package com.hughes.android.dictionary.engine;
-import com.hughes.android.dictionary.DictionaryInfo;
-import com.hughes.util.CachingList;
-import com.hughes.util.StringUtil;
-import com.hughes.util.raf.RAFList;
-import com.hughes.util.raf.RAFListSerializer;
-import com.hughes.util.raf.RAFSerializable;
-
+import java.io.BufferedOutputStream;
+import java.io.ByteArrayOutputStream;
import java.io.DataInput;
import java.io.DataInputStream;
import java.io.DataOutput;
+import java.io.DataOutputStream;
import java.io.File;
+import java.io.FileOutputStream;
import java.io.IOException;
+import java.io.ObjectOutputStream;
import java.io.PrintStream;
import java.io.RandomAccessFile;
import java.nio.channels.Channels;
import java.nio.channels.FileChannel;
+import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
+import java.util.zip.GZIPOutputStream;
+
+import com.hughes.android.dictionary.DictionaryInfo;
+import com.hughes.util.CachingList;
+import com.hughes.util.raf.RAFList;
+import com.hughes.util.raf.RAFListSerializer;
+import com.hughes.util.raf.RAFSerializable;
public class Dictionary implements RAFSerializable<Dictionary> {
- static final int CACHE_SIZE = 5000;
+ private static final int CACHE_SIZE = 5000;
- static final int CURRENT_DICT_VERSION = 7;
- static final String END_OF_DICTIONARY = "END OF DICTIONARY";
+ private static final int CURRENT_DICT_VERSION = 7;
+ private static final String END_OF_DICTIONARY = "END OF DICTIONARY";
// persisted
final int dictFileVersion;
- final long creationMillis;
+ private final long creationMillis;
public final String dictInfo;
public final List<PairEntry> pairEntries;
public final List<TextEntry> textEntries;
this.dictFileVersion = CURRENT_DICT_VERSION;
this.creationMillis = System.currentTimeMillis();
this.dictInfo = dictInfo;
- pairEntries = new ArrayList<PairEntry>();
- textEntries = new ArrayList<TextEntry>();
- htmlEntries = new ArrayList<HtmlEntry>();
+ pairEntries = new ArrayList<>();
+ textEntries = new ArrayList<>();
+ htmlEntries = new ArrayList<>();
htmlData = null;
- sources = new ArrayList<EntrySource>();
- indices = new ArrayList<Index>();
+ sources = new ArrayList<>();
+ indices = new ArrayList<>();
}
public Dictionary(final FileChannel ch) throws IOException {
try {
final RAFList<EntrySource> rafSources = RAFList.create(ch, new EntrySource.Serializer(
this), ch.position(), dictFileVersion, dictInfo + " sources: ");
- sources = new ArrayList<EntrySource>(rafSources);
+ sources = new ArrayList<>(rafSources);
ch.position(rafSources.getEndOffset());
pairEntries = CachingList.create(
indices = CachingList.createFullyCached(RAFList.create(ch, new IndexSerializer(ch),
ch.position(), dictFileVersion, dictInfo + " index: "));
} catch (RuntimeException e) {
- final IOException ioe = new IOException("RuntimeException loading dictionary", e);
- throw ioe;
+ throw new IOException("RuntimeException loading dictionary", e);
}
final String end = raf.readUTF();
if (!end.equals(END_OF_DICTIONARY)) {
@Override
public void write(DataOutput out) throws IOException {
RandomAccessFile raf = (RandomAccessFile)out;
+ if (dictFileVersion < 7) throw new RuntimeException("write function cannot write formats older than v7!");
raf.writeInt(dictFileVersion);
raf.writeLong(creationMillis);
raf.writeUTF(dictInfo);
raf.writeUTF(END_OF_DICTIONARY);
}
+ private void writev6Sources(RandomAccessFile out) throws IOException {
+ ByteArrayOutputStream toc = new ByteArrayOutputStream();
+ DataOutputStream tocout = new DataOutputStream(toc);
+
+ out.writeInt(sources.size());
+ long tocPos = out.getFilePointer();
+ out.seek(tocPos + sources.size() * 8 + 8);
+ for (EntrySource s : sources) {
+ long dataPos = out.getFilePointer();
+ tocout.writeLong(dataPos);
+
+ out.writeUTF(s.getName());
+ out.writeInt(s.getNumEntries());
+ }
+ long dataPos = out.getFilePointer();
+ tocout.writeLong(dataPos);
+ tocout.close();
+
+ out.seek(tocPos);
+ out.write(toc.toByteArray());
+ out.seek(dataPos);
+ }
+
+ private void writev6PairEntries(RandomAccessFile out) throws IOException {
+ ByteArrayOutputStream toc = new ByteArrayOutputStream();
+ DataOutputStream tocout = new DataOutputStream(toc);
+
+ long tocPos = out.getFilePointer();
+ long dataPos = tocPos + 4 + pairEntries.size() * 8 + 8;
+
+ out.seek(dataPos);
+ DataOutputStream outb = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(out.getFD())));
+
+ tocout.writeInt(pairEntries.size());
+ for (PairEntry pe : pairEntries) {
+ tocout.writeLong(dataPos + outb.size());
+
+ outb.writeShort(pe.entrySource.index());
+ outb.writeInt(pe.pairs.size());
+ for (PairEntry.Pair p : pe.pairs) {
+ outb.writeUTF(p.lang1);
+ outb.writeUTF(p.lang2);
+ }
+ }
+ dataPos += outb.size();
+ outb.flush();
+ tocout.writeLong(dataPos);
+ tocout.close();
+
+ out.seek(tocPos);
+ out.write(toc.toByteArray());
+ out.seek(dataPos);
+ }
+
+ private void writev6TextEntries(RandomAccessFile out) throws IOException {
+ ByteArrayOutputStream toc = new ByteArrayOutputStream();
+ DataOutputStream tocout = new DataOutputStream(toc);
+
+ out.writeInt(textEntries.size());
+ long tocPos = out.getFilePointer();
+ out.seek(tocPos + textEntries.size() * 8 + 8);
+ for (TextEntry t : textEntries) {
+ long dataPos = out.getFilePointer();
+ tocout.writeLong(dataPos);
+
+ out.writeShort(t.entrySource.index());
+ out.writeUTF(t.text);
+ }
+ long dataPos = out.getFilePointer();
+ tocout.writeLong(dataPos);
+ tocout.close();
+
+ out.seek(tocPos);
+ out.write(toc.toByteArray());
+ out.seek(dataPos);
+ }
+
+ private void writev6EmptyList(RandomAccessFile out) throws IOException {
+ out.writeInt(0);
+ out.writeLong(out.getFilePointer() + 8);
+ }
+
+ private void writev6HtmlEntries(RandomAccessFile out) throws IOException {
+ ByteArrayOutputStream toc = new ByteArrayOutputStream();
+ DataOutputStream tocout = new DataOutputStream(toc);
+
+ long tocPos = out.getFilePointer();
+ long dataPos = tocPos + 4 + htmlEntries.size() * 8 + 8;
+
+ out.seek(dataPos);
+ DataOutputStream outb = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(out.getFD())));
+
+ tocout.writeInt(htmlEntries.size());
+ for (HtmlEntry h : htmlEntries) {
+ tocout.writeLong(dataPos + outb.size());
+
+ outb.writeShort(h.entrySource.index());
+ outb.writeUTF(h.title);
+ byte[] data = h.getHtml().getBytes(StandardCharsets.UTF_8);
+ outb.writeInt(data.length);
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ GZIPOutputStream gzout = new GZIPOutputStream(baos);
+ gzout.write(data);
+ gzout.close();
+ outb.writeInt(baos.size());
+ outb.write(baos.toByteArray());
+ }
+ dataPos += outb.size();
+ outb.flush();
+ tocout.writeLong(dataPos);
+ tocout.close();
+
+ out.seek(tocPos);
+ out.write(toc.toByteArray());
+ out.seek(dataPos);
+ }
+
+ private void writev6HtmlIndices(DataOutputStream out, long pos, List<HtmlEntry> entries) throws IOException {
+ long dataPos = pos + 4 + entries.size() * 8 + 8;
+
+ out.writeInt(entries.size());
+
+ // TOC is trivial, so optimize writing it
+ for (int i = 0; i < entries.size(); i++) {
+ out.writeLong(dataPos);
+ dataPos += 4;
+ }
+ out.writeLong(dataPos);
+
+ for (HtmlEntry e : entries) {
+ out.writeInt(e.index());
+ }
+ }
+
+ private void writev6IndexEntries(RandomAccessFile out, List<Index.IndexEntry> entries, int[] prunedRowIdx) throws IOException {
+ ByteArrayOutputStream toc = new ByteArrayOutputStream();
+ DataOutputStream tocout = new DataOutputStream(toc);
+
+ long tocPos = out.getFilePointer();
+ long dataPos = tocPos + 4 + entries.size() * 8 + 8;
+
+ out.seek(dataPos);
+ DataOutputStream outb = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(out.getFD())));
+
+ tocout.writeInt(entries.size());
+ for (Index.IndexEntry e : entries) {
+ tocout.writeLong(dataPos + outb.size());
+
+ outb.writeUTF(e.token);
+
+ int startRow = e.startRow;
+ int numRows = e.numRows;
+ if (prunedRowIdx != null) {
+ // note: the start row will always be a TokenRow
+ // and thus never be pruned
+ int newNumRows = 1;
+ for (int i = 1; i < numRows; i++) {
+ if (prunedRowIdx[startRow + i] >= 0) newNumRows++;
+ }
+ startRow = prunedRowIdx[startRow];
+ numRows = newNumRows;
+ }
+
+ outb.writeInt(startRow);
+ outb.writeInt(numRows);
+ final boolean hasNormalizedForm = !e.token.equals(e.normalizedToken());
+ outb.writeBoolean(hasNormalizedForm);
+ if (hasNormalizedForm) outb.writeUTF(e.normalizedToken());
+ writev6HtmlIndices(outb, dataPos + outb.size(),
+ prunedRowIdx == null ? e.htmlEntries : Collections.<HtmlEntry>emptyList());
+ }
+ dataPos += outb.size();
+ outb.flush();
+ tocout.writeLong(dataPos);
+ tocout.close();
+
+ out.seek(tocPos);
+ out.write(toc.toByteArray());
+ out.seek(dataPos);
+ }
+
+ private void writev6Index(RandomAccessFile out, boolean skipHtml) throws IOException {
+ ByteArrayOutputStream toc = new ByteArrayOutputStream();
+ DataOutputStream tocout = new DataOutputStream(toc);
+
+ out.writeInt(indices.size());
+ long tocPos = out.getFilePointer();
+ out.seek(tocPos + indices.size() * 8 + 8);
+ for (Index idx : indices) {
+ // create pruned index for skipHtml feature
+ int[] prunedRowIdx = null;
+ int prunedSize = 0;
+ if (skipHtml) {
+ prunedRowIdx = new int[idx.rows.size()];
+ for (int i = 0; i < idx.rows.size(); i++) {
+ final RowBase r = idx.rows.get(i);
+ // prune Html entries
+ boolean pruned = r instanceof HtmlEntry.Row;
+ prunedRowIdx[i] = pruned ? -1 : prunedSize;
+ if (!pruned) prunedSize++;
+ }
+ }
+
+ long dataPos = out.getFilePointer();
+ tocout.writeLong(dataPos);
+
+ out.writeUTF(idx.shortName);
+ out.writeUTF(idx.longName);
+ out.writeUTF(idx.sortLanguage.getIsoCode());
+ out.writeUTF(idx.normalizerRules);
+ out.writeBoolean(idx.swapPairEntries);
+ out.writeInt(idx.mainTokenCount);
+ writev6IndexEntries(out, idx.sortedIndexEntries, prunedRowIdx);
+
+ // write stoplist, serializing the whole Set *shudder*
+ final ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ final ObjectOutputStream oos = new ObjectOutputStream(baos);
+ oos.writeObject(idx.stoplist);
+ oos.close();
+ final byte[] bytes = baos.toByteArray();
+
+
+ DataOutputStream outb = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(out.getFD())));
+ outb.writeInt(bytes.length);
+ outb.write(bytes);
+
+ outb.writeInt(skipHtml ? prunedSize : idx.rows.size());
+ outb.writeInt(5);
+ for (RowBase r : idx.rows) {
+ int type = 0;
+ if (r instanceof PairEntry.Row) {
+ type = 0;
+ } else if (r instanceof TokenRow) {
+ final TokenRow tokenRow = (TokenRow)r;
+ type = tokenRow.hasMainEntry ? 1 : 3;
+ } else if (r instanceof TextEntry.Row) {
+ type = 2;
+ } else if (r instanceof HtmlEntry.Row) {
+ type = 4;
+ if (skipHtml) continue;
+ } else {
+ throw new RuntimeException("Row type not supported for v6");
+ }
+ outb.writeByte(type);
+ outb.writeInt(r.referenceIndex);
+ }
+ outb.flush();
+ }
+ long dataPos = out.getFilePointer();
+ tocout.writeLong(dataPos);
+ tocout.close();
+
+ out.seek(tocPos);
+ out.write(toc.toByteArray());
+ out.seek(dataPos);
+ }
+
+ public void writev6(DataOutput out, boolean skipHtml) throws IOException {
+ RandomAccessFile raf = (RandomAccessFile)out;
+ raf.writeInt(6);
+ raf.writeLong(creationMillis);
+ raf.writeUTF(dictInfo);
+ System.out.println("sources start: " + raf.getFilePointer());
+ writev6Sources(raf);
+ System.out.println("pair start: " + raf.getFilePointer());
+ writev6PairEntries(raf);
+ System.out.println("text start: " + raf.getFilePointer());
+ writev6TextEntries(raf);
+ System.out.println("html index start: " + raf.getFilePointer());
+ if (skipHtml) writev6EmptyList(raf);
+ else writev6HtmlEntries(raf);
+ System.out.println("indices start: " + raf.getFilePointer());
+ writev6Index(raf, skipHtml);
+ System.out.println("end: " + raf.getFilePointer());
+ raf.writeUTF(END_OF_DICTIONARY);
+ }
+
private final class IndexSerializer implements RAFListSerializer<Index> {
private final FileChannel ch;
- public IndexSerializer(FileChannel ch) {
+ IndexSerializer(FileChannel ch) {
this.ch = ch;
}
projects / Dictionary.git / blobdiff