86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
/*
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Cmdline - abstraction of the usual commandline, a sequence of strings
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Copyright (C) Lumiera.org
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2008, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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#include "lib/cmdline.hpp"
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#include "lib/util.hpp"
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#include "include/logging.h"
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#include <boost/regex.hpp>
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#include <boost/algorithm/string/join.hpp>
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using boost::regex;
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using boost::smatch;
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using boost::regex_search;
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using boost::algorithm::join;
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using util::noneg;
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#include <iostream>
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namespace lib {
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/** create as a tokenised <i>copy</i> of the current commandline.
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* Note that argv[0] is always ignored. */
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Cmdline::Cmdline (int argc, const char** argv)
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: vector<string> (noneg(argc-1))
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{
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for (int i=1; i<argc; ++i)
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{
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ASSERT (argv[i]);
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(*this)[i-1] = argv[i];
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}
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}
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/** create by tokenising a string
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* (e.g. "fake" cmdline, separated by whitespace)
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*/
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Cmdline::Cmdline (const string cmdline)
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{
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regex tokendef("[^ \r\n\t]+");
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smatch match;
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string::const_iterator it = cmdline.begin();
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string::const_iterator end = cmdline.end();
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while (regex_search(it, end, match, tokendef))
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{
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string ss(match[0]);
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this->push_back(ss);
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it = match[0].second;
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}
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}
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/** conversion to string by joining the tokens */
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Cmdline::operator string () const
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{
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return join(*this," ");
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}
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} // namespace lib
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