Class Haml::Exec::SassConvert
In: lib/haml/exec.rb
Parent: Generic

The `sass-convert` executable.

Methods

Public Class methods

@param args [Array<String>] The command-line arguments

[Source]

     # File lib/haml/exec.rb, line 583
583:       def initialize(args)
584:         super
585:         require 'sass'
586:         @options[:for_tree] = {}
587:         @options[:for_engine] = {:cache => false, :read_cache => true}
588:       end

Public Instance methods

Processes the options set by the command-line arguments, and runs the CSS compiler appropriately.

[Source]

     # File lib/haml/exec.rb, line 657
657:       def process_result
658:         require 'sass'
659: 
660:         if @options[:recursive]
661:           process_directory
662:           return
663:         end
664: 
665:         super
666:         input = @options[:input]
667:         raise "Error: '#{input.path}' is a directory (did you mean to use --recursive?)" if File.directory?(input)
668:         output = @options[:output]
669:         output = input if @options[:in_place]
670:         process_file(input, output)
671:       end

Tells optparse how to parse the arguments.

@param opts [OptionParser]

[Source]

     # File lib/haml/exec.rb, line 593
593:       def set_opts(opts)
594:         opts.banner = "Usage: sass-convert [options] [INPUT] [OUTPUT]\n\nDescription:\n  Converts between CSS, Sass, and SCSS files.\n  E.g. converts from SCSS to Sass,\n  or converts from CSS to SCSS (adding appropriate nesting).\n\nOptions:\n"
595: 
596:         opts.on('-F', '--from FORMAT',
597:           'The format to convert from. Can be css, scss, sass, less, or sass2.',
598:           'sass2 is the same as sass, but updates more old syntax to new.',
599:           'By default, this is inferred from the input filename.',
600:           'If there is none, defaults to css.') do |name|
601:           @options[:from] = name.downcase.to_sym
602:           unless [:css, :scss, :sass, :less, :sass2].include?(@options[:from])
603:             raise "Unknown format for sass-convert --from: #{name}"
604:           end
605:           try_less_note if @options[:from] == :less
606:         end
607: 
608:         opts.on('-T', '--to FORMAT',
609:           'The format to convert to. Can be scss or sass.',
610:           'By default, this is inferred from the output filename.',
611:           'If there is none, defaults to sass.') do |name|
612:           @options[:to] = name.downcase.to_sym
613:           unless [:scss, :sass].include?(@options[:to])
614:             raise "Unknown format for sass-convert --to: #{name}"
615:           end
616:         end
617: 
618:         opts.on('-R', '--recursive',
619:           'Convert all the files in a directory. Requires --from and --to.') do
620:           @options[:recursive] = true
621:         end
622: 
623:         opts.on('-i', '--in-place',
624:           'Convert a file to its own syntax.',
625:           'This can be used to update some deprecated syntax.') do
626:           @options[:in_place] = true
627:         end
628: 
629:         opts.on('--dasherize', 'Convert underscores to dashes') do
630:           @options[:for_tree][:dasherize] = true
631:         end
632: 
633:         opts.on('--old', 'Output the old-style ":prop val" property syntax.',
634:                          'Only meaningful when generating Sass.') do
635:           @options[:for_tree][:old] = true
636:         end
637: 
638:         opts.on('-C', '--no-cache', "Don't cache to sassc files.") do
639:           @options[:for_engine][:read_cache] = false
640:         end
641: 
642:         super
643:       end

[Validate]