[3019] | 1 | /*
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| 2 | Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
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| 3 | For licensing, see LICENSE.html or http://ckeditor.com/license
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| 4 | */
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| 5 |
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| 6 | /**
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| 7 | * A lightweight representation of an HTML element.
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| 8 | * @param {String} name The element name.
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| 9 | * @param {Object} attributes And object holding all attributes defined for
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| 10 | * this element.
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| 11 | * @constructor
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| 12 | * @example
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| 13 | */
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| 14 | CKEDITOR.htmlParser.element = function( name, attributes )
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| 15 | {
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| 16 | /**
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| 17 | * The element name.
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| 18 | * @type String
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| 19 | * @example
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| 20 | */
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| 21 | this.name = name;
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| 22 |
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| 23 | /**
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| 24 | * Holds the attributes defined for this element.
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| 25 | * @type Object
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| 26 | * @example
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| 27 | */
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| 28 | this.attributes = attributes;
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| 29 |
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| 30 | /**
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| 31 | * The nodes that are direct children of this element.
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| 32 | * @type Array
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| 33 | * @example
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| 34 | */
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| 35 | this.children = [];
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| 36 |
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| 37 | var dtd = CKEDITOR.dtd,
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| 38 | isBlockLike = !!( dtd.$block[ name ] || dtd.$listItem[ name ] || dtd.$tableContent[ name ] ),
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| 39 | isEmpty = !!dtd.$empty[ name ];
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| 40 |
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| 41 | this.isEmpty = isEmpty;
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| 42 | this.isUnknown = !dtd[ name ];
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| 43 |
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| 44 | /** @private */
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| 45 | this._ =
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| 46 | {
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| 47 | isBlockLike : isBlockLike,
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| 48 | hasInlineStarted : isEmpty || !isBlockLike
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| 49 | };
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| 50 | };
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| 51 |
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| 52 | (function()
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| 53 | {
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| 54 | // Used to sort attribute entries in an array, where the first element of
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| 55 | // each object is the attribute name.
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| 56 | var sortAttribs = function( a, b )
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| 57 | {
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| 58 | a = a[0];
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| 59 | b = b[0];
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| 60 | return a < b ? -1 : a > b ? 1 : 0;
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| 61 | };
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| 62 |
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| 63 | CKEDITOR.htmlParser.element.prototype =
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| 64 | {
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| 65 | /**
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| 66 | * The node type. This is a constant value set to {@link CKEDITOR.NODE_ELEMENT}.
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| 67 | * @type Number
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| 68 | * @example
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| 69 | */
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| 70 | type : CKEDITOR.NODE_ELEMENT,
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| 71 |
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| 72 | /**
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| 73 | * Adds a node to the element children list.
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| 74 | * @param {Object} node The node to be added. It can be any of of the
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| 75 | * following types: {@link CKEDITOR.htmlParser.element},
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| 76 | * {@link CKEDITOR.htmlParser.text} and
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| 77 | * {@link CKEDITOR.htmlParser.comment}.
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| 78 | * @function
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| 79 | * @example
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| 80 | */
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| 81 | add : CKEDITOR.htmlParser.fragment.prototype.add,
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| 82 |
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| 83 | /**
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| 84 | * Clone this element.
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| 85 | * @returns {CKEDITOR.htmlParser.element} The element clone.
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| 86 | * @example
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| 87 | */
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| 88 | clone : function()
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| 89 | {
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| 90 | return new CKEDITOR.htmlParser.element( this.name, this.attributes );
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| 91 | },
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| 92 |
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| 93 | /**
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| 94 | * Writes the element HTML to a CKEDITOR.htmlWriter.
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| 95 | * @param {CKEDITOR.htmlWriter} writer The writer to which write the HTML.
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| 96 | * @example
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| 97 | */
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| 98 | writeHtml : function( writer, filter )
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| 99 | {
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| 100 | var attributes = this.attributes;
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| 101 |
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| 102 | // The "_cke_replacedata" indicates that this element is replacing
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| 103 | // a data snippet, which should be outputted as is.
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| 104 | if ( attributes._cke_replacedata )
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| 105 | {
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| 106 | writer.write( attributes._cke_replacedata );
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| 107 | return;
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| 108 | }
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| 109 |
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| 110 | // Ignore cke: prefixes when writing HTML.
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| 111 | var element = this,
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| 112 | writeName = element.name,
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| 113 | a, value;
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| 114 |
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| 115 | if ( filter )
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| 116 | {
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| 117 | while ( true )
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| 118 | {
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| 119 | if ( !( writeName = filter.onElementName( writeName ) ) )
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| 120 | return;
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| 121 |
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| 122 | element.name = writeName;
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| 123 |
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| 124 | if ( !( element = filter.onElement( element ) ) )
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| 125 | return;
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| 126 |
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| 127 | if ( element.name == writeName )
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| 128 | break;
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| 129 |
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| 130 | writeName = element.name;
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| 131 | if ( !writeName ) // Send children.
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| 132 | {
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| 133 | CKEDITOR.htmlParser.fragment.prototype.writeHtml.apply( element, arguments );
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| 134 | return;
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| 135 | }
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| 136 | }
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| 137 |
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| 138 | // The element may have been changed, so update the local
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| 139 | // references.
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| 140 | attributes = element.attributes;
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| 141 | }
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| 142 |
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| 143 | // Open element tag.
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| 144 | writer.openTag( writeName, attributes );
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| 145 |
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| 146 | if ( writer.sortAttributes )
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| 147 | {
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| 148 | // Copy all attributes to an array.
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| 149 | var attribsArray = [];
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| 150 | for ( a in attributes )
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| 151 | {
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| 152 | value = attributes[ a ];
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| 153 |
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| 154 | if ( filter && ( !( a = filter.onAttributeName( a ) ) || ( value = filter.onAttribute( element, a, value ) ) === false ) )
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| 155 | continue;
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| 156 |
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| 157 | attribsArray.push( [ a, value ] );
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| 158 | }
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| 159 |
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| 160 | // Sort the attributes by name.
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| 161 | attribsArray.sort( sortAttribs );
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| 162 |
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| 163 | // Send the attributes.
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| 164 | for ( var i = 0, len = attribsArray.length ; i < len ; i++ )
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| 165 | {
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| 166 | var attrib = attribsArray[ i ];
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| 167 | writer.attribute( attrib[0], attrib[1] );
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| 168 | }
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| 169 | }
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| 170 | else
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| 171 | {
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| 172 | for ( a in attributes )
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| 173 | {
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| 174 | value = attributes[ a ];
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| 175 |
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| 176 | if ( filter && ( !( a = filter.onAttributeName( a ) ) || ( value = filter.onAttribute( element, a, value ) ) === false ) )
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| 177 | continue;
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| 178 |
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| 179 | writer.attribute( a, value );
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| 180 | }
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| 181 | }
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| 182 |
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| 183 | // Close the tag.
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| 184 | writer.openTagClose( writeName, element.isEmpty );
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| 185 |
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| 186 | if ( !element.isEmpty )
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| 187 | {
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| 188 | // Send children.
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| 189 | CKEDITOR.htmlParser.fragment.prototype.writeHtml.apply( element, arguments );
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| 190 |
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| 191 | // Close the element.
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| 192 | writer.closeTag( writeName );
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| 193 | }
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| 194 | }
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| 195 | };
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| 196 | })();
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