/**
+ * The DataSchema utility provides a common configurable interface for widgets to
+ * apply a given schema to a variety of data.
+ *
+ * @module dataschema
+ */
+
+/**
+ * Provides the base DataSchema implementation, which can be extended to
+ * create DataSchemas for specific data formats, such XML, JSON, text and
+ * arrays.
+ *
+ * @module dataschema
+ * @submodule dataschema-base
+ */
+
+var LANG = Y.Lang,
+/**
+ * Base class for the YUI DataSchema Utility.
+ * @class DataSchema.Base
+ * @static
+ */
+ SchemaBase = {
+ /**
+ * Overridable method returns data as-is.
+ *
+ * @method apply
+ * @param schema {Object} Schema to apply.
+ * @param data {Object} Data.
+ * @return {Object} Schema-parsed data.
+ * @static
+ */
+ apply: function(schema, data) {
+ return data;
+ },
+
+ /**
+ * Applies field parser, if defined
+ *
+ * @method parse
+ * @param value {Object} Original value.
+ * @param field {Object} Field.
+ * @return {Object} Type-converted value.
+ */
+ parse: function(value, field) {
+ if(field.parser) {
+ var parser = (LANG.isFunction(field.parser)) ?
+ field.parser : Y.Parsers[field.parser+''];
+ if(parser) {
+ value = parser.call(this, value);
+ }
+ else {
+ Y.log("Could not find parser for field " + Y.dump(field), "warn", "dataschema-json");
+ }
+ }
+ return value;
+ }
+};
+
+Y.namespace("DataSchema").Base = SchemaBase;
+Y.namespace("Parsers");
+