Class: Haml::Exec::Sass

Inherits:
HamlSass show all
Defined in:
lib/haml/exec.rb

Overview

A class encapsulating executable functionality specific to Sass.

Instance Method Summary collapse

Methods inherited from Generic

#parse!, #to_s

Constructor Details

#initialize(args) ⇒ Sass

:nodoc:



168
169
170
171
172
 
# File 'lib/haml/exec.rb', line 168

def initialize(args)
  super
  @name = "Sass"
  @options[:for_engine][:load_paths] = ['.'] + (ENV['SASSPATH'] || '').split(File::PATH_SEPARATOR)
end

Instance Method Details

#process_result ⇒ Object 



200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
 
# File 'lib/haml/exec.rb', line 200

def process_result
  if @options[:interactive]
    require 'sass'
    require 'sass/repl'
    ::Sass::Repl.new(@options).run
    return
  end

  super
  input = @options[:input]
  output = @options[:output]

  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 "Syntax error on line #{get_line e}: #{e.message}"
end

#set_opts(opts) ⇒ Object 



174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
 
# File 'lib/haml/exec.rb', line 174

def set_opts(opts)
  super

  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('-l', '--line-comments',
          'Line Comments. Emit comments in the generated CSS indicating the corresponding sass line.') do
    @options[:for_engine][:line_comments] = 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', 'The path to put cached Sass files. Defaults to .sass-cache.') do |loc|
    @options[:for_engine][:cache_location] = path
  end
  opts.on('-C', '--no-cache', "Don't cache to sassc files.") do
    @options[:for_engine][:cache] = false
  end
end