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#!/usr/bin/env ruby
require "rexml/document"
def expand_ref(str)
REXML::Text.unnormalize(str)
end
def expand_ext_ref(str, table)
str.gsub(/%([^\s;]+);/) do |x|
if table.has_key?($1)
expand_ref(table[$1])
else
p table
raise $1
end
end
end
external_params = {}
entities = {}
ARGF.each do |line|
case line
when /^<!ENTITY\s+%\s+(\w+)\s+"(\S+)"\s*>/
# p ["%", $1, $2]
external_params[$1] = expand_ref($2)
when /^<!ENTITY\s+(\w+)\s+"(\S+)"\s*>\s*<!--\s*(.+)\s*-->/
key = $1
comment = $3.strip
value = expand_ext_ref($2.gsub(/&/, '&'), external_params)
next if entities.key?(key)
entities[key] = {
:value => value,
:comment => comment,
}
end
end
File.open(File.join(*%W(lib rabbit parser ext entity)) + ".rb", "w") do |out|
out.print <<-HEADER
require 'rabbit/element'
module Rabbit
module Parser
module Ext
module Entity
TABLE = {
HEADER
entities.keys.sort.each do |key|
attributes = entities[key]
value = attributes[:value]
comment = attributes[:comment]
out.puts(" # #{comment}") unless comment.empty?
out.puts(" #{key.dump} => #{value.dump},")
end
out.print <<-FOOTER
}
end
end
end
end
FOOTER
end
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