Class: Haml::Exec::Sass
Overview
The sass
executable.
Instance Method Summary collapse
-
#initialize(args) ⇒ Sass
constructor
A new instance of Sass.
-
#process_result
protected
Processes the options set by the command-line arguments, and runs the Sass compiler appropriately.
-
#set_opts(opts)
protected
Tells optparse how to parse the arguments.
Methods inherited from Generic
#color, #get_line, #parse, #parse!, #puts_action, #to_s
Constructor Details
#initialize(args) ⇒ Sass
Returns a new instance of Sass.
247 248 249 250 251 |
# File 'lib/haml/exec.rb', line 247
def initialize(args)
super
@name = "Sass"
@options[:for_engine][:load_paths] = ['.'] + (ENV['SASSPATH'] || '').split(File::PATH_SEPARATOR)
end
|
Instance Method Details
#process_result (protected)
Processes the options set by the command-line arguments, and runs the Sass compiler appropriately.
307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 |
# File 'lib/haml/exec.rb', line 307
def process_result
if !@options[:update] && !@options[:watch] &&
@args.first && @args.first.include?(':')
if @args.size == 1
@args = @args.first.split(':', 2)
else
@options[:update] = true
end
end
return interactive if @options[:interactive]
return watch_or_update if @options[:watch] || @options[:update]
super
begin
input = @options[:input]
output = @options[:output]
@options[:syntax] ||= :scss if input.is_a?(File) && input.path =~ /\.scss$/
tree =
if input.is_a?(File) && !@options[:check_syntax]
::Sass::Files.tree_for(input.path, @options[:for_engine])
else
# We don't need to do any special handling of @options[:check_syntax] here,
# because the Sass syntax checking happens alongside evaluation
# and evaluation doesn't actually evaluate any code anyway.
::Sass::Engine.new(input.read(), @options[:for_engine]).to_tree
end
input.close() if input.is_a?(File)
output.write(tree.render)
output.close() if output.is_a? File
rescue ::Sass::SyntaxError => e
raise e if @options[:trace]
raise e.sass_backtrace_str("standard input")
end
end
|
#set_opts(opts) (protected)
Tells optparse how to parse the arguments.
258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 |
# File 'lib/haml/exec.rb', line 258
def set_opts(opts)
super
opts.on('--scss',
'Use the CSS-superset SCSS syntax.') do
@options[:for_engine][:syntax] = :scss
end
opts.on('--watch', 'Watch files or directories for changes.',
'The location of the generated CSS can be set using a colon:',
' sass --watch input.sass:output.css',
' sass --watch input-dir:output-dir') do
@options[:watch] = true
end
opts.on('--update', 'Compile files or directories to CSS.',
'Locations are set like --watch.') do
@options[:update] = true
end
opts.on('-t', '--style NAME',
'Output style. Can be nested (default), compact, compressed, or expanded.') do |name|
@options[:for_engine][:style] = name.to_sym
end
opts.on('-q', '--quiet', 'Silence warnings during compilation.') do
@options[:for_engine][:quiet] = true
end
opts.on('-g', '--debug-info',
'Emit extra information in the generated CSS that can be used by the FireSass Firebug plugin.') do
@options[:for_engine][:debug_info] = true
end
opts.on('-l', '--line-numbers', '--line-comments',
'Emit comments in the generated CSS indicating the corresponding sass line.') do
@options[:for_engine][:line_numbers] = true
end
opts.on('-i', '--interactive',
'Run an interactive SassScript shell.') do
@options[:interactive] = true
end
opts.on('-I', '--load-path PATH', 'Add a sass import path.') do |path|
@options[:for_engine][:load_paths] << path
end
opts.on('--cache-location PATH', 'The path to put cached Sass files. Defaults to .sass-cache.') do |loc|
@options[:for_engine][:cache_location] = loc
end
opts.on('-C', '--no-cache', "Don't cache to sassc files.") do
@options[:for_engine][:cache] = false
end
end
|