base/strings/latin1_string_conversions.h

   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 <string>
   9
  10 #include "base/base_export.h"
  11 #include "base/strings/string16.h"
  12
  13 namespace base {
  14
  15 // This definition of Latin1Char matches the definition of LChar in Blink. We
  16 // use unsigned char rather than char to make less tempting to mix and match
  17 // Latin-1 and UTF-8 characters..
  18 typedef unsigned char Latin1Char;
  19
  20 // This somewhat odd function is designed to help us convert from Blink Strings
  21 // to string16. A Blink string is either backed by an array of Latin-1
  22 // characters or an array of UTF-16 characters. This function is called by
  23 // WebString::operator string16() to convert one or the other character array
  24 // to string16. This function is defined here rather than in WebString.h to
  25 // avoid binary bloat in all the callers of the conversion operator.
  26 BASE_EXPORT string16 Latin1OrUTF16ToUTF16(size_t length,
  27                                           const Latin1Char* latin1,
  28                                           const char16* utf16);
  29
  30 }  // namespace base
  31
  32 #endif  // BASE_STRINGS_LATIN1_STRING_CONVERSIONS_H_