1 files changed, 270 insertions, 0 deletions

diff --git a/pacman-c++/anyoption.h b/pacman-c++/anyoption.h
new file mode 100644
index 0000000..3f7a5de
--- /dev/null
+++ b/pacman-c++/anyoption.h
@@ -0,0 +1,270 @@
+#ifndef _ANYOPTION_H
+#define _ANYOPTION_H
+
+#include <iostream>
+#include <fstream>
+#include <stdlib.h>
+#include <string>
+
+#define COMMON_OPT      1
+#define COMMAND_OPT     2
+#define FILE_OPT        3
+#define COMMON_FLAG     4
+#define COMMAND_FLAG    5
+#define FILE_FLAG       6
+
+#define COMMAND_OPTION_TYPE     1
+#define COMMAND_FLAG_TYPE       2
+#define FILE_OPTION_TYPE        3
+#define FILE_FLAG_TYPE          4 
+#define UNKNOWN_TYPE            5
+
+#define DEFAULT_MAXOPTS         10
+#define MAX_LONG_PREFIX_LENGTH  2
+
+#define DEFAULT_MAXUSAGE        3
+#define DEFAULT_MAXHELP         10      
+
+#define TRUE_FLAG "true" 
+
+using namespace std;
+
+class AnyOption 
+{
+
+public: /* the public interface */
+        AnyOption();
+        AnyOption(int maxoptions ); 
+        AnyOption(int maxoptions , int maxcharoptions); 
+        ~AnyOption();
+
+        /* 
+         * following set methods specifies the  
+         * special characters and delimiters 
+         * if not set traditional defaults will be used
+         */
+
+        void setCommandPrefixChar( char _prefix );   /* '-' in "-w" */
+        void setCommandLongPrefix( char *_prefix );  /* '--' in "--width" */
+        void setFileCommentChar( char _comment );    /* '#' in shellscripts */
+        void setFileDelimiterChar( char _delimiter );/* ':' in "width : 100" */
+
+        /* 
+         * provide the input for the options
+         * like argv[] for commndline and the 
+         * option file name  to use;
+         */
+
+        void useCommandArgs( int _argc, char **_argv );
+        void useFiileName( const char *_filename );
+
+        /* 
+         * turn off the POSIX style options 
+         * this means anything starting with a '-' or "--"
+         * will be considered a valid option 
+         * which alo means you cannot add a bunch of 
+         * POIX options chars together like "-lr"  for "-l -r"
+         * 
+         */
+
+        void noPOSIX();
+
+        /*
+         * prints warning verbose if you set anything wrong 
+         */
+        void setVerbose();
+
+
+        /* 
+         * there are two types of options  
+         *
+         * Option - has an associated value ( -w 100 )
+         * Flag  - no value, just a boolean flag  ( -nogui )
+         * 
+         * the options can be either a string ( GNU style )
+         * or a character ( traditional POSIX style ) 
+         * or both ( --width, -w )
+         *
+         * the options can be common to the commandline and 
+         * the optionfile, or can belong only to either of 
+         * commandline and optionfile
+         *
+         * following set methods, handle all the aboove 
+         * cases of options.
+         */
+
+        /* options comman to command line and option file */
+        void setOption( const char *opt_string );
+        void setOption( char  opt_char );
+        void setOption( const char *opt_string , char opt_char );
+        void setFlag( const char *opt_string );
+        void setFlag( char  opt_char );
+        void setFlag( const char *opt_string , char opt_char );
+
+        /* options read from commandline only */
+        void setCommandOption( const char *opt_string );
+        void setCommandOption( char  opt_char );
+        void setCommandOption( const char *opt_string , char opt_char );
+        void setCommandFlag( const char *opt_string );
+        void setCommandFlag( char  opt_char );
+        void setCommandFlag( const char *opt_string , char opt_char );
+
+        /* options read from an option file only  */
+        void setFileOption( const char *opt_string );
+        void setFileOption( char  opt_char );
+        void setFileOption( const char *opt_string , char opt_char );
+        void setFileFlag( const char *opt_string );
+        void setFileFlag( char  opt_char );
+        void setFileFlag( const char *opt_string , char opt_char );
+
+        /*
+         * process the options, registerd using 
+         * useCommandArgs() and useFileName();
+         */
+        void processOptions();  
+        void processCommandArgs();
+        void processCommandArgs( int max_args );
+        bool processFile();
+
+        /*
+         * process the specified options 
+         */
+        void processCommandArgs( int _argc, char **_argv );
+        void processCommandArgs( int _argc, char **_argv, int max_args );
+        bool processFile( const char *_filename );
+        
+        /*
+         * get the value of the options 
+         * will return NULL if no value is set 
+         */
+        char *getValue( const char *_option );
+        bool  getFlag( const char *_option );
+        char *getValue( char _optchar );
+        bool  getFlag( char _optchar );
+
+        /*
+         * Print Usage
+         */
+        void printUsage();
+        void printAutoUsage();
+        void addUsage( const char *line );
+        void printHelp();
+        /* print auto usage printing for unknown options or flag */
+        void autoUsagePrint(bool flag);
+        
+        /* 
+         * get the argument count and arguments sans the options
+         */
+        int   getArgc();
+        char* getArgv( int index );
+        bool  hasOptions();
+
+private: /* the hidden data structure */
+        int argc;               /* commandline arg count  */
+        char **argv;            /* commndline args */
+        const char* filename;   /* the option file */
+        char* appname;  /* the application name from argv[0] */
+
+        int *new_argv;          /* arguments sans options (index to argv) */
+        int new_argc;           /* argument count sans the options */
+        int max_legal_args;     /* ignore extra arguments */
+
+
+        /* option strings storage + indexing */
+        int max_options;        /* maximum number of options */
+        const char **options;   /* storage */
+        int *optiontype;        /* type - common, command, file */
+        int *optionindex;       /* index into value storage */
+        int option_counter;     /* counter for added options  */
+
+        /* option chars storage + indexing */
+        int max_char_options;   /* maximum number options */
+        char *optionchars;      /*  storage */
+        int *optchartype;       /* type - common, command, file */
+        int *optcharindex;      /* index into value storage */
+        int optchar_counter;    /* counter for added options  */
+
+        /* values */
+        char **values;          /* common value storage */
+        int g_value_counter;    /* globally updated value index LAME! */
+
+        /* help and usage */
+        const char **usage;     /* usage */
+        int max_usage_lines;    /* max usage lines reseverd */
+        int usage_lines;        /* number of usage lines */
+
+        bool command_set;       /* if argc/argv were provided */
+        bool file_set;          /* if a filename was provided */
+        bool mem_allocated;     /* if memory allocated in init() */
+        bool posix_style;       /* enables to turn off POSIX style options */
+        bool verbose;           /* silent|verbose */
+        bool print_usage;       /* usage verbose */
+        bool print_help;        /* help verbose */
+        
+        char opt_prefix_char;           /*  '-' in "-w" */
+        char long_opt_prefix[MAX_LONG_PREFIX_LENGTH]; /* '--' in "--width" */
+        char file_delimiter_char;       /* ':' in width : 100 */
+        char file_comment_char;         /*  '#' in "#this is a comment" */
+        char equalsign;
+        char comment;
+        char delimiter;
+        char endofline;
+        char whitespace;
+        char nullterminate;
+
+        bool set;   //was static member
+        bool once;  //was static member
+        
+        bool hasoptions;
+        bool autousage;
+
+private: /* the hidden utils */
+        void init();    
+        void init(int maxopt, int maxcharopt ); 
+        bool alloc();
+        void cleanup();
+        bool valueStoreOK();
+
+        /* grow storage arrays as required */
+        bool doubleOptStorage();
+        bool doubleCharStorage();
+        bool doubleUsageStorage();
+
+        bool setValue( const char *option , char *value );
+        bool setFlagOn( const char *option );
+        bool setValue( char optchar , char *value);
+        bool setFlagOn( char optchar );
+
+        void addOption( const char* option , int type );
+        void addOption( char optchar , int type );
+        void addOptionError( const char *opt);
+        void addOptionError( char opt);
+        bool findFlag( char* value );
+        void addUsageError( const char *line );
+        bool CommandSet();
+        bool FileSet();
+        bool POSIX();
+
+        char parsePOSIX( char* arg );
+        int parseGNU( char *arg );
+        bool matchChar( char c );
+        int matchOpt( char *opt );
+
+        /* dot file methods */
+        char *readFile();
+        char *readFile( const char* fname );
+        bool consumeFile( char *buffer );
+        void processLine( char *theline, int length );
+        char *chomp( char *str );
+        void valuePairs( char *type, char *value ); 
+        void justValue( char *value );
+
+        void printVerbose( const char *msg );
+        void printVerbose( char *msg );
+        void printVerbose( char ch );
+        void printVerbose( );
+
+
+};
+
+#endif /* ! _ANYOPTION_H */