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Diffstat (limited to 'Master/texmf-dist/scripts/context/ruby/base/merge.rb')
-rw-r--r-- | Master/texmf-dist/scripts/context/ruby/base/merge.rb | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/Master/texmf-dist/scripts/context/ruby/base/merge.rb b/Master/texmf-dist/scripts/context/ruby/base/merge.rb new file mode 100644 index 00000000000..c6ea6c09e66 --- /dev/null +++ b/Master/texmf-dist/scripts/context/ruby/base/merge.rb @@ -0,0 +1,139 @@ +# module : base/merge +# copyright : PRAGMA Advanced Document Engineering +# version : 2006 +# author : Hans Hagen +# +# project : ConTeXt / eXaMpLe +# concept : Hans Hagen +# info : j.hagen@xs4all.nl +# www : www.pragma-ade.com + +# --selfmerg ewill create stand alone script (--selfcleanup does the opposite) + +# this module will package all the used modules in the file itself +# so that we can relocate the file at wish, usage: +# +# merge: +# +# unless SelfMerge::ok? && SelfMerge::merge then +# puts("merging should happen on the path were the base inserts reside") +# end +# +# cleanup: +# +# unless SelfMerge::cleanup then +# puts("merging should happen on the path were the base inserts reside") +# end + +module SelfMerge + + @@kpsemergestart = "\# kpse_merge_start" + @@kpsemergestop = "\# kpse_merge_stop" + @@kpsemergefile = "\# kpse_merge_file: " + @@kpsemergedone = "\# kpse_merge_done: " + + @@filename = File.basename($0) + @@ownpath = File.expand_path(File.dirname($0)) + @@modroot = '(base|graphics|rslb|www)' # needed in regex in order not to mess up SelfMerge + @@modules = $".collect do |file| File.expand_path(file) end + + @@modules.delete_if do |file| + file !~ /^#{@@ownpath}\/#{@@modroot}.*$/ + end + + def SelfMerge::ok? + begin + @@modules.each do |file| + return false unless FileTest.file?(file) + end + rescue + return false + else + return true + end + end + + def SelfMerge::merge + begin + if SelfMerge::ok? && rbfile = IO.read(@@filename) then + begin + inserts = "#{@@kpsemergestart}\n\n" + @@modules.each do |file| + inserts << "#{@@kpsemergefile}'#{file}'\n\n" + inserts << IO.read(file).gsub(/^#.*?\n$/,'') + inserts << "\n\n" + end + inserts << "#{@@kpsemergestop}\n\n" + # no gsub! else we end up in SelfMerge + rbfile.sub!(/#{@@kpsemergestart}\s*#{@@kpsemergestop}/mois) do + inserts + end + rbfile.gsub!(/^(.*)(require [\"\'].*?#{@@modroot}.*)$/) do + pre, post = $1, $2 + if pre =~ /#{@@kpsemergedone}/ then + "#{pre}#{post}" + else + "#{pre}#{@@kpsemergedone}#{post}" + end + end + rescue + return false + else + begin + File.open(@@filename,'w') do |f| + f << rbfile + end + rescue + return false + end + end + end + rescue + return false + else + return true + end + end + + def SelfMerge::cleanup + begin + if rbfile = IO.read(@@filename) then + begin + rbfile.sub!(/#{@@kpsemergestart}(.*)#{@@kpsemergestop}\s*/mois) do + "#{@@kpsemergestart}\n\n#{@@kpsemergestop}\n\n" + end + rbfile.gsub!(/^(.*#{@@kpsemergedone}.*)$/) do + str = $1 + if str =~ /require [\"\']/ then + str.gsub(/#{@@kpsemergedone}/, '') + else + str + end + end + rescue + return false + else + begin + File.open(@@filename,'w') do |f| + f << rbfile + end + rescue + return false + end + end + end + rescue + return false + else + return true + end + end + + def SelfMerge::replace + if SelfMerge::ok? then + SelfMerge::cleanup + SelfMerge::merge + end + end + +end |