cef/libcef/common/json_impl.cc

79 lines
2.5 KiB
C++

// Copyright (c) 2015 The Chromium Embedded Framework 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 "include/cef_parser.h"
#include "libcef/common/values_impl.h"
#include "base/values.h"
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
namespace {
int GetJSONReaderOptions(cef_json_parser_options_t options) {
int op = base::JSON_PARSE_RFC;
if (options & JSON_PARSER_ALLOW_TRAILING_COMMAS)
op |= base::JSON_ALLOW_TRAILING_COMMAS;
return op;
}
int GetJSONWriterOptions(cef_json_writer_options_t options) {
int op = 0;
if (op & JSON_WRITER_OMIT_BINARY_VALUES)
op |= base::JSONWriter::OPTIONS_OMIT_BINARY_VALUES;
if (op & JSON_WRITER_OMIT_DOUBLE_TYPE_PRESERVATION)
op |= base::JSONWriter::OPTIONS_OMIT_DOUBLE_TYPE_PRESERVATION;
if (op & JSON_WRITER_PRETTY_PRINT)
op |= base::JSONWriter::OPTIONS_PRETTY_PRINT;
return op;
}
} // namespace
CefRefPtr<CefValue> CefParseJSON(const CefString& json_string,
cef_json_parser_options_t options) {
const std::string& json = json_string.ToString();
base::Value* parse_result =
base::JSONReader::Read(json, GetJSONReaderOptions(options));
if (parse_result)
return new CefValueImpl(parse_result);
return NULL;
}
CefRefPtr<CefValue> CefParseJSONAndReturnError(
const CefString& json_string,
cef_json_parser_options_t options,
cef_json_parser_error_t& error_code_out,
CefString& error_msg_out) {
const std::string& json = json_string.ToString();
int error_code;
std::string error_msg;
base::Value* parse_result = base::JSONReader::ReadAndReturnError(
json, GetJSONReaderOptions(options), &error_code, &error_msg);
if (parse_result)
return new CefValueImpl(parse_result);
error_code_out = static_cast<cef_json_parser_error_t>(error_code);
error_msg_out = error_msg;
return NULL;
}
CefString CefWriteJSON(CefRefPtr<CefValue> node,
cef_json_writer_options_t options) {
if (!node.get() || !node->IsValid())
return CefString();
CefValueImpl* impl = static_cast<CefValueImpl*>(node.get());
CefValueImpl::ScopedLockedValue scoped_value(impl);
std::string json_string;
if (base::JSONWriter::WriteWithOptions(scoped_value.value(),
GetJSONWriterOptions(options),
&json_string)) {
return json_string;
}
return CefString();
}