92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
// Copyright (c) 2015 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that can
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// be found in the LICENSE file.
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#include "include/cef_parser.h"
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#include "libcef/common/values_impl.h"
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#include "base/json/json_reader.h"
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#include "base/json/json_writer.h"
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#include "base/values.h"
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namespace {
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int GetJSONReaderOptions(cef_json_parser_options_t options) {
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int op = base::JSON_PARSE_RFC;
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if (options & JSON_PARSER_ALLOW_TRAILING_COMMAS) {
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op |= base::JSON_ALLOW_TRAILING_COMMAS;
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}
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return op;
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}
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int GetJSONWriterOptions(cef_json_writer_options_t options) {
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int op = 0;
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if (options & JSON_WRITER_OMIT_BINARY_VALUES) {
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op |= base::JSONWriter::OPTIONS_OMIT_BINARY_VALUES;
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}
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if (options & JSON_WRITER_OMIT_DOUBLE_TYPE_PRESERVATION) {
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op |= base::JSONWriter::OPTIONS_OMIT_DOUBLE_TYPE_PRESERVATION;
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}
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if (options & JSON_WRITER_PRETTY_PRINT) {
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op |= base::JSONWriter::OPTIONS_PRETTY_PRINT;
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}
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return op;
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}
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} // namespace
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CefRefPtr<CefValue> CefParseJSON(const CefString& json_string,
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cef_json_parser_options_t options) {
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const std::string& json = json_string.ToString();
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return CefParseJSON(json.data(), json.size(), options);
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}
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CefRefPtr<CefValue> CefParseJSON(const void* json,
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size_t json_size,
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cef_json_parser_options_t options) {
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if (!json || json_size == 0) {
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return nullptr;
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}
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absl::optional<base::Value> parse_result = base::JSONReader::Read(
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base::StringPiece(static_cast<const char*>(json), json_size),
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GetJSONReaderOptions(options));
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if (parse_result) {
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return new CefValueImpl(std::move(parse_result.value()));
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}
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return nullptr;
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}
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CefRefPtr<CefValue> CefParseJSONAndReturnError(
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const CefString& json_string,
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cef_json_parser_options_t options,
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CefString& error_msg_out) {
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const std::string& json = json_string.ToString();
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std::string error_msg;
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auto result = base::JSONReader::ReadAndReturnValueWithError(
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json, GetJSONReaderOptions(options));
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if (result.has_value()) {
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return new CefValueImpl(std::move(*result));
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}
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error_msg_out = result.error().message;
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return nullptr;
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}
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CefString CefWriteJSON(CefRefPtr<CefValue> node,
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cef_json_writer_options_t options) {
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if (!node.get() || !node->IsValid()) {
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return CefString();
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}
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CefValueImpl* impl = static_cast<CefValueImpl*>(node.get());
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CefValueImpl::ScopedLockedValue scoped_value(impl);
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std::string json_string;
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if (base::JSONWriter::WriteWithOptions(
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*scoped_value.value(), GetJSONWriterOptions(options), &json_string)) {
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return json_string;
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}
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return CefString();
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}
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