wlxml: inheritance in meta attributes keys, sligthly changed meta attrs api

diff --git a/src/wlxml/wlxml.js b/src/wlxml/wlxml.js
index 9b852ae..fb5b328 100644 (file)
--- a/src/wlxml/wlxml.js
+++ b/src/wlxml/wlxml.js
@@ -1,7 +1,8 @@
 define([
     'libs/jquery',
+    'libs/underscore',
     'smartxml/smartxml'
-], function($, smartxml) {
+], function($, _, smartxml) {
     
 'use strict';
 
@@ -13,6 +14,13 @@ var isMetaAttribute = function(attrName) {
 
 //
 
+var AttributesList = function() {};
+AttributesList.prototype = Object.create({});
+AttributesList.prototype.keys = function() {
+    return _.keys(this);
+};
+
+
 var WLXMLElementNode = function(nativeNode, document) {
     smartxml.ElementNode.call(this, nativeNode, document);
 };
@@ -20,18 +28,25 @@ WLXMLElementNode.prototype = Object.create(smartxml.ElementNode.prototype);
 
 $.extend(WLXMLElementNode.prototype, smartxml.ElementNode.prototype, {
     getClass: function() {
-        return this.getAttr('class');
+        return this.getAttr('class') || '';
     },
     setClass: function(klass) {
         return this.setAttr('class', klass);
     },
     getMetaAttributes: function() {
-        var toret = [];
-        this.getAttrs().forEach(function(attr) {
-            if(isMetaAttribute(attr.name)) {
-                toret.push({name: attr.name.substr(5), value: attr.value});
+        var toret = new AttributesList(),
+            classParts = [''].concat(this.getClass().split('.')),
+            classCurrent, classDesc;
+
+        classParts.forEach(function(part) {
+            classCurrent = classCurrent ? classCurrent + '.' + part : part;
+            classDesc = this.document.options.wlxmlClasses[classCurrent];
+            if(classDesc) {
+                _.keys(classDesc.attrs).forEach(function(attrName) {
+                    toret[attrName] = _.extend({value: this.getAttr('meta-' + attrName)}, classDesc.attrs[attrName]);
+                }.bind(this));
             }
-        });
+        }.bind(this));
         return toret;
     },
     getOtherAttributes: function() {
@@ -95,8 +110,9 @@ $.extend(WLXMLElementNode.prototype, smartxml.ElementNode.prototype, {
 
 
 
-var WLXMLDocument = function(xml) {
+var WLXMLDocument = function(xml, options) {
     smartxml.Document.call(this, xml);
+    this.options = options;
 };
 
 var formatter_prefix = '_wlxml_formatter_';
@@ -194,10 +210,16 @@ $.extend(WLXMLDocument.prototype, {
 
 });
 
+var wlxmlClasses = {
+    'uri': {
+        attrs: {uri: {type: 'string'}}
+    }
+};
 
 return {
-    WLXMLDocumentFromXML: function(xml) {
-        return new WLXMLDocument(xml);
+    WLXMLDocumentFromXML: function(xml, options) {
+        options = _.extend({wlxmlClasses: wlxmlClasses}, options);
+        return new WLXMLDocument(xml, options);
     },
 
     WLXMLElementNodeFromXML: function(xml) {

diff --git a/src/wlxml/wlxml.test.js b/src/wlxml/wlxml.test.js
index c210a71..c802ae3 100644 (file)
--- a/src/wlxml/wlxml.test.js
+++ b/src/wlxml/wlxml.test.js
@@ -5,6 +5,7 @@ define([
     
 'use strict';
 
+/* jshint expr:true */
 /* global it, describe */
 
 var expect = chai.expect;
@@ -13,8 +14,8 @@ var nodeFromXML = function(xml) {
     return wlxml.WLXMLElementNodeFromXML(xml);
 };
 
-var getDocumentFromXML = function(xml) {
-    return wlxml.WLXMLDocumentFromXML(xml);
+var getDocumentFromXML = function(xml, options) {
+    return wlxml.WLXMLDocumentFromXML(xml, options || {});
 };
 
 
@@ -26,17 +27,81 @@ describe('WLXMLDocument', function() {
             expect(node.getClass()).to.equal('class.subclass');
         });
 
-        it('returns its attributes as dict', function() {
-            var node = nodeFromXML('<span meta-attr1="val1" meta-attr2="val2"></span>');
-            expect(node.getMetaAttributes()).to.eql([{name: 'attr1', value: 'val1'}, {name: 'attr2', value: 'val2'}]);
-        });
-
         it('returns attributes other than class and meta-* as other attributes', function() {
             var node = nodeFromXML('<span class="uri" meta-attr="val" attr1="val1" attr2="val2"></span>');
             expect(node.getOtherAttributes()).to.eql({attr1: 'val1', attr2: 'val2'});
         });
     });
 
+    describe('WLXML node meta attributes', function() {
+
+        it('inherits keys from super classes', function() {
+            var testClasses = {
+                    '': {
+                        attrs: {'common': {type: 'string'}}
+                    },
+                    'a': {
+                        attrs: {'a_attr': {type: 'string'}}
+                    },
+                    'a.b': {
+                        attrs: {'a_b_attr': {type: 'string'}}
+                    },
+                    'a.b.c': {
+                        attrs: {'a_b_c_attr': {type: 'string'}}
+                    }
+                },
+                doc = getDocumentFromXML('<section></section>', {wlxmlClasses: testClasses}),
+                section = doc.root;
+
+            expect(section.getMetaAttributes().keys()).to.eql(['common']);
+
+            section.setClass('a');
+            expect(section.getMetaAttributes().keys().sort()).to.eql(['common', 'a_attr'].sort());
+
+            section.setClass('a.b');
+            expect(section.getMetaAttributes().keys().sort()).to.eql(['common', 'a_attr', 'a_b_attr'].sort());
+
+            section.setClass('a.b.c');
+            expect(section.getMetaAttributes().keys().sort()).to.eql(['common', 'a_attr', 'a_b_attr', 'a_b_c_attr'].sort());
+        });
+
+        describe('api', function() {
+            it('returns meta attributes as a dict', function() {
+                var testClasses = {
+                        'test': {
+                            attrs: {
+                                attr1: {type: 'string'},
+                                attr2: {type: 'date'}
+                            }
+                        }
+                    },
+                    node = getDocumentFromXML(
+                        '<span class="test" meta-attr1="val1" meta-attr2="2014-01-01"></span>',
+                        {wlxmlClasses: testClasses}
+                    ).root,
+                    attrs = node.getMetaAttributes();
+
+                expect(attrs.keys().sort()).to.eql(['attr1', 'attr2'].sort());
+                expect(attrs.attr1.value).to.equal('val1');
+                expect(attrs.attr1.type).to.equal('string');
+                expect(attrs.attr2.value).to.equal('2014-01-01');
+                expect(attrs.attr2.type).to.equal('date');
+            });
+            it('returns undefined value if attribute is missing', function() {
+                var testClasses = {
+                        'test': {
+                            attrs: {
+                                attr1: {type: 'string'},
+                            }
+                        }
+                    },
+                    node = getDocumentFromXML('<span class="test"></span>', {wlxmlClasses: testClasses}).root,
+                    attrs = node.getMetaAttributes();
+                    expect(attrs.attr1.value).to.be.undefined;
+            });
+        });
+    });
+
     describe('White space handling', function() {
         it('ignores white space surrounding block elements', function() {
             var node = nodeFromXML('<section> <div></div> </section>'),