module.exports = function()

in packages/docpack-jsdoc-extractor/lib/parseXMLExamples.js [18:112]
16 lines of code
2 McCabe index (conditional complexity)

module.exports = function (content) {
  var hasXMLExamples = content.match(EXAMPLE_START_REGEXP);

  var examples = [];
  var wrappedContent = '<root>' + content + '</root>';

  var files = [];
  var fileNode = null;
  var exampleNode = null;
  var fileContentStartPosition = null;
  var exampleContentStartPosition = null;

  var parser = sax.parser(PARSER_STRICT_MODE, PARSER_OPTIONS);

  if (!hasXMLExamples) {
    return [];
  }

  function stopFileParsing() {
    fileNode = null;
    fileContentStartPosition = null;
  }

  function stopExampleParsing() {
    files = [];
    exampleNode = null;
    exampleContentStartPosition = null;
  }

  function getTagContent(startPosition, currentPosition, regexp) {
    var previousContent = wrappedContent.substring(0, currentPosition);
    var match = previousContent.match(regexp);
    var endPosition = match && match.index;

    return endPosition ? wrappedContent.substring(startPosition, endPosition) : '';
  }

  parser.onopentag = function (node) {
    if (node.name === EXAMPLE_TAG && !exampleNode) {
      exampleNode = node;
      exampleContentStartPosition = parser.position;
    }

    // Don't go deeper than one level
    if (node.name === FILE_TAG && exampleNode && !fileNode) {
      fileNode = node;
      fileContentStartPosition = parser.position;
    }
  };

  parser.onclosetag = function (nodeName) {
    var tagContent;

    if (nodeName === EXAMPLE_TAG && exampleNode) {
      tagContent = getTagContent(
        exampleContentStartPosition,
        parser.position,
        EXAMPLE_START_REGEXP
      );

      examples.push(new Example({
        content: stripIndent(tagContent),
        attrs: exampleNode.attributes,
        files: files
      }));

      stopFileParsing();
      stopExampleParsing();
    }

    if (nodeName === FILE_TAG && exampleNode && fileNode) {
      tagContent = getTagContent(
        fileContentStartPosition,
        parser.position,
        TAG_START_REGEXP
      );

      if (tagContent == null) {
        stopFileParsing();
        return;
      }

      files.push(new ExampleFile({
        type: fileNode.attributes.type || 'js',
        content: stripIndent(tagContent),
        attrs: fileNode.attributes
      }));

      stopFileParsing();
    }
  };

  parser.write(wrappedContent).close();
  return examples;
};