diff options
author | Petr Mrázek <peterix@gmail.com> | 2013-12-02 00:55:24 +0100 |
---|---|---|
committer | Petr Mrázek <peterix@gmail.com> | 2013-12-02 00:55:24 +0100 |
commit | 6aa9bd0f77dcb5128167fae62e32aa5252fe85c6 (patch) | |
tree | 632994a61888929af9289927d338bd19a2b3f32c /mmc_updater/depends/AnyOption/anyoption.h | |
parent | 613699b3626aea750093ab7eaaeccaa28c0e87c6 (diff) | |
download | MultiMC-6aa9bd0f77dcb5128167fae62e32aa5252fe85c6.tar MultiMC-6aa9bd0f77dcb5128167fae62e32aa5252fe85c6.tar.gz MultiMC-6aa9bd0f77dcb5128167fae62e32aa5252fe85c6.tar.lz MultiMC-6aa9bd0f77dcb5128167fae62e32aa5252fe85c6.tar.xz MultiMC-6aa9bd0f77dcb5128167fae62e32aa5252fe85c6.zip |
Renew the updater branch
Now with some actual consensus on what the updater will do!
Diffstat (limited to 'mmc_updater/depends/AnyOption/anyoption.h')
-rw-r--r-- | mmc_updater/depends/AnyOption/anyoption.h | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/mmc_updater/depends/AnyOption/anyoption.h b/mmc_updater/depends/AnyOption/anyoption.h new file mode 100644 index 00000000..01501df2 --- /dev/null +++ b/mmc_updater/depends/AnyOption/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 + 1]; /* '--' 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 */ |