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optionparser's Introduction

OptionParser

C++11用のモダンでシンプルなコマンドラインオプションの解析ライブラリです。
1つのヘッダファイルをincludeするだけで簡単に利用できます。

使用例

#include "OptionParser.hpp"

int main(int argc, const char** argv) {
  optionparser::OptionParser option;
  std::string output;
  try {
    option.
      append('o', "output", "FILE", "出力ファイルを指定する", 
             [&](const char* arg) {
               output.assign(arg);
             }).
      append('h', "help", nullptr, "このメッセージを表示する", 
             [&](const char*) {
               std::cerr << option.help();
               exit(-1);
             }).
      parse(argc, argv);
  }
  catch(const optionparser::OptionParser::Error& e) {
    std::cerr << e.message << std::endl;
    exit(-1);
  }
  std::cout << output;
  for(const char* file : option) {
    std::cout << " << " << file;
  }
  std::cout << std::endl;
  return 0;
}

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