Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 101 insertions, 0 deletions

diff --git a/chrome/common/json_value_serializer.cc b/chrome/common/json_value_serializer.cc
new file mode 100644
index 0000000..0049fc6
--- /dev/null
+++ b/chrome/common/json_value_serializer.cc
@@ -0,0 +1,101 @@
+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "chrome/common/json_value_serializer.h"
+
+#include "base/json_reader.h"
+#include "base/json_writer.h"
+#include "base/string_util.h"
+#include "chrome/common/logging_chrome.h"
+
+JSONStringValueSerializer::~JSONStringValueSerializer() {}
+
+bool JSONStringValueSerializer::Serialize(const Value& root) {
+  if (!json_string_ || initialized_with_const_string_)
+    return false;
+
+  JSONWriter::Write(&root, pretty_print_, json_string_);
+
+  return true;
+}
+
+bool JSONStringValueSerializer::Deserialize(Value** root) {
+  if (!json_string_)
+    return false;
+
+  return JSONReader::Read(*json_string_, root);
+}
+
+/******* File Serializer *******/
+
+bool JSONFileValueSerializer::Serialize(const Value& root) {
+  std::string json_string;
+  JSONStringValueSerializer serializer(&json_string);
+  serializer.set_pretty_print(true);
+  bool result = serializer.Serialize(root);
+  if (!result)
+    return false;
+
+  FILE* file = NULL;
+  _wfopen_s(&file, json_file_path_.c_str(), L"wb");
+  if (!file)
+    return false;
+
+  size_t amount_written =
+    fwrite(json_string.data(), 1, json_string.size(), file);
+  fclose(file);
+
+  return amount_written == json_string.size();
+}
+
+bool JSONFileValueSerializer::Deserialize(Value** root) {
+  FILE* file = NULL;
+  _wfopen_s(&file, json_file_path_.c_str(), L"rb");
+  if (!file)
+    return false;
+
+  fseek(file, 0, SEEK_END);
+  size_t file_size = ftell(file);
+  rewind(file);
+
+  bool result = false;
+  std::string json_string;
+  size_t chars_read = fread(
+    // WriteInto assumes the last character is a null, and it's not in this
+    // case, so we need to add 1 to our size to ensure the last character
+    // doesn't get cut off.
+    WriteInto(&json_string, file_size + 1), 1, file_size, file);
+  if (chars_read == file_size) {
+    JSONStringValueSerializer serializer(json_string);
+    result = serializer.Deserialize(root);
+  }
+
+  fclose(file);
+  return result;
+}