CLIParse.cc

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#include "casm/app/CLIParse.hh"
 
#include <boost/program_options.hpp>
 
#include "casm/casm_io/Log.hh"
#include "casm/completer/Handlers.hh"
 
namespace CASM {
 
CLIParse::CLIParse(int _argc, char **_argv)
    : m_argc(_argc), m_argv(_argv), m_parse_result(0), m_free_p(false) {}
 
CLIParse::CLIParse(std::string _args) : m_free_p(false) {
  // parse _args -> argc, argv
  m_parse_result = wordexp(_args.c_str(), &m_p, 0);
  if (m_parse_result) {
    err_log() << "Error parsing query: '" << _args << "'" << std::endl;
    err_log() << "wordexp() error: " << m_parse_result << std::endl;
    switch (m_parse_result) {
      case 1: {
        err_log() << "Check for illegal unescaped characters: |, &, ;, <, >, "
                     "(, ), {, }"
                  << std::endl;
        break;
      }
      default: {
        err_log() << "Check 'man wordexp' for error code meaning" << std::endl;
      }
    }
    return;
  }
 
  m_free_p = true;
  m_argc = m_p.we_wordc;
  m_argv = m_p.we_wordv;
}
 
CLIParse::~CLIParse() {
  if (m_free_p) {
    wordfree(&m_p);
  }
}
 
void parse_args(Completer::OptionHandlerBase &opt, std::string args) {
  CLIParse parse(args);
  po::store(po::parse_command_line(parse.argc(), parse.argv(), opt.desc()),
            opt.vm());
  // gets default values
  po::notify(opt.vm());
}
}  // namespace CASM