[2862] | 1 | /*
|
---|
| 2 | Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.
|
---|
| 3 | For licensing, see LICENSE.html or http://ckeditor.com/license
|
---|
| 4 | */
|
---|
| 5 |
|
---|
| 6 | /**
|
---|
| 7 | * A lightweight representation of an HTML element.
|
---|
| 8 | * @param {String} name The element name.
|
---|
| 9 | * @param {Object} attributes And object holding all attributes defined for
|
---|
| 10 | * this element.
|
---|
| 11 | * @constructor
|
---|
| 12 | * @example
|
---|
| 13 | */
|
---|
| 14 | CKEDITOR.htmlParser.element = function( name, attributes )
|
---|
| 15 | {
|
---|
| 16 | /**
|
---|
| 17 | * The element name.
|
---|
| 18 | * @type String
|
---|
| 19 | * @example
|
---|
| 20 | */
|
---|
| 21 | this.name = name;
|
---|
| 22 |
|
---|
| 23 | /**
|
---|
| 24 | * Holds the attributes defined for this element.
|
---|
| 25 | * @type Object
|
---|
| 26 | * @example
|
---|
| 27 | */
|
---|
| 28 | this.attributes = attributes || ( attributes = {} );
|
---|
| 29 |
|
---|
| 30 | /**
|
---|
| 31 | * The nodes that are direct children of this element.
|
---|
| 32 | * @type Array
|
---|
| 33 | * @example
|
---|
| 34 | */
|
---|
| 35 | this.children = [];
|
---|
| 36 |
|
---|
| 37 | var tagName = attributes._cke_real_element_type || name;
|
---|
| 38 |
|
---|
| 39 | var dtd = CKEDITOR.dtd,
|
---|
| 40 | isBlockLike = !!( dtd.$nonBodyContent[ tagName ] || dtd.$block[ tagName ] || dtd.$listItem[ tagName ] || dtd.$tableContent[ tagName ] || dtd.$nonEditable[ tagName ] || tagName == 'br' ),
|
---|
| 41 | isEmpty = !!dtd.$empty[ name ];
|
---|
| 42 |
|
---|
| 43 | this.isEmpty = isEmpty;
|
---|
| 44 | this.isUnknown = !dtd[ name ];
|
---|
| 45 |
|
---|
| 46 | /** @private */
|
---|
| 47 | this._ =
|
---|
| 48 | {
|
---|
| 49 | isBlockLike : isBlockLike,
|
---|
| 50 | hasInlineStarted : isEmpty || !isBlockLike
|
---|
| 51 | };
|
---|
| 52 | };
|
---|
| 53 |
|
---|
| 54 | (function()
|
---|
| 55 | {
|
---|
| 56 | // Used to sort attribute entries in an array, where the first element of
|
---|
| 57 | // each object is the attribute name.
|
---|
| 58 | var sortAttribs = function( a, b )
|
---|
| 59 | {
|
---|
| 60 | a = a[0];
|
---|
| 61 | b = b[0];
|
---|
| 62 | return a < b ? -1 : a > b ? 1 : 0;
|
---|
| 63 | };
|
---|
| 64 |
|
---|
| 65 | CKEDITOR.htmlParser.element.prototype =
|
---|
| 66 | {
|
---|
| 67 | /**
|
---|
| 68 | * The node type. This is a constant value set to {@link CKEDITOR.NODE_ELEMENT}.
|
---|
| 69 | * @type Number
|
---|
| 70 | * @example
|
---|
| 71 | */
|
---|
| 72 | type : CKEDITOR.NODE_ELEMENT,
|
---|
| 73 |
|
---|
| 74 | /**
|
---|
| 75 | * Adds a node to the element children list.
|
---|
| 76 | * @param {Object} node The node to be added. It can be any of of the
|
---|
| 77 | * following types: {@link CKEDITOR.htmlParser.element},
|
---|
| 78 | * {@link CKEDITOR.htmlParser.text} and
|
---|
| 79 | * {@link CKEDITOR.htmlParser.comment}.
|
---|
| 80 | * @function
|
---|
| 81 | * @example
|
---|
| 82 | */
|
---|
| 83 | add : CKEDITOR.htmlParser.fragment.prototype.add,
|
---|
| 84 |
|
---|
| 85 | /**
|
---|
| 86 | * Clone this element.
|
---|
| 87 | * @returns {CKEDITOR.htmlParser.element} The element clone.
|
---|
| 88 | * @example
|
---|
| 89 | */
|
---|
| 90 | clone : function()
|
---|
| 91 | {
|
---|
| 92 | return new CKEDITOR.htmlParser.element( this.name, this.attributes );
|
---|
| 93 | },
|
---|
| 94 |
|
---|
| 95 | /**
|
---|
| 96 | * Writes the element HTML to a CKEDITOR.htmlWriter.
|
---|
| 97 | * @param {CKEDITOR.htmlWriter} writer The writer to which write the HTML.
|
---|
| 98 | * @example
|
---|
| 99 | */
|
---|
| 100 | writeHtml : function( writer, filter )
|
---|
| 101 | {
|
---|
| 102 | var attributes = this.attributes;
|
---|
| 103 |
|
---|
| 104 | // Ignore cke: prefixes when writing HTML.
|
---|
| 105 | var element = this,
|
---|
| 106 | writeName = element.name,
|
---|
| 107 | a, newAttrName, value;
|
---|
| 108 |
|
---|
| 109 | var isChildrenFiltered;
|
---|
| 110 |
|
---|
| 111 | /**
|
---|
| 112 | * Providing an option for bottom-up filtering order ( element
|
---|
| 113 | * children to be pre-filtered before the element itself ).
|
---|
| 114 | */
|
---|
| 115 | element.filterChildren = function()
|
---|
| 116 | {
|
---|
| 117 | if ( !isChildrenFiltered )
|
---|
| 118 | {
|
---|
| 119 | var writer = new CKEDITOR.htmlParser.basicWriter();
|
---|
| 120 | CKEDITOR.htmlParser.fragment.prototype.writeChildrenHtml.call( element, writer, filter );
|
---|
| 121 | element.children = new CKEDITOR.htmlParser.fragment.fromHtml( writer.getHtml() ).children;
|
---|
| 122 | isChildrenFiltered = 1;
|
---|
| 123 | }
|
---|
| 124 | };
|
---|
| 125 |
|
---|
| 126 | if ( filter )
|
---|
| 127 | {
|
---|
| 128 | while ( true )
|
---|
| 129 | {
|
---|
| 130 | if ( !( writeName = filter.onElementName( writeName ) ) )
|
---|
| 131 | return;
|
---|
| 132 |
|
---|
| 133 | element.name = writeName;
|
---|
| 134 |
|
---|
| 135 | if ( !( element = filter.onElement( element ) ) )
|
---|
| 136 | return;
|
---|
| 137 |
|
---|
| 138 | element.parent = this.parent;
|
---|
| 139 |
|
---|
| 140 | if ( element.name == writeName )
|
---|
| 141 | break;
|
---|
| 142 |
|
---|
| 143 | // If the element has been replaced with something of a
|
---|
| 144 | // different type, then make the replacement write itself.
|
---|
| 145 | if ( element.type != CKEDITOR.NODE_ELEMENT )
|
---|
| 146 | {
|
---|
| 147 | element.writeHtml( writer, filter );
|
---|
| 148 | return;
|
---|
| 149 | }
|
---|
| 150 |
|
---|
| 151 | writeName = element.name;
|
---|
| 152 |
|
---|
| 153 | // This indicate that the element has been dropped by
|
---|
| 154 | // filter but not the children.
|
---|
| 155 | if ( !writeName )
|
---|
| 156 | {
|
---|
| 157 | this.writeChildrenHtml.call( element, writer, isChildrenFiltered ? null : filter );
|
---|
| 158 | return;
|
---|
| 159 | }
|
---|
| 160 | }
|
---|
| 161 |
|
---|
| 162 | // The element may have been changed, so update the local
|
---|
| 163 | // references.
|
---|
| 164 | attributes = element.attributes;
|
---|
| 165 | }
|
---|
| 166 |
|
---|
| 167 | // Open element tag.
|
---|
| 168 | writer.openTag( writeName, attributes );
|
---|
| 169 |
|
---|
| 170 | // Copy all attributes to an array.
|
---|
| 171 | var attribsArray = [];
|
---|
| 172 | // Iterate over the attributes twice since filters may alter
|
---|
| 173 | // other attributes.
|
---|
| 174 | for ( var i = 0 ; i < 2; i++ )
|
---|
| 175 | {
|
---|
| 176 | for ( a in attributes )
|
---|
| 177 | if ( ! ( a in Object.prototype ) )
|
---|
| 178 | {
|
---|
| 179 | newAttrName = a;
|
---|
| 180 | value = attributes[ a ];
|
---|
| 181 | if ( i == 1 )
|
---|
| 182 | attribsArray.push( [ a, value ] );
|
---|
| 183 | else if ( filter )
|
---|
| 184 | {
|
---|
| 185 | while ( true )
|
---|
| 186 | {
|
---|
| 187 | if ( !( newAttrName = filter.onAttributeName( a ) ) )
|
---|
| 188 | {
|
---|
| 189 | delete attributes[ a ];
|
---|
| 190 | break;
|
---|
| 191 | }
|
---|
| 192 | else if ( newAttrName != a )
|
---|
| 193 | {
|
---|
| 194 | delete attributes[ a ];
|
---|
| 195 | a = newAttrName;
|
---|
| 196 | continue;
|
---|
| 197 | }
|
---|
| 198 | else
|
---|
| 199 | break;
|
---|
| 200 | }
|
---|
| 201 | if ( newAttrName )
|
---|
| 202 | {
|
---|
| 203 | if ( ( value = filter.onAttribute( element, newAttrName, value ) ) === false )
|
---|
| 204 | delete attributes[ newAttrName ];
|
---|
| 205 | else
|
---|
| 206 | attributes [ newAttrName ] = value;
|
---|
| 207 | }
|
---|
| 208 | }
|
---|
| 209 | }
|
---|
| 210 | }
|
---|
| 211 | // Sort the attributes by name.
|
---|
| 212 | if ( writer.sortAttributes )
|
---|
| 213 | attribsArray.sort( sortAttribs );
|
---|
| 214 |
|
---|
| 215 | // Send the attributes.
|
---|
| 216 | var len = attribsArray.length;
|
---|
| 217 | for ( i = 0 ; i < len ; i++ )
|
---|
| 218 | {
|
---|
| 219 | var attrib = attribsArray[ i ];
|
---|
| 220 | writer.attribute( attrib[0], attrib[1] );
|
---|
| 221 | }
|
---|
| 222 |
|
---|
| 223 | // Close the tag.
|
---|
| 224 | writer.openTagClose( writeName, element.isEmpty );
|
---|
| 225 |
|
---|
| 226 | if ( !element.isEmpty )
|
---|
| 227 | {
|
---|
| 228 | this.writeChildrenHtml.call( element, writer, isChildrenFiltered ? null : filter );
|
---|
| 229 | // Close the element.
|
---|
| 230 | writer.closeTag( writeName );
|
---|
| 231 | }
|
---|
| 232 | },
|
---|
| 233 |
|
---|
| 234 | writeChildrenHtml : function( writer, filter )
|
---|
| 235 | {
|
---|
| 236 | // Send children.
|
---|
| 237 | CKEDITOR.htmlParser.fragment.prototype.writeChildrenHtml.apply( this, arguments );
|
---|
| 238 |
|
---|
| 239 | }
|
---|
| 240 | };
|
---|
| 241 | })();
|
---|