summaryrefslogtreecommitdiffstats
path: root/security/sandbox/chromium/base/strings/utf_string_conversions.cc
diff options
context:
space:
mode:
Diffstat (limited to 'security/sandbox/chromium/base/strings/utf_string_conversions.cc')
-rw-r--r--security/sandbox/chromium/base/strings/utf_string_conversions.cc231
1 files changed, 0 insertions, 231 deletions
diff --git a/security/sandbox/chromium/base/strings/utf_string_conversions.cc b/security/sandbox/chromium/base/strings/utf_string_conversions.cc
deleted file mode 100644
index 6b17eacd6..000000000
--- a/security/sandbox/chromium/base/strings/utf_string_conversions.cc
+++ /dev/null
@@ -1,231 +0,0 @@
-// Copyright (c) 2010 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 "base/strings/string_piece.h"
-#include "base/strings/string_util.h"
-#include "base/strings/utf_string_conversion_utils.h"
-#include "build/build_config.h"
-
-namespace base {
-
-namespace {
-
-// Generalized Unicode converter -----------------------------------------------
-
-// Converts the given source Unicode character type to the given destination
-// Unicode character type as a STL string. The given input buffer and size
-// determine the source, and the given output STL string will be replaced by
-// the result.
-template<typename SRC_CHAR, typename DEST_STRING>
-bool ConvertUnicode(const SRC_CHAR* src,
- size_t src_len,
- DEST_STRING* output) {
- // ICU requires 32-bit numbers.
- 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 (ReadUnicodeCharacter(src, src_len32, &i, &code_point)) {
- WriteUnicodeCharacter(code_point, output);
- } else {
- WriteUnicodeCharacter(0xFFFD, output);
- success = false;
- }
- }
-
- return success;
-}
-
-} // namespace
-
-// UTF-8 <-> Wide --------------------------------------------------------------
-
-bool WideToUTF8(const wchar_t* src, size_t src_len, std::string* output) {
- if (IsStringASCII(std::wstring(src, src_len))) {
- output->assign(src, src + src_len);
- return true;
- } else {
- PrepareForUTF8Output(src, src_len, output);
- return ConvertUnicode(src, src_len, output);
- }
-}
-
-std::string WideToUTF8(const std::wstring& wide) {
- if (IsStringASCII(wide)) {
- return std::string(wide.data(), wide.data() + wide.length());
- }
-
- std::string ret;
- PrepareForUTF8Output(wide.data(), wide.length(), &ret);
- ConvertUnicode(wide.data(), wide.length(), &ret);
- return ret;
-}
-
-bool UTF8ToWide(const char* src, size_t src_len, std::wstring* output) {
- if (IsStringASCII(StringPiece(src, src_len))) {
- output->assign(src, src + src_len);
- return true;
- } else {
- PrepareForUTF16Or32Output(src, src_len, output);
- return ConvertUnicode(src, src_len, output);
- }
-}
-
-std::wstring UTF8ToWide(StringPiece utf8) {
- if (IsStringASCII(utf8)) {
- return std::wstring(utf8.begin(), utf8.end());
- }
-
- std::wstring ret;
- PrepareForUTF16Or32Output(utf8.data(), utf8.length(), &ret);
- ConvertUnicode(utf8.data(), utf8.length(), &ret);
- return ret;
-}
-
-// UTF-16 <-> Wide -------------------------------------------------------------
-
-#if defined(WCHAR_T_IS_UTF16)
-
-// When wide == UTF-16, then conversions are a NOP.
-bool WideToUTF16(const wchar_t* src, size_t src_len, string16* output) {
- output->assign(src, src_len);
- return true;
-}
-
-string16 WideToUTF16(const std::wstring& wide) {
- return wide;
-}
-
-bool UTF16ToWide(const char16* src, size_t src_len, std::wstring* output) {
- output->assign(src, src_len);
- return true;
-}
-
-std::wstring UTF16ToWide(const string16& utf16) {
- return utf16;
-}
-
-#elif defined(WCHAR_T_IS_UTF32)
-
-bool WideToUTF16(const wchar_t* src, size_t src_len, string16* output) {
- output->clear();
- // Assume that normally we won't have any non-BMP characters so the counts
- // will be the same.
- output->reserve(src_len);
- return ConvertUnicode(src, src_len, output);
-}
-
-string16 WideToUTF16(const std::wstring& wide) {
- string16 ret;
- WideToUTF16(wide.data(), wide.length(), &ret);
- return ret;
-}
-
-bool UTF16ToWide(const char16* src, size_t src_len, std::wstring* output) {
- output->clear();
- // Assume that normally we won't have any non-BMP characters so the counts
- // will be the same.
- output->reserve(src_len);
- return ConvertUnicode(src, src_len, output);
-}
-
-std::wstring UTF16ToWide(const string16& utf16) {
- std::wstring ret;
- UTF16ToWide(utf16.data(), utf16.length(), &ret);
- return ret;
-}
-
-#endif // defined(WCHAR_T_IS_UTF32)
-
-// UTF16 <-> UTF8 --------------------------------------------------------------
-
-#if defined(WCHAR_T_IS_UTF32)
-
-bool UTF8ToUTF16(const char* src, size_t src_len, string16* output) {
- if (IsStringASCII(StringPiece(src, src_len))) {
- output->assign(src, src + src_len);
- return true;
- } else {
- PrepareForUTF16Or32Output(src, src_len, output);
- return ConvertUnicode(src, src_len, output);
- }
-}
-
-string16 UTF8ToUTF16(StringPiece utf8) {
- if (IsStringASCII(utf8)) {
- return string16(utf8.begin(), utf8.end());
- }
-
- string16 ret;
- PrepareForUTF16Or32Output(utf8.data(), utf8.length(), &ret);
- // Ignore the success flag of this call, it will do the best it can for
- // invalid input, which is what we want here.
- ConvertUnicode(utf8.data(), utf8.length(), &ret);
- return ret;
-}
-
-bool UTF16ToUTF8(const char16* src, size_t src_len, std::string* output) {
- if (IsStringASCII(StringPiece16(src, src_len))) {
- output->assign(src, src + src_len);
- return true;
- } else {
- PrepareForUTF8Output(src, src_len, output);
- return ConvertUnicode(src, src_len, output);
- }
-}
-
-std::string UTF16ToUTF8(StringPiece16 utf16) {
- if (IsStringASCII(utf16)) {
- return std::string(utf16.begin(), utf16.end());
- }
-
- std::string ret;
- // Ignore the success flag of this call, it will do the best it can for
- // invalid input, which is what we want here.
- UTF16ToUTF8(utf16.data(), utf16.length(), &ret);
- return ret;
-}
-
-#elif defined(WCHAR_T_IS_UTF16)
-// Easy case since we can use the "wide" versions we already wrote above.
-
-bool UTF8ToUTF16(const char* src, size_t src_len, string16* output) {
- return UTF8ToWide(src, src_len, output);
-}
-
-string16 UTF8ToUTF16(StringPiece utf8) {
- return UTF8ToWide(utf8);
-}
-
-bool UTF16ToUTF8(const char16* src, size_t src_len, std::string* output) {
- return WideToUTF8(src, src_len, output);
-}
-
-std::string UTF16ToUTF8(StringPiece16 utf16) {
- if (IsStringASCII(utf16))
- return std::string(utf16.data(), utf16.data() + utf16.length());
-
- std::string ret;
- PrepareForUTF8Output(utf16.data(), utf16.length(), &ret);
- ConvertUnicode(utf16.data(), utf16.length(), &ret);
- return ret;
-}
-
-#endif
-
-string16 ASCIIToUTF16(StringPiece ascii) {
- DCHECK(IsStringASCII(ascii)) << ascii;
- return string16(ascii.begin(), ascii.end());
-}
-
-std::string UTF16ToASCII(StringPiece16 utf16) {
- DCHECK(IsStringASCII(utf16)) << UTF16ToUTF8(utf16);
- return std::string(utf16.begin(), utf16.end());
-}
-
-} // namespace base