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public/tinymce/classes/html/Writer.js

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+/**
+ * Writer.js
+ *
+ * Copyright, Moxiecode Systems AB
+ * Released under LGPL License.
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+/**
+ * This class is used to write HTML tags out it can be used with the Serializer or the SaxParser.
+ *
+ * @class tinymce.html.Writer
+ * @example
+ * var writer = new tinymce.html.Writer({indent: true});
+ * var parser = new tinymce.html.SaxParser(writer).parse('<p><br></p>');
+ * console.log(writer.getContent());
+ *
+ * @class tinymce.html.Writer
+ * @version 3.4
+ */
+define("tinymce/html/Writer", [
+	"tinymce/html/Entities",
+	"tinymce/util/Tools"
+], function(Entities, Tools) {
+	var makeMap = Tools.makeMap;
+
+	/**
+	 * Constructs a new Writer instance.
+	 *
+	 * @constructor
+	 * @method Writer
+	 * @param {Object} settings Name/value settings object.
+	 */
+	return function(settings) {
+		var html = [], indent, indentBefore, indentAfter, encode, htmlOutput;
+
+		settings = settings || {};
+		indent = settings.indent;
+		indentBefore = makeMap(settings.indent_before || '');
+		indentAfter = makeMap(settings.indent_after || '');
+		encode = Entities.getEncodeFunc(settings.entity_encoding || 'raw', settings.entities);
+		htmlOutput = settings.element_format == "html";
+
+		return {
+			/**
+			 * Writes the a start element such as <p id="a">.
+			 *
+			 * @method start
+			 * @param {String} name Name of the element.
+			 * @param {Array} attrs Optional attribute array or undefined if it hasn't any.
+			 * @param {Boolean} empty Optional empty state if the tag should end like <br />.
+			 */
+			start: function(name, attrs, empty) {
+				var i, l, attr, value;
+
+				if (indent && indentBefore[name] && html.length > 0) {
+					value = html[html.length - 1];
+
+					if (value.length > 0 && value !== '\n') {
+						html.push('\n');
+					}
+				}
+
+				html.push('<', name);
+
+				if (attrs) {
+					for (i = 0, l = attrs.length; i < l; i++) {
+						attr = attrs[i];
+						html.push(' ', attr.name, '="', encode(attr.value, true), '"');
+					}
+				}
+
+				if (!empty || htmlOutput) {
+					html[html.length] = '>';
+				} else {
+					html[html.length] = ' />';
+				}
+
+				if (empty && indent && indentAfter[name] && html.length > 0) {
+					value = html[html.length - 1];
+
+					if (value.length > 0 && value !== '\n') {
+						html.push('\n');
+					}
+				}
+			},
+
+			/**
+			 * Writes the a end element such as </p>.
+			 *
+			 * @method end
+			 * @param {String} name Name of the element.
+			 */
+			end: function(name) {
+				var value;
+
+				/*if (indent && indentBefore[name] && html.length > 0) {
+					value = html[html.length - 1];
+
+					if (value.length > 0 && value !== '\n')
+						html.push('\n');
+				}*/
+
+				html.push('</', name, '>');
+
+				if (indent && indentAfter[name] && html.length > 0) {
+					value = html[html.length - 1];
+
+					if (value.length > 0 && value !== '\n') {
+						html.push('\n');
+					}
+				}
+			},
+
+			/**
+			 * Writes a text node.
+			 *
+			 * @method text
+			 * @param {String} text String to write out.
+			 * @param {Boolean} raw Optional raw state if true the contents wont get encoded.
+			 */
+			text: function(text, raw) {
+				if (text.length > 0) {
+					html[html.length] = raw ? text : encode(text);
+				}
+			},
+
+			/**
+			 * Writes a cdata node such as <![CDATA[data]]>.
+			 *
+			 * @method cdata
+			 * @param {String} text String to write out inside the cdata.
+			 */
+			cdata: function(text) {
+				html.push('<![CDATA[', text, ']]>');
+			},
+
+			/**
+			 * Writes a comment node such as <!-- Comment -->.
+			 *
+			 * @method cdata
+			 * @param {String} text String to write out inside the comment.
+			 */
+			comment: function(text) {
+				html.push('<!--', text, '-->');
+			},
+
+			/**
+			 * Writes a PI node such as <?xml attr="value" ?>.
+			 *
+			 * @method pi
+			 * @param {String} name Name of the pi.
+			 * @param {String} text String to write out inside the pi.
+			 */
+			pi: function(name, text) {
+				if (text) {
+					html.push('<?', name, ' ', text, '?>');
+				} else {
+					html.push('<?', name, '?>');
+				}
+
+				if (indent) {
+					html.push('\n');
+				}
+			},
+
+			/**
+			 * Writes a doctype node such as <!DOCTYPE data>.
+			 *
+			 * @method doctype
+			 * @param {String} text String to write out inside the doctype.
+			 */
+			doctype: function(text) {
+				html.push('<!DOCTYPE', text, '>', indent ? '\n' : '');
+			},
+
+			/**
+			 * Resets the internal buffer if one wants to reuse the writer.
+			 *
+			 * @method reset
+			 */
+			reset: function() {
+				html.length = 0;
+			},
+
+			/**
+			 * Returns the contents that got serialized.
+			 *
+			 * @method getContent
+			 * @return {String} HTML contents that got written down.
+			 */
+			getContent: function() {
+				return html.join('').replace(/\n$/, '');
+			}
+		};
+	};
+});