+// Copyright 2011 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
package com.hughes.android.dictionary.engine;
+import java.io.DataInput;
+import java.io.DataOutput;
import java.io.IOException;
-import java.io.RandomAccessFile;
+import java.io.PrintStream;
+import java.util.ArrayList;
+import java.util.Collections;
import java.util.List;
+import java.util.regex.Pattern;
+
+import com.hughes.util.StringUtil;
+import com.hughes.util.raf.RAFListSerializerSkippable;
+import com.ibm.icu.text.Transliterator;
+
+public class PairEntry extends AbstractEntry implements Comparable<PairEntry> {
-public class PairEntry extends Entry {
+ public final List<Pair> pairs;
- @Override
- List<String> getMainTokens() {
- return null;
- }
+ public PairEntry(final EntrySource entrySource) {
+ super(entrySource);
+ pairs = new ArrayList<>(1);
+ }
- @Override
- List<String> getOtherTokens() {
- return null;
- }
+ public PairEntry(final EntrySource entrySource, final String lang1, final String lang2) {
+ this(entrySource);
+ this.pairs.add(new Pair(lang1, lang2));
+ }
-
- public static class Row extends RowWithIndex {
- Row(final RandomAccessFile raf, final int thisRowIndex,
- final Index index) throws IOException {
- super(raf, thisRowIndex, index);
+ public PairEntry(final Dictionary dictionary, final DataInput raf, final int index)
+ throws IOException {
+ super(dictionary, raf, index);
+ final int size = dictionary.dictFileVersion >= 7 ? StringUtil.readVarInt(raf) : raf.readInt();
+ // Use singletonList for better performance in common case
+ if (size == 1) pairs = Collections.singletonList(new Pair(raf.readUTF(), raf.readUTF()));
+ else
+ {
+ pairs = new ArrayList<>(size);
+ for (int i = 0; i < size; ++i) {
+ pairs.add(new Pair(raf.readUTF(), raf.readUTF()));
+ }
+ }
}
- public PairEntry getEntry() {
- return index.dict.pairEntries.get(referenceIndex);
+
+ @Override
+ public void write(DataOutput raf) throws IOException {
+ super.write(raf);
+ StringUtil.writeVarInt(raf, pairs.size());
+ for (Pair p : pairs) {
+ assert p.lang1.length() > 0;
+ raf.writeUTF(p.lang1);
+ raf.writeUTF(p.lang2);
+ }
}
- }
+ static final class Serializer implements RAFListSerializerSkippable<PairEntry> {
+
+ final Dictionary dictionary;
+
+ Serializer(Dictionary dictionary) {
+ this.dictionary = dictionary;
+ }
+
+ @Override
+ public PairEntry read(DataInput raf, int index) throws IOException {
+ return new PairEntry(dictionary, raf, index);
+ }
+
+ @Override
+ public void skip(DataInput raf, int index) throws IOException {
+ final int size;
+ if (dictionary.dictFileVersion >= 7)
+ {
+ StringUtil.readVarInt(raf);
+ size = StringUtil.readVarInt(raf);
+ }
+ else
+ {
+ raf.skipBytes(2);
+ size = raf.readInt();
+ }
+ for (int i = 0; i < 2*size; ++i) {
+ int l = raf.readUnsignedShort();
+ raf.skipBytes(l);
+ }
+ }
+
+ @Override
+ public void write(DataOutput raf, PairEntry t) throws IOException {
+ t.write(raf);
+ }
+ }
+
+ @Override
+ public void addToDictionary(final Dictionary dictionary) {
+ assert index == -1;
+ dictionary.pairEntries.add(this);
+ index = dictionary.pairEntries.size() - 1;
+ }
+
+ @Override
+ public RowBase CreateRow(int rowIndex, Index dictionaryIndex) {
+ return new Row(this.index, rowIndex, dictionaryIndex);
+ }
+
+ // --------------------------------------------------------------------
+
+ public static class Row extends RowBase {
+
+ Row(final DataInput raf, final int thisRowIndex,
+ final Index index, int extra) throws IOException {
+ super(raf, thisRowIndex, index, extra);
+ }
+
+ Row(final int referenceIndex, final int thisRowIndex,
+ final Index index) {
+ super(referenceIndex, thisRowIndex, index);
+ }
+
+ @Override
+ public String toString() {
+ return getRawText(false);
+ }
+
+ public PairEntry getEntry() {
+ return index.dict.pairEntries.get(referenceIndex);
+ }
+
+ @Override
+ public void print(PrintStream out) {
+ final PairEntry pairEntry = getEntry();
+ for (int i = 0; i < pairEntry.pairs.size(); ++i) {
+ out.print((i == 0 ? " " : " ") + pairEntry.pairs.get(i));
+ out.println();
+ }
+ }
+
+ @Override
+ public String getRawText(boolean compact) {
+ final PairEntry pairEntry = getEntry();
+ return pairEntry.getRawText(compact);
+ }
+
+ @Override
+ public RowMatchType matches(final List<String> searchTokens,
+ final Pattern orderedMatchPattern, final Transliterator normalizer,
+ final boolean swapPairEntries) {
+ final int side = swapPairEntries ? 1 : 0;
+ final List<Pair> pairs = getEntry().pairs;
+ final String[] pairSides = new String[pairs.size()];
+ for (int i = 0; i < pairs.size(); ++i) {
+ pairSides[i] = normalizer.transform(pairs.get(i).get(side));
+ }
+ for (int i = searchTokens.size() - 1; i >= 0; --i) {
+ final String searchToken = searchTokens.get(i);
+ boolean found = false;
+ for (final String pairSide : pairSides) {
+ found |= pairSide.contains(searchToken);
+ }
+ if (!found) {
+ return RowMatchType.NO_MATCH;
+ }
+ }
+ for (final String pairSide : pairSides) {
+ if (orderedMatchPattern.matcher(pairSide).find()) {
+ return RowMatchType.ORDERED_MATCH;
+ }
+ }
+ return RowMatchType.BAG_OF_WORDS_MATCH;
+ }
+
+ @Override
+ public int getSideLength(boolean swapPairEntries) {
+ int result = 0;
+ final int side = swapPairEntries ? 1 : 0;
+ for (final Pair pair : getEntry().pairs) {
+ result += pair.get(side).length();
+ }
+ return result;
+ }
+
+ }
+
+ private String getRawText(final boolean compact) {
+ if (compact) {
+ return this.pairs.get(0).toStringTab();
+ }
+ final StringBuilder builder = new StringBuilder();
+ for (int i = 0; i < this.pairs.size(); ++i) {
+ if (i > 0) {
+ builder.append(" | ");
+ }
+ builder.append(this.pairs.get(i).lang1);
+ }
+ builder.append("\t");
+ for (int i = 0; i < this.pairs.size(); ++i) {
+ if (i > 0) {
+ builder.append(" | ");
+ }
+ builder.append(this.pairs.get(i).lang2);
+ }
+ return builder.toString();
+ }
+
+ @Override
+ public int compareTo(/*@NonNull*/ final PairEntry that) {
+ return this.getRawText(false).compareTo(that.getRawText(false));
+ }
+
+ @Override
+ public String toString() {
+ return getRawText(false);
+ }
+
+ // -----------------------------------------------------------------------
+
+ public static final class Pair {
+
+ public final String lang1;
+ public final String lang2;
+
+ @SuppressWarnings("WeakerAccess")
+ public Pair(final String lang1, final String lang2) {
+ this.lang1 = lang1;
+ this.lang2 = lang2;
+ assert lang1.trim().length() > 0 && lang2.trim().length() > 0 : "Empty pair!!!";
+ }
+
+ public Pair(final String lang1, final String lang2, final boolean swap) {
+ this(swap ? lang2 : lang1, swap ? lang1 : lang2);
+ }
+
+ public String toString() {
+ return lang1 + " :: " + lang2;
+ }
+
+ String toStringTab() {
+ return lang1 + "\t" + lang2;
+ }
+
+ public String get(int i) {
+ if (i == 0) {
+ return lang1;
+ } else if (i == 1) {
+ return lang2;
+ }
+ throw new IllegalArgumentException();
+ }
+
+ @Override
+ public boolean equals(Object o)
+ {
+ if (o == this) return true;
+ if (!(o instanceof Pair)) return false;
+ Pair p = (Pair)o;
+ return p.lang1.equals(lang1) && p.lang2.equals(lang2);
+ }
+
+ @Override
+ public int hashCode()
+ {
+ return (lang1 + "|" + lang2).hashCode();
+ }
+ }
}
projects / Dictionary.git / blobdiff