CommandLineInterpreter.cc

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#include "CommandLineInterpreter.hh"

CommandLineInterpreter::CommandLineInterpreter(int argc, char *argv[], list<CommandLineArgument> myAcceptableFlags)
{
  for(int i = 0; i<argc; i++)
    {
      string temp(argv[i]);
      if(temp[0]=='-') //we have a flag...
        {
          temp = temp.substr(1,temp.size());
          bool found = false;
          for(list<CommandLineArgument>::iterator it = myAcceptableFlags.begin(); it!=myAcceptableFlags.end(); it++)
            {
              if(temp.compare(it->flag)==0)
                {
                  if(i+it->numberOfArguments>argc)
                    throw CommandLineException("Insufficient arguments for flag.\n");
                  vector<string> myList;
                  for(int k = i+1; k<=i+it->numberOfArguments; k++)
                    {
                      string tmp(argv[k]);
                      myList.push_back(tmp);
                    }
                  myFlaggedCommands[temp] = myList;
                  i+=it->numberOfArguments;
                  found=true;
                }
            }
          if(!found)
            throw CommandLineException("Command flag not recognized");    
        }
      else
        {
          myFlaglessCommands.push_back(argv[i]);
        }
    }
}

vector<string> CommandLineInterpreter::readFlaggedCommand(string flag)
{
  if(myFlaggedCommands.find(flag)!=myFlaggedCommands.end())
    {
      if(myFlaggedCommands[flag].empty())
        myFlaggedCommands[flag].push_back("");
      return myFlaggedCommands[flag];
    }
  else
    {
      return vector<string>();
    }
}

vector<string> CommandLineInterpreter::readFlaglessCommands()
{
  return myFlaglessCommands;
}