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path: root/Master/texmf-dist/source/generic/hyph-utf8/generate-tl-files.rb
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#!/usr/bin/env ruby

load 'languages.rb'

# this file auto-generates loaders for hyphenation patterns - to be improved

$package_name="hyph-utf8"

# TODO - make this a bit less hard-coded
$path_tex_generic="../../../tex/generic"
$path_TL="../../../../TL"
$path_language_dat="#{$path_TL}/texmf/tex/generic/config"
# hyphen-foo.tlpsrc for TeX Live
$path_tlpsrc="#{$path_TL}/tlpkg/tlpsrc"

$l = Languages.new
# TODO: should be singleton
languages = $l.list.sort{|a,b| a.name <=> b.name}

language_grouping = {
	'norwegian' => ['nb', 'nn'],
	'german' => ['de-1901', 'de-1996', 'de-ch-1901'],
	'mongolian' => ['mn-cyrl', 'mn-cyrl-x-2a'],
	'greek' => ['el-monoton', 'el-polyton'],
	'ancientgreek' => ['grc', 'grc-x-ibycus'],
	'chinese' => ['zh-latn'],
	# TODO - until someone tells what to do
	#'serbian' => ['sr-latn', 'sr-cyrl'],
	'serbian' => ['sr-latn'],
}

language_used_in_group = Hash.new
language_grouping.each_value do |group|
	group.each do |code|
		language_used_in_group[code] = true
	end
end

# a hash with language name as key and array of languages as the value
language_groups = Hash.new
# single languages first
languages.each do |language|
	# temporary remove cyrilic serbian until someone explains what is needed
	if language.code == 'sr-cyrl' then
		languages.delete(language)
	elsif language_used_in_group[language.code] == nil then
		language_groups[language.name] = [language]
	end
end
# then groups of languages
language_grouping.each do |name,group|
	language_groups[name] = []
	group.each do |code|
		language_groups[name].push($l[code])
	end
end

# languages.each do |language|
# 	if language.hyphenmin == nil then
# 		lmin = ''
# 		rmin = ''
# 	else
# 		lmin = language.hyphenmin[0]
# 		rmin = language.hyphenmin[1]
# 	end
# 	puts "#{language.name}: #{lmin} #{rmin}"
# end

#--------#
# TLPSRC #
#--------#
language_groups.sort.each do |language_name,language_list|
	$file_tlpsrc = File.open("#{$path_tlpsrc}/hyphen-#{language_name}.tlpsrc", 'w')
	puts "generating #{$path_tlpsrc}/hyphen-#{language_name}.tlpsrc"
	
	$file_tlpsrc.puts "name hyphen-#{language_name}"
	$file_tlpsrc.puts "category TLCore"
	
	# external dependencies for Russian and Ukrainian (until we implement the new functionality at least)
	if language_name == "russian" then
		$file_tlpsrc.puts "depend ruhyphen"
	elsif language_name == "ukrainian" then
		$file_tlpsrc.puts "depend ukrhyph"
	end
	language_list.each do |language|
		name = " name=#{language.name}"

		# synonyms
		if language.synonyms != nil and language.synonyms.length > 0 then
			synonyms=" synonyms=#{language.synonyms.join(',')}"
		else
			synonyms=""
		end
		# lefthyphenmin/righthyphenmin
		if language.hyphenmin == nil or language.hyphenmin.length == 0 then
			lmin = ''
			rmin = ''
		elsif language.filename_old_patterns == "zerohyph.tex" then
			lmin = ''
			rmin = ''
		else
			lmin = language.hyphenmin[0]
			rmin = language.hyphenmin[1]
		end
		hyphenmins = " lefthyphenmin=#{lmin} righthyphenmin=#{rmin}"
		# which file to use
		if language.use_new_loader then
			file = " file=loadhyph-#{language.code}.tex"
		else
			file = " file=#{language.filename_old_patterns}"
		end

		$file_tlpsrc.puts "execute AddHyphen#{name}#{synonyms}#{hyphenmins}#{file}"
	end
	if language_name != "russian" and language_name != "ukrainian" then
		language_list.each do |language|
			if language.use_old_patterns and language.filename_old_patterns != "zerohyph.tex" then
				$file_tlpsrc.puts "runpattern f texmf/tex/generic/hyphen/#{language.filename_old_patterns}"
			end
		end
	end
	if language_name == "greek" then
		$file_tlpsrc.puts "docpattern d texmf/doc/generic/elhyphen"
	elsif language_name == "hungarian" then
		$file_tlpsrc.puts "docpattern d texmf/doc/generic/huhyphen"
	elsif language_name == "german" then
		$file_tlpsrc.puts "runpattern f texmf/tex/generic/hyphen/dehyphtex.tex"
		$file_tlpsrc.puts "runpattern f texmf/tex/generic/hyphen/ghyphen.README"
	end
	$file_tlpsrc.close
end

#--------------#
# language.dat #
#--------------#
$file_language_dat = File.open("#{$path_language_dat}/language.dat", "w")
language_groups.sort.each do |language_name,language_list|
	language_list.each do |language|
		if language.use_new_loader then
			$file_language_dat.puts "#{language.name}\tloadhyph-#{language.code}.tex"
		else
			$file_language_dat.puts "#{language.name}\t#{language.filename_old_patterns}"
		end

		# synonyms
		if language.synonyms != nil then
			language.synonyms.each do |synonym|
				$file_language_dat.puts "=#{synonym}"
			end
		end
	end
end
$file_language_dat.close