pbeckingham / task

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A command line GTD application for managing text todo lists.

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task / grammar.txt
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This is a full BNF grammar for the task command line.  It is intended that a
future release of task will incorporate a complete lexer/parser implementing
this grammar.
 
 
command:
    VERSION
  | HELP
  | PROJECTS
  | TAGS
  | SUMMARY
  | HISTORY
  | NEXT
  | CALENDAR
  | ACTIVE
  | OVERDUE
  | STATS
  | USAGE
  | OLDEST
  | NEWEST
  | EXPORT <file>
  | COLOR
  | DELETE <id>
  | UNDELETE <id>
  | INFO <id>
  | START <id>
  | DONE <id>
  | ADD [<tags>] [<attrs>] [<desc>]
  | LIST [<tags>] [<attrs>] [<desc>]
  | LONG [<tags>] [<attrs>] [<desc>]
  | LS [<tags>] [<attrs>] [<desc>]
  | COMPLETED [<tags>] [<attrs>] [<desc>]
  | <id> [<tags>] [<attrs>] [<desc>]
  | <id> <substitution>
 
id:
    \d+
  | \d{8}-\d{4}-\d{4}-\d{12}
 
tags:
    +<tag>
  | -<tag>
 
tag:
    \w+
 
attrs:
    <attr>
  | <attr> <attrs>
 
attr:
    <name>:<value>
 
name:
    \w+
 
value:
    .+
 
substitution:
    / <pattern> / <pattern> /
 
pattern:
    .+
 
file:
    ?