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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/fuchsia_component_support/append_arguments_from_file.h"
#include <memory>
#include <utility>
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/json/json_file_value_serializer.h"
#include "base/json/json_reader.h"
namespace fuchsia_component_support {
bool AppendArgumentsFromFile(const base::FilePath& path,
base::CommandLine& command_line) {
JSONFileValueDeserializer json_deserializer(path, base::JSON_PARSE_RFC);
int error_code = JSONFileValueDeserializer::JSON_NO_ERROR;
std::unique_ptr<base::Value> value =
json_deserializer.Deserialize(&error_code, nullptr);
if (!value) {
return error_code == JSONFileValueDeserializer::JSON_NO_SUCH_FILE;
}
base::Value::Dict* const dict = value->GetIfDict();
if (!dict) {
return false;
}
if (auto* const argv_list = dict->FindList("argv"); argv_list) {
base::CommandLine::StringVector argv;
argv.reserve(argv_list->size() + 1);
argv.emplace_back(); // The program name.
for (auto& arg_value : *argv_list) {
if (auto* arg = arg_value.GetIfString(); arg) {
argv.push_back(std::move(*arg));
} else {
return false;
}
}
if (argv.size() > 1) {
command_line.AppendArguments(base::CommandLine(argv),
/*include_program=*/false);
}
}
return true;
}
} // namespace fuchsia_component_support
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