1 | /* |
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2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net |
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3 | * Copyright (C) 2003-2007 Frederico Caldeira Knabben |
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4 | * |
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5 | * == BEGIN LICENSE == |
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6 | * |
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7 | * Licensed under the terms of any of the following licenses at your |
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8 | * choice: |
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9 | * |
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10 | * - GNU General Public License Version 2 or later (the "GPL") |
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11 | * http://www.gnu.org/licenses/gpl.html |
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12 | * |
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13 | * - GNU Lesser General Public License Version 2.1 or later (the "LGPL") |
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14 | * http://www.gnu.org/licenses/lgpl.html |
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15 | * |
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16 | * - Mozilla Public License Version 1.1 or later (the "MPL") |
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17 | * http://www.mozilla.org/MPL/MPL-1.1.html |
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18 | * |
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19 | * == END LICENSE == |
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20 | * |
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21 | * Defines the FCKXHtml object, responsible for the XHTML operations. |
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22 | */ |
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23 | |
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24 | var FCKXHtml = new Object() ; |
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25 | |
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26 | FCKXHtml.CurrentJobNum = 0 ; |
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27 | |
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28 | FCKXHtml.GetXHTML = function( node, includeNode, format ) |
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29 | { |
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30 | FCKXHtmlEntities.Initialize() ; |
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31 | |
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32 | // Set the correct entity to use for empty blocks. |
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33 | this._NbspEntity = ( FCKConfig.ProcessHTMLEntities? 'nbsp' : '#160' ) ; |
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34 | |
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35 | // Save the current IsDirty state. The XHTML processor may change the |
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36 | // original HTML, dirtying it. |
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37 | var bIsDirty = FCK.IsDirty() ; |
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38 | |
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39 | this._CreateNode = FCKConfig.ForceStrongEm ? FCKXHtml_CreateNode_StrongEm : FCKXHtml_CreateNode_Normal ; |
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40 | |
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41 | // Special blocks are blocks of content that remain untouched during the |
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42 | // process. It is used for SCRIPTs and STYLEs. |
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43 | FCKXHtml.SpecialBlocks = new Array() ; |
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44 | |
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45 | // Create the XML DOMDocument object. |
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46 | this.XML = FCKTools.CreateXmlObject( 'DOMDocument' ) ; |
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47 | |
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48 | // Add a root element that holds all child nodes. |
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49 | this.MainNode = this.XML.appendChild( this.XML.createElement( 'xhtml' ) ) ; |
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50 | |
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51 | FCKXHtml.CurrentJobNum++ ; |
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52 | |
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53 | if ( includeNode ) |
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54 | this._AppendNode( this.MainNode, node ) ; |
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55 | else |
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56 | this._AppendChildNodes( this.MainNode, node, false ) ; |
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57 | |
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58 | // Get the resulting XHTML as a string. |
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59 | var sXHTML = this._GetMainXmlString() ; |
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60 | |
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61 | this.XML = null ; |
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62 | |
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63 | // Strip the "XHTML" root node. |
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64 | sXHTML = sXHTML.substr( 7, sXHTML.length - 15 ).Trim() ; |
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65 | |
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66 | // Remove the trailing <br> added by Gecko. |
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67 | // REMOVE: Maybe the following is not anymore necessary because a similar |
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68 | // check is made on _AppendNode |
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69 | if ( FCKBrowserInfo.IsGecko ) |
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70 | sXHTML = sXHTML.replace( /<br\/>$/, '' ) ; |
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71 | |
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72 | // Add a space in the tags with no closing tags, like <br/> -> <br /> |
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73 | sXHTML = sXHTML.replace( FCKRegexLib.SpaceNoClose, ' />'); |
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74 | |
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75 | if ( FCKConfig.ForceSimpleAmpersand ) |
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76 | sXHTML = sXHTML.replace( FCKRegexLib.ForceSimpleAmpersand, '&' ) ; |
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77 | |
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78 | if ( format ) |
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79 | sXHTML = FCKCodeFormatter.Format( sXHTML ) ; |
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80 | |
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81 | // Now we put back the SpecialBlocks contents. |
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82 | for ( var i = 0 ; i < FCKXHtml.SpecialBlocks.length ; i++ ) |
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83 | { |
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84 | var oRegex = new RegExp( '___FCKsi___' + i ) ; |
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85 | sXHTML = sXHTML.replace( oRegex, FCKXHtml.SpecialBlocks[i] ) ; |
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86 | } |
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87 | |
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88 | // Replace entities marker with the ampersand. |
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89 | sXHTML = sXHTML.replace( FCKRegexLib.GeckoEntitiesMarker, '&' ) ; |
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90 | |
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91 | // Restore the IsDirty state if it was not dirty. |
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92 | if ( !bIsDirty ) |
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93 | FCK.ResetIsDirty() ; |
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94 | |
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95 | return sXHTML ; |
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96 | } |
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97 | |
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98 | FCKXHtml._AppendAttribute = function( xmlNode, attributeName, attributeValue ) |
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99 | { |
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100 | try |
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101 | { |
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102 | if ( attributeValue == undefined || attributeValue == null ) |
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103 | attributeValue = '' ; |
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104 | else if ( attributeValue.replace ) |
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105 | { |
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106 | if ( FCKConfig.ForceSimpleAmpersand ) |
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107 | attributeValue = attributeValue.replace( /&/g, '___FCKAmp___' ) ; |
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108 | |
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109 | // Entities must be replaced in the attribute values. |
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110 | attributeValue = attributeValue.replace( FCKXHtmlEntities.EntitiesRegex, FCKXHtml_GetEntity ) ; |
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111 | } |
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112 | |
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113 | // Create the attribute. |
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114 | var oXmlAtt = this.XML.createAttribute( attributeName ) ; |
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115 | oXmlAtt.value = attributeValue ; |
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116 | |
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117 | // Set the attribute in the node. |
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118 | xmlNode.attributes.setNamedItem( oXmlAtt ) ; |
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119 | } |
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120 | catch (e) |
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121 | {} |
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122 | } |
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123 | |
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124 | FCKXHtml._AppendChildNodes = function( xmlNode, htmlNode, isBlockElement ) |
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125 | { |
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126 | // Trim block elements. This is also needed to avoid Firefox leaving extra |
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127 | // BRs at the end of them. |
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128 | if ( isBlockElement ) |
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129 | FCKDomTools.TrimNode( htmlNode, true ) ; |
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130 | |
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131 | var iCount = 0 ; |
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132 | |
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133 | var oNode = htmlNode.firstChild ; |
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134 | |
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135 | while ( oNode ) |
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136 | { |
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137 | if ( this._AppendNode( xmlNode, oNode ) ) |
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138 | iCount++ ; |
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139 | |
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140 | oNode = oNode.nextSibling ; |
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141 | } |
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142 | |
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143 | if ( iCount == 0 ) |
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144 | { |
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145 | if ( isBlockElement && FCKConfig.FillEmptyBlocks ) |
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146 | { |
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147 | this._AppendEntity( xmlNode, this._NbspEntity ) ; |
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148 | return xmlNode ; |
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149 | } |
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150 | |
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151 | var sNodeName = xmlNode.nodeName ; |
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152 | |
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153 | // Some inline elements are required to have something inside (span, strong, etc...). |
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154 | if ( FCKListsLib.InlineChildReqElements[ sNodeName ] ) |
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155 | return null ; |
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156 | |
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157 | // We can't use short representation of empty elements that are not marked |
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158 | // as empty in th XHTML DTD. |
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159 | if ( !FCKListsLib.EmptyElements[ sNodeName ] ) |
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160 | xmlNode.appendChild( this.XML.createTextNode('') ) ; |
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161 | } |
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162 | |
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163 | return xmlNode ; |
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164 | } |
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165 | |
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166 | FCKXHtml._AppendNode = function( xmlNode, htmlNode ) |
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167 | { |
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168 | if ( !htmlNode ) |
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169 | return false ; |
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170 | |
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171 | switch ( htmlNode.nodeType ) |
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172 | { |
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173 | // Element Node. |
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174 | case 1 : |
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175 | |
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176 | // Here we found an element that is not the real element, but a |
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177 | // fake one (like the Flash placeholder image), so we must get the real one. |
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178 | if ( htmlNode.getAttribute('_fckfakelement') ) |
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179 | return FCKXHtml._AppendNode( xmlNode, FCK.GetRealElement( htmlNode ) ) ; |
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180 | |
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181 | // Mozilla insert custom nodes in the DOM. |
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182 | if ( FCKBrowserInfo.IsGecko && htmlNode.hasAttribute('_moz_editor_bogus_node') ) |
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183 | return false ; |
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184 | |
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185 | // This is for elements that are instrumental to FCKeditor and |
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186 | // must be removed from the final HTML. |
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187 | if ( htmlNode.getAttribute('_fcktemp') ) |
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188 | return false ; |
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189 | |
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190 | // Get the element name. |
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191 | var sNodeName = htmlNode.tagName.toLowerCase() ; |
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192 | |
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193 | if ( FCKBrowserInfo.IsIE ) |
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194 | { |
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195 | // IE doens't include the scope name in the nodeName. So, add the namespace. |
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196 | if ( htmlNode.scopeName && htmlNode.scopeName != 'HTML' && htmlNode.scopeName != 'FCK' ) |
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197 | sNodeName = htmlNode.scopeName.toLowerCase() + ':' + sNodeName ; |
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198 | } |
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199 | else |
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200 | { |
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201 | if ( sNodeName.StartsWith( 'fck:' ) ) |
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202 | sNodeName = sNodeName.Remove( 0,4 ) ; |
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203 | } |
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204 | |
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205 | // Check if the node name is valid, otherwise ignore this tag. |
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206 | // If the nodeName starts with a slash, it is a orphan closing tag. |
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207 | // On some strange cases, the nodeName is empty, even if the node exists. |
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208 | if ( !FCKRegexLib.ElementName.test( sNodeName ) ) |
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209 | return false ; |
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210 | |
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211 | // Remove the <br> if it is a bogus node. |
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212 | if ( sNodeName == 'br' && htmlNode.getAttribute( 'type', 2 ) == '_moz' ) |
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213 | return false ; |
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214 | |
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215 | // The already processed nodes must be marked to avoid then to be duplicated (bad formatted HTML). |
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216 | // So here, the "mark" is checked... if the element is Ok, then mark it. |
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217 | if ( htmlNode._fckxhtmljob && htmlNode._fckxhtmljob == FCKXHtml.CurrentJobNum ) |
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218 | return false ; |
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219 | |
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220 | var oNode = this._CreateNode( sNodeName ) ; |
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221 | |
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222 | // Add all attributes. |
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223 | FCKXHtml._AppendAttributes( xmlNode, htmlNode, oNode, sNodeName ) ; |
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224 | |
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225 | htmlNode._fckxhtmljob = FCKXHtml.CurrentJobNum ; |
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226 | |
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227 | // Tag specific processing. |
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228 | var oTagProcessor = FCKXHtml.TagProcessors[ sNodeName ] ; |
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229 | |
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230 | if ( oTagProcessor ) |
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231 | oNode = oTagProcessor( oNode, htmlNode, xmlNode ) ; |
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232 | else |
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233 | oNode = this._AppendChildNodes( oNode, htmlNode, Boolean( FCKListsLib.NonEmptyBlockElements[ sNodeName ] ) ) ; |
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234 | |
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235 | if ( !oNode ) |
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236 | return false ; |
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237 | |
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238 | xmlNode.appendChild( oNode ) ; |
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239 | |
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240 | break ; |
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241 | |
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242 | // Text Node. |
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243 | case 3 : |
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244 | return this._AppendTextNode( xmlNode, htmlNode.nodeValue.ReplaceNewLineChars(' ') ) ; |
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245 | |
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246 | // Comment |
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247 | case 8 : |
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248 | // IE catches the <!DOTYPE ... > as a comment, but it has no |
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249 | // innerHTML, so we can catch it, and ignore it. |
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250 | if ( FCKBrowserInfo.IsIE && !htmlNode.innerHTML ) |
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251 | break ; |
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252 | |
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253 | try { xmlNode.appendChild( this.XML.createComment( htmlNode.nodeValue ) ) ; } |
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254 | catch (e) { /* Do nothing... probably this is a wrong format comment. */ } |
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255 | break ; |
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256 | |
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257 | // Unknown Node type. |
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258 | default : |
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259 | xmlNode.appendChild( this.XML.createComment( "Element not supported - Type: " + htmlNode.nodeType + " Name: " + htmlNode.nodeName ) ) ; |
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260 | break ; |
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261 | } |
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262 | return true ; |
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263 | } |
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264 | |
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265 | function FCKXHtml_CreateNode_StrongEm( nodeName ) |
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266 | { |
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267 | switch ( nodeName ) |
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268 | { |
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269 | case 'b' : |
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270 | nodeName = 'strong' ; |
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271 | break ; |
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272 | case 'i' : |
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273 | nodeName = 'em' ; |
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274 | break ; |
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275 | } |
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276 | return this.XML.createElement( nodeName ) ; |
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277 | } |
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278 | |
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279 | function FCKXHtml_CreateNode_Normal( nodeName ) |
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280 | { |
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281 | return this.XML.createElement( nodeName ) ; |
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282 | } |
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283 | |
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284 | // Append an item to the SpecialBlocks array and returns the tag to be used. |
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285 | FCKXHtml._AppendSpecialItem = function( item ) |
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286 | { |
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287 | return '___FCKsi___' + FCKXHtml.SpecialBlocks.AddItem( item ) ; |
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288 | } |
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289 | |
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290 | FCKXHtml._AppendEntity = function( xmlNode, entity ) |
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291 | { |
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292 | xmlNode.appendChild( this.XML.createTextNode( '#?-:' + entity + ';' ) ) ; |
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293 | } |
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294 | |
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295 | FCKXHtml._AppendTextNode = function( targetNode, textValue ) |
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296 | { |
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297 | var bHadText = textValue.length > 0 ; |
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298 | if ( bHadText ) |
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299 | targetNode.appendChild( this.XML.createTextNode( textValue.replace( FCKXHtmlEntities.EntitiesRegex, FCKXHtml_GetEntity ) ) ) ; |
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300 | return bHadText ; |
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301 | } |
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302 | |
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303 | // Retrieves a entity (internal format) for a given character. |
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304 | function FCKXHtml_GetEntity( character ) |
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305 | { |
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306 | // We cannot simply place the entities in the text, because the XML parser |
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307 | // will translate & to &. So we use a temporary marker which is replaced |
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308 | // in the end of the processing. |
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309 | var sEntity = FCKXHtmlEntities.Entities[ character ] || ( '#' + character.charCodeAt(0) ) ; |
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310 | return '#?-:' + sEntity + ';' ; |
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311 | } |
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312 | |
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313 | // Remove part of an attribute from a node according to a regExp |
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314 | FCKXHtml._RemoveAttribute = function( xmlNode, regX, sAttribute ) |
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315 | { |
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316 | var oAtt = xmlNode.attributes.getNamedItem( sAttribute ) ; |
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317 | |
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318 | if ( oAtt && regX.test( oAtt.nodeValue ) ) |
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319 | { |
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320 | var sValue = oAtt.nodeValue.replace( regX, '' ) ; |
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321 | |
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322 | if ( sValue.length == 0 ) |
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323 | xmlNode.attributes.removeNamedItem( sAttribute ) ; |
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324 | else |
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325 | oAtt.nodeValue = sValue ; |
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326 | } |
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327 | } |
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328 | |
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329 | // An object that hold tag specific operations. |
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330 | FCKXHtml.TagProcessors = |
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331 | { |
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332 | img : function( node, htmlNode ) |
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333 | { |
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334 | // The "ALT" attribute is required in XHTML. |
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335 | if ( ! node.attributes.getNamedItem( 'alt' ) ) |
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336 | FCKXHtml._AppendAttribute( node, 'alt', '' ) ; |
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337 | |
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338 | var sSavedUrl = htmlNode.getAttribute( '_fcksavedurl' ) ; |
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339 | if ( sSavedUrl != null ) |
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340 | FCKXHtml._AppendAttribute( node, 'src', sSavedUrl ) ; |
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341 | |
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342 | return node ; |
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343 | }, |
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344 | |
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345 | a : function( node, htmlNode ) |
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346 | { |
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347 | // Firefox may create empty tags when deleting the selection in some special cases (SF-BUG 1556878). |
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348 | if ( htmlNode.innerHTML.Trim().length == 0 && !htmlNode.name ) |
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349 | return false ; |
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350 | |
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351 | var sSavedUrl = htmlNode.getAttribute( '_fcksavedurl' ) ; |
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352 | if ( sSavedUrl != null ) |
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353 | FCKXHtml._AppendAttribute( node, 'href', sSavedUrl ) ; |
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354 | |
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355 | |
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356 | // Anchors with content has been marked with an additional class, now we must remove it. |
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357 | if ( FCKBrowserInfo.IsIE ) |
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358 | { |
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359 | FCKXHtml._RemoveAttribute( node, FCKRegexLib.FCK_Class, 'class' ) ; |
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360 | |
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361 | // Buggy IE, doesn't copy the name of changed anchors. |
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362 | if ( htmlNode.name ) |
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363 | FCKXHtml._AppendAttribute( node, 'name', htmlNode.name ) ; |
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364 | } |
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365 | |
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366 | node = FCKXHtml._AppendChildNodes( node, htmlNode, false ) ; |
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367 | |
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368 | return node ; |
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369 | }, |
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370 | |
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371 | script : function( node, htmlNode ) |
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372 | { |
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373 | // The "TYPE" attribute is required in XHTML. |
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374 | if ( ! node.attributes.getNamedItem( 'type' ) ) |
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375 | FCKXHtml._AppendAttribute( node, 'type', 'text/javascript' ) ; |
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376 | |
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377 | node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( htmlNode.text ) ) ) ; |
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378 | |
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379 | return node ; |
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380 | }, |
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381 | |
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382 | style : function( node, htmlNode ) |
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383 | { |
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384 | // The "TYPE" attribute is required in XHTML. |
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385 | if ( ! node.attributes.getNamedItem( 'type' ) ) |
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386 | FCKXHtml._AppendAttribute( node, 'type', 'text/css' ) ; |
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387 | |
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388 | node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( htmlNode.innerHTML ) ) ) ; |
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389 | |
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390 | return node ; |
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391 | }, |
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392 | |
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393 | title : function( node, htmlNode ) |
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394 | { |
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395 | node.appendChild( FCKXHtml.XML.createTextNode( FCK.EditorDocument.title ) ) ; |
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396 | |
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397 | return node ; |
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398 | }, |
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399 | |
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400 | table : function( node, htmlNode ) |
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401 | { |
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402 | // There is a trick to show table borders when border=0. We add to the |
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403 | // table class the FCK__ShowTableBorders rule. So now we must remove it. |
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404 | |
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405 | if ( FCKBrowserInfo.IsIE ) |
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406 | FCKXHtml._RemoveAttribute( node, FCKRegexLib.FCK_Class, 'class' ) ; |
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407 | |
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408 | node = FCKXHtml._AppendChildNodes( node, htmlNode, false ) ; |
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409 | |
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410 | return node ; |
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411 | }, |
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412 | |
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413 | // Fix nested <ul> and <ol>. |
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414 | ol : function( node, htmlNode, targetNode ) |
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415 | { |
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416 | if ( htmlNode.innerHTML.Trim().length == 0 ) |
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417 | return false ; |
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418 | |
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419 | var ePSibling = targetNode.lastChild ; |
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420 | |
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421 | if ( ePSibling && ePSibling.nodeType == 3 ) |
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422 | ePSibling = ePSibling.previousSibling ; |
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423 | |
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424 | if ( ePSibling && ePSibling.nodeName.toUpperCase() == 'LI' ) |
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425 | { |
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426 | htmlNode._fckxhtmljob = null ; |
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427 | FCKXHtml._AppendNode( ePSibling, htmlNode ) ; |
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428 | return false ; |
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429 | } |
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430 | |
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431 | node = FCKXHtml._AppendChildNodes( node, htmlNode ) ; |
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432 | |
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433 | return node ; |
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434 | }, |
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435 | |
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436 | span : function( node, htmlNode ) |
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437 | { |
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438 | // Firefox may create empty tags when deleting the selection in some special cases (SF-BUG 1084404). |
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439 | if ( htmlNode.innerHTML.length == 0 ) |
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440 | return false ; |
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441 | |
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442 | node = FCKXHtml._AppendChildNodes( node, htmlNode, false ) ; |
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443 | |
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444 | return node ; |
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445 | }, |
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446 | |
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447 | // IE loses contents of iframes, and Gecko does give it back HtmlEncoded |
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448 | // Note: Opera does lose the content and doesn't provide it in the innerHTML string |
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449 | iframe : function( node, htmlNode ) |
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450 | { |
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451 | var sHtml = htmlNode.innerHTML ; |
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452 | |
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453 | // Gecko does give back the encoded html |
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454 | if ( FCKBrowserInfo.IsGecko ) |
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455 | sHtml = FCKTools.HTMLDecode( sHtml ); |
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456 | |
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457 | // Remove the saved urls here as the data won't be processed as nodes |
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458 | sHtml = sHtml.replace( /\s_fcksavedurl="[^"]*"/g, '' ) ; |
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459 | |
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460 | node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( sHtml ) ) ) ; |
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461 | |
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462 | return node ; |
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463 | } |
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464 | } ; |
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465 | |
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466 | FCKXHtml.TagProcessors.ul = FCKXHtml.TagProcessors.ol ; |
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