57 lines
1.9 KiB
JavaScript
57 lines
1.9 KiB
JavaScript
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var jsdom = require("jsdom"),
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xml = require("libxmljs"),
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handlersForDocument = require("./domparser.js").handlersForDocument,
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DOMWriter = require("./domwriter.js").DOMWriter;
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var impl = jsdom.jsdom(undefined, { parsingMode: "xml" }).implementation;
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exports.DOMParser = function() {
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}
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exports.DOMParser.prototype.parseFromString = function(str, mime) {
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var doc = impl.createDocument("", "", null);
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parser = new xml.SaxParser(handlersForDocument(doc));
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parser.parseString(str);
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return doc;
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}
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exports.XMLSerializer = function() {
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}
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exports.XMLSerializer.prototype.serializeToString = function(doc) {
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var textwriter = new xml.TextWriter(),
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domwriter = new DOMWriter(textwriter),
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result;
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// libxml xmlTextWriterStartDocument not only writes the document preamble
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// but also sets up functions used for document encoding. Therefore we
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// need to call startDocument in any case, also for document fragments and
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// single nodes. By calling outputMemory immediately after starting the
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// document, we get rid of the preamble.
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textwriter.startDocument();
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textwriter.outputMemory(); // flush buffer and discard preamble
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if (doc.nodeType !== doc.DOCUMENT_NODE) {
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// Wrap contents into an element in order to force libxml textwriter
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// into element-mode. This will trigger proper entity escaping for text
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// nodes.
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textwriter.startElementNS(undefined, 'dummy');
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textwriter.writeString(''); // close dummy start-tag
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textwriter.outputMemory(); // flush buffer
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}
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domwriter.writeNode(doc); // write actual contents
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result = textwriter.outputMemory(); // collect results
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// let's play nice and get the textwriter into a proper state again
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textwriter.endDocument();
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textwriter.outputMemory(); // flush buffer
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return result;
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};
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exports.implementation = impl;
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