/**
* Advanced users only; use loadXML() in PApplet.
*
* <p>Added extra code to handle \u2028 (Unicode NLF), which is sometimes inserted by web browsers
* (Safari?) and not distinguishable from a "real" LF (or CRLF) in some text editors (i.e.
* TextEdit on OS X). Only doing this for XML (and not all Reader objects) because LFs are
* essential. https://github.com/processing/processing/issues/2100
*
* @nowebref
*/
public XML(final Reader reader, String options)
throws IOException, ParserConfigurationException, SAXException {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
// Prevent 503 errors from www.w3.org
try {
factory.setAttribute("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
} catch (IllegalArgumentException e) {
// ignore this; Android doesn't like it
}
// without a validating DTD, this doesn't do anything since it doesn't know what is ignorable
// factory.setIgnoringElementContentWhitespace(true);
factory.setExpandEntityReferences(false);
// factory.setExpandEntityReferences(true);
// factory.setCoalescing(true);
// builderFactory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
DocumentBuilder builder = factory.newDocumentBuilder();
// builder.setEntityResolver()
// SAXParserFactory spf = SAXParserFactory.newInstance();
// spf.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
// SAXParser p = spf.newSAXParser();
// builder = DocumentBuilderFactory.newDocumentBuilder();
// builder = new SAXBuilder();
// builder.setValidation(validating);
Document document =
builder.parse(
new InputSource(
new Reader() {
@Override
public int read(char[] cbuf, int off, int len) throws IOException {
int count = reader.read(cbuf, off, len);
for (int i = 0; i < count; i++) {
if (cbuf[off + i] == '\u2028') {
cbuf[off + i] = '\n';
}
}
return count;
}
@Override
public void close() throws IOException {
reader.close();
}
}));
node = document.getDocumentElement();
}
/**
* Unlike the loadXML() method in PApplet, this version works with files that are not in UTF-8
* format.
*
* @nowebref
*/
public XML(InputStream input, String options)
throws IOException, ParserConfigurationException, SAXException {
// this(PApplet.createReader(input), options); // won't handle non-UTF8
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
try {
// Prevent 503 errors from www.w3.org
factory.setAttribute("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
} catch (IllegalArgumentException e) {
// ignore this; Android doesn't like it
}
factory.setExpandEntityReferences(false);
DocumentBuilder builder = factory.newDocumentBuilder();
Document document = builder.parse(new InputSource(input));
node = document.getDocumentElement();
}
