New feature - media types in stylesheets (issue #1)

README.markdown

@@ -114,6 +114,12 @@ Like the _title_ setting, the _stylesheets_ setting begins life as an empty arra
       stylesheets << 'specific.css'
     end
 
+If your stylesheet string contains a space, the second and any following words will be used for the _media_ attribute:
+
+    stylesheets << 'no_effects.css print braille'
+    # yields:
+    <link rel='stylesheet' href='/stylesheets/no_effects.css' media='print, braille' />
+
 In your layout, you can call the `stylesheet_tag` helper for a single filename or URL you provide, or the `stylesheet_tags` helper which walks the array and creates a tag for each.  (In FIFO or queue order, unlike _title._)
 
 Currently nothing is done for nicer asset packaging, fingerprinting, compressing, etc. There's [Rack][10] [middleware][9] for some of it, and future iterations may include these features. If you'd really really like to see them, [create an issue][7] and ask for them.

lib/sinatra/head/tag_helpers.rb

@@ -35,10 +35,17 @@ def title_tag
 
       # Spits out a <link rel='stylesheet'> element for the given stylesheet reference.
       # Relative filenames will be expanded with the Sinatra assets path, if set.
+      # If the filename string contains multiple words (separated by spaces), all
+      # words after the first will be used for _media_ identifiers.
       #
       # @param [String] sheet
-      def stylesheet_tag(sheet)
-        "<link rel='stylesheet' href='#{expand_stylesheet_path(sheet)}' />"
+      def stylesheet_tag(reference)
+        sheet, *media = reference.split
+        if media.empty?
+          "<link rel='stylesheet' href='#{expand_stylesheet_path(sheet)}' />"
+        else
+          "<link rel='stylesheet' href='#{expand_stylesheet_path(sheet)}' media='#{media.join(', ')}' />"
+        end
       end
 
       # Spits out stylesheet tags for all declared stylesheets, one per line.

spec/sinatra/stylesheet_spec.rb

@@ -45,6 +45,10 @@ class DummyFixture::DummyChild
   it "knows how to make a tag" do
     @instance.stylesheet_tag(@instance.stylesheets.first).should == "<link rel='stylesheet' href='/stuff/stylesheets/main.css' />"
   end
+
+  it "can make a stylesheet tag just for a specific medium" do
+    @instance.stylesheet_tag('print.css print braille').should == "<link rel='stylesheet' href='/stuff/stylesheets/print.css' media='print, braille' />"
+  end
 
   it "knows how to make all the tags" do
     @instance.stylesheets << 'http://yahoo.com/yahoo_style.css'