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# -*- encoding: utf-8 -*-
require "unicode_utils/gc"
module UnicodeUtils
GENERAL_CATEGORY_IS_GRAPHIC_MAP = {
Lu: true, Ll: true, Lt: true, Lm: true, Lo: true,
Mn: true, Mc: true, Me: true,
Nd: true, Nl: true, No: true,
Pc: true, Pd: true, Ps: true, Pe: true, Pi: true, Pf: true, Po: true,
Sm: true, Sc: true, Sk: true, So: true,
Zs: true, Zl: false, Zp: false,
Cc: false, Cf: false, Cs: false, Co: false, Cn: false
} # :nodoc:
# Returns true if the given char is a graphic char, false otherwise.
# See table 2-3 in section 2.4 of Unicode 6.0.0.
#
# Examples:
#
# require "unicode_utils/graphic_char_q"
# UnicodeUtils.graphic_char?("a") # => true
# UnicodeUtils.graphic_char?("\n") # => false
# UnicodeUtils.graphic_char?(0x0) # => false
def graphic_char?(char)
GENERAL_CATEGORY_IS_GRAPHIC_MAP[UnicodeUtils.gc(char)]
end
module_function :graphic_char?
end
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