83 lines
2.2 KiB
JavaScript
83 lines
2.2 KiB
JavaScript
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var bindings = require('./bindings');
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/// create a new element on the given document
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/// @param doc the Document to create the element for
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/// @param name the element name
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/// @param {String} [contenn] element content
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/// @constructor
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function Element(doc, name, content) {
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if (!doc) {
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throw new Error('document argument required');
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} else if (! (doc instanceof bindings.Document)) {
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throw new Error('document argument must be an ' +
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'instance of Document');
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} else if (!name) {
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throw new Error('name argument required');
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}
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return new bindings.Element(doc, name, content);
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}
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Element.prototype = bindings.Element.prototype;
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Element.prototype.attr = function() {
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if (arguments.length === 1) {
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var arg = arguments[0];
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if (typeof arg === 'object') {
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// object setter
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// iterate keys/value to set attributes
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for (var k in arg) {
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this._attr(k, arg[k]);
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};
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return this;
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} else if (typeof arg === 'string') {
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// getter
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return this._attr(arg);
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}
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} else if (arguments.length === 2) {
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// 2 arg setter
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var name = arguments[0];
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var value = arguments[1];
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this._attr(name, value);
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return this;
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}
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};
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/// helper method to attach a new node to this element
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/// @param name the element name
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/// @param {String} [content] element content
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Element.prototype.node = function(name, content) {
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var elem = Element(this.doc(), name, content);
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this.addChild(elem);
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return elem;
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};
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/// helper method to attach a cdata to this element
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/// @param name the element name
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/// @param {String} [content] element content
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Element.prototype.cdata = function(content) {
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this.addCData(content);
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return this;
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};
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Element.prototype.get = function() {
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var res = this.find.apply(this, arguments);
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if (res instanceof Array) {
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return res[0];
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} else {
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return res;
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}
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};
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Element.prototype.defineNamespace = function(prefix, href) {
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// if no prefix specified
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if (!href) {
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href = prefix;
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prefix = null;
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}
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return new bindings.Namespace(this, prefix, href);
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};
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module.exports = Element;
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