Sha256: e02a83962866b36c016fe653e18631a07710eb573018f6028cccd17d13d5b147
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Contents
# Copyright 2012 Twitter, Inc
# http://www.apache.org/licenses/LICENSE-2.0
class TwitterCldr.CharacterClass extends TwitterCldr.Component
constructor : (@root) ->
@type = "character_class"
@grouping_pairs = TwitterCldr.CharacterClass.grouping_pairs
super
@grouping_pairs = {
"close_bracket" : "open_bracket"
}
@opening_types : ->
(value for key, value of @grouping_pairs)
@closing_types : ->
(key for key, value of @grouping_pairs)
@opening_type_for : (type) ->
if @grouping_pairs[type]? then @grouping_pairs[type] else null
to_regexp_str : ->
@set_to_regex(@to_set())
to_set : ->
@evaluate(@root)
evaluate : (node) ->
if node instanceof TwitterCldr.CharacterClass.UnaryOperator or node instanceof TwitterCldr.CharacterClass.BinaryOperator
switch node.operator
when "negate"
TwitterCldr.UnicodeRegex.get_valid_regexp_chars().subtract(@evaluate(node.child))
when "union", "pipe"
@evaluate(node.left).union(@evaluate(node.right))
when "dash"
@evaluate(node.left).difference(@evaluate(node.right))
when "ampersand"
@evaluate(node.left).intersection(@evaluate(node.right))
else
if node?
node.to_set()
else
new TwitterCldr.RangeSet([])
class @.BinaryOperator
constructor : (@operator, @left, @right) ->
class @.UnaryOperator
constructor : (@operator, @child) ->
Version data entries
4 entries across 4 versions & 1 rubygems