michael@0: /* -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: 
michael@0: //
michael@0: // travers the html tree and dump out the type of element
michael@0: //
michael@0: function traverse(node, indent)
michael@0: {
michael@0:     dump("\n")
michael@0:     indent += "  "
michael@0:     var type = node.nodeType;
michael@0: 
michael@0:     // if it's an element dump the tag and recurse the children
michael@0:     if (type == Node.ELEMENT_NODE) {
michael@0: 
michael@0:         dump(indent + node.tagName)
michael@0: 
michael@0:         // go through the children
michael@0:         if (node.hasChildNodes()) {
michael@0:             var children = node.childNodes;
michael@0:             var length = children.length;
michael@0:             var count = 0;
michael@0:             while(count < length) {
michael@0:                 child = children[count]
michael@0:                 traverse(child, indent)
michael@0:                 count++
michael@0:             }
michael@0:         }
michael@0:     }
michael@0:     // it's just text, no tag, dump "Text"
michael@0:     else if (type == Node.TEXT_NODE) {
michael@0:         dump(indent + "Text")
michael@0:     }
michael@0: }
michael@0: 
michael@0: var node = document.documentElement
michael@0: 
michael@0: traverse(node, "")
michael@0: dump("\n")
michael@0: 
michael@0: