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// Copyright 2017 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef BAZEL_SRC_TOOLS_LAUNCHER_UTIL_DATA_PARSER_H_
#define BAZEL_SRC_TOOLS_LAUNCHER_UTIL_DATA_PARSER_H_
#include <fstream>
#include <memory>
#include <string>
#include <unordered_map>
namespace bazel {
namespace launcher {
class LaunchDataParser {
public:
typedef std::unordered_map<std::string, std::string> LaunchInfo;
LaunchDataParser() = delete;
~LaunchDataParser() = delete;
static bool GetLaunchInfo(const std::string& binary_path,
LaunchInfo* launch_info);
private:
// Read the last 64 bit from the given binary to get the data size
static int64_t ReadDataSize(std::ifstream* binary);
// Read launch data at the end of the given binary into a buffer
static void ReadLaunchData(std::ifstream* binary, char* launch_data,
int64_t data_size);
// Parse the launch data into a map
static bool ParseLaunchData(LaunchInfo* launch_info, const char* launch_data,
int64_t data_size);
};
} // namespace launcher
} // namespace bazel
#endif // BAZEL_SRC_TOOLS_LAUNCHER_UTIL_DATA_PARSER_H_
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