Class | Haml::Exec::Sass |
In: |
lib/haml/exec.rb
|
Parent: | HamlSass |
The `sass` executable.
@param args [Array<String>] The command-line arguments
# File lib/haml/exec.rb, line 272 272: def initialize(args) 273: super 274: @name = "Sass" 275: @options[:for_engine][:load_paths] = ['.'] + (ENV['SASSPATH'] || '').split(File::PATH_SEPARATOR) 276: end
Processes the options set by the command-line arguments, and runs the Sass compiler appropriately.
# File lib/haml/exec.rb, line 338 338: def process_result 339: if !@options[:update] && !@options[:watch] && 340: @args.first && @args.first.include?(':') 341: if @args.size == 1 342: @args = @args.first.split(':', 2) 343: else 344: @options[:update] = true 345: end 346: end 347: 348: return interactive if @options[:interactive] 349: return watch_or_update if @options[:watch] || @options[:update] 350: super 351: 352: begin 353: input = @options[:input] 354: output = @options[:output] 355: 356: @options[:syntax] ||= :scss if input.is_a?(File) && input.path =~ /\.scss$/ 357: tree = 358: if input.is_a?(File) && !@options[:check_syntax] 359: ::Sass::Files.tree_for(input.path, @options[:for_engine]) 360: else 361: # We don't need to do any special handling of @options[:check_syntax] here, 362: # because the Sass syntax checking happens alongside evaluation 363: # and evaluation doesn't actually evaluate any code anyway. 364: ::Sass::Engine.new(input.read(), @options[:for_engine]).to_tree 365: end 366: 367: input.close() if input.is_a?(File) 368: 369: output.write(tree.render) 370: output.close() if output.is_a? File 371: rescue ::Sass::SyntaxError => e 372: raise e if @options[:trace] 373: raise e.sass_backtrace_str("standard input") 374: end 375: end
Tells optparse how to parse the arguments.
@param opts [OptionParser]
# File lib/haml/exec.rb, line 283 283: def set_opts(opts) 284: super 285: 286: opts.on('--scss', 287: 'Use the CSS-superset SCSS syntax.') do 288: @options[:for_engine][:syntax] = :scss 289: end 290: opts.on('--watch', 'Watch files or directories for changes.', 291: 'The location of the generated CSS can be set using a colon:', 292: ' sass --watch input.sass:output.css', 293: ' sass --watch input-dir:output-dir') do 294: @options[:watch] = true 295: end 296: opts.on('--update', 'Compile files or directories to CSS.', 297: 'Locations are set like --watch.') do 298: @options[:update] = true 299: end 300: opts.on('-t', '--style NAME', 301: 'Output style. Can be nested (default), compact, compressed, or expanded.') do |name| 302: @options[:for_engine][:style] = name.to_sym 303: end 304: opts.on('-q', '--quiet', 'Silence warnings during compilation.') do 305: @options[:for_engine][:quiet] = true 306: end 307: opts.on('-g', '--debug-info', 308: 'Emit extra information in the generated CSS that can be used by the FireSass Firebug plugin.') do 309: @options[:for_engine][:debug_info] = true 310: end 311: opts.on('-l', '--line-numbers', '--line-comments', 312: 'Emit comments in the generated CSS indicating the corresponding sass line.') do 313: @options[:for_engine][:line_numbers] = true 314: end 315: opts.on('-i', '--interactive', 316: 'Run an interactive SassScript shell.') do 317: @options[:interactive] = true 318: end 319: opts.on('-I', '--load-path PATH', 'Add a sass import path.') do |path| 320: @options[:for_engine][:load_paths] << path 321: end 322: opts.on('--cache-location PATH', 'The path to put cached Sass files. Defaults to .sass-cache.') do |loc| 323: @options[:for_engine][:cache_location] = loc 324: end 325: opts.on('-C', '--no-cache', "Don't cache to sassc files.") do 326: @options[:for_engine][:cache] = false 327: end 328: 329: unless ::Haml::Util.ruby1_8? 330: opts.on('-E encoding', 'Specify the default encoding for Sass files.') do |encoding| 331: Encoding.default_external = encoding 332: end 333: end 334: end