--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui_3.0.0b1/build/dataschema/dataschema.js Mon Nov 23 15:14:29 2009 +0100
@@ -0,0 +1,735 @@
+/*
+Copyright (c) 2009, Yahoo! Inc. All rights reserved.
+Code licensed under the BSD License:
+http://developer.yahoo.net/yui/license.txt
+version: 3.0.0b1
+build: 1163
+*/
+YUI.add('dataschema-base', function(Y) {
+
+/**
+ * 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 {
+ }
+ }
+ return value;
+ }
+};
+
+Y.namespace("DataSchema").Base = SchemaBase;
+Y.namespace("Parsers");
+
+
+
+}, '3.0.0b1' ,{requires:['base']});
+
+YUI.add('dataschema-json', function(Y) {
+
+/**
+ * Provides a DataSchema implementation which can be used to work with JSON data.
+ *
+ * @module dataschema
+ * @submodule dataschema-json
+ */
+
+/**
+ * JSON subclass for the DataSchema Utility.
+ * @class DataSchema.JSON
+ * @extends DataSchema.Base
+ * @static
+ */
+var LANG = Y.Lang,
+
+ SchemaJSON = {
+
+ /////////////////////////////////////////////////////////////////////////////
+ //
+ // DataSchema.JSON static methods
+ //
+ /////////////////////////////////////////////////////////////////////////////
+ /**
+ * Utility function converts JSON locator strings into walkable paths
+ *
+ * @method DataSchema.JSON.getPath
+ * @param locator {String} JSON value locator.
+ * @return {String[]} Walkable path to data value.
+ * @static
+ */
+ getPath: function(locator) {
+ var path = null,
+ keys = [],
+ i = 0;
+
+ if (locator) {
+ // Strip the ["string keys"] and [1] array indexes
+ locator = locator.
+ replace(/\[(['"])(.*?)\1\]/g,
+ function (x,$1,$2) {keys[i]=$2;return '.@'+(i++);}).
+ replace(/\[(\d+)\]/g,
+ function (x,$1) {keys[i]=parseInt($1,10)|0;return '.@'+(i++);}).
+ replace(/^\./,''); // remove leading dot
+
+ // Validate against problematic characters.
+ if (!/[^\w\.\$@]/.test(locator)) {
+ path = locator.split('.');
+ for (i=path.length-1; i >= 0; --i) {
+ if (path[i].charAt(0) === '@') {
+ path[i] = keys[parseInt(path[i].substr(1),10)];
+ }
+ }
+ }
+ else {
+ }
+ }
+ return path;
+ },
+
+ /**
+ * Utility function to walk a path and return the value located there.
+ *
+ * @method DataSchema.JSON.getLocationValue
+ * @param path {String[]} Locator path.
+ * @param data {String} Data to traverse.
+ * @return {Object} Data value at location.
+ * @static
+ */
+ getLocationValue: function (path, data) {
+ var i = 0,
+ len = path.length;
+ for (;i<len;i++) {
+ if(!LANG.isUndefined(data[path[i]])) {
+ data = data[path[i]];
+ }
+ else {
+ data = undefined;
+ break;
+ }
+ }
+ return data;
+ },
+
+ /**
+ * Applies a given schema to given JSON data.
+ *
+ * @method apply
+ * @param schema {Object} Schema to apply.
+ * @param data {Object} JSON data.
+ * @return {Object} Schema-parsed data.
+ * @static
+ */
+ apply: function(schema, data) {
+ var data_in = data,
+ data_out = {results:[],meta:{}};
+
+ // Convert incoming JSON strings
+ if(!LANG.isObject(data)) {
+ try {
+ data_in = Y.JSON.parse(data);
+ }
+ catch(e) {
+ data_out.error = e;
+ return data_out;
+ }
+ }
+
+ if(LANG.isObject(data_in) && schema) {
+ // Parse results data
+ if(!LANG.isUndefined(schema.resultListLocator)) {
+ data_out = SchemaJSON._parseResults(schema, data_in, data_out);
+ }
+
+ // Parse meta data
+ if(!LANG.isUndefined(schema.metaFields)) {
+ data_out = SchemaJSON._parseMeta(schema.metaFields, data_in, data_out);
+ }
+ }
+ else {
+ data_out.error = new Error("JSON schema parse failure");
+ }
+
+ return data_out;
+ },
+
+ /**
+ * Schema-parsed list of results from full data
+ *
+ * @method _parseResults
+ * @param schema {Object} Schema to parse against.
+ * @param json_in {Object} JSON to parse.
+ * @param data_out {Object} In-progress parsed data to update.
+ * @return {Object} Parsed data object.
+ * @static
+ * @protected
+ */
+ _parseResults: function(schema, json_in, data_out) {
+ var results = [],
+ path,
+ error;
+
+ if(schema.resultListLocator) {
+ path = SchemaJSON.getPath(schema.resultListLocator);
+ if(path) {
+ results = SchemaJSON.getLocationValue(path, json_in);
+ if (results === undefined) {
+ data_out.results = [];
+ error = new Error("JSON results retrieval failure");
+ }
+ else {
+ if(LANG.isArray(schema.resultFields) && LANG.isArray(results)) {
+ data_out = SchemaJSON._getFieldValues(schema.resultFields, results, data_out);
+ }
+ else {
+ data_out.results = [];
+ error = new Error("JSON Schema fields retrieval failure");
+ }
+ }
+ }
+ else {
+ error = new Error("JSON Schema results locator failure");
+ }
+
+ if (error) {
+ data_out.error = error;
+ }
+
+ }
+ return data_out;
+ },
+
+ /**
+ * Get field data values out of list of full results
+ *
+ * @method _getFieldValues
+ * @param fields {Array} Fields to find.
+ * @param array_in {Array} Results to parse.
+ * @param data_out {Object} In-progress parsed data to update.
+ * @return {Object} Parsed data object.
+ * @static
+ * @protected
+ */
+ _getFieldValues: function(fields, array_in, data_out) {
+ var results = [],
+ len = fields.length,
+ i, j,
+ field, key, path, parser,
+ simplePaths = [], complexPaths = [], fieldParsers = [],
+ result, record;
+
+ // First collect hashes of simple paths, complex paths, and parsers
+ for (i=0; i<len; i++) {
+ field = fields[i]; // A field can be a simple string or a hash
+ key = field.key || field; // Find the key
+
+ // Validate and store locators for later
+ path = SchemaJSON.getPath(key);
+ if (path) {
+ if (path.length === 1) {
+ simplePaths[simplePaths.length] = {key:key, path:path[0]};
+ } else {
+ complexPaths[complexPaths.length] = {key:key, path:path};
+ }
+ } else {
+ }
+
+ // Validate and store parsers for later
+ //TODO: use Y.DataSchema.parse?
+ parser = (LANG.isFunction(field.parser)) ? field.parser : Y.Parsers[field.parser+''];
+ if (parser) {
+ fieldParsers[fieldParsers.length] = {key:key, parser:parser};
+ }
+ }
+
+ // Traverse list of array_in, creating records of simple fields,
+ // complex fields, and applying parsers as necessary
+ for (i=array_in.length-1; i>=0; --i) {
+ record = {};
+ result = array_in[i];
+ if(result) {
+ // Cycle through simpleLocators
+ for (j=simplePaths.length-1; j>=0; --j) {
+ // Bug 1777850: The result might be an array instead of object
+ record[simplePaths[j].key] = Y.DataSchema.Base.parse(
+ (LANG.isUndefined(result[simplePaths[j].path]) ?
+ result[j] : result[simplePaths[j].path]), simplePaths[j]);
+ }
+
+ // Cycle through complexLocators
+ for (j=complexPaths.length - 1; j>=0; --j) {
+ record[complexPaths[j].key] = Y.DataSchema.Base.parse(
+ (SchemaJSON.getLocationValue(complexPaths[j].path, result)), complexPaths[j] );
+ }
+
+ // Cycle through fieldParsers
+ for (j=fieldParsers.length-1; j>=0; --j) {
+ key = fieldParsers[j].key;
+ record[key] = fieldParsers[j].parser(record[key]);
+ // Safety net
+ if (LANG.isUndefined(record[key])) {
+ record[key] = null;
+ }
+ }
+ results[i] = record;
+ }
+ }
+ data_out.results = results;
+ return data_out;
+ },
+
+ /**
+ * Parses results data according to schema
+ *
+ * @method _parseMeta
+ * @param metaFields {Object} Metafields definitions.
+ * @param json_in {Object} JSON to parse.
+ * @param data_out {Object} In-progress parsed data to update.
+ * @return {Object} Schema-parsed meta data.
+ * @static
+ * @protected
+ */
+ _parseMeta: function(metaFields, json_in, data_out) {
+ if(LANG.isObject(metaFields)) {
+ var key, path;
+ for(key in metaFields) {
+ if (metaFields.hasOwnProperty(key)) {
+ path = SchemaJSON.getPath(metaFields[key]);
+ if (path && json_in) {
+ data_out.meta[key] = SchemaJSON.getLocationValue(path, json_in);
+ }
+ }
+ }
+ }
+ else {
+ data_out.error = new Error("JSON meta data retrieval failure");
+ }
+ return data_out;
+ }
+ };
+
+Y.DataSchema.JSON = Y.mix(SchemaJSON, Y.DataSchema.Base);
+
+
+
+}, '3.0.0b1' ,{requires:['json', 'dataschema-base']});
+
+YUI.add('dataschema-xml', function(Y) {
+
+/**
+ * Provides a DataSchema implementation which can be used to work with XML data.
+ *
+ * @module dataschema
+ * @submodule dataschema-xml
+ */
+var LANG = Y.Lang,
+
+ /**
+ * XML subclass for the DataSchema Utility.
+ * @class DataSchema.XML
+ * @extends DataSchema.Base
+ * @static
+ */
+ SchemaXML = {
+
+ /////////////////////////////////////////////////////////////////////////////
+ //
+ // DataSchema.XML static methods
+ //
+ /////////////////////////////////////////////////////////////////////////////
+ /**
+ * Applies a given schema to given XML data.
+ *
+ * @method apply
+ * @param schema {Object} Schema to apply.
+ * @param data {XMLDoc} XML document.
+ * @return {Object} Schema-parsed data.
+ * @static
+ */
+ apply: function(schema, data) {
+ var xmldoc = data,
+ data_out = {results:[],meta:{}};
+
+ if(xmldoc && xmldoc.nodeType && xmldoc.nodeType === 9 && schema) {
+ // Parse results data
+ data_out = SchemaXML._parseResults(schema, xmldoc, data_out);
+
+ // Parse meta data
+ data_out = SchemaXML._parseMeta(schema.metaFields, xmldoc, data_out);
+ }
+ else {
+ data_out.error = new Error("XML schema parse failure");
+ }
+
+ return data_out;
+ },
+
+ /**
+ * Get an XPath-specified value for a given field from an XML node or document.
+ *
+ * @method _getLocationValue
+ * @param field {String | Object} Field definition.
+ * @param context {Object} XML node or document to search within.
+ * @return {Object} Data value or null.
+ * @static
+ * @protected
+ */
+ _getLocationValue: function(field, context) {
+ var locator = field.locator || field.key || field,
+ xmldoc = context.ownerDocument || context,
+ result, res, value = null;
+
+ try {
+ // Standards mode
+ if(!LANG.isUndefined(xmldoc.evaluate)) {
+ result = xmldoc.evaluate(locator, context, xmldoc.createNSResolver(!context.ownerDocument ? context.documentElement : context.ownerDocument.documentElement), 0, null);
+ while(res = result.iterateNext()) {
+ value = res.textContent;
+ }
+ }
+ // IE mode
+ else {
+ xmldoc.setProperty("SelectionLanguage", "XPath");
+ result = context.selectNodes(locator)[0];
+ value = result.value || result.text || null;
+ }
+ return Y.DataSchema.Base.parse(value, field);
+
+ }
+ catch(e) {
+ }
+ },
+
+ /**
+ * Parses results data according to schema
+ *
+ * @method _parseMeta
+ * @param xmldoc_in {Object} XML document parse.
+ * @param data_out {Object} In-progress schema-parsed data to update.
+ * @return {Object} Schema-parsed data.
+ * @static
+ * @protected
+ */
+ _parseMeta: function(metaFields, xmldoc_in, data_out) {
+ if(LANG.isObject(metaFields)) {
+ var key,
+ xmldoc = xmldoc_in.ownerDocument || xmldoc_in;
+
+ for(key in metaFields) {
+ if (metaFields.hasOwnProperty(key)) {
+ data_out.meta[key] = SchemaXML._getLocationValue(metaFields[key], xmldoc);
+ }
+ }
+ }
+ return data_out;
+ },
+
+ /**
+ * Schema-parsed list of results from full data
+ *
+ * @method _parseResults
+ * @param schema {Object} Schema to parse against.
+ * @param xmldoc_in {Object} XML document parse.
+ * @param data_out {Object} In-progress schema-parsed data to update.
+ * @return {Object} Schema-parsed data.
+ * @static
+ * @protected
+ */
+ _parseResults: function(schema, xmldoc_in, data_out) {
+ if(schema.resultListLocator && LANG.isArray(schema.resultFields)) {
+ var nodeList = xmldoc_in.getElementsByTagName(schema.resultListLocator),
+ fields = schema.resultFields,
+ results = [],
+ node, field, result, i, j;
+
+ if(nodeList.length) {
+ // Loop through each result node
+ for(i=nodeList.length-1; i>= 0; i--) {
+ result = {};
+ node = nodeList[i];
+
+ // Find each field value
+ for(j=fields.length-1; j>= 0; j--) {
+ field = fields[j];
+ result[field.key || field] = SchemaXML._getLocationValue(field, node);
+ }
+ results[i] = result;
+ }
+
+ data_out.results = results;
+ }
+ else {
+ data_out.error = new Error("XML schema result nodes retrieval failure");
+ }
+ }
+ return data_out;
+ }
+ };
+
+Y.DataSchema.XML = Y.mix(SchemaXML, Y.DataSchema.Base);
+
+
+
+}, '3.0.0b1' ,{requires:['dataschema-base']});
+
+YUI.add('dataschema-array', function(Y) {
+
+/**
+ * Provides a DataSchema implementation which can be used to work with data stored in arrays.
+ *
+ * @module dataschema
+ * @submodule dataschema-array
+ */
+
+/**
+ * Array subclass for the DataSchema Utility.
+ * @class DataSchema.Array
+ * @extends DataSchema.Base
+ * @static
+ */
+var LANG = Y.Lang,
+
+ SchemaArray = {
+
+ /////////////////////////////////////////////////////////////////////////////
+ //
+ // DataSchema.Array static methods
+ //
+ /////////////////////////////////////////////////////////////////////////////
+ /**
+ * Applies a given schema to given Array data.
+ *
+ * @method apply
+ * @param schema {Object} Schema to apply.
+ * @param data {Object} Array data.
+ * @return {Object} Schema-parsed data.
+ * @static
+ */
+ apply: function(schema, data) {
+ var data_in = data,
+ data_out = {results:[],meta:{}};
+
+ if(LANG.isArray(data_in)) {
+ if(LANG.isArray(schema.resultFields)) {
+ // Parse results data
+ data_out = SchemaArray._parseResults(schema.resultFields, data_in, data_out);
+ }
+ else {
+ data_out.results = data_in;
+ }
+ }
+ else {
+ data_out.error = new Error("Array schema parse failure");
+ }
+
+ return data_out;
+ },
+
+ /**
+ * Schema-parsed list of results from full data
+ *
+ * @method _parseResults
+ * @param fields {Array} Schema to parse against.
+ * @param array_in {Array} Array to parse.
+ * @param data_out {Object} In-progress parsed data to update.
+ * @return {Object} Parsed data object.
+ * @static
+ * @protected
+ */
+ _parseResults: function(fields, array_in, data_out) {
+ var results = [],
+ result, item, type, field, key, value, i, j;
+
+ for(i=array_in.length-1; i>-1; i--) {
+ result = {};
+ item = array_in[i];
+ type = (LANG.isObject(item) && !LANG.isFunction(item)) ? 2 : (LANG.isArray(item)) ? 1 : (LANG.isString(item)) ? 0 : -1;
+ if(type > 0) {
+ for(j=fields.length-1; j>-1; j--) {
+ field = fields[j];
+ key = (!LANG.isUndefined(field.key)) ? field.key : field;
+ value = (!LANG.isUndefined(item[key])) ? item[key] : item[j];
+ result[key] = Y.DataSchema.Base.parse(value, field);
+ }
+ }
+ else if(type === 0) {
+ result = item;
+ }
+ else {
+ //TODO: null or {}?
+ result = null;
+ }
+ results[i] = result;
+ }
+ data_out.results = results;
+
+ return data_out;
+ }
+ };
+
+Y.DataSchema.Array = Y.mix(SchemaArray, Y.DataSchema.Base);
+
+
+
+}, '3.0.0b1' ,{requires:['dataschema-base']});
+
+YUI.add('dataschema-text', function(Y) {
+
+/**
+ * Provides a DataSchema implementation which can be used to work with delimited text data.
+ *
+ * @module dataschema
+ * @submodule dataschema-text
+ */
+
+/**
+ * Text subclass for the DataSchema Utility.
+ * @class DataSchema.Text
+ * @extends DataSchema.Base
+ * @static
+ */
+
+var LANG = Y.Lang,
+
+ SchemaText = {
+
+ /////////////////////////////////////////////////////////////////////////////
+ //
+ // DataSchema.Text static methods
+ //
+ /////////////////////////////////////////////////////////////////////////////
+ /**
+ * Applies a given schema to given delimited text data.
+ *
+ * @method apply
+ * @param schema {Object} Schema to apply.
+ * @param data {Object} Text data.
+ * @return {Object} Schema-parsed data.
+ * @static
+ */
+ apply: function(schema, data) {
+ var data_in = data,
+ data_out = {results:[],meta:{}};
+
+ if(LANG.isString(data_in) && LANG.isString(schema.resultDelimiter)) {
+ // Parse results data
+ data_out = SchemaText._parseResults(schema, data_in, data_out);
+ }
+ else {
+ data_out.error = new Error("Text schema parse failure");
+ }
+
+ return data_out;
+ },
+
+ /**
+ * Schema-parsed list of results from full data
+ *
+ * @method _parseResults
+ * @param schema {Array} Schema to parse against.
+ * @param text_in {String} Text to parse.
+ * @param data_out {Object} In-progress parsed data to update.
+ * @return {Object} Parsed data object.
+ * @static
+ * @protected
+ */
+ _parseResults: function(schema, text_in, data_out) {
+ var resultDelim = schema.resultDelimiter,
+ results = [],
+ results_in, fields_in, result, item, fields, field, key, value, i, j,
+
+ // Delete final delimiter at end of string if there
+ tmpLength = text_in.length-resultDelim.length;
+ if(text_in.substr(tmpLength) == resultDelim) {
+ text_in = text_in.substr(0, tmpLength);
+ }
+
+ // Split into results
+ results_in = text_in.split(schema.resultDelimiter);
+
+ for(i=results_in.length-1; i>-1; i--) {
+ result = {};
+ item = results_in[i];
+
+ if(LANG.isString(schema.fieldDelimiter)) {
+ fields_in = item.split(schema.fieldDelimiter);
+
+ if(LANG.isArray(schema.resultFields)) {
+ fields = schema.resultFields;
+ for(j=fields.length-1; j>-1; j--) {
+ field = fields[j];
+ key = (!LANG.isUndefined(field.key)) ? field.key : field;
+ value = (!LANG.isUndefined(fields_in[key])) ? fields_in[key] : fields_in[j];
+ result[key] = Y.DataSchema.Base.parse(value, field);
+ }
+ }
+
+ }
+ else {
+ result = item;
+ }
+
+ results[i] = result;
+ }
+ data_out.results = results;
+
+ return data_out;
+ }
+ };
+
+Y.DataSchema.Text = Y.mix(SchemaText, Y.DataSchema.Base);
+
+
+
+}, '3.0.0b1' ,{requires:['dataschema-base']});
+
+
+
+YUI.add('dataschema', function(Y){}, '3.0.0b1' ,{use:['dataschema-base','dataschema-json','dataschema-xml','dataschema-array','dataschema-text']});
+