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/* -*- mode: C++; indent-tabs-mode: nil; -*-
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*
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alpar@209
|
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* This file is a part of LEMON, a generic C++ optimization library.
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alpar@85
|
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*
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alpar@85
|
5 |
* Copyright (C) 2003-2008
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alpar@85
|
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* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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|
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* (Egervary Research Group on Combinatorial Optimization, EGRES).
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|
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*
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alpar@85
|
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* Permission to use, modify and distribute this software is granted
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|
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* provided that this copyright notice appears in all copies. For
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alpar@85
|
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* precise terms see the accompanying LICENSE file.
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alpar@85
|
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*
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|
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* This software is provided "AS IS" with no warranty of any kind,
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|
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* express or implied, and with no claim as to its suitability for any
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|
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* purpose.
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*
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*/
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#include <lemon/arg_parser.h>
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|
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namespace lemon {
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alpar@85
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void ArgParser::_showHelp(void *p)
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|
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{
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|
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(static_cast<ArgParser*>(p))->showHelp();
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exit(1);
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}
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alpar@85
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ladanyi@315
|
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ArgParser::ArgParser(int argc, const char * const *argv)
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ladanyi@315
|
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:_argc(argc), _argv(argv), _command_name(argv[0]) {
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alpar@85
|
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funcOption("-help","Print a short help message",_showHelp,this);
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alpar@85
|
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synonym("help","-help");
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alpar@85
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synonym("h","-help");
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alpar@85
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}
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alpar@85
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ArgParser::~ArgParser()
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{
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alpar@85
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for(Opts::iterator i=_opts.begin();i!=_opts.end();++i)
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alpar@85
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if(i->second.self_delete)
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alpar@209
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40 |
switch(i->second.type) {
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alpar@209
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41 |
case BOOL:
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alpar@209
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42 |
delete i->second.bool_p;
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alpar@209
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break;
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alpar@209
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case STRING:
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alpar@209
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delete i->second.string_p;
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alpar@209
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break;
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alpar@209
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case DOUBLE:
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alpar@209
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delete i->second.double_p;
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alpar@209
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break;
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alpar@209
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case INTEGER:
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alpar@209
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delete i->second.int_p;
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alpar@209
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break;
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alpar@209
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53 |
case UNKNOWN:
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alpar@209
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break;
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alpar@209
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case FUNC:
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alpar@209
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break;
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alpar@209
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}
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alpar@85
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}
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alpar@209
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ArgParser &ArgParser::intOption(const std::string &name,
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const std::string &help,
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int value, bool obl)
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{
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alpar@85
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ParData p;
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p.int_p=new int(value);
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p.self_delete=true;
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p.help=help;
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p.type=INTEGER;
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p.mandatory=obl;
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_opts[name]=p;
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return *this;
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}
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ArgParser &ArgParser::doubleOption(const std::string &name,
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const std::string &help,
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double value, bool obl)
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{
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ParData p;
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p.double_p=new double(value);
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p.self_delete=true;
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p.help=help;
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p.type=DOUBLE;
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alpar@85
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p.mandatory=obl;
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alpar@85
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_opts[name]=p;
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alpar@85
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return *this;
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alpar@85
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}
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alpar@85
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alpar@85
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ArgParser &ArgParser::boolOption(const std::string &name,
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const std::string &help,
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bool value, bool obl)
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{
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ParData p;
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p.bool_p=new bool(value);
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p.self_delete=true;
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p.help=help;
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p.type=BOOL;
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p.mandatory=obl;
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alpar@85
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_opts[name]=p;
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return *this;
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}
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ArgParser &ArgParser::stringOption(const std::string &name,
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const std::string &help,
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std::string value, bool obl)
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{
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ParData p;
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p.string_p=new std::string(value);
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alpar@85
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p.self_delete=true;
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p.help=help;
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p.type=STRING;
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alpar@85
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p.mandatory=obl;
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alpar@85
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_opts[name]=p;
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alpar@85
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return *this;
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alpar@85
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}
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alpar@85
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alpar@85
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ArgParser &ArgParser::refOption(const std::string &name,
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const std::string &help,
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int &ref, bool obl)
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{
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ParData p;
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p.int_p=&ref;
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p.self_delete=false;
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p.help=help;
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p.type=INTEGER;
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p.mandatory=obl;
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_opts[name]=p;
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return *this;
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alpar@85
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}
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alpar@85
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131 |
ArgParser &ArgParser::refOption(const std::string &name,
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const std::string &help,
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alpar@85
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133 |
double &ref, bool obl)
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alpar@85
|
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{
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alpar@85
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135 |
ParData p;
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alpar@85
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p.double_p=&ref;
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alpar@85
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p.self_delete=false;
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alpar@85
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p.help=help;
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alpar@85
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p.type=DOUBLE;
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alpar@85
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p.mandatory=obl;
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alpar@85
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_opts[name]=p;
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alpar@85
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142 |
return *this;
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alpar@85
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143 |
}
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alpar@85
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144 |
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alpar@85
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145 |
ArgParser &ArgParser::refOption(const std::string &name,
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alpar@85
|
146 |
const std::string &help,
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alpar@85
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147 |
bool &ref, bool obl)
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alpar@85
|
148 |
{
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alpar@85
|
149 |
ParData p;
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alpar@85
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150 |
p.bool_p=&ref;
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alpar@85
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151 |
p.self_delete=false;
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alpar@85
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152 |
p.help=help;
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alpar@85
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153 |
p.type=BOOL;
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alpar@85
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154 |
p.mandatory=obl;
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alpar@85
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155 |
_opts[name]=p;
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alpar@85
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156 |
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alpar@85
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157 |
ref = false;
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alpar@85
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158 |
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alpar@85
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159 |
return *this;
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alpar@85
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160 |
}
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alpar@85
|
161 |
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alpar@85
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162 |
ArgParser &ArgParser::refOption(const std::string &name,
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alpar@209
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163 |
const std::string &help,
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alpar@209
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164 |
std::string &ref, bool obl)
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alpar@85
|
165 |
{
|
alpar@85
|
166 |
ParData p;
|
alpar@85
|
167 |
p.string_p=&ref;
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alpar@85
|
168 |
p.self_delete=false;
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alpar@85
|
169 |
p.help=help;
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alpar@85
|
170 |
p.type=STRING;
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alpar@85
|
171 |
p.mandatory=obl;
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alpar@85
|
172 |
_opts[name]=p;
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alpar@85
|
173 |
return *this;
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alpar@85
|
174 |
}
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alpar@85
|
175 |
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alpar@85
|
176 |
ArgParser &ArgParser::funcOption(const std::string &name,
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alpar@209
|
177 |
const std::string &help,
|
alpar@209
|
178 |
void (*func)(void *),void *data)
|
alpar@85
|
179 |
{
|
alpar@85
|
180 |
ParData p;
|
alpar@85
|
181 |
p.func_p.p=func;
|
alpar@85
|
182 |
p.func_p.data=data;
|
alpar@85
|
183 |
p.self_delete=false;
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alpar@85
|
184 |
p.help=help;
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alpar@85
|
185 |
p.type=FUNC;
|
alpar@85
|
186 |
p.mandatory=false;
|
alpar@85
|
187 |
_opts[name]=p;
|
alpar@85
|
188 |
return *this;
|
alpar@85
|
189 |
}
|
alpar@85
|
190 |
|
alpar@85
|
191 |
ArgParser &ArgParser::optionGroup(const std::string &group,
|
alpar@209
|
192 |
const std::string &opt)
|
alpar@85
|
193 |
{
|
alpar@85
|
194 |
Opts::iterator i = _opts.find(opt);
|
alpar@85
|
195 |
LEMON_ASSERT(i!=_opts.end(), "Unknown option: '"+opt+"'");
|
alpar@209
|
196 |
LEMON_ASSERT(!(i->second.ingroup),
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alpar@85
|
197 |
"Option already in option group: '"+opt+"'");
|
alpar@85
|
198 |
GroupData &g=_groups[group];
|
alpar@85
|
199 |
g.opts.push_back(opt);
|
alpar@85
|
200 |
i->second.ingroup=true;
|
alpar@85
|
201 |
return *this;
|
alpar@85
|
202 |
}
|
alpar@85
|
203 |
|
alpar@85
|
204 |
ArgParser &ArgParser::onlyOneGroup(const std::string &group)
|
alpar@85
|
205 |
{
|
alpar@85
|
206 |
GroupData &g=_groups[group];
|
alpar@85
|
207 |
g.only_one=true;
|
alpar@85
|
208 |
return *this;
|
alpar@85
|
209 |
}
|
alpar@85
|
210 |
|
alpar@85
|
211 |
ArgParser &ArgParser::synonym(const std::string &syn,
|
alpar@209
|
212 |
const std::string &opt)
|
alpar@85
|
213 |
{
|
alpar@85
|
214 |
Opts::iterator o = _opts.find(opt);
|
alpar@85
|
215 |
Opts::iterator s = _opts.find(syn);
|
alpar@85
|
216 |
LEMON_ASSERT(o!=_opts.end(), "Unknown option: '"+opt+"'");
|
alpar@85
|
217 |
LEMON_ASSERT(s==_opts.end(), "Option already used: '"+syn+"'");
|
alpar@85
|
218 |
ParData p;
|
alpar@85
|
219 |
p.help=opt;
|
alpar@85
|
220 |
p.mandatory=false;
|
alpar@85
|
221 |
p.syn=true;
|
alpar@85
|
222 |
_opts[syn]=p;
|
alpar@85
|
223 |
o->second.has_syn=true;
|
alpar@85
|
224 |
return *this;
|
alpar@85
|
225 |
}
|
alpar@85
|
226 |
|
alpar@85
|
227 |
ArgParser &ArgParser::mandatoryGroup(const std::string &group)
|
alpar@85
|
228 |
{
|
alpar@85
|
229 |
GroupData &g=_groups[group];
|
alpar@85
|
230 |
g.mandatory=true;
|
alpar@85
|
231 |
return *this;
|
alpar@85
|
232 |
}
|
alpar@85
|
233 |
|
alpar@85
|
234 |
ArgParser &ArgParser::other(const std::string &name,
|
alpar@209
|
235 |
const std::string &help)
|
alpar@85
|
236 |
{
|
alpar@85
|
237 |
_others_help.push_back(OtherArg(name,help));
|
alpar@85
|
238 |
return *this;
|
alpar@85
|
239 |
}
|
alpar@85
|
240 |
|
alpar@214
|
241 |
void ArgParser::show(std::ostream &os,Opts::const_iterator i) const
|
alpar@85
|
242 |
{
|
alpar@85
|
243 |
os << "-" << i->first;
|
alpar@85
|
244 |
if(i->second.has_syn)
|
alpar@214
|
245 |
for(Opts::const_iterator j=_opts.begin();j!=_opts.end();++j)
|
alpar@209
|
246 |
if(j->second.syn&&j->second.help==i->first)
|
alpar@209
|
247 |
os << "|-" << j->first;
|
alpar@85
|
248 |
switch(i->second.type) {
|
alpar@85
|
249 |
case STRING:
|
alpar@85
|
250 |
os << " str";
|
alpar@85
|
251 |
break;
|
alpar@85
|
252 |
case INTEGER:
|
alpar@85
|
253 |
os << " int";
|
alpar@85
|
254 |
break;
|
alpar@85
|
255 |
case DOUBLE:
|
alpar@85
|
256 |
os << " num";
|
alpar@85
|
257 |
break;
|
alpar@85
|
258 |
default:
|
alpar@85
|
259 |
break;
|
alpar@85
|
260 |
}
|
alpar@85
|
261 |
}
|
alpar@85
|
262 |
|
alpar@214
|
263 |
void ArgParser::show(std::ostream &os,Groups::const_iterator i) const
|
alpar@85
|
264 |
{
|
alpar@214
|
265 |
GroupData::Opts::const_iterator o=i->second.opts.begin();
|
alpar@85
|
266 |
while(o!=i->second.opts.end()) {
|
alpar@85
|
267 |
show(os,_opts.find(*o));
|
alpar@85
|
268 |
++o;
|
alpar@85
|
269 |
if(o!=i->second.opts.end()) os<<'|';
|
alpar@85
|
270 |
}
|
alpar@85
|
271 |
}
|
alpar@209
|
272 |
|
alpar@214
|
273 |
void ArgParser::showHelp(Opts::const_iterator i) const
|
alpar@85
|
274 |
{
|
alpar@85
|
275 |
if(i->second.help.size()==0||i->second.syn) return;
|
alpar@85
|
276 |
std::cerr << " ";
|
alpar@85
|
277 |
show(std::cerr,i);
|
alpar@85
|
278 |
std::cerr << std::endl;
|
alpar@85
|
279 |
std::cerr << " " << i->second.help << std::endl;
|
alpar@85
|
280 |
}
|
alpar@214
|
281 |
void ArgParser::showHelp(std::vector<ArgParser::OtherArg>::const_iterator i)
|
alpar@214
|
282 |
const
|
alpar@85
|
283 |
{
|
alpar@85
|
284 |
if(i->help.size()==0) return;
|
alpar@85
|
285 |
std::cerr << " " << i->name << std::endl
|
alpar@209
|
286 |
<< " " << i->help << std::endl;
|
alpar@85
|
287 |
}
|
alpar@209
|
288 |
|
alpar@214
|
289 |
void ArgParser::shortHelp() const
|
alpar@85
|
290 |
{
|
alpar@85
|
291 |
const unsigned int LINE_LEN=77;
|
alpar@85
|
292 |
const std::string indent(" ");
|
alpar@85
|
293 |
std::cerr << "Usage:\n " << _command_name;
|
alpar@85
|
294 |
int pos=_command_name.size()+2;
|
alpar@214
|
295 |
for(Groups::const_iterator g=_groups.begin();g!=_groups.end();++g) {
|
alpar@85
|
296 |
std::ostringstream cstr;
|
alpar@85
|
297 |
cstr << ' ';
|
alpar@85
|
298 |
if(!g->second.mandatory) cstr << '[';
|
alpar@85
|
299 |
show(cstr,g);
|
alpar@85
|
300 |
if(!g->second.mandatory) cstr << ']';
|
alpar@85
|
301 |
if(pos+cstr.str().size()>LINE_LEN) {
|
alpar@209
|
302 |
std::cerr << std::endl << indent;
|
alpar@209
|
303 |
pos=indent.size();
|
alpar@85
|
304 |
}
|
alpar@85
|
305 |
std::cerr << cstr.str();
|
alpar@85
|
306 |
pos+=cstr.str().size();
|
alpar@85
|
307 |
}
|
alpar@214
|
308 |
for(Opts::const_iterator i=_opts.begin();i!=_opts.end();++i)
|
alpar@85
|
309 |
if(!i->second.ingroup&&!i->second.syn) {
|
alpar@209
|
310 |
std::ostringstream cstr;
|
alpar@209
|
311 |
cstr << ' ';
|
alpar@209
|
312 |
if(!i->second.mandatory) cstr << '[';
|
alpar@209
|
313 |
show(cstr,i);
|
alpar@209
|
314 |
if(!i->second.mandatory) cstr << ']';
|
alpar@209
|
315 |
if(pos+cstr.str().size()>LINE_LEN) {
|
alpar@209
|
316 |
std::cerr << std::endl << indent;
|
alpar@209
|
317 |
pos=indent.size();
|
alpar@209
|
318 |
}
|
alpar@209
|
319 |
std::cerr << cstr.str();
|
alpar@209
|
320 |
pos+=cstr.str().size();
|
alpar@85
|
321 |
}
|
alpar@214
|
322 |
for(std::vector<OtherArg>::const_iterator i=_others_help.begin();
|
alpar@209
|
323 |
i!=_others_help.end();++i)
|
alpar@85
|
324 |
{
|
alpar@209
|
325 |
std::ostringstream cstr;
|
alpar@209
|
326 |
cstr << ' ' << i->name;
|
alpar@209
|
327 |
|
alpar@209
|
328 |
if(pos+cstr.str().size()>LINE_LEN) {
|
alpar@209
|
329 |
std::cerr << std::endl << indent;
|
alpar@209
|
330 |
pos=indent.size();
|
alpar@209
|
331 |
}
|
alpar@209
|
332 |
std::cerr << cstr.str();
|
alpar@209
|
333 |
pos+=cstr.str().size();
|
alpar@85
|
334 |
}
|
alpar@85
|
335 |
std::cerr << std::endl;
|
alpar@85
|
336 |
}
|
alpar@209
|
337 |
|
alpar@214
|
338 |
void ArgParser::showHelp() const
|
alpar@85
|
339 |
{
|
alpar@85
|
340 |
shortHelp();
|
alpar@85
|
341 |
std::cerr << "Where:\n";
|
alpar@214
|
342 |
for(std::vector<OtherArg>::const_iterator i=_others_help.begin();
|
alpar@209
|
343 |
i!=_others_help.end();++i) showHelp(i);
|
alpar@214
|
344 |
for(Opts::const_iterator i=_opts.begin();i!=_opts.end();++i) showHelp(i);
|
alpar@85
|
345 |
exit(1);
|
alpar@85
|
346 |
}
|
alpar@209
|
347 |
|
alpar@209
|
348 |
|
alpar@214
|
349 |
void ArgParser::unknownOpt(std::string arg) const
|
alpar@85
|
350 |
{
|
alpar@85
|
351 |
std::cerr << "\nUnknown option: " << arg << "\n";
|
alpar@85
|
352 |
std::cerr << "\nType '" << _command_name <<
|
alpar@85
|
353 |
" --help' to obtain a short summary on the usage.\n\n";
|
alpar@85
|
354 |
exit(1);
|
alpar@85
|
355 |
}
|
alpar@209
|
356 |
|
alpar@214
|
357 |
void ArgParser::requiresValue(std::string arg, OptType t) const
|
alpar@85
|
358 |
{
|
alpar@85
|
359 |
std::cerr << "Argument '" << arg << "' requires a";
|
alpar@85
|
360 |
switch(t) {
|
alpar@85
|
361 |
case STRING:
|
alpar@85
|
362 |
std::cerr << " string";
|
alpar@85
|
363 |
break;
|
alpar@85
|
364 |
case INTEGER:
|
alpar@85
|
365 |
std::cerr << "n integer";
|
alpar@85
|
366 |
break;
|
alpar@85
|
367 |
case DOUBLE:
|
alpar@85
|
368 |
std::cerr << " floating point";
|
alpar@85
|
369 |
break;
|
alpar@85
|
370 |
default:
|
alpar@85
|
371 |
break;
|
alpar@85
|
372 |
}
|
alpar@85
|
373 |
std::cerr << " value\n\n";
|
alpar@85
|
374 |
showHelp();
|
alpar@85
|
375 |
}
|
alpar@209
|
376 |
|
alpar@85
|
377 |
|
alpar@214
|
378 |
void ArgParser::checkMandatories() const
|
alpar@85
|
379 |
{
|
alpar@85
|
380 |
bool ok=true;
|
alpar@214
|
381 |
for(Opts::const_iterator i=_opts.begin();i!=_opts.end();++i)
|
alpar@209
|
382 |
if(i->second.mandatory&&!i->second.set)
|
alpar@209
|
383 |
{
|
alpar@209
|
384 |
if(ok)
|
alpar@209
|
385 |
std::cerr << _command_name
|
alpar@209
|
386 |
<< ": The following mandatory arguments are missing.\n";
|
alpar@209
|
387 |
ok=false;
|
alpar@209
|
388 |
showHelp(i);
|
alpar@209
|
389 |
}
|
alpar@214
|
390 |
for(Groups::const_iterator i=_groups.begin();i!=_groups.end();++i)
|
alpar@85
|
391 |
if(i->second.mandatory||i->second.only_one)
|
alpar@209
|
392 |
{
|
alpar@209
|
393 |
int set=0;
|
alpar@214
|
394 |
for(GroupData::Opts::const_iterator o=i->second.opts.begin();
|
alpar@209
|
395 |
o!=i->second.opts.end();++o)
|
alpar@209
|
396 |
if(_opts.find(*o)->second.set) ++set;
|
alpar@209
|
397 |
if(i->second.mandatory&&!set) {
|
alpar@210
|
398 |
std::cerr << _command_name <<
|
alpar@210
|
399 |
": At least one of the following arguments is mandatory.\n";
|
alpar@209
|
400 |
ok=false;
|
alpar@214
|
401 |
for(GroupData::Opts::const_iterator o=i->second.opts.begin();
|
alpar@209
|
402 |
o!=i->second.opts.end();++o)
|
alpar@209
|
403 |
showHelp(_opts.find(*o));
|
alpar@209
|
404 |
}
|
alpar@209
|
405 |
if(i->second.only_one&&set>1) {
|
alpar@210
|
406 |
std::cerr << _command_name <<
|
alpar@210
|
407 |
": At most one of the following arguments can be given.\n";
|
alpar@209
|
408 |
ok=false;
|
alpar@214
|
409 |
for(GroupData::Opts::const_iterator o=i->second.opts.begin();
|
alpar@209
|
410 |
o!=i->second.opts.end();++o)
|
alpar@209
|
411 |
showHelp(_opts.find(*o));
|
alpar@209
|
412 |
}
|
alpar@209
|
413 |
}
|
alpar@85
|
414 |
if(!ok) {
|
alpar@85
|
415 |
std::cerr << "\nType '" << _command_name <<
|
alpar@209
|
416 |
" --help' to obtain a short summary on the usage.\n\n";
|
alpar@85
|
417 |
exit(1);
|
alpar@85
|
418 |
}
|
alpar@85
|
419 |
}
|
alpar@85
|
420 |
|
alpar@85
|
421 |
ArgParser &ArgParser::parse()
|
alpar@85
|
422 |
{
|
alpar@85
|
423 |
for(int ar=1; ar<_argc; ++ar) {
|
alpar@85
|
424 |
std::string arg(_argv[ar]);
|
alpar@85
|
425 |
if (arg[0] != '-' || arg.size() == 1) {
|
alpar@209
|
426 |
_file_args.push_back(arg);
|
alpar@85
|
427 |
}
|
alpar@85
|
428 |
else {
|
alpar@209
|
429 |
Opts::iterator i = _opts.find(arg.substr(1));
|
alpar@209
|
430 |
if(i==_opts.end()) unknownOpt(arg);
|
alpar@209
|
431 |
else {
|
alpar@209
|
432 |
if(i->second.syn) i=_opts.find(i->second.help);
|
alpar@209
|
433 |
ParData &p(i->second);
|
alpar@209
|
434 |
if (p.type==BOOL) *p.bool_p=true;
|
alpar@209
|
435 |
else if (p.type==FUNC) p.func_p.p(p.func_p.data);
|
alpar@209
|
436 |
else if(++ar==_argc) requiresValue(arg, p.type);
|
alpar@209
|
437 |
else {
|
alpar@209
|
438 |
std::string val(_argv[ar]);
|
alpar@209
|
439 |
std::istringstream vals(val);
|
alpar@209
|
440 |
switch(p.type) {
|
alpar@209
|
441 |
case STRING:
|
alpar@209
|
442 |
*p.string_p=val;
|
alpar@209
|
443 |
break;
|
alpar@209
|
444 |
case INTEGER:
|
alpar@209
|
445 |
vals >> *p.int_p;
|
alpar@209
|
446 |
break;
|
alpar@209
|
447 |
case DOUBLE:
|
alpar@209
|
448 |
vals >> *p.double_p;
|
alpar@209
|
449 |
break;
|
alpar@209
|
450 |
default:
|
alpar@209
|
451 |
break;
|
alpar@209
|
452 |
}
|
alpar@209
|
453 |
if(p.type!=STRING&&(!vals||!vals.eof()))
|
alpar@209
|
454 |
requiresValue(arg, p.type);
|
alpar@209
|
455 |
}
|
alpar@209
|
456 |
p.set = true;
|
alpar@209
|
457 |
}
|
alpar@85
|
458 |
}
|
alpar@85
|
459 |
}
|
alpar@85
|
460 |
checkMandatories();
|
alpar@85
|
461 |
|
alpar@85
|
462 |
return *this;
|
alpar@209
|
463 |
}
|
alpar@85
|
464 |
|
alpar@85
|
465 |
}
|