shbrushxml.js

来自「在线编辑器」· JavaScript 代码 · 共 91 行

/**
 * Code Syntax Highlighter.
 * Version 1.5.2
 * Copyright (C) 2004-2008 Alex Gorbatchev
 * http://www.dreamprojections.com/syntaxhighlighter/
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, version 3 of the License.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

dp.sh.Brushes.Xml = function() {
        // this.CssClass = 'dp-xml';
        // this.Style =    '.dp-xml .cdata { color: #ff1493; }' +
        //                                 '.dp-xml .tag, .dp-xml .tag-name { color: #069; font-weight: bold; }' +
        //                                 '.dp-xml .attribute { color: red; }' +
        //                                 '.dp-xml .attribute-value { color: blue; }';
};

dp.sh.Brushes.Xml.prototype     = new dp.sh.Highlighter();
dp.sh.Brushes.Xml.Aliases       = ['xml', 'xhtml', 'xslt', 'html', 'xhtml'];

dp.sh.Brushes.Xml.prototype.ProcessRegexList = function()
{
        function push(array, value)
        {
                array[array.length] = value;
        }
        
        /* If only there was a way to get index of a group within a match, the whole XML
           could be matched with the expression looking something like that:
        
           (<!\[CDATA\[\s*.*\s*\]\]>)
           | (<!--\s*.*\s*?-->)
           | (<)*(\w+)*\s*(\w+)\s*=\s*(".*?"|'.*?'|\w+)(/*>)*
           | (</?)(.*?)(/?>)
        */
        var index       = 0;
        var match       = null;
        var regex       = null;

        // Match CDATA in the following format <![ ... [ ... ]]>
        // (\&lt;|<)\!\[[\w\s]*?\[(.|\s)*?\]\](\&gt;|>)
        this.GetMatches(new RegExp('(\&lt;|<)\\!\\[[\\w\\s]*?\\[(.|\\s)*?\\]\\](\&gt;|>)', 'gm'), 'cdata');

        // Match comments
        // (\&lt;|<)!--\s*.*?\s*--(\&gt;|>)
        this.GetMatches(new RegExp('(\&lt;|<)!--\\s*.*?\\s*--(\&gt;|>)', 'gm'), 'comments');

        // Match attributes and their values
        // (:|\w+)\s*=\s*(".*?"|\'.*?\'|\w+)*
        regex = new RegExp('([:\\w-\.]+)\\s*=\\s*(".*?"|\'.*?\'|\\w+)*|(\\w+)', 'gm'); // Thanks to Tomi Blinnikka of Yahoo! for fixing namespaces in attributes

        while((match = regex.exec(this.code)) != null)
        {
                if (match[1] == null) {
					continue;
                }        

                push(this.matches, new dp.sh.Match(match[1], match.index, 'attribute'));
        
                // if xml is invalid and attribute has no property value, ignore it     
                if(match[2] != undefined)
                {
                        push(this.matches, new dp.sh.Match(match[2], match.index + match[0].indexOf(match[2]), 'attribute-value'));
                }
        }

        // Match opening and closing tag brackets
        // (\&lt;|<)/*\?*(?!\!)|/*\?*(\&gt;|>)
		// TODO: Dion found this to be killing syntax highlighting. Tags aren't styled with this commented out
//        this.GetMatches(new RegExp('(\&lt;|<)/*\\?*(?!\\!)|/*\\?*(\&gt;|>)', 'gm'), 'tag');

        // Match tag names
        // (\&lt;|<)/*\?*\s*(\w+)
        regex = new RegExp('(?:\&lt;|<)/*\\?*\\s*([:\\w-\.]+)', 'gm');
        while((match = regex.exec(this.code)) != null)
        {
                push(this.matches, new dp.sh.Match(match[1], match.index + match[0].indexOf(match[1]), 'tag-name'));
        }
}