Sha256: d861eabfdf6f062fbd880720c0cc89635905cdbd413cb07c2261d4750cbbfee7
Contents?: true
Size: 1018 Bytes
Versions: 51
Compression:
Stored size: 1018 Bytes
Contents
# encoding: UTF-8
# Copyright 2012 Twitter, Inc
# http://www.apache.org/licenses/LICENSE-2.0
module TwitterCldr
module Parsers
class UnicodeRegexParser
class Component
protected
def to_utf8(codepoints)
Array(codepoints).map { |cp| "\\u{#{cp.to_s(16).rjust(4, "0")}}"}.join
end
def range_to_regex(range)
if range.first.is_a?(Array)
array_to_regex(range)
else
"[#{to_utf8(range.first)}-#{to_utf8(range.last)}]"
end
end
def array_to_regex(arr)
arr.map { |elem| "(?:#{to_utf8(elem)})" }.join
end
def set_to_regex(set)
strs = set.to_a(true).uniq.map do |obj|
case obj
when Range
range_to_regex(obj)
when Array
array_to_regex(obj)
else
to_utf8(obj)
end
end
"(?:#{strs.join("|")})"
end
end
end
end
end
Version data entries
51 entries across 51 versions & 3 rubygems