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