mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
73ce9ae7e9
And other API changes that naturally fall out from this, like Array(repeating:count:) => Array(repeating:length:).
1680 lines
58 KiB
Swift
1680 lines
58 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// Exposing the API of NSString on Swift's String
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//
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//===----------------------------------------------------------------------===//
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// Open Issues
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// ===========
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//
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// Property Lists need to be properly bridged
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//
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@warn_unused_result
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func _toNSArray<T, U : AnyObject>(a: [T], @noescape f: (T) -> U) -> NSArray {
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let result = NSMutableArray(capacity: a.length)
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for s in a {
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result.addObject(f(s))
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}
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return result
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}
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@warn_unused_result
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func _toNSRange(r: Range<String.Index>) -> NSRange {
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return NSRange(
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location: r.startIndex._utf16Index,
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length: r.endIndex._utf16Index - r.startIndex._utf16Index)
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}
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@warn_unused_result
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func _countFormatSpecifiers(a: String) -> Int {
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// The implementation takes advantage of the fact that internal
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// representation of String is UTF-16. Because we only care about the ASCII
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// percent character, we don't need to decode UTF-16.
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let percentUTF16 = UTF16.CodeUnit(("%" as UnicodeScalar).value)
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let notPercentUTF16: UTF16.CodeUnit = 0
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var lastChar = notPercentUTF16 // anything other than % would work here
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var count = 0
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for c in a.utf16 {
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if lastChar == percentUTF16 {
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if c == percentUTF16 {
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// a "%" following this one should not be taken as literal
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lastChar = notPercentUTF16
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}
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else {
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count += 1
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lastChar = c
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}
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} else {
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lastChar = c
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}
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}
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return count
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}
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extension String {
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//===--- Bridging Helpers -----------------------------------------------===//
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//===--------------------------------------------------------------------===//
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/// The corresponding `NSString` - a convenience for bridging code.
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var _ns: NSString {
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return self as NSString
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}
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/// Return an `Index` corresponding to the given offset in our UTF-16
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/// representation.
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@warn_unused_result
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func _index(utf16Index: Int) -> Index {
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return Index(_base: String.UnicodeScalarView.Index(utf16Index, _core))
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}
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/// Return a `Range<Index>` corresponding to the given `NSRange` of
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/// our UTF-16 representation.
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@warn_unused_result
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func _range(r: NSRange) -> Range<Index> {
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return _index(r.location)..<_index(r.location + r.length)
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}
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/// Return a `Range<Index>?` corresponding to the given `NSRange` of
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/// our UTF-16 representation.
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@warn_unused_result
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func _optionalRange(r: NSRange) -> Range<Index>? {
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if r.location == NSNotFound {
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return .None
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}
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return _range(r)
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}
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/// Invoke `body` on an `Int` buffer. If `index` was converted from
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/// non-`nil`, convert the buffer to an `Index` and write it into the
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/// memory referred to by `index`
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func _withOptionalOutParameter<Result>(
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index: UnsafeMutablePointer<Index>,
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@noescape body: (UnsafeMutablePointer<Int>)->Result
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) -> Result {
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var utf16Index: Int = 0
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let result = index._withBridgeValue(&utf16Index) {
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body($0)
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}
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index._setIfNonNil { self._index(utf16Index) }
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return result
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}
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/// Invoke `body` on an `NSRange` buffer. If `range` was converted
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/// from non-`nil`, convert the buffer to a `Range<Index>` and write
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/// it into the memory referred to by `range`
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func _withOptionalOutParameter<Result>(
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range: UnsafeMutablePointer<Range<Index>>,
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@noescape body: (UnsafeMutablePointer<NSRange>)->Result
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) -> Result {
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var nsRange = NSRange(location: 0, length: 0)
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let result = range._withBridgeValue(&nsRange) {
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body($0)
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}
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range._setIfNonNil { self._range(nsRange) }
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return result
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}
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//===--- Class Methods --------------------------------------------------===//
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//===--------------------------------------------------------------------===//
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// + (const NSStringEncoding *)availableStringEncodings
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/// Returns an Array of the encodings string objects support
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/// in the application’s environment.
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@warn_unused_result
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public static func availableStringEncodings() -> [NSStringEncoding] {
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var result = [NSStringEncoding]()
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var p = NSString.availableStringEncodings()
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while p.pointee != 0 {
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result.append(p.pointee)
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p += 1
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}
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return result
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}
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// + (NSStringEncoding)defaultCStringEncoding
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/// Returns the C-string encoding assumed for any method accepting
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/// a C string as an argument.
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@warn_unused_result
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public static func defaultCStringEncoding() -> NSStringEncoding {
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return NSString.defaultCStringEncoding()
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}
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// + (NSString *)localizedNameOfStringEncoding:(NSStringEncoding)encoding
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/// Returns a human-readable string giving the name of a given encoding.
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@warn_unused_result
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public static func localizedNameOfStringEncoding(
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encoding: NSStringEncoding
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) -> String {
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return NSString.localizedNameOfStringEncoding(encoding)
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}
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// + (instancetype)localizedStringWithFormat:(NSString *)format, ...
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/// Returns a string created by using a given format string as a
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/// template into which the remaining argument values are substituted
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/// according to the user's default locale.
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@warn_unused_result
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public static func localizedStringWithFormat(
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format: String, _ arguments: CVarArg...
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) -> String {
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return String(format: format, locale: NSLocale.currentLocale(),
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arguments: arguments)
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}
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// + (NSString *)pathWithComponents:(NSArray *)components
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/// Returns a string built from the strings in a given array
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/// by concatenating them with a path separator between each pair.
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@available(*, unavailable, message="Use fileURLWithPathComponents on NSURL instead.")
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public static func pathWithComponents(components: [String]) -> String {
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return NSString.pathWithComponents(components)
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}
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//===--------------------------------------------------------------------===//
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// NSString factory functions that have a corresponding constructor
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// are omitted.
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//
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// + (instancetype)string
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//
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// + (instancetype)
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// stringWithCharacters:(const unichar *)chars length:(NSUInteger)length
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//
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// + (instancetype)stringWithFormat:(NSString *)format, ...
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//
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// + (instancetype)
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// stringWithContentsOfFile:(NSString *)path
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// encoding:(NSStringEncoding)enc
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// error:(NSError **)error
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//
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// + (instancetype)
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// stringWithContentsOfFile:(NSString *)path
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// usedEncoding:(NSStringEncoding *)enc
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// error:(NSError **)error
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//
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// + (instancetype)
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// stringWithContentsOfURL:(NSURL *)url
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// encoding:(NSStringEncoding)enc
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// error:(NSError **)error
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//
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// + (instancetype)
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// stringWithContentsOfURL:(NSURL *)url
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// usedEncoding:(NSStringEncoding *)enc
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// error:(NSError **)error
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//
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// + (instancetype)
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// stringWithCString:(const char *)cString
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// encoding:(NSStringEncoding)enc
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//===--------------------------------------------------------------------===//
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//===--- Adds nothing for String beyond what String(s) does -------------===//
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// + (instancetype)stringWithString:(NSString *)aString
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//===--------------------------------------------------------------------===//
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// + (instancetype)stringWithUTF8String:(const char *)bytes
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/// Produces a string created by copying the data from a given
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/// C array of UTF8-encoded bytes.
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public init?(UTF8String bytes: UnsafePointer<CChar>) {
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if let ns = NSString(UTF8String: bytes) {
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self = ns as String
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||
} else {
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return nil
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}
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}
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//===--- Instance Methods/Properties-------------------------------------===//
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//===--------------------------------------------------------------------===//
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//===--- Omitted by agreement during API review 5/20/2014 ---------------===//
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// @property BOOL boolValue;
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// - (BOOL)canBeConvertedToEncoding:(NSStringEncoding)encoding
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/// Returns a Boolean value that indicates whether the
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/// `String` can be converted to a given encoding without loss of
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/// information.
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@warn_unused_result
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public func canBeConvertedToEncoding(encoding: NSStringEncoding) -> Bool {
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return _ns.canBeConvertedToEncoding(encoding)
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}
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// @property NSString* capitalizedString
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/// Produce a string with the first character from each word changed
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/// to the corresponding uppercase value.
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public var capitalizedString: String {
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return _ns.capitalizedString as String
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}
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// @property (readonly, copy) NSString *localizedCapitalizedString NS_AVAILABLE(10_11, 9_0);
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/// A capitalized representation of the `String` that is produced
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/// using the current locale.
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@available(OSX 10.11, iOS 9.0, *)
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public var localizedCapitalizedString: String {
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return _ns.localizedCapitalizedString
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||
}
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// - (NSString *)capitalizedStringWithLocale:(NSLocale *)locale
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||
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/// Returns a capitalized representation of the `String`
|
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/// using the specified locale.
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@warn_unused_result
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public func capitalizedStringWithLocale(locale: NSLocale?) -> String {
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return _ns.capitalizedStringWithLocale(locale) as String
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}
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// - (NSComparisonResult)caseInsensitiveCompare:(NSString *)aString
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||
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/// Returns the result of invoking `compare:options:` with
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/// `NSCaseInsensitiveSearch` as the only option.
|
||
@warn_unused_result
|
||
public func caseInsensitiveCompare(aString: String) -> NSComparisonResult {
|
||
return _ns.caseInsensitiveCompare(aString)
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||
}
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||
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||
//===--- Omitted by agreement during API review 5/20/2014 ---------------===//
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// - (unichar)characterAtIndex:(NSUInteger)index
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||
//
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// We have a different meaning for "Character" in Swift, and we are
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// trying not to expose error-prone UTF-16 integer indexes
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||
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// - (NSString *)
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// commonPrefixWithString:(NSString *)aString
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// options:(NSStringCompareOptions)mask
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||
|
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/// Returns a string containing characters the `String` and a
|
||
/// given string have in common, starting from the beginning of each
|
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/// up to the first characters that aren’t equivalent.
|
||
@warn_unused_result
|
||
public func commonPrefixWithString(
|
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aString: String, options: NSStringCompareOptions) -> String {
|
||
return _ns.commonPrefixWithString(aString, options: options)
|
||
}
|
||
|
||
// - (NSComparisonResult)
|
||
// compare:(NSString *)aString
|
||
//
|
||
// - (NSComparisonResult)
|
||
// compare:(NSString *)aString options:(NSStringCompareOptions)mask
|
||
//
|
||
// - (NSComparisonResult)
|
||
// compare:(NSString *)aString options:(NSStringCompareOptions)mask
|
||
// range:(NSRange)range
|
||
//
|
||
// - (NSComparisonResult)
|
||
// compare:(NSString *)aString options:(NSStringCompareOptions)mask
|
||
// range:(NSRange)range locale:(id)locale
|
||
|
||
/// Compares the string using the specified options and
|
||
/// returns the lexical ordering for the range.
|
||
@warn_unused_result
|
||
public func compare(
|
||
aString: String,
|
||
options mask: NSStringCompareOptions = [],
|
||
range: Range<Index>? = nil,
|
||
locale: NSLocale? = nil
|
||
) -> NSComparisonResult {
|
||
// According to Ali Ozer, there may be some real advantage to
|
||
// dispatching to the minimal selector for the supplied options.
|
||
// So let's do that; the switch should compile away anyhow.
|
||
return locale != nil ? _ns.compare(
|
||
aString, options: mask,
|
||
range: _toNSRange(range ?? self.characters.indices),
|
||
locale: locale)
|
||
|
||
: range != nil ? _ns.compare(
|
||
aString,
|
||
options: mask,
|
||
range: _toNSRange(range ?? self.characters.indices))
|
||
|
||
: !mask.isEmpty ? _ns.compare(aString, options: mask)
|
||
|
||
: _ns.compare(aString)
|
||
}
|
||
|
||
// - (NSUInteger)
|
||
// completePathIntoString:(NSString **)outputName
|
||
// caseSensitive:(BOOL)flag
|
||
// matchesIntoArray:(NSArray **)outputArray
|
||
// filterTypes:(NSArray *)filterTypes
|
||
|
||
/// Interprets the `String` as a path in the file system and
|
||
/// attempts to perform filename completion, returning a numeric
|
||
/// value that indicates whether a match was possible, and by
|
||
/// reference the longest path that matches the `String`.
|
||
/// Returns the actual number of matching paths.
|
||
@warn_unused_result
|
||
public func completePathIntoString(
|
||
outputName: UnsafeMutablePointer<String> = nil,
|
||
caseSensitive: Bool,
|
||
matchesIntoArray: UnsafeMutablePointer<[String]> = nil,
|
||
filterTypes: [String]? = nil
|
||
) -> Int {
|
||
var nsMatches: NSArray?
|
||
var nsOutputName: NSString?
|
||
|
||
let result = outputName._withBridgeObject(&nsOutputName) {
|
||
outputName in matchesIntoArray._withBridgeObject(&nsMatches) {
|
||
matchesIntoArray in
|
||
self._ns.completePathIntoString(
|
||
outputName, caseSensitive: caseSensitive,
|
||
matchesIntoArray: matchesIntoArray, filterTypes: filterTypes
|
||
)
|
||
}
|
||
}
|
||
|
||
if let matches = nsMatches {
|
||
// Since this function is effectively a bridge thunk, use the
|
||
// bridge thunk semantics for the NSArray conversion
|
||
matchesIntoArray._setIfNonNil { _convertNSArrayToArray(matches) }
|
||
}
|
||
|
||
if let n = nsOutputName {
|
||
outputName._setIfNonNil { n as String }
|
||
}
|
||
return result
|
||
}
|
||
|
||
// - (NSArray *)
|
||
// componentsSeparatedByCharactersInSet:(NSCharacterSet *)separator
|
||
|
||
/// Returns an array containing substrings from the `String`
|
||
/// that have been divided by characters in a given set.
|
||
@warn_unused_result
|
||
public func componentsSeparatedByCharactersInSet(
|
||
separator: NSCharacterSet
|
||
) -> [String] {
|
||
// FIXME: two steps due to <rdar://16971181>
|
||
let nsa = _ns.componentsSeparatedByCharactersInSet(separator) as NSArray
|
||
// Since this function is effectively a bridge thunk, use the
|
||
// bridge thunk semantics for the NSArray conversion
|
||
return _convertNSArrayToArray(nsa)
|
||
}
|
||
|
||
|
||
// - (NSArray *)componentsSeparatedByString:(NSString *)separator
|
||
|
||
/// Returns an array containing substrings from the `String`
|
||
/// that have been divided by a given separator.
|
||
public func componentsSeparatedByString(separator: String) -> [String] {
|
||
let nsa = _ns.componentsSeparatedByString(separator) as NSArray
|
||
// Since this function is effectively a bridge thunk, use the
|
||
// bridge thunk semantics for the NSArray conversion
|
||
return _convertNSArrayToArray(nsa)
|
||
}
|
||
|
||
// - (const char *)cStringUsingEncoding:(NSStringEncoding)encoding
|
||
|
||
/// Returns a representation of the `String` as a C string
|
||
/// using a given encoding.
|
||
@warn_unused_result
|
||
public func cStringUsingEncoding(encoding: NSStringEncoding) -> [CChar]? {
|
||
return withExtendedLifetime(_ns) {
|
||
(s: NSString) -> [CChar]? in
|
||
_persistCString(s.cStringUsingEncoding(encoding))
|
||
}
|
||
}
|
||
|
||
// - (NSData *)dataUsingEncoding:(NSStringEncoding)encoding
|
||
//
|
||
// - (NSData *)
|
||
// dataUsingEncoding:(NSStringEncoding)encoding
|
||
// allowLossyConversion:(BOOL)flag
|
||
|
||
/// Returns an `NSData` object containing a representation of
|
||
/// the `String` encoded using a given encoding.
|
||
@warn_unused_result
|
||
public func dataUsingEncoding(
|
||
encoding: NSStringEncoding,
|
||
allowLossyConversion: Bool = false
|
||
) -> NSData? {
|
||
return _ns.dataUsingEncoding(
|
||
encoding, allowLossyConversion: allowLossyConversion)
|
||
}
|
||
|
||
// @property NSString* decomposedStringWithCanonicalMapping;
|
||
|
||
/// Returns a string made by normalizing the `String`’s
|
||
/// contents using Form D.
|
||
public var decomposedStringWithCanonicalMapping: String {
|
||
return _ns.decomposedStringWithCanonicalMapping
|
||
}
|
||
|
||
// @property NSString* decomposedStringWithCompatibilityMapping;
|
||
|
||
/// Returns a string made by normalizing the `String`’s
|
||
/// contents using Form KD.
|
||
public var decomposedStringWithCompatibilityMapping: String {
|
||
return _ns.decomposedStringWithCompatibilityMapping
|
||
}
|
||
|
||
//===--- Importing Foundation should not affect String printing ---------===//
|
||
// Therefore, we're not exposing this:
|
||
//
|
||
// @property NSString* description
|
||
|
||
|
||
//===--- Omitted for consistency with API review results 5/20/2014 -----===//
|
||
// @property double doubleValue;
|
||
|
||
// - (void)
|
||
// enumerateLinesUsingBlock:(void (^)(NSString *line, BOOL *stop))block
|
||
|
||
/// Enumerates all the lines in a string.
|
||
public func enumerateLines(body: (line: String, inout stop: Bool)->()) {
|
||
_ns.enumerateLinesUsingBlock {
|
||
(line: String, stop: UnsafeMutablePointer<ObjCBool>)
|
||
in
|
||
var stop_ = false
|
||
body(line: line, stop: &stop_)
|
||
if stop_ {
|
||
UnsafeMutablePointer<ObjCBool>(stop).pointee = true
|
||
}
|
||
}
|
||
}
|
||
|
||
// - (void)
|
||
// enumerateLinguisticTagsInRange:(NSRange)range
|
||
// scheme:(NSString *)tagScheme
|
||
// options:(NSLinguisticTaggerOptions)opts
|
||
// orthography:(NSOrthography *)orthography
|
||
// usingBlock:(
|
||
// void (^)(
|
||
// NSString *tag, NSRange tokenRange,
|
||
// NSRange sentenceRange, BOOL *stop)
|
||
// )block
|
||
|
||
/// Performs linguistic analysis on the specified string by
|
||
/// enumerating the specific range of the string, providing the
|
||
/// Block with the located tags.
|
||
public func enumerateLinguisticTagsInRange(
|
||
range: Range<Index>,
|
||
scheme tagScheme: String,
|
||
options opts: NSLinguisticTaggerOptions,
|
||
orthography: NSOrthography?,
|
||
_ body:
|
||
(String, Range<Index>, Range<Index>, inout Bool)->()
|
||
) {
|
||
_ns.enumerateLinguisticTagsInRange(
|
||
_toNSRange(range),
|
||
scheme: tagScheme,
|
||
options: opts,
|
||
orthography: orthography != nil ? orthography! : nil
|
||
) {
|
||
var stop_ = false
|
||
body($0, self._range($1), self._range($2), &stop_)
|
||
if stop_ {
|
||
UnsafeMutablePointer($3).pointee = true
|
||
}
|
||
}
|
||
}
|
||
|
||
// - (void)
|
||
// enumerateSubstringsInRange:(NSRange)range
|
||
// options:(NSStringEnumerationOptions)opts
|
||
// usingBlock:(
|
||
// void (^)(
|
||
// NSString *substring,
|
||
// NSRange substringRange,
|
||
// NSRange enclosingRange,
|
||
// BOOL *stop)
|
||
// )block
|
||
|
||
/// Enumerates the substrings of the specified type in the
|
||
/// specified range of the string.
|
||
public func enumerateSubstringsInRange(
|
||
range: Range<Index>,
|
||
options opts:NSStringEnumerationOptions,
|
||
_ body: (
|
||
substring: String?, substringRange: Range<Index>,
|
||
enclosingRange: Range<Index>, inout Bool
|
||
)->()
|
||
) {
|
||
_ns.enumerateSubstringsInRange(_toNSRange(range), options: opts) {
|
||
var stop_ = false
|
||
|
||
body(substring: $0,
|
||
substringRange: self._range($1),
|
||
enclosingRange: self._range($2),
|
||
&stop_)
|
||
|
||
if stop_ {
|
||
UnsafeMutablePointer($3).pointee = true
|
||
}
|
||
}
|
||
}
|
||
|
||
// @property NSStringEncoding fastestEncoding;
|
||
|
||
/// Returns the fastest encoding to which the `String` may be
|
||
/// converted without loss of information.
|
||
public var fastestEncoding: NSStringEncoding {
|
||
return _ns.fastestEncoding
|
||
}
|
||
|
||
// - (const char *)fileSystemRepresentation
|
||
|
||
/// Returns a file system-specific representation of the `String`.
|
||
@available(*, unavailable, message="Use getFileSystemRepresentation on NSURL instead.")
|
||
public func fileSystemRepresentation() -> [CChar] {
|
||
return _persistCString(_ns.fileSystemRepresentation)!
|
||
}
|
||
|
||
//===--- Omitted for consistency with API review results 5/20/2014 ------===//
|
||
// @property float floatValue;
|
||
|
||
// - (BOOL)
|
||
// getBytes:(void *)buffer
|
||
// maxLength:(NSUInteger)maxBufferCount
|
||
// usedLength:(NSUInteger*)usedBufferCount
|
||
// encoding:(NSStringEncoding)encoding
|
||
// options:(NSStringEncodingConversionOptions)options
|
||
// range:(NSRange)range
|
||
// remainingRange:(NSRangePointer)leftover
|
||
|
||
/// Writes the given `range` of characters into `buffer` in a given
|
||
/// `encoding`, without any allocations. Does not NULL-terminate.
|
||
///
|
||
/// - Parameter buffer: A buffer into which to store the bytes from
|
||
/// the receiver. The returned bytes are not NUL-terminated.
|
||
///
|
||
/// - Parameter maxBufferCount: The maximum number of bytes to write
|
||
/// to buffer.
|
||
///
|
||
/// - Parameter usedBufferCount: The number of bytes used from
|
||
/// buffer. Pass `nil` if you do not need this value.
|
||
///
|
||
/// - Parameter encoding: The encoding to use for the returned bytes.
|
||
///
|
||
/// - Parameter options: A mask to specify options to use for
|
||
/// converting the receiver’s contents to `encoding` (if conversion
|
||
/// is necessary).
|
||
///
|
||
/// - Parameter range: The range of characters in the receiver to get.
|
||
///
|
||
/// - Parameter leftover: The remaining range. Pass `nil` If you do
|
||
/// not need this value.
|
||
///
|
||
/// - Returns: `true` iff some characters were converted.
|
||
///
|
||
/// - Note: Conversion stops when the buffer fills or when the
|
||
/// conversion isn't possible due to the chosen encoding.
|
||
///
|
||
/// - Note: will get a maximum of `min(buffer.count, maxLength)` bytes.
|
||
public func getBytes(
|
||
inout buffer: [UInt8],
|
||
maxLength maxBufferCount: Int,
|
||
usedLength usedBufferCount: UnsafeMutablePointer<Int>,
|
||
encoding: NSStringEncoding,
|
||
options: NSStringEncodingConversionOptions,
|
||
range: Range<Index>,
|
||
remainingRange leftover: UnsafeMutablePointer<Range<Index>>
|
||
) -> Bool {
|
||
return _withOptionalOutParameter(leftover) {
|
||
self._ns.getBytes(
|
||
&buffer,
|
||
maxLength: min(buffer.length, maxBufferCount),
|
||
usedLength: usedBufferCount,
|
||
encoding: encoding,
|
||
options: options,
|
||
range: _toNSRange(range),
|
||
remainingRange: $0)
|
||
}
|
||
}
|
||
|
||
// - (BOOL)
|
||
// getCString:(char *)buffer
|
||
// maxLength:(NSUInteger)maxBufferCount
|
||
// encoding:(NSStringEncoding)encoding
|
||
|
||
/// Converts the `String`’s content to a given encoding and
|
||
/// stores them in a buffer.
|
||
/// - Note: will store a maximum of `min(buffer.length, maxLength)` bytes.
|
||
public func getCString(
|
||
inout buffer: [CChar], maxLength: Int, encoding: NSStringEncoding
|
||
) -> Bool {
|
||
return _ns.getCString(
|
||
&buffer, maxLength: min(buffer.length, maxLength), encoding: encoding)
|
||
}
|
||
|
||
// - (BOOL)
|
||
// getFileSystemRepresentation:(char *)buffer
|
||
// maxLength:(NSUInteger)maxLength
|
||
|
||
/// Interprets the `String` as a system-independent path and
|
||
/// fills a buffer with a C-string in a format and encoding suitable
|
||
/// for use with file-system calls.
|
||
/// - Note: will store a maximum of `min(buffer.length, maxLength)` bytes.
|
||
@available(*, unavailable, message="Use getFileSystemRepresentation on NSURL instead.")
|
||
public func getFileSystemRepresentation(
|
||
inout buffer: [CChar], maxLength: Int) -> Bool {
|
||
return _ns.getFileSystemRepresentation(
|
||
&buffer, maxLength: min(buffer.length, maxLength))
|
||
}
|
||
|
||
// - (void)
|
||
// getLineStart:(NSUInteger *)startIndex
|
||
// end:(NSUInteger *)lineEndIndex
|
||
// contentsEnd:(NSUInteger *)contentsEndIndex
|
||
// forRange:(NSRange)aRange
|
||
|
||
/// Returns by reference the beginning of the first line and
|
||
/// the end of the last line touched by the given range.
|
||
public func getLineStart(
|
||
start: UnsafeMutablePointer<Index>,
|
||
end: UnsafeMutablePointer<Index>,
|
||
contentsEnd: UnsafeMutablePointer<Index>,
|
||
forRange: Range<Index>
|
||
) {
|
||
_withOptionalOutParameter(start) {
|
||
start in self._withOptionalOutParameter(end) {
|
||
end in self._withOptionalOutParameter(contentsEnd) {
|
||
contentsEnd in self._ns.getLineStart(
|
||
start, end: end,
|
||
contentsEnd: contentsEnd,
|
||
forRange: _toNSRange(forRange))
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// - (void)
|
||
// getParagraphStart:(NSUInteger *)startIndex
|
||
// end:(NSUInteger *)endIndex
|
||
// contentsEnd:(NSUInteger *)contentsEndIndex
|
||
// forRange:(NSRange)aRange
|
||
|
||
/// Returns by reference the beginning of the first paragraph
|
||
/// and the end of the last paragraph touched by the given range.
|
||
public func getParagraphStart(
|
||
start: UnsafeMutablePointer<Index>,
|
||
end: UnsafeMutablePointer<Index>,
|
||
contentsEnd: UnsafeMutablePointer<Index>,
|
||
forRange: Range<Index>
|
||
) {
|
||
_withOptionalOutParameter(start) {
|
||
start in self._withOptionalOutParameter(end) {
|
||
end in self._withOptionalOutParameter(contentsEnd) {
|
||
contentsEnd in self._ns.getParagraphStart(
|
||
start, end: end,
|
||
contentsEnd: contentsEnd,
|
||
forRange: _toNSRange(forRange))
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// - (NSUInteger)hash
|
||
|
||
/// An unsigned integer that can be used as a hash table address.
|
||
public var hash: Int {
|
||
return _ns.hash
|
||
}
|
||
|
||
//===--- Already provided by String's core ------------------------------===//
|
||
// - (instancetype)init
|
||
|
||
//===--- Initializers that can fail -------------------------------------===//
|
||
// - (instancetype)
|
||
// initWithBytes:(const void *)bytes
|
||
// length:(NSUInteger)length
|
||
// encoding:(NSStringEncoding)encoding
|
||
|
||
/// Produces an initialized `NSString` object equivalent to the given
|
||
/// `bytes` interpreted in the given `encoding`.
|
||
public init? <
|
||
S: Sequence where S.Iterator.Element == UInt8
|
||
>(
|
||
bytes: S, encoding: NSStringEncoding
|
||
) {
|
||
let byteArray = Array(bytes)
|
||
if let ns = NSString(
|
||
bytes: byteArray, length: byteArray.length, encoding: encoding) {
|
||
|
||
self = ns as String
|
||
} else {
|
||
return nil
|
||
}
|
||
}
|
||
|
||
// - (instancetype)
|
||
// initWithBytesNoCopy:(void *)bytes
|
||
// length:(NSUInteger)length
|
||
// encoding:(NSStringEncoding)encoding
|
||
// freeWhenDone:(BOOL)flag
|
||
|
||
/// Produces an initialized `String` object that contains a
|
||
/// given number of bytes from a given buffer of bytes interpreted
|
||
/// in a given encoding, and optionally frees the buffer. WARNING:
|
||
/// this initializer is not memory-safe!
|
||
public init?(
|
||
bytesNoCopy bytes: UnsafeMutablePointer<Void>, length: Int,
|
||
encoding: NSStringEncoding, freeWhenDone flag: Bool
|
||
) {
|
||
if let ns = NSString(
|
||
bytesNoCopy: bytes, length: length, encoding: encoding,
|
||
freeWhenDone: flag) {
|
||
|
||
self = ns as String
|
||
} else {
|
||
return nil
|
||
}
|
||
}
|
||
|
||
|
||
// - (instancetype)
|
||
// initWithCharacters:(const unichar *)characters
|
||
// length:(NSUInteger)length
|
||
|
||
/// Returns an initialized `String` object that contains a
|
||
/// given number of characters from a given array of Unicode
|
||
/// characters.
|
||
public init(
|
||
utf16CodeUnits: UnsafePointer<unichar>,
|
||
count: Int
|
||
) {
|
||
self = NSString(characters: utf16CodeUnits, length: count) as String
|
||
}
|
||
|
||
// - (instancetype)
|
||
// initWithCharactersNoCopy:(unichar *)characters
|
||
// length:(NSUInteger)length
|
||
// freeWhenDone:(BOOL)flag
|
||
|
||
/// Returns an initialized `String` object that contains a given
|
||
/// number of characters from a given array of UTF-16 Code Units
|
||
public init(
|
||
utf16CodeUnitsNoCopy: UnsafePointer<unichar>,
|
||
count: Int,
|
||
freeWhenDone flag: Bool
|
||
) {
|
||
self = NSString(
|
||
charactersNoCopy: UnsafeMutablePointer(utf16CodeUnitsNoCopy),
|
||
length: count,
|
||
freeWhenDone: flag) as String
|
||
}
|
||
|
||
//===--- Initializers that can fail -------------------------------------===//
|
||
|
||
// - (instancetype)
|
||
// initWithContentsOfFile:(NSString *)path
|
||
// encoding:(NSStringEncoding)enc
|
||
// error:(NSError **)error
|
||
//
|
||
|
||
/// Produces a string created by reading data from the file at a
|
||
/// given path interpreted using a given encoding.
|
||
public init(
|
||
contentsOfFile path: String,
|
||
encoding enc: NSStringEncoding
|
||
) throws {
|
||
let ns = try NSString(contentsOfFile: path, encoding: enc)
|
||
self = ns as String
|
||
}
|
||
|
||
// - (instancetype)
|
||
// initWithContentsOfFile:(NSString *)path
|
||
// usedEncoding:(NSStringEncoding *)enc
|
||
// error:(NSError **)error
|
||
|
||
/// Produces a string created by reading data from the file at
|
||
/// a given path and returns by reference the encoding used to
|
||
/// interpret the file.
|
||
public init(
|
||
contentsOfFile path: String,
|
||
usedEncoding: UnsafeMutablePointer<NSStringEncoding> = nil
|
||
) throws {
|
||
let ns = try NSString(contentsOfFile: path, usedEncoding: usedEncoding)
|
||
self = ns as String
|
||
}
|
||
|
||
// - (instancetype)
|
||
// initWithContentsOfURL:(NSURL *)url
|
||
// encoding:(NSStringEncoding)enc
|
||
// error:(NSError**)error
|
||
|
||
/// Produces a string created by reading data from a given URL
|
||
/// interpreted using a given encoding. Errors are written into the
|
||
/// inout `error` argument.
|
||
public init(
|
||
contentsOfURL url: NSURL,
|
||
encoding enc: NSStringEncoding
|
||
) throws {
|
||
let ns = try NSString(contentsOfURL: url, encoding: enc)
|
||
self = ns as String
|
||
}
|
||
|
||
// - (instancetype)
|
||
// initWithContentsOfURL:(NSURL *)url
|
||
// usedEncoding:(NSStringEncoding *)enc
|
||
// error:(NSError **)error
|
||
|
||
/// Produces a string created by reading data from a given URL
|
||
/// and returns by reference the encoding used to interpret the
|
||
/// data. Errors are written into the inout `error` argument.
|
||
public init(
|
||
contentsOfURL url: NSURL,
|
||
usedEncoding enc: UnsafeMutablePointer<NSStringEncoding> = nil
|
||
) throws {
|
||
let ns = try NSString(contentsOfURL: url, usedEncoding: enc)
|
||
self = ns as String
|
||
}
|
||
|
||
// - (instancetype)
|
||
// initWithCString:(const char *)nullTerminatedCString
|
||
// encoding:(NSStringEncoding)encoding
|
||
|
||
/// Produces a string containing the bytes in a given C array,
|
||
/// interpreted according to a given encoding.
|
||
public init?(
|
||
CString: UnsafePointer<CChar>,
|
||
encoding enc: NSStringEncoding
|
||
) {
|
||
if let ns = NSString(CString: CString, encoding: enc) {
|
||
self = ns as String
|
||
} else {
|
||
return nil
|
||
}
|
||
}
|
||
|
||
// FIXME: handle optional locale with default arguments
|
||
|
||
// - (instancetype)
|
||
// initWithData:(NSData *)data
|
||
// encoding:(NSStringEncoding)encoding
|
||
|
||
/// Returns a `String` initialized by converting given `data` into
|
||
/// Unicode characters using a given `encoding`.
|
||
public init?(data: NSData, encoding: NSStringEncoding) {
|
||
guard let s = NSString(data: data, encoding: encoding) else { return nil }
|
||
self = s as String
|
||
}
|
||
|
||
// - (instancetype)initWithFormat:(NSString *)format, ...
|
||
|
||
/// Returns a `String` object initialized by using a given
|
||
/// format string as a template into which the remaining argument
|
||
/// values are substituted.
|
||
public init(format: String, _ arguments: CVarArg...) {
|
||
self = String(format: format, arguments: arguments)
|
||
}
|
||
|
||
// - (instancetype)
|
||
// initWithFormat:(NSString *)format
|
||
// arguments:(va_list)argList
|
||
|
||
/// Returns a `String` object initialized by using a given
|
||
/// format string as a template into which the remaining argument
|
||
/// values are substituted according to the user’s default locale.
|
||
public init(format: String, arguments: [CVarArg]) {
|
||
self = String(format: format, locale: nil, arguments: arguments)
|
||
}
|
||
|
||
// - (instancetype)initWithFormat:(NSString *)format locale:(id)locale, ...
|
||
|
||
/// Returns a `String` object initialized by using a given
|
||
/// format string as a template into which the remaining argument
|
||
/// values are substituted according to given locale information.
|
||
public init(format: String, locale: NSLocale?, _ args: CVarArg...) {
|
||
self = String(format: format, locale: locale, arguments: args)
|
||
}
|
||
|
||
// - (instancetype)
|
||
// initWithFormat:(NSString *)format
|
||
// locale:(id)locale
|
||
// arguments:(va_list)argList
|
||
|
||
/// Returns a `String` object initialized by using a given
|
||
/// format string as a template into which the remaining argument
|
||
/// values are substituted according to given locale information.
|
||
public init(format: String, locale: NSLocale?, arguments: [CVarArg]) {
|
||
_require(
|
||
_countFormatSpecifiers(format) <= arguments.length,
|
||
"Too many format specifiers (%<letter>) provided for the argument list"
|
||
)
|
||
self = withVaList(arguments) {
|
||
NSString(format: format, locale: locale, arguments: $0) as String
|
||
}
|
||
}
|
||
|
||
//===--- Already provided by core Swift ---------------------------------===//
|
||
// - (instancetype)initWithString:(NSString *)aString
|
||
|
||
//===--- Initializers that can fail dropped for factory functions -------===//
|
||
// - (instancetype)initWithUTF8String:(const char *)bytes
|
||
|
||
//===--- Omitted for consistency with API review results 5/20/2014 ------===//
|
||
// @property NSInteger integerValue;
|
||
// @property Int intValue;
|
||
|
||
//===--- Omitted by apparent agreement during API review 5/20/2014 ------===//
|
||
// @property BOOL absolutePath;
|
||
// - (BOOL)isEqualToString:(NSString *)aString
|
||
|
||
//===--- Kept for consistency with API review results 5/20/2014 ---------===//
|
||
// We decided to keep pathWithComponents, so keeping this too
|
||
// @property NSString lastPathComponent;
|
||
|
||
/// Returns the last path component of the `String`.
|
||
@available(*, unavailable, message="Use lastPathComponent on NSURL instead.")
|
||
public var lastPathComponent: String {
|
||
return _ns.lastPathComponent
|
||
}
|
||
|
||
//===--- Renamed by agreement during API review 5/20/2014 ---------------===//
|
||
// @property NSUInteger length;
|
||
|
||
/// Returns the number of Unicode characters in the `String`.
|
||
@available(*, unavailable,
|
||
message="Take the length of a UTF-16 view instead, i.e. str.utf16.length")
|
||
public var utf16Count: Int {
|
||
return _ns.length
|
||
}
|
||
|
||
// - (NSUInteger)lengthOfBytesUsingEncoding:(NSStringEncoding)enc
|
||
|
||
/// Returns the number of bytes required to store the
|
||
/// `String` in a given encoding.
|
||
@warn_unused_result
|
||
public func lengthOfBytesUsingEncoding(encoding: NSStringEncoding) -> Int {
|
||
return _ns.lengthOfBytesUsingEncoding(encoding)
|
||
}
|
||
|
||
// - (NSRange)lineRangeForRange:(NSRange)aRange
|
||
|
||
/// Returns the range of characters representing the line or lines
|
||
/// containing a given range.
|
||
@warn_unused_result
|
||
public func lineRangeForRange(aRange: Range<Index>) -> Range<Index> {
|
||
return _range(_ns.lineRangeForRange(_toNSRange(aRange)))
|
||
}
|
||
|
||
// - (NSArray *)
|
||
// linguisticTagsInRange:(NSRange)range
|
||
// scheme:(NSString *)tagScheme
|
||
// options:(NSLinguisticTaggerOptions)opts
|
||
// orthography:(NSOrthography *)orthography
|
||
// tokenRanges:(NSArray**)tokenRanges
|
||
|
||
/// Returns an array of linguistic tags for the specified
|
||
/// range and requested tags within the receiving string.
|
||
@warn_unused_result
|
||
public func linguisticTagsInRange(
|
||
range: Range<Index>,
|
||
scheme tagScheme: String,
|
||
options opts: NSLinguisticTaggerOptions = [],
|
||
orthography: NSOrthography? = nil,
|
||
tokenRanges: UnsafeMutablePointer<[Range<Index>]> = nil // FIXME:Can this be nil?
|
||
) -> [String] {
|
||
var nsTokenRanges: NSArray? = nil
|
||
let result = tokenRanges._withBridgeObject(&nsTokenRanges) {
|
||
self._ns.linguisticTagsInRange(
|
||
_toNSRange(range), scheme: tagScheme, options: opts,
|
||
orthography: orthography != nil ? orthography! : nil, tokenRanges: $0) as NSArray
|
||
}
|
||
|
||
if nsTokenRanges != nil {
|
||
tokenRanges._setIfNonNil {
|
||
(nsTokenRanges! as [AnyObject]).map {
|
||
self._range($0.rangeValue)
|
||
}
|
||
}
|
||
}
|
||
|
||
return _convertNSArrayToArray(result)
|
||
}
|
||
|
||
// - (NSComparisonResult)localizedCaseInsensitiveCompare:(NSString *)aString
|
||
|
||
/// Compares the string and a given string using a
|
||
/// case-insensitive, localized, comparison.
|
||
@warn_unused_result
|
||
public
|
||
func localizedCaseInsensitiveCompare(aString: String) -> NSComparisonResult {
|
||
return _ns.localizedCaseInsensitiveCompare(aString)
|
||
}
|
||
|
||
// - (NSComparisonResult)localizedCompare:(NSString *)aString
|
||
|
||
/// Compares the string and a given string using a localized
|
||
/// comparison.
|
||
@warn_unused_result
|
||
public func localizedCompare(aString: String) -> NSComparisonResult {
|
||
return _ns.localizedCompare(aString)
|
||
}
|
||
|
||
/// Compares strings as sorted by the Finder.
|
||
@warn_unused_result
|
||
public func localizedStandardCompare(string: String) -> NSComparisonResult {
|
||
return _ns.localizedStandardCompare(string)
|
||
}
|
||
|
||
//===--- Omitted for consistency with API review results 5/20/2014 ------===//
|
||
// @property long long longLongValue
|
||
|
||
// @property (readonly, copy) NSString *localizedLowercaseString NS_AVAILABLE(10_11, 9_0);
|
||
|
||
/// A lowercase version of the string that is produced using the current
|
||
/// locale.
|
||
@available(OSX 10.11, iOS 9.0, *)
|
||
public var localizedLowercaseString: String {
|
||
return _ns.localizedLowercaseString
|
||
}
|
||
|
||
// - (NSString *)lowercaseStringWithLocale:(NSLocale *)locale
|
||
|
||
/// Returns a version of the string with all letters
|
||
/// converted to lowercase, taking into account the specified
|
||
/// locale.
|
||
@warn_unused_result
|
||
public func lowercaseStringWithLocale(locale: NSLocale?) -> String {
|
||
return _ns.lowercaseStringWithLocale(locale)
|
||
}
|
||
|
||
// - (NSUInteger)maximumLengthOfBytesUsingEncoding:(NSStringEncoding)enc
|
||
|
||
/// Returns the maximum number of bytes needed to store the
|
||
/// `String` in a given encoding.
|
||
@warn_unused_result
|
||
public
|
||
func maximumLengthOfBytesUsingEncoding(encoding: NSStringEncoding) -> Int {
|
||
return _ns.maximumLengthOfBytesUsingEncoding(encoding)
|
||
}
|
||
|
||
// - (NSRange)paragraphRangeForRange:(NSRange)aRange
|
||
|
||
/// Returns the range of characters representing the
|
||
/// paragraph or paragraphs containing a given range.
|
||
@warn_unused_result
|
||
public func paragraphRangeForRange(aRange: Range<Index>) -> Range<Index> {
|
||
return _range(_ns.paragraphRangeForRange(_toNSRange(aRange)))
|
||
}
|
||
|
||
// @property NSArray* pathComponents
|
||
|
||
/// Returns an array of NSString objects containing, in
|
||
/// order, each path component of the `String`.
|
||
@available(*, unavailable, message="Use pathComponents on NSURL instead.")
|
||
public var pathComponents: [String] {
|
||
return _ns.pathComponents
|
||
}
|
||
|
||
// @property NSString* pathExtension;
|
||
|
||
/// Interprets the `String` as a path and returns the
|
||
/// `String`’s extension, if any.
|
||
@available(*, unavailable, message="Use pathExtension on NSURL instead.")
|
||
public var pathExtension: String {
|
||
return _ns.pathExtension
|
||
}
|
||
|
||
// @property NSString* precomposedStringWithCanonicalMapping;
|
||
|
||
/// Returns a string made by normalizing the `String`’s
|
||
/// contents using Form C.
|
||
public var precomposedStringWithCanonicalMapping: String {
|
||
return _ns.precomposedStringWithCanonicalMapping
|
||
}
|
||
|
||
// @property NSString * precomposedStringWithCompatibilityMapping;
|
||
|
||
/// Returns a string made by normalizing the `String`’s
|
||
/// contents using Form KC.
|
||
public var precomposedStringWithCompatibilityMapping: String {
|
||
return _ns.precomposedStringWithCompatibilityMapping
|
||
}
|
||
|
||
// - (id)propertyList
|
||
|
||
/// Parses the `String` as a text representation of a
|
||
/// property list, returning an NSString, NSData, NSArray, or
|
||
/// NSDictionary object, according to the topmost element.
|
||
@warn_unused_result
|
||
public func propertyList() -> AnyObject {
|
||
return _ns.propertyList()
|
||
}
|
||
|
||
// - (NSDictionary *)propertyListFromStringsFileFormat
|
||
|
||
/// Returns a dictionary object initialized with the keys and
|
||
/// values found in the `String`.
|
||
@warn_unused_result
|
||
public
|
||
func propertyListFromStringsFileFormat() -> [String : String] {
|
||
return _ns.propertyListFromStringsFileFormat() as! [String : String]
|
||
}
|
||
|
||
// - (NSRange)rangeOfCharacterFromSet:(NSCharacterSet *)aSet
|
||
//
|
||
// - (NSRange)
|
||
// rangeOfCharacterFromSet:(NSCharacterSet *)aSet
|
||
// options:(NSStringCompareOptions)mask
|
||
//
|
||
// - (NSRange)
|
||
// rangeOfCharacterFromSet:(NSCharacterSet *)aSet
|
||
// options:(NSStringCompareOptions)mask
|
||
// range:(NSRange)aRange
|
||
|
||
/// Finds and returns the range in the `String` of the first
|
||
/// character from a given character set found in a given range with
|
||
/// given options.
|
||
@warn_unused_result
|
||
public func rangeOfCharacterFromSet(
|
||
aSet: NSCharacterSet,
|
||
options mask:NSStringCompareOptions = [],
|
||
range aRange: Range<Index>? = nil
|
||
)-> Range<Index>? {
|
||
return _optionalRange(
|
||
_ns.rangeOfCharacterFromSet(
|
||
aSet, options: mask,
|
||
range: _toNSRange(aRange ?? self.characters.indices)))
|
||
}
|
||
|
||
// - (NSRange)rangeOfComposedCharacterSequenceAtIndex:(NSUInteger)anIndex
|
||
|
||
/// Returns the range in the `String` of the composed
|
||
/// character sequence located at a given index.
|
||
@warn_unused_result
|
||
public
|
||
func rangeOfComposedCharacterSequenceAtIndex(anIndex: Index) -> Range<Index> {
|
||
return _range(
|
||
_ns.rangeOfComposedCharacterSequenceAtIndex(anIndex._utf16Index))
|
||
}
|
||
|
||
// - (NSRange)rangeOfComposedCharacterSequencesForRange:(NSRange)range
|
||
|
||
/// Returns the range in the string of the composed character
|
||
/// sequences for a given range.
|
||
@warn_unused_result
|
||
public func rangeOfComposedCharacterSequencesForRange(
|
||
range: Range<Index>
|
||
) -> Range<Index> {
|
||
// Theoretically, this will be the identity function. In practice
|
||
// I think users will be able to observe differences in the input
|
||
// and output ranges due (if nothing else) to locale changes
|
||
return _range(
|
||
_ns.rangeOfComposedCharacterSequencesForRange(_toNSRange(range)))
|
||
}
|
||
|
||
// - (NSRange)rangeOfString:(NSString *)aString
|
||
//
|
||
// - (NSRange)
|
||
// rangeOfString:(NSString *)aString options:(NSStringCompareOptions)mask
|
||
//
|
||
// - (NSRange)
|
||
// rangeOfString:(NSString *)aString
|
||
// options:(NSStringCompareOptions)mask
|
||
// range:(NSRange)aRange
|
||
//
|
||
// - (NSRange)
|
||
// rangeOfString:(NSString *)aString
|
||
// options:(NSStringCompareOptions)mask
|
||
// range:(NSRange)searchRange
|
||
// locale:(NSLocale *)locale
|
||
|
||
/// Finds and returns the range of the first occurrence of a
|
||
/// given string within a given range of the `String`, subject to
|
||
/// given options, using the specified locale, if any.
|
||
@warn_unused_result
|
||
public func rangeOfString(
|
||
aString: String,
|
||
options mask: NSStringCompareOptions = [],
|
||
range searchRange: Range<Index>? = nil,
|
||
locale: NSLocale? = nil
|
||
) -> Range<Index>? {
|
||
return _optionalRange(
|
||
locale != nil ? _ns.rangeOfString(
|
||
aString, options: mask,
|
||
range: _toNSRange(searchRange ?? self.characters.indices),
|
||
locale: locale
|
||
)
|
||
: searchRange != nil ? _ns.rangeOfString(
|
||
aString, options: mask, range: _toNSRange(searchRange!)
|
||
)
|
||
: !mask.isEmpty ? _ns.rangeOfString(aString, options: mask)
|
||
: _ns.rangeOfString(aString)
|
||
)
|
||
}
|
||
|
||
// - (BOOL)localizedStandardContainsString:(NSString *)str NS_AVAILABLE(10_11, 9_0);
|
||
|
||
/// Returns `true` if `self` contains `string`, taking the current locale
|
||
/// into account.
|
||
///
|
||
/// This is the most appropriate method for doing user-level string searches,
|
||
/// similar to how searches are done generally in the system. The search is
|
||
/// locale-aware, case and diacritic insensitive. The exact list of search
|
||
/// options applied may change over time.
|
||
@warn_unused_result
|
||
@available(OSX 10.11, iOS 9.0, *)
|
||
public func localizedStandardContainsString(string: String) -> Bool {
|
||
return _ns.localizedStandardContainsString(string)
|
||
}
|
||
|
||
// - (NSRange)localizedStandardRangeOfString:(NSString *)str NS_AVAILABLE(10_11, 9_0);
|
||
|
||
/// Finds and returns the range of the first occurrence of a given string,
|
||
/// taking the current locale into account. Returns `nil` if the string was
|
||
/// not found.
|
||
///
|
||
/// This is the most appropriate method for doing user-level string searches,
|
||
/// similar to how searches are done generally in the system. The search is
|
||
/// locale-aware, case and diacritic insensitive. The exact list of search
|
||
/// options applied may change over time.
|
||
@warn_unused_result
|
||
@available(OSX 10.11, iOS 9.0, *)
|
||
public func localizedStandardRangeOfString(string: String) -> Range<Index>? {
|
||
return _optionalRange(_ns.localizedStandardRangeOfString(string))
|
||
}
|
||
|
||
// @property NSStringEncoding smallestEncoding;
|
||
|
||
/// Returns the smallest encoding to which the `String` can
|
||
/// be converted without loss of information.
|
||
public var smallestEncoding: NSStringEncoding {
|
||
return _ns.smallestEncoding
|
||
}
|
||
|
||
// @property NSString *stringByAbbreviatingWithTildeInPath;
|
||
|
||
/// Returns a new string that replaces the current home
|
||
/// directory portion of the current path with a tilde (`~`)
|
||
/// character.
|
||
@available(*, unavailable, message="Use stringByAbbreviatingWithTildeInPath on NSString instead.")
|
||
public var stringByAbbreviatingWithTildeInPath: String {
|
||
return _ns.stringByAbbreviatingWithTildeInPath
|
||
}
|
||
|
||
// - (NSString *)
|
||
// stringByAddingPercentEncodingWithAllowedCharacters:
|
||
// (NSCharacterSet *)allowedCharacters
|
||
|
||
/// Returns a new string made from the `String` by replacing
|
||
/// all characters not in the specified set with percent encoded
|
||
/// characters.
|
||
@warn_unused_result
|
||
public func stringByAddingPercentEncodingWithAllowedCharacters(
|
||
allowedCharacters: NSCharacterSet
|
||
) -> String? {
|
||
// FIXME: the documentation states that this method can return nil if the
|
||
// transformation is not possible, without going into further details. The
|
||
// implementation can only return nil if malloc() returns nil, so in
|
||
// practice this is not possible. Still, to be consistent with
|
||
// documentation, we declare the method as returning an optional String.
|
||
//
|
||
// <rdar://problem/17901698> Docs for -[NSString
|
||
// stringByAddingPercentEncodingWithAllowedCharacters] don't precisely
|
||
// describe when return value is nil
|
||
return _ns.stringByAddingPercentEncodingWithAllowedCharacters(
|
||
allowedCharacters
|
||
)
|
||
}
|
||
|
||
// - (NSString *)
|
||
// stringByAddingPercentEscapesUsingEncoding:(NSStringEncoding)encoding
|
||
|
||
/// Returns a representation of the `String` using a given
|
||
/// encoding to determine the percent escapes necessary to convert
|
||
/// the `String` into a legal URL string.
|
||
@available(*, deprecated, message="Use stringByAddingPercentEncodingWithAllowedCharacters(_:) instead, which always uses the recommended UTF-8 encoding, and which encodes for a specific URL component or subcomponent since each URL component or subcomponent has different rules for what characters are valid.")
|
||
public func stringByAddingPercentEscapesUsingEncoding(
|
||
encoding: NSStringEncoding
|
||
) -> String? {
|
||
return _ns.stringByAddingPercentEscapesUsingEncoding(encoding)
|
||
}
|
||
|
||
// - (NSString *)stringByAppendingFormat:(NSString *)format, ...
|
||
|
||
/// Returns a string made by appending to the `String` a
|
||
/// string constructed from a given format string and the following
|
||
/// arguments.
|
||
@warn_unused_result
|
||
public func stringByAppendingFormat(
|
||
format: String, _ arguments: CVarArg...
|
||
) -> String {
|
||
return _ns.stringByAppendingString(
|
||
String(format: format, arguments: arguments))
|
||
}
|
||
|
||
// - (NSString *)stringByAppendingPathComponent:(NSString *)aString
|
||
|
||
/// Returns a new string made by appending to the `String` a given string.
|
||
@available(*, unavailable, message="Use URLByAppendingPathComponent on NSURL instead.")
|
||
public func stringByAppendingPathComponent(aString: String) -> String {
|
||
return _ns.stringByAppendingPathComponent(aString)
|
||
}
|
||
|
||
// - (NSString *)stringByAppendingPathExtension:(NSString *)ext
|
||
|
||
/// Returns a new string made by appending to the `String` an
|
||
/// extension separator followed by a given extension.
|
||
@available(*, unavailable, message="Use URLByAppendingPathExtension on NSURL instead.")
|
||
public func stringByAppendingPathExtension(ext: String) -> String? {
|
||
// FIXME: This method can return nil in practice, for example when self is
|
||
// an empty string. OTOH, this is not documented, documentation says that
|
||
// it always returns a string.
|
||
//
|
||
// <rdar://problem/17902469> -[NSString stringByAppendingPathExtension] can
|
||
// return nil
|
||
return _ns.stringByAppendingPathExtension(ext)
|
||
}
|
||
|
||
// - (NSString *)stringByAppendingString:(NSString *)aString
|
||
|
||
/// Returns a new string made by appending a given string to
|
||
/// the `String`.
|
||
@warn_unused_result
|
||
public func stringByAppendingString(aString: String) -> String {
|
||
return _ns.stringByAppendingString(aString)
|
||
}
|
||
|
||
// @property NSString* stringByDeletingLastPathComponent;
|
||
|
||
/// Returns a new string made by deleting the last path
|
||
/// component from the `String`, along with any final path
|
||
/// separator.
|
||
@available(*, unavailable, message="Use URLByDeletingLastPathComponent on NSURL instead.")
|
||
public var stringByDeletingLastPathComponent: String {
|
||
return _ns.stringByDeletingLastPathComponent
|
||
}
|
||
|
||
// @property NSString* stringByDeletingPathExtension;
|
||
|
||
/// Returns a new string made by deleting the extension (if
|
||
/// any, and only the last) from the `String`.
|
||
@available(*, unavailable, message="Use URLByDeletingPathExtension on NSURL instead.")
|
||
public var stringByDeletingPathExtension: String {
|
||
return _ns.stringByDeletingPathExtension
|
||
}
|
||
|
||
// @property NSString* stringByExpandingTildeInPath;
|
||
|
||
/// Returns a new string made by expanding the initial
|
||
/// component of the `String` to its full path value.
|
||
@available(*, unavailable, message="Use stringByExpandingTildeInPath on NSString instead.")
|
||
public var stringByExpandingTildeInPath: String {
|
||
return _ns.stringByExpandingTildeInPath
|
||
}
|
||
|
||
// - (NSString *)
|
||
// stringByFoldingWithOptions:(NSStringCompareOptions)options
|
||
// locale:(NSLocale *)locale
|
||
|
||
/// Returns a string with the given character folding options
|
||
/// applied.
|
||
@warn_unused_result
|
||
public func stringByFoldingWithOptions(
|
||
options: NSStringCompareOptions, locale: NSLocale?
|
||
) -> String {
|
||
return _ns.stringByFoldingWithOptions(options, locale: locale)
|
||
}
|
||
|
||
// - (NSString *)stringByPaddingToLength:(NSUInteger)newLength
|
||
// withString:(NSString *)padString
|
||
// startingAtIndex:(NSUInteger)padIndex
|
||
|
||
/// Returns a new string formed from the `String` by either
|
||
/// removing characters from the end, or by appending as many
|
||
/// occurrences as necessary of a given pad string.
|
||
@warn_unused_result
|
||
public func stringByPaddingToLength(
|
||
newLength: Int, withString padString: String, startingAtIndex padIndex: Int
|
||
) -> String {
|
||
return _ns.stringByPaddingToLength(
|
||
newLength, withString: padString, startingAtIndex: padIndex)
|
||
}
|
||
|
||
// @property NSString* stringByRemovingPercentEncoding;
|
||
|
||
/// Returns a new string made from the `String` by replacing
|
||
/// all percent encoded sequences with the matching UTF-8
|
||
/// characters.
|
||
public var stringByRemovingPercentEncoding: String? {
|
||
return _ns.stringByRemovingPercentEncoding
|
||
}
|
||
|
||
// - (NSString *)
|
||
// stringByReplacingCharactersInRange:(NSRange)range
|
||
// withString:(NSString *)replacement
|
||
|
||
/// Returns a new string in which the characters in a
|
||
/// specified range of the `String` are replaced by a given string.
|
||
@warn_unused_result
|
||
public func stringByReplacingCharactersInRange(
|
||
range: Range<Index>, withString replacement: String
|
||
) -> String {
|
||
return _ns.stringByReplacingCharactersInRange(
|
||
_toNSRange(range), withString: replacement)
|
||
}
|
||
|
||
// - (NSString *)
|
||
// stringByReplacingOccurrencesOfString:(NSString *)target
|
||
// withString:(NSString *)replacement
|
||
//
|
||
// - (NSString *)
|
||
// stringByReplacingOccurrencesOfString:(NSString *)target
|
||
// withString:(NSString *)replacement
|
||
// options:(NSStringCompareOptions)options
|
||
// range:(NSRange)searchRange
|
||
|
||
/// Returns a new string in which all occurrences of a target
|
||
/// string in a specified range of the `String` are replaced by
|
||
/// another given string.
|
||
@warn_unused_result
|
||
public func stringByReplacingOccurrencesOfString(
|
||
target: String,
|
||
withString replacement: String,
|
||
options: NSStringCompareOptions = [],
|
||
range searchRange: Range<Index>? = nil
|
||
) -> String {
|
||
return (searchRange != nil) || (!options.isEmpty)
|
||
? _ns.stringByReplacingOccurrencesOfString(
|
||
target,
|
||
withString: replacement, options: options,
|
||
range: _toNSRange(searchRange ?? self.characters.indices)
|
||
)
|
||
: _ns.stringByReplacingOccurrencesOfString(target, withString: replacement)
|
||
}
|
||
|
||
// - (NSString *)
|
||
// stringByReplacingPercentEscapesUsingEncoding:(NSStringEncoding)encoding
|
||
|
||
/// Returns a new string made by replacing in the `String`
|
||
/// all percent escapes with the matching characters as determined
|
||
/// by a given encoding.
|
||
@available(*, deprecated, message="Use stringByRemovingPercentEncoding instead, which always uses the recommended UTF-8 encoding.")
|
||
public func stringByReplacingPercentEscapesUsingEncoding(
|
||
encoding: NSStringEncoding
|
||
) -> String? {
|
||
return _ns.stringByReplacingPercentEscapesUsingEncoding(encoding)
|
||
}
|
||
|
||
// @property NSString* stringByResolvingSymlinksInPath;
|
||
|
||
/// Returns a new string made from the `String` by resolving
|
||
/// all symbolic links and standardizing path.
|
||
@available(*, unavailable, message="Use URLByResolvingSymlinksInPath on NSURL instead.")
|
||
public var stringByResolvingSymlinksInPath: String {
|
||
return _ns.stringByResolvingSymlinksInPath
|
||
}
|
||
|
||
// @property NSString* stringByStandardizingPath;
|
||
|
||
/// Returns a new string made by removing extraneous path
|
||
/// components from the `String`.
|
||
@available(*, unavailable, message="Use URLByStandardizingPath on NSURL instead.")
|
||
public var stringByStandardizingPath: String {
|
||
return _ns.stringByStandardizingPath
|
||
}
|
||
|
||
// - (NSString *)stringByTrimmingCharactersInSet:(NSCharacterSet *)set
|
||
|
||
/// Returns a new string made by removing from both ends of
|
||
/// the `String` characters contained in a given character set.
|
||
@warn_unused_result
|
||
public func stringByTrimmingCharactersInSet(set: NSCharacterSet) -> String {
|
||
return _ns.stringByTrimmingCharactersInSet(set)
|
||
}
|
||
|
||
// - (NSArray *)stringsByAppendingPaths:(NSArray *)paths
|
||
|
||
/// Returns an array of strings made by separately appending
|
||
/// to the `String` each string in in a given array.
|
||
@available(*, unavailable, message="map over paths with URLByAppendingPathComponent instead.")
|
||
public func stringsByAppendingPaths(paths: [String]) -> [String] {
|
||
return _ns.stringsByAppendingPaths(paths)
|
||
}
|
||
|
||
// - (NSString *)substringFromIndex:(NSUInteger)anIndex
|
||
|
||
/// Returns a new string containing the characters of the
|
||
/// `String` from the one at a given index to the end.
|
||
@warn_unused_result
|
||
public func substringFromIndex(index: Index) -> String {
|
||
return _ns.substringFromIndex(index._utf16Index)
|
||
}
|
||
|
||
// - (NSString *)substringToIndex:(NSUInteger)anIndex
|
||
|
||
/// Returns a new string containing the characters of the
|
||
/// `String` up to, but not including, the one at a given index.
|
||
@warn_unused_result
|
||
public func substringToIndex(index: Index) -> String {
|
||
return _ns.substringToIndex(index._utf16Index)
|
||
}
|
||
|
||
// - (NSString *)substringWithRange:(NSRange)aRange
|
||
|
||
/// Returns a string object containing the characters of the
|
||
/// `String` that lie within a given range.
|
||
@warn_unused_result
|
||
public func substringWithRange(aRange: Range<Index>) -> String {
|
||
return _ns.substringWithRange(_toNSRange(aRange))
|
||
}
|
||
|
||
// @property (readonly, copy) NSString *localizedUppercaseString NS_AVAILABLE(10_11, 9_0);
|
||
|
||
/// An uppercase version of the string that is produced using the current
|
||
/// locale.
|
||
@available(OSX 10.11, iOS 9.0, *)
|
||
public var localizedUppercaseString: String {
|
||
return _ns.localizedUppercaseString as String
|
||
}
|
||
|
||
// - (NSString *)uppercaseStringWithLocale:(NSLocale *)locale
|
||
|
||
/// Returns a version of the string with all letters
|
||
/// converted to uppercase, taking into account the specified
|
||
/// locale.
|
||
@warn_unused_result
|
||
public func uppercaseStringWithLocale(locale: NSLocale?) -> String {
|
||
return _ns.uppercaseStringWithLocale(locale)
|
||
}
|
||
|
||
//===--- Omitted due to redundancy with "utf8" property -----------------===//
|
||
// - (const char *)UTF8String
|
||
|
||
// - (BOOL)
|
||
// writeToFile:(NSString *)path
|
||
// atomically:(BOOL)useAuxiliaryFile
|
||
// encoding:(NSStringEncoding)enc
|
||
// error:(NSError **)error
|
||
|
||
/// Writes the contents of the `String` to a file at a given
|
||
/// path using a given encoding.
|
||
public func writeToFile(
|
||
path: String, atomically useAuxiliaryFile:Bool,
|
||
encoding enc: NSStringEncoding
|
||
) throws {
|
||
try self._ns.writeToFile(
|
||
path, atomically: useAuxiliaryFile, encoding: enc)
|
||
}
|
||
|
||
// - (BOOL)
|
||
// writeToURL:(NSURL *)url
|
||
// atomically:(BOOL)useAuxiliaryFile
|
||
// encoding:(NSStringEncoding)enc
|
||
// error:(NSError **)error
|
||
|
||
/// Writes the contents of the `String` to the URL specified
|
||
/// by url using the specified encoding.
|
||
public func writeToURL(
|
||
url: NSURL, atomically useAuxiliaryFile: Bool,
|
||
encoding enc: NSStringEncoding
|
||
) throws {
|
||
try self._ns.writeToURL(
|
||
url, atomically: useAuxiliaryFile, encoding: enc)
|
||
}
|
||
|
||
// - (nullable NSString *)stringByApplyingTransform:(NSString *)transform reverse:(BOOL)reverse NS_AVAILABLE(10_11, 9_0);
|
||
|
||
/// Perform string transliteration.
|
||
@warn_unused_result
|
||
@available(OSX 10.11, iOS 9.0, *)
|
||
public func stringByApplyingTransform(
|
||
transform: String, reverse: Bool
|
||
) -> String? {
|
||
return _ns.stringByApplyingTransform(transform, reverse: reverse)
|
||
}
|
||
|
||
//===--- From the 10.10 release notes; not in public documentation ------===//
|
||
// No need to make these unavailable on earlier OSes, since they can
|
||
// forward trivially to rangeOfString.
|
||
|
||
/// Returns `true` iff `other` is non-empty and contained within
|
||
/// `self` by case-sensitive, non-literal search.
|
||
///
|
||
/// Equivalent to `self.rangeOfString(other) != nil`
|
||
@warn_unused_result
|
||
public func containsString(other: String) -> Bool {
|
||
let r = self.rangeOfString(other) != nil
|
||
if #available(OSX 10.10, iOS 8.0, *) {
|
||
_sanityCheck(r == _ns.containsString(other))
|
||
}
|
||
return r
|
||
}
|
||
|
||
/// Returns `true` iff `other` is non-empty and contained within
|
||
/// `self` by case-insensitive, non-literal search, taking into
|
||
/// account the current locale.
|
||
///
|
||
/// Locale-independent case-insensitive operation, and other needs,
|
||
/// can be achieved by calling
|
||
/// `rangeOfString(_:options:_,range:_locale:_)`.
|
||
///
|
||
/// Equivalent to
|
||
///
|
||
/// self.rangeOfString(
|
||
/// other, options: .CaseInsensitiveSearch,
|
||
/// locale: NSLocale.currentLocale()) != nil
|
||
@warn_unused_result
|
||
public func localizedCaseInsensitiveContainsString(other: String) -> Bool {
|
||
let r = self.rangeOfString(
|
||
other, options: .CaseInsensitiveSearch, locale: NSLocale.currentLocale()
|
||
) != nil
|
||
if #available(OSX 10.10, iOS 8.0, *) {
|
||
_sanityCheck(r == _ns.localizedCaseInsensitiveContainsString(other))
|
||
}
|
||
return r
|
||
}
|
||
}
|
||
|