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#!/usr/bin/env ruby
# this file auto-generates loaders for hyphenation patterns - to be improved
load 'languages.rb'
$package_name="hyph-utf8"
# TODO - make this a bit less hard-coded
$path_tex_generic=File.expand_path("../../../tex/generic")
$path_loadhyph="#{$path_tex_generic}/#{$package_name}/loadhyph"
# TODO: should be singleton
languages = Languages.new.list
#text_if_native_utf = "\input pattern-loader.tex\n\\ifNativeUtfEightPatterns"
languages.each do |language|
string_enc = (language.encoding == nil) ? "" : language.encoding.upcase + " "
################
# Header texts #
################
# a message about auto-generation
# TODO: write a more comprehensive one
text_header =
"% filename: loadhyph-#{language.code}.tex
% language: #{language.name}
%
% Loader for hyphenation patterns, generated by
% source/generic/hyph-utf8/generate-pattern-loaders.rb
% See also http://tug.org/tex-hyphen
%
% Copyright 2008-2011 TeX Users Group.
% You may freely use, modify and/or distribute this file.
% (But consider adapting the scripts if you need modifications.)
%
% Once it turns out that more than a simple definition is needed,
% these lines may be moved to a separate file.
%"
text_if_native_utf =
'% Test for pTeX
\\ifx\\kanjiskip\\undefined
% Test for native UTF-8 (which gets only a single argument)
% That\'s Tau (as in Taco or ΤΕΧ, Tau-Epsilon-Chi), a 2-byte UTF-8 character
\\def\\testengine#1#2!{\\def\\secondarg{#2}}\\testengine Τ!\\relax
\\ifx\\secondarg\\empty'
comment_engine_utf8 = "% Unicode-aware engine (such as XeTeX or LuaTeX) only sees a single (2-byte) argument"
comment_engine_8bit = "% 8-bit engine (such as TeX or pdfTeX)"
comment_engine_ptex = "% pTeX"
text_engine_ascii = ["% ASCII patterns - no additional support is needed",
"\\message{ASCII #{language.message}}",
"\\input hyph-#{language.code}.tex"]
text_engine_utf8 = [" #{comment_engine_utf8}",
" \\message{UTF-8 #{language.message}}"]
text_engine_8bit = [" #{comment_engine_8bit}",
" \\message{#{string_enc}#{language.message}}"]
text_engine_ptex = [" #{comment_engine_ptex}",
" \\message{#{string_enc}#{language.message}}"]
text_engine_8bit_no = [" #{comment_engine_8bit}",
" \\message{No #{language.message} - only for Unicode engines}",
" %\\input zerohyph.tex"]
text_engine_ptex_no = [" #{comment_engine_ptex}",
" \\message{No #{language.message} - only for Unicode engines}",
" %\\input zerohyph.tex"]
text_patterns = " \\input hyph-#{language.code}.tex"
text_patterns_ptex = " \\input hyph-#{language.code}.#{language.encoding}.tex"
text_patterns_old = " \\input #{language.filename_old_patterns}"
text_patterns_conv = " \\input conv-utf8-#{language.encoding}.tex"
text_patterns_utf8 = text_patterns
text_patterns_quote = " \\input hyph-quote-#{language.code}.tex"
###########
# lccodes #
###########
lccodes_common = []
if language.code == 'af' or language.code == 'it' or language.code == 'rm' or language.code == 'fur' or language.code == 'fr' or language.code == 'uk' or language.code == 'zh-latn-pinyin' then
lccodes_common.push("\\lccode`\\'=`\\'")
end
if language.code == 'af' or language.code == 'pt' or language.code == 'tk' or language.code == 'ru' or language.code == 'uk' then
lccodes_common.push("\\lccode`\\-=`\\-")
end
if language.code == 'sh-latn' or language.code == 'sh-cyrl' then
text_patterns_utf8 = [" \\input hyph-sh-latn.tex",
" \\input hyph-sh-cyrl.tex"]
text_engine_utf8 = [" #{comment_engine_utf8}",
" \\message{UTF-8 Serbian hyphenation patterns}",
" % We load both scripts at the same time to simplify usage"]
end
if language.use_new_loader then
if language.code == 'sh-latn' then
filename = "#{$path_loadhyph}/loadhyph-sr-latn.tex"
elsif language.code == 'sh-cyrl' then
filename = "#{$path_loadhyph}/loadhyph-sr-cyrl.tex"
else
filename = "#{$path_loadhyph}/loadhyph-#{language.code}.tex"
end
puts "generating '#{filename}'"
File.open(filename, "w") do |file|
file.puts text_header
file.puts('\begingroup')
if lccodes_common.length > 0 then
file.puts lccodes_common.join("\n")
end
########################################
# GROUP nr. 1 - ONLY USABLE WITH UTF-8 #
########################################
# some special cases firs
#
# some languages (sanskrit) are useless in 8-bit engines; we only want to load them for UTF engines
# TODO - maybe consider doing something similar for ibycus
if ['sa','as','bn','gu','hi','hy','kn','lo','mul-ethi','ml','mr','or','pa','ta','te'].include?(language.code) then
file.puts(text_if_native_utf)
file.puts(text_engine_utf8)
# lccodes
if language.code == 'mul-ethi' then
file.puts(' % Set \lccode for Ethiopian word space.')
file.puts(' \lccode"1361="1361')
file.puts(' \lccode"1362="1362')
elsif language.code != 'lo' then
file.puts(' % Set \lccode for ZWNJ and ZWJ.')
file.puts(' \lccode"200C="200C')
file.puts(' \lccode"200D="200D')
if language.code == 'sa' then
file.puts(' % Set \lccode for KANNADA SIGN JIHVAMULIYA and KANNADA SIGN UPADHMANIYA.')
file.puts(' \lccode"0CF1="0CF1')
file.puts(' \lccode"0CF2="0CF2')
end
end
file.puts(text_patterns)
file.puts('\else')
file.puts(text_engine_8bit_no)
file.puts('\fi\else')
file.puts(text_engine_ptex_no)
file.puts('\fi')
#######################
# GROUP nr. 2 - ASCII #
#######################
elsif language.code == 'it' or language.code == 'rm' then
file.puts(text_if_native_utf)
file.puts(text_engine_utf8)
file.puts(text_patterns)
file.puts(text_patterns_quote)
file.puts('\else')
file.puts(text_engine_8bit)
file.puts(text_patterns)
file.puts('\fi\else')
file.puts(text_engine_ptex)
file.puts(text_patterns)
file.puts('\fi')
# for ASCII encoding, we don't load any special support files, but simply load everything
elsif language.encoding == 'ascii' then
file.puts(text_engine_ascii)
####################################
# GROUP nr. 3 - different patterns #
####################################
# when lanugage uses old patterns for 8-bit engines, load two different patterns rather than using the converter
elsif language.use_old_patterns then
file.puts(text_if_native_utf)
file.puts(text_engine_utf8)
# some catcodes for XeTeX
if language.code == 'grc' or language.code.slice(0,2) == 'el' then
file.puts(" \\lccode`'=`'\\lccode`’=`’\\lccode`ʼ=`ʼ\\lccode`᾽=`᾽\\lccode`᾿=`᾿")
end
file.puts(text_patterns)
if language.code == 'uk' then
file.puts(text_patterns_quote)
end
file.puts('\else')
file.puts(text_engine_8bit)
# explain why we are still using the old patterns
if language.use_old_patterns_comment != nil then
file.puts(" % #{language.use_old_patterns_comment}")
else
puts "Missing comment for #{language.name}"
file.puts(' % we still load old patterns for 8-bit TeX')
end
file.puts(text_patterns_old)
file.puts('\fi\else')
file.puts(text_engine_ptex)
# greek, coptic
if language.encoding == nil then
file.puts(text_patterns_old)
else
file.puts(text_patterns_ptex)
end
file.puts('\fi')
#########################
# GROUP nr. 4 - regular #
#########################
else
file.puts(text_if_native_utf)
file.puts(text_engine_utf8)
file.puts(text_patterns_utf8)
if language.code == 'af' or language.code == 'fr' or language.code == 'fur' or language.code == 'uk' or language.code == 'zh-latn-pinyin' then
file.puts(text_patterns_quote)
end
file.puts('\else')
file.puts(text_engine_8bit)
file.puts(text_patterns_conv)
file.puts(text_patterns)
file.puts('\fi\else')
file.puts(text_engine_ptex)
file.puts(text_patterns_ptex)
file.puts('\fi')
end
#######
# end #
#######
file.puts('\endgroup')
end
end
end
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