// ***************************************************************** -*- C++ -*-
// getopt-test.cpp
// Sample program to test getopt()
// Command:
// $ getopt-test -v pr -P EIXxgklnycsvth file1 file2
//
// Output:
// standard getopt()
// 118 = v optind = 2 opterr = 1 optopt = 118 optarg = unknown
// -1 optind = 2 opterr = 1 optopt = 118 optarg = unknown
//
// homemade getopt()
// 118 = v optind = 2 opterr = 1 optopt = 118 optarg = unknown
// -1 optind = 2 opterr = 1 optopt = 118 optarg = unknown
//
// Params::option() opt = 118 optarg = optopt = 118
// Params::nonoption() pr
// Params::nonoption() -P
// Params::nonoption() EIXxgklnycsvth
// Params::nonoption() file1
// Params::nonoption() file2
// Params::getopt() rc = 0
#include <exiv2/exiv2.hpp>
// getopt.{cpp|hpp} is not part of libexiv2
#include "getopt.hpp"
#ifdef EXV_HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <iostream>
#include <iomanip>
#include <cassert>
#define Safe(x) (x?x:"unknown")
const char* optstring = ":hVvqfbuktTFa:Y:O:D:r:p:P:d:e:i:c:m:M:l:S:g:K:n:Q:";
// *****************************************************************************
// class Params
class Params : public Util::Getopt {
public:
/*!
@brief Call Getopt::getopt() with optstring, to inititate command line
argument parsing, perform consistency checks after all command line
arguments are parsed.
@param argc Argument count as passed to main() on program invocation.
@param argv Argument array as passed to main() on program invocation.
@return 0 if successful, >0 in case of errors.
*/
int getopt(int argc, char** const argv)
{
int rc = Util::Getopt::getopt(argc, argv, ::optstring);
std::cout << "Params::getopt()"
<< " rc = " << rc
<< std::endl;
return rc ;
}
//! Handle options and their arguments.
int option(int opt, const std::string& optarg, int optopt)
{
std::cout << "Params::option()"
<< " opt = " << opt
<< " optarg = " << optarg
<< " optopt = " << optopt
<< std::endl;
return 0;
}
//! Handle non-option parameters.
int nonoption(const std::string& argv)
{
std::cout << "Params::nonoption()"
<< " " << argv
<< std::endl;
return 0 ;
}
}; // class Params
int main(int argc, char** const argv)
{
Exiv2::XmpParser::initialize();
::atexit(Exiv2::XmpParser::terminate);
int n;
#ifdef EXV_HAVE_UNISTD_H
std::cout << "standard getopt()" << std::endl;
do {
n = ::getopt(argc,argv,::optstring);
if ( n >= 0 ) {
char N = (char) n;
std::cout << n << " = " << N ;
} else {
std::cout << n ;
}
std::cout << " optind = " << ::optind
<< " opterr = " << ::opterr
<< " optopt = " << ::optopt
<< " optarg = " << Safe(::optarg)
<< std::endl;
} while ( n >= 0 );
std::cout << std::endl;
#endif
std::cout << "homemade getopt()" << std::endl;
do {
n = Util::getopt(argc,argv,::optstring);
if ( n >= 0 ) {
char N = (char) n;
std::cout << n << " = " << N ;
} else {
std::cout << n ;
}
std::cout << " optind = " << Util::optind
<< " opterr = " << Util::opterr
<< " optopt = " << Util::optopt
<< " optarg = " << Safe(Util::optarg)
<< std::endl;
} while ( n >= 0 );
std::cout << std::endl;
// Handle command line arguments
Params params;
params.getopt(argc, argv);
return 0;
}