(function () {
  "use strict";

  var expat = require('node-expat')
    , parser
    ;

  parser = new expat.Parser("UTF-8");
  parser.on('startElement', function (name, attrs) {
    console.log(name, attrs);
  });
  parser.on('endElement', function (name) {
    console.log(name);
  });
  parser.on('text', function (text) {
    console.log(text);
  });
  parser.on('error', function (err) {
    console.error(err); 
  });
  parser.write("<html><head><title>Hello World</title></head><body><p>Foobar</p></body></html>");
}());

Use test.js for reference.

API

#on('startElement' function (name, attrs) {})
#on('endElement' function (name) {})
#on('text' function (text) {})
#on('processingInstruction', function (target, data) {})
#on('comment', function (s) {})
#on('xmlDecl', function (version, encoding, standalone) {})
#on('startCdata', function () {})
#on('startCdata', function () {})
#on('endCdata', function () {})
#on('entityDecl', function (entityName, isParameterEntity, value, base, systemId, publicId, notationName) {})
#on('error', function (e) {})
#stop() pauses
#resume() resumes

Error handling

We don't emit an error event because libexpat doesn't use a callback either. Instead, check that parse() returns true. A descriptive string can be obtained via getError() to provide user feedback.

Alternatively, use the Parser like a node Stream. write() will emit error events.

Namespace handling

A word about special parsing of xmlns: this is not neccessary in a bare SAX parser like this, given that the DOM replacement you are using (if any) is not relevant to the parser.

Keywords

FAQs

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Package last updated on 17 Oct 2013

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