diff options
Diffstat (limited to 'src/anyoption.cpp')
| -rw-r--r-- | src/anyoption.cpp | 1174 |
1 files changed, 0 insertions, 1174 deletions
diff --git a/src/anyoption.cpp b/src/anyoption.cpp deleted file mode 100644 index 9b334a6..0000000 --- a/src/anyoption.cpp +++ /dev/null @@ -1,1174 +0,0 @@ -/* - * AnyOption 1.3 - * - * kishan at hackorama dot com www.hackorama.com JULY 2001 - * - * + Acts as a common facade class for reading - * commandline options as well as options from - * an optionfile with delimited type value pairs - * - * + Handles the POSIX style single character options ( -w ) - * as well as the newer GNU long options ( --width ) - * - * + The option file assumes the traditional format of - * first character based comment lines and type value - * pairs with a delimiter , and flags which are not pairs - * - * # this is a coment - * # next line is an option value pair - * width : 100 - * # next line is a flag - * noimages - * - * + Supports printing out Help and Usage - * - * + Why not just use getopt() ? - * - * getopt() Its a POSIX standard not part of ANSI-C. - * So it may not be available on platforms like Windows. - * - * + Why it is so long ? - * - * The actual code which does command line parsing - * and option file parsing are done in few methods. - * Most of the extra code are for providing a flexible - * common public interface to both a resourcefile and - * and command line supporting POSIX style and - * GNU long option as well as mixing of both. - * - * + Please see "anyoption.h" for public method descriptions - * - */ - -/* Updated Auguest 2004 - * Fix from Michael D Peters (mpeters at sandia.gov) - * to remove static local variables, allowing multiple instantiations - * of the reader (for using multiple configuration files). There is - * an error in the destructor when using multiple instances, so you - * cannot delete your objects (it will crash), but not calling the - * destructor only introduces a small memory leak, so I - * have not bothered tracking it down. - * - * Also updated to use modern C++ style headers, rather than - * depricated iostream.h (it was causing my compiler problems) -*/ - -/* - * Updated September 2006 - * Fix from Boyan Asenov for a bug in mixing up option indexes - * leading to exception when mixing different options types - */ - -#include "anyoption.h" - -AnyOption::AnyOption() -{ - init(); -} - -AnyOption::AnyOption(int maxopt) -{ - init( maxopt , maxopt ); -} - -AnyOption::AnyOption(int maxopt, int maxcharopt) -{ - init( maxopt , maxcharopt ); -} - -AnyOption::~AnyOption() -{ - if( mem_allocated ) - cleanup(); -} - -void -AnyOption::init() -{ - init( DEFAULT_MAXOPTS , DEFAULT_MAXOPTS ); -} - -void -AnyOption::init(int maxopt, int maxcharopt ) -{ - - max_options = maxopt; - max_char_options = maxcharopt; - max_usage_lines = DEFAULT_MAXUSAGE; - usage_lines = 0 ; - argc = 0; - argv = NULL; - posix_style = true; - verbose = false; - filename = NULL; - appname = NULL; - option_counter = 0; - optchar_counter = 0; - new_argv = NULL; - new_argc = 0 ; - max_legal_args = 0 ; - command_set = false; - file_set = false; - values = NULL; - g_value_counter = 0; - mem_allocated = false; - command_set = false; - file_set = false; - opt_prefix_char = '-'; - file_delimiter_char = ':'; - file_comment_char = '#'; - equalsign = '='; - comment = '#' ; - delimiter = ':' ; - endofline = '\n'; - whitespace = ' ' ; - nullterminate = '\0'; - set = false; - once = true; - hasoptions = false; - autousage = false; - - strcpy( long_opt_prefix , "--" ); - - if( alloc() == false ){ - cout << endl << "OPTIONS ERROR : Failed allocating memory" ; - cout << endl ; - cout << "Exiting." << endl ; - exit (0); - } -} - -bool -AnyOption::alloc() -{ - int i = 0 ; - int size = 0 ; - - if( mem_allocated ) - return true; - - size = (max_options+1) * sizeof(const char*); - options = (const char**)malloc( size ); - optiontype = (int*) malloc( (max_options+1)*sizeof(int) ); - optionindex = (int*) malloc( (max_options+1)*sizeof(int) ); - if( options == NULL || optiontype == NULL || optionindex == NULL ) - return false; - else - mem_allocated = true; - for( i = 0 ; i < max_options ; i++ ){ - options[i] = NULL; - optiontype[i] = 0 ; - optionindex[i] = -1 ; - } - optionchars = (char*) malloc( (max_char_options+1)*sizeof(char) ); - optchartype = (int*) malloc( (max_char_options+1)*sizeof(int) ); - optcharindex = (int*) malloc( (max_char_options+1)*sizeof(int) ); - if( optionchars == NULL || - optchartype == NULL || - optcharindex == NULL ) - { - mem_allocated = false; - return false; - } - for( i = 0 ; i < max_char_options ; i++ ){ - optionchars[i] = '0'; - optchartype[i] = 0 ; - optcharindex[i] = -1 ; - } - - size = (max_usage_lines+1) * sizeof(const char*) ; - usage = (const char**) malloc( size ); - - if( usage == NULL ){ - mem_allocated = false; - return false; - } - for( i = 0 ; i < max_usage_lines ; i++ ) - usage[i] = NULL; - - return true; -} - -bool -AnyOption::doubleOptStorage() -{ - options = (const char**)realloc( options, - ((2*max_options)+1) * sizeof( const char*) ); - optiontype = (int*) realloc( optiontype , - ((2 * max_options)+1)* sizeof(int) ); - optionindex = (int*) realloc( optionindex, - ((2 * max_options)+1) * sizeof(int) ); - if( options == NULL || optiontype == NULL || optionindex == NULL ) - return false; - /* init new storage */ - for( int i = max_options ; i < 2*max_options ; i++ ){ - options[i] = NULL; - optiontype[i] = 0 ; - optionindex[i] = -1 ; - } - max_options = 2 * max_options ; - return true; -} - -bool -AnyOption::doubleCharStorage() -{ - optionchars = (char*) realloc( optionchars, - ((2*max_char_options)+1)*sizeof(char) ); - optchartype = (int*) realloc( optchartype, - ((2*max_char_options)+1)*sizeof(int) ); - optcharindex = (int*) realloc( optcharindex, - ((2*max_char_options)+1)*sizeof(int) ); - if( optionchars == NULL || - optchartype == NULL || - optcharindex == NULL ) - return false; - /* init new storage */ - for( int i = max_char_options ; i < 2*max_char_options ; i++ ){ - optionchars[i] = '0'; - optchartype[i] = 0 ; - optcharindex[i] = -1 ; - } - max_char_options = 2 * max_char_options; - return true; -} - -bool -AnyOption::doubleUsageStorage() -{ - usage = (const char**)realloc( usage, - ((2*max_usage_lines)+1) * sizeof( const char*) ); - if ( usage == NULL ) - return false; - for( int i = max_usage_lines ; i < 2*max_usage_lines ; i++ ) - usage[i] = NULL; - max_usage_lines = 2 * max_usage_lines ; - return true; - -} - - -void -AnyOption::cleanup() -{ - free (options); - free (optiontype); - free (optionindex); - free (optionchars); - free (optchartype); - free (optcharindex); - free (usage); - if( values != NULL ) - free (values); - if( new_argv != NULL ) - free (new_argv); -} - -void -AnyOption::setCommandPrefixChar( char _prefix ) -{ - opt_prefix_char = _prefix; -} - -void -AnyOption::setCommandLongPrefix( char *_prefix ) -{ - if( strlen( _prefix ) > MAX_LONG_PREFIX_LENGTH ){ - *( _prefix + MAX_LONG_PREFIX_LENGTH ) = '\0'; - } - - strcpy (long_opt_prefix, _prefix); -} - -void -AnyOption::setFileCommentChar( char _comment ) -{ - file_delimiter_char = _comment; -} - - -void -AnyOption::setFileDelimiterChar( char _delimiter ) -{ - file_comment_char = _delimiter ; -} - -bool -AnyOption::CommandSet() -{ - return( command_set ); -} - -bool -AnyOption::FileSet() -{ - return( file_set ); -} - -void -AnyOption::noPOSIX() -{ - posix_style = false; -} - -bool -AnyOption::POSIX() -{ - return posix_style; -} - - -void -AnyOption::setVerbose() -{ - verbose = true ; -} - -void -AnyOption::printVerbose() -{ - if( verbose ) - cout << endl ; -} -void -AnyOption::printVerbose( const char *msg ) -{ - if( verbose ) - cout << msg ; -} - -void -AnyOption::printVerbose( char *msg ) -{ - if( verbose ) - cout << msg ; -} - -void -AnyOption::printVerbose( char ch ) -{ - if( verbose ) - cout << ch ; -} - -bool -AnyOption::hasOptions() -{ - return hasoptions; -} - -void -AnyOption::autoUsagePrint(bool _autousage) -{ - autousage = _autousage; -} - -void -AnyOption::useCommandArgs( int _argc, char **_argv ) -{ - argc = _argc; - argv = _argv; - command_set = true; - appname = argv[0]; - if(argc > 1) hasoptions = true; -} - -void -AnyOption::useFiileName( const char *_filename ) -{ - filename = _filename; - file_set = true; -} - -/* - * set methods for options - */ - -void -AnyOption::setCommandOption( const char *opt ) -{ - addOption( opt , COMMAND_OPT ); - g_value_counter++; -} - -void -AnyOption::setCommandOption( char opt ) -{ - addOption( opt , COMMAND_OPT ); - g_value_counter++; -} - -void -AnyOption::setCommandOption( const char *opt , char optchar ) -{ - addOption( opt , COMMAND_OPT ); - addOption( optchar , COMMAND_OPT ); - g_value_counter++; -} - -void -AnyOption::setCommandFlag( const char *opt ) -{ - addOption( opt , COMMAND_FLAG ); - g_value_counter++; -} - -void -AnyOption::setCommandFlag( char opt ) -{ - addOption( opt , COMMAND_FLAG ); - g_value_counter++; -} - -void -AnyOption::setCommandFlag( const char *opt , char optchar ) -{ - addOption( opt , COMMAND_FLAG ); - addOption( optchar , COMMAND_FLAG ); - g_value_counter++; -} - -void -AnyOption::setFileOption( const char *opt ) -{ - addOption( opt , FILE_OPT ); - g_value_counter++; -} - -void -AnyOption::setFileOption( char opt ) -{ - addOption( opt , FILE_OPT ); - g_value_counter++; -} - -void -AnyOption::setFileOption( const char *opt , char optchar ) -{ - addOption( opt , FILE_OPT ); - addOption( optchar, FILE_OPT ); - g_value_counter++; -} - -void -AnyOption::setFileFlag( const char *opt ) -{ - addOption( opt , FILE_FLAG ); - g_value_counter++; -} - -void -AnyOption::setFileFlag( char opt ) -{ - addOption( opt , FILE_FLAG ); - g_value_counter++; -} - -void -AnyOption::setFileFlag( const char *opt , char optchar ) -{ - addOption( opt , FILE_FLAG ); - addOption( optchar , FILE_FLAG ); - g_value_counter++; -} - -void -AnyOption::setOption( const char *opt ) -{ - addOption( opt , COMMON_OPT ); - g_value_counter++; -} - -void -AnyOption::setOption( char opt ) -{ - addOption( opt , COMMON_OPT ); - g_value_counter++; -} - -void -AnyOption::setOption( const char *opt , char optchar ) -{ - addOption( opt , COMMON_OPT ); - addOption( optchar , COMMON_OPT ); - g_value_counter++; -} - -void -AnyOption::setFlag( const char *opt ) -{ - addOption( opt , COMMON_FLAG ); - g_value_counter++; -} - -void -AnyOption::setFlag( const char opt ) -{ - addOption( opt , COMMON_FLAG ); - g_value_counter++; -} - -void -AnyOption::setFlag( const char *opt , char optchar ) -{ - addOption( opt , COMMON_FLAG ); - addOption( optchar , COMMON_FLAG ); - g_value_counter++; -} - -void -AnyOption::addOption( const char *opt, int type ) -{ - if( option_counter >= max_options ){ - if( doubleOptStorage() == false ){ - addOptionError( opt ); - return; - } - } - options[ option_counter ] = opt ; - optiontype[ option_counter ] = type ; - optionindex[ option_counter ] = g_value_counter; - option_counter++; -} - -void -AnyOption::addOption( char opt, int type ) -{ - if( !POSIX() ){ - printVerbose("Ignoring the option character \""); - printVerbose( opt ); - printVerbose( "\" ( POSIX options are turned off )" ); - printVerbose(); - return; - } - - - if( optchar_counter >= max_char_options ){ - if( doubleCharStorage() == false ){ - addOptionError( opt ); - return; - } - } - optionchars[ optchar_counter ] = opt ; - optchartype[ optchar_counter ] = type ; - optcharindex[ optchar_counter ] = g_value_counter; - optchar_counter++; -} - -void -AnyOption::addOptionError( const char *opt ) -{ - cout << endl ; - cout << "OPTIONS ERROR : Failed allocating extra memory " << endl ; - cout << "While adding the option : \""<< opt << "\"" << endl; - cout << "Exiting." << endl ; - cout << endl ; - exit(0); -} - -void -AnyOption::addOptionError( char opt ) -{ - cout << endl ; - cout << "OPTIONS ERROR : Failed allocating extra memory " << endl ; - cout << "While adding the option: \""<< opt << "\"" << endl; - cout << "Exiting." << endl ; - cout << endl ; - exit(0); -} - -void -AnyOption::processOptions() -{ - if( ! valueStoreOK() ) - return; -} - -void -AnyOption::processCommandArgs(int max_args) -{ - max_legal_args = max_args; - processCommandArgs(); -} - -void -AnyOption::processCommandArgs( int _argc, char **_argv, int max_args ) -{ - max_legal_args = max_args; - processCommandArgs( _argc, _argv ); -} - -void -AnyOption::processCommandArgs( int _argc, char **_argv ) -{ - useCommandArgs( _argc, _argv ); - processCommandArgs(); -} - -void -AnyOption::processCommandArgs() -{ - if( ! ( valueStoreOK() && CommandSet() ) ) - return; - - if( max_legal_args == 0 ) - max_legal_args = argc; - new_argv = (int*) malloc( (max_legal_args+1) * sizeof(int) ); - for( int i = 1 ; i < argc ; i++ ){/* ignore first argv */ - if( argv[i][0] == long_opt_prefix[0] && - argv[i][1] == long_opt_prefix[1] ) { /* long GNU option */ - int match_at = parseGNU( argv[i]+2 ); /* skip -- */ - if( match_at >= 0 && i < argc-1 ) /* found match */ - setValue( options[match_at] , argv[++i] ); - }else if( argv[i][0] == opt_prefix_char ) { /* POSIX char */ - if( POSIX() ){ - char ch = parsePOSIX( argv[i]+1 );/* skip - */ - if( ch != '0' && i < argc-1 ) /* matching char */ - setValue( ch , argv[++i] ); - } else { /* treat it as GNU option with a - */ - int match_at = parseGNU( argv[i]+1 ); /* skip - */ - if( match_at >= 0 && i < argc-1 ) /* found match */ - setValue( options[match_at] , argv[++i] ); - } - }else { /* not option but an argument keep index */ - if( new_argc < max_legal_args ){ - new_argv[ new_argc ] = i ; - new_argc++; - }else{ /* ignore extra arguments */ - printVerbose( "Ignoring extra argument: " ); - printVerbose( argv[i] ); - printVerbose( ); - printAutoUsage(); - } - printVerbose( "Unknown command argument option : " ); - printVerbose( argv[i] ); - printVerbose( ); - printAutoUsage(); - } - } -} - -char -AnyOption::parsePOSIX( char* arg ) -{ - - for( unsigned int i = 0 ; i < strlen(arg) ; i++ ){ - char ch = arg[i] ; - if( matchChar(ch) ) { /* keep matching flags till an option */ - /*if last char argv[++i] is the value */ - if( i == strlen(arg)-1 ){ - return ch; - }else{/* else the rest of arg is the value */ - i++; /* skip any '=' and ' ' */ - while( arg[i] == whitespace - || arg[i] == equalsign ) - i++; - setValue( ch , arg+i ); - return '0'; - } - } - } - printVerbose( "Unknown command argument option : " ); - printVerbose( arg ); - printVerbose( ); - printAutoUsage(); - return '0'; -} - -int -AnyOption::parseGNU( char *arg ) -{ - int split_at = 0; - /* if has a '=' sign get value */ - for( unsigned int i = 0 ; i < strlen(arg) ; i++ ){ - if(arg[i] == equalsign ){ - split_at = i ; /* store index */ - i = strlen(arg); /* get out of loop */ - } - } - if( split_at > 0 ){ /* it is an option value pair */ - char* tmp = (char*) malloc( (split_at+1)*sizeof(char) ); - for( int i = 0 ; i < split_at ; i++ ) - tmp[i] = arg[i]; - tmp[split_at] = '\0'; - - if ( matchOpt( tmp ) >= 0 ){ - setValue( options[matchOpt(tmp)] , arg+split_at+1 ); - free (tmp); - }else{ - printVerbose( "Unknown command argument option : " ); - printVerbose( arg ); - printVerbose( ); - printAutoUsage(); - free (tmp); - return -1; - } - }else{ /* regular options with no '=' sign */ - return matchOpt(arg); - } - return -1; -} - - -int -AnyOption::matchOpt( char *opt ) -{ - for( int i = 0 ; i < option_counter ; i++ ){ - if( strcmp( options[i], opt ) == 0 ){ - if( optiontype[i] == COMMON_OPT || - optiontype[i] == COMMAND_OPT ) - { /* found option return index */ - return i; - }else if( optiontype[i] == COMMON_FLAG || - optiontype[i] == COMMAND_FLAG ) - { /* found flag, set it */ - setFlagOn( opt ); - return -1; - } - } - } - printVerbose( "Unknown command argument option : " ); - printVerbose( opt ) ; - printVerbose( ); - printAutoUsage(); - return -1; -} -bool -AnyOption::matchChar( char c ) -{ - for( int i = 0 ; i < optchar_counter ; i++ ){ - if( optionchars[i] == c ) { /* found match */ - if(optchartype[i] == COMMON_OPT || - optchartype[i] == COMMAND_OPT ) - { /* an option store and stop scanning */ - return true; - }else if( optchartype[i] == COMMON_FLAG || - optchartype[i] == COMMAND_FLAG ) { /* a flag store and keep scanning */ - setFlagOn( c ); - return false; - } - } - } - printVerbose( "Unknown command argument option : " ); - printVerbose( c ) ; - printVerbose( ); - printAutoUsage(); - return false; -} - -bool -AnyOption::valueStoreOK( ) -{ - int size= 0; - if( !set ){ - if( g_value_counter > 0 ){ - size = g_value_counter * sizeof(char*); - values = (char**)malloc( size ); - for( int i = 0 ; i < g_value_counter ; i++) - values[i] = NULL; - set = true; - } - } - return set; -} - -/* - * public get methods - */ -char* -AnyOption::getValue( const char *option ) -{ - if( !valueStoreOK() ) - return NULL; - - for( int i = 0 ; i < option_counter ; i++ ){ - if( strcmp( options[i], option ) == 0 ) - return values[ optionindex[i] ]; - } - return NULL; -} - -bool -AnyOption::getFlag( const char *option ) -{ - if( !valueStoreOK() ) - return false; - for( int i = 0 ; i < option_counter ; i++ ){ - if( strcmp( options[i], option ) == 0 ) - return findFlag( values[ optionindex[i] ] ); - } - return false; -} - -char* -AnyOption::getValue( char option ) -{ - if( !valueStoreOK() ) - return NULL; - for( int i = 0 ; i < optchar_counter ; i++ ){ - if( optionchars[i] == option ) - return values[ optcharindex[i] ]; - } - return NULL; -} - -bool -AnyOption::getFlag( char option ) -{ - if( !valueStoreOK() ) - return false; - for( int i = 0 ; i < optchar_counter ; i++ ){ - if( optionchars[i] == option ) - return findFlag( values[ optcharindex[i] ] ) ; - } - return false; -} - -bool -AnyOption::findFlag( char* val ) -{ - if( val == NULL ) - return false; - - if( strcmp( TRUE_FLAG , val ) == 0 ) - return true; - - return false; -} - -/* - * private set methods - */ -bool -AnyOption::setValue( const char *option , char *value ) -{ - if( !valueStoreOK() ) - return false; - for( int i = 0 ; i < option_counter ; i++ ){ - if( strcmp( options[i], option ) == 0 ){ - values[ optionindex[i] ] = (char*) malloc((strlen(value)+1)*sizeof(char)); - strcpy( values[ optionindex[i] ], value ); - return true; - } - } - return false; -} - -bool -AnyOption::setFlagOn( const char *option ) -{ - if( !valueStoreOK() ) - return false; - for( int i = 0 ; i < option_counter ; i++ ){ - if( strcmp( options[i], option ) == 0 ){ - values[ optionindex[i] ] = (char*) malloc((strlen(TRUE_FLAG)+1)*sizeof(char)); - strcpy( values[ optionindex[i] ] , TRUE_FLAG ); - return true; - } - } - return false; -} - -bool -AnyOption::setValue( char option , char *value ) -{ - if( !valueStoreOK() ) - return false; - for( int i = 0 ; i < optchar_counter ; i++ ){ - if( optionchars[i] == option ){ - values[ optcharindex[i] ] = (char*) malloc((strlen(value)+1)*sizeof(char)); - strcpy( values[ optcharindex[i] ], value ); - return true; - } - } - return false; -} - -bool -AnyOption::setFlagOn( char option ) -{ - if( !valueStoreOK() ) - return false; - for( int i = 0 ; i < optchar_counter ; i++ ){ - if( optionchars[i] == option ){ - values[ optcharindex[i] ] = (char*) malloc((strlen(TRUE_FLAG)+1)*sizeof(char)); - strcpy( values[ optcharindex[i] ] , TRUE_FLAG ); - return true; - } - } - return false; -} - - -int -AnyOption::getArgc( ) -{ - return new_argc; -} - -char* -AnyOption::getArgv( int index ) -{ - if( index < new_argc ){ - return ( argv[ new_argv[ index ] ] ); - } - return NULL; -} - -/* dotfile sub routines */ - -bool -AnyOption::processFile() -{ - if( ! (valueStoreOK() && FileSet()) ) - return false; - return ( consumeFile(readFile()) ); -} - -bool -AnyOption::processFile( const char *filename ) -{ - useFiileName(filename ); - return ( processFile() ); -} - -char* -AnyOption::readFile() -{ - return ( readFile(filename) ); -} - -/* - * read the file contents to a character buffer - */ - -char* -AnyOption::readFile( const char* fname ) -{ - int length; - char *buffer; - ifstream is; - is.open ( fname , ifstream::in ); - if( ! is.good() ){ - is.close(); - return NULL; - } - is.seekg (0, ios::end); - length = is.tellg(); - is.seekg (0, ios::beg); - buffer = (char*) malloc(length*sizeof(char)); - is.read (buffer,length); - is.close(); - return buffer; -} - -/* - * scans a char* buffer for lines that does not - * start with the specified comment character. - */ -bool -AnyOption::consumeFile( char *buffer ) -{ - - if( buffer == NULL ) - return false; - - char *cursor = buffer;/* preserve the ptr */ - char *pline = NULL ; - int linelength = 0; - bool newline = true; - for( unsigned int i = 0 ; i < strlen( buffer ) ; i++ ){ - if( *cursor == endofline ) { /* end of line */ - if( pline != NULL ) /* valid line */ - processLine( pline, linelength ); - pline = NULL; - newline = true; - }else if( newline ){ /* start of line */ - newline = false; - if( (*cursor != comment ) ){ /* not a comment */ - pline = cursor ; - linelength = 0 ; - } - } - cursor++; /* keep moving */ - linelength++; - } - free (buffer); - return true; -} - - -/* - * find a valid type value pair separated by a delimiter - * character and pass it to valuePairs() - * any line which is not valid will be considered a value - * and will get passed on to justValue() - * - * assuming delimiter is ':' the behaviour will be, - * - * width:10 - valid pair valuePairs( width, 10 ); - * width : 10 - valid pair valuepairs( width, 10 ); - * - * :::: - not valid - * width - not valid - * :10 - not valid - * width: - not valid - * :: - not valid - * : - not valid - * - */ - -void -AnyOption::processLine( char *theline, int length ) -{ - bool found = false; - char *pline = (char*) malloc( (length+1)*sizeof(char) ); - for( int i = 0 ; i < length ; i ++ ) - pline[i]= *(theline++); - pline[length] = nullterminate; - char *cursor = pline ; /* preserve the ptr */ - if( *cursor == delimiter || *(cursor+length-1) == delimiter ){ - justValue( pline );/* line with start/end delimiter */ - }else{ - for( int i = 1 ; i < length-1 && !found ; i++){/* delimiter */ - if( *cursor == delimiter ){ - *(cursor-1) = nullterminate; /* two strings */ - found = true; - valuePairs( pline , cursor+1 ); - } - cursor++; - } - cursor++; - if( !found ) /* not a pair */ - justValue( pline ); - } - free (pline); -} - -/* - * removes trailing and preceeding whitespaces from a string - */ -char* -AnyOption::chomp( char *str ) -{ - while( *str == whitespace ) - str++; - char *end = str+strlen(str)-1; - while( *end == whitespace ) - end--; - *(end+1) = nullterminate; - return str; -} - -void -AnyOption::valuePairs( char *type, char *value ) -{ - if ( strlen(chomp(type)) == 1 ){ /* this is a char option */ - for( int i = 0 ; i < optchar_counter ; i++ ){ - if( optionchars[i] == type[0] ){ /* match */ - if( optchartype[i] == COMMON_OPT || - optchartype[i] == FILE_OPT ) - { - setValue( type[0] , chomp(value) ); - return; - } - } - } - } - /* if no char options matched */ - for( int i = 0 ; i < option_counter ; i++ ){ - if( strcmp( options[i], type ) == 0 ){ /* match */ - if( optiontype[i] == COMMON_OPT || - optiontype[i] == FILE_OPT ) - { - setValue( type , chomp(value) ); - return; - } - } - } - printVerbose( "Unknown option in resourcefile : " ); - printVerbose( type ); - printVerbose( ); -} - -void -AnyOption::justValue( char *type ) -{ - - if ( strlen(chomp(type)) == 1 ){ /* this is a char option */ - for( int i = 0 ; i < optchar_counter ; i++ ){ - if( optionchars[i] == type[0] ){ /* match */ - if( optchartype[i] == COMMON_FLAG || - optchartype[i] == FILE_FLAG ) - { - setFlagOn( type[0] ); - return; - } - } - } - } - /* if no char options matched */ - for( int i = 0 ; i < option_counter ; i++ ){ - if( strcmp( options[i], type ) == 0 ){ /* match */ - if( optiontype[i] == COMMON_FLAG || - optiontype[i] == FILE_FLAG ) - { - setFlagOn( type ); - return; - } - } - } - printVerbose( "Unknown option in resourcefile : " ); - printVerbose( type ); - printVerbose( ); -} - -/* - * usage and help - */ - - -void -AnyOption::printAutoUsage() -{ - if( autousage ) printUsage(); -} - -void -AnyOption::printUsage() -{ - - if( once ) { - once = false ; - cout << endl ; - for( int i = 0 ; i < usage_lines ; i++ ) - cout << usage[i] << endl ; - cout << endl ; - } -} - - -void -AnyOption::addUsage( const char *line ) -{ - if( usage_lines >= max_usage_lines ){ - if( doubleUsageStorage() == false ){ - addUsageError( line ); - exit(1); - } - } - usage[ usage_lines ] = line ; - usage_lines++; -} - -void -AnyOption::addUsageError( const char *line ) -{ - cout << endl ; - cout << "OPTIONS ERROR : Failed allocating extra memory " << endl ; - cout << "While adding the usage/help : \""<< line << "\"" << endl; - cout << "Exiting." << endl ; - cout << endl ; - exit(0); - -} |