clip_path.rb in prawn-svg-0.24.0

- old
+ new

@@ -1,14 +1,13 @@
 module Prawn::SVG::Attributes::ClipPath
   def parse_clip_path_attribute_and_call
-    return unless clip_path = attributes['clip-path']
+    return unless clip_path = properties.clip_path
+    return if clip_path == 'none'
 
-    if (matches = clip_path.strip.match(/\Aurl\(#(.*)\)\z/)).nil?
-      document.warnings << "Only clip-path attributes with the form 'url(#xxx)' are supported"
-    elsif (clip_path_element = @document.elements_by_id[matches[1]]).nil?
-      document.warnings << "clip-path ID '#{matches[1]}' not defined"
-    elsif clip_path_element.source.name != "clipPath"
-      document.warnings << "clip-path ID '#{matches[1]}' does not point to a clipPath tag"
+    clip_path_element = extract_element_from_url_id_reference(clip_path, 'clipPath')
+
+    if clip_path_element.nil?
+      document.warnings << "Could not resolve clip-path URI to a clipPath element"
     else
       add_call_and_enter 'save_graphics_state'
       add_calls_from_element clip_path_element
       add_call "clip"
     end