commit 43c7fc093a5b9a2d192e75e6b1b69328cdfb4c26 Author: DBotThePony Date: Sat Feb 3 15:30:56 2024 +0700 Initial commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..b63da45 --- /dev/null +++ b/.gitignore @@ -0,0 +1,42 @@ +.gradle +build/ +!gradle/wrapper/gradle-wrapper.jar +!**/src/main/**/build/ +!**/src/test/**/build/ + +### IntelliJ IDEA ### +.idea/modules.xml +.idea/jarRepositories.xml +.idea/compiler.xml +.idea/libraries/ +*.iws +*.iml +*.ipr +out/ +!**/src/main/**/out/ +!**/src/test/**/out/ + +### Eclipse ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache +bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ + +### VS Code ### +.vscode/ + +### Mac OS ### +.DS_Store \ No newline at end of file diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..26d3352 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,3 @@ +# Default ignored files +/shelf/ +/workspace.xml diff --git a/.idea/gradle.xml b/.idea/gradle.xml new file mode 100644 index 0000000..a7f8d22 --- /dev/null +++ b/.idea/gradle.xml @@ -0,0 +1,23 @@ + + + + + + \ No newline at end of file diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml new file mode 100644 index 0000000..2b8a50f --- /dev/null +++ b/.idea/kotlinc.xml @@ -0,0 +1,6 @@ + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..43b1638 --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,7 @@ + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..94a25f7 --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/build.gradle.kts b/build.gradle.kts new file mode 100644 index 0000000..ce235ca --- /dev/null +++ b/build.gradle.kts @@ -0,0 +1,46 @@ + +plugins { + kotlin("jvm") version "1.8.0" + `maven-publish` +} + +repositories { + mavenCentral() +} + +tasks.compileKotlin { + kotlinOptions { + jvmTarget = "17" + freeCompilerArgs += "-opt-in=kotlin.RequiresOptIn" + freeCompilerArgs += "-Xjvm-default=all" + } +} + +tasks.jar { + from(project(":core").sourceSets.main.get().output) + from(project(":io").sourceSets.main.get().output) + from(project(":io-math").sourceSets.main.get().output) + from(project(":math").sourceSets.main.get().output) + from(project(":collect").sourceSets.main.get().output) + from(project(":guava").sourceSets.main.get().output) + from(project(":networking").sourceSets.main.get().output) +} + +subprojects { + apply(plugin = "maven-publish") + + publishing { + repositories { + maven { + url = uri("sftp://maven@dbotthepony.ru:22/maven") + + credentials { + val mavenUser: String by project + val mavenPassword: String by project + username = mavenUser + password = mavenPassword + } + } + } + } +} diff --git a/collect/build.gradle.kts b/collect/build.gradle.kts new file mode 100644 index 0000000..2aa93e5 --- /dev/null +++ b/collect/build.gradle.kts @@ -0,0 +1,40 @@ +plugins { + kotlin("jvm") + `maven-publish` +} + +val collectVersion: String by project +val projectGroup: String by project + +group = projectGroup +version = collectVersion + +repositories { + mavenCentral() +} + +dependencies { + testImplementation("org.jetbrains.kotlin:kotlin-test") +} + +tasks.test { + useJUnitPlatform() +} + +kotlin { + jvmToolchain(17) +} + +publishing { + publications { + create("mavenJava") { + from(components["java"]) + + pom { + dependencies { + implementation(kotlin("stdlib")) + } + } + } + } +} diff --git a/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/CollectionUtils.kt b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/CollectionUtils.kt new file mode 100644 index 0000000..649ce25 --- /dev/null +++ b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/CollectionUtils.kt @@ -0,0 +1,149 @@ +package ru.dbotthepony.kommons.collect + +import java.lang.ref.Reference +import java.util.* +import java.util.stream.Stream +import java.util.stream.StreamSupport + +fun Array.stream(): Stream = Arrays.stream(this) + +@Suppress("unchecked_cast") +fun Stream.filterNotNull(): Stream { + return filter { it != null } as Stream +} + +@Suppress("unchecked_cast") +inline fun Stream<*>.filterIsInstance(): Stream { + return filter { it is T } as Stream +} + +inline fun MutableList>.forValidRefs(fn: (T) -> Unit) { + val iterator = listIterator() + + for (value in iterator) { + val get = value.get() + + if (get == null) { + iterator.remove() + } else { + fn.invoke(get) + } + } +} + +inline fun MutableList>.forValidRefsBreak(fn: (T) -> Boolean) { + val iterator = listIterator() + + for (value in iterator) { + val get = value.get() + + if (get == null) { + iterator.remove() + } else { + if (fn.invoke(get)) { + break + } + } + } +} + +fun Stream.asIterable(): Iterable { + return object : Iterable { + override fun iterator(): Iterator { + return this@asIterable.iterator() + } + } +} + +/** + * Returns applicable index to put [element] into [List] determined by [comparator], optionally specifying ranges as [fromIndex] and [toIndex] + * + * If [List] is not sorted, result of this function is undefined + */ +fun List.searchInsertionIndex(element: E, comparator: Comparator, fromIndex: Int = 0, toIndex: Int = size): Int { + require(toIndex >= fromIndex) { "Invalid range: to $toIndex >= from $fromIndex" } + require(fromIndex >= 0) { "Invalid from index: $fromIndex" } + require(toIndex >= 0) { "Invalid to index: $toIndex" } + require(fromIndex <= size) { "Invalid from index: $fromIndex (list size $size)" } + require(toIndex <= size) { "Invalid to index: $toIndex (list size $size)" } + + if (fromIndex == size || fromIndex == toIndex || comparator.compare(element, this[fromIndex]) <= 0) { + return fromIndex + } + + // линейный поиск если границы маленькие + if (toIndex - fromIndex <= 10) { + for (i in fromIndex + 1 until toIndex) { + val compare = comparator.compare(element, this[i]) + + if (compare <= 0) { + return i + } + } + + return size + } else { + // двоичный поиск + var lower = fromIndex + var upper = toIndex - 1 + + while (upper - lower >= 10) { + val middle = (upper + lower) / 2 + val compare = comparator.compare(element, this[middle]) + + if (compare == 0) { + return middle + } else if (compare < 0) { + upper = middle + } else { + lower = middle + } + } + + return searchInsertionIndex(element, comparator, lower, upper + 1) + } +} + +/** + * Inserts [element] into [MutableList] at index determined by [comparator] + * + * If [MutableList] is not sorted, result of this function is undefined + */ +fun MutableList.addSorted(element: E, comparator: Comparator) { + add(searchInsertionIndex(element, comparator), element) +} + +private object NaturalComparator : Comparator> { + override fun compare(o1: Comparable, o2: Comparable): Int { + return o1.compareTo(o2) + } +} + +/** + * Inserts [element] into [MutableList] at index determined by comparing values themselves + * + * If [MutableList] is not sorted, result of this function is undefined + */ +fun > MutableList.addSorted(element: E) { + add(searchInsertionIndex(element, NaturalComparator as Comparator), element) +} + +fun MutableCollection.addAll(elements: Iterator) { + for (item in elements) { + add(item) + } +} + +fun MutableCollection.addAll(elements: Stream) { + for (item in elements) { + add(item) + } +} + +fun Iterable.stream(): Stream { + return StreamSupport.stream(this.spliterator(), false) +} + +fun Iterator.stream(): Stream { + return StreamSupport.stream(Spliterators.spliteratorUnknownSize(this, 0), false) +} diff --git a/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/ConditionalEnumSet.kt b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/ConditionalEnumSet.kt new file mode 100644 index 0000000..34a7394 --- /dev/null +++ b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/ConditionalEnumSet.kt @@ -0,0 +1,41 @@ +package ru.dbotthepony.kommons.collect + +import java.util.EnumMap +import java.util.function.BooleanSupplier +import java.util.stream.Stream + +class ConditionalEnumSet>private constructor(private val backing: EnumMap, marker: Unit) : Set { + constructor(clazz: Class) : this(EnumMap(clazz), Unit) + constructor(map: Map) : this(EnumMap(map), Unit) + + override val size: Int + get() = backing.values.stream().filter { it.asBoolean }.count().toInt() + + override fun contains(element: T): Boolean { + return backing[element]?.asBoolean ?: false + } + + override fun containsAll(elements: Collection): Boolean { + return elements.all { contains(it) } + } + + override fun isEmpty(): Boolean { + return backing.isEmpty() || backing.values.none { it.asBoolean } + } + + override fun stream(): Stream { + return backing.entries.stream().filter { it.value.asBoolean }.map { it.key } + } + + override fun iterator(): Iterator { + return backing.entries.iterator().filter { it.value.asBoolean }.map { it.key } + } + + fun add(value: T, condition: BooleanSupplier) { + backing[value] = condition + } + + fun remove(value: T): Boolean { + return backing.remove(value) != null + } +} diff --git a/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/ConditionalSet.kt b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/ConditionalSet.kt new file mode 100644 index 0000000..208d074 --- /dev/null +++ b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/ConditionalSet.kt @@ -0,0 +1,89 @@ +package ru.dbotthepony.kommons.collect + +import java.util.function.BooleanSupplier +import java.util.stream.Stream + +/** + * Set, with values appearing and disappearing by conditions + */ +class ConditionalSet : Set { + private class Entry(val value: E, var condition: BooleanSupplier) + private val backing = ArrayList>() + private val mapped = HashMap>() + + override val size: Int + get() = backing.stream().filter { it.condition.asBoolean }.count().toInt() + + override fun contains(element: E): Boolean { + return mapped[element]?.condition?.asBoolean ?: false + } + + override fun containsAll(elements: Collection): Boolean { + return elements.all { contains(it) } + } + + override fun isEmpty(): Boolean { + return mapped.isEmpty() || mapped.values.stream().noneMatch { it.condition.asBoolean } + } + + override fun stream(): Stream { + return backing.stream().filter { it.condition.asBoolean }.map { it.value } + } + + override fun iterator(): Iterator { + return backing.iterator().filter { it.condition.asBoolean }.map { it.value } + } + + fun actuallyContains(element: E): Boolean { + return element in mapped + } + + fun add(element: E, condition: BooleanSupplier): Boolean { + if (element in mapped) return false + val entry = Entry(element, condition) + mapped[element] = entry + backing.add(entry) + return true + } + + fun addFirst(element: E, condition: BooleanSupplier): Boolean { + if (element in mapped) return false + val entry = Entry(element, condition) + mapped[element] = entry + backing.add(0, entry) + return true + } + + fun replace(element: E, condition: BooleanSupplier) { + val entry = mapped[element] + + if (entry != null) { + entry.condition = condition + } else { + add(element, condition) + } + } + + fun replaceFirst(element: E, condition: BooleanSupplier) { + val entry = mapped[element] + + if (entry != null) { + entry.condition = condition + backing.remove(entry) + backing.add(0, entry) + } else { + addFirst(element, condition) + } + } + + fun remove(element: E): Boolean { + val entry = mapped.remove(element) + + if (entry != null) { + backing.remove(entry) + return true + } + + return false + } +} diff --git a/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/ConditionalSupplierSet.kt b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/ConditionalSupplierSet.kt new file mode 100644 index 0000000..eb06e4d --- /dev/null +++ b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/ConditionalSupplierSet.kt @@ -0,0 +1,62 @@ +package ru.dbotthepony.kommons.collect + +class ConditionalSupplierSet : AbstractSet { + // method without boxing + fun interface Condition { + fun check(): Boolean + } + + private val getters: Array T>> + + constructor(vararg getters: Pair T>) : super() { + this.getters = Array(getters.size) { getters[it] } + } + + constructor(getters: List T>>) : super() { + this.getters = Array(getters.size) { getters[it] } + } + + override val size: Int get() { + var i = 0 + + for (pair in getters) { + if (pair.first.check()) { + i++ + } + } + + return i + } + + override fun iterator(): Iterator { + return object : Iterator { + val parent = getters.iterator() + private var pair: Pair T>? = null + + private fun search() { + for (pair in parent) { + if (pair.first.check()) { + this.pair = pair + return + } + } + + this.pair = null + } + + init { + search() + } + + override fun hasNext(): Boolean { + return pair != null + } + + override fun next(): T { + val pair = pair ?: throw NoSuchElementException() + search() + return pair.second.invoke() + } + } + } +} diff --git a/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/ProxiedMap.kt b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/ProxiedMap.kt new file mode 100644 index 0000000..e2f4fc2 --- /dev/null +++ b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/ProxiedMap.kt @@ -0,0 +1,315 @@ +package ru.dbotthepony.kommons.collect + +abstract class ProxiedMap(protected val backingMap: MutableMap = HashMap()) : MutableMap { + protected abstract fun onClear() + protected abstract fun onValueAdded(key: K, value: V) + protected abstract fun onValueRemoved(key: K, value: V) + + final override val size: Int + get() = backingMap.size + + final override fun containsKey(key: K): Boolean { + return backingMap.containsKey(key) + } + + final override fun containsValue(value: V): Boolean { + return backingMap.containsValue(value) + } + + final override fun get(key: K): V? { + return backingMap[key] + } + + final override fun isEmpty(): Boolean { + return backingMap.isEmpty() + } + + final override val entries: MutableSet> by lazy { + object : MutableSet> { + override fun add(element: MutableMap.MutableEntry): Boolean { + this@ProxiedMap[element.key] = element.value + return true + } + + override fun addAll(elements: Collection>): Boolean { + for (value in elements) { + add(value) + } + + return true + } + + override fun clear() { + this@ProxiedMap.clear() + } + + private val setParent = this@ProxiedMap.backingMap.entries + + override fun iterator(): MutableIterator> { + return object : MutableIterator> { + private val parent = setParent.iterator() + private var last: MutableMap.MutableEntry? = null + + override fun hasNext(): Boolean { + return parent.hasNext() + } + + override fun next(): MutableMap.MutableEntry { + return parent.next().also { last = it } + } + + override fun remove() { + val last = last ?: throw IllegalStateException("Never called next()") + parent.remove() + onValueRemoved(last.key, last.value) + } + } + } + + override fun remove(element: MutableMap.MutableEntry): Boolean { + if (setParent.remove(element)) { + onValueRemoved(element.key, element.value) + return true + } + + return false + } + + override fun removeAll(elements: Collection>): Boolean { + var any = false + + for (element in elements) { + any = remove(element) || any + } + + return any + } + + override fun retainAll(elements: Collection>): Boolean { + val iterator = this.iterator() + var any = false + + for (value in iterator) { + if (value !in elements) { + iterator.remove() + any = true + } + } + + return any + } + + override val size: Int + get() = setParent.size + + override fun contains(element: MutableMap.MutableEntry): Boolean { + return setParent.contains(element) + } + + override fun containsAll(elements: Collection>): Boolean { + return setParent.containsAll(elements) + } + + override fun isEmpty(): Boolean { + return setParent.isEmpty() + } + } + } + + final override val keys: MutableSet by lazy { + object : MutableSet { + val parent = this@ProxiedMap.backingMap.keys + + override fun add(element: K): Boolean { + throw UnsupportedOperationException() + } + + override fun addAll(elements: Collection): Boolean { + throw UnsupportedOperationException() + } + + override fun clear() { + this@ProxiedMap.clear() + } + + override fun iterator(): MutableIterator { + return object : MutableIterator { + private val parentIterator = parent.iterator() + private var last: K? = null + + override fun hasNext(): Boolean { + return parentIterator.hasNext() + } + + override fun next(): K { + return parentIterator.next().also { last = it } + } + + override fun remove() { + val last = last ?: throw IllegalStateException("Never called next()") + val value = this@ProxiedMap[last] ?: throw ConcurrentModificationException() + parentIterator.remove() + onValueRemoved(last, value) + } + } + } + + override fun remove(element: K): Boolean { + return this@ProxiedMap.remove(element) != null + } + + override fun removeAll(elements: Collection): Boolean { + var changes = false + + for (element in elements) { + changes = remove(element) || changes + } + + return changes + } + + override fun retainAll(elements: Collection): Boolean { + val iterator = this.iterator() + var any = false + + for (element in iterator) { + if (element !in elements) { + iterator.remove() + any = true + } + } + + return any + } + + override val size: Int + get() = parent.size + + override fun contains(element: K): Boolean { + return parent.contains(element) + } + + override fun containsAll(elements: Collection): Boolean { + return parent.containsAll(elements) + } + + override fun isEmpty(): Boolean { + return parent.isEmpty() + } + } + } + + final override val values: MutableCollection by lazy { + object : MutableCollection { + private val parent = this@ProxiedMap.backingMap.values + + override val size: Int + get() = parent.size + + override fun contains(element: V): Boolean { + return parent.contains(element) + } + + override fun containsAll(elements: Collection): Boolean { + return parent.containsAll(elements) + } + + override fun isEmpty(): Boolean { + return parent.isEmpty() + } + + override fun add(element: V): Boolean { + throw UnsupportedOperationException() + } + + override fun addAll(elements: Collection): Boolean { + throw UnsupportedOperationException() + } + + override fun clear() { + this@ProxiedMap.clear() + } + + override fun iterator(): MutableIterator { + return object : MutableIterator { + private val parentIterator = parent.iterator() + + override fun hasNext(): Boolean { + return parentIterator.hasNext() + } + + override fun next(): V { + return parentIterator.next() + } + + override fun remove() { + parentIterator.remove() + } + } + } + + override fun remove(element: V): Boolean { + val indexOf = this@ProxiedMap.backingMap.firstNotNullOfOrNull { if (it.value == element) it.key else null } ?: return false + this@ProxiedMap.remove(indexOf) + return true + } + + override fun removeAll(elements: Collection): Boolean { + var changes = false + + for (element in elements) { + changes = remove(element) || changes + } + + return changes + } + + override fun retainAll(elements: Collection): Boolean { + val iterator = this.iterator() + var changes = false + + for (element in iterator) { + if (element !in elements) { + iterator.remove() + changes = true + } + } + + return changes + } + } + } + + override fun clear() { + onClear() + return backingMap.clear() + } + + override fun put(key: K, value: V): V? { + val existing = backingMap.put(key, value) + + if (existing == value) { + return existing + } + + onValueAdded(key, value) + return existing + } + + final override fun putAll(from: Map) { + for ((k, v) in from) { + this[k] = v + } + } + + override fun remove(key: K): V? { + val removed = backingMap.remove(key) + + if (removed != null) { + onValueRemoved(key, removed) + } + + return removed + } +} + diff --git a/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/StreamyIterators.kt b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/StreamyIterators.kt new file mode 100644 index 0000000..52ce11f --- /dev/null +++ b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/StreamyIterators.kt @@ -0,0 +1,421 @@ +package ru.dbotthepony.kommons.collect + +import java.util.* +import java.util.function.Predicate +import java.util.stream.Collector +import java.util.stream.Stream +import java.util.stream.StreamSupport + +// Purpose of Stream API over Iterators is that it is simple enough for JIT to inline most of it, +// unlike actual Streams. + +// We lose only one (actual) element of Stream API here: ability to parallelize work, +// except it doesn't (properly) work in Minecraft (Forge) either, due to classloader bug: +// https://github.com/MinecraftForge/EventBus/issues/44 + +// Aside parallel work, unimplemented Stream API elements can be easily implemented when required + +private class FilteringIterator(private val parent: Iterator, private val predicate: Predicate, private var value: T) : MutableIterator { + private var hasValue = true + private var returned = false + + override fun hasNext(): Boolean { + return hasValue + } + + override fun next(): T { + if (!hasValue) throw NoSuchElementException() + hasValue = false + returned = true + + val value = this.value + + while (parent.hasNext()) { + val next = parent.next() + + if (predicate.test(next)) { + hasValue = true + this.value = next + break + } + } + + return value + } + + override fun remove() { + if (!returned) throw NoSuchElementException() + returned = false + (parent as MutableIterator).remove() + } +} + +private class MappingIterator(private val parent: Iterator, private val mapper: (T) -> R) : MutableIterator { + override fun hasNext(): Boolean { + return parent.hasNext() + } + + override fun next(): R { + return mapper.invoke(parent.next()) + } + + override fun remove() { + (parent as MutableIterator).remove() + } +} + +private class FlatMappingIterator(private val parent: Iterator, private val mapper: (T) -> Iterator) : MutableIterator { + private var current: Iterator = mapper.invoke(parent.next()) + private var last: Iterator? = null + + init { + while (!current.hasNext() && parent.hasNext()) { + current = mapper.invoke(parent.next()) + } + } + + override fun hasNext(): Boolean { + return current.hasNext() + } + + override fun next(): R { + if (!current.hasNext()) + throw NoSuchElementException() + + val v = current.next() + last = current + + while (!current.hasNext() && parent.hasNext()) { + current = mapper.invoke(parent.next()) + } + + return v + } + + override fun remove() { + (last as MutableIterator? ?: throw NoSuchElementException()).remove() + last = null + } +} + +private class LimitingIterator(private val parent: Iterator, private val limit: Long) : Iterator { + init { + require(limit > 0) { "Invalid limit $limit" } + } + + private var found = 0L + + override fun hasNext(): Boolean { + return found < limit && parent.hasNext() + } + + override fun next(): T { + if (found >= limit) + throw NoSuchElementException() + + return parent.next() + } +} + +private class SkippingIterator(private val parent: Iterator, skip: Long) : MutableIterator { + init { + require(skip >= 0) { "Invalid skip amount $skip" } + } + + private var found = skip + private var returned = false + + override fun hasNext(): Boolean { + while (parent.hasNext() && found > 0L) { + found-- + parent.next() + } + + return parent.hasNext() + } + + override fun next(): T { + if (!hasNext()) + throw NoSuchElementException() + + val v = parent.next() + returned = true + return v + } + + override fun remove() { + if (!returned) { + throw NoSuchElementException() + } + + returned = false + (parent as MutableIterator).remove() + } +} + +fun concatIterators(): MutableIterator { + return listOf().iterator() as MutableIterator +} + +fun concatIterators(a: Iterator): MutableIterator { + return a as MutableIterator +} + +fun concatIterators(iterators: Iterable>): MutableIterator { + return iterators.iterator().flatMap { it } +} + +fun concatIterators(vararg iterators: Iterator): MutableIterator { + return iterators.iterator().flatMap { it } +} + +/** + * Filters elements of [this] iterator + * + * Resulting [Iterator] is [MutableIterator] if [this] is + */ +fun Iterator.filter(condition: Predicate): MutableIterator { + while (hasNext()) { + val v = next() + + if (condition.test(v)) { + return FilteringIterator(this, condition, v) + } + } + + return emptyIterator() +} + +/** + * Maps elements of [this] iterator from values of [T] to [R] using function [mapper] + * + * Resulting [Iterator] is [MutableIterator] if [this] is + */ +fun Iterator.map(mapper: (T) -> R): MutableIterator { + if (!hasNext()) { + return emptyIterator() + } + + return MappingIterator(this, mapper) +} + +/** + * Maps elements of [this] iterator from type [T] to other iterators of type [R] using function [mapper] + * + * Resulting [Iterator] is [MutableIterator] if [this] is + */ +fun Iterator.flatMap(mapper: (T) -> Iterator): MutableIterator { + if (!hasNext()) { + return emptyIterator() + } + + return FlatMappingIterator(this, mapper) +} + +inline fun Iterator.reduce(identity: T, reducer: (T, T) -> T): T { + var result = identity + while (hasNext()) result = reducer.invoke(result, next()) + return result +} + +fun Iterator.filterNotNull(): MutableIterator = filter { it != null } as MutableIterator + +inline fun Iterator<*>.filterIsInstance(): MutableIterator = filter { it is T } as MutableIterator + +fun Iterator.any(predicate: Predicate): Boolean { + while (hasNext()) + if (predicate.test(next())) + return true + + return false +} + +inline fun Iterator.any(predicate: (T) -> Boolean): Boolean { + while (hasNext()) + if (predicate.invoke(next())) + return true + + return false +} + +fun Iterator.all(predicate: Predicate): Boolean { + while (hasNext()) + if (!predicate.test(next())) + return false + + return true +} + +inline fun Iterator.all(predicate: (T) -> Boolean): Boolean { + while (hasNext()) + if (!predicate.invoke(next())) + return false + + return true +} + +fun Iterator.none(predicate: Predicate): Boolean { + while (hasNext()) + if (predicate.test(next())) + return false + + return true +} + +inline fun Iterator.none(predicate: (T) -> Boolean): Boolean { + while (hasNext()) + if (predicate.invoke(next())) + return false + + return true +} + +fun Iterator.collect(collector: Collector): R { + val accumulator = collector.accumulator() + val instance = collector.supplier().get() + + for (value in this) { + accumulator.accept(instance, value) + } + + return collector.finisher().apply(instance) +} + +fun Iterator.toList(expectedSize: Int = 16): MutableList { + val result = ArrayList(expectedSize) + result.addAll(this) + return result +} + +fun Iterator.toImmutableList(expectedSize: Int = 16): List { + if (!hasNext()) + return emptyList() + + return toList(expectedSize) +} + +fun Iterator.find(): Optional { + if (hasNext()) { + return Optional.of(next()) + } + + return Optional.empty() +} + +fun Iterator.limit(limit: Long): Iterator = LimitingIterator(this, limit) +fun Iterator.skip(skip: Long): Iterator = if (skip == 0L) this else SkippingIterator(this, skip) + +inline fun Iterator.forEach(action: (T) -> Unit) { + for (value in this) { + action.invoke(value) + } +} + +fun Iterator.min(comparator: Comparator): Optional { + if (!hasNext()) { + return Optional.empty() + } + + var min = next() + + for (value in this) { + if (comparator.compare(min, value) > 0) { + min = value + } + } + + return Optional.of(min) +} + +fun Iterator.max(comparator: Comparator): Optional { + if (!hasNext()) { + return Optional.empty() + } + + var max = next() + + for (value in this) { + if (comparator.compare(max, value) < 0) { + max = value + } + } + + return Optional.of(max) +} + +fun Iterator.peek(peeker: (T) -> Unit): MutableIterator { + return object : MutableIterator { + override fun hasNext(): Boolean { + return this@peek.hasNext() + } + + override fun next(): T { + return this@peek.next().also(peeker) + } + + override fun remove() { + (this@peek as MutableIterator).remove() + } + } +} + +fun Iterator.maybe(): T? { + return if (hasNext()) + next() + else + null +} + +fun emptyIterator(): MutableIterator { + return emptyList().iterator() as MutableIterator +} + +fun iteratorOf(value: T): Iterator { + return object : Iterator { + private var next = true + private var v: T? = value + + override fun hasNext(): Boolean { + return next + } + + override fun next(): T { + if (!next) + throw NoSuchElementException() + + val v = v + this.v = null + return v as T + } + } +} + +fun iteratorOf(vararg value: T): Iterator { + return value.iterator() +} + +fun Iterator.toStream(): Stream { + return StreamSupport.stream(Spliterators.spliteratorUnknownSize(this, 0), false) +} + +fun Iterator.allEqual(): Boolean { + if (hasNext()) { + val v = next() + + while (hasNext()) { + if (v != next()) { + return false + } + } + + return true + } + + return false +} + +fun Iterator.count(): Long { + var count = 0L + while (hasNext()) count++ + return count +} diff --git a/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/SupplierList.kt b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/SupplierList.kt new file mode 100644 index 0000000..9f98b2e --- /dev/null +++ b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/SupplierList.kt @@ -0,0 +1,43 @@ +package ru.dbotthepony.kommons.collect + +import java.util.concurrent.Future +import java.util.function.Supplier +import java.util.stream.Stream + +class SupplierList : AbstractList { + private val getters: Array> + + constructor(getters: Collection>) : super() { + val iterator = getters.iterator() + this.getters = Array(getters.size) { iterator.next() } + } + + constructor(getters: Stream>) : super() { + this.getters = getters.toArray { arrayOfNulls>(it) } + } + + constructor(vararg getters: Supplier) : super() { + this.getters = Array(getters.size) { getters[it] } + } + + constructor(size: Int, provider: (Int) -> Supplier) { + this.getters = Array(size, provider) + } + + override val size: Int + get() = getters.size + + override fun get(index: Int): T { + return getters[index].get() + } + + companion object { + fun ofLazy(vararg values: Lazy): SupplierList { + return SupplierList(values.stream().map { Supplier { it.value } }) + } + + fun ofFuture(vararg values: Future): SupplierList { + return SupplierList(values.stream().map { Supplier { it.get() } }) + } + } +} diff --git a/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/SupplierMap.kt b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/SupplierMap.kt new file mode 100644 index 0000000..29944b8 --- /dev/null +++ b/collect/src/main/kotlin/ru/dbotthepony/kommons/collect/SupplierMap.kt @@ -0,0 +1,55 @@ +package ru.dbotthepony.kommons.collect + +import java.util.Collections +import java.util.function.Supplier +import java.util.stream.Stream + +class SupplierMap(values: Stream>>) : Map { + private val backing = HashMap>() + override val entries: Set> + + override val keys: Set + get() = backing.keys + + override val size: Int + get() = entries.size + + override val values: Collection + + init { + values.forEach { + backing[it.first] = it.second + } + + entries = Collections.unmodifiableSet(HashSet(backing.entries.map { Entry(it.key, it.value) })) + this.values = SupplierList(backing.values) + } + + override fun containsKey(key: K): Boolean { + return key in keys + } + + override fun containsValue(value: T): Boolean { + return value in values + } + + override fun get(key: K): T? { + return backing[key]?.get() + } + + override fun isEmpty(): Boolean { + return entries.isEmpty() + } + + constructor(vararg mValues: Pair>) : this((mValues as Array>>).stream()) + constructor(mValues: Collection>>) : this(mValues.stream()) + constructor(mValues: Map>) : this(mValues.entries.stream().map { it.key to it.value }) + + private inner class Entry( + override val key: K, + val getter: Supplier + ) : Map.Entry { + override val value: T + get() = getter.get() + } +} diff --git a/core/build.gradle.kts b/core/build.gradle.kts new file mode 100644 index 0000000..676208e --- /dev/null +++ b/core/build.gradle.kts @@ -0,0 +1,41 @@ + +plugins { + kotlin("jvm") + `maven-publish` +} + +val coreVersion: String by project +val projectGroup: String by project + +group = projectGroup +version = coreVersion + +repositories { + mavenCentral() +} + +dependencies { + testImplementation("org.jetbrains.kotlin:kotlin-test") +} + +tasks.test { + useJUnitPlatform() +} + +kotlin { + jvmToolchain(17) +} + +publishing { + publications { + create("mavenJava") { + from(components["java"]) + + pom { + dependencies { + implementation(kotlin("stdlib")) + } + } + } + } +} diff --git a/core/src/main/kotlin/ru/dbotthepony/kommons/core/GetterSetter.kt b/core/src/main/kotlin/ru/dbotthepony/kommons/core/GetterSetter.kt new file mode 100644 index 0000000..ebf43ae --- /dev/null +++ b/core/src/main/kotlin/ru/dbotthepony/kommons/core/GetterSetter.kt @@ -0,0 +1,149 @@ +package ru.dbotthepony.kommons.core + +import ru.dbotthepony.kommons.event.ISubscriptable +import java.util.function.Consumer +import java.util.function.Supplier +import kotlin.properties.ReadWriteProperty +import kotlin.reflect.KMutableProperty0 +import kotlin.reflect.KProperty + +inline var GetterSetter.value: V + get() = get() + set(value) { accept(value) } + +interface GetterSetter : Supplier, Consumer, ReadWriteProperty { + override fun setValue(thisRef: Any?, property: KProperty<*>, value: V) { + accept(value) + } + + override fun getValue(thisRef: Any?, property: KProperty<*>): V { + return get() + } + + operator fun invoke(): V { + return get() + } + + operator fun invoke(value: V) { + accept(value) + } + + fun asGetterOnly(): GetterSetter { + val self = this + + return object : GetterSetter { + override fun get(): V { + return self.get() + } + + override fun accept(t: V) { + } + } + } + + fun watch(watch: (old: V, new: V) -> Unit): GetterSetter { + val self = this + + return object : GetterSetter by self { + override fun accept(t: V) { + val old = get() + self.accept(t) + watch.invoke(old, t) + } + } + } + + companion object { + fun of(getter: Supplier, setter: Consumer): GetterSetter { + return object : GetterSetter { + override fun get(): V { + return getter.get() + } + + override fun accept(t: V) { + setter.accept(t) + } + } + } + + fun of(getter: () -> V, setter: (V) -> Unit): GetterSetter { + return object : GetterSetter { + override fun get(): V { + return getter.invoke() + } + + override fun accept(t: V) { + setter.invoke(t) + } + } + } + + fun of(property: KMutableProperty0): GetterSetter { + return object : GetterSetter { + override fun get(): V { + return property.get() + } + + override fun accept(t: V) { + property.set(t) + } + } + } + + fun box(value: V): SentientGetterSetter { + return object : SentientGetterSetter { + private val subs = ISubscriptable.Impl() + + override fun addListener(listener: Consumer): ISubscriptable.L { + return subs.addListener(listener) + } + + private var value = value + + override fun get(): V { + return value + } + + override fun accept(t: V) { + this.value = t + subs.accept(t) + } + } + } + } +} + +interface SentientGetterSetter : GetterSetter, ISubscriptable { + override fun watch(watch: (old: V, new: V) -> Unit): SentientGetterSetter { + val self = this + + return object : SentientGetterSetter by self { + override fun accept(t: V) { + val old = get() + self.accept(t) + watch.invoke(old, t) + } + } + } + +} + +operator fun Supplier.getValue(thisRef: Any?, property: KProperty<*>): T { + return get() +} + +operator fun Consumer.setValue(thisRef: Any?, property: KProperty<*>, value: T) { + accept(value) +} + +fun KMutableProperty0.asGetterSetter(watch: ((old: V, new: V) -> Unit)? = null): GetterSetter { + return GetterSetter.of(this).let { + if (watch != null) { + it.watch(watch) + } else { + it + } + } +} + +fun KMutableProperty0.asGetterOnly() = GetterSetter.of(Supplier { this.get() }, Consumer { /* do nothing */ }) diff --git a/core/src/main/kotlin/ru/dbotthepony/kommons/core/KOptional.kt b/core/src/main/kotlin/ru/dbotthepony/kommons/core/KOptional.kt new file mode 100644 index 0000000..953d441 --- /dev/null +++ b/core/src/main/kotlin/ru/dbotthepony/kommons/core/KOptional.kt @@ -0,0 +1,152 @@ +package ru.dbotthepony.kommons.core + +import java.util.function.Supplier + +fun KOptional(value: T) = KOptional.of(value) +fun KOptional(value: Boolean) = KOptional.of(value) +fun KOptional(value: Boolean?) = KOptional.of(value) + +/** + * [java.util.Optional] supporting nulls + * + * This is done for structures, where value can be absent, + * or can be present, including literal "null" as possible present value, + * in more elegant solution than handling nullable Optionals + */ +class KOptional private constructor(private val _value: T, val isPresent: Boolean) : Supplier { + /** + * @throws NoSuchElementException + */ + val value: T get() { + if (isPresent) { + return _value + } + + throw NoSuchElementException("No value is present") + } + + inline fun ifPresent(block: (T) -> Unit): KOptional { + if (isPresent) { + block.invoke(value) + } + + return this + } + + inline fun ifNotPresent(block: () -> Unit): KOptional { + if (!isPresent) { + block.invoke() + } + + return this + } + + inline fun map(block: (T) -> R): KOptional { + if (isPresent) { + return of(block.invoke(value)) + } else { + return empty() + } + } + + @Suppress("NOTHING_TO_INLINE") + inline fun orElse(value: T): T { + if (isPresent) { + return this.value + } else { + return value + } + } + + inline fun orElse(value: () -> T): T { + if (isPresent) { + return this.value + } else { + return value.invoke() + } + } + + infix fun or(value: KOptional): KOptional { + if (isPresent) { + return this + } else { + return value + } + } + + override fun equals(other: Any?): Boolean { + return this === other || other is KOptional<*> && isPresent == other.isPresent && _value == other._value + } + + override fun hashCode(): Int { + return _value.hashCode() + 43839429 + } + + override fun toString(): String { + if (isPresent) { + return "KOptional[value = $value]" + } else { + return "KOptional[empty]" + } + } + + override fun get(): T { + return value + } + + // gson hack since type token can't diff between nullable and non-null types + @Deprecated("internal class") + internal class Nullable private constructor() + @Deprecated("internal class") + internal class NotNull private constructor() + + companion object { + private val EMPTY = KOptional(null, false) + private val NULL = KOptional(null, true) + private val TRUE = KOptional(true, true) + private val FALSE = KOptional(false, true) + + @JvmStatic + fun empty(): KOptional { + return EMPTY as KOptional + } + + @JvmStatic + fun of(value: T): KOptional { + if (value == null) { + return NULL as KOptional + } else { + return KOptional(value, true) + } + } + + @JvmStatic + fun ofNullable(value: T): KOptional { + if (value == null) { + return EMPTY as KOptional + } else { + return KOptional(value, true) + } + } + + @JvmStatic + fun of(value: Boolean): KOptional { + if (value) { + return TRUE + } else { + return FALSE + } + } + + @JvmStatic + fun of(value: Boolean?): KOptional { + if (value == null) { + return NULL as KOptional + } else if (value) { + return TRUE + } else { + return FALSE + } + } + } +} diff --git a/core/src/main/kotlin/ru/dbotthepony/kommons/event/IBooleanSubscriptable.kt b/core/src/main/kotlin/ru/dbotthepony/kommons/event/IBooleanSubscriptable.kt new file mode 100644 index 0000000..dc817fb --- /dev/null +++ b/core/src/main/kotlin/ru/dbotthepony/kommons/event/IBooleanSubscriptable.kt @@ -0,0 +1,43 @@ +package ru.dbotthepony.kommons.event + +import ru.dbotthepony.kommons.util.BooleanConsumer +import java.util.function.Consumer + +interface IBooleanSubscriptable : ISubscriptable { + @Deprecated("Use type specific listener") + override fun addListener(listener: Consumer): ISubscriptable.L { + return addListener(listener::accept) + } + + fun addListener(listener: BooleanConsumer): ISubscriptable.L + + class Impl : IBooleanSubscriptable, Consumer, BooleanConsumer { + private inner class L(val callback: BooleanConsumer) : ISubscriptable.L { + private var isRemoved = false + + init { + subscribers.add(this) + } + + override fun remove() { + if (!isRemoved) { + isRemoved = true + queue.add(this) + } + } + } + + private val subscribers = LinkedHashSet(0) + private val queue = ArrayList(0) + + override fun addListener(listener: BooleanConsumer): ISubscriptable.L { + return L(listener) + } + + override fun accept(t: Boolean) { + queue.forEach { subscribers.remove(it) } + queue.clear() + subscribers.forEach { it.callback.accept(t) } + } + } +} \ No newline at end of file diff --git a/core/src/main/kotlin/ru/dbotthepony/kommons/event/IDoubleSubcripable.kt b/core/src/main/kotlin/ru/dbotthepony/kommons/event/IDoubleSubcripable.kt new file mode 100644 index 0000000..15c0a46 --- /dev/null +++ b/core/src/main/kotlin/ru/dbotthepony/kommons/event/IDoubleSubcripable.kt @@ -0,0 +1,43 @@ +package ru.dbotthepony.kommons.event + +import java.util.function.Consumer +import java.util.function.DoubleConsumer + +interface IDoubleSubcripable : ISubscriptable { + @Deprecated("Use type specific listener") + override fun addListener(listener: Consumer): ISubscriptable.L { + return addListener(DoubleConsumer { listener.accept(it) }) + } + + fun addListener(listener: DoubleConsumer): ISubscriptable.L + + class Impl : IDoubleSubcripable, Consumer, DoubleConsumer { + private inner class L(val callback: DoubleConsumer) : ISubscriptable.L { + private var isRemoved = false + + init { + subscribers.add(this) + } + + override fun remove() { + if (!isRemoved) { + isRemoved = true + queue.add(this) + } + } + } + + private val subscribers = LinkedHashSet(0) + private val queue = ArrayList(0) + + override fun addListener(listener: DoubleConsumer): ISubscriptable.L { + return L(listener) + } + + override fun accept(t: Double) { + queue.forEach { subscribers.remove(it) } + queue.clear() + subscribers.forEach { it.callback.accept(t) } + } + } +} \ No newline at end of file diff --git a/core/src/main/kotlin/ru/dbotthepony/kommons/event/IFloatSubcripable.kt b/core/src/main/kotlin/ru/dbotthepony/kommons/event/IFloatSubcripable.kt new file mode 100644 index 0000000..8933745 --- /dev/null +++ b/core/src/main/kotlin/ru/dbotthepony/kommons/event/IFloatSubcripable.kt @@ -0,0 +1,43 @@ +package ru.dbotthepony.kommons.event + +import ru.dbotthepony.kommons.util.FloatConsumer +import java.util.function.Consumer + +interface IFloatSubcripable : ISubscriptable { + @Deprecated("Use type specific listener") + override fun addListener(listener: Consumer): ISubscriptable.L { + return addListener(listener::accept) + } + + fun addListener(listener: FloatConsumer): ISubscriptable.L + + class Impl : IFloatSubcripable, Consumer, FloatConsumer { + private inner class L(val callback: FloatConsumer) : ISubscriptable.L { + private var isRemoved = false + + init { + subscribers.add(this) + } + + override fun remove() { + if (!isRemoved) { + isRemoved = true + queue.add(this) + } + } + } + + private val subscribers = LinkedHashSet(0) + private val queue = ArrayList(0) + + override fun addListener(listener: FloatConsumer): ISubscriptable.L { + return L(listener) + } + + override fun accept(t: Float) { + queue.forEach { subscribers.remove(it) } + queue.clear() + subscribers.forEach { it.callback.accept(t) } + } + } +} \ No newline at end of file diff --git a/core/src/main/kotlin/ru/dbotthepony/kommons/event/IIntSubcripable.kt b/core/src/main/kotlin/ru/dbotthepony/kommons/event/IIntSubcripable.kt new file mode 100644 index 0000000..5d39b02 --- /dev/null +++ b/core/src/main/kotlin/ru/dbotthepony/kommons/event/IIntSubcripable.kt @@ -0,0 +1,43 @@ +package ru.dbotthepony.kommons.event + +import java.util.function.Consumer +import java.util.function.IntConsumer + +interface IIntSubcripable : ISubscriptable { + @Deprecated("Use type specific listener") + override fun addListener(listener: Consumer): ISubscriptable.L { + return addListener(IntConsumer { listener.accept(it) }) + } + + fun addListener(listener: IntConsumer): ISubscriptable.L + + class Impl : IIntSubcripable, Consumer, IntConsumer { + private inner class L(val callback: IntConsumer) : ISubscriptable.L { + private var isRemoved = false + + init { + subscribers.add(this) + } + + override fun remove() { + if (!isRemoved) { + isRemoved = true + queue.add(this) + } + } + } + + private val subscribers = LinkedHashSet(0) + private val queue = ArrayList(0) + + override fun addListener(listener: IntConsumer): ISubscriptable.L { + return L(listener) + } + + override fun accept(t: Int) { + queue.forEach { subscribers.remove(it) } + queue.clear() + subscribers.forEach { it.callback.accept(t) } + } + } +} \ No newline at end of file diff --git a/core/src/main/kotlin/ru/dbotthepony/kommons/event/ILongSubcripable.kt b/core/src/main/kotlin/ru/dbotthepony/kommons/event/ILongSubcripable.kt new file mode 100644 index 0000000..7684670 --- /dev/null +++ b/core/src/main/kotlin/ru/dbotthepony/kommons/event/ILongSubcripable.kt @@ -0,0 +1,43 @@ +package ru.dbotthepony.kommons.event + +import java.util.function.Consumer +import java.util.function.LongConsumer + +interface ILongSubcripable : ISubscriptable { + @Deprecated("Use type specific listener") + override fun addListener(listener: Consumer): ISubscriptable.L { + return addListener(LongConsumer { listener.accept(it) }) + } + + fun addListener(listener: LongConsumer): ISubscriptable.L + + class Impl : ILongSubcripable, Consumer, LongConsumer { + private inner class L(val callback: LongConsumer) : ISubscriptable.L { + private var isRemoved = false + + init { + subscribers.add(this) + } + + override fun remove() { + if (!isRemoved) { + isRemoved = true + queue.add(this) + } + } + } + + private val subscribers = LinkedHashSet(0) + private val queue = ArrayList(0) + + override fun addListener(listener: LongConsumer): ISubscriptable.L { + return L(listener) + } + + override fun accept(t: Long) { + queue.forEach { subscribers.remove(it) } + queue.clear() + subscribers.forEach { it.callback.accept(t) } + } + } +} \ No newline at end of file diff --git a/core/src/main/kotlin/ru/dbotthepony/kommons/event/ISubscriptable.kt b/core/src/main/kotlin/ru/dbotthepony/kommons/event/ISubscriptable.kt new file mode 100644 index 0000000..d188f14 --- /dev/null +++ b/core/src/main/kotlin/ru/dbotthepony/kommons/event/ISubscriptable.kt @@ -0,0 +1,60 @@ +package ru.dbotthepony.kommons.event + +import java.util.function.Consumer + +interface ISubscriptable { + /** + * Listener token, allows to remove listener from subscriber list + */ + fun interface L { + /** + * Removes this listener + */ + fun remove() + } + + fun addListener(listener: Consumer): L + + class Impl : ISubscriptable, Consumer { + private inner class L(val callback: Consumer) : ISubscriptable.L { + private var isRemoved = false + + init { + subscribers.add(this) + } + + override fun remove() { + if (!isRemoved) { + isRemoved = true + queue.add(this) + } + } + } + + private val subscribers = LinkedHashSet(0) + private val queue = ArrayList(0) + + override fun addListener(listener: Consumer): ISubscriptable.L { + return L(listener) + } + + override fun accept(t: V) { + queue.forEach { subscribers.remove(it) } + queue.clear() + subscribers.forEach { it.callback.accept(t) } + } + } + + companion object : ISubscriptable, L { + @Suppress("unchecked_cast") + fun empty(): ISubscriptable { + return this as ISubscriptable + } + + override fun remove() {} + + override fun addListener(listener: Consumer): L { + return this + } + } +} diff --git a/core/src/main/kotlin/ru/dbotthepony/kommons/event/IUnitSubscripable.kt b/core/src/main/kotlin/ru/dbotthepony/kommons/event/IUnitSubscripable.kt new file mode 100644 index 0000000..05d6304 --- /dev/null +++ b/core/src/main/kotlin/ru/dbotthepony/kommons/event/IUnitSubscripable.kt @@ -0,0 +1,41 @@ +package ru.dbotthepony.kommons.event + +import java.util.function.Consumer + +interface IUnitSubscripable : ISubscriptable { + fun addListener(listener: Runnable): ISubscriptable.L + + override fun addListener(listener: Consumer): ISubscriptable.L { + return addListener(Runnable { listener.accept(Unit) }) + } + + class Impl : IUnitSubscripable, Runnable { + private inner class L(val callback: Runnable) : ISubscriptable.L { + private var isRemoved = false + + init { + subscribers.add(this) + } + + override fun remove() { + if (!isRemoved) { + isRemoved = true + queue.add(this) + } + } + } + + private val subscribers = LinkedHashSet(0) + private val queue = ArrayList(0) + + override fun addListener(listener: Runnable): ISubscriptable.L { + return L(listener) + } + + override fun run() { + queue.forEach { subscribers.remove(it) } + queue.clear() + subscribers.forEach { it.callback.run() } + } + } +} \ No newline at end of file diff --git a/core/src/main/kotlin/ru/dbotthepony/kommons/util/BooleanConsumer.kt b/core/src/main/kotlin/ru/dbotthepony/kommons/util/BooleanConsumer.kt new file mode 100644 index 0000000..23c1e79 --- /dev/null +++ b/core/src/main/kotlin/ru/dbotthepony/kommons/util/BooleanConsumer.kt @@ -0,0 +1,7 @@ +package ru.dbotthepony.kommons.util + +import java.util.function.Consumer + +fun interface BooleanConsumer : Consumer { + override fun accept(value: Boolean) +} diff --git a/core/src/main/kotlin/ru/dbotthepony/kommons/util/ComparatorUtils.kt b/core/src/main/kotlin/ru/dbotthepony/kommons/util/ComparatorUtils.kt new file mode 100644 index 0000000..d7f153d --- /dev/null +++ b/core/src/main/kotlin/ru/dbotthepony/kommons/util/ComparatorUtils.kt @@ -0,0 +1,38 @@ +package ru.dbotthepony.kommons.util + +import java.util.function.Supplier + + +fun Comparator.nullsFirst(): Comparator { + return Comparator.nullsFirst(this) +} + +fun Comparator.nullsLast(): Comparator { + return Comparator.nullsLast(this) +} + +class MappedComparator(private val parent: Comparator, private val mapper: (T) -> O) : Comparator { + override fun compare(o1: T, o2: T): Int { + return parent.compare(mapper.invoke(o1), mapper.invoke(o2)) + } + + override fun equals(other: Any?): Boolean { + return other is MappedComparator<*, *> && parent == other.parent + } + + override fun hashCode(): Int { + return parent.hashCode() + } + + override fun toString(): String { + return "MappedComparator[$parent]" + } +} + +fun Comparator.map(mapper: (B) -> A): Comparator { + return MappedComparator(this, mapper) +} + +fun Comparator.suppliers(): Comparator> { + return MappedComparator(this) { it.get() } +} diff --git a/core/src/main/kotlin/ru/dbotthepony/kommons/util/FloatConsumer.kt b/core/src/main/kotlin/ru/dbotthepony/kommons/util/FloatConsumer.kt new file mode 100644 index 0000000..d013ad5 --- /dev/null +++ b/core/src/main/kotlin/ru/dbotthepony/kommons/util/FloatConsumer.kt @@ -0,0 +1,7 @@ +package ru.dbotthepony.kommons.util + +import java.util.function.Consumer + +fun interface FloatConsumer : Consumer { + override fun accept(value: Float) +} diff --git a/core/src/main/kotlin/ru/dbotthepony/kommons/util/FloatSupplier.kt b/core/src/main/kotlin/ru/dbotthepony/kommons/util/FloatSupplier.kt new file mode 100644 index 0000000..082fc5e --- /dev/null +++ b/core/src/main/kotlin/ru/dbotthepony/kommons/util/FloatSupplier.kt @@ -0,0 +1,12 @@ +package ru.dbotthepony.kommons.util + +import java.util.function.Supplier + +fun interface FloatSupplier : Supplier { + fun getAsFloat(): Float + + @Deprecated("Use type-specific method", replaceWith = ReplaceWith("this.getAsFloat()")) + override fun get(): Float { + return getAsFloat() + } +} diff --git a/gradle.properties b/gradle.properties new file mode 100644 index 0000000..282f804 --- /dev/null +++ b/gradle.properties @@ -0,0 +1,14 @@ + +kotlin.code.style=official + +projectGroup=ru.dbotthepony.kommons + +guavaDepVersion=33.0.0 + +kommonsVersion=1.0 +coreVersion=1.0 +ioVersion=1.0 +networkingVersion=1.0 +mathVersion=1.0 +collectVersion=1.0 +guavaVersion=1.0 diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..249e583 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..913e178 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Sat Feb 03 12:42:21 KRAT 2024 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100644 index 0000000..1b6c787 --- /dev/null +++ b/gradlew @@ -0,0 +1,234 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit + +APP_NAME="Gradle" +APP_BASE_NAME=${0##*/} + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + +# Collect all arguments for the java command; +# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of +# shell script including quotes and variable substitutions, so put them in +# double quotes to make sure that they get re-expanded; and +# * put everything else in single quotes, so that it's not re-expanded. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..107acd3 --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,89 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/guava/build.gradle.kts b/guava/build.gradle.kts new file mode 100644 index 0000000..0b83e59 --- /dev/null +++ b/guava/build.gradle.kts @@ -0,0 +1,43 @@ +plugins { + kotlin("jvm") + `maven-publish` +} + +val guavaVersion: String by project +val guavaDepVersion: String by project +val projectGroup: String by project + +group = projectGroup +version = guavaVersion + +repositories { + mavenCentral() +} + +dependencies { + testImplementation("org.jetbrains.kotlin:kotlin-test") + + implementation("com.google.guava:guava:$guavaDepVersion-jre") +} + +tasks.test { + useJUnitPlatform() +} + +kotlin { + jvmToolchain(17) +} + +publishing { + publications { + create("mavenJava") { + from(components["java"]) + + pom { + dependencies { + implementation(kotlin("stdlib")) + } + } + } + } +} diff --git a/guava/src/main/kotlin/ru/dbotthepony/kommons/collect/GuavaCollections.kt b/guava/src/main/kotlin/ru/dbotthepony/kommons/collect/GuavaCollections.kt new file mode 100644 index 0000000..1dd6e99 --- /dev/null +++ b/guava/src/main/kotlin/ru/dbotthepony/kommons/collect/GuavaCollections.kt @@ -0,0 +1,54 @@ +package ru.dbotthepony.kommons.collect + +import com.google.common.collect.ImmutableList +import com.google.common.collect.ImmutableMap +import com.google.common.collect.ImmutableMultimap +import com.google.common.collect.ImmutableSet +import java.util.function.Consumer + +inline fun immutableList(size: Int, initializer: (index: Int) -> T): ImmutableList { + require(size >= 0) { "Invalid list size $size" } + + return when (size) { + 0 -> ImmutableList.of() + 1 -> ImmutableList.of(initializer(0)) + else -> ImmutableList.Builder().let { + for (i in 0 until size) { + it.add(initializer(i)) + } + + it.build() + } + } +} + +inline fun immutableMap(initializer: ImmutableMap.Builder.() -> Unit): ImmutableMap { + val builder = ImmutableMap.Builder() + initializer.invoke(builder) + return builder.build() +} + +inline fun immutableMultimap(initializer: ImmutableMultimap.Builder.() -> Unit): ImmutableMultimap { + val builder = ImmutableMultimap.Builder() + initializer.invoke(builder) + return builder.build() +} + +inline fun immutableSet(initializer: Consumer.() -> Unit): ImmutableSet { + val builder = ImmutableSet.Builder() + initializer.invoke(builder::add) + return builder.build() +} + +inline fun immutableList(initializer: Consumer.() -> Unit): ImmutableList { + val builder = ImmutableList.Builder() + initializer.invoke(builder::add) + return builder.build() +} + +fun immutableList(a: V, vararg values: V): ImmutableList { + val builder = ImmutableList.Builder() + builder.add(a) + builder.addAll(values.iterator()) + return builder.build() +} diff --git a/io-math/build.gradle.kts b/io-math/build.gradle.kts new file mode 100644 index 0000000..fa3b946 --- /dev/null +++ b/io-math/build.gradle.kts @@ -0,0 +1,44 @@ +plugins { + kotlin("jvm") + `maven-publish` +} + +val kommonsVersion: String by project +val projectGroup: String by project + +group = projectGroup +version = kommonsVersion + +repositories { + mavenCentral() +} + +dependencies { + testImplementation("org.jetbrains.kotlin:kotlin-test") + implementation(project(":io")) + implementation(project(":math")) +} + +tasks.test { + useJUnitPlatform() +} + +kotlin { + jvmToolchain(17) +} + +publishing { + publications { + create("mavenJava") { + from(components["java"]) + + pom { + dependencies { + implementation(kotlin("stdlib")) + implementation(project(":io")) + implementation(project(":math")) + } + } + } + } +} diff --git a/io-math/src/main/kotlin/ru/dbotthepony/kommons/io/DecimalIO.kt b/io-math/src/main/kotlin/ru/dbotthepony/kommons/io/DecimalIO.kt new file mode 100644 index 0000000..0cca8a0 --- /dev/null +++ b/io-math/src/main/kotlin/ru/dbotthepony/kommons/io/DecimalIO.kt @@ -0,0 +1,23 @@ +package ru.dbotthepony.kommons.io + +import ru.dbotthepony.kommons.math.Decimal +import java.io.DataInputStream +import java.io.DataOutputStream +import java.io.InputStream +import java.io.OutputStream + +fun InputStream.readDecimal(): Decimal { + val size = readVarInt() + require(size >= 0) { "Negative payload size: $size" } + val bytes = ByteArray(size) + read(bytes) + return Decimal.fromByteArray(bytes) +} + +fun OutputStream.writeDecimal(value: Decimal) { + val bytes = value.toByteArray() + writeVarInt(bytes.size) + write(bytes) +} + +val DecimalValueCodec = StreamCodec(DataInputStream::readDecimal, DataOutputStream::writeDecimal) diff --git a/io/build.gradle.kts b/io/build.gradle.kts new file mode 100644 index 0000000..ff3c321 --- /dev/null +++ b/io/build.gradle.kts @@ -0,0 +1,42 @@ +plugins { + kotlin("jvm") + `maven-publish` +} + +val ioVersion: String by project +val projectGroup: String by project + +group = projectGroup +version = ioVersion + +repositories { + mavenCentral() +} + +dependencies { + testImplementation("org.jetbrains.kotlin:kotlin-test") + implementation(project(":core")) +} + +tasks.test { + useJUnitPlatform() +} + +kotlin { + jvmToolchain(17) +} + +publishing { + publications { + create("mavenJava") { + from(components["java"]) + + pom { + dependencies { + implementation(kotlin("stdlib")) + implementation(project(":core")) + } + } + } + } +} diff --git a/io/src/main/kotlin/ru/dbotthepony/kommons/io/CollectionStreamCodec.kt b/io/src/main/kotlin/ru/dbotthepony/kommons/io/CollectionStreamCodec.kt new file mode 100644 index 0000000..2cca67a --- /dev/null +++ b/io/src/main/kotlin/ru/dbotthepony/kommons/io/CollectionStreamCodec.kt @@ -0,0 +1,34 @@ +package ru.dbotthepony.kommons.io + +import java.io.DataInputStream +import java.io.DataOutputStream + +class CollectionStreamCodec>(val elementCodec: IStreamCodec, val collectionFactory: (Int) -> C) : + IStreamCodec { + override fun read(stream: DataInputStream): C { + val size = stream.readVarInt() + + if (size <= 0) { + return collectionFactory.invoke(0) + } + + val collection = collectionFactory.invoke(size) + + for (i in 0 until size) { + collection.add(elementCodec.read(stream)) + } + + return collection + } + + override fun write(stream: DataOutputStream, value: C) { + stream.writeVarInt(value.size) + value.forEach { elementCodec.write(stream, it) } + } + + override fun copy(value: C): C { + val new = collectionFactory.invoke(value.size) + value.forEach { new.add(elementCodec.copy(it)) } + return new + } +} \ No newline at end of file diff --git a/io/src/main/kotlin/ru/dbotthepony/kommons/io/EnumValueCodec.kt b/io/src/main/kotlin/ru/dbotthepony/kommons/io/EnumValueCodec.kt new file mode 100644 index 0000000..eae5883 --- /dev/null +++ b/io/src/main/kotlin/ru/dbotthepony/kommons/io/EnumValueCodec.kt @@ -0,0 +1,48 @@ +package ru.dbotthepony.kommons.io + +import java.io.DataInputStream +import java.io.DataOutputStream + +class EnumValueCodec>(clazz: Class) : IStreamCodec { + val clazz = searchClass(clazz) + val values: List = listOf(*this.clazz.enumConstants!!) + val valuesMap = values.associateBy { it.name } + + override fun read(stream: DataInputStream): V { + val id = stream.readVarInt() + return values.getOrNull(id) ?: throw NoSuchElementException("No such enum with index $id") + } + + override fun write(stream: DataOutputStream, value: V) { + stream.writeVarInt(value.ordinal) + } + + override fun copy(value: V): V { + return value + } + + override fun compare(a: V, b: V): Boolean { + return a === b + } + + companion object { + /** + * FIXME: enums with abstract methods which get compiled to subclasses, whose DO NOT expose "parent's" enum constants array + * + * is there an already existing solution? + */ + fun > searchClass(clazz: Class): Class { + var search: Class<*> = clazz + + while (search.enumConstants == null && search.superclass != null) { + search = search.superclass + } + + if (search.enumConstants == null) { + throw ClassCastException("$clazz does not represent an enum or enum subclass") + } + + return search as Class + } + } +} \ No newline at end of file diff --git a/io/src/main/kotlin/ru/dbotthepony/kommons/io/IStreamCodec.kt b/io/src/main/kotlin/ru/dbotthepony/kommons/io/IStreamCodec.kt new file mode 100644 index 0000000..c1b170a --- /dev/null +++ b/io/src/main/kotlin/ru/dbotthepony/kommons/io/IStreamCodec.kt @@ -0,0 +1,28 @@ +package ru.dbotthepony.kommons.io + +import java.io.DataInputStream +import java.io.DataOutputStream + +/** + * Represents value which can be encoded onto or decoded from stream. + * + * Also provides [copy] and [compare] methods + */ +interface IStreamCodec { + fun read(stream: DataInputStream): V + fun write(stream: DataOutputStream, value: V) + + /** + * if value is immutable, return it right away + */ + fun copy(value: V): V + + /** + * Optional equality check override. Utilized to determine whenever e.g. network value is different from new value + * + * By default uses [Any.equals] + */ + fun compare(a: V, b: V): Boolean { + return a == b + } +} \ No newline at end of file diff --git a/io/src/main/kotlin/ru/dbotthepony/kommons/io/InputStreamUtils.kt b/io/src/main/kotlin/ru/dbotthepony/kommons/io/InputStreamUtils.kt new file mode 100644 index 0000000..3e6014f --- /dev/null +++ b/io/src/main/kotlin/ru/dbotthepony/kommons/io/InputStreamUtils.kt @@ -0,0 +1,151 @@ +package ru.dbotthepony.kommons.io + +import java.io.DataInput +import java.io.InputStream +import java.io.RandomAccessFile +import java.math.BigDecimal +import java.math.BigInteger +import java.util.function.IntSupplier + +fun InputStream.readBigDecimal(): BigDecimal { + val scale = readInt() + val size = readVarInt() + require(size >= 0) { "Negative payload size: $size" } + val bytes = ByteArray(size) + read(bytes) + return BigDecimal(BigInteger(bytes), scale) +} + +fun > S.readCollection(reader: S.() -> V, factory: (Int) -> C): C { + val size = readVarInt() + val collection = factory.invoke(size) + + for (i in 0 until size) { + collection.add(reader(this)) + } + + return collection +} + +fun S.readCollection(reader: S.() -> V) = readCollection(reader, ::ArrayList) + +fun InputStream.readInt(): Int { + if (this is DataInput) { + return readInt() + } + + return (read() shl 24) or (read() shl 16) or (read() shl 8) or read() +} + +fun InputStream.readLong(): Long { + if (this is DataInput) { + return readLong() + } + + return (read().toLong() shl 48) or + (read().toLong() shl 40) or + (read().toLong() shl 32) or + (read().toLong() shl 24) or + (read().toLong() shl 16) or + (read().toLong() shl 8) or + read().toLong() +} + +fun InputStream.readFloat() = Float.fromBits(readInt()) +fun InputStream.readDouble() = Double.fromBits(readLong()) + +data class VarIntReadResult(val value: Int, val cells: Int) +data class VarLongReadResult(val value: Long, val cells: Int) + +private fun readVarLongInfo(supplier: IntSupplier): VarLongReadResult { + var result = 0L + var read = supplier.asInt + var i = 1 + + while (true) { + result = (result shl 7) or (read.toLong() and 0x7F) + + if (read and 0x80 == 0) + break + + read = supplier.asInt + i++ + } + + return VarLongReadResult(result, i) +} + +private fun readVarIntInfo(supplier: IntSupplier): VarIntReadResult { + val read = readVarLongInfo(supplier) + return VarIntReadResult(read.value.toInt(), read.cells) +} + +private fun readVarInt(supplier: IntSupplier): Int { + return readVarIntInfo(supplier).value +} + +private fun readVarLong(supplier: IntSupplier): Long { + return readVarLongInfo(supplier).value +} + +private fun Int.fromSignedVar(): Int { + val sign = this and 1 + + if (sign == 0) + return this ushr 1 + else + return -(this ushr 1) - 1 +} + +private fun VarIntReadResult.fromSignedVar(): VarIntReadResult { + val sign = this.value and 1 + + if (sign == 0) + return VarIntReadResult(this.value ushr 1, this.cells) + else + return VarIntReadResult(-(this.value ushr 1) - 1, this.cells) +} + +private fun Long.fromSignedVar(): Long { + val sign = this and 1 + + if (sign == 0L) + return this ushr 1 + else + return -(this ushr 1) - 1L +} + +private fun VarLongReadResult.fromSignedVar(): VarLongReadResult { + val sign = this.value and 1 + + if (sign == 0L) + return VarLongReadResult(this.value ushr 1, this.cells) + else + return VarLongReadResult(-(this.value ushr 1) - 1, this.cells) +} + +fun RandomAccessFile.readVarLong() = readVarLong(::readUnsignedByte) +fun RandomAccessFile.readVarInt() = readVarInt(::readUnsignedByte) +fun RandomAccessFile.readVarLongInfo() = readVarLongInfo(::readUnsignedByte) +fun RandomAccessFile.readVarIntInfo() = readVarIntInfo(::readUnsignedByte) +fun InputStream.readVarLong() = readVarLong(::read) +fun InputStream.readVarInt() = readVarInt(::read) +fun InputStream.readVarLongInfo() = readVarLongInfo(::read) +fun InputStream.readVarIntInfo() = readVarIntInfo(::read) + +fun RandomAccessFile.readSignedVarLong() = readVarLong(::readUnsignedByte).fromSignedVar() +fun RandomAccessFile.readSignedVarInt() = readVarInt(::readUnsignedByte).fromSignedVar() +fun RandomAccessFile.readSignedVarLongInfo() = readVarLongInfo(::readUnsignedByte).fromSignedVar() +fun RandomAccessFile.readSignedVarIntInfo() = readVarIntInfo(::readUnsignedByte).fromSignedVar() +fun InputStream.readSignedVarLong() = readVarLong(::read).fromSignedVar() +fun InputStream.readSignedVarInt() = readVarInt(::read).fromSignedVar() +fun InputStream.readSignedVarLongInfo() = readVarLongInfo(::read).fromSignedVar() +fun InputStream.readSignedVarIntInfo() = readVarIntInfo(::read).fromSignedVar() + +fun InputStream.readBinaryString(): String { + val size = readVarInt() + require(size >= 0) { "Negative payload size: $size" } + val bytes = ByteArray(size) + read(bytes) + return bytes.decodeToString() +} diff --git a/io/src/main/kotlin/ru/dbotthepony/kommons/io/OutputStreamUtils.kt b/io/src/main/kotlin/ru/dbotthepony/kommons/io/OutputStreamUtils.kt new file mode 100644 index 0000000..47dbb27 --- /dev/null +++ b/io/src/main/kotlin/ru/dbotthepony/kommons/io/OutputStreamUtils.kt @@ -0,0 +1,105 @@ +package ru.dbotthepony.kommons.io + +import java.io.DataOutput +import java.io.OutputStream +import java.io.RandomAccessFile +import java.math.BigDecimal +import java.util.function.IntConsumer + +fun OutputStream.writeBigDecimal(value: BigDecimal) { + writeInt(value.scale()) + val bytes = value.unscaledValue().toByteArray() + writeVarInt(bytes.size) + write(bytes) +} + +fun S.writeCollection(collection: Collection, writer: S.(V) -> Unit) { + writeVarInt(collection.size) + + for (value in collection) { + writer(this, value) + } +} + +fun OutputStream.writeInt(value: Int) { + if (this is DataOutput) { + writeInt(value) + return + } + + write(value ushr 24) + write(value ushr 16) + write(value ushr 8) + write(value) +} + +fun OutputStream.writeLong(value: Long) { + if (this is DataOutput) { + writeLong(value) + return + } + + write((value ushr 48).toInt()) + write((value ushr 40).toInt()) + write((value ushr 32).toInt()) + write((value ushr 24).toInt()) + write((value ushr 16).toInt()) + write((value ushr 8).toInt()) + write(value.toInt()) +} + +fun OutputStream.writeFloat(value: Float) = writeInt(value.toBits()) +fun OutputStream.writeDouble(value: Double) = writeLong(value.toBits()) + +private fun writeVarLong(write: IntConsumer, value: Long): Int { + var value = value + var i = 0 + + do { + val toWrite = (value and 0x7F).toInt() + value = value ushr 7 + + if (value == 0L) + write.accept(toWrite) + else + write.accept(toWrite or 0x80) + + i++ + } while (value != 0L) + + return i +} + +private fun writeVarInt(write: IntConsumer, value: Int): Int { + return writeVarLong(write, value.toLong()) +} + +private fun Int.toSignedVar(): Int { + if (this >= 0) + return this shl 1 + else + return (this shl 1) or 1 +} + +private fun Long.toSignedVar(): Long { + if (this >= 0) + return this shl 1 + else + return ((-this - 1) shl 1) or 1L +} + +fun RandomAccessFile.writeVarLong(value: Long) = writeVarLong(::write, value) +fun RandomAccessFile.writeVarInt(value: Int) = writeVarInt(::write, value) +fun OutputStream.writeVarLong(value: Long) = writeVarLong(::write, value) +fun OutputStream.writeVarInt(value: Int) = writeVarInt(::write, value) + +fun RandomAccessFile.writeSignedVarLong(value: Long) = writeVarLong(::write, value.toSignedVar()) +fun RandomAccessFile.writeSignedVarInt(value: Int) = writeVarInt(::write, value.toSignedVar()) +fun OutputStream.writeSignedVarLong(value: Long) = writeVarLong(::write, value.toSignedVar()) +fun OutputStream.writeSignedVarInt(value: Int) = writeVarInt(::write, value.toSignedVar()) + +fun OutputStream.writeBinaryString(input: String) { + val bytes = input.encodeToByteArray() + writeVarInt(bytes.size) + write(bytes) +} diff --git a/io/src/main/kotlin/ru/dbotthepony/kommons/io/StreamCodecs.kt b/io/src/main/kotlin/ru/dbotthepony/kommons/io/StreamCodecs.kt new file mode 100644 index 0000000..7f56857 --- /dev/null +++ b/io/src/main/kotlin/ru/dbotthepony/kommons/io/StreamCodecs.kt @@ -0,0 +1,77 @@ +package ru.dbotthepony.kommons.io + +import java.io.DataInputStream +import java.io.DataOutputStream +import java.util.* +import kotlin.reflect.KClass + +class StreamCodec( + private val reader: (stream: DataInputStream) -> V, + private val writer: (stream: DataOutputStream, value: V) -> Unit, + private val copier: ((value: V) -> V) = { it }, + private val comparator: ((a: V, b: V) -> Boolean) = { a, b -> a == b } +) : IStreamCodec { + constructor( + reader: (stream: DataInputStream) -> V, + payloadSize: Long, + writer: (stream: DataOutputStream, value: V) -> Unit, + copier: ((value: V) -> V) = { it }, + comparator: ((a: V, b: V) -> Boolean) = { a, b -> a == b } + ) : this({ stream -> reader.invoke(stream) }, writer, copier, comparator) + + val nullable = object : IStreamCodec { + override fun read(stream: DataInputStream): V? { + return if (stream.read() == 0) null else reader.invoke(stream) + } + + override fun write(stream: DataOutputStream, value: V?) { + if (value === null) stream.write(0) else { + stream.write(1) + writer.invoke(stream, value) + } + } + + override fun copy(value: V?): V? { + return if (value === null) null else copier.invoke(value) + } + + override fun compare(a: V?, b: V?): Boolean { + if (a === null && b === null) return true + if (a === null || b === null) return false + return comparator.invoke(a, b) + } + } + + override fun read(stream: DataInputStream): V { + return reader.invoke(stream) + } + + override fun write(stream: DataOutputStream, value: V) { + writer.invoke(stream, value) + } + + override fun copy(value: V): V { + return copier.invoke(value) + } + + override fun compare(a: V, b: V): Boolean { + return comparator.invoke(a, b) + } +} + +val NullValueCodec = StreamCodec({ _ -> null }, { _, _ -> }) +val BooleanValueCodec = StreamCodec(DataInputStream::readBoolean, 1L, DataOutputStream::writeBoolean) { a, b -> a == b } +val ByteValueCodec = StreamCodec(DataInputStream::readByte, 1L, { s, v -> s.writeByte(v.toInt()) }) { a, b -> a == b } +val ShortValueCodec = StreamCodec(DataInputStream::readShort, 2L, { s, v -> s.writeShort(v.toInt()) }) { a, b -> a == b } +val IntValueCodec = StreamCodec(DataInputStream::readInt, 4L, DataOutputStream::writeInt) { a, b -> a == b } +val LongValueCodec = StreamCodec(DataInputStream::readLong, 8L, DataOutputStream::writeLong) { a, b -> a == b } +val FloatValueCodec = StreamCodec(DataInputStream::readFloat, 4L, DataOutputStream::writeFloat) { a, b -> a == b } +val DoubleValueCodec = StreamCodec(DataInputStream::readDouble, 8L, DataOutputStream::writeDouble) { a, b -> a == b } +val BigDecimalValueCodec = StreamCodec(DataInputStream::readBigDecimal, DataOutputStream::writeBigDecimal) +val UUIDValueCodec = StreamCodec({ s -> UUID(s.readLong(), s.readLong()) }, { s, v -> s.writeLong(v.mostSignificantBits); s.writeLong(v.leastSignificantBits) }) +val VarIntValueCodec = StreamCodec(DataInputStream::readSignedVarInt, DataOutputStream::writeSignedVarInt) { a, b -> a == b } +val VarLongValueCodec = StreamCodec(DataInputStream::readSignedVarLong, DataOutputStream::writeSignedVarLong) { a, b -> a == b } +val BinaryStringCodec = StreamCodec(DataInputStream::readBinaryString, DataOutputStream::writeBinaryString) + +fun > Class.codec() = EnumValueCodec(this) +fun > KClass.codec() = EnumValueCodec(this.java) diff --git a/math/build.gradle.kts b/math/build.gradle.kts new file mode 100644 index 0000000..2d363f8 --- /dev/null +++ b/math/build.gradle.kts @@ -0,0 +1,40 @@ +plugins { + kotlin("jvm") + `maven-publish` +} + +val mathVersion: String by project +val projectGroup: String by project + +group = projectGroup +version = mathVersion + +repositories { + mavenCentral() +} + +dependencies { + testImplementation("org.jetbrains.kotlin:kotlin-test") +} + +tasks.test { + useJUnitPlatform() +} + +kotlin { + jvmToolchain(17) +} + +publishing { + publications { + create("mavenJava") { + from(components["java"]) + + pom { + dependencies { + implementation(kotlin("stdlib")) + } + } + } + } +} diff --git a/math/src/main/kotlin/ru/dbotthepony/kommons/math/Decimal.kt b/math/src/main/kotlin/ru/dbotthepony/kommons/math/Decimal.kt new file mode 100644 index 0000000..bcad465 --- /dev/null +++ b/math/src/main/kotlin/ru/dbotthepony/kommons/math/Decimal.kt @@ -0,0 +1,1553 @@ +package ru.dbotthepony.kommons.math + +import java.math.BigDecimal +import java.math.BigInteger +import java.math.MathContext +import java.math.RoundingMode + +private val BI_MINUS_ONE = -BigInteger.ONE +private val PERCENTAGE_CONTEXT = MathContext(6) // 6 ибо это число знаков для вычисления процента + +fun Decimal(value: Byte) = Decimal.valueOf(value) +fun Decimal(value: Short) = Decimal.valueOf(value) +fun Decimal(value: Int) = Decimal.valueOf(value) +fun Decimal(value: Long) = Decimal.valueOf(value) +fun Decimal(value: Float) = Decimal.valueOf(value) +fun Decimal(value: Double) = Decimal.valueOf(value) +fun Decimal(value: BigDecimal) = Decimal.valueOf(value) +fun Decimal(value: BigInteger) = Decimal.valueOf(value) +fun Decimal(value: String) = Decimal.valueOf(value) + +inline val BigInteger.isZero get() = this.signum() == 0 +inline val BigInteger.isPositive get() = this.signum() > 0 +inline val BigInteger.isNegative get() = this.signum() < 0 + +inline val BigDecimal.isZero get() = this.signum() == 0 +inline val BigDecimal.isPositive get() = this.signum() > 0 +inline val BigDecimal.isNegative get() = this.signum() < 0 + +val BI_INT_MAX: BigInteger = BigInteger.valueOf(Int.MAX_VALUE.toLong()) +val BI_INT_MIN: BigInteger = BigInteger.valueOf(Int.MIN_VALUE.toLong()) +val BI_LONG_MAX: BigInteger = BigInteger.valueOf(Long.MAX_VALUE) +val BI_LONG_MIN: BigInteger = BigInteger.valueOf(Long.MIN_VALUE) + +val BI_FLOAT_MAX: BigInteger = BigDecimal(Float.MAX_VALUE.toString()).toBigInteger() +val BI_FLOAT_MIN: BigInteger = BigDecimal(Float.MIN_VALUE.toString()).toBigInteger() +val BI_DOUBLE_MAX: BigInteger = BigDecimal(Double.MAX_VALUE.toString()).toBigInteger() +val BI_DOUBLE_MIN: BigInteger = BigDecimal(Double.MIN_VALUE.toString()).toBigInteger() + +/** + * Fixed point arbitrary precision Decimal value. Values of this class embed [BigInteger] unscaled value, scale + * is defined at compile time by [PRECISION]. + */ +sealed class Decimal : Number(), Comparable { + /** + * Whole part of this Decimal + */ + abstract val whole: BigInteger + + /** + * Arbitrary fractional part of this Decimal, as [BigInteger] + * + * Makes sense only when utilized along [PRECISION], [PRECISION_POW], [PRECISION_POW_BI] + */ + abstract val fractional: BigInteger + + /** + * *Signed* normalized (-1,1) fractional part of this Decimal, as [Float] + */ + inline val fractionalFloat: Float get() { + return fractional.toFloat() / PRECISION_FLOAT + } + + /** + * *Signed* normalized (-1,1) fractional part of this Decimal, as [Double] + */ + inline val fractionalDouble: Double get() { + return fractional.toDouble() / PRECISION_DOUBLE + } + + abstract operator fun plus(other: Decimal): Decimal + abstract operator fun minus(other: Decimal): Decimal + abstract operator fun times(other: Decimal): Decimal + abstract operator fun div(other: Decimal): Decimal + + abstract operator fun rem(other: Decimal): Decimal + + // Primitive operators + abstract operator fun plus(other: Float): Decimal + abstract operator fun minus(other: Float): Decimal + abstract operator fun times(other: Float): Decimal + abstract operator fun div(other: Float): Decimal + + abstract operator fun plus(other: Double): Decimal + abstract operator fun minus(other: Double): Decimal + abstract operator fun times(other: Double): Decimal + abstract operator fun div(other: Double): Decimal + + abstract operator fun plus(other: Int): Decimal + abstract operator fun minus(other: Int): Decimal + abstract operator fun times(other: Int): Decimal + abstract operator fun div(other: Int): Decimal + + abstract operator fun plus(other: Long): Decimal + abstract operator fun minus(other: Long): Decimal + abstract operator fun times(other: Long): Decimal + abstract operator fun div(other: Long): Decimal + + abstract operator fun plus(other: BigInteger): Decimal + abstract operator fun minus(other: BigInteger): Decimal + abstract operator fun times(other: BigInteger): Decimal + abstract operator fun div(other: BigInteger): Decimal + // /Primitive operators + + // "de-virtualize" generic method + abstract override fun compareTo(other: Decimal): Int + + abstract operator fun unaryMinus(): Decimal + operator fun unaryPlus() = this + + /** + * Sign number of this Decimal, as defined by [BigInteger.signum] + */ + abstract fun signum(): Int + + /** + * Whenever this Decimal is negative (less than zero) + */ + inline val isNegative get() = signum() < 0 + + /** + * Whenever this Decimal is positive (bigger than zero) + */ + inline val isPositive get() = signum() > 0 + + /** + * Whenever this Decimal is zero + */ + inline val isZero get() = signum() == 0 + + abstract val isInfinite: Boolean + abstract val isFinite: Boolean + + /** + * Alias for [coerceAtLeast] with [ZERO] constant, except this method might + * perform faster. + */ + fun moreThanZero(): Decimal { + if (signum() >= 0) + return this + + return Zero + } + + /** + * Alias for [coerceAtMost] with [ZERO] constant, except this method might + * perform faster. + */ + fun lessOrZero(): Decimal { + if (signum() <= 0) + return this + + return Zero + } + + abstract fun toByteArray(): ByteArray + + val absoluteValue: Decimal + get() { + return if (isNegative) { + -this + } else { + this + } + } + + /** + * Truncates fractional part of this Decimal + */ + abstract fun floor(): Decimal + + abstract fun toString(decimals: Int): String + override fun toString(): String = toString(-1) + + abstract fun toBigDecmial(): BigDecimal + + fun percentage(divisor: Decimal): Float { + if (isZero || divisor.isZero) return 0f + + if (this >= divisor) + return 1f + else if (this <= FLOAT_MAX_VALUE && divisor <= FLOAT_MAX_VALUE) + return (toDouble() / divisor.toDouble()).toFloat() + else if (divisor === PositiveInfinity || divisor === NegativeInfinity) + return 0f + + return toBigDecmial().divide(divisor.toBigDecmial(), PERCENTAGE_CONTEXT).toFloat() + } + + private class Regular(val mag: BigInteger, marker: Nothing?) : Decimal() { + constructor(value: BigInteger) : this(value * PRECISION_POW_BI, null) + constructor(value: BigDecimal) : this(value.setScale(PRECISION, RoundingMode.HALF_UP).unscaledValue(), null) + constructor(value: Float) : this(BigDecimal.valueOf(value.toDouble())) + constructor(value: Double) : this(BigDecimal(value)) + constructor(value: String) : this(BigDecimal(value)) + + override val isInfinite: Boolean + get() = false + override val isFinite: Boolean + get() = true + + private var _whole: BigInteger? = null + private var _fractional: BigInteger? = null + + private fun computeWholeFractional(): BigInteger { + val (a, b) = mag.divideAndRemainder(PRECISION_POW_BI) + _whole = a + _fractional = b + return a + } + + override val whole: BigInteger get() { + return _whole ?: computeWholeFractional() + } + + override val fractional: BigInteger get() { + if (_fractional == null) computeWholeFractional() + return _fractional!! + } + + override fun toDouble(): Double { + return mag.toDouble() / PRECISION_DOUBLE + } + + override fun toFloat(): Float { + return mag.toFloat() / PRECISION_FLOAT + } + + override fun toByte(): Byte { + return whole.toByte() + } + + override fun toShort(): Short { + return whole.toShort() + } + + override fun signum(): Int { + return mag.signum() + } + + override fun toInt(): Int { + return if (whole > BI_INT_MAX) { + Int.MAX_VALUE + } else if (whole < BI_INT_MIN) { + Int.MIN_VALUE + } else { + whole.toInt() + } + } + + override fun toLong(): Long { + return if (whole > BI_LONG_MAX) { + Long.MAX_VALUE + } else if (whole < BI_LONG_MIN) { + Long.MIN_VALUE + } else { + whole.toLong() + } + } + + override fun compareTo(other: Decimal): Int { + return if (other === Zero) + signum() + else if (other is Regular) + mag.compareTo(other.mag) + else if (other === PositiveInfinity) + -1 + else if (other === NegativeInfinity) + 1 + else + throw RuntimeException("unreachable code") + } + + + override fun plus(other: Decimal): Decimal { + return if (other is Regular) { + raw(mag + other.mag) + } else if (other === Zero) { + this + } else if (other === PositiveInfinity) { + PositiveInfinity + } else if (other === NegativeInfinity) { + NegativeInfinity + } else { + throw RuntimeException("Unreachable code") + } + } + + override fun minus(other: Decimal): Decimal { + return if (other is Regular) { + raw(mag - other.mag) + } else if (other === Zero) { + this + } else if (other === PositiveInfinity) { + NegativeInfinity + } else if (other === NegativeInfinity) { + PositiveInfinity + } else { + throw RuntimeException("Unreachable code") + } + } + + override fun times(other: Decimal): Decimal { + if (other is Regular) { + if (other == ONE) { + return this + } else if (other == MINUS_ONE) { + return raw(-mag) + } + + val result = mag * other.mag + val (a, b) = result.divideAndRemainder(PRECISION_POW_BI) + + return if (b >= PRECISION_POW_BI_HIGH) { + raw(a + BigInteger.ONE) + } else { + raw(a) + } + } else if (other === Zero) { + return Zero + } else if (other === PositiveInfinity) { + return PositiveInfinity + } else if (other === NegativeInfinity) { + return NegativeInfinity + } else { + throw RuntimeException("Unreachable code") + } + } + + override fun div(other: Decimal): Decimal { + if (other is Regular) { + if (other == ONE) { + return this + } else if (other == MINUS_ONE) { + return raw(-mag) + } + + return raw((mag * PRECISION_POW_BI) / other.mag) + } else if (other === Zero) { + throw ArithmeticException("$this / 0") + } else if (other === PositiveInfinity || other === NegativeInfinity) { + return Zero + } else { + throw RuntimeException("Unreachable code") + } + } + + override fun rem(other: Decimal): Decimal { + return if (other is Regular) { + raw(mag % other.mag) + } else if (other === Zero) { + throw ArithmeticException("$this % 0") + } else if (other === PositiveInfinity) { + this + } else if (other === NegativeInfinity) { + -this + } else { + throw RuntimeException("Unreachable code") + } + } + + // Primitive operators + override fun plus(other: Float): Decimal { + if (other == 0f) { + return this + } else if (other.isNaN()) { + throw ArithmeticException("$this + NaN") + } else if (other == Float.POSITIVE_INFINITY) { + return PositiveInfinity + } else if (other == Float.NEGATIVE_INFINITY) { + return NegativeInfinity + } + + return plus(valueOf(other)) + } + + override fun minus(other: Float): Decimal { + if (other == 0f) { + return this + } else if (other.isNaN()) { + throw ArithmeticException("$this - NaN") + } else if (other == Float.POSITIVE_INFINITY) { + return NegativeInfinity + } else if (other == Float.NEGATIVE_INFINITY) { + return PositiveInfinity + } + + return minus(valueOf(other)) + } + + override fun times(other: Float): Decimal { + if (other == 1f) { + return this + } else if (other == 0f) { + return Zero + } else if (other == -1f) { + return -this + } else if (other.isNaN()) { + throw ArithmeticException("$this * NaN") + } else if (other == Float.POSITIVE_INFINITY) { + return if (signum() < 0) NegativeInfinity else PositiveInfinity + } else if (other == Float.NEGATIVE_INFINITY) { + return if (signum() < 0) PositiveInfinity else NegativeInfinity + } + + return times(valueOf(other)) + } + + override fun div(other: Float): Decimal { + if (other == 0f) { + throw ArithmeticException("$this / 0") + } else if (other == 1f) { + return this + } else if (other == -1f) { + return -this + } else if (other.isNaN()) { + throw ArithmeticException("$this / NaN") + } else if (other.isInfinite()) { + return Zero + } + + return div(valueOf(other)) + } + + override fun plus(other: Double): Decimal { + if (other == 0.0) { + return this + } else if (other.isNaN()) { + throw ArithmeticException("$this + NaN") + } else if (other == Double.POSITIVE_INFINITY) { + return PositiveInfinity + } else if (other == Double.NEGATIVE_INFINITY) { + return NegativeInfinity + } + + return plus(valueOf(other)) + } + + override fun minus(other: Double): Decimal { + if (other == 0.0) { + return this + } else if (other.isNaN()) { + throw ArithmeticException("$this - NaN") + } else if (other == Double.POSITIVE_INFINITY) { + return NegativeInfinity + } else if (other == Double.NEGATIVE_INFINITY) { + return PositiveInfinity + } + + return minus(valueOf(other)) + } + + override fun times(other: Double): Decimal { + if (other == 1.0) { + return this + } else if (other == 0.0) { + return Zero + } else if (other == -1.0) { + return -this + } else if (other.isNaN()) { + throw ArithmeticException("$this * NaN") + } else if (other == Double.POSITIVE_INFINITY) { + return if (signum() < 0) NegativeInfinity else PositiveInfinity + } else if (other == Double.NEGATIVE_INFINITY) { + return if (signum() < 0) PositiveInfinity else NegativeInfinity + } + + return times(valueOf(other)) + } + + override fun div(other: Double): Decimal { + if (other == 0.0) { + throw ArithmeticException("$this / zero") + } else if (other == 1.0) { + return this + } else if (other == -1.0) { + return -this + } else if (other.isNaN()) { + throw ArithmeticException("$this / NaN") + } else if (other.isInfinite()) { + return Zero + } + + return div(valueOf(other)) + } + + override fun plus(other: Int): Decimal { + if (other == 0) + return this + + return plus(valueOf(other)) + } + + override fun minus(other: Int): Decimal { + if (other == 0) + return this + + return minus(valueOf(other)) + } + + override fun times(other: Int): Decimal { + if (other == 1) { + return this + } else if (other == 0) { + return Zero + } else if (other == -1) { + return -this + } + + return times(valueOf(other)) + } + + override fun div(other: Int): Decimal { + if (other == 0) { + throw ArithmeticException("$this / 0") + } else if (other == 1) { + return this + } else if (other == -1) { + return -this + } + + return div(valueOf(other)) + } + + override fun plus(other: Long): Decimal { + if (other == 0L) + return this + + return plus(valueOf(other)) + } + + override fun minus(other: Long): Decimal { + if (other == 0L) + return this + + return minus(valueOf(other)) + } + + override fun times(other: Long): Decimal { + if (other == 1L) { + return this + } else if (other == 0L) { + return Zero + } else if (other == -1L) { + return -this + } + + return times(valueOf(other)) + } + + override fun div(other: Long): Decimal { + if (other == 0L) { + throw ArithmeticException("$this / 0") + } else if (other == 1L || isZero) { + return this + } else if (other == -1L) { + return -this + } + + return div(valueOf(other)) + } + + override fun plus(other: BigInteger): Decimal { + if (other == BigInteger.ZERO) + return this + + return plus(valueOf(other)) + } + + override fun minus(other: BigInteger): Decimal { + if (other == BigInteger.ZERO) + return this + + return minus(valueOf(other)) + } + + override fun times(other: BigInteger): Decimal { + if (other == BigInteger.ONE) { + return this + } else if (other.signum() == 0) { + return Zero + } else if (other == BI_MINUS_ONE) { + return -this + } + + return times(valueOf(other)) + } + + override fun div(other: BigInteger): Decimal { + if (other == BigInteger.ZERO) { + throw ArithmeticException("$this / 0") + } else if (other == BigInteger.ONE) { + return this + } else if (other == BI_MINUS_ONE) { + return -this + } + + return div(valueOf(other)) + } + // /Primitive operators + + override fun unaryMinus(): Decimal { + return Regular(-mag, null) + } + + override fun toByteArray(): ByteArray { + val result = mag.toByteArray() + val copy = ByteArray(result.size + 1) + copy[0] = TYPE_NORMAL + result.copyInto(copy, 1) + return copy + } + + override fun floor(): Decimal { + return Regular(whole) + } + + override fun toString(decimals: Int): String { + if (decimals == 0) { + return whole.toString() + } + + if (mag.signum() == 0) { + return if (decimals < 0) { + "0.0" + } else { + "0." + "0".repeat(decimals) + } + } + + var original = mag.toString() + + if (mag.signum() < 0) { + // если у нас отрицательное число - убираем знак минуса + original = original.substring(1) + } + + if (original.length <= PRECISION) { + // если у нас чисто дробное число - дописываем нули в начало + original = "0".repeat(PRECISION - original.length + 1) + original + } + + // теперь у нас беззнаковая строка с нужной длиной + + if (decimals < 0) { + // нам неважно количество знаков после запятой + var result = original.substring(0, original.length - PRECISION) + "." + original.substring(original.length - PRECISION) + + if (mag.signum() < 0) { + result = "-$result" + } + + var pos = result.length - 1 + + while (result[pos] == '0') { + if (result[pos - 1] == '0' || result[pos - 1] != '.') + pos-- + else + break + } + + return result.substring(0, pos + 1) + } else { + // нужно некоторое количество знаков после запятой + val result = original.substring(0, original.length - PRECISION) + "." + var decimalPart = original.substring(original.length - PRECISION) + + if (decimalPart.length < decimals) { + decimalPart += "0".repeat(decimals - decimalPart.length) + } else if (decimalPart.length > decimals) { + decimalPart = decimalPart.substring(0, decimals) + } + + return if (mag.signum() < 0) { + "-$result$decimalPart" + } else { + "$result$decimalPart" + } + } + } + + override fun toBigDecmial(): BigDecimal { + return BigDecimal(mag, PRECISION) + } + + override fun equals(other: Any?): Boolean { + return this === other || other is Regular && mag == other.mag + } + + override fun hashCode(): Int { + return mag.hashCode() + } + } + + private object PositiveInfinity : Decimal() { + private fun readResolve(): Any = PositiveInfinity + + override val isInfinite: Boolean + get() = true + override val isFinite: Boolean + get() = false + + override fun compareTo(other: Decimal): Int { + return if (other === this) 0 else 1 + } + + override fun toByte(): Byte { + return Byte.MAX_VALUE + } + + override fun toDouble(): Double { + return Double.POSITIVE_INFINITY + } + + override fun toFloat(): Float { + return Float.POSITIVE_INFINITY + } + + override fun toInt(): Int { + return Int.MAX_VALUE + } + + override fun toLong(): Long { + return Long.MAX_VALUE + } + + override fun toShort(): Short { + return Short.MAX_VALUE + } + + override val whole: BigInteger + get() = throw UnsupportedOperationException("Attempt to get whole part of positive infinity") + override val fractional: BigInteger + get() = throw UnsupportedOperationException("Attempt to get fractional part of positive infinity") + + override fun plus(other: Decimal): Decimal { + // not very mathematically correct, since + // case "infinity + infinity" with either sign on either side + // is undefined + return this + } + + override fun minus(other: Decimal): Decimal { + // not very mathematically correct, since + // case "infinity - infinity" with either sign on either side + // is undefined + return this + } + + override fun times(other: Decimal): Decimal { + return if (other.signum() == 0) + Zero + else if (other.signum() < 0) + NegativeInfinity + else + this + } + + override fun div(other: Decimal): Decimal { + return if (other.signum() == 0) + throw ArithmeticException("Attempt to divide positive infinity by zero") + else if (other === this) + throw ArithmeticException("Dividing positive infinity by itself is undefined") + else if (other === NegativeInfinity) + throw ArithmeticException("Dividing positive infinity by negative infinity is undefined") + else if (other.signum() < 0) + NegativeInfinity + else + this + } + + override fun rem(other: Decimal): Decimal { + return if (other.signum() == 0) + throw ArithmeticException("Attempt to remainder divide positive infinity by zero") + else if (other.signum() < 0) + NegativeInfinity + else + this + } + + override fun plus(other: Float): Decimal { + return this + } + + override fun minus(other: Float): Decimal { + return this + } + + override fun times(other: Float): Decimal { + return if (other == 0f) + Zero + else if (other < 0f) + NegativeInfinity + else + PositiveInfinity + } + + override fun div(other: Float): Decimal { + return if (other == 0f) + throw ArithmeticException("Attempt to divide positive infinity by zero") + else if (other < 0f) + NegativeInfinity + else + PositiveInfinity + } + + override fun plus(other: Double): Decimal { + return this + } + + override fun minus(other: Double): Decimal { + return this + } + + override fun times(other: Double): Decimal { + return if (other == 0.0) + Zero + else if (other < 0.0) + NegativeInfinity + else + PositiveInfinity + } + + override fun div(other: Double): Decimal { + return if (other == 0.0) + throw ArithmeticException("Attempt to divide positive infinity by zero") + else if (other < 0.0) + NegativeInfinity + else + PositiveInfinity + } + + override fun plus(other: Int): Decimal { + return this + } + + override fun minus(other: Int): Decimal { + return this + } + + override fun times(other: Int): Decimal { + return if (other == 0) + Zero + else if (other < 0) + NegativeInfinity + else + PositiveInfinity + } + + override fun div(other: Int): Decimal { + return if (other == 0) + throw ArithmeticException("Attempt to divide positive infinity by zero") + else if (other < 0) + NegativeInfinity + else + PositiveInfinity + } + + override fun plus(other: Long): Decimal { + return this + } + + override fun minus(other: Long): Decimal { + return this + } + + override fun times(other: Long): Decimal { + return if (other == 0L) + Zero + else if (other < 0L) + NegativeInfinity + else + PositiveInfinity + } + + override fun div(other: Long): Decimal { + return if (other == 0L) + throw ArithmeticException("Attempt to divide positive infinity by zero") + else if (other < 0L) + NegativeInfinity + else + PositiveInfinity + } + + override fun plus(other: BigInteger): Decimal { + return this + } + + override fun minus(other: BigInteger): Decimal { + return this + } + + override fun times(other: BigInteger): Decimal { + return if (other.signum() == 0) + Zero + else if (other.signum() < 0) + NegativeInfinity + else + PositiveInfinity + } + + override fun div(other: BigInteger): Decimal { + return if (other.signum() == 0) + throw ArithmeticException("Attempt to divide positive infinity by zero") + else if (other.signum() < 0) + NegativeInfinity + else + PositiveInfinity + } + + override fun unaryMinus(): Decimal { + return NegativeInfinity + } + + override fun signum(): Int { + return 1 + } + + override fun toByteArray(): ByteArray { + return byteArrayOf(TYPE_POSITIVE_INFINITY) + } + + override fun floor(): Decimal { + return this + } + + override fun toString(decimals: Int): String { + return "+Infinity" + } + + override fun toBigDecmial(): BigDecimal { + throw UnsupportedOperationException("Unable to construct BigDecimal of positive infinity") + } + } + + private object NegativeInfinity : Decimal() { + private fun readResolve(): Any = NegativeInfinity + + override val isInfinite: Boolean + get() = true + override val isFinite: Boolean + get() = false + + override fun compareTo(other: Decimal): Int { + return if (other === this) 0 else -1 + } + + override fun toByte(): Byte { + return Byte.MIN_VALUE + } + + override fun toDouble(): Double { + return Double.NEGATIVE_INFINITY + } + + override fun toFloat(): Float { + return Float.NEGATIVE_INFINITY + } + + override fun toInt(): Int { + return Int.MIN_VALUE + } + + override fun toLong(): Long { + return Long.MIN_VALUE + } + + override fun toShort(): Short { + return Short.MIN_VALUE + } + + override val whole: BigInteger + get() = throw UnsupportedOperationException("Attempt to get whole part of negative infinity") + override val fractional: BigInteger + get() = throw UnsupportedOperationException("Attempt to get fractional part of negative infinity") + + override fun plus(other: Decimal): Decimal { + return this + } + + override fun minus(other: Decimal): Decimal { + return this + } + + override fun times(other: Decimal): Decimal { + return if (other.signum() == 0) + Zero + else if (other.signum() < 0) + PositiveInfinity + else + this + } + + override fun div(other: Decimal): Decimal { + return if (other.signum() == 0) + throw ArithmeticException("Attempt to divide negative infinity by zero") + else if (other === this) + throw ArithmeticException("Dividing negative infinity by itself is undefined") + else if (other === PositiveInfinity) + throw ArithmeticException("Dividing negative infinity by positive infinity is undefined") + else if (other.signum() < 0) + PositiveInfinity + else + this + } + + override fun rem(other: Decimal): Decimal { + return if (other.signum() == 0) + throw ArithmeticException("Attempt to remainder divide negative infinity by zero") + else if (other.signum() < 0) + PositiveInfinity + else + this + } + + override fun plus(other: Float): Decimal { + return this + } + + override fun minus(other: Float): Decimal { + return this + } + + override fun times(other: Float): Decimal { + return if (other == 0f) + Zero + else if (other < 0f) + PositiveInfinity + else + this + } + + override fun div(other: Float): Decimal { + return if (other == 0f) + throw ArithmeticException("Attempt to divide negative negative by zero") + else if (other < 0f) + PositiveInfinity + else + this + } + + override fun plus(other: Double): Decimal { + return this + } + + override fun minus(other: Double): Decimal { + return this + } + + override fun times(other: Double): Decimal { + return if (other == 0.0) + Zero + else if (other < 0.0) + PositiveInfinity + else + this + } + + override fun div(other: Double): Decimal { + return if (other == 0.0) + throw ArithmeticException("Attempt to divide negative infinity by zero") + else if (other < 0.0) + PositiveInfinity + else + this + } + + override fun plus(other: Int): Decimal { + return this + } + + override fun minus(other: Int): Decimal { + return this + } + + override fun times(other: Int): Decimal { + return if (other == 0) + Zero + else if (other < 0) + PositiveInfinity + else + this + } + + override fun div(other: Int): Decimal { + return if (other == 0) + throw ArithmeticException("Attempt to divide negative infinity by zero") + else if (other < 0) + PositiveInfinity + else + this + } + + override fun plus(other: Long): Decimal { + return this + } + + override fun minus(other: Long): Decimal { + return this + } + + override fun times(other: Long): Decimal { + return if (other == 0L) + Zero + else if (other < 0L) + PositiveInfinity + else + this + } + + override fun div(other: Long): Decimal { + return if (other == 0L) + throw ArithmeticException("Attempt to divide negative infinity by zero") + else if (other < 0L) + PositiveInfinity + else + this + } + + override fun plus(other: BigInteger): Decimal { + return this + } + + override fun minus(other: BigInteger): Decimal { + return this + } + + override fun times(other: BigInteger): Decimal { + return if (other.signum() == 0) + Zero + else if (other.signum() < 0) + PositiveInfinity + else + this + } + + override fun div(other: BigInteger): Decimal { + return if (other.signum() == 0) + throw ArithmeticException("Attempt to divide negative infinity by zero") + else if (other.signum() < 0) + PositiveInfinity + else + this + } + + override fun unaryMinus(): Decimal { + return PositiveInfinity + } + + override fun signum(): Int { + return -1 + } + + override fun toByteArray(): ByteArray { + return byteArrayOf(TYPE_NEGATIVE_INFINITY) + } + + override fun floor(): Decimal { + return this + } + + override fun toString(decimals: Int): String { + return "-Infinity" + } + + override fun toBigDecmial(): BigDecimal { + throw UnsupportedOperationException("Unable to construct BigDecimal of negative infinity") + } + } + + private object Zero : Decimal() { + private fun readResolve(): Any = Zero + + override val isInfinite: Boolean + get() = false + override val isFinite: Boolean + get() = true + + override fun compareTo(other: Decimal): Int { + return -other.signum() + } + + override fun toByte(): Byte { + return 0 + } + + override fun toDouble(): Double { + return 0.0 + } + + override fun toFloat(): Float { + return 0f + } + + override fun toInt(): Int { + return 0 + } + + override fun toLong(): Long { + return 0L + } + + override fun toShort(): Short { + return 0 + } + + override val whole: BigInteger + get() = BigInteger.ZERO + override val fractional: BigInteger + get() = BigInteger.ZERO + + override fun plus(other: Decimal): Decimal { + return other + } + + override fun minus(other: Decimal): Decimal { + return -other + } + + override fun times(other: Decimal): Decimal { + return this + } + + override fun div(other: Decimal): Decimal { + if (other === this) + throw ArithmeticException("0 / 0") + else + return this + } + + override fun rem(other: Decimal): Decimal { + if (other === this) + throw ArithmeticException("0 % 0") + else + return this + } + + override fun plus(other: Float): Decimal { + return valueOf(other) + } + + override fun minus(other: Float): Decimal { + return valueOf(-other) + } + + override fun times(other: Float): Decimal { + return this + } + + override fun div(other: Float): Decimal { + if (other == 0f) + throw ArithmeticException("0 / 0") + + return this + } + + override fun plus(other: Double): Decimal { + return valueOf(other) + } + + override fun minus(other: Double): Decimal { + return valueOf(-other) + } + + override fun times(other: Double): Decimal { + return this + } + + override fun div(other: Double): Decimal { + if (other == 0.0) + throw ArithmeticException("0 / 0") + + return this + } + + override fun plus(other: Int): Decimal { + return valueOf(other) + } + + override fun minus(other: Int): Decimal { + return valueOf(-other) + } + + override fun times(other: Int): Decimal { + return this + } + + override fun div(other: Int): Decimal { + if (other == 0) + throw ArithmeticException("0 / 0") + + return this + } + + override fun plus(other: Long): Decimal { + return valueOf(other) + } + + override fun minus(other: Long): Decimal { + return valueOf(-other) + } + + override fun times(other: Long): Decimal { + return this + } + + override fun div(other: Long): Decimal { + if (other == 0L) + throw ArithmeticException("0 / 0") + + return this + } + + override fun plus(other: BigInteger): Decimal { + return valueOf(other) + } + + override fun minus(other: BigInteger): Decimal { + return valueOf(-other) + } + + override fun times(other: BigInteger): Decimal { + return this + } + + override fun div(other: BigInteger): Decimal { + if (other == BigInteger.ZERO) + throw ArithmeticException("0 / 0") + + return this + } + + override fun unaryMinus(): Decimal { + return this + } + + override fun signum(): Int { + return 0 + } + + override fun toByteArray(): ByteArray { + return byteArrayOf(TYPE_ZERO) + } + + override fun floor(): Decimal { + return this + } + + override fun toString(decimals: Int): String { + if (decimals == 0) + return "0" + else if (decimals < 0) + return "0.0" + else + return "0." + "0".repeat(decimals) + } + + override fun toBigDecmial(): BigDecimal { + return BigDecimal.ZERO + } + } + + @Suppress("unused") + companion object { + /** + * Amount of digits after fixed point, in 10 radix + */ + const val PRECISION = 11 + + const val TYPE_ZERO: Byte = 0 + const val TYPE_NORMAL: Byte = 1 + const val TYPE_POSITIVE_INFINITY: Byte = 2 + const val TYPE_NEGATIVE_INFINITY: Byte = 3 + + @JvmField + val PRECISION_POW_BI: BigInteger = BigInteger("1" + "0".repeat(PRECISION)) + @JvmField + val PRECISION_DOUBLE = PRECISION_POW_BI.toDouble() + @JvmField + val PRECISION_FLOAT = PRECISION_POW_BI.toFloat() + @JvmField + val PRECISION_POW_BI_NEGATIVE: BigInteger = -PRECISION_POW_BI + @JvmField + val PRECISION_POW_BI_HIGH: BigInteger = PRECISION_POW_BI / BigInteger.TWO + + private const val cacheSize = 16384 + private const val cacheSizeL = cacheSize.toLong() + + private val cache = Array(cacheSize) { Regular(BigInteger.valueOf(it.toLong() - cacheSize / 2)) } + + init { + check(cache[cacheSize / 2].signum() == 0) + cache[cacheSize / 2] = Zero + } + + /** + * Returns pooled value if present, otherwise constructs new object + */ + @JvmStatic + fun valueOf(value: Int): Decimal { + if (value in (cacheSize / -2) until cacheSize / 2) { + return cache[value + cacheSize / 2] + } + + return Regular(BigInteger.valueOf(value.toLong())) + } + + /** + * Returns pooled value if present, otherwise constructs new object + */ + @JvmStatic + fun valueOf(value: Long): Decimal { + if (value in (cacheSizeL / -2L) until cacheSizeL / 2L) { + return cache[value.toInt() + cacheSize / 2] + } + + return Regular(BigInteger.valueOf(value)) + } + + /** + * Returns pooled value if present, otherwise constructs new object + */ + @JvmStatic + fun valueOf(value: Short) = valueOf(value.toInt()) + + /** + * Returns pooled value if present, otherwise constructs new object + */ + @JvmStatic + fun valueOf(value: Byte) = valueOf(value.toInt()) + + @JvmStatic fun valueOf(value: BigInteger): Decimal { + return if (value.signum() == 0) { + Zero + } else { + Regular(value) + } + } + + @JvmStatic fun valueOf(value: BigDecimal): Decimal { + return if (value.signum() == 0) { + Zero + } else { + Regular(value) + } + } + + @JvmStatic fun valueOf(value: String): Decimal { + if (value == "0") { + return Zero + } else { + val lower = value.lowercase() + + // why not + if (lower.startsWith("+inf") || lower.startsWith("inf") || lower == "∞" || lower == "+∞") { + return PositiveInfinity + } else if (lower.startsWith("-inf") || lower == "-∞") { + return NegativeInfinity + } else { + val result = Regular(value) + if (result.signum() == 0) return Zero + return result + } + } + } + + @JvmStatic fun valueOf(value: Float): Decimal { + return if (value == 0f) { + Zero + } else if (value == Float.POSITIVE_INFINITY) { + PositiveInfinity + } else if (value == Float.NEGATIVE_INFINITY) { + NegativeInfinity + } else { + Regular(value) + } + } + + @JvmStatic fun valueOf(value: Double): Decimal { + return if (value == 0.0) { + Zero + } else if (value == Double.POSITIVE_INFINITY) { + PositiveInfinity + } else if (value == Double.NEGATIVE_INFINITY) { + NegativeInfinity + } else { + Regular(value) + } + } + + @JvmStatic + fun fromByteArray(input: ByteArray): Decimal { + return if (input.isEmpty()) { + Zero + } else { + return when (input[0]) { + TYPE_NORMAL -> raw(BigInteger(input.copyOfRange(1, input.size))) + TYPE_NEGATIVE_INFINITY -> if (input.size == 1) NegativeInfinity else Zero + TYPE_POSITIVE_INFINITY -> if (input.size == 1) PositiveInfinity else Zero + // TYPE_ZERO -> Zero + else -> Zero + } + } + } + + /** + * Takes in [value] as-is and constructs [Decimal] out of it ([value] is treated as already scaled by [PRECISION]) + */ + @JvmStatic + fun raw(value: BigInteger): Decimal { + return if (value.signum() == 0) { + Zero + } else { + Regular(value, null) + } + } + + @JvmField val POSITIVE_INFINITY: Decimal = PositiveInfinity + @JvmField val NEGATIVE_INFINITY: Decimal = NegativeInfinity + @JvmField val ZERO: Decimal = Zero + @JvmField val ONE = valueOf(1) + @JvmField val TWO = valueOf(2) + @JvmField val TEN = valueOf(10) + @JvmField val MINUS_ONE = valueOf(-1) + @JvmField val MINUS_TWO = valueOf(-2) + @JvmField val MINUS_TEN = valueOf(-10) + @JvmField val ONE_TENTH = valueOf("0.1") + @JvmField val ONE_QUARTER = valueOf("0.25") + @JvmField val ONE_EIGHTH = valueOf("0.125") + @JvmField val ONE_HALF = valueOf("0.5") + @JvmField val MINUS_ONE_TENTH = valueOf("-0.1") + @JvmField val MINUS_ONE_EIGHTH = valueOf("-0.125") + @JvmField val MINUS_ONE_QUARTER = valueOf("-0.25") + @JvmField val MINUS_ONE_HALF = valueOf("-0.5") + + @JvmField val INT_MAX_VALUE: Decimal = Regular(BI_INT_MAX) + @JvmField val INT_MIN_VALUE: Decimal = Regular(BI_INT_MIN) + @JvmField val LONG_MAX_VALUE: Decimal = Regular(BI_LONG_MAX) + @JvmField val LONG_MIN_VALUE: Decimal = Regular(BI_LONG_MIN) + + @JvmField val FLOAT_MAX_VALUE: Decimal = Regular(BI_FLOAT_MAX) + @JvmField val FLOAT_MIN_VALUE: Decimal = Regular(BI_FLOAT_MIN) + @JvmField val DOUBLE_MAX_VALUE: Decimal = Regular(BI_DOUBLE_MAX) + @JvmField val DOUBLE_MIN_VALUE: Decimal = Regular(BI_DOUBLE_MIN) + } +} + +fun Float.toDecimal() = Decimal(this) +fun Double.toDecimal() = Decimal(this) +fun Int.toDecimal() = Decimal(this) +fun Byte.toDecimal() = Decimal(this) +fun Short.toDecimal() = Decimal(this) +fun Long.toDecimal() = Decimal(this) +fun Decimal.toDecimal() = this diff --git a/math/src/main/kotlin/ru/dbotthepony/kommons/math/HSVColor.kt b/math/src/main/kotlin/ru/dbotthepony/kommons/math/HSVColor.kt new file mode 100644 index 0000000..e8ca0b1 --- /dev/null +++ b/math/src/main/kotlin/ru/dbotthepony/kommons/math/HSVColor.kt @@ -0,0 +1,53 @@ +package ru.dbotthepony.kommons.math + +class HSVColor(hue: Float, saturation: Float, value: Float) : Comparable { + val hue = (hue % 360f).let { if (it < 0f) it + 360f else it } + val saturation = saturation.coerceIn(0f, 1f) + val value = value.coerceIn(0f, 1f) + + override fun equals(other: Any?): Boolean { + return other === this || other is HSVColor && other.hue == hue && other.saturation == saturation && other.value == value + } + + override fun hashCode(): Int { + return hue.hashCode() + saturation.hashCode() * 31 + value.hashCode() * 31 * 31 + } + + fun copy(hue: Float = this.hue, saturation: Float = this.saturation, value: Float = this.value): HSVColor { + return HSVColor(hue, saturation, value) + } + + operator fun component1() = hue + operator fun component2() = saturation + operator fun component3() = value + + fun toRGBA(alpha: Float = 1f): RGBAColor { + val valueMin = (1f - saturation) * value + val delta = (value - valueMin) * (hue % 60f) / 60f + val valueInc = valueMin + delta + val valueDec = value - delta + + return when ((hue / 60f).toInt()) { + 0 -> RGBAColor(value, valueInc, valueMin, alpha) + 1 -> RGBAColor(valueDec, value, valueMin, alpha) + 2 -> RGBAColor(valueMin, value, valueInc, alpha) + 3 -> RGBAColor(valueMin, valueDec, value, alpha) + 4 -> RGBAColor(valueInc, valueMin, value, alpha) + 5 -> RGBAColor(value, valueMin, valueDec, alpha) + else -> throw IllegalStateException("whut") + } + } + + override fun compareTo(other: HSVColor): Int { + return comparator.compare(this, other) + } + + companion object { + @JvmField val WHITE = HSVColor(0f, 1f, 1f) + + private val comparator = Comparator + .comparing(HSVColor::hue) + .thenComparing(HSVColor::saturation) + .thenComparing(HSVColor::value) + } +} diff --git a/math/src/main/kotlin/ru/dbotthepony/kommons/math/RGBAColor.kt b/math/src/main/kotlin/ru/dbotthepony/kommons/math/RGBAColor.kt new file mode 100644 index 0000000..0282101 --- /dev/null +++ b/math/src/main/kotlin/ru/dbotthepony/kommons/math/RGBAColor.kt @@ -0,0 +1,299 @@ +package ru.dbotthepony.kommons.math + +import kotlin.math.roundToInt + +private fun hex(value: Int): String { + require(value in 0 .. 255) + val v = value.toString(16) + + if (v.length == 1) + return "0$v" + else + return v +} + +class RGBAColor(red: Float, green: Float, blue: Float, alpha: Float = 1f) : Comparable { + constructor(r: Int, g: Int, b: Int) : this((r / 255f), (g / 255f), (b / 255f), 1f) + constructor(r: Int, g: Int, b: Int, a: Int) : this((r / 255f), (g / 255f), (b / 255f), (a / 255f)) + constructor(r: Int, g: Int, b: Int, a: Float) : this((r / 255f), (g / 255f), (b / 255f), a) + + val red = red.coerceIn(0f, 1f) + val green = green.coerceIn(0f, 1f) + val blue = blue.coerceIn(0f, 1f) + val alpha = alpha.coerceIn(0f, 1f) + + val redInt get() = (red * 255f).roundToInt() + val greenInt get() = (green * 255f).roundToInt() + val blueInt get() = (blue * 255f).roundToInt() + val alphaInt get() = (alpha * 255f).roundToInt() + + fun toRGBA(): Int { + return (redInt shl 24) or (greenInt shl 16) or (blueInt shl 8) or alphaInt + } + + fun toARGB(): Int { + return (alphaInt shl 24) or (redInt shl 16) or (greenInt shl 8) or blueInt + } + + fun toBGRA(): Int { + return (blueInt shl 24) or (greenInt shl 16) or (redInt shl 8) or alphaInt + } + + val isFullyTransparent get() = alpha <= 0f + val isWhite: Boolean get() = red >= 1f && green >= 1f && blue >= 1f && alpha >= 1f + + fun canRepresentHue(): Boolean { + val min = red.coerceAtMost(green).coerceAtMost(blue) + val max = red.coerceAtLeast(green).coerceAtLeast(blue) + return min != max + } + + fun hue(ifNoHue: Float = 0f): Float { + val min = red.coerceAtMost(green).coerceAtMost(blue) + val max = red.coerceAtLeast(green).coerceAtLeast(blue) + + if (min == max) { + return ifNoHue + } + + val diff = max - min + + return if (max == red && green >= blue) { + 60f * (green - blue) / diff + } else if (max == red) { + 60f * (green - blue) / diff + 360f + } else if (max == green) { + 60f * (blue - red) / diff + 120f + } else if (max == blue) { + 60f * (red - green) / diff + 240f + } else { + throw IllegalStateException("Whut $red $green $blue ($min / $max)") + } + } + + fun toHSV(): HSVColor { + val min = red.coerceAtMost(green).coerceAtMost(blue) + val max = red.coerceAtLeast(green).coerceAtLeast(blue) + + if (min == max) { + return HSVColor(0f, if (max == 0f) 0f else 1f - min / max, max) + } + + val diff = max - min + + val hue = if (max == red && green >= blue) { + 60f * (green - blue) / diff + } else if (max == red) { + 60f * (green - blue) / diff + 360f + } else if (max == green) { + 60f * (blue - red) / diff + 120f + } else if (max == blue) { + 60f * (red - green) / diff + 240f + } else { + throw IllegalStateException("Whut $red $green $blue ($min / $max)") + } + + return HSVColor(hue, 1f - min / max, max) + } + + fun toHexStringRGB(): String { + return "#${hex(redInt)}${hex(greenInt)}${hex(blueInt)}" + } + + fun toHexStringRGBA(): String { + return "#${hex(redInt)}${hex(greenInt)}${hex(blueInt)}${hex(alphaInt)}" + } + + fun toHexStringARGB(): String { + return "#${hex(alphaInt)}${hex(redInt)}${hex(greenInt)}${hex(blueInt)}" + } + + override fun toString(): String { + return "RGBAColor[$red $green $blue $alpha]" + } + + operator fun component1() = red + operator fun component2() = green + operator fun component3() = blue + operator fun component4() = alpha + + fun toIntInv(): Int { + return (blueInt shl 16) or (greenInt shl 8) or redInt + } + + fun toRGB(): Int { + return (redInt shl 16) or (greenInt shl 8) or blueInt + } + + fun copy(red: Float = this.red, green: Float = this.green, blue: Float = this.blue, alpha: Float = this.alpha): RGBAColor { + return RGBAColor(red, green, blue, alpha) + } + + override fun compareTo(other: RGBAColor): Int { + if (canRepresentHue() && other.canRepresentHue()) + return hue().compareTo(other.hue()).let { + if (it != 0) + it + else + toHSV().compareTo(other.toHSV()) + } + + return comparator.compare(this, other) + } + + override fun equals(other: Any?): Boolean { + return other === this || other is RGBAColor && comparator.compare(this, other) == 0 + } + + override fun hashCode(): Int { + return red.hashCode() + green.hashCode() * 31 + blue.hashCode() * 31 * 31 + alpha.hashCode() * 31 * 31 * 31 + } + + /*fun linearInterpolation(t: Float, other: RGBAColor, interpolateAlpha: Boolean = true): RGBAColor { + return RGBAColor( + linearInterpolation(t, red, other.red), + linearInterpolation(t, green, other.green), + linearInterpolation(t, blue, other.blue), + if (interpolateAlpha) linearInterpolation(t, alpha, other.alpha) else alpha, + ) + }*/ + + operator fun times(other: RGBAColor): RGBAColor { + if (isWhite) + return other + else if (other.isWhite) + return this + + return RGBAColor(red * other.red, green * other.green, blue * other.blue, alpha * other.alpha) + } + + @Suppress("unused") + companion object { + private val comparator = Comparator + .comparing(RGBAColor::red) + .thenComparing(RGBAColor::green) + .thenComparing(RGBAColor::blue) + .thenComparing(RGBAColor::alpha) + + @JvmField val TRANSPARENT_BLACK = RGBAColor(0f, 0f, 0f, 0f) + @JvmField val TRANSPARENT_WHITE = RGBAColor(1f, 1f, 1f, 0f) + + @JvmField val BLACK = RGBAColor(0f, 0f, 0f) + @JvmField val WHITE = RGBAColor(1f, 1f, 1f) + @JvmField val RED = RGBAColor(1f, 0f, 0f) + @JvmField val GREEN = RGBAColor(0f, 1f, 0f) + @JvmField val LIGHT_GREEN = RGBAColor(136, 255, 124) + @JvmField val SLATE_GRAY = RGBAColor(64, 64, 64) + @JvmField val GRAY = rgb(0x2C2C2CL) + @JvmField val LIGHT_GRAY = rgb(0x7F7F7FL) + @JvmField val HEADING_TEXT = rgb(0x404040L) + + @JvmField val LOW_POWER = RGBAColor(173, 41, 41) + @JvmField val FULL_POWER = RGBAColor(255, 242, 40) + @JvmField val LOW_MATTER = RGBAColor(0, 24, 148) + @JvmField val FULL_MATTER = RGBAColor(72, 90, 255) + @JvmField val LOW_PATTERNS = RGBAColor(44, 104, 57) + @JvmField val FULL_PATTERNS = RGBAColor(65, 255, 87) + + @JvmField val HALF_TRANSPARENT = RGBAColor(1f, 1f, 1f, 0.5f) + @JvmField val REDDISH = RGBAColor(1f, 0.4f, 0.4f) + + fun rgb(color: Int): RGBAColor { + val r = (color and 0xFF0000 ushr 16) / 255f + val g = (color and 0xFF00 ushr 8) / 255f + val b = (color and 0xFF) / 255f + return RGBAColor(r, g, b) + } + + fun rgb(color: Long): RGBAColor { + val r = (color and 0xFF0000 ushr 16) / 255f + val g = (color and 0xFF00 ushr 8) / 255f + val b = (color and 0xFF) / 255f + return RGBAColor(r, g, b) + } + + fun bgr(color: Int): RGBAColor { + val r = (color and 0xFF0000 ushr 16) / 255f + val g = (color and 0xFF00 ushr 8) / 255f + val b = (color and 0xFF) / 255f + return RGBAColor(b, g, r) + } + + fun bgr(color: Long): RGBAColor { + val r = (color and 0xFF0000 ushr 16) / 255f + val g = (color and 0xFF00 ushr 8) / 255f + val b = (color and 0xFF) / 255f + return RGBAColor(b, g, r) + } + + fun abgr(color: Int): RGBAColor { + val r = (color and -0x1000000 ushr 24) / 255f + val g = (color and 0xFF0000 ushr 16) / 255f + val b = (color and 0xFF00 ushr 8) / 255f + val a = (color and 0xFF) / 255f + return RGBAColor(a, b, g, r) + } + + fun argb(color: Int): RGBAColor { + val a = (color and -0x1000000 ushr 24) / 255f + val r = (color and 0xFF0000 ushr 16) / 255f + val g = (color and 0xFF00 ushr 8) / 255f + val b = (color and 0xFF) / 255f + return RGBAColor(r, g, b, a) + } + + private val hexChars = HashSet() + + init { + "#0123456789abcdefABCDEF".forEach { hexChars.add(it) } + } + + fun isHexCharacter(char: Char): Boolean { + return char in hexChars + } + + private val shorthandRGBHex = Regex("#?([0-9abcdef])([0-9abcdef])([0-9abcdef])", RegexOption.IGNORE_CASE) + private val longhandRGBHex = Regex("#?([0-9abcdef]{2})([0-9abcdef]{2})([0-9abcdef]{2})", RegexOption.IGNORE_CASE) + + private val shorthandRGBAHex = Regex("#?([0-9abcdef])([0-9abcdef])([0-9abcdef])([0-9abcdef])", RegexOption.IGNORE_CASE) + private val longhandRGBAHex = Regex("#?([0-9abcdef]{2})([0-9abcdef]{2})([0-9abcdef]{2})([0-9abcdef]{2})", RegexOption.IGNORE_CASE) + + fun fromHexStringRGB(value: String): RGBAColor? { + if (value.length == 3 || value.length == 4) { + val match = shorthandRGBHex.find(value) ?: return null + val red = match.groupValues[1].toIntOrNull(16) ?: return null + val green = match.groupValues[2].toIntOrNull(16) ?: return null + val blue = match.groupValues[3].toIntOrNull(16) ?: return null + return RGBAColor(red * 16, green * 16, blue * 16) + } else if (value.length == 6 || value.length == 7) { + val match = longhandRGBHex.find(value) ?: return null + val red = match.groupValues[1].toIntOrNull(16) ?: return null + val green = match.groupValues[2].toIntOrNull(16) ?: return null + val blue = match.groupValues[3].toIntOrNull(16) ?: return null + return RGBAColor(red, green, blue) + } else { + return null + } + } + + fun fromHexStringRGBA(value: String): RGBAColor? { + if (value.length == 4 || value.length == 5) { + val match = shorthandRGBAHex.find(value) ?: return null + val red = match.groupValues[1].toIntOrNull(16) ?: return null + val green = match.groupValues[2].toIntOrNull(16) ?: return null + val blue = match.groupValues[3].toIntOrNull(16) ?: return null + val alpha = match.groupValues[4].toIntOrNull(16) ?: return null + return RGBAColor(red * 16, green * 16, blue * 16, alpha * 16) + } else if (value.length == 8 || value.length == 9) { + val match = longhandRGBAHex.find(value) ?: return null + val red = match.groupValues[1].toIntOrNull(16) ?: return null + val green = match.groupValues[2].toIntOrNull(16) ?: return null + val blue = match.groupValues[3].toIntOrNull(16) ?: return null + val alpha = match.groupValues[4].toIntOrNull(16) ?: return null + return RGBAColor(red, green, blue, alpha) + } else { + return null + } + } + } +} diff --git a/networking/build.gradle.kts b/networking/build.gradle.kts new file mode 100644 index 0000000..2baf89b --- /dev/null +++ b/networking/build.gradle.kts @@ -0,0 +1,47 @@ + +plugins { + kotlin("jvm") + `maven-publish` +} + +val networkingVersion: String by project +val projectGroup: String by project + +group = projectGroup +version = networkingVersion + +repositories { + mavenCentral() +} + +dependencies { + testImplementation("org.jetbrains.kotlin:kotlin-test") + implementation(project(":core")) + implementation(project(":io")) + implementation(project(":collect")) +} + +tasks.test { + useJUnitPlatform() +} + +kotlin { + jvmToolchain(17) +} + +publishing { + publications { + create("mavenJava") { + from(components["java"]) + + pom { + dependencies { + implementation(kotlin("stdlib")) + implementation(project(":core")) + implementation(project(":io")) + implementation(project(":collect")) + } + } + } + } +} diff --git a/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/ChangesetAction.kt b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/ChangesetAction.kt new file mode 100644 index 0000000..341ce4e --- /dev/null +++ b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/ChangesetAction.kt @@ -0,0 +1,5 @@ +package ru.dbotthepony.kommons.networking + +enum class ChangesetAction { + CLEAR, ADD, REMOVE +} diff --git a/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/FieldAccess.kt b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/FieldAccess.kt new file mode 100644 index 0000000..a653bef --- /dev/null +++ b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/FieldAccess.kt @@ -0,0 +1,41 @@ +package ru.dbotthepony.kommons.networking + +interface FieldAccess { + fun read(): V + fun write(value: V) +} + +interface FloatFieldAccess : FieldAccess { + override fun write(value: Float) + @Deprecated("Use type specific method", replaceWith = ReplaceWith("this.readFloat()")) + override fun read() = readFloat() + fun readFloat(): Float +} + +interface DoubleFieldAccess : FieldAccess { + override fun write(value: Double) + @Deprecated("Use type specific method", replaceWith = ReplaceWith("this.readDouble()")) + override fun read() = readDouble() + fun readDouble(): Double +} + +interface IntFieldAccess : FieldAccess { + override fun write(value: Int) + @Deprecated("Use type specific method", replaceWith = ReplaceWith("this.readInt()")) + override fun read() = readInt() + fun readInt(): Int +} + +interface LongFieldAccess : FieldAccess { + override fun write(value: Long) + @Deprecated("Use type specific method", replaceWith = ReplaceWith("this.readLong()")) + override fun read() = readLong() + fun readLong(): Long +} + +interface BooleanFieldAccess : FieldAccess { + override fun write(value: Boolean) + @Deprecated("Use type specific method", replaceWith = ReplaceWith("this.readBoolean()")) + override fun read() = readBoolean() + fun readBoolean(): Boolean +} diff --git a/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/FieldGetter.kt b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/FieldGetter.kt new file mode 100644 index 0000000..36ee42d --- /dev/null +++ b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/FieldGetter.kt @@ -0,0 +1,50 @@ +package ru.dbotthepony.kommons.networking + +fun interface FieldGetter { + fun invoke(field: FieldAccess): V +} + +fun interface FloatFieldGetter : FieldGetter { + fun invoke(field: FloatFieldAccess): Float + + @Deprecated("Use type specific invoke") + override fun invoke(field: FieldAccess): Float { + return invoke(field as FloatFieldAccess) + } +} + +fun interface DoubleFieldGetter : FieldGetter { + fun invoke(field: DoubleFieldAccess): Double + + @Deprecated("Use type specific invoke") + override fun invoke(field: FieldAccess): Double { + return invoke(field as DoubleFieldAccess) + } +} + +fun interface IntFieldGetter : FieldGetter { + fun invoke(field: IntFieldAccess): Int + + @Deprecated("Use type specific invoke") + override fun invoke(field: FieldAccess): Int { + return invoke(field as IntFieldAccess) + } +} + +fun interface LongFieldGetter : FieldGetter { + fun invoke(field: LongFieldAccess): Long + + @Deprecated("Use type specific invoke") + override fun invoke(field: FieldAccess): Long { + return invoke(field as LongFieldAccess) + } +} + +fun interface BooleanFieldGetter : FieldGetter { + fun invoke(field: BooleanFieldAccess): Boolean + + @Deprecated("Use type specific invoke") + override fun invoke(field: FieldAccess): Boolean { + return invoke(field as BooleanFieldAccess) + } +} diff --git a/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/FieldSetter.kt b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/FieldSetter.kt new file mode 100644 index 0000000..4c4b690 --- /dev/null +++ b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/FieldSetter.kt @@ -0,0 +1,50 @@ +package ru.dbotthepony.kommons.networking + +fun interface FieldSetter { + fun invoke(value: V, access: FieldAccess, setByRemote: Boolean) +} + +fun interface FloatFieldSetter : FieldSetter { + fun invoke(value: Float, access: FloatFieldAccess, setByRemote: Boolean) + + @Deprecated("Use type specific invoke") + override fun invoke(value: Float, access: FieldAccess, setByRemote: Boolean) { + invoke(value, access as FloatFieldAccess, setByRemote) + } +} + +fun interface DoubleFieldSetter : FieldSetter { + fun invoke(value: Double, access: DoubleFieldAccess, setByRemote: Boolean) + + @Deprecated("Use type specific invoke") + override fun invoke(value: Double, access: FieldAccess, setByRemote: Boolean) { + invoke(value, access as DoubleFieldAccess, setByRemote) + } +} + +fun interface IntFieldSetter : FieldSetter { + fun invoke(value: Int, access: IntFieldAccess, setByRemote: Boolean) + + @Deprecated("Use type specific invoke") + override fun invoke(value: Int, access: FieldAccess, setByRemote: Boolean) { + invoke(value, access as IntFieldAccess, setByRemote) + } +} + +fun interface LongFieldSetter : FieldSetter { + fun invoke(value: Long, access: LongFieldAccess, setByRemote: Boolean) + + @Deprecated("Use type specific invoke") + override fun invoke(value: Long, access: FieldAccess, setByRemote: Boolean) { + invoke(value, access as LongFieldAccess, setByRemote) + } +} + +fun interface BooleanFieldSetter : FieldSetter { + fun invoke(value: Boolean, access: BooleanFieldAccess, setByRemote: Boolean) + + @Deprecated("Use type specific invoke") + override fun invoke(value: Boolean, access: FieldAccess, setByRemote: Boolean) { + invoke(value, access as BooleanFieldAccess, setByRemote) + } +} diff --git a/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/FieldSynchronizer.kt b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/FieldSynchronizer.kt new file mode 100644 index 0000000..131cd2c --- /dev/null +++ b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/FieldSynchronizer.kt @@ -0,0 +1,2159 @@ +@file:Suppress("DeprecatedCallableAddReplaceWith") + +package ru.dbotthepony.kommons.networking + +import ru.dbotthepony.kommons.collect.ProxiedMap +import ru.dbotthepony.kommons.collect.forValidRefs +import ru.dbotthepony.kommons.event.IBooleanSubscriptable +import ru.dbotthepony.kommons.event.IDoubleSubcripable +import ru.dbotthepony.kommons.event.IFloatSubcripable +import ru.dbotthepony.kommons.event.IIntSubcripable +import ru.dbotthepony.kommons.event.ILongSubcripable +import ru.dbotthepony.kommons.event.ISubscriptable +import ru.dbotthepony.kommons.io.BigDecimalValueCodec +import ru.dbotthepony.kommons.io.BinaryStringCodec +import ru.dbotthepony.kommons.io.ByteValueCodec +import ru.dbotthepony.kommons.io.EnumValueCodec +import ru.dbotthepony.kommons.io.IStreamCodec +import ru.dbotthepony.kommons.io.ShortValueCodec +import ru.dbotthepony.kommons.io.UUIDValueCodec +import ru.dbotthepony.kommons.io.readSignedVarInt +import ru.dbotthepony.kommons.io.readSignedVarLong +import ru.dbotthepony.kommons.io.readVarInt +import ru.dbotthepony.kommons.io.readVarLong +import ru.dbotthepony.kommons.io.writeSignedVarInt +import ru.dbotthepony.kommons.io.writeSignedVarLong +import ru.dbotthepony.kommons.io.writeVarInt +import ru.dbotthepony.kommons.io.writeVarLong +import ru.dbotthepony.kommons.util.BooleanConsumer +import ru.dbotthepony.kommons.util.FloatConsumer +import ru.dbotthepony.kommons.util.FloatSupplier +import java.io.ByteArrayOutputStream +import java.io.DataInputStream +import java.io.DataOutputStream +import java.io.InputStream +import java.lang.ref.WeakReference +import java.math.BigDecimal +import java.util.* +import java.util.function.BooleanSupplier +import java.util.function.Consumer +import java.util.function.DoubleConsumer +import java.util.function.DoubleSupplier +import java.util.function.IntConsumer +import java.util.function.IntSupplier +import java.util.function.LongConsumer +import java.util.function.LongSupplier +import java.util.function.Supplier +import kotlin.collections.LinkedHashSet +import kotlin.reflect.KMutableProperty0 +import kotlin.reflect.KProperty +import kotlin.reflect.KProperty0 + +/** + * Universal, one-to-many value synchronizer, allowing to synchronize values from server to client + * anywhere, where input/output streams are supported + */ +@Suppress("unused", "BlockingMethodInNonBlockingContext") +class FieldSynchronizer(private val callback: Runnable, private val alwaysCallCallback: Boolean) { + constructor() : this(Runnable {}, false) + constructor(callback: Runnable) : this(callback, false) + + private var freeSlots = 0 + // почему не удалять поля напрямую? + // чтоб не возникло проблем в состоянии гонки + // формируем пакет -> удаляем поле по обе стороны -> клиент принимает пакет -> клиент считывает неверные данные + // конечно, всё равно всё сломается если было удалено поле, которое находится в пакете + // но если поля нет в пакете, то всё окей + private val fields = ArrayList?>(0) + private val observers = ArrayList>(0) + + private var nextFieldID = 0 + + val hasObservers: Boolean get() = observers.isNotEmpty() + + var isEmpty: Boolean = true + private set + + val isNotEmpty: Boolean get() = !isEmpty + + var isDirty: Boolean = false + private set(value) { + if (value != field) { + field = value + + if (value && !alwaysCallCallback) { + callback.run() + } + } + + if (alwaysCallCallback && value) { + callback.run() + } + } + + fun markClean() { + isDirty = false + } + + fun computedByte(getter: () -> Byte) = ComputedField(getter, ByteValueCodec) + fun computedBool(getter: BooleanSupplier) = ComputedBooleanField(getter) + fun computedShort(getter: () -> Short) = ComputedField(getter, ShortValueCodec) + fun computedLong(getter: LongSupplier) = ComputedLongField(getter) + fun computedFixedLong(getter: LongSupplier) = ComputedFixedLongField(getter) + fun computedFloat(getter: FloatSupplier) = ComputedFloatField(getter) + fun computedDouble(getter: DoubleSupplier) = ComputedDoubleField(getter) + fun computedUuid(getter: () -> UUID) = ComputedField(getter, UUIDValueCodec) + fun computedInt(getter: IntSupplier) = ComputedIntField(getter) + fun computedFixedInt(getter: IntSupplier) = ComputedFixedIntField(getter) + fun computedBigDecimal(getter: () -> BigDecimal) = ComputedField(getter, BigDecimalValueCodec) + fun computedString(getter: () -> String) = ComputedField(getter, BinaryStringCodec) + + fun computedByte(getter: KProperty0) = ComputedField(getter, ByteValueCodec) + fun computedBool(getter: KProperty0) = ComputedBooleanField(getter::get) + fun computedShort(getter: KProperty0) = ComputedField(getter, ShortValueCodec) + fun computedLong(getter: KProperty0) = ComputedLongField(getter::get) + fun computedFixedLong(getter: KProperty0) = ComputedFixedLongField(getter::get) + fun computedFloat(getter: KProperty0) = ComputedFloatField(getter::get) + fun computedDouble(getter: KProperty0) = ComputedDoubleField(getter::get) + fun computedUuid(getter: KProperty0) = ComputedField(getter, UUIDValueCodec) + fun computedInt(getter: KProperty0) = ComputedIntField(getter::get) + fun computedFixedInt(getter: KProperty0) = ComputedFixedIntField(getter::get) + fun computedBigDecimal(getter: KProperty0) = ComputedField(getter, BigDecimalValueCodec) + fun computedString(getter: KProperty0) = ComputedField(getter, BinaryStringCodec) + + fun computedByte(getter: Supplier) = ComputedField(getter::get, ByteValueCodec) + fun computedBool(getter: Supplier) = ComputedBooleanField(getter::get) + fun computedShort(getter: Supplier) = ComputedField(getter::get, ShortValueCodec) + fun computedLong(getter: Supplier) = ComputedLongField(getter::get) + fun computedFixedLong(getter: Supplier) = ComputedFixedLongField(getter::get) + fun computedFloat(getter: Supplier) = ComputedFloatField(getter::get) + fun computedDouble(getter: Supplier) = ComputedDoubleField(getter::get) + fun computedUuid(getter: Supplier) = ComputedField(getter::get, UUIDValueCodec) + fun computedInt(getter: Supplier) = ComputedIntField(getter::get) + fun computedFixedInt(getter: Supplier) = ComputedFixedIntField(getter::get) + fun computedBigDecimal(getter: Supplier) = ComputedField(getter::get, BigDecimalValueCodec) + fun computedString(getter: Supplier) = ComputedField(getter::get, BinaryStringCodec) + + fun > computedEnum(type: Class, getter: () -> T) = ComputedField(getter, EnumValueCodec(type)) + inline fun > computedEnum(noinline getter: () -> T) = ComputedField(getter, EnumValueCodec(T::class.java)) + + fun > computedEnum(type: Class, getter: KProperty0) = ComputedField(getter, EnumValueCodec(type)) + inline fun > computedEnum(getter: KProperty0) = ComputedField(getter, EnumValueCodec(T::class.java)) + + fun > computedEnum(type: Class, getter: Supplier) = ComputedField(getter::get, EnumValueCodec(type)) + inline fun > computedEnum(getter: Supplier) = ComputedField(getter::get, EnumValueCodec(T::class.java)) + + @JvmOverloads + fun byte( + value: Byte = 0, + getter: FieldGetter? = null, + setter: FieldSetter? = null, + ): Field { + return Field(value, ByteValueCodec, getter, setter) + } + + @JvmOverloads + fun bool( + value: Boolean = false, + getter: BooleanFieldGetter? = null, + setter: BooleanFieldSetter? = null, + ): BooleanField { + return BooleanField(value, getter, setter) + } + + @JvmOverloads + fun short( + value: Short = 0, + getter: FieldGetter? = null, + setter: FieldSetter? = null, + ): Field { + return Field(value, ShortValueCodec, getter, setter) + } + + @JvmOverloads + fun long( + value: Long = 0L, + getter: LongFieldGetter? = null, + setter: LongFieldSetter? = null, + ): LongField { + return LongField(value, getter, setter) + } + + @JvmOverloads + fun fixedLong( + value: Long = 0L, + getter: LongFieldGetter? = null, + setter: LongFieldSetter? = null, + ): FixedLongField { + return FixedLongField(value, getter, setter) + } + + @JvmOverloads + fun float( + value: Float = 0f, + getter: FloatFieldGetter? = null, + setter: FloatFieldSetter? = null, + ): FloatField { + return FloatField(value, getter, setter) + } + + @JvmOverloads + fun double( + value: Double = 0.0, + getter: DoubleFieldGetter? = null, + setter: DoubleFieldSetter? = null, + ): DoubleField { + return DoubleField(value, getter, setter) + } + + @JvmOverloads + fun uuid( + value: UUID = UUID(0L, 0L), + getter: FieldGetter? = null, + setter: FieldSetter? = null, + ): Field { + return Field(value, UUIDValueCodec, getter, setter) + } + + @JvmOverloads + fun int( + value: Int = 0, + getter: IntFieldGetter? = null, + setter: IntFieldSetter? = null, + ): IntField { + return IntField(value, getter, setter) + } + + @JvmOverloads + fun string( + value: String = "", + getter: FieldGetter? = null, + setter: FieldSetter? = null, + ): Field { + return Field(value, BinaryStringCodec, getter, setter) + } + + @JvmOverloads + fun fixedInt( + value: Int = 0, + getter: IntFieldGetter? = null, + setter: IntFieldSetter? = null, + ): FixedIntField { + return FixedIntField(value, getter, setter) + } + + @JvmOverloads + fun bigDecimal( + value: BigDecimal = BigDecimal.ZERO, + getter: FieldGetter? = null, + setter: FieldSetter? = null, + ): Field { + return Field(value, BigDecimalValueCodec, getter, setter) + } + + @JvmOverloads + fun > enum( + type: Class, + value: T = type.enumConstants[0], + getter: FieldGetter? = null, + setter: FieldSetter? = null, + ): Field { + return Field(value, EnumValueCodec(type), getter, setter) + } + + @JvmOverloads + fun > enum( + value: T, + getter: FieldGetter? = null, + setter: FieldSetter? = null, + ): Field { + return Field(value, EnumValueCodec(value::class.java), getter, setter) + } + + private var endpointsMaxCapacity = 1 + private val endpoints = ArrayList>(1) + val defaultEndpoint = Endpoint() + + private var lastEndpointCleanup = System.nanoTime() + + private fun notifyEndpoints(dirtyField: AbstractField<*>) { + isDirty = true + + forEachEndpoint { + it.addDirtyField(dirtyField) + } + } + + private inline fun forEachEndpoint(execute: (Endpoint) -> Unit) { + synchronized(endpoints) { + endpoints.forValidRefs { execute.invoke(it) } + + if (endpoints.size < endpointsMaxCapacity / 2) { + endpoints.trimToSize() + endpointsMaxCapacity = endpoints.size + } + } + } + + inner class Endpoint { + init { + synchronized(endpoints) { + endpoints.add(WeakReference(this)) + endpointsMaxCapacity = endpointsMaxCapacity.coerceAtLeast(endpoints.size) + + if (System.nanoTime() - lastEndpointCleanup <= 60) { + lastEndpointCleanup = System.nanoTime() + + val iterator = endpoints.listIterator() + + for (value in iterator) { + if (value.get() == null) { + iterator.remove() + } + } + + if (endpoints.size < endpointsMaxCapacity / 2) { + endpoints.trimToSize() + endpointsMaxCapacity = endpoints.size + } + } + } + } + + private val dirtyFields = LinkedHashSet>() + + // use LinkedList because it is ensured memory is freed on LinkedList#clear + private val mapBacklogs = IdentityHashMap, LinkedList Unit>>>() + private val setBacklogs = IdentityHashMap, LinkedList Unit>>>() + + var unused: Boolean = false + private set + + fun markUnused() { + require(this === defaultEndpoint) { "This is not a default endpoint" } + if (unused) return + unused = true + mapBacklogs.clear() + dirtyFields.clear() + + val iterator = endpoints.listIterator() + + for (value in iterator) { + if (value.get() === this) { + iterator.remove() + } + } + } + + init { + markDirty() + } + + fun markDirty() { + for (field in fields) { + field?.markDirty(this) + } + } + + internal fun addDirtyField(field: AbstractField<*>) { + if (unused) { + return + } + + dirtyFields.add(field) + } + + internal fun removeDirtyField(field: AbstractField<*>) { + dirtyFields.remove(field) + } + + internal fun getMapBacklog(map: Map): LinkedList Unit>> { + if (unused) { + return LinkedList() + } + + return mapBacklogs.computeIfAbsent(map) { + LinkedList() + } + } + + internal fun removeMapBacklog(map: Map) { + mapBacklogs.remove(map) + } + + internal fun getSetBacklog(set: Set): LinkedList Unit>> { + if (unused) { + return LinkedList() + } + + return setBacklogs.computeIfAbsent(set) { + LinkedList() + } + } + + internal fun removeSetBacklog(set: Set) { + setBacklogs.remove(set) + } + + fun collectNetworkPayload(): ByteArrayOutputStream? { + if (unused || dirtyFields.isEmpty()) { + return null + } + + val stream = ByteArrayOutputStream() + val dataStream = DataOutputStream(stream) + + for (field in dirtyFields) { + stream.writeVarInt(field.id) + field.write(dataStream, this) + } + + dirtyFields.clear() + stream.write(0) + + return stream + } + } + + private val boundEndpoints = WeakHashMap() + + fun computeEndpointFor(obj: Any): Endpoint { + return boundEndpoints.computeIfAbsent(obj) { Endpoint() } + } + + fun removeEndpointFor(obj: Any): Endpoint? { + return boundEndpoints.remove(obj) + } + + fun endpointFor(obj: Any): Endpoint? { + return boundEndpoints[obj] + } + + @Suppress("LeakingThis") + abstract inner class AbstractField : IField { + val id: Int + + init { + if (freeSlots > 0) { + var found = -1 + + for (i in fields.indices) { + if (fields[i] == null) { + fields[i] = this + found = i + 1 + freeSlots-- + break + } + } + + if (found == -1) { + throw RuntimeException("freeSlots = $freeSlots but no null entries in field list!") + } else { + id = found + } + } else { + fields.add(this) + id = fields.size + isEmpty = false + } + } + + final override var isRemoved = false + private set + + protected var isDirty = false + + override fun remove() { + if (isRemoved) + return + + isRemoved = true + freeSlots++ + fields[id - 1] = null + observers.remove(this) + isEmpty = fields.all { it == null } + + while (fields[fields.size - 1] == null) { + fields.removeAt(fields.size - 1) + freeSlots-- + } + + forEachEndpoint { + it.removeDirtyField(this) + } + } + + override fun markDirty(endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + endpoint.addDirtyField(this) + } + + override fun markDirty() { + check(!isRemoved) { "Field was removed" } + notifyEndpoints(this@AbstractField) + isDirty = true + } + } + + /** + * Networked variable with backing field holding immutable value + */ + inner class Field( + private var field: V, + private val codec: IStreamCodec, + private val getter: FieldGetter? = null, + private val setter: FieldSetter? = null, + isObserver: Boolean = false, + ) : AbstractField(), IMutableField { + private var remote: V = codec.copy(field) + private val subs = ISubscriptable.Impl() + + override fun addListener(listener: Consumer): ISubscriptable.L { + return subs.addListener(listener) + } + + init { + if (isObserver) { + observers.add(this) + } + } + + private val access = object : FieldAccess { + override fun read(): V { + return field + } + + override fun write(value: V) { + if (!isDirty && !codec.compare(remote, value)) { + notifyEndpoints(this@Field) + isDirty = true + } + + this@Field.field = value + subs.accept(value) + } + } + + override fun observe(): Boolean { + check(!isRemoved) { "Field was removed" } + + if (!isDirty && !codec.compare(remote, field)) { + notifyEndpoints(this@Field) + isDirty = true + } + + return isDirty + } + + override var value: V + get() { + val getter = this.getter + + if (getter != null) { + return getter.invoke(access) + } + + return this.field + } + set(value) { + val setter = this.setter + + if (setter != null) { + setter.invoke(value, access, false) + } else { + if (!isDirty && !codec.compare(remote, value)) { + notifyEndpoints(this@Field) + isDirty = true + } + + this.field = value + subs.accept(value) + } + } + + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + codec.write(stream, field) + isDirty = false + remote = codec.copy(field) + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + val value = codec.read(stream) + val setter = this.setter + + if (setter != null) { + setter.invoke(value, access, true) + } else { + this.field = value + subs.accept(value) + } + } + } + + abstract inner class PrimitiveField : AbstractField() { + override fun observe(): Boolean { + check(!isRemoved) { "Field was removed" } + return isDirty + } + } + + /** + * Type specific field, storing primitive [Float] directly + */ + inner class FloatField(field: Float, private val getter: FloatFieldGetter? = null, private val setter: FloatFieldSetter? = null) : PrimitiveField(), IMutableFloatField { + private val subs = IFloatSubcripable.Impl() + + override fun addListener(listener: FloatConsumer): ISubscriptable.L { + return subs.addListener(listener) + } + + private var field = field + set(value) { + if (field != value) { + field = value + subs.accept(value) + } + } + + override val property = object : IMutableFloatProperty { + override fun getValue(thisRef: Any?, property: KProperty<*>): Float { + return this@FloatField.float + } + + override fun setValue(thisRef: Any?, property: KProperty<*>, value: Float) { + this@FloatField.float = value + } + } + + private val access = object : FloatFieldAccess { + override fun readFloat(): Float { + return this@FloatField.field + } + + override fun write(value: Float) { + if (!isDirty && value != this@FloatField.field) { + notifyEndpoints(this@FloatField) + isDirty = true + } + + this@FloatField.field = value + } + } + + override var float: Float + get() { + return getter?.invoke(access) ?: this.field + } + set(value) { + val setter = this.setter + + if (setter != null) { + setter.invoke(value, access, false) + } else if (value != this.field) { + if (!isDirty) { + notifyEndpoints(this) + isDirty = true + } + + this.field = value + } + } + + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + stream.writeFloat(this.field) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + val value = stream.readFloat() + val setter = this.setter + + if (setter != null) { + setter.invoke(value, access, true) + } else { + this.field = value + } + } + } + + /** + * Type specific field, storing primitive [Double] directly + */ + inner class DoubleField(field: Double, private val getter: DoubleFieldGetter? = null, private val setter: DoubleFieldSetter? = null) : PrimitiveField(), IMutableDoubleField { + private val subs = IDoubleSubcripable.Impl() + + override fun addListener(listener: DoubleConsumer): ISubscriptable.L { + return subs.addListener(listener) + } + + private var field = field + set(value) { + if (field != value) { + field = value + subs.accept(value) + } + } + + override val property = object : IMutableDoubleProperty { + override fun getValue(thisRef: Any?, property: KProperty<*>): Double { + return this@DoubleField.double + } + + override fun setValue(thisRef: Any?, property: KProperty<*>, value: Double) { + this@DoubleField.double = value + } + } + + private val access = object : DoubleFieldAccess { + override fun readDouble(): Double { + return this@DoubleField.field + } + + override fun write(value: Double) { + if (!isDirty && value != this@DoubleField.field) { + notifyEndpoints(this@DoubleField) + isDirty = true + } + + this@DoubleField.field = value + } + } + + override var double: Double + get() { + return getter?.invoke(access) ?: this.field + } + set(value) { + val setter = this.setter + + if (setter != null) { + setter.invoke(value, access, false) + } else if (value != this.field) { + if (!isDirty) { + notifyEndpoints(this) + isDirty = true + } + + this.field = value + } + } + + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + stream.writeDouble(this.field) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + val value = stream.readDouble() + val setter = this.setter + + if (setter != null) { + setter.invoke(value, access, true) + } else { + this.field = value + } + } + } + + abstract inner class AbstractIntField(field: Int, private val getter: IntFieldGetter? = null, protected val setter: IntFieldSetter? = null) : PrimitiveField(), IMutableIntField { + private val subs = IIntSubcripable.Impl() + + override fun addListener(listener: IntConsumer): ISubscriptable.L { + return subs.addListener(listener) + } + + protected var field = field + set(value) { + if (field != value) { + field = value + subs.accept(value) + } + } + + final override val property = object : IMutableIntProperty { + override fun getValue(thisRef: Any?, property: KProperty<*>): Int { + return this@AbstractIntField.int + } + + override fun setValue(thisRef: Any?, property: KProperty<*>, value: Int) { + this@AbstractIntField.int = value + } + } + + protected val access = object : IntFieldAccess { + override fun readInt(): Int { + return this@AbstractIntField.field + } + + override fun write(value: Int) { + if (!isDirty && value != this@AbstractIntField.field) { + notifyEndpoints(this@AbstractIntField) + isDirty = true + } + + this@AbstractIntField.field = value + } + } + + final override var int: Int + get() { + return getter?.invoke(access) ?: this.field + } + set(value) { + val setter = this.setter + + if (setter != null) { + setter.invoke(value, access, false) + } else if (value != this.field) { + if (!isDirty) { + notifyEndpoints(this) + isDirty = true + } + + this.field = value + } + } + } + + /** + * Type specific field, storing primitive [Int] directly, and networking it as variable length integer + */ + inner class IntField(field: Int, getter: IntFieldGetter? = null, setter: IntFieldSetter? = null) : AbstractIntField(field, getter, setter) { + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + stream.writeVarInt(this.field) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + val value = stream.readVarInt() + val setter = this.setter + + if (setter != null) { + setter.invoke(value, access, true) + } else { + this.field = value + } + } + } + + /** + * Type specific field, storing primitive [Int] directly, and networking it as 4 octets + */ + inner class FixedIntField(field: Int, getter: IntFieldGetter? = null, setter: IntFieldSetter? = null) : AbstractIntField(field, getter, setter) { + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + stream.writeInt(this.field) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + val value = stream.readInt() + val setter = this.setter + + if (setter != null) { + setter.invoke(value, access, true) + } else { + this.field = value + } + } + } + + /** + * Type specific field, storing primitive [Long] directly + */ + abstract inner class AbstractLongField(field: Long, private val getter: LongFieldGetter? = null, protected val setter: LongFieldSetter? = null) : PrimitiveField(), IMutableLongField { + private val subs = ILongSubcripable.Impl() + + override fun addListener(listener: LongConsumer): ISubscriptable.L { + return subs.addListener(listener) + } + + protected var field = field + set(value) { + if (field != value) { + field = value + subs.accept(value) + } + } + + final override val property = object : IMutableLongProperty { + override fun getValue(thisRef: Any?, property: KProperty<*>): Long { + return this@AbstractLongField.long + } + + override fun setValue(thisRef: Any?, property: KProperty<*>, value: Long) { + this@AbstractLongField.long = value + } + } + + protected val access = object : LongFieldAccess { + override fun readLong(): Long { + return this@AbstractLongField.field + } + + override fun write(value: Long) { + if (!isDirty && value != this@AbstractLongField.field) { + notifyEndpoints(this@AbstractLongField) + isDirty = true + } + + this@AbstractLongField.field = value + } + } + + final override var long: Long + get() { + return getter?.invoke(access) ?: this.field + } + set(value) { + val setter = this.setter + + if (setter != null) { + setter.invoke(value, access, false) + } else if (value != this.field) { + if (!isDirty) { + notifyEndpoints(this) + isDirty = true + } + + this.field = value + } + } + } + + /** + * Type specific field, storing primitive [Long] directly, and networking it as variable length integer + */ + inner class LongField(field: Long, getter: LongFieldGetter? = null, setter: LongFieldSetter? = null) : AbstractLongField(field, getter, setter) { + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + stream.writeVarLong(this.field) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + val value = stream.readVarLong() + val setter = this.setter + + if (setter != null) { + setter.invoke(value, access, true) + } else { + this.field = value + } + } + } + + /** + * Type specific field, storing primitive [Long] directly, and networking it as 8 octets + */ + inner class FixedLongField(field: Long, getter: LongFieldGetter? = null, setter: LongFieldSetter? = null) : AbstractLongField(field, getter, setter) { + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + stream.writeLong(this.field) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + val value = stream.readLong() + val setter = this.setter + + if (setter != null) { + setter.invoke(value, access, true) + } else { + this.field = value + } + } + } + + /** + * Type specific field, storing primitive [Boolean] directly + */ + inner class BooleanField(field: Boolean, private val getter: BooleanFieldGetter? = null, private val setter: BooleanFieldSetter? = null) : PrimitiveField(), IMutableBooleanField { + private val subs = IBooleanSubscriptable.Impl() + + override fun addListener(listener: BooleanConsumer): ISubscriptable.L { + return subs.addListener(listener) + } + + private var field = field + set(value) { + if (field != value) { + field = value + subs.accept(value) + } + } + + override val property = object : IMutableBooleanProperty { + override fun getValue(thisRef: Any?, property: KProperty<*>): Boolean { + return this@BooleanField.boolean + } + + override fun setValue(thisRef: Any?, property: KProperty<*>, value: Boolean) { + this@BooleanField.boolean = value + } + } + + private val access = object : BooleanFieldAccess { + override fun readBoolean(): Boolean { + return this@BooleanField.field + } + + override fun write(value: Boolean) { + if (!isDirty && value != this@BooleanField.field) { + notifyEndpoints(this@BooleanField) + isDirty = true + } + + this@BooleanField.field = value + } + } + + override var boolean: Boolean + get() { + return getter?.invoke(access) ?: this.field + } + set(value) { + val setter = this.setter + + if (setter != null) { + setter.invoke(value, access, false) + } else if (value != this.field) { + if (!isDirty) { + notifyEndpoints(this) + isDirty = true + } + + this.field = value + } + } + + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + stream.writeBoolean(this.field) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + val value = stream.readBoolean() + val setter = this.setter + + if (setter != null) { + setter.invoke(value, access, true) + } else { + this.field = value + } + } + } + + /** + * Networked value with backing getter which is constantly polled + */ + inner class ComputedField( + private val getter: () -> V, + private val codec: IStreamCodec, + observer: ((new: V) -> Unit)? = null + ) : AbstractField(), IField { + private var remote: Any? = Mark + private var clientValue: Any? = Mark + private val subs = ISubscriptable.Impl() + + init { + if (observer != null) { + subs.addListener(observer) + } + } + + override fun addListener(listener: Consumer): ISubscriptable.L { + return subs.addListener(listener) + } + + init { + observers.add(this) + } + + override fun observe(): Boolean { + check(!isRemoved) { "Field was removed" } + + val value = value + + if (!isDirty && (remote === Mark || !codec.compare(remote as V, value))) { + notifyEndpoints(this) + isDirty = true + remote = codec.copy(value) + } + + return isDirty + } + + override val value: V + get() { + val clientValue = clientValue + + if (clientValue === Mark) { + return getter.invoke() + } else { + return clientValue as V + } + } + + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + codec.write(stream, value) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + val newValue = codec.read(stream) + clientValue = newValue + subs.accept(newValue) + } + } + + /** + * Networked value with backing getter which is constantly polled + * + * This class has concrete implementation for [Float] primitive + */ + inner class ComputedFloatField(private val getter: FloatSupplier, observer: FloatConsumer? = null) : AbstractField(), IFloatField { + private var remote: Float = 0f + private var isRemoteSet = false + private var clientValue: Float = 0f + private var isClientValue = false + private val subs = IFloatSubcripable.Impl() + + init { + if (observer != null) { + subs.addListener(observer) + } + } + + override fun addListener(listener: FloatConsumer): ISubscriptable.L { + return subs.addListener(listener) + } + + override val property = object : IFloatProperty { + override fun getValue(thisRef: Any?, property: KProperty<*>): Float { + return float + } + } + + init { + observers.add(this) + } + + override fun observe(): Boolean { + check(!isRemoved) { "Field was removed" } + + val value = getter.getAsFloat() + + if (!isDirty && (!isRemoteSet || remote != value)) { + notifyEndpoints(this) + isDirty = true + isRemoteSet = true + remote = value + } + + return isDirty + } + + override fun markDirty() { + check(!isRemoved) { "Field was removed" } + notifyEndpoints(this) + isDirty = true + } + + override val float: Float + get() { + if (isClientValue) { + return clientValue + } else { + return getter.getAsFloat() + } + } + + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + stream.writeFloat(getter.getAsFloat()) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + val newValue = stream.readFloat() + clientValue = newValue + isClientValue = true + subs.accept(newValue) + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun getValue(thisRef: Any?, property: KProperty<*>): Float { + return float + } + } + + /** + * Networked value with backing getter which is constantly polled + * + * This class has concrete implementation for [Double] primitive + */ + inner class ComputedDoubleField(private val getter: DoubleSupplier, observer: DoubleConsumer? = null) : AbstractField(), IDoubleField { + private var remote: Double = 0.0 + private var isRemoteSet = false + private var clientValue: Double = 0.0 + private var isClientValue = false + private val subs = IDoubleSubcripable.Impl() + + init { + if (observer != null) { + subs.addListener(observer) + } + } + + override fun addListener(listener: DoubleConsumer): ISubscriptable.L { + return subs.addListener(listener) + } + + override val property = object : IDoubleProperty { + override fun getValue(thisRef: Any?, property: KProperty<*>): Double { + return double + } + } + + init { + observers.add(this) + } + + override fun observe(): Boolean { + check(!isRemoved) { "Field was removed" } + + val value = getter.asDouble + + if (!isDirty && (!isRemoteSet || remote != value)) { + notifyEndpoints(this) + isDirty = true + isRemoteSet = true + remote = value + } + + return isDirty + } + + override val double: Double + get() { + if (isClientValue) { + return clientValue + } else { + return getter.asDouble + } + } + + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + stream.writeDouble(getter.asDouble) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + val newValue = stream.readDouble() + clientValue = newValue + isClientValue = true + subs.accept(newValue) + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun getValue(thisRef: Any?, property: KProperty<*>): Double { + return double + } + } + + /** + * Networked value with backing getter which is constantly polled + * + * This class has concrete implementation for [Int] primitive + */ + abstract inner class AbstractComputedIntField(protected val getter: IntSupplier, observer: IntConsumer? = null) : AbstractField(), IIntField { + private var remote: Int = 0 + private var isRemoteSet = false + protected var clientValue: Int = 0 + set(value) { + isClientValue = true + + if (field != value) { + field = value + subs.accept(value) + } + } + + protected var isClientValue = false + private val subs = IIntSubcripable.Impl() + + init { + if (observer != null) { + subs.addListener(observer) + } + } + + override fun addListener(listener: IntConsumer): ISubscriptable.L { + return subs.addListener(listener) + } + + final override val property = object : IIntProperty { + override fun getValue(thisRef: Any?, property: KProperty<*>): Int { + return int + } + } + + init { + observers.add(this) + } + + final override fun observe(): Boolean { + check(!isRemoved) { "Field was removed" } + + val value = getter.asInt + + if (!isDirty && (!isRemoteSet || remote != value)) { + notifyEndpoints(this) + isDirty = true + isRemoteSet = true + remote = value + } + + return isDirty + } + + final override val int: Int + get() { + if (isClientValue) { + return clientValue + } else { + return getter.asInt + } + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun getValue(thisRef: Any?, property: KProperty<*>): Int { + return int + } + } + + /** + * Networked value with backing getter which is constantly polled + * + * This class has concrete implementation for [Int] primitive, networking it as variable length integer + */ + inner class ComputedIntField(getter: IntSupplier, observer: IntConsumer = IntConsumer {}) : AbstractComputedIntField(getter, observer) { + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + stream.writeSignedVarInt(getter.asInt) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + clientValue = stream.readSignedVarInt() + } + } + + /** + * Networked value with backing getter which is constantly polled + * + * This class has concrete implementation for [Int] primitive, networking it as 4 octets + */ + inner class ComputedFixedIntField(getter: IntSupplier, observer: IntConsumer = IntConsumer {}) : AbstractComputedIntField(getter, observer) { + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + stream.writeInt(getter.asInt) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + clientValue = stream.readInt() + } + } + + /** + * Networked value with backing getter which is constantly polled + * + * This class has concrete implementation for [Long] primitive + */ + abstract inner class AbstractComputedLongField(protected val getter: LongSupplier, observer: LongConsumer? = null) : AbstractField(), ILongField { + private var remote: Long = 0L + private var isRemoteSet = false + protected var clientValue: Long = 0L + set(value) { + isClientValue = true + + if (field != value) { + field = value + subs.accept(value) + } + } + + protected var isClientValue = false + private val subs = ILongSubcripable.Impl() + + init { + if (observer != null) { + subs.addListener(observer) + } + } + + override fun addListener(listener: LongConsumer): ISubscriptable.L { + return subs.addListener(listener) + } + + final override val property = object : ILongProperty { + override fun getValue(thisRef: Any?, property: KProperty<*>): Long { + return long + } + } + + init { + observers.add(this) + } + + final override fun observe(): Boolean { + check(!isRemoved) { "Field was removed" } + + val value = getter.asLong + + if (!isDirty && (!isRemoteSet || remote != value)) { + notifyEndpoints(this) + isDirty = true + isRemoteSet = true + remote = value + } + + return isDirty + } + + final override val long: Long + get() { + if (isClientValue) { + return clientValue + } else { + return getter.asLong + } + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun getValue(thisRef: Any?, property: KProperty<*>): Long { + return long + } + } + + /** + * Networked value with backing getter which is constantly polled + * + * This class has concrete implementation for [Long] primitive, networking it as variable length integer + */ + inner class ComputedLongField(getter: LongSupplier, observer: LongConsumer = LongConsumer {}) : AbstractComputedLongField(getter, observer) { + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + stream.writeSignedVarLong(getter.asLong) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + clientValue = stream.readSignedVarLong() + } + } + + /** + * Networked value with backing getter which is constantly polled + * + * This class has concrete implementation for [Long] primitive, networking it as 8 octets + */ + inner class ComputedFixedLongField(getter: LongSupplier, observer: LongConsumer = LongConsumer {}) : AbstractComputedLongField(getter, observer) { + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + stream.writeLong(getter.asLong) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + clientValue = stream.readLong() + } + } + + /** + * Networked value with backing getter which is constantly polled + * + * This class has concrete implementation for [Boolean] primitive + */ + inner class ComputedBooleanField(private val getter: BooleanSupplier, observer: BooleanConsumer? = null) : AbstractField(), IBooleanField { + private var remote: Boolean = false + private var isRemoteSet = false + private var clientValue: Boolean = false + private var isClientValue = false + private val subs = IBooleanSubscriptable.Impl() + + init { + if (observer != null) { + subs.addListener(observer) + } + } + + override fun addListener(listener: BooleanConsumer): ISubscriptable.L { + return subs.addListener(listener) + } + + override val property = object : IBooleanProperty { + override fun getValue(thisRef: Any?, property: KProperty<*>): Boolean { + return boolean + } + } + + init { + observers.add(this) + } + + override fun observe(): Boolean { + check(!isRemoved) { "Field was removed" } + + val value = getter.asBoolean + + if (!isDirty && (!isRemoteSet || remote != value)) { + notifyEndpoints(this) + isDirty = true + isRemoteSet = true + remote = value + } + + return isDirty + } + + override val boolean: Boolean + get() { + if (isClientValue) { + return clientValue + } else { + return getter.asBoolean + } + } + + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + stream.writeBoolean(getter.asBoolean) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + val newValue = stream.readBoolean() + clientValue = newValue + isClientValue = true + subs.accept(newValue) + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun getValue(thisRef: Any?, property: KProperty<*>): Boolean { + return boolean + } + } + + /** + * Networked variable with backing field holding mutable value, which is constantly observed for changes + */ + inner class ObservedField : AbstractField, IMutableField { + private val codec: IStreamCodec + private val getter: () -> V + private val setter: (V) -> Unit + private var remote: V + private val subs = ISubscriptable.Impl() + + override fun addListener(listener: Consumer): ISubscriptable.L { + return subs.addListener(listener) + } + + override var value: V + get() = getter.invoke() + set(value) { setter.invoke(value) } + + constructor(field: KMutableProperty0, codec: IStreamCodec) : super() { + this.codec = codec + getter = field::get + setter = field::set + remote = codec.copy(value) + } + + constructor(getter: () -> V, setter: (V) -> Unit, codec: IStreamCodec) : super() { + this.codec = codec + this.getter = getter + this.setter = setter + remote = codec.copy(value) + } + + init { + observers.add(this) + } + + override fun observe(): Boolean { + check(!isRemoved) { "Field was removed" } + + val value = value + + if (!isDirty && !codec.compare(remote, value)) { + notifyEndpoints(this) + isDirty = true + remote = codec.copy(value) + } + + return isDirty + } + + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + codec.write(stream, value) + isDirty = false + } + + override fun read(stream: DataInputStream) { + check(!isRemoved) { "Field was removed" } + this.value = codec.read(stream) + subs.accept(this.value) + } + } + + inner class Set( + private val codec: IStreamCodec, + private val backingSet: MutableSet, + private val callback: ((changes: Collection>) -> Unit)? = null, + ) : AbstractField>(), ISubscriptable> by ISubscriptable.empty() { + private var isRemote = false + + private fun pushBacklog(element: E, action: (DataOutputStream) -> Unit) { + check(!isRemote) { "Field marked as remote" } + + val pair = element to action + + forEachEndpoint { + val list = it.getSetBacklog(this) + val iterator = list.listIterator() + + for (value in iterator) { + if (value.first == element) { + iterator.remove() + } + } + + list.addLast(pair) + } + } + + override fun observe(): Boolean { + return false + } + + override fun remove() { + if (!isRemoved) { + forEachEndpoint { it.removeSetBacklog(this) } + } + + super.remove() + } + + override fun markDirty() { + check(!isRemoved) { "Field was removed" } + + if (isRemote || endpoints.isEmpty()) + return + + isDirty = true + + val endpoints = LinkedList Unit>>>() + + forEachEndpoint { + endpoints.add(it.getSetBacklog(this)) + it.addDirtyField(this) + } + + endpoints.forEach { + it.clear() + it.add(null to ClearBacklogEntry) + } + + for (value in backingSet) { + val valueCopy = codec.copy(value) + val pair: Pair Unit> = valueCopy to { it.write(ChangesetAction.ADD.ordinal + 1); codec.write(it, valueCopy) } + + endpoints.forEach { + it.add(pair) + } + } + } + + override fun markDirty(endpoint: Endpoint) { + super.markDirty(endpoint) + + endpoint.getSetBacklog(this).let { + it.clear() + it.add(null to ClearBacklogEntry) + + for (value in backingSet) { + val valueCopy = codec.copy(value) + it.add(valueCopy to { it.write(ChangesetAction.ADD.ordinal + 1); codec.write(it, valueCopy) }) + } + } + } + + override val value: MutableSet = object : MutableSet { + override fun add(element: E): Boolean { + if (backingSet.add(element)) { + if (!isRemote) { + markDirty() + + val copy = codec.copy(element) + + pushBacklog(element) { + it.write(ChangesetAction.ADD.ordinal + 1) + codec.write(it, copy) + } + } + + return true + } + + return false + } + + override fun addAll(elements: Collection): Boolean { + var any = false + elements.forEach { any = add(it) || any } + return any + } + + override fun clear() { + if (backingSet.isNotEmpty()) { + backingSet.clear() + + if (!isRemote) { + markDirty() + + forEachEndpoint { + it.getSetBacklog(this@Set).let { + it.clear() + it.add(null to ClearBacklogEntry) + } + } + } + } + } + + override fun iterator(): MutableIterator { + return object : MutableIterator { + private val parent = backingSet.iterator() + private var lastElement: Any? = Mark + + override fun hasNext(): Boolean { + return parent.hasNext() + } + + override fun next(): E { + return parent.next().also { lastElement = it } + } + + override fun remove() { + parent.remove() + val lastElement = lastElement + + if (lastElement !== Mark) { + this.lastElement = Mark + + if (!isRemote) { + markDirty() + + @Suppress("unchecked_cast") + pushBacklog(lastElement as E) { + it.write(ChangesetAction.REMOVE.ordinal + 1) + codec.write(it, lastElement as E) + } + } + } + } + } + } + + override fun remove(element: E): Boolean { + if (backingSet.remove(element)) { + if (!isRemote) { + markDirty() + + val copy = codec.copy(element) + + pushBacklog(element) { + it.write(ChangesetAction.REMOVE.ordinal + 1) + codec.write(it, copy) + } + } + + return true + } + + return false + } + + override fun removeAll(elements: Collection): Boolean { + var any = false + elements.forEach { any = remove(it) || any } + return any + } + + override fun retainAll(elements: Collection): Boolean { + var any = false + + val iterator = iterator() + + for (value in iterator) { + if (value !in elements) { + any = true + iterator.remove() + } + } + + return any + } + + override val size: Int + get() = backingSet.size + + override fun contains(element: E): Boolean { + return element in backingSet + } + + override fun containsAll(elements: Collection): Boolean { + return backingSet.containsAll(elements) + } + + override fun isEmpty(): Boolean { + return backingSet.isEmpty() + } + } + + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + val list = endpoint.getSetBacklog(this) + + for (value in list) { + value.second.invoke(stream) + } + + stream.write(0) + list.clear() + isDirty = false + } + + override fun read(stream: DataInputStream) { + if (!isRemote) { + isRemote = true + forEachEndpoint { it.removeSetBacklog(this) } + } + + isDirty = false + + var action = stream.read() + val changeset = LinkedList>() + + while (action != 0) { + if ((action - 1) !in ChangesetActionList.indices) { + throw IllegalArgumentException("Unknown changeset action with index ${action - 1}") + } + + when (ChangesetActionList[action - 1]) { + ChangesetAction.CLEAR -> { + changeset.add(SetChangeset(ChangesetAction.CLEAR, null)) + backingSet.clear() + } + + ChangesetAction.ADD -> { + val read = codec.read(stream) + changeset.add(SetChangeset(ChangesetAction.ADD, read)) + backingSet.add(read) + } + + ChangesetAction.REMOVE -> { + val read = codec.read(stream) + changeset.add(SetChangeset(ChangesetAction.REMOVE, read)) + backingSet.remove(read) + } + } + + action = stream.read() + } + + callback?.invoke(changeset) + } + } + + inner class Map( + private val keyCodec: IStreamCodec, + private val valueCodec: IStreamCodec, + private val backingMap: MutableMap, + private val callback: ((changes: Collection>) -> Unit)? = null, + ) : AbstractField>(), IField>, ISubscriptable> by ISubscriptable.empty() { + private var sentAllValues = false + private var isRemote = false + + private fun pushBacklog(key: Any?, value: (DataOutputStream) -> Unit) { + val pair = key to value + + forEachEndpoint { + val list = it.getMapBacklog(this) + val iterator = list.listIterator() + + for (e in iterator) { + if (e.first == key) { + iterator.remove() + } + } + + list.addLast(pair) + } + } + + override fun observe(): Boolean { + return false + } + + override fun markDirty() { + check(!isRemoved) { "Field was removed" } + + if (isRemote || endpoints.isEmpty()) + return + + isDirty = true + val backlogs = LinkedList Unit>>>() + + forEachEndpoint { + it.addDirtyField(this) + val value = it.getMapBacklog(this) + backlogs.add(value) + value.clear() + value.add(null to ClearBacklogEntry) + } + + for ((key, value) in backingMap) { + val valueCopy = valueCodec.copy(value) + + val action = key to { it: DataOutputStream -> + it.write(ChangesetAction.ADD.ordinal + 1) + keyCodec.write(it, key) + valueCodec.write(it, valueCopy) + } + + for (backlog in backlogs) { + backlog.add(action) + } + } + } + + override fun markDirty(endpoint: Endpoint) { + check(!isRemoved) { "Field was removed" } + + if (isRemote) + return + + val backlog = endpoint.getMapBacklog(this) + + backlog.clear() + backlog.add(null to ClearBacklogEntry) + + for ((key, value) in backingMap) { + val valueCopy = valueCodec.copy(value) + + backlog.add(key to { + it.write(ChangesetAction.ADD.ordinal + 1) + keyCodec.write(it, key) + valueCodec.write(it, valueCopy) + }) + } + } + + private fun lmarkDirty() { + if (!isDirty) { + notifyEndpoints(this@Map) + isDirty = true + } + } + + override val value: MutableMap = object : ProxiedMap(backingMap) { + override fun onClear() { + if (isRemote || endpoints.isEmpty()) + return + + forEachEndpoint { endpoint -> + endpoint.getMapBacklog(this@Map).let { + it.clear() + it.add(null to ClearBacklogEntry) + } + } + + lmarkDirty() + this@FieldSynchronizer.isDirty = true + } + + override fun onValueAdded(key: K, value: V) { + if (isRemote || endpoints.isEmpty()) + return + + val keyCopy = keyCodec.copy(key) + val valueCopy = valueCodec.copy(value) + + pushBacklog(key) { + it.write(ChangesetAction.ADD.ordinal + 1) + keyCodec.write(it, keyCopy) + valueCodec.write(it, valueCopy) + } + + lmarkDirty() + } + + override fun onValueRemoved(key: K, value: V) { + if (isRemote || endpoints.isEmpty()) + return + + val keyCopy = keyCodec.copy(key) + + pushBacklog(key) { + it.write(ChangesetAction.REMOVE.ordinal + 1) + keyCodec.write(it, keyCopy) + } + + lmarkDirty() + } + } + + override fun write(stream: DataOutputStream, endpoint: Endpoint) { + sentAllValues = false + isDirty = false + + val iterator = endpoint.getMapBacklog(this).listIterator() + + for (entry in iterator) { + entry.second.invoke(stream) + iterator.remove() + } + + stream.write(0) + } + + override fun read(stream: DataInputStream) { + if (!isRemote) { + isRemote = true + forEachEndpoint { it.removeMapBacklog(this) } + } + + isDirty = false + + val changeset = LinkedList>() + var readAction = stream.read() - 1 + + while (readAction != -1) { + if (readAction >= ChangesetActionList.size) { + throw IndexOutOfBoundsException("Unknown map action with ID $readAction") + } + + when (ChangesetActionList[readAction]) { + ChangesetAction.CLEAR -> { + backingMap.clear() + changeset.add(ClearMapChangeset) + } + + ChangesetAction.ADD -> { + val key = keyCodec.read(stream) + val value = valueCodec.read(stream) + backingMap[key] = value + changeset.add(MapChangeset(ChangesetAction.ADD, key, value)) + } + + ChangesetAction.REMOVE -> { + val key = keyCodec.read(stream) + backingMap.remove(key) + changeset.add(MapChangeset(ChangesetAction.REMOVE, key, null)) + } + } + + readAction = stream.read() - 1 + } + + if (changeset.size != 0) { + callback?.invoke(changeset) + } + } + } + + /** + * marks all fields dirty, invalidates mappings for each endpoint + */ + fun invalidate() { + for (field in fields) { + field?.markDirty() + } + } + + /** + * Observe changes of all fields with backing computation lambda + */ + fun observe(): Boolean { + var changes = false + + if (observers.isNotEmpty()) { + for (field in observers) { + changes = field.observe() || changes + } + } + + return changes + } + + /** + * [defaultEndpoint]#collectNetworkPayload + */ + fun collectNetworkPayload(): ByteArrayOutputStream? { + check(!defaultEndpoint.unused) { "Default endpoint is not used" } + observe() + val values = defaultEndpoint.collectNetworkPayload() + markClean() + return values + } + + fun read(stream: InputStream): Int { + var fieldId = stream.readVarInt() + var i = 0 + val dataStream = DataInputStream(stream) + + while (fieldId != 0) { + val field = fields.getOrNull(fieldId - 1) ?: throw IllegalArgumentException("Unknown field ID ${fieldId - 1}") + field.read(dataStream) + fieldId = stream.readVarInt() + i++ + } + + return i + } + + private object Mark + + companion object { + private val ClearBacklogEntry = { stream: DataOutputStream -> stream.write(ChangesetAction.CLEAR.ordinal + 1) } + private val ChangesetActionList = ChangesetAction.values() + private val ClearMapChangeset = MapChangeset(ChangesetAction.CLEAR, null, null) + } +} diff --git a/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/Fields.kt b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/Fields.kt new file mode 100644 index 0000000..b7db5d2 --- /dev/null +++ b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/Fields.kt @@ -0,0 +1,173 @@ +package ru.dbotthepony.kommons.networking + +import ru.dbotthepony.kommons.event.IBooleanSubscriptable +import ru.dbotthepony.kommons.event.IDoubleSubcripable +import ru.dbotthepony.kommons.event.IFloatSubcripable +import ru.dbotthepony.kommons.event.IIntSubcripable +import ru.dbotthepony.kommons.event.ILongSubcripable +import ru.dbotthepony.kommons.event.ISubscriptable +import ru.dbotthepony.kommons.util.FloatSupplier +import java.io.DataInputStream +import java.io.DataOutputStream +import java.util.function.BooleanSupplier +import java.util.function.DoubleSupplier +import java.util.function.IntSupplier +import java.util.function.LongSupplier +import java.util.function.Supplier +import kotlin.properties.ReadOnlyProperty +import kotlin.reflect.KProperty + +sealed interface IField : ReadOnlyProperty, Supplier, () -> V, ISubscriptable { + fun observe(): Boolean + fun markDirty() + fun markDirty(endpoint: FieldSynchronizer.Endpoint) + val value: V + val isRemoved: Boolean + + fun remove() + + fun write(stream: DataOutputStream, endpoint: FieldSynchronizer.Endpoint) + fun read(stream: DataInputStream) + + override fun getValue(thisRef: Any?, property: KProperty<*>): V { + return this.value + } + + override fun get(): V { + return value + } + + override fun invoke(): V { + return value + } +} + +interface IFloatProperty { + operator fun getValue(thisRef: Any?, property: KProperty<*>): Float +} + +sealed interface IFloatField : IField, FloatSupplier, IFloatSubcripable { + val float: Float + val property: IFloatProperty + + override val value: Float + get() = float + + @Deprecated("Use type specific Supplier interface") + override fun get(): Float { + return float + } + + override fun getAsFloat(): Float { + return float + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun getValue(thisRef: Any?, property: KProperty<*>): Float { + return float + } +} + +interface IDoubleProperty { + operator fun getValue(thisRef: Any?, property: KProperty<*>): Double +} + +sealed interface IDoubleField : IField, DoubleSupplier, IDoubleSubcripable { + val double: Double + val property: IDoubleProperty + + @Deprecated("Use type specific Supplier interface") + override fun get(): Double { + return double + } + + override val value: Double + get() = double + + override fun getAsDouble(): Double { + return double + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun getValue(thisRef: Any?, property: KProperty<*>): Double { + return double + } +} + +interface IIntProperty { + operator fun getValue(thisRef: Any?, property: KProperty<*>): Int +} + +sealed interface IIntField : IField, IntSupplier, IIntSubcripable { + val int: Int + val property: IIntProperty + + @Deprecated("Use type specific Supplier interface") + override fun get(): Int { + return int + } + + override val value: Int + get() = int + + override fun getAsInt(): Int { + return int + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun getValue(thisRef: Any?, property: KProperty<*>): Int { + return int + } +} + +interface ILongProperty { + operator fun getValue(thisRef: Any?, property: KProperty<*>): Long +} + +sealed interface ILongField : IField, LongSupplier, ILongSubcripable { + val long: Long + val property: ILongProperty + + @Deprecated("Use type specific Supplier interface") + override fun get(): Long { + return long + } + + override val value: Long + get() = long + + override fun getAsLong(): Long { + return long + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun getValue(thisRef: Any?, property: KProperty<*>): Long { + return long + } +} + +interface IBooleanProperty { + operator fun getValue(thisRef: Any?, property: KProperty<*>): Boolean +} + +sealed interface IBooleanField : IField, BooleanSupplier, IBooleanSubscriptable { + val boolean: Boolean + val property: IBooleanProperty + + @Deprecated("Use type specific Supplier interface") + override fun get(): Boolean { + return boolean + } + + override val value: Boolean + get() = boolean + + override fun getAsBoolean(): Boolean { + return boolean + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun getValue(thisRef: Any?, property: KProperty<*>): Boolean { + return boolean + } +} diff --git a/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/MapChangeset.kt b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/MapChangeset.kt new file mode 100644 index 0000000..acd2b2a --- /dev/null +++ b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/MapChangeset.kt @@ -0,0 +1,23 @@ +package ru.dbotthepony.kommons.networking + +data class MapChangeset( + val action: ChangesetAction, + val key: K?, + val value: V? +) { + inline fun map(add: (K, V) -> Unit, remove: (K) -> Unit) { + when (action) { + ChangesetAction.ADD -> add.invoke(key!!, value!!) + ChangesetAction.REMOVE -> remove.invoke(key!!) + else -> {} + } + } + + inline fun map(add: (K, V) -> Unit, remove: (K) -> Unit, clear: () -> Unit) { + when (action) { + ChangesetAction.CLEAR -> clear.invoke() + ChangesetAction.ADD -> add.invoke(key!!, value!!) + ChangesetAction.REMOVE -> remove.invoke(key!!) + } + } +} diff --git a/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/MutableFields.kt b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/MutableFields.kt new file mode 100644 index 0000000..6bb66a4 --- /dev/null +++ b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/MutableFields.kt @@ -0,0 +1,165 @@ +package ru.dbotthepony.kommons.networking + +import ru.dbotthepony.kommons.util.FloatConsumer +import ru.dbotthepony.kommons.core.SentientGetterSetter +import ru.dbotthepony.kommons.util.BooleanConsumer +import java.util.function.DoubleConsumer +import java.util.function.IntConsumer +import java.util.function.LongConsumer +import kotlin.reflect.KProperty + +sealed interface IMutableField : IField, SentientGetterSetter { + override fun getValue(thisRef: Any?, property: KProperty<*>): V { + return this.value + } + + override var value: V + + override fun accept(t: V) { + value = t + } + + override fun invoke(): V { + return this.value + } +} + +interface IMutableFloatProperty : IFloatProperty { + operator fun setValue(thisRef: Any?, property: KProperty<*>, value: Float) +} + +sealed interface IMutableFloatField : IMutableField, IFloatField, FloatConsumer { + override var float: Float + override val property: IMutableFloatProperty + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.float")) + override var value: Float + get() = float + set(value) { float = value } + + override fun accept(t: Float) { + float = t + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun getValue(thisRef: Any?, property: KProperty<*>): Float { + return float + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun setValue(thisRef: Any?, property: KProperty<*>, value: Float) { + float = value + } +} + +interface IMutableDoubleProperty : IDoubleProperty { + operator fun setValue(thisRef: Any?, property: KProperty<*>, value: Double) +} + +sealed interface IMutableDoubleField : IMutableField, IDoubleField, DoubleConsumer { + override var double: Double + override val property: IMutableDoubleProperty + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.double")) + override var value: Double + get() = double + set(value) { double = value } + + override fun accept(t: Double) { + double = t + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun getValue(thisRef: Any?, property: KProperty<*>): Double { + return double + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun setValue(thisRef: Any?, property: KProperty<*>, value: Double) { + double = value + } +} + +interface IMutableIntProperty : IIntProperty { + operator fun setValue(thisRef: Any?, property: KProperty<*>, value: Int) +} + +sealed interface IMutableIntField : IMutableField, IIntField, IntConsumer { + override var int: Int + override val property: IMutableIntProperty + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.int")) + override var value: Int + get() = int + set(value) { int = value } + + override fun accept(t: Int) { + int = t + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun getValue(thisRef: Any?, property: KProperty<*>): Int { + return int + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun setValue(thisRef: Any?, property: KProperty<*>, value: Int) { + int = value + } +} + +interface IMutableLongProperty : ILongProperty { + operator fun setValue(thisRef: Any?, property: KProperty<*>, value: Long) +} + +sealed interface IMutableLongField : IMutableField, ILongField, LongConsumer { + override var long: Long + override val property: IMutableLongProperty + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.long")) + override var value: Long + get() = long + set(value) { long = value } + + override fun accept(t: Long) { + long = t + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun getValue(thisRef: Any?, property: KProperty<*>): Long { + return long + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun setValue(thisRef: Any?, property: KProperty<*>, value: Long) { + long = value + } +} + +interface IMutableBooleanProperty : IBooleanProperty { + operator fun setValue(thisRef: Any?, property: KProperty<*>, value: Boolean) +} + +sealed interface IMutableBooleanField : IMutableField, IBooleanField, BooleanConsumer { + override var boolean: Boolean + override val property: IMutableBooleanProperty + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.boolean")) + override var value: Boolean + get() = boolean + set(value) { boolean = value } + + override fun accept(t: Boolean) { + boolean = t + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun getValue(thisRef: Any?, property: KProperty<*>): Boolean { + return boolean + } + + @Deprecated("Use type specific property", replaceWith = ReplaceWith("this.property")) + override fun setValue(thisRef: Any?, property: KProperty<*>, value: Boolean) { + boolean = value + } +} diff --git a/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/SetChangeset.kt b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/SetChangeset.kt new file mode 100644 index 0000000..1bb0d35 --- /dev/null +++ b/networking/src/main/kotlin/ru/dbotthepony/kommons/networking/SetChangeset.kt @@ -0,0 +1,22 @@ +package ru.dbotthepony.kommons.networking + +data class SetChangeset( + val action: ChangesetAction, + val value: V? +) { + inline fun map(add: (V) -> Unit, remove: (V) -> Unit) { + when (action) { + ChangesetAction.ADD -> add.invoke(value!!) + ChangesetAction.REMOVE -> remove.invoke(value!!) + else -> {} + } + } + + inline fun map(add: (V) -> Unit, remove: (V) -> Unit, clear: () -> Unit) { + when (action) { + ChangesetAction.CLEAR -> clear.invoke() + ChangesetAction.ADD -> add.invoke(value!!) + ChangesetAction.REMOVE -> remove.invoke(value!!) + } + } +} diff --git a/settings.gradle.kts b/settings.gradle.kts new file mode 100644 index 0000000..e18e89d --- /dev/null +++ b/settings.gradle.kts @@ -0,0 +1,14 @@ + +plugins { + //kotlin("jvm") version "1.9.21" + id("org.gradle.toolchains.foojay-resolver-convention") version "0.5.0" +} + +rootProject.name = "kommons" +include("core") +include("networking") +include("io") +include("math") +include("io-math") +include("collect") +include("guava")