middleman/lib/middleman/sass.rb
2010-01-29 22:48:34 -08:00

113 lines
No EOL
3.4 KiB
Ruby

require "sass"
require "compass"
require "compass-colors"
require "fancy-buttons"
begin
require "yui/compressor"
rescue LoadError
puts "YUI-Compressor not available. Install it with: gem install yui-compressor"
end
module Middleman::Sass
def self.included(base)
base.supported_formats << "sass"
end
def render_path(path, layout)
if template_exists?(path, :sass)
begin
static_version = settings.public + request.path_info
send_file(static_version) if File.exists? static_version
location_of_sass_file = settings.environment == "build" ?
File.join(Dir.pwd, settings.build_dir) :
settings.public
css_filename = File.join(location_of_sass_file, request.path_info)
result = sass(path.to_sym, ::Compass.sass_engine_options.merge({ :css_filename => css_filename }))
if enabled?(:minify_css)
::YUI::CssCompressor.new.compress(result)
else
result
end
rescue Exception => e
sass_exception_string(e)
end
else
super
end
end
# Handle Sass errors
def sass_exception_string(e)
e_string = "#{e.class}: #{e.message}"
if e.is_a? ::Sass::SyntaxError
e_string << "\non line #{e.sass_line}"
if e.sass_filename
e_string << " of #{e.sass_filename}"
if File.exists?(e.sass_filename)
e_string << "\n\n"
min = [e.sass_line - 5, 0].max
begin
File.read(e.sass_filename).rstrip.split("\n")[
min .. e.sass_line + 5
].each_with_index do |line, i|
e_string << "#{min + i + 1}: #{line}\n"
end
rescue
e_string << "Couldn't read sass file: #{e.sass_filename}"
end
end
end
end
<<END
/*
#{e_string}
Backtrace:\n#{e.backtrace.join("\n")}
*/
body:before {
white-space: pre;
font-family: monospace;
content: "#{e_string.gsub('"', '\"').gsub("\n", '\\A ')}"; }
END
end
end
class Middleman::Base
include Middleman::Sass
after_feature_init do
::Compass.configuration do |config|
config.cache_path = File.join(self.root, ".sassc") # For sassc files
config.project_path = self.root
config.sass_dir = File.join(File.basename(self.views), self.css_dir)
config.output_style = self.enabled?(:minify_css) ? :compressed : :nested
config.line_comments = false
config.fonts_dir = File.join(File.basename(self.public), self.fonts_dir)
config.css_dir = File.join(File.basename(self.public), self.css_dir)
config.images_dir = File.join(File.basename(self.public), self.images_dir)
config.http_images_path = self.http_images_path rescue File.join(self.http_prefix || "/", self.images_dir)
config.http_stylesheets_path = self.http_css_path rescue File.join(self.http_prefix || "/", self.css_dir)
config.asset_cache_buster { false }
config.add_import_path(config.sass_dir)
end
configure :build do
::Compass.configuration do |config|
config.css_dir = File.join(File.basename(self.build_dir), self.css_dir)
config.images_dir = File.join(File.basename(self.build_dir), self.images_dir)
end
end
::Compass.configure_sass_plugin!
Sass::Plugin.options.update(:line_comments => false)
end
end