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102 lines
3.6 KiB
C++
102 lines
3.6 KiB
C++
/*
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* Here is a sample of how to use AnyOption to
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* parse comand line argumnets and an ptions file
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*
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* Create sample.txt as follows
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*
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* # sample options file
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* # this is a comment
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* zip
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* size : 42
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* title : This is a test title.
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*
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* Run the sample with any combination of the options
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*
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* a.out -c --zip -s 20 --name foo.jpg argtest1 argtest2
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*/
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#include "anyoption.h"
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void example( int argc, char* argv[] );
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int
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main( int argc, char* argv[] )
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{
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example( argc, argv );
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return 0 ;
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}
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void
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example( int argc, char* argv[] )
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{
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/* 1. CREATE AN OBJECT */
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AnyOption *opt = new AnyOption();
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/* 2. SET PREFERENCES */
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//opt->noPOSIX(); /* do not check for POSIX style character options */
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//opt->setVerbose(); /* print warnings about unknown options */
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//opt->autoUsagePrint(true); /* print usage for bad options */
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/* 3. SET THE USAGE/HELP */
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opt->addUsage( "" );
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opt->addUsage( "Usage: " );
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opt->addUsage( "" );
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opt->addUsage( " -h --help Prints this help " );
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opt->addUsage( " -s --size 42 Image Size " );
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opt->addUsage( " -z --zip Compress Image " );
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opt->addUsage( " -c convert Image " );
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opt->addUsage( " --name image.jpg Image Name " );
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opt->addUsage( "" );
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/* 4. SET THE OPTION STRINGS/CHARACTERS */
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/* by default all options will be checked on the command line and from option/resource file */
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opt->setFlag( "help", 'h' ); /* a flag (takes no argument), supporting long and short form */
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opt->setOption( "size", 's' ); /* an option (takes an argument), supporting long and short form */
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opt->setOption( "name" ); /* an option (takes an argument), supporting only long form */
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opt->setFlag( 'c' ); /* a flag (takes no argument), supporting only short form */
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/* for options that will be checked only on the command and line not in option/resource file */
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opt->setCommandFlag( "zip" , 'z'); /* a flag (takes no argument), supporting long and short form */
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/* for options that will be checked only from the option/resource file */
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opt->setFileOption( "title" ); /* an option (takes an argument), supporting only long form */
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/* 5. PROCESS THE COMMANDLINE AND RESOURCE FILE */
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/* read options from a option/resource file with ':' separated opttions or flags, one per line */
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opt->processFile( "/home/user/.options" );
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/* go through the command line and get the options */
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opt->processCommandArgs( argc, argv );
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if( ! opt->hasOptions()) { /* print usage if no options */
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opt->printUsage();
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delete opt;
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return;
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}
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/* 6. GET THE VALUES */
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if( opt->getFlag( "help" ) || opt->getFlag( 'h' ) )
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opt->printUsage();
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if( opt->getValue( 's' ) != NULL || opt->getValue( "size" ) != NULL )
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cout << "size = " << opt->getValue( 's' ) << endl ;
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if( opt->getValue( "name" ) != NULL )
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cout << "name = " << opt->getValue( "name" ) << endl ;
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if( opt->getValue( "title" ) != NULL )
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cout << "title = " << opt->getValue( "title" ) << endl ;
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if( opt->getFlag( 'c' ) )
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cout << "c = flag set " << endl ;
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if( opt->getFlag( 'z' ) || opt->getFlag( "zip" ) )
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cout << "zip = flag set " << endl ;
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cout << endl ;
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/* 7. GET THE ACTUAL ARGUMENTS AFTER THE OPTIONS */
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for( int i = 0 ; i < opt->getArgc() ; i++ ){
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cout << "arg = " << opt->getArgv( i ) << endl ;
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}
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/* 8. DONE */
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delete opt;
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}
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