kotlin.text.CharJVM.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2014 JetBrains s.r.o.
*
* 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
*
* http://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.
*/
@file:kotlin.jvm.JvmMultifileClass
@file:kotlin.jvm.JvmName("CharsKt")
package kotlin.text
/**
* Returns `true` if this character (Unicode code point) is defined in Unicode.
*/
@kotlin.internal.InlineOnly
public inline fun Char.isDefined(): Boolean = Character.isDefined(this)
/**
* Returns `true` if this character is a letter.
*/
@kotlin.internal.InlineOnly
public inline fun Char.isLetter(): Boolean = Character.isLetter(this)
/**
* Returns `true` if this character is a letter or digit.
*/
@kotlin.internal.InlineOnly
public inline fun Char.isLetterOrDigit(): Boolean = Character.isLetterOrDigit(this)
/**
* Returns `true` if this character (Unicode code point) is a digit.
*/
@kotlin.internal.InlineOnly
public inline fun Char.isDigit(): Boolean = Character.isDigit(this)
/**
* Returns `true` if this character (Unicode code point) should be regarded as an ignorable
* character in a Java identifier or a Unicode identifier.
*/
@kotlin.internal.InlineOnly
public inline fun Char.isIdentifierIgnorable(): Boolean = Character.isIdentifierIgnorable(this)
/**
* Returns `true` if this character is an ISO control character.
*/
@kotlin.internal.InlineOnly
public inline fun Char.isISOControl(): Boolean = Character.isISOControl(this)
/**
* Returns `true` if this character (Unicode code point) may be part of a Java identifier as other than the first character.
*/
@kotlin.internal.InlineOnly
public inline fun Char.isJavaIdentifierPart(): Boolean = Character.isJavaIdentifierPart(this)
/**
* Returns `true` if this character is permissible as the first character in a Java identifier.
*/
@kotlin.internal.InlineOnly
public inline fun Char.isJavaIdentifierStart(): Boolean = Character.isJavaIdentifierStart(this)
/**
* Determines whether a character is whitespace according to the Unicode standard.
* Returns `true` if the character is whitespace.
*/
public fun Char.isWhitespace(): Boolean = Character.isWhitespace(this) || Character.isSpaceChar(this)
/**
* Returns `true` if this character is upper case.
*/
@kotlin.internal.InlineOnly
public inline fun Char.isUpperCase(): Boolean = Character.isUpperCase(this)
/**
* Returns `true` if this character is lower case.
*/
@kotlin.internal.InlineOnly
public inline fun Char.isLowerCase(): Boolean = Character.isLowerCase(this)
/**
* Converts this character to uppercase.
*/
@kotlin.internal.InlineOnly
public inline fun Char.toUpperCase(): Char = Character.toUpperCase(this)
/**
* Converts this character to lowercase.
*/
@kotlin.internal.InlineOnly
public inline fun Char.toLowerCase(): Char = Character.toLowerCase(this)
/**
* Returns `true` if this character is a titlecase character.
*/
@kotlin.internal.InlineOnly
public inline fun Char.isTitleCase(): Boolean = Character.isTitleCase(this)
/**
* Converts this character to titlecase.
*
* @see Character.toTitleCase
*/
@kotlin.internal.InlineOnly
public inline fun Char.toTitleCase(): Char = Character.toTitleCase(this)
/**
* Returns a value indicating a character's general category.
*/
public val Char.category: CharCategory get() = CharCategory.valueOf(Character.getType(this))
/**
* Returns the Unicode directionality property for the given character.
*/
public val Char.directionality: CharDirectionality get() = CharDirectionality.valueOf(Character.getDirectionality(this).toInt())
/**
* Returns `true` if this character is a Unicode high-surrogate code unit (also known as leading-surrogate code unit).
*/
@kotlin.internal.InlineOnly
public inline fun Char.isHighSurrogate(): Boolean = Character.isHighSurrogate(this)
/**
* Returns `true` if this character is a Unicode low-surrogate code unit (also known as trailing-surrogate code unit).
*/
@kotlin.internal.InlineOnly
public inline fun Char.isLowSurrogate(): Boolean = Character.isLowSurrogate(this)
// TODO Provide name for JVM7+
///**
// * Returns the Unicode name of this character, or `null` if the code point of this character is unassigned.
// */
//public fun Char.name(): String? = Character.getName(this.toInt())