diff -r d78b74a2abe9 -r 93208f791318 java/dictionary-generator/src/cz/frantovo/telco/dictionary/Generator.java
--- a/java/dictionary-generator/src/cz/frantovo/telco/dictionary/Generator.java	Mon Jul 08 23:38:22 2013 +0200
+++ b/java/dictionary-generator/src/cz/frantovo/telco/dictionary/Generator.java	Tue Jul 09 18:59:07 2013 +0200
@@ -17,13 +17,189 @@
  */
 package cz.frantovo.telco.dictionary;
 
+import static cz.frantovo.telco.dictionary.Xmlns.*;
+import static cz.frantovo.telco.dictionary.Functions.*;
+import java.io.BufferedWriter;
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerConfigurationException;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.transform.stream.StreamSource;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpression;
+import javax.xml.xpath.XPathExpressionException;
+import javax.xml.xpath.XPathFactory;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.SAXException;
+
 /**
+ * <p>
+ * Generates dictionary files in StarDict format from source in our XML format.
+ * </p>
+ *
+ * <p>
+ * Number format should be: 32-bits unsigned number in network byte order
+ * </p>
  *
  * @author Ing. František Kučera (frantovo.cz)
  */
 public class Generator {
 
+	private static final Logger log = Logger.getLogger(Generator.class.getName());
+	private static final String EMAIL_TOKEN = "ixumhht68";
+	private final DocumentBuilderFactory documentBuilderFactory;
+	private final DocumentBuilder documentBuilder;
+	private final XPathFactory xpathFactory;
+	private final XPath xpath;
+	private final TransformerFactory xslFactory;
+	private final Transformer xsl;
+	private final Charset utf8;
+
+	public Generator() throws ParserConfigurationException, TransformerConfigurationException {
+		utf8 = Charset.forName("UTF-8");
+
+		documentBuilderFactory = DocumentBuilderFactory.newInstance();
+		documentBuilderFactory.setNamespaceAware(true);
+		documentBuilder = documentBuilderFactory.newDocumentBuilder();
+
+		xslFactory = TransformerFactory.newInstance();
+		xsl = xslFactory.newTransformer(new StreamSource("concept.xsl"));
+
+		xpathFactory = XPathFactory.newInstance();
+		xpath = xpathFactory.newXPath();
+		xpath.setNamespaceContext(getNamespaceContext());
+	}
+
+	private void generate(File folder, String filePrefix) {
+		File infoFile = new File(folder, filePrefix + ".ifo");
+		File dictFile = new File(folder, filePrefix + ".dict");
+		File indexFile = new File(folder, filePrefix + ".idx");
+		File synonymFile = new File(folder, filePrefix + ".syn");
+
+		FileOutputStream dictOutputStream = null;
+		DataOutputStream synonymOutputStream = null;
+		DataOutputStream indexOutputStream = null;
+		BufferedWriter infoWriter = null;
+
+		try {
+			dictOutputStream = new FileOutputStream(dictFile);
+			synonymOutputStream = new DataOutputStream(new FileOutputStream(synonymFile));
+			indexOutputStream = new DataOutputStream(new FileOutputStream(indexFile));
+			infoWriter = new BufferedWriter(new FileWriter(infoFile));
+
+			Document sourceDocument = documentBuilder.parse("../../data/dictionary.xml");
+			XPathExpression termsXPath = xpath.compile("d:term/@completeForm|d:term/@abbreviation");
+			// TODO: tags - labels/descriptions
+			xsl.setParameter("tags", sourceDocument.getElementsByTagNameNS(DICTIONARY, "tags").item(0));
+
+			/**
+			 * TODO: sorting
+			 */
+			long offset = 0;
+			long conceptIndex = 0;
+			long synonymCount = 0;
+			for (Node conceptNode : nodeIterable(sourceDocument.getElementsByTagNameNS(DICTIONARY, "concept"))) {
+				ByteArrayOutputStream conceptXhtml = new ByteArrayOutputStream();
+				xsl.transform(new DOMSource(conceptNode), new StreamResult(conceptXhtml));
+				int length = conceptXhtml.size();
+				dictOutputStream.write(conceptXhtml.toByteArray());
+
+				NodeList nameNodes = (NodeList) termsXPath.evaluate(conceptNode, XPathConstants.NODESET);
+				List<String> names = new ArrayList<>();
+
+				for (Node nameNode : nodeIterable(nameNodes)) {
+					String name = nameNode.getTextContent().trim();
+					if (!name.isEmpty()) {
+						names.add(name);
+					}
+				}
+
+				synonymCount = +writeSynonyms(synonymOutputStream, names, conceptIndex);
+				writeIndex(indexOutputStream, names.get(0), offset, length);
+
+				offset = offset + length;
+				conceptIndex++;
+			}
+
+			indexOutputStream.flush();
+			writeInfo(infoWriter, sourceDocument, conceptIndex + 1, synonymCount, indexFile.length());
+		} catch (SAXException | IOException | TransformerException | XPathExpressionException e) {
+			log.log(Level.SEVERE, "unable to generate", e);
+		} finally {
+			close(dictOutputStream);
+			close(synonymOutputStream);
+			close(indexOutputStream);
+			close(infoWriter);
+		}
+	}
+
+	private void writeIndex(DataOutputStream indexOutputStream, String name, long offset, long length) throws IOException {
+		indexOutputStream.write(name.getBytes(utf8));
+		indexOutputStream.write(0);
+		indexOutputStream.writeInt((int) offset); // unsigned int 32
+		indexOutputStream.writeInt((int) length); // unsigned int 32
+	}
+
+	private int writeSynonyms(DataOutputStream synonymOutputStream, List<String> names, long baseIndex) throws IOException {
+		if (names.size() > 1) {
+			for (int i = 1; i < names.size(); i++) {
+				String name = names.get(i);
+				synonymOutputStream.write(name.getBytes(utf8));
+				synonymOutputStream.write(0);
+				synonymOutputStream.writeInt((int) baseIndex); // unsigned int 32
+			}
+			return names.size() - 1;
+		} else {
+			return 0;
+		}
+	}
+
+	private void writeInfo(BufferedWriter infoWriter, Document sourceDocument, long wordcount, long synwourdcount, long idxfilesize) throws IOException {
+		// TODO: values from document metadata
+		infoWriter.write("StarDict's dict ifo file\n");
+		infoWriter.write("version=2.4.2\n");
+		infoWriter.write("bookname=Free Telco Dictionary\n");
+		infoWriter.write("wordcount=" + wordcount + "\n");
+		infoWriter.write("synwordcount=" + synwourdcount + "\n");
+		infoWriter.write("idxfilesize=" + idxfilesize + "\n");
+		infoWriter.write("idxoffsetbits=32\n");
+		infoWriter.write("author=František Kučera\n");
+		infoWriter.write("email=telco-dictionary." + EMAIL_TOKEN + "@" + "frantovo.cz\n");
+		infoWriter.write("website=https://telco.frantovo.cz\n");
+		infoWriter.write("description=A dictionary for telecommunications licensed under GNU FDL\n");
+		infoWriter.write("date=2013.07.09\n");
+		infoWriter.write("sametypesequence=h\n");
+	}
+
 	public static void main(String[] args) {
-		
+		File outputFolder = new File("../../delivery/free-telco-dictionary");
+		outputFolder.mkdir();
+
+		try {
+			Generator g = new Generator();
+			g.generate(outputFolder, "telco");
+		} catch (ParserConfigurationException | TransformerConfigurationException e) {
+			log.log(Level.SEVERE, "error during initialization", e);
+		}
 	}
 }