# File lib/haml/exec.rb, line 492
492:       def initialize(args)
493:         super
494:         @name = "Haml"
495:         @options[:requires] = []
496:         @options[:load_paths] = []
497:       end

     # File lib/haml/exec.rb, line 548
548:       def process_result
549:         super
550:         input = @options[:input]
551:         output = @options[:output]
552: 
553:         template = input.read()
554:         input.close() if input.is_a? File
555: 
556:         begin
557:           engine = ::Haml::Engine.new(template, @options[:for_engine])
558:           if @options[:check_syntax]
559:             puts "Syntax OK"
560:             return
561:           end
562: 
563:           @options[:load_paths].each {|p| $LOAD_PATH << p}
564:           @options[:requires].each {|f| require f}
565: 
566:           if @options[:debug]
567:             puts engine.precompiled
568:             puts '=' * 100
569:           end
570: 
571:           result = engine.to_html
572:         rescue Exception => e
573:           raise e if @options[:trace]
574: 
575:           case e
576:           when ::Haml::SyntaxError; raise "Syntax error on line #{get_line e}: #{e.message}"
577:           when ::Haml::Error;       raise "Haml error on line #{get_line e}: #{e.message}"
578:           else raise "Exception on line #{get_line e}: #{e.message}\n  Use --trace for backtrace."
579:           end
580:         end
581: 
582:         output.write(result)
583:         output.close() if output.is_a? File
584:       end

     # File lib/haml/exec.rb, line 502
502:       def set_opts(opts)
503:         super
504: 
505:         opts.on('-t', '--style NAME',
506:                 'Output style. Can be indented (default) or ugly.') do |name|
507:           @options[:for_engine][:ugly] = true if name.to_sym == :ugly
508:         end
509: 
510:         opts.on('-f', '--format NAME',
511:                 'Output format. Can be xhtml (default), html4, or html5.') do |name|
512:           @options[:for_engine][:format] = name.to_sym
513:         end
514: 
515:         opts.on('-e', '--escape-html',
516:                 'Escape HTML characters (like ampersands and angle brackets) by default.') do
517:           @options[:for_engine][:escape_html] = true
518:         end
519: 
520:         opts.on('-q', '--double-quote-attributes',
521:                 'Set attribute wrapper to double-quotes (default is single).') do
522:           @options[:for_engine][:attr_wrapper] = '"'
523:         end
524: 
525:         opts.on('-r', '--require FILE', "Same as 'ruby -r'.") do |file|
526:           @options[:requires] << file
527:         end
528: 
529:         opts.on('-I', '--load-path PATH', "Same as 'ruby -I'.") do |path|
530:           @options[:load_paths] << path
531:         end
532: 
533:         unless ::Haml::Util.ruby1_8?
534:           opts.on('-E ex[:in]', 'Specify the default external and internal character encodings.') do |encoding|
535:             external, internal = encoding.split(':')
536:             Encoding.default_external = external if external && !external.empty?
537:             Encoding.default_internal = internal if internal && !internal.empty?
538:           end
539:         end
540: 
541:         opts.on('--debug', "Print out the precompiled Ruby source.") do
542:           @options[:debug] = true
543:         end
544:       end