git.roojs.org Git - roojs1/blob - Roo/htmleditor/TidySerializer.js

   1
   2 /***
   3  * This is based loosely on tinymce
   4  * @class Roo.htmleditor.TidySerializer
   5  * https://github.com/thorn0/tinymce.html/blob/master/tinymce.html.js
   6  * @constructor
   7  * @method Serializer
   8  * @param {Object} settings Name/value settings object.
   9  * @param {tinymce.html.Schema} schema Schema instance to use.
  10  */
  11
  12
  13 Roo.htmleditor.TidySerializer = function(settings)
  14 {
  15     Roo.apply(this.settings);
  16
  17     this.writer = new Roo.htmleditor.TidyWriter(settings);
  18
  19     //settings.validate = !('validate' in settings) || settings.validate;
  20     //      self.schema = schema = schema || new Schema();
  21
  22 };
  23 Roo.apply(Roo.htmleditor.TidySerializer.prototype, {
  24
  25     /**
  26      * @param {boolean} inner do the inner of the node.
  27      */
  28     inner : false,
  29
  30     /**
  31     * Serializes the specified node into a string.
  32     *
  33     * @example
  34     * new tinymce.html.Serializer().serialize(new tinymce.html.DomParser().parse('<p>text</p>'));
  35     * @method serialize
  36     * @param {DomElement} node Node instance to serialize.
  37     * @return {String} String with HTML based on DOM tree.
  38     */
  39     serialize : function(node) {
  40
  41         // = settings.validate;
  42         var writer = this.writer;
  43         this.handlers = {
  44             // #text
  45             3: function(node) {
  46                 writer.text(node.value, node.raw);
  47             },
  48             // #comment
  49             8: function(node) {
  50                 writer.comment(node.value);
  51             },
  52             // Processing instruction
  53             7: function(node) {
  54                 writer.pi(node.name, node.value);
  55             },
  56             // Doctype
  57             10: function(node) {
  58                 writer.doctype(node.value);
  59             },
  60             // CDATA
  61             4: function(node) {
  62                 writer.cdata(node.value);
  63             },
  64             // Document fragment
  65             11: function(node) {
  66                 node = node.firstChild;
  67                 if (!node) {
  68                     return;
  69                 }
  70                 while(node) {
  71                     walk(node);
  72                     node = node.nextSibling
  73                 }
  74             }
  75         };
  76         writer.reset();
  77         1 != node.nodeType || this.inner ? handlers[11](node) : walk(node);
  78     return writer.getContent();
  79
  80     function walk(node) {
  81         var name, isEmpty, attrs, attrName, attrValue, sortedAttrs, i, l, elementRule, handler = handlers[node.type];
  82         if (handler) {
  83             handler(node);
  84         } else {
  85             name = node.name;
  86             isEmpty = node.shortEnded;
  87             attrs = node.attributes;
  88             // Sort attributes
  89             if (validate && attrs && attrs.length > 1) {
  90                 sortedAttrs = [];
  91                 sortedAttrs.map = {};
  92                 elementRule = schema.getElementRule(node.name);
  93                 if (elementRule) {
  94                     for (i = 0, l = elementRule.attributesOrder.length; i < l; i++) {
  95                         attrName = elementRule.attributesOrder[i];
  96                         if (attrName in attrs.map) {
  97                             attrValue = attrs.map[attrName];
  98                             sortedAttrs.map[attrName] = attrValue;
  99                             sortedAttrs.push({
 100                                 name: attrName,
 101                                 value: attrValue
 102                             });
 103                         }
 104                     }
 105                     for (i = 0, l = attrs.length; i < l; i++) {
 106                         attrName = attrs[i].name;
 107                         if (!(attrName in sortedAttrs.map)) {
 108                             attrValue = attrs.map[attrName];
 109                             sortedAttrs.map[attrName] = attrValue;
 110                             sortedAttrs.push({
 111                                 name: attrName,
 112                                 value: attrValue
 113                             });
 114                         }
 115                     }
 116                     attrs = sortedAttrs;
 117                 }
 118             }
 119             writer.start(node.name, attrs, isEmpty);
 120             if (!isEmpty) {
 121                 if (node = node.firstChild) {
 122                     do {
 123                         walk(node);
 124                     } while (node = node.next);
 125                 }
 126                 writer.end(name);
 127             }
 128         }
 129     }
 130     // Serialize element and treat all non elements as fragments
 131
 132 };
 133 };
 134