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