ipc/glue imported verbatim from http://hg.mozilla.org/users/bturner_mozilla.com/libchromiumipc/

ipc/glue/StringUtil.cpp

@@ -0,0 +1,153 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla IPC.
+ *
+ * The Initial Developer of the Original Code is
+ *   Chris Jones <jones.chris.g@gmail.com>.
+ * Portions created by the Initial Developer are Copyright (C) 2009
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "base/string_util.h"
+
+// 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 "base/string_piece.h"
+#include "base/string_util.h"
+
+#include "build/build_config.h"
+
+// FIXME/cjones: these really only pertain to the linux sys string
+// converters.
+#ifdef WCHAR_T_IS_UTF16
+#  define ICONV_WCHAR_T_ENCODING "UTF-16"
+#else
+#  define ICONV_WCHAR_T_ENCODING "WCHAR_T"
+#endif
+
+// FIXME/cjones: BIG assumption here that std::string is a good
+// container of UTF8-encoded strings.  this is probably wrong, as its
+// API doesn't really make sense for UTF8.
+
+namespace base {
+string16 SysWideToUTF16(const std::wstring& wide);
+
+// FIXME/cjones: as its name implies, this function is a hack.
+template<typename FromType, typename ToType>
+ToType
+GhettoStringConvert(const FromType& in)
+{
+  // FIXME/cjones: assumes no non-ASCII characters in |in|
+  ToType out;
+  out.resize(in.length());
+  for (int i = 0; i < static_cast<int>(in.length()); ++i)
+      out[i] = static_cast<typename ToType::value_type>(in[i]);
+  return out;
+}
+}
+
+// Implement functions that were in the chromium ICU library, which
+// we're not taking.
+
+std::string
+WideToUTF8(const std::wstring& wide)
+{
+    return base::SysWideToUTF8(wide);
+}
+
+string16
+UTF8ToUTF16(const std::string& utf8)
+{
+    // FIXME/cjones: do proper conversion
+    return base::GhettoStringConvert<std::string, string16>(utf8);
+}
+
+std::wstring
+UTF8ToWide(const StringPiece& utf8)
+{
+    return base::SysUTF8ToWide(utf8);
+}
+
+string16
+WideToUTF16(const std::wstring& wide)
+{
+    return base::SysWideToUTF16(wide);
+}
+
+std::string
+UTF16ToUTF8(const string16& utf16)
+{
+    // FIXME/cjones: do proper conversion
+    return base::GhettoStringConvert<string16, std::string>(utf16);
+}
+
+namespace base {
+
+// FIXME/cjones: here we're entirely replacing the linux string
+// converters, and implementing the one that doesn't exist for OS X.
+
+#ifndef OS_MACOSX
+std::string SysWideToUTF8(const std::wstring& wide) {
+  // FIXME/cjones: do this with iconv
+  return GhettoStringConvert<std::wstring, std::string>(wide);
+}
+#endif
+
+string16 SysWideToUTF16(const std::wstring& wide)
+{
+#if defined(WCHAR_T_IS_UTF16)
+  return wide;
+#else
+  // FIXME/cjones: do this with iconv for linux, other for OS X
+  return GhettoStringConvert<std::wstring, string16>(wide);
+#endif
+}
+
+#ifndef OS_MACOSX
+std::wstring SysUTF8ToWide(const StringPiece& utf8) {
+  // FIXME/cjones: do this with iconv
+  return GhettoStringConvert<StringPiece, std::wstring>(utf8);
+}
+
+std::string SysWideToNativeMB(const std::wstring& wide) {
+  // TODO(evanm): we can't assume Linux is UTF-8.
+  return SysWideToUTF8(wide);
+}
+
+std::wstring SysNativeMBToWide(const StringPiece& native_mb) {
+  // TODO(evanm): we can't assume Linux is UTF-8.
+  return SysUTF8ToWide(native_mb);
+}
+#endif
+
+}  // namespace base