SLD format rewrite. Adds a versioned parser with read and write support. This does not come with full support for ogc:expression parsing, but makes for easy future enhancements. r=ahocevar (closes #1458)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@6645 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Rule.js

@@ -14,12 +14,30 @@
  */
 OpenLayers.Rule = OpenLayers.Class({
     
+    /**
+     * Property: id
+     * {String} A unique id for this session.
+     */
+    id: null,
+    
     /**
      * APIProperty: name
      * {String} name of this rule
      */
     name: 'default',
     
+    /**
+     * Property: title
+     * {String} Title of this rule (set if included in SLD)
+     */
+    title: null,
+    
+    /**
+     * Property: description
+     * {String} Description of this rule (set if abstract is included in SLD)
+     */
+    description: null,
+
     /**
      * Property: context
      * {Object} An optional object with properties that the rule should be
@@ -73,6 +91,7 @@ OpenLayers.Rule = OpenLayers.Class({
      * {<OpenLayers.Rule>}
      */
     initialize: function(options) {
+        this.id = OpenLayers.Util.createUniqueID(this.CLASS_NAME + "_");
         this.symbolizer = {};
 
         OpenLayers.Util.extend(this, options);