xref: /aosp_15_r20/external/webrtc/sdk/objc/helpers/NSString+StdString.mm (revision d9f758449e529ab9291ac668be2861e7a55c2422)
1/*
2 *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#import "NSString+StdString.h"
12
13#include "absl/strings/string_view.h"
14
15@implementation NSString (StdString)
16
17- (std::string)stdString {
18  return [NSString stdStringForString:self];
19}
20
21+ (std::string)stdStringForString:(NSString *)nsString {
22  NSData *charData = [nsString dataUsingEncoding:NSUTF8StringEncoding];
23  return std::string(reinterpret_cast<const char *>(charData.bytes),
24                     charData.length);
25}
26
27+ (NSString *)stringForStdString:(const std::string&)stdString {
28  // std::string may contain null termination character so we construct
29  // using length.
30  return [[NSString alloc] initWithBytes:stdString.data()
31                                  length:stdString.length()
32                                encoding:NSUTF8StringEncoding];
33}
34
35@end
36
37@implementation NSString (AbslStringView)
38
39+ (NSString *)stringForAbslStringView:(const absl::string_view)abslStringView {
40  return [[NSString alloc] initWithBytes:abslStringView.data()
41                                  length:abslStringView.length()
42                                encoding:NSUTF8StringEncoding];
43}
44
45@end
46