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// ***************************************************************** -*- C++ -*-
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// getopt-test.cpp
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// Sample program to test getopt()
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// Command:
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// $ getopt-test -v pr -P EIXxgklnycsvth file1 file2
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//
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// Output:
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// standard getopt()
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// 118 = v optind = 2 opterr = 1 optopt = 118 optarg = unknown
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// -1 optind = 2 opterr = 1 optopt = 118 optarg = unknown
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//
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// homemade getopt()
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// 118 = v optind = 2 opterr = 1 optopt = 118 optarg = unknown
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// -1 optind = 2 opterr = 1 optopt = 118 optarg = unknown
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//
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// Params::option() opt = 118 optarg = optopt = 118
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// Params::nonoption() pr
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// Params::nonoption() -P
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// Params::nonoption() EIXxgklnycsvth
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// Params::nonoption() file1
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// Params::nonoption() file2
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// Params::getopt() rc = 0
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#include <exiv2/exiv2.hpp>
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// getopt.{cpp|hpp} is not part of libexiv2
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#include "getopt.hpp"
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#ifdef EXV_HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <iostream>
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#include <iomanip>
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#include <cassert>
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#define Safe(x) (x?x:"unknown")
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const char* optstring = ":hVvqfbuktTFa:Y:O:D:r:p:P:d:e:i:c:m:M:l:S:g:K:n:Q:";
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// *****************************************************************************
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// class Params
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class Params : public Util::Getopt {
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public:
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/*!
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@brief Call Getopt::getopt() with optstring, to inititate command line
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argument parsing, perform consistency checks after all command line
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arguments are parsed.
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@param argc Argument count as passed to main() on program invocation.
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@param argv Argument array as passed to main() on program invocation.
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@return 0 if successful, >0 in case of errors.
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*/
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int getopt(int argc, char** const argv)
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{
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int rc = Util::Getopt::getopt(argc, argv, ::optstring);
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std::cout << "Params::getopt()"
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<< " rc = " << rc
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<< std::endl;
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return rc ;
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}
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//! Handle options and their arguments.
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int option(int opt, const std::string& optarg, int optopt)
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{
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std::cout << "Params::option()"
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<< " opt = " << opt
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<< " optarg = " << optarg
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<< " optopt = " << optopt
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<< std::endl;
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return 0;
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}
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//! Handle non-option parameters.
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int nonoption(const std::string& argv)
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{
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std::cout << "Params::nonoption()"
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<< " " << argv
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<< std::endl;
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return 0 ;
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}
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}; // class Params
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int main(int argc, char** const argv)
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{
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Exiv2::XmpParser::initialize();
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::atexit(Exiv2::XmpParser::terminate);
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fb147c |
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int n;
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#ifdef EXV_HAVE_UNISTD_H
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std::cout << "standard getopt()" << std::endl;
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do {
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n = ::getopt(argc,argv,::optstring);
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if ( n >= 0 ) {
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char N = (char) n;
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std::cout << n << " = " << N ;
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} else {
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std::cout << n ;
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}
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std::cout << " optind = " << ::optind
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<< " opterr = " << ::opterr
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<< " optopt = " << ::optopt
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<< " optarg = " << Safe(::optarg)
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<< std::endl;
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} while ( n >= 0 );
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std::cout << std::endl;
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#endif
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std::cout << "homemade getopt()" << std::endl;
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do {
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n = Util::getopt(argc,argv,::optstring);
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if ( n >= 0 ) {
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char N = (char) n;
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std::cout << n << " = " << N ;
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} else {
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std::cout << n ;
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}
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std::cout << " optind = " << Util::optind
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<< " opterr = " << Util::opterr
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<< " optopt = " << Util::optopt
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<< " optarg = " << Safe(Util::optarg)
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<< std::endl;
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} while ( n >= 0 );
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std::cout << std::endl;
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// Handle command line arguments
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Params params;
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params.getopt(argc, argv);
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return 0;
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}
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