parse_arg.cc

#include "parse_arg.h"

parse_args::parse_args() {
  options="h";
}

parse_args::~parse_args() {

}

int parse_args::parsing(int argc,char *argv[]) {
  char c;
  while((c=getopt(argc,argv,options.c_str()))!=-1) {
    switch(c) {
    case 'h':
      helper(stdout,argv[0]);
      exit(0);
      break;
    default:
      args[std::string(&c)].val=std::string(optarg);
    }
  }
}

int parse_args::set_args_rules(
  std::string flags,
  std::string description,
  std::string default_val,
  std::string type) {
  // add flags
  options+=(flags+":");
  // create
  rawdata data;
  data.description=description;
  data.val=default_val;
  data.type=type;
  // insert
  args[flags]=data;

}

rawdata parse_args::get_args_val(std::string flags) {
  return args[flags];
}

void parse_args::helper(FILE *fp,char *prog) {
  // Get parameter info
  std::map<std::string, rawdata>::iterator it;
  std::string param,description;
  for(it=args.begin(); it!=args.end(); it++) {
    param+=("[-"+it->first+" val ] ");
    description+=(ANSI_COLOR_GREEN "  -"+it->first+" val : " ANSI_COLOR_RESET + it->second.description+"\n");
  }
  param+="[-h] ";
  description+=ANSI_COLOR_MAGENTA "  -h: print out detail information of program.\n" ANSI_COLOR_RESET;
  // print helper info
  fprintf(fp,
          ANSI_COLOR_RED "Usage: %s %s" ANSI_COLOR_RESET "\n\n%s",
          prog,
          param.c_str(),
          description.c_str()
         );
}