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cmdoptns.h Go to the documentation of this file. // Copyright (C) 2001 Gianni Mariani // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // As a special exception to the GNU General Public License, permission is // granted for additional uses of the text contained in its release // of Common C++. // // The exception is that, if you link the Common C++ library with other // files to produce an executable, this does not by itself cause the // resulting executable to be covered by the GNU General Public License. // Your use of that executable is in no way restricted on account of // linking the Common C++ library code into it. // // This exception does not however invalidate any other reasons why // the executable file might be covered by the GNU General Public License. // // This exception applies only to the code released under the // name Common C++. If you copy code from other releases into a copy of // Common C++, as the General Public License permits, the exception does // not apply to the code that you add in this way. To avoid misleading // anyone as to the status of such modified files, you must delete // this exception notice from them. // // If you write modifications of your own for Common C++, it is your choice // whether to permit this exception to apply to your modifications. // If you do not wish that, delete this exception notice. // #ifndef __CCXX_CMDOPTNS_H__ #define __CCXX_CMDOPTNS_H__ #include "config.h" #ifdef HAVE_GETOPT_LONG class CommandOption; class CommandOptionParse; extern CommandOption * DefaultCommandOptionList; class CommandOption { public: const char * option_name; const char * option_letter; const char * description; enum OptionType { HasArg, NoArg, Trailing, Collect }; OptionType option_type; // HasArg, NoArg or Trailing bool required; // Option is required - fail without it CommandOption * next; virtual ~CommandOption(); CommandOption( const char * in_option_name, const char * in_option_letter, const char * in_description, OptionType in_option_type, bool in_required = false, CommandOption ** pp_next = & DefaultCommandOptionList ); virtual void FoundOption( CommandOptionParse * cop, const char * value = 0 ); virtual void FoundOption( CommandOptionParse * cop, const char ** value, int num ); virtual void ParseDone( CommandOptionParse * cop ); virtual void PerformTask( CommandOptionParse * cop ); virtual bool HasValue(); }; class CommandOptionWithArg : public CommandOption { public: const char ** values; int numvalue; CommandOptionWithArg( const char * in_option_name, const char * in_option_letter, const char * in_description, OptionType in_option_type, bool in_required = false, CommandOption ** pp_next = & DefaultCommandOptionList ); virtual ~CommandOptionWithArg(); virtual void FoundOption( CommandOptionParse * cop, const char * value = 0 ); virtual void FoundOption( CommandOptionParse * cop, const char ** value, int num ); virtual bool HasValue(); }; class CommandOptionArg : public CommandOptionWithArg { public: CommandOptionArg( const char * in_option_name, const char * in_option_letter, const char * in_description, bool in_required = false, CommandOption ** pp_next = & DefaultCommandOptionList ); virtual ~CommandOptionArg(); }; class CommandOptionRest : public CommandOptionWithArg { public: CommandOptionRest( const char * in_option_name, const char * in_option_letter, const char * in_description, bool in_required = false, CommandOption ** pp_next = & DefaultCommandOptionList ); }; class CommandOptionCollect : public CommandOptionWithArg { public: CommandOptionCollect( const char * in_option_name, const char * in_option_letter, const char * in_description, bool in_required = false, CommandOption ** pp_next = & DefaultCommandOptionList ); }; class CommandOptionNoArg : public CommandOption { public: int numset; // The number of times this argument is set CommandOptionNoArg( const char * in_option_name, const char * in_option_letter, const char * in_description, bool in_required = false, CommandOption ** pp_next = & DefaultCommandOptionList ); virtual void FoundOption( CommandOptionParse * cop, const char * value = 0 ); }; class CommandOptionParse { public: virtual ~CommandOptionParse() = 0; virtual bool ArgsHaveError() = 0; virtual const char * PrintErrors() = 0; virtual const char * PrintUsage() = 0; virtual void RegisterError( const char * err_msg ) = 0; virtual void PerformTask() = 0; }; CommandOptionParse * MakeCommandOptionParse( int argc, char ** argv, char * comment, CommandOption * options = DefaultCommandOptionList ); #endif #endif