xref: /aosp_15_r20/external/libchrome/base/strings/latin1_string_conversions.h (revision 635a864187cb8b6c713ff48b7e790a6b21769273)
1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef BASE_STRINGS_LATIN1_STRING_CONVERSIONS_H_
6 #define BASE_STRINGS_LATIN1_STRING_CONVERSIONS_H_
7 
8 #include <stddef.h>
9 
10 #include <string>
11 
12 #include "base/base_export.h"
13 #include "base/strings/string16.h"
14 
15 namespace base {
16 
17 // This definition of Latin1Char matches the definition of LChar in Blink. We
18 // use unsigned char rather than char to make less tempting to mix and match
19 // Latin-1 and UTF-8 characters..
20 typedef unsigned char Latin1Char;
21 
22 // This somewhat odd function is designed to help us convert from Blink Strings
23 // to string16. A Blink string is either backed by an array of Latin-1
24 // characters or an array of UTF-16 characters. This function is called by
25 // WebString::operator string16() to convert one or the other character array
26 // to string16. This function is defined here rather than in WebString.h to
27 // avoid binary bloat in all the callers of the conversion operator.
28 BASE_EXPORT string16 Latin1OrUTF16ToUTF16(size_t length,
29                                           const Latin1Char* latin1,
30                                           const char16* utf16);
31 
32 }  // namespace base
33 
34 #endif  // BASE_STRINGS_LATIN1_STRING_CONVERSIONS_H_
35