Svyatoslav Kuzmich
153 lines
4.6 KiB
Kotlin
153 lines
4.6 KiB
Kotlin
/*
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* Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
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* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
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*/
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package kotlin
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import kotlin.wasm.internal.*
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/**
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* Represents a 16-bit Unicode character.
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*
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* On the JVM, non-nullable values of this type are represented as values of the primitive type `char`.
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*/
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@WasmPrimitive
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@Suppress("NOTHING_TO_INLINE")
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public class Char private constructor(public val value: Char) : Comparable<Char> {
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/**
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* Compares this value with the specified value for order.
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*
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* Returns zero if this value is equal to the specified other value, a negative number if it's less than other,
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* or a positive number if it's greater than other.
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*/
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public override fun compareTo(other: Char): Int =
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wasm_i32_compareTo(this.toInt(), other.toInt())
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public override fun equals(other: Any?): Boolean {
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if (other is Char)
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return this === (other as Char)
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return false
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}
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/** Adds the other Int value to this value resulting a Char. */
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public inline operator fun plus(other: Int): Char =
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(this.toInt() + other).toChar()
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/** Subtracts the other Char value from this value resulting an Int. */
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public inline operator fun minus(other: Char): Int =
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(this.toInt() - other.toInt())
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/** Subtracts the other Int value from this value resulting a Char. */
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public inline operator fun minus(other: Int): Char =
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(this.toInt() - other).toChar()
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/** Increments this value. */
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public inline operator fun inc(): Char =
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(this.toInt() + 1).toChar()
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/** Decrements this value. */
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public inline operator fun dec(): Char =
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(this.toInt() - 1).toChar()
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/** Creates a range from this value to the specified [other] value. */
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public operator fun rangeTo(other: Char): CharRange =
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CharRange(this, other)
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/** Returns the value of this character as a `Byte`. */
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public inline fun toByte(): Byte =
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this.toInt().toByte()
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/** Returns the value of this character as a `Char`. */
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public inline fun toChar(): Char =
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this
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/** Returns the value of this character as a `Short`. */
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public inline fun toShort(): Short =
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this.toInt().toShort()
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/** Returns the value of this character as a `Int`. */
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@WasmReinterpret
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public fun toInt(): Int =
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implementedAsIntrinsic
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/** Returns the value of this character as a `Long`. */
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public inline fun toLong(): Long =
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this.toInt().toLong()
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/** Returns the value of this character as a `Float`. */
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public inline fun toFloat(): Float =
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this.toInt().toFloat()
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/** Returns the value of this character as a `Double`. */
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public inline fun toDouble(): Double =
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this.toInt().toDouble()
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override fun toString(): String =
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charToString(this)
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override fun hashCode(): Int =
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this.toInt().hashCode()
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public companion object {
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/**
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* The minimum value of a character code unit.
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*/
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@SinceKotlin("1.3")
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public const val MIN_VALUE: Char = '\u0000'
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/**
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* The maximum value of a character code unit.
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*/
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@SinceKotlin("1.3")
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public const val MAX_VALUE: Char = '\uFFFF'
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/**
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* The minimum value of a Unicode high-surrogate code unit.
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*/
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public const val MIN_HIGH_SURROGATE: Char = '\uD800'
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/**
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* The maximum value of a Unicode high-surrogate code unit.
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*/
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public const val MAX_HIGH_SURROGATE: Char = '\uDBFF'
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/**
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* The minimum value of a Unicode low-surrogate code unit.
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*/
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public const val MIN_LOW_SURROGATE: Char = '\uDC00'
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/**
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* The maximum value of a Unicode low-surrogate code unit.
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*/
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public const val MAX_LOW_SURROGATE: Char = '\uDFFF'
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/**
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* The minimum value of a Unicode surrogate code unit.
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*/
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public const val MIN_SURROGATE: Char = MIN_HIGH_SURROGATE
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/**
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* The maximum value of a Unicode surrogate code unit.
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*/
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public const val MAX_SURROGATE: Char = MAX_LOW_SURROGATE
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/**
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* The number of bytes used to represent a Char in a binary form.
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*/
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@SinceKotlin("1.3")
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public const val SIZE_BYTES: Int = 2
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/**
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* The number of bits used to represent a Char in a binary form.
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*/
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@SinceKotlin("1.3")
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public const val SIZE_BITS: Int = 16
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}
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}
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@WasmImport("runtime", "Char_toString")
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private fun charToString(c: Char): String = implementedAsIntrinsic
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