1 | /*
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2 | Copyright (c) 2003-2011, 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 || ( 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 tagName = attributes[ 'data-cke-real-element-type' ] || name || '';
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38 |
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39 | // Reveal the real semantic of our internal custom tag name (#6639).
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40 | var internalTag = tagName.match( /^cke:(.*)/ );
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41 | internalTag && ( tagName = internalTag[ 1 ] );
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42 |
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43 | var dtd = CKEDITOR.dtd,
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44 | isBlockLike = !!( dtd.$nonBodyContent[ tagName ]
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45 | || dtd.$block[ tagName ]
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46 | || dtd.$listItem[ tagName ]
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47 | || dtd.$tableContent[ tagName ]
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48 | || dtd.$nonEditable[ tagName ]
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49 | || tagName == 'br' ),
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50 | isEmpty = !!dtd.$empty[ name ];
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51 |
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52 | this.isEmpty = isEmpty;
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53 | this.isUnknown = !dtd[ name ];
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54 |
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55 | /** @private */
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56 | this._ =
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57 | {
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58 | isBlockLike : isBlockLike,
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59 | hasInlineStarted : isEmpty || !isBlockLike
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60 | };
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61 | };
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62 |
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63 | /**
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64 | * Object presentation of CSS style declaration text.
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65 | * @param {CKEDITOR.htmlParser.element|String} elementOrStyleText A html parser element or the inline style text.
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66 | */
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67 | CKEDITOR.htmlParser.cssStyle = function()
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68 | {
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69 | var styleText,
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70 | arg = arguments[ 0 ],
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71 | rules = {};
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72 |
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73 | styleText = arg instanceof CKEDITOR.htmlParser.element ? arg.attributes.style : arg;
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74 |
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75 | // html-encoded quote might be introduced by 'font-family'
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76 | // from MS-Word which confused the following regexp. e.g.
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77 | //'font-family: "Lucida, Console"'
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78 | ( styleText || '' )
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79 | .replace( /"/g, '"' )
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80 | .replace( /\s*([^ :;]+)\s*:\s*([^;]+)\s*(?=;|$)/g,
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81 | function( match, name, value )
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82 | {
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83 | name == 'font-family' && ( value = value.replace( /["']/g, '' ) );
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84 | rules[ name.toLowerCase() ] = value;
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85 | });
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86 |
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87 | return {
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88 |
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89 | rules : rules,
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90 |
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91 | /**
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92 | * Apply the styles onto the specified element or object.
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93 | * @param {CKEDITOR.htmlParser.element|CKEDITOR.dom.element|Object} obj
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94 | */
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95 | populate : function( obj )
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96 | {
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97 | var style = this.toString();
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98 | if ( style )
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99 | {
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100 | obj instanceof CKEDITOR.dom.element ?
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101 | obj.setAttribute( 'style', style ) :
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102 | obj instanceof CKEDITOR.htmlParser.element ?
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103 | obj.attributes.style = style :
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104 | obj.style = style;
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105 | }
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106 | },
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107 |
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108 | toString : function()
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109 | {
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110 | var output = [];
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111 | for ( var i in rules )
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112 | rules[ i ] && output.push( i, ':', rules[ i ], ';' );
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113 | return output.join( '' );
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114 | }
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115 | };
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116 | };
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117 |
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118 | (function()
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119 | {
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120 | // Used to sort attribute entries in an array, where the first element of
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121 | // each object is the attribute name.
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122 | var sortAttribs = function( a, b )
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123 | {
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124 | a = a[0];
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125 | b = b[0];
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126 | return a < b ? -1 : a > b ? 1 : 0;
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127 | };
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128 |
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129 | CKEDITOR.htmlParser.element.prototype =
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130 | {
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131 | /**
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132 | * The node type. This is a constant value set to {@link CKEDITOR.NODE_ELEMENT}.
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133 | * @type Number
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134 | * @example
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135 | */
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136 | type : CKEDITOR.NODE_ELEMENT,
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137 |
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138 | /**
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139 | * Adds a node to the element children list.
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140 | * @param {Object} node The node to be added. It can be any of of the
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141 | * following types: {@link CKEDITOR.htmlParser.element},
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142 | * {@link CKEDITOR.htmlParser.text} and
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143 | * {@link CKEDITOR.htmlParser.comment}.
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144 | * @function
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145 | * @example
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146 | */
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147 | add : CKEDITOR.htmlParser.fragment.prototype.add,
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148 |
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149 | /**
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150 | * Clone this element.
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151 | * @returns {CKEDITOR.htmlParser.element} The element clone.
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152 | * @example
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153 | */
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154 | clone : function()
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155 | {
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156 | return new CKEDITOR.htmlParser.element( this.name, this.attributes );
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157 | },
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158 |
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159 | /**
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160 | * Writes the element HTML to a CKEDITOR.htmlWriter.
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161 | * @param {CKEDITOR.htmlWriter} writer The writer to which write the HTML.
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162 | * @example
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163 | */
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164 | writeHtml : function( writer, filter )
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165 | {
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166 | var attributes = this.attributes;
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167 |
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168 | // Ignore cke: prefixes when writing HTML.
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169 | var element = this,
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170 | writeName = element.name,
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171 | a, newAttrName, value;
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172 |
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173 | var isChildrenFiltered;
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174 |
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175 | /**
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176 | * Providing an option for bottom-up filtering order ( element
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177 | * children to be pre-filtered before the element itself ).
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178 | */
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179 | element.filterChildren = function()
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180 | {
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181 | if ( !isChildrenFiltered )
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182 | {
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183 | var writer = new CKEDITOR.htmlParser.basicWriter();
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184 | CKEDITOR.htmlParser.fragment.prototype.writeChildrenHtml.call( element, writer, filter );
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185 | element.children = new CKEDITOR.htmlParser.fragment.fromHtml( writer.getHtml(), 0, element.clone() ).children;
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186 | isChildrenFiltered = 1;
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187 | }
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188 | };
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189 |
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190 | if ( filter )
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191 | {
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192 | while ( true )
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193 | {
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194 | if ( !( writeName = filter.onElementName( writeName ) ) )
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195 | return;
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196 |
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197 | element.name = writeName;
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198 |
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199 | if ( !( element = filter.onElement( element ) ) )
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200 | return;
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201 |
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202 | element.parent = this.parent;
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203 |
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204 | if ( element.name == writeName )
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205 | break;
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206 |
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207 | // If the element has been replaced with something of a
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208 | // different type, then make the replacement write itself.
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209 | if ( element.type != CKEDITOR.NODE_ELEMENT )
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210 | {
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211 | element.writeHtml( writer, filter );
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212 | return;
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213 | }
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214 |
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215 | writeName = element.name;
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216 |
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217 | // This indicate that the element has been dropped by
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218 | // filter but not the children.
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219 | if ( !writeName )
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220 | {
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221 | // Fix broken parent refs.
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222 | for ( var c = 0, length = this.children.length ; c < length ; c++ )
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223 | this.children[ c ].parent = element.parent;
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224 |
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225 | this.writeChildrenHtml.call( element, writer, isChildrenFiltered ? null : filter );
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226 | return;
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227 | }
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228 | }
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229 |
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230 | // The element may have been changed, so update the local
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231 | // references.
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232 | attributes = element.attributes;
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233 | }
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234 |
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235 | // Open element tag.
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236 | writer.openTag( writeName, attributes );
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237 |
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238 | // Copy all attributes to an array.
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239 | var attribsArray = [];
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240 | // Iterate over the attributes twice since filters may alter
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241 | // other attributes.
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242 | for ( var i = 0 ; i < 2; i++ )
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243 | {
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244 | for ( a in attributes )
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245 | {
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246 | newAttrName = a;
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247 | value = attributes[ a ];
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248 | if ( i == 1 )
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249 | attribsArray.push( [ a, value ] );
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250 | else if ( filter )
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251 | {
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252 | while ( true )
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253 | {
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254 | if ( !( newAttrName = filter.onAttributeName( a ) ) )
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255 | {
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256 | delete attributes[ a ];
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257 | break;
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258 | }
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259 | else if ( newAttrName != a )
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260 | {
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261 | delete attributes[ a ];
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262 | a = newAttrName;
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263 | continue;
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264 | }
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265 | else
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266 | break;
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267 | }
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268 | if ( newAttrName )
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269 | {
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270 | if ( ( value = filter.onAttribute( element, newAttrName, value ) ) === false )
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271 | delete attributes[ newAttrName ];
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272 | else
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273 | attributes [ newAttrName ] = value;
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274 | }
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275 | }
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276 | }
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277 | }
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278 | // Sort the attributes by name.
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279 | if ( writer.sortAttributes )
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280 | attribsArray.sort( sortAttribs );
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281 |
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282 | // Send the attributes.
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283 | var len = attribsArray.length;
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284 | for ( i = 0 ; i < len ; i++ )
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285 | {
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286 | var attrib = attribsArray[ i ];
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287 | writer.attribute( attrib[0], attrib[1] );
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288 | }
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289 |
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290 | // Close the tag.
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291 | writer.openTagClose( writeName, element.isEmpty );
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292 |
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293 | if ( !element.isEmpty )
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294 | {
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295 | this.writeChildrenHtml.call( element, writer, isChildrenFiltered ? null : filter );
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296 | // Close the element.
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297 | writer.closeTag( writeName );
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298 | }
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299 | },
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300 |
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301 | writeChildrenHtml : function( writer, filter )
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302 | {
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303 | // Send children.
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304 | CKEDITOR.htmlParser.fragment.prototype.writeChildrenHtml.apply( this, arguments );
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305 |
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306 | }
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307 | };
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308 | })();
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