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 prefs    = require('./prefs')
  22 utils    = require('./utils')
  23
  24 applyMigrations = (migrations) ->
  25   for migration, index in migrations
  26     pref = "migration.#{ index }.applied"
  27     # This allows to manually choose migrations to apply. Be careful, though,
  28     # since some migrations might have to run in order!
  29     unless prefs.has(pref) and prefs.get(pref)
  30       migration()
  31       prefs.set(pref, true)
  32   return
  33
  34 commaSeparatedList = /.[^,]*,?/g
  35
  36 commaSeparatedListItem = ///^
  37   (?:
  38     (?: (Shift) | ([acm])+ )
  39     -
  40   )?
  41   (.+?)
  42   ,?
  43 $///
  44
  45 convertKey = (keyStr) ->
  46   return keyStr.match(commaSeparatedList).map((part) ->
  47     [match, shift, modifiers, key] = part.match(commaSeparatedListItem)
  48     modifiers ?= ''
  49     return notation.stringify({
  50       key
  51       shiftKey: Boolean(shift)
  52       altKey:   'a' in modifiers
  53       ctrlKey:  'c' in modifiers
  54       metaKey:  'm' in modifiers
  55     })
  56   )
  57
  58 convertPattern = (pattern) ->
  59   return utils.regexpEscape(pattern)
  60     .replace(/\\\*/g, '.*')
  61     .replace(/!/g,    '.')
  62     .replace(/\s+/g,  '\\s+')
  63
  64 splitListString = (str) ->
  65   return str.split(/\s*,[\s,]*/)
  66
  67 module.exports = {
  68   applyMigrations
  69   convertKey
  70   convertPattern
  71   splitListString
  72 }