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Versions: 4
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Contents
# Copyright 2012 Twitter, Inc
# http://www.apache.org/licenses/LICENSE-2.0
class TwitterCldr.Component
to_utf8 : (codepoints) ->
unless codepoints instanceof Array
codepoints = [codepoints]
(@to_hex(cp) for cp in codepoints)
to_hex : (codepoint) ->
if (codepoint >= 0 and codepoint <= 0xD7FF or codepoint >= 0xE000 and codepoint <= 0xFFFF)
return @to_escaped_hex(codepoint)
else if (codepoint >= 0x10000 and codepoint <= 0x10FFFF)
codepoint -= 0x10000
first = ((0xffc00 & codepoint) >> 10) + 0xD800
second = (0x3ff & codepoint) + 0xDC00
return @to_escaped_hex(first) + '+' + @to_escaped_hex(second)
to_escaped_hex : (codepoint) ->
s = codepoint.toString(16)
s = "0000".slice(0, 4 - s.length) + s
return "\\u" + s;
range_to_regex : (range) ->
if range.first instanceof Array
@array_to_regex(range)
else
if range.size is 1
"[" + @to_utf8(range.first) + "]"
else
"[" + @to_utf8(range.first) + "-" + @to_utf8(range.last) + "]"
array_to_regex : (arr) ->
("(?:" + @to_utf8(c) + ")" for c in arr).join("")
set_to_regex : (set) ->
strs = ((@._set_element_to_regex(element)
) for element in TwitterCldr.Utilities.remove_duplicates(
set.to_array(true))
)
("(?:" + strs.join("|") + ")")
_set_element_to_regex : (element) ->
if element instanceof TwitterCldr.Range
@range_to_regex(element)
else if element instanceof Array
@array_to_regex(element)
else
@to_utf8(element)
Version data entries
4 entries across 4 versions & 1 rubygems