1 files changed, 68 insertions, 0 deletions
diff --git a/ipc/chromium/src/base/sys_string_conversions_win.cc b/ipc/chromium/src/base/sys_string_conversions_win.cc
new file mode 100644
index 0000000000..148685ca7e
--- /dev/null
+++ b/ipc/chromium/src/base/sys_string_conversions_win.cc
@@ -0,0 +1,68 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+// Copyright (c) 2006-2008 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/sys_string_conversions.h"
+
+#include <windows.h>
+
+#include "base/string_piece.h"
+
+namespace base {
+
+// Do not assert in this function since it is used by the asssertion code!
+std::wstring SysMultiByteToWide(const StringPiece& mb, uint32_t code_page) {
+  if (mb.empty()) return std::wstring();
+
+  int mb_length = static_cast<int>(mb.length());
+  // Compute the length of the buffer.
+  int charcount =
+      MultiByteToWideChar(code_page, 0, mb.data(), mb_length, NULL, 0);
+  if (charcount == 0) return std::wstring();
+
+  std::wstring wide;
+  wide.resize(charcount);
+  MultiByteToWideChar(code_page, 0, mb.data(), mb_length, &wide[0], charcount);
+
+  return wide;
+}
+
+// Do not assert in this function since it is used by the asssertion code!
+std::string SysWideToMultiByte(const std::wstring& wide, uint32_t code_page) {
+  int wide_length = static_cast<int>(wide.length());
+  if (wide_length == 0) return std::string();
+
+  // Compute the length of the buffer we'll need.
+  int charcount = WideCharToMultiByte(code_page, 0, wide.data(), wide_length,
+                                      NULL, 0, NULL, NULL);
+  if (charcount == 0) return std::string();
+
+  std::string mb;
+  mb.resize(charcount);
+  WideCharToMultiByte(code_page, 0, wide.data(), wide_length, &mb[0], charcount,
+                      NULL, NULL);
+
+  return mb;
+}
+
+// Do not assert in this function since it is used by the asssertion code!
+std::string SysWideToUTF8(const std::wstring& wide) {
+  return SysWideToMultiByte(wide, CP_UTF8);
+}
+
+// Do not assert in this function since it is used by the asssertion code!
+std::wstring SysUTF8ToWide(const StringPiece& utf8) {
+  return SysMultiByteToWide(utf8, CP_UTF8);
+}
+
+std::string SysWideToNativeMB(const std::wstring& wide) {
+  return SysWideToMultiByte(wide, CP_ACP);
+}
+
+std::wstring SysNativeMBToWide(const StringPiece& native_mb) {
+  return SysMultiByteToWide(native_mb, CP_ACP);
+}
+
+}  // namespace base