xref: /aosp_15_r20/external/libchrome/base/strings/latin1_string_conversions.h (revision 635a864187cb8b6c713ff48b7e790a6b21769273)
1*635a8641SAndroid Build Coastguard Worker // Copyright 2013 The Chromium Authors. All rights reserved.
2*635a8641SAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be
3*635a8641SAndroid Build Coastguard Worker // found in the LICENSE file.
4*635a8641SAndroid Build Coastguard Worker 
5*635a8641SAndroid Build Coastguard Worker #ifndef BASE_STRINGS_LATIN1_STRING_CONVERSIONS_H_
6*635a8641SAndroid Build Coastguard Worker #define BASE_STRINGS_LATIN1_STRING_CONVERSIONS_H_
7*635a8641SAndroid Build Coastguard Worker 
8*635a8641SAndroid Build Coastguard Worker #include <stddef.h>
9*635a8641SAndroid Build Coastguard Worker 
10*635a8641SAndroid Build Coastguard Worker #include <string>
11*635a8641SAndroid Build Coastguard Worker 
12*635a8641SAndroid Build Coastguard Worker #include "base/base_export.h"
13*635a8641SAndroid Build Coastguard Worker #include "base/strings/string16.h"
14*635a8641SAndroid Build Coastguard Worker 
15*635a8641SAndroid Build Coastguard Worker namespace base {
16*635a8641SAndroid Build Coastguard Worker 
17*635a8641SAndroid Build Coastguard Worker // This definition of Latin1Char matches the definition of LChar in Blink. We
18*635a8641SAndroid Build Coastguard Worker // use unsigned char rather than char to make less tempting to mix and match
19*635a8641SAndroid Build Coastguard Worker // Latin-1 and UTF-8 characters..
20*635a8641SAndroid Build Coastguard Worker typedef unsigned char Latin1Char;
21*635a8641SAndroid Build Coastguard Worker 
22*635a8641SAndroid Build Coastguard Worker // This somewhat odd function is designed to help us convert from Blink Strings
23*635a8641SAndroid Build Coastguard Worker // to string16. A Blink string is either backed by an array of Latin-1
24*635a8641SAndroid Build Coastguard Worker // characters or an array of UTF-16 characters. This function is called by
25*635a8641SAndroid Build Coastguard Worker // WebString::operator string16() to convert one or the other character array
26*635a8641SAndroid Build Coastguard Worker // to string16. This function is defined here rather than in WebString.h to
27*635a8641SAndroid Build Coastguard Worker // avoid binary bloat in all the callers of the conversion operator.
28*635a8641SAndroid Build Coastguard Worker BASE_EXPORT string16 Latin1OrUTF16ToUTF16(size_t length,
29*635a8641SAndroid Build Coastguard Worker                                           const Latin1Char* latin1,
30*635a8641SAndroid Build Coastguard Worker                                           const char16* utf16);
31*635a8641SAndroid Build Coastguard Worker 
32*635a8641SAndroid Build Coastguard Worker }  // namespace base
33*635a8641SAndroid Build Coastguard Worker 
34*635a8641SAndroid Build Coastguard Worker #endif  // BASE_STRINGS_LATIN1_STRING_CONVERSIONS_H_
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