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Unified Diff: chrome/test/data/extensions/test/TabsAPI/1/jstemplate_compiled.js

Issue 99201: Sample sprucing part 2 (Closed)
Patch Set: Merge to HEAD Created 11 years, 8 months ago
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Index: chrome/test/data/extensions/test/TabsAPI/1/jstemplate_compiled.js
diff --git a/chrome/test/data/extensions/test/TabsAPI/1/jstemplate_compiled.js b/chrome/test/data/extensions/test/TabsAPI/1/jstemplate_compiled.js
deleted file mode 100644
index 2f62b31690de296ae50268a1c658e70e8ca16d34..0000000000000000000000000000000000000000
--- a/chrome/test/data/extensions/test/TabsAPI/1/jstemplate_compiled.js
+++ /dev/null
@@ -1,1182 +0,0 @@
-/**
- * @fileoverview This file contains miscellaneous basic functionality.
- *
- */
-
-/**
- * Creates a DOM element with the given tag name in the document of the
- * owner element.
- *
- * @param {String} tagName The name of the tag to create.
- * @param {Element} owner The intended owner (i.e., parent element) of
- * the created element.
- * @param {Point} opt_position The top-left corner of the created element.
- * @param {Size} opt_size The size of the created element.
- * @param {Boolean} opt_noAppend Do not append the new element to the owner.
- * @return {Element} The newly created element node.
- */
-function createElement(tagName, owner, opt_position, opt_size, opt_noAppend) {
- var element = ownerDocument(owner).createElement(tagName);
- if (opt_position) {
- setPosition(element, opt_position);
- }
- if (opt_size) {
- setSize(element, opt_size);
- }
- if (owner && !opt_noAppend) {
- appendChild(owner, element);
- }
-
- return element;
-}
-
-/**
- * Creates a text node with the given value.
- *
- * @param {String} value The text to place in the new node.
- * @param {Element} owner The owner (i.e., parent element) of the new
- * text node.
- * @return {Text} The newly created text node.
- */
-function createTextNode(value, owner) {
- var element = ownerDocument(owner).createTextNode(value);
- if (owner) {
- appendChild(owner, element);
- }
- return element;
-}
-
-/**
- * Returns the document owner of the given element. In particular,
- * returns window.document if node is null or the browser does not
- * support ownerDocument.
- *
- * @param {Node} node The node whose ownerDocument is required.
- * @returns {Document|Null} The owner document or null if unsupported.
- */
-function ownerDocument(node) {
- return (node ? node.ownerDocument : null) || document;
-}
-
-/**
- * Wrapper function to create CSS units (pixels) string
- *
- * @param {Number} numPixels Number of pixels, may be floating point.
- * @returns {String} Corresponding CSS units string.
- */
-function px(numPixels) {
- return round(numPixels) + "px";
-}
-
-/**
- * Sets the left and top of the given element to the given point.
- *
- * @param {Element} element The dom element to manipulate.
- * @param {Point} point The desired position.
- */
-function setPosition(element, point) {
- var style = element.style;
- style.position = "absolute";
- style.left = px(point.x);
- style.top = px(point.y);
-}
-
-/**
- * Sets the width and height style attributes to the given size.
- *
- * @param {Element} element The dom element to manipulate.
- * @param {Size} size The desired size.
- */
-function setSize(element, size) {
- var style = element.style;
- style.width = px(size.width);
- style.height = px(size.height);
-}
-
-/**
- * Sets display to none. Doing this as a function saves a few bytes for
- * the 'style.display' property and the 'none' literal.
- *
- * @param {Element} node The dom element to manipulate.
- */
-function displayNone(node) {
- node.style.display = 'none';
-}
-
-/**
- * Sets display to default.
- *
- * @param {Element} node The dom element to manipulate.
- */
-function displayDefault(node) {
- node.style.display = '';
-}
-
-/**
- * Appends the given child to the given parent in the DOM
- *
- * @param {Element} parent The parent dom element.
- * @param {Node} child The new child dom node.
- */
-function appendChild(parent, child) {
- parent.appendChild(child);
-}
-
-
-/**
- * Wrapper for the eval() builtin function to evaluate expressions and
- * obtain their value. It wraps the expression in parentheses such
- * that object literals are really evaluated to objects. Without the
- * wrapping, they are evaluated as block, and create syntax
- * errors. Also protects against other syntax errors in the eval()ed
- * code and returns null if the eval throws an exception.
- *
- * @param {String} expr
- * @return {Object|Null}
- */
-function jsEval(expr) {
- try {
- return eval('[' + expr + '][0]');
- } catch (e) {
- return null;
- }
-}
-
-
-/**
- * Wrapper for the eval() builtin function to execute statements. This
- * guards against exceptions thrown, but doesn't return a
- * value. Still, mostly for testability, it returns a boolean to
- * indicate whether execution was successful. NOTE:
- * javascript's eval semantics is murky in that it confounds
- * expression evaluation and statement execution into a single
- * construct. Cf. jsEval().
- *
- * @param {String} stmt
- * @return {Boolean}
- */
-function jsExec(stmt) {
- try {
- eval(stmt);
- return true;
- } catch (e) {
- return false;
- }
-}
-
-
-/**
- * Wrapper for eval with a context. NOTE: The style guide
- * deprecates eval, so this is the exception that proves the
- * rule. Notice also that since the value of the expression is
- * returned rather than assigned to a local variable, one major
- * objection aganist the use of the with() statement, namely that
- * properties of the with() target override local variables of the
- * same name, is void here.
- *
- * @param {String} expr
- * @param {Object} context
- * @return {Object|Null}
- */
-function jsEvalWith(expr, context) {
- try {
- with (context) {
- return eval('[' + expr + '][0]');
- }
- } catch (e) {
- return null;
- }
-}
-
-
-var DOM_ELEMENT_NODE = 1;
-var DOM_ATTRIBUTE_NODE = 2;
-var DOM_TEXT_NODE = 3;
-var DOM_CDATA_SECTION_NODE = 4;
-var DOM_ENTITY_REFERENCE_NODE = 5;
-var DOM_ENTITY_NODE = 6;
-var DOM_PROCESSING_INSTRUCTION_NODE = 7;
-var DOM_COMMENT_NODE = 8;
-var DOM_DOCUMENT_NODE = 9;
-var DOM_DOCUMENT_TYPE_NODE = 10;
-var DOM_DOCUMENT_FRAGMENT_NODE = 11;
-var DOM_NOTATION_NODE = 12;
-
-/**
- * Traverses the element nodes in the DOM tree underneath the given
- * node and finds the first node with elemId, or null if there is no such
- * element. Traversal is in depth-first order.
- *
- * NOTE: The reason this is not combined with the elem() function is
- * that the implementations are different.
- * elem() is a wrapper for the built-in document.getElementById() function,
- * whereas this function performs the traversal itself.
- * Modifying elem() to take an optional root node is a possibility,
- * but the in-built function would perform better than using our own traversal.
- *
- * @param {Element} node Root element of subtree to traverse.
- * @param {String} elemId The id of the element to search for.
- * @return {Element|Null} The corresponding element, or null if not found.
- */
-function nodeGetElementById(node, elemId) {
- for (var c = node.firstChild; c; c = c.nextSibling) {
- if (c.id == elemId) {
- return c;
- }
- if (c.nodeType == DOM_ELEMENT_NODE) {
- var n = arguments.callee.call(this, c, elemId);
- if (n) {
- return n;
- }
- }
- }
- return null;
-}
-
-
-/**
- * Get an attribute from the DOM. Simple redirect, exists to compress code.
- *
- * @param {Element} node Element to interrogate.
- * @param {String} name Name of parameter to extract.
- * @return {String} Resulting attribute.
- */
-function domGetAttribute(node, name) {
- return node.getAttribute(name);
-}
-
-/**
- * Set an attribute in the DOM. Simple redirect to compress code.
- *
- * @param {Element} node Element to interrogate.
- * @param {String} name Name of parameter to set.
- * @param {String} value Set attribute to this value.
- */
-function domSetAttribute(node, name, value) {
- node.setAttribute(name, value);
-}
-
-/**
- * Remove an attribute from the DOM. Simple redirect to compress code.
- *
- * @param {Element} node Element to interrogate.
- * @param {String} name Name of parameter to remove.
- */
-function domRemoveAttribute(node, name) {
- node.removeAttribute(name);
-}
-
-/**
- * Clone a node in the DOM.
- *
- * @param {Node} node Node to clone.
- * @return {Node} Cloned node.
- */
-function domCloneNode(node) {
- return node.cloneNode(true);
-}
-
-
-/**
- * Return a safe string for the className of a node.
- * If className is not a string, returns "".
- *
- * @param {Element} node DOM element to query.
- * @return {String}
- */
-function domClassName(node) {
- return node.className ? "" + node.className : "";
-}
-
-/**
- * Adds a class name to the class attribute of the given node.
- *
- * @param {Element} node DOM element to modify.
- * @param {String} className Class name to add.
- */
-function domAddClass(node, className) {
- var name = domClassName(node);
- if (name) {
- var cn = name.split(/\s+/);
- var found = false;
- for (var i = 0; i < jsLength(cn); ++i) {
- if (cn[i] == className) {
- found = true;
- break;
- }
- }
-
- if (!found) {
- cn.push(className);
- }
-
- node.className = cn.join(' ');
- } else {
- node.className = className;
- }
-}
-
-/**
- * Removes a class name from the class attribute of the given node.
- *
- * @param {Element} node DOM element to modify.
- * @param {String} className Class name to remove.
- */
-function domRemoveClass(node, className) {
- var c = domClassName(node);
- if (!c || c.indexOf(className) == -1) {
- return;
- }
- var cn = c.split(/\s+/);
- for (var i = 0; i < jsLength(cn); ++i) {
- if (cn[i] == className) {
- cn.splice(i--, 1);
- }
- }
- node.className = cn.join(' ');
-}
-
-/**
- * Checks if a node belongs to a style class.
- *
- * @param {Element} node DOM element to test.
- * @param {String} className Class name to check for.
- * @return {Boolean} Node belongs to style class.
- */
-function domTestClass(node, className) {
- var cn = domClassName(node).split(/\s+/);
- for (var i = 0; i < jsLength(cn); ++i) {
- if (cn[i] == className) {
- return true;
- }
- }
- return false;
-}
-
-/**
- * Inserts a new child before a given sibling.
- *
- * @param {Node} newChild Node to insert.
- * @param {Node} oldChild Sibling node.
- * @return {Node} Reference to new child.
- */
-function domInsertBefore(newChild, oldChild) {
- return oldChild.parentNode.insertBefore(newChild, oldChild);
-}
-
-/**
- * Appends a new child to the specified (parent) node.
- *
- * @param {Element} node Parent element.
- * @param {Node} child Child node to append.
- * @return {Node} Newly appended node.
- */
-function domAppendChild(node, child) {
- return node.appendChild(child);
-}
-
-/**
- * Remove a new child from the specified (parent) node.
- *
- * @param {Element} node Parent element.
- * @param {Node} child Child node to remove.
- * @return {Node} Removed node.
- */
-function domRemoveChild(node, child) {
- return node.removeChild(child);
-}
-
-/**
- * Replaces an old child node with a new child node.
- *
- * @param {Node} newChild New child to append.
- * @param {Node} oldChild Old child to remove.
- * @return {Node} Replaced node.
- */
-function domReplaceChild(newChild, oldChild) {
- return oldChild.parentNode.replaceChild(newChild, oldChild);
-}
-
-/**
- * Removes a node from the DOM.
- *
- * @param {Node} node The node to remove.
- * @return {Node} The removed node.
- */
-function domRemoveNode(node) {
- return domRemoveChild(node.parentNode, node);
-}
-
-/**
- * Creates a new text node in the given document.
- *
- * @param {Document} doc Target document.
- * @param {String} text Text composing new text node.
- * @return {Text} Newly constructed text node.
- */
-function domCreateTextNode(doc, text) {
- return doc.createTextNode(text);
-}
-
-/**
- * Creates a new node in the given document
- *
- * @param {Document} doc Target document.
- * @param {String} name Name of new element (i.e. the tag name)..
- * @return {Element} Newly constructed element.
- */
-function domCreateElement(doc, name) {
- return doc.createElement(name);
-}
-
-/**
- * Creates a new attribute in the given document.
- *
- * @param {Document} doc Target document.
- * @param {String} name Name of new attribute.
- * @return {Attr} Newly constructed attribute.
- */
-function domCreateAttribute(doc, name) {
- return doc.createAttribute(name);
-}
-
-/**
- * Creates a new comment in the given document.
- *
- * @param {Document} doc Target document.
- * @param {String} text Comment text.
- * @return {Comment} Newly constructed comment.
- */
-function domCreateComment(doc, text) {
- return doc.createComment(text);
-}
-
-/**
- * Creates a document fragment.
- *
- * @param {Document} doc Target document.
- * @return {DocumentFragment} Resulting document fragment node.
- */
-function domCreateDocumentFragment(doc) {
- return doc.createDocumentFragment();
-}
-
-/**
- * Redirect to document.getElementById
- *
- * @param {Document} doc Target document.
- * @param {String} id Id of requested node.
- * @return {Element|Null} Resulting element.
- */
-function domGetElementById(doc, id) {
- return doc.getElementById(id);
-}
-
-/**
- * Redirect to window.setInterval
- *
- * @param {Window} win Target window.
- * @param {Function} fun Callback function.
- * @param {Number} time Time in milliseconds.
- * @return {Object} Contract id.
- */
-function windowSetInterval(win, fun, time) {
- return win.setInterval(fun, time);
-}
-
-/**
- * Redirect to window.clearInterval
- *
- * @param {Window} win Target window.
- * @param {object} id Contract id.
- * @return {any} NOTE: Return type unknown?
- */
-function windowClearInterval(win, id) {
- return win.clearInterval(id);
-}
-
-/**
- * Determines whether one node is recursively contained in another.
- * @param parent The parent node.
- * @param child The node to look for in parent.
- * @return parent recursively contains child
- */
-function containsNode(parent, child) {
- while (parent != child && child.parentNode) {
- child = child.parentNode;
- }
- return parent == child;
-};
-/**
- * @fileoverview This file contains javascript utility functions that
- * do not depend on anything defined elsewhere.
- *
- */
-
-/**
- * Returns the value of the length property of the given object. Used
- * to reduce compiled code size.
- *
- * @param {Array | String} a The string or array to interrogate.
- * @return {Number} The value of the length property.
- */
-function jsLength(a) {
- return a.length;
-}
-
-var min = Math.min;
-var max = Math.max;
-var ceil = Math.ceil;
-var floor = Math.floor;
-var round = Math.round;
-var abs = Math.abs;
-
-/**
- * Copies all properties from second object to the first. Modifies to.
- *
- * @param {Object} to The target object.
- * @param {Object} from The source object.
- */
-function copyProperties(to, from) {
- foreachin(from, function(p) {
- to[p] = from[p];
- });
-}
-
-/**
- * Iterates over the array, calling the given function for each
- * element.
- *
- * @param {Array} array
- * @param {Function} fn
- */
-function foreach(array, fn) {
- var I = jsLength(array);
- for (var i = 0; i < I; ++i) {
- fn(array[i], i);
- }
-}
-
-/**
- * Safely iterates over all properties of the given object, calling
- * the given function for each property. If opt_all isn't true, uses
- * hasOwnProperty() to assure the property is on the object, not on
- * its prototype.
- *
- * @param {Object} object
- * @param {Function} fn
- * @param {Boolean} opt_all If true, also iterates over inherited properties.
- */
-function foreachin(object, fn, opt_all) {
- for (var i in object) {
- if (opt_all || !object.hasOwnProperty || object.hasOwnProperty(i)) {
- fn(i, object[i]);
- }
- }
-}
-
-/**
- * Appends the second array to the first, copying its elements.
- * Optionally only a slice of the second array is copied.
- *
- * @param {Array} a1 Target array (modified).
- * @param {Array} a2 Source array.
- * @param {Number} opt_begin Begin of slice of second array (optional).
- * @param {Number} opt_end End (exclusive) of slice of second array (optional).
- */
-function arrayAppend(a1, a2, opt_begin, opt_end) {
- var i0 = opt_begin || 0;
- var i1 = opt_end || jsLength(a2);
- for (var i = i0; i < i1; ++i) {
- a1.push(a2[i]);
- }
-}
-
-/**
- * Trim whitespace from begin and end of string.
- *
- * @see testStringTrim();
- *
- * @param {String} str Input string.
- * @return {String} Trimmed string.
- */
-function stringTrim(str) {
- return stringTrimRight(stringTrimLeft(str));
-}
-
-/**
- * Trim whitespace from beginning of string.
- *
- * @see testStringTrimLeft();
- *
- * @param {String} str Input string.
- * @return {String} Trimmed string.
- */
-function stringTrimLeft(str) {
- return str.replace(/^\s+/, "");
-}
-
-/**
- * Trim whitespace from end of string.
- *
- * @see testStringTrimRight();
- *
- * @param {String} str Input string.
- * @return {String} Trimmed string.
- */
-function stringTrimRight(str) {
- return str.replace(/\s+$/, "");
-}
-
-/**
- * Jscompiler wrapper for parseInt() with base 10.
- *
- * @param {String} s String repersentation of a number.
- *
- * @return {Number} The integer contained in s, converted on base 10.
- */
-function parseInt10(s) {
- return parseInt(s, 10);
-}
-/**
- * @fileoverview A simple formatter to project JavaScript data into
- * HTML templates. The template is edited in place. I.e. in order to
- * instantiate a template, clone it from the DOM first, and then
- * process the cloned template. This allows for updating of templates:
- * If the templates is processed again, changed values are merely
- * updated.
- *
- * NOTE: IE DOM doesn't have importNode().
- *
- * NOTE: The property name "length" must not be used in input
- * data, see comment in jstSelect_().
- */
-
-
-/**
- * Names of jstemplate attributes. These attributes are attached to
- * normal HTML elements and bind expression context data to the HTML
- * fragment that is used as template.
- */
-var ATT_select = 'jsselect';
-var ATT_instance = 'jsinstance';
-var ATT_display = 'jsdisplay';
-var ATT_values = 'jsvalues';
-var ATT_eval = 'jseval';
-var ATT_transclude = 'transclude';
-var ATT_content = 'jscontent';
-
-
-/**
- * Names of special variables defined by the jstemplate evaluation
- * context. These can be used in js expression in jstemplate
- * attributes.
- */
-var VAR_index = '$index';
-var VAR_this = '$this';
-
-
-/**
- * Context for processing a jstemplate. The context contains a context
- * object, whose properties can be referred to in jstemplate
- * expressions, and it holds the locally defined variables.
- *
- * @param {Object} opt_data The context object. Null if no context.
- *
- * @param {Object} opt_parent The parent context, from which local
- * variables are inherited. Normally the context object of the parent
- * context is the object whose property the parent object is. Null for the
- * context of the root object.
- *
- * @constructor
- */
-function JsExprContext(opt_data, opt_parent) {
- var me = this;
-
- /**
- * The local context of the input data in which the jstemplate
- * expressions are evaluated. Notice that this is usually an Object,
- * but it can also be a scalar value (and then still the expression
- * $this can be used to refer to it). Notice this can be a scalar
- * value, including undefined.
- *
- * @type {Object}
- */
- me.data_ = opt_data;
-
- /**
- * The context for variable definitions in which the jstemplate
- * expressions are evaluated. Other than for the local context,
- * which replaces the parent context, variable definitions of the
- * parent are inherited. The special variable $this points to data_.
- *
- * @type {Object}
- */
- me.vars_ = {};
- if (opt_parent) {
- copyProperties(me.vars_, opt_parent.vars_);
- }
- this.vars_[VAR_this] = me.data_;
-}
-
-
-/**
- * Evaluates the given expression in the context of the current
- * context object and the current local variables.
- *
- * @param {String} expr A javascript expression.
- *
- * @param {Element} template DOM node of the template.
- *
- * @return The value of that expression.
- */
-JsExprContext.prototype.jseval = function(expr, template) {
- with (this.vars_) {
- with (this.data_) {
- try {
- return (function() {
- return eval('[' + expr + '][0]');
- }).call(template);
- } catch (e) {
- return null;
- }
- }
- }
-}
-
-
-/**
- * Clones the current context for a new context object. The cloned
- * context has the data object as its context object and the current
- * context as its parent context. It also sets the $index variable to
- * the given value. This value usually is the position of the data
- * object in a list for which a template is instantiated multiply.
- *
- * @param {Object} data The new context object.
- *
- * @param {Number} index Position of the new context when multiply
- * instantiated. (See implementation of jstSelect().)
- *
- * @return {JsExprContext}
- */
-JsExprContext.prototype.clone = function(data, index) {
- var ret = new JsExprContext(data, this);
- ret.setVariable(VAR_index, index);
- if (this.resolver_) {
- ret.setSubTemplateResolver(this.resolver_);
- }
- return ret;
-}
-
-
-/**
- * Binds a local variable to the given value. If set from jstemplate
- * jsvalue expressions, variable names must start with $, but in the
- * API they only have to be valid javascript identifier.
- *
- * @param {String} name
- *
- * @param {Object} value
- */
-JsExprContext.prototype.setVariable = function(name, value) {
- this.vars_[name] = value;
-}
-
-
-/**
- * Sets the function used to resolve the values of the transclude
- * attribute into DOM nodes. By default, this is jstGetTemplate(). The
- * value set here is inherited by clones of this context.
- *
- * @param {Function} resolver The function used to resolve transclude
- * ids into a DOM node of a subtemplate. The DOM node returned by this
- * function will be inserted into the template instance being
- * processed. Thus, the resolver function must instantiate the
- * subtemplate as necessary.
- */
-JsExprContext.prototype.setSubTemplateResolver = function(resolver) {
- this.resolver_ = resolver;
-}
-
-
-/**
- * Resolves a sub template from an id. Used to process the transclude
- * attribute. If a resolver function was set using
- * setSubTemplateResolver(), it will be used, otherwise
- * jstGetTemplate().
- *
- * @param {String} id The id of the sub template.
- *
- * @return {Node} The root DOM node of the sub template, for direct
- * insertion into the currently processed template instance.
- */
-JsExprContext.prototype.getSubTemplate = function(id) {
- return (this.resolver_ || jstGetTemplate).call(this, id);
-}
-
-
-/**
- * HTML template processor. Data values are bound to HTML templates
- * using the attributes transclude, jsselect, jsdisplay, jscontent,
- * jsvalues. The template is modifed in place. The values of those
- * attributes are JavaScript expressions that are evaluated in the
- * context of the data object fragment.
- *
- * @param {JsExprContext} context Context created from the input data
- * object.
- *
- * @param {Element} template DOM node of the template. This will be
- * processed in place. After processing, it will still be a valid
- * template that, if processed again with the same data, will remain
- * unchanged.
- */
-function jstProcess(context, template) {
- var processor = new JstProcessor();
- processor.run_([ processor, processor.jstProcess_, context, template ]);
-}
-
-
-/**
- * Internal class used by jstemplates to maintain context.
- * NOTE: This is necessary to process deep templates in Safari
- * which has a relatively shallow stack.
- * @class
- */
-function JstProcessor() {
-}
-
-
-/**
- * Runs the state machine, beginning with function "start".
- *
- * @param {Array} start The first function to run, in the form
- * [object, method, args ...]
- */
-JstProcessor.prototype.run_ = function(start) {
- var me = this;
-
- me.queue_ = [ start ];
- while (jsLength(me.queue_)) {
- var f = me.queue_.shift();
- f[1].apply(f[0], f.slice(2));
- }
-}
-
-
-/**
- * Appends a function to be called later.
- * Analogous to calling that function on a subsequent line, or a subsequent
- * iteration of a loop.
- *
- * @param {Array} f A function in the form [object, method, args ...]
- */
-JstProcessor.prototype.enqueue_ = function(f) {
- this.queue_.push(f);
-}
-
-
-/**
- * Implements internals of jstProcess.
- *
- * @param {JsExprContext} context
- *
- * @param {Element} template
- */
-JstProcessor.prototype.jstProcess_ = function(context, template) {
- var me = this;
-
- var transclude = domGetAttribute(template, ATT_transclude);
- if (transclude) {
- var tr = context.getSubTemplate(transclude);
- if (tr) {
- domReplaceChild(tr, template);
- me.enqueue_([ me, me.jstProcess_, context, tr ]);
- } else {
- domRemoveNode(template);
- }
- return;
- }
-
- var select = domGetAttribute(template, ATT_select);
- if (select) {
- me.jstSelect_(context, template, select);
- return;
- }
-
- var display = domGetAttribute(template, ATT_display);
- if (display) {
- if (!context.jseval(display, template)) {
- displayNone(template);
- return;
- }
-
- displayDefault(template);
- }
-
-
- var values = domGetAttribute(template, ATT_values);
- if (values) {
- me.jstValues_(context, template, values);
- }
-
- var expressions = domGetAttribute(template, ATT_eval);
- if (expressions) {
- foreach(expressions.split(/\s*;\s*/), function(expression) {
- expression = stringTrim(expression);
- if (jsLength(expression)) {
- context.jseval(expression, template);
- }
- });
- }
-
- var content = domGetAttribute(template, ATT_content);
- if (content) {
- me.jstContent_(context, template, content);
-
- } else {
- var childnodes = [];
- for (var i = 0; i < jsLength(template.childNodes); ++i) {
- if (template.childNodes[i].nodeType == DOM_ELEMENT_NODE) {
- me.enqueue_(
- [ me, me.jstProcess_, context, template.childNodes[i] ]);
- }
- }
- }
-}
-
-
-/**
- * Implements the jsselect attribute: evalutes the value of the
- * jsselect attribute in the current context, with the current
- * variable bindings (see JsExprContext.jseval()). If the value is an
- * array, the current template node is multiplied once for every
- * element in the array, with the array element being the context
- * object. If the array is empty, or the value is undefined, then the
- * current template node is dropped. If the value is not an array,
- * then it is just made the context object.
- *
- * @param {JsExprContext} context The current evaluation context.
- *
- * @param {Element} template The currently processed node of the template.
- *
- * @param {String} select The javascript expression to evaluate.
- *
- * @param {Function} process The function to continue processing with.
- */
-JstProcessor.prototype.jstSelect_ = function(context, template, select) {
- var me = this;
-
- var value = context.jseval(select, template);
- domRemoveAttribute(template, ATT_select);
-
- var instance = domGetAttribute(template, ATT_instance);
- var instance_last = false;
- if (instance) {
- if (instance.charAt(0) == '*') {
- instance = parseInt10(instance.substr(1));
- instance_last = true;
- } else {
- instance = parseInt10(instance);
- }
- }
-
- var multiple = (value !== null &&
- typeof value == 'object' &&
- typeof value.length == 'number');
- var multiple_empty = (multiple && value.length == 0);
-
- if (multiple) {
- if (multiple_empty) {
- if (!instance) {
- domSetAttribute(template, ATT_select, select);
- domSetAttribute(template, ATT_instance, '*0');
- displayNone(template);
- } else {
- domRemoveNode(template);
- }
-
- } else {
- displayDefault(template);
- if (instance === null || instance === "" || instance === undefined ||
- (instance_last && instance < jsLength(value) - 1)) {
- var templatenodes = [];
- var instances_start = instance || 0;
- for (var i = instances_start + 1; i < jsLength(value); ++i) {
- var node = domCloneNode(template);
- templatenodes.push(node);
- domInsertBefore(node, template);
- }
- templatenodes.push(template);
-
- for (var i = 0; i < jsLength(templatenodes); ++i) {
- var ii = i + instances_start;
- var v = value[ii];
- var t = templatenodes[i];
-
- me.enqueue_([ me, me.jstProcess_, context.clone(v, ii), t ]);
- var instanceStr = (ii == jsLength(value) - 1 ? '*' : '') + ii;
- me.enqueue_(
- [ null, postProcessMultiple_, t, select, instanceStr ]);
- }
-
- } else if (instance < jsLength(value)) {
- var v = value[instance];
-
- me.enqueue_(
- [me, me.jstProcess_, context.clone(v, instance), template]);
- var instanceStr = (instance == jsLength(value) - 1 ? '*' : '')
- + instance;
- me.enqueue_(
- [ null, postProcessMultiple_, template, select, instanceStr ]);
- } else {
- domRemoveNode(template);
- }
- }
- } else {
- if (value == null) {
- domSetAttribute(template, ATT_select, select);
- displayNone(template);
- } else {
- me.enqueue_(
- [ me, me.jstProcess_, context.clone(value, 0), template ]);
- me.enqueue_(
- [ null, postProcessSingle_, template, select ]);
- }
- }
-}
-
-
-/**
- * Sets ATT_select and ATT_instance following recursion to jstProcess.
- *
- * @param {Element} template The template
- *
- * @param {String} select The jsselect string
- *
- * @param {String} instanceStr The new value for the jsinstance attribute
- */
-function postProcessMultiple_(template, select, instanceStr) {
- domSetAttribute(template, ATT_select, select);
- domSetAttribute(template, ATT_instance, instanceStr);
-}
-
-
-/**
- * Sets ATT_select and makes the element visible following recursion to
- * jstProcess.
- *
- * @param {Element} template The template
- *
- * @param {String} select The jsselect string
- */
-function postProcessSingle_(template, select) {
- domSetAttribute(template, ATT_select, select);
- displayDefault(template);
-}
-
-
-/**
- * Implements the jsvalues attribute: evaluates each of the values and
- * assigns them to variables in the current context (if the name
- * starts with '$', javascript properties of the current template node
- * (if the name starts with '.'), or DOM attributes of the current
- * template node (otherwise). Since DOM attribute values are always
- * strings, the value is coerced to string in the latter case,
- * otherwise it's the uncoerced javascript value.
- *
- * @param {JsExprContext} context Current evaluation context.
- *
- * @param {Element} template Currently processed template node.
- *
- * @param {String} valuesStr Value of the jsvalues attribute to be
- * processed.
- */
-JstProcessor.prototype.jstValues_ = function(context, template, valuesStr) {
- var values = valuesStr.split(/\s*;\s*/);
- for (var i = 0; i < jsLength(values); ++i) {
- var colon = values[i].indexOf(':');
- if (colon < 0) {
- continue;
- }
- var label = stringTrim(values[i].substr(0, colon));
- var value = context.jseval(values[i].substr(colon + 1), template);
-
- if (label.charAt(0) == '$') {
- context.setVariable(label, value);
-
- } else if (label.charAt(0) == '.') {
- var nameSpaceLabel = label.substr(1).split('.');
- var nameSpaceObject = template;
- var nameSpaceDepth = jsLength(nameSpaceLabel);
- for (var j = 0, J = nameSpaceDepth - 1; j < J; ++j) {
- var jLabel = nameSpaceLabel[j];
- if (!nameSpaceObject[jLabel]) {
- nameSpaceObject[jLabel] = {};
- }
- nameSpaceObject = nameSpaceObject[jLabel];
- }
- nameSpaceObject[nameSpaceLabel[nameSpaceDepth - 1]] = value;
- } else if (label) {
- if (typeof value == 'boolean') {
- if (value) {
- domSetAttribute(template, label, label);
- } else {
- domRemoveAttribute(template, label);
- }
- } else {
- domSetAttribute(template, label, '' + value);
- }
- }
- }
-}
-
-
-/**
- * Implements the jscontent attribute. Evalutes the expression in
- * jscontent in the current context and with the current variables,
- * and assigns its string value to the content of the current template
- * node.
- *
- * @param {JsExprContext} context Current evaluation context.
- *
- * @param {Element} template Currently processed template node.
- *
- * @param {String} content Value of the jscontent attribute to be
- * processed.
- */
-JstProcessor.prototype.jstContent_ = function(context, template, content) {
- var value = '' + context.jseval(content, template);
- if (template.innerHTML == value) {
- return;
- }
- while (template.firstChild) {
- domRemoveNode(template.firstChild);
- }
- var t = domCreateTextNode(ownerDocument(template), value);
- domAppendChild(template, t);
-}
-
-
-/**
- * Helps to implement the transclude attribute, and is the initial
- * call to get hold of a template from its ID.
- *
- * @param {String} name The ID of the HTML element used as template.
- *
- * @returns {Element} The DOM node of the template. (Only element
- * nodes can be found by ID, hence it's a Element.)
- */
-function jstGetTemplate(name) {
- var section = domGetElementById(document, name);
- if (section) {
- var ret = domCloneNode(section);
- domRemoveAttribute(ret, 'id');
- return ret;
- } else {
- return null;
- }
-}
-
-window['jstGetTemplate'] = jstGetTemplate;
-window['jstProcess'] = jstProcess;
-window['JsExprContext'] = JsExprContext;
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