module Compass::SassExtensions::Functions::Urls::GeneratedImageUrl
Public Class Methods
included(base)
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# File lib/compass/sass_extensions/functions/urls.rb, line 142 def self.included(base) if base.respond_to?(:declare) base.declare :generated_image_url, [:path] base.declare :generated_image_url, [:path, :cache_buster] end end
Public Instance Methods
generated_image_url(path, cache_buster = Sass::Script::Bool.new(false))
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# File lib/compass/sass_extensions/functions/urls.rb, line 148 def generated_image_url(path, cache_buster = Sass::Script::Bool.new(false)) path = path.value # get to the string value of the literal. if path =~ %r{^#{Regexp.escape(Compass.configuration.http_generated_images_path)}/(.*)} # Treat root relative urls (without a protocol) like normal if they start with # the generated_images path. path = $1 elsif absolute_path?(path) # Short curcuit if they have provided an absolute url. return Sass::Script::String.new("url(#{path})") end # Compute the path to the image, either root relative or stylesheet relative # or nil if the http_generated_images_path is not set in the configuration. http_generated_images_path = if relative? compute_relative_path(Compass.configuration.generated_images_path) elsif Compass.configuration.http_generated_images_path Compass.configuration.http_generated_images_path else Compass.configuration.http_root_relative(Compass.configuration.generated_images_dir) end # Compute the real path to the image on the file stystem if the generated_images_dir is set. real_path = if Compass.configuration.generated_images_dir File.join(Compass.configuration.project_path, Compass.configuration.generated_images_dir, path) end # prepend the path to the image if there's one if http_generated_images_path http_generated_images_path = "#{http_generated_images_path}/" unless http_generated_images_path[-1..-1] == "/" path = "#{http_generated_images_path}#{path}" end # Compute the asset host unless in relative mode. asset_host = if !relative? && Compass.configuration.asset_host Compass.configuration.asset_host.call(path) end # Compute and append the cache buster if there is one. if cache_buster.to_bool if cache_buster.is_a?(Sass::Script::String) path += "?#{cache_buster.value}" else path = cache_busted_path(path, real_path) end end # prepend the asset host if there is one. path = "#{asset_host}#{'/' unless path[0..0] == "/"}#{path}" if asset_host clean_url(path) end