extension/lib/legacy.coffee

   1 ###
   2 # Copyright Simon Lydell 2015.
   3 #
   4 # This file is part of VimFx.
   5 #
   6 # VimFx is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # VimFx is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with VimFx.  If not, see <http://www.gnu.org/licenses/>.
  18 ###
  19
  20 notation = require('vim-like-key-notation')
  21
  22 commaSeparatedList = /.[^,]*,?/g
  23
  24 commaSeparatedListItem = ///^
  25   (?:
  26     (?: (Shift) | ([acm])+ )
  27     -
  28   )?
  29   (.+?)
  30   ,?
  31 $///
  32
  33 convertKey = (keyStr) ->
  34   return keyStr.match(commaSeparatedList).map((part) ->
  35     [match, shift, modifiers, key] = part.match(commaSeparatedListItem)
  36     modifiers ?= ''
  37     return notation.stringify({
  38       key
  39       shiftKey: Boolean(shift)
  40       altKey:   'a' in modifiers
  41       ctrlKey:  'c' in modifiers
  42       metaKey:  'm' in modifiers
  43     })
  44   )
  45
  46 exports.convertKey = convertKey