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/*
* Copyright (C) 2002 Dominic Sacr <bugcreator@gmx.de>.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
*/
#include <string>
#include "ickle/sstream_fix.h"
#include "CommandLineParser.h"
using std::string;
using std::ostringstream;
using std::vector;
// ============================================================================
// CommandLineParser
// ============================================================================
CommandLineParser::CommandLineParser (int argc, char ** argv)
{
if (argc > 1 && (argv[1])[0] != '-') throw CommandLineException ("Invalid option `" + string(argv[1]) + "'");
for (int i = 1; i < argc; i++) {
if ((argv[i])[0] == '-') {
string opt = argv[i];
vector <string> args;
while ((i+1 < argc) && ((argv[i+1])[0] != '-')) {
args.push_back (argv[i+1]);
i++;
}
m_opts.push_back (CommandLineOption (opt, args));
}
}
}
// ============================================================================
// CommandLineOption
// ============================================================================
bool CommandLineOption::isOption (const string & long_opt, const string & short_opt, int min_args, int max_args) const
{
ostringstream s;
if ((m_opt == "--" + long_opt && !long_opt.empty()) ||
(m_opt == "-" + short_opt && !short_opt.empty()))
{
if (max_args == -1 && int(m_args.size()) != min_args) {
s << "Option `" << m_opt << "' requires " << min_args << " arguments";
throw CommandLineException (s.str());
}
if (int(m_args.size()) < min_args) {
s << "Option `" << m_opt << "' requires at least " << min_args << " arguments";
throw CommandLineException (s.str());
}
if (max_args != -1 && int(m_args.size()) > max_args) {
s << "Option `" << m_opt << "' doesn't take more than " << max_args << " arguments";
throw CommandLineException (s.str());
}
return true;
}
else
{
return false;
}
}
void CommandLineOption::invalid () const
{
throw CommandLineException ("Invalid option `" + m_opt + "'");
}
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