// Copyright 2009 The Chromium Authors. All rights reserved.
|
// Use of this source code is governed by a BSD-style license that can be
|
// found in the LICENSE file.
|
|
#include "base/strings/utf_string_conversions.h"
|
|
#include <stdint.h>
|
|
#include <string>
|
|
#include "base/strings/string16.h"
|
#include "base/strings/utf_string_conversion_utils.h"
|
#include "build/build_config.h"
|
|
namespace {
|
|
template<typename SRC_CHAR, typename DEST_STRING>
|
bool ConvertUnicode(const SRC_CHAR* src,
|
size_t src_len,
|
DEST_STRING* output) {
|
bool success = true;
|
int32_t src_len32 = static_cast<int32_t>(src_len);
|
for (int32_t i = 0; i < src_len32; i++) {
|
uint32_t code_point;
|
if (base::ReadUnicodeCharacter(src, src_len32, &i, &code_point)) {
|
base::WriteUnicodeCharacter(code_point, output);
|
} else {
|
base::WriteUnicodeCharacter(0xFFFD, output);
|
success = false;
|
}
|
}
|
|
return success;
|
}
|
|
} // namespace
|
|
namespace base {
|
|
bool UTF8ToUTF16(const char* src, size_t src_len, string16* output) {
|
base::PrepareForUTF16Or32Output(src, src_len, output);
|
return ConvertUnicode(src, src_len, output);
|
}
|
|
string16 UTF8ToUTF16(const StringPiece& utf8) {
|
string16 ret;
|
UTF8ToUTF16(utf8.data(), utf8.length(), &ret);
|
return ret;
|
}
|
|
bool UTF16ToUTF8(const char16* src, size_t src_len, std::string* output) {
|
base::PrepareForUTF8Output(src, src_len, output);
|
return ConvertUnicode(src, src_len, output);
|
}
|
|
std::string UTF16ToUTF8(const StringPiece16& utf16) {
|
std::string ret;
|
UTF16ToUTF8(utf16.data(), utf16.length(), &ret);
|
return ret;
|
}
|
|
#if defined(WCHAR_T_IS_UTF16)
|
std::string WideToUTF8(WStringPiece wide) {
|
std::string ret;
|
UTF16ToUTF8(reinterpret_cast<const char16*>(wide.data()), wide.size(), &ret);
|
return ret;
|
}
|
|
std::wstring UTF8ToWide(StringPiece utf8) {
|
std::wstring ret;
|
base::PrepareForUTF16Or32Output(utf8.data(), utf8.size(), &ret);
|
ConvertUnicode(utf8.data(), utf8.size(), &ret);
|
return ret;
|
}
|
#endif // defined(WCHAR_T_IS_UTF16)
|
|
} // namespace
|
