pikotools/mainparser/sample/sample.cpp

118 lines
3.2 KiB
C++

/*
* This file is a part of MainParser -- simple parser for main() parameters
* and is distributed under the (new) BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2011, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name Tomasz Sowa nor the names of contributors to this
* project may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <iostream>
#include <string.h>
#include "../mainparser.h"
int main()
{
MainParser mp;
// suppose you call a 'programname' in such a way:
// $ programname -a -b - c --longparam -- otherlongparam -xyz paramwithvalue -x --longparam2 longwithvalue lastvalue1 lastvalue2 lastvalue3
// so the main() function get this table as input:
const char * tab[] = {
"programname",
"-a",
"-b",
"-",
"c",
"--longparam",
"--",
"otherlongparam",
"-xyz",
"paramwithvalue",
"-x",
"--longparam2",
"longwithvalue",
"lastvalue1", // some values left at the end
"lastvalue2", // you can get them by using GetValue() method
"lastvalue3",
};
mp.Set(sizeof(tab)/sizeof(const char*), tab);
while( mp.NextParam() )
{
if( mp.GetSingleParam() != 0 )
{
std::cout << "-" << mp.GetSingleParam() << std::endl;
// we know that 'z' requires a value
if( mp.GetSingleParam() == 'z' )
std::cout << "value for z: " << mp.GetValue() << std::endl;
}
if( *mp.GetDoubleParam() )
{
std::cout << "--" << mp.GetDoubleParam() << std::endl;
// we know that "longparam2" requires a value
if( strcmp(mp.GetDoubleParam(), "longparam2") == 0 )
std::cout << "value for longparam2: " << mp.GetValue() << std::endl;
}
}
while( !mp.IsEnd() )
std::cout << mp.GetValue() << std::endl;
}
/*
program output:
-a
-b
-c
--longparam
--otherlongparam
-x
-y
-z
value for z: paramwithvalue
-x
--longparam2
value for longparam2: longwithvalue
lastvalue1
lastvalue2
lastvalue3
*/