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# -*- encoding: utf-8 -*-
require "unicode_utils/read_cdata"
module UnicodeUtils
EAST_ASIAN_WIDTH_MAP_PER_CP =
Impl.read_east_asian_width_per_cp("east_asian_width_property_per_cp") # :nodoc:
EAST_ASIAN_WIDTH_RANGES =
Impl.read_east_asian_width_ranges("east_asian_width_property_ranges") # :nodoc:
# Returns the default with of the given code point as described in
# "UAX #11: East Asian Width" (http://unicode.org/reports/tr11/).
#
# Each code point is mapped to one of the following six symbols:
# :Neutral, :Ambiguous, :Halfwidth, :Wide, :Fullwidth, :Narrow.
def east_asian_width(char)
cp = char.ord
EAST_ASIAN_WIDTH_RANGES.each { |pair|
return pair[1] if pair[0].cover?(cp)
}
EAST_ASIAN_WIDTH_MAP_PER_CP[cp]
end
module_function :east_asian_width
end
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