Command Line Program uses and Apache Commons CLI to parse command line. Command line has structure like:

[global-options] [cmdName [command-options]] [cmdName [command-options]] ..

Global options are before commands. There may be one or more commands and each command can have options.

Download grammar file and see also the User/Developer Guide for graphical representation of the grammar.

Command Line Grammar

/*

Grammar for command line parsing in 

Softabar Command Line Program



http://softabar.com/home/command-line-program-platform/



*/

grammar CommandLine



commandline:  

  (commandlineWithGlobalOptions | commandlineWithoutGlobalOptions)

  EOF

  ;



commandlineWithGlobalOptions:

    (option*

     (WSPACE+ command)*)

     WSPACE*

     ;



commandlineWithoutGlobalOptions:    

     (WSPACE* command (WSPACE+ command)*)

     WSPACE*

     ;



command:

     name option*

    ;



option:

    WSPACE* HYPHEN HYPHEN? name (EQUALS WSPACE* (value | qvalue |sqvalue)  (WSPACE* COMMA WSPACE* (value|qvalue | sqvalue) )* )? 

    ;



name:

    NAME+ 

    ;



value:

    (NAME | VALUECHARS )+

    ;



qvalue:

    DQUOTE  

    (SLASH {qvalueString.append($SLASH.text);}

    | NAME  {qvalueString.append($NAME.text);}

    | VALUECHARS {qvalueString.append($VALUECHARS.text);}

    | COMMA {qvalueString.append(',');}

    | WSPACE {qvalueString.append($WSPACE.text);}

    | HYPHEN {qvalueString.append($HYPHEN.text);}

    | EQUALS {qvalueString.append('=');}

    | NULL {qvalueString.append(0x00);}

    | ASCII_CONTROLCHARS {qvalueString.append($ASCII_CONTROLCHARS.text);}

    | SQUOTE {qvalueString.append("'");}

    | DQUOTE {qvalueString.append('"');} DQUOTE {qvalueString.append('"');}

    | UTF_VALUECHARS {qvalueString.append($UTF_VALUECHARS.text);}

    | EXTRASCII_VALUECHARS {qvalueString.append($EXTRASCII_VALUECHARS.text);})*

    DQUOTE 

    ;



sqvalue:

    SQUOTE  

    (SLASH {qvalueString.append($SLASH.text);}

    | NAME  {qvalueString.append($NAME.text);}

    | VALUECHARS {qvalueString.append($VALUECHARS.text);}

    | COMMA {qvalueString.append(',');}

    | WSPACE {qvalueString.append($WSPACE.text);}

    | HYPHEN {qvalueString.append($HYPHEN.text);}

    | EQUALS {qvalueString.append('=');}

    | NULL {qvalueString.append(0x00);}

    | ASCII_CONTROLCHARS {qvalueString.append($ASCII_CONTROLCHARS.text);}

    | DQUOTE {qvalueString.append('"');}

    | SQUOTE {qvalueString.append("'");} SQUOTE {qvalueString.append("'");}

    | UTF_VALUECHARS {qvalueString.append($UTF_VALUECHARS.text);}

    | EXTRASCII_VALUECHARS {qvalueString.append($EXTRASCII_VALUECHARS.text);})*

    SQUOTE 

    ;



NAME:

      ('a'..'z'|'A'..'Z'|'0'..'9'|'_')+

      ;



SLASH:

  '\u002f' 

  ;



VALUECHARS:  

   ('\u0021' | '\u0023'..'\u0026' |'\u0028'..'\u002b' | '\u002e' | '\u003a'..'\u003c' |'\u003e'..'\u0040'|'\u005b'..'\u005e'|'\u0060'|'\u007b'..'\u007e' )+

  ;



EXTRASCII_VALUECHARS:

  ( '\u0080'..'\u00ff')+

  ;



UTF_VALUECHARS:

  ( '\u0100'..'\uffff')+

  ;



ASCII_CONTROLCHARS:

  //Control chars except 0x01 that is used as separator in command line option values

   ( '\u0002'..'\u001f')+

  ;



WSPACE:

  (' ' |'\t')    

  ;



EQUALS:  

   '\u003d'

      ;



HYPHEN:  

  '\u002d'

      ;



COMMA:

  '\u002c'

      ;



NULL:

  '\u0000'

      ;



SQUOTE:  

  '\u0027'

  ;



DQUOTE:

  '\u0022'

  ;