src/BoostPoCommandLineParser.cpp

   1 //! \file BoostPoCommandLineParser.cpp
   2
   3 #include "BoostPoCommandLineParser.h"
   4
   5 #include <iostream>
   6
   7 #include "CommandLineParserUtils.h"
   8
   9 namespace WikiWalker
  10 {
  11   BoostPoCommandLineParser::BoostPoCommandLineParser()
  12       : cmdOptions("Allowed options"), input("Input URLs")
  13   {
  14     auto o = cmdOptions.add_options();
  15     o("version,v", "produce version message");
  16     o("help,h", "produce help message");
  17     o("deep,d", "whether to fetch and analyze linked articles as well.");
  18     o("skip-ssl-verification", "whether to skip SSL verification");
  19     o("dot-out,o",
  20       po::value<std::string>()->value_name("dotfile"),
  21       "file for dot output");
  22     o("json-cache,j",
  23       po::value<std::string>()->value_name("cache"),
  24       "file for json cache file");
  25
  26     o = input.add_options();
  27     o("url", po::value<std::string>(), "URL")
  28         //("url", po::value<vector<string>>(), "URL")
  29         ;
  30
  31     cmdline_options.add(cmdOptions).add(input);
  32
  33     p.add("url", 1);
  34   }
  35
  36   std::string BoostPoCommandLineParser::getValue(
  37       CommandLineParserBase::CommandLineOptions option)
  38   {
  39     assert(hasSet(option));
  40     return vm[CommandLineParserUtils::getStringFlag(option)].as<std::string>();
  41   }
  42
  43   bool BoostPoCommandLineParser::hasSet(
  44       CommandLineParserBase::CommandLineOptions flag)
  45   {
  46     return vm.count(CommandLineParserUtils::getStringFlag(flag)) != 0u;
  47   }
  48
  49   void BoostPoCommandLineParser::parse(int argc, char** argv)
  50   {
  51     // po::store(po::parse_command_line(argc, argv, desc), vm);
  52     po::store(po::command_line_parser(argc, argv)
  53                   .options(cmdline_options)
  54                   .positional(p)
  55                   .run(),
  56               vm);
  57     po::notify(vm);
  58   }
  59
  60   void BoostPoCommandLineParser::printHelp()
  61   {
  62     std::cout << "Usage: walker [options] URL" << std::endl;
  63     std::cout << cmdOptions << std::endl;
  64     std::cout << "The environment variable CURL_CA_BUNDLE is read for"
  65                  " finding a CA bundle"
  66               << std::endl
  67               << "  for curl." << std::endl;
  68   }
  69 }  // namespace WikiWalker