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# encoding: UTF-8
module TeX
module Hyphen
class Converter
def self.scan_line(line)
m = line.match /^(0x\h{2})\tU\+(\h{4})(?:\t(1?)(?:\t(\w+)))?$/
return nil unless m
return m[1].to_i(16), m[2].to_i(16).chr(Encoding::UTF_8), m[3].to_i, m[4]
end
def read(conversion)
@mapping = { }
File.read(conversion).each_line do |line|
next if line =~ /^#/
eightbit, usv = Converter.scan_line line
@mapping[eightbit] = usv.chr
end
end
def convert(filename)
raise "Please define the encoding mapping first with #read" unless @mapping
doconvert = false
File.open(filename, external_encoding: Encoding::ASCII_8BIT).each_line do |line|
if line =~ /\\patterns{/
doconvert = true
next
end
doconvert = false if doconvert && line =~ /}/
if doconvert
puts (line.strip.each_byte.map do |byte|
@mapping[byte]
end || '').join
end
end
end
end
end
end
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