public static void exportXMLFile(List<PatternInfoRowObject> rows, File xmlFile,
			Integer postbits, Integer totalbits) throws IOException {

		try (FileWriter fWriter = new FileWriter(xmlFile);
				BufferedWriter bWriter = new BufferedWriter(fWriter)) {
			bWriter.write("<patternlist>\n");
			bWriter.write("  <patternpairs totalbits=\"");
			bWriter.write(Integer.toString(totalbits));
			bWriter.write("\" postbits=\"");
			bWriter.write(Integer.toString(postbits));
			bWriter.write("\">\n");
			bWriter.write("    <prepatterns>\n");
			for (PatternInfoRowObject row : rows) {
				if (row.getPatternType().equals(PatternType.PRE)) {
					bWriter.write("        <data>");
					bWriter.write(row.getDittedBitSequence().getHexString());
					bWriter.write("</data>\n");
				}
			}
			bWriter.write("    </prepatterns>\n");
			bWriter.write("    <postpatterns>\n");
			for (PatternInfoRowObject row : rows) {
				if (row.getPatternType().equals(PatternType.FIRST)) {
					bWriter.write("       <data>");
					bWriter.write(row.getDittedBitSequence().getHexString());
					bWriter.write("</data>\n");
				}
			}
			//find the alignment and context register constraints
			Integer alignment = null;
			ContextRegisterFilter cRegFilter = null;
			for (PatternInfoRowObject row : rows) {
				if (row.getPatternType().equals(PatternType.FIRST)) {
					alignment = row.getAlignment();
					cRegFilter = row.getContextRegisterFilter();
					break;
				}
			}
			if (alignment != null) {
				bWriter.write("       <align mark=\"0\" bits=\"");
				bWriter.write(Integer.toString(Integer.numberOfTrailingZeros(alignment)));
				bWriter.write("\"/>\n");
			}
			if (cRegFilter != null) {
				for (Entry<String, BigInteger> entry : cRegFilter.getValueMap().entrySet()) {
					String name = entry.getKey();
					String value = entry.getValue().toString();
					bWriter.write("       <setcontext name=\"");
					bWriter.write(name);
					bWriter.write("\" value=\"");
					bWriter.write(value);
					bWriter.write("\"/>\n");
				}
			}
			bWriter.write("       <funcstart/>\n");
			bWriter.write("    </postpatterns>\n");
			bWriter.write("  </patternpairs>\n");
			bWriter.write("</patternlist>\n");
		}
	}
Export the patterns to an XML file
@param rows patterns
@param xmlFile destination file
@param postbits number of postbits to require
@param totalbits number totalbits to require
@throws IOException
Ghidra/Features/BytePatterns/src/main/java/ghidra/bitpatterns/gui/PatternInfoRowObject.java