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#!/usr/bin/env ruby
require_relative 'hyph-utf8'
require_relative 'lib/tex/hyphen'
require_relative 'lib/tex/hyphen/texlive'
include TeX::Hyphen
include TeXLive
# this file generates patterns for pTeX out of the plain ones
# load encodings
encodings_list = ["ascii", "ec", "qx", "t2a", "lmc", "il2", "il3", "l7x", "t8m", "lth"]
encodings = Hash.new
encodings_list.each do |encoding_name|
encodings[encoding_name] = HyphEncoding.new(encoding_name)
end
header = <<-HEADER
%% pTeX-friendly hyphenation patterns
%%
%% language: %s (%s)
%% encoding: %s
%%
%% This file has been auto-generated from hyph-%s.tex
%% with a script [texmf]/scripts/generic/hyph-utf8/generate-ptex-patterns.rb
%% See the original file for details about author, licence etc.
%%
HEADER
print 'Generating pTeX patterns for (skipped # reason): '
Language.all.sort.each do |language|
if language.use_old_patterns_comment || !language.encoding || language.encoding == 'ascii'
if language.use_old_patterns_comment
reason = 'legacy patterns'
else
reason = sprintf 'encoding: %s', language.encoding.inspect
end
print '(', language.bcp47, ' # ', reason, ') '
next
else
encoding = encodings[language.encoding]
end
bcp47 = language.bcp47
print bcp47, ' '
File.open(File.join(PATH::PTEX, sprintf('hyph-%s.%s.tex', bcp47, language.encoding)), 'w') do |file_ptex|
patterns = language.patterns
exceptions = language.exceptions
characters = patterns.join('').gsub(/[.0-9]/,'').unpack('U*').sort.uniq
if language.encoding != 'ascii' then
patterns = encoding.convert_to_escaped_characters(patterns)
exceptions = encoding.convert_to_escaped_characters(exceptions)
end
file_ptex.printf(header, language.babelname, language.bcp47, language.encoding, language.bcp47)
file_ptex.puts("\\bgroup")
# setting lccodes for letters
characters.each do |c|
if (c == 0x01FD or c == 0x0301) and language.bcp47 == 'la-x-liturgic'
# skip
elsif c >= 128 then
code = encoding.unicode_characters[c].code_enc
file_ptex.printf("\\lccode\"%02X=\"%02X\n", code, code)
end
end
# patterns
if patterns.length > 0 then
file_ptex.puts("\\patterns{\n#{patterns.join("\n")}\n}")
end
# exceptions
if exceptions.length > 0 then
file_ptex.puts("\\hyphenation{\n#{exceptions.join("\n")}\n}")
end
file_ptex.puts("\\egroup")
end
end
puts
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