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Contents
# frozen_string_literal: true
require_relative "unary_function"
require_relative "../../mathml/utility"
module Plurimath
module Math
module Function
class Mglyph < UnaryFunction
include Mathml::Utility
def initialize(parameter_one = {})
super(parameter_one)
end
def to_asciimath(**)
parameter_one[:alt]
end
def to_latex(**)
parameter_one[:alt]
end
def to_mathml_without_math_tag(intent, **)
ox_element(class_name, attributes: parameter_one)
end
def to_omml_without_math_tag(_, **)
index = parameter_one[:index].to_i
r_element(
(ignoring_index(index) ? parameter_one[:alt].to_s : "&#x#{glyph_user_index(index)};"),
rpr_tag: false,
)
end
def to_unicodemath(**)
parameter_one[:alt] if parameter_one
end
def alt; end
def src; end
def index; end
def src=(value)
set_option(:src, value)
end
def alt=(value)
set_option(:alt, value)
end
def index=(value)
set_option(:index, value)
end
protected
def set_option(option, value)
return if value.nil?
parameter_one[option] = value
end
def glyph_user_index(index)
return "" unless index > 0
remaining = index.modulo(16)
hex_bits = glyph_user_index(index / 16)
hex_digit = case remaining
when 0..9 then remaining.to_s
when 10 then "A"
when 11 then "B"
when 12 then "C"
when 13 then "D"
when 14 then "E"
when 15 then "F"
end
"#{hex_bits}#{hex_digit}"
end
def ignoring_index(index)
index.zero? ||
(index < 32 && !([9, 10, 13].include?(index))) ||
[65534, 65535].include?(index)
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems