Move FilePath <-> Value conversions into a separate file.

BUG=75276
TEST=none

Review URL: http://codereview.chromium.org/6691011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@78182 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 52 insertions, 0 deletions

diff --git a/base/value_conversions.cc b/base/value_conversions.cc
new file mode 100644
index 0000000..09522be
--- /dev/null
+++ b/base/value_conversions.cc
@@ -0,0 +1,52 @@
+// Copyright (c) 2011 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/value_conversions.h"
+
+#include "base/file_path.h"
+#include "base/sys_string_conversions.h"
+#include "base/utf_string_conversions.h"
+#include "base/values.h"
+
+namespace base {
+
+namespace {
+
+// |Value| internally stores strings in UTF-8, so we have to convert from the
+// system native code to UTF-8 and back.
+
+std::string FilePathToUTF8(const FilePath& file_path) {
+#if defined(OS_POSIX)
+  return WideToUTF8(SysNativeMBToWide(file_path.value()));
+#else
+  return UTF16ToUTF8(file_path.value());
+#endif
+}
+
+FilePath UTF8ToFilePath(const std::string& str) {
+  FilePath::StringType result;
+#if defined(OS_POSIX)
+  result = SysWideToNativeMB(UTF8ToWide(str));
+#elif defined(OS_WIN)
+  result = UTF8ToUTF16(str);
+#endif
+  return FilePath(result);
+}
+
+}  // namespace
+
+StringValue* CreateFilePathValue(const FilePath& in_value) {
+  return new StringValue(internal::FilePathToUTF8(in_value));
+}
+
+bool GetValueAsFilePath(const Value& value, FilePath* file_path) {
+  std::string str;
+  if (!value.GetAsString(&str))
+    return false;
+  if (file_path)
+    *file_path = internal::UTF8ToFilePath(str);
+  return true;
+}
+
+}  // namespace base