/**
* Copy lines from reader to output
*
* @param codeReader line reader
* @param range range of lines to copy
*/
private void copyLines(final BufferedReader codeReader, final Range range)
throws IOException, SAXException {
boolean first = true;
String line = codeReader.readLine();
for (int i = 0; line != null; i++) {
if (i >= range.start && i <= range.end) {
if (first) {
first = false;
} else {
super.characters(XML_NEWLINE, 0, XML_NEWLINE.length);
}
final char[] ch = line.toCharArray();
super.characters(ch, 0, ch.length);
}
line = codeReader.readLine();
}
}
@Override
public void endElement(final String uri, final String localName, final String name)
throws SAXException {
if (ignoreDepth > 0) {
ignoreDepth--;
return;
}
super.endElement(uri, localName, name);
}
@Override
public void startElement(
final String uri, final String localName, final String name, final Attributes atts)
throws SAXException {
if (ignoreDepth > 0) {
ignoreDepth++;
return;
}
if (PR_D_CODEREF.matches(atts)) {
ignoreDepth++;
try {
final URI hrefValue = toURI(atts.getValue(ATTRIBUTE_NAME_HREF));
if (hrefValue != null) {
File codeFile = toFile(stripFragment(currentFile.resolve(hrefValue))).getAbsoluteFile();
if (!codeFile.exists()) {
final URI rel = job.tempDir.toURI().relativize(codeFile.toURI());
final Job.FileInfo fi = job.getFileInfo(rel);
if (fi != null && fi.src.getScheme().equals("file")) {
codeFile = new File(fi.src);
}
}
if (codeFile.exists()) {
logger.debug("Resolve coderef " + codeFile);
final Charset charset = getCharset(atts.getValue(ATTRIBUTE_NAME_FORMAT));
try (BufferedReader codeReader =
new BufferedReader(new InputStreamReader(new FileInputStream(codeFile), charset))) {
copyLines(codeReader, new Range(hrefValue));
} catch (final Exception e) {
logger.error("Failed to process code reference " + codeFile, e);
}
} else {
logger.warn(
MessageUtils.getInstance()
.getMessage("DOTJ051E", hrefValue.toString())
.setLocation(atts)
.toString());
}
} else {
// logger.logDebug("Code reference target not defined");
}
} catch (final Exception e) {
logger.error(e.getMessage(), e);
}
} else {
super.startElement(uri, localName, name, atts);
}
}
@Override
public void write(final File filename) throws DITAOTException {
assert filename.isAbsolute();
setCurrentFile(filename.toURI());
super.write(filename);
}