1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "base/json/json_string_value_serializer.h"
6
7#include "base/json/json_reader.h"
8#include "base/json/json_writer.h"
9#include "base/logging.h"
10
11using base::Value;
12
13JSONStringValueSerializer::JSONStringValueSerializer(std::string* json_string)
14    : json_string_(json_string),
15      pretty_print_(false) {
16}
17
18JSONStringValueSerializer::~JSONStringValueSerializer() {}
19
20bool JSONStringValueSerializer::Serialize(const Value& root) {
21  return SerializeInternal(root, false);
22}
23
24bool JSONStringValueSerializer::SerializeAndOmitBinaryValues(
25    const Value& root) {
26  return SerializeInternal(root, true);
27}
28
29bool JSONStringValueSerializer::SerializeInternal(const Value& root,
30                                                  bool omit_binary_values) {
31  if (!json_string_)
32    return false;
33
34  int options = 0;
35  if (omit_binary_values)
36    options |= base::JSONWriter::OPTIONS_OMIT_BINARY_VALUES;
37  if (pretty_print_)
38    options |= base::JSONWriter::OPTIONS_PRETTY_PRINT;
39
40  return base::JSONWriter::WriteWithOptions(root, options, json_string_);
41}
42
43JSONStringValueDeserializer::JSONStringValueDeserializer(
44    const base::StringPiece& json_string)
45    : json_string_(json_string),
46      allow_trailing_comma_(false) {
47}
48
49JSONStringValueDeserializer::~JSONStringValueDeserializer() {}
50
51scoped_ptr<Value> JSONStringValueDeserializer::Deserialize(
52    int* error_code,
53    std::string* error_str) {
54  return base::JSONReader::ReadAndReturnError(
55      json_string_, allow_trailing_comma_ ? base::JSON_ALLOW_TRAILING_COMMAS
56                                          : base::JSON_PARSE_RFC,
57      error_code, error_str);
58}
59