rule '.rb' => '.rl' do |task| sh "ragel -F1 -R #{task.source} -o #{task.name}" end rule '.c' => ['.rl', 'ext/ragel/base_lexer.rl'] do |task| sh "ragel -I ext/ragel -C -G2 #{task.source} -o #{task.name}" end rule '.java' => ['.rl', 'ext/ragel/base_lexer.rl'] do |task| sh "ragel -I ext/ragel -J #{task.source} -o #{task.name}" end desc 'Generates the lexers' multitask :lexer => [ 'ext/c/lexer.c', 'ext/java/org/liboga/xml/Lexer.java', 'lib/oga/xpath/lexer.rb', 'lib/oga/css/lexer.rb' ]