base/json/json_string_value_serializer.cc

   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
  11 using base::Value;
  12
  13 JSONStringValueSerializer::~JSONStringValueSerializer() {}
  14
  15 bool JSONStringValueSerializer::Serialize(const Value& root) {
  16   return SerializeInternal(root, false);
  17 }
  18
  19 bool JSONStringValueSerializer::SerializeAndOmitBinaryValues(
  20     const Value& root) {
  21   return SerializeInternal(root, true);
  22 }
  23
  24 bool JSONStringValueSerializer::SerializeInternal(const Value& root,
  25                                                   bool omit_binary_values) {
  26   if (!json_string_ || initialized_with_const_string_)
  27     return false;
  28
  29   int options = 0;
  30   if (omit_binary_values)
  31     options |= base::JSONWriter::OPTIONS_OMIT_BINARY_VALUES;
  32   if (pretty_print_)
  33     options |= base::JSONWriter::OPTIONS_PRETTY_PRINT;
  34
  35   base::JSONWriter::WriteWithOptions(&root, options, json_string_);
  36   return true;
  37 }
  38
  39 Value* JSONStringValueSerializer::Deserialize(int* error_code,
  40                                               std::string* error_str) {
  41   if (!json_string_)
  42     return NULL;
  43
  44   return base::JSONReader::ReadAndReturnError(*json_string_,
  45       allow_trailing_comma_ ? base::JSON_ALLOW_TRAILING_COMMAS :
  46           base::JSON_PARSE_RFC,
  47       error_code, error_str);
  48 }