1 files changed, 0 insertions, 240 deletions
diff --git a/java/src/com/android/inputmethod/latin/makedict/Ver2DictEncoder.java b/java/src/com/android/inputmethod/latin/makedict/Ver2DictEncoder.java
deleted file mode 100644
index a286190cb..000000000
--- a/java/src/com/android/inputmethod/latin/makedict/Ver2DictEncoder.java
+++ /dev/null
@@ -1,240 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * 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.android.inputmethod.latin.makedict;
-
-import com.android.inputmethod.annotations.UsedForTesting;
-import com.android.inputmethod.latin.makedict.BinaryDictDecoderUtils.CharEncoding;
-import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions;
-import com.android.inputmethod.latin.makedict.FusionDictionary.PtNode;
-import com.android.inputmethod.latin.makedict.FusionDictionary.PtNodeArray;
-
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.util.ArrayList;
-import java.util.Iterator;
-
-/**
- * An implementation of DictEncoder for version 2 binary dictionary.
- */
-@UsedForTesting
-public class Ver2DictEncoder implements DictEncoder {
-
-    private final File mDictFile;
-    private OutputStream mOutStream;
-    private byte[] mBuffer;
-    private int mPosition;
-
-    @UsedForTesting
-    public Ver2DictEncoder(final File dictFile) {
-        mDictFile = dictFile;
-        mOutStream = null;
-        mBuffer = null;
-    }
-
-    // This constructor is used only by BinaryDictOffdeviceUtilsTests.
-    // If you want to use this in the production code, you should consider keeping consistency of
-    // the interface of Ver3DictDecoder by using factory.
-    @UsedForTesting
-    public Ver2DictEncoder(final OutputStream outStream) {
-        mDictFile = null;
-        mOutStream = outStream;
-    }
-
-    private void openStream() throws FileNotFoundException {
-        mOutStream = new FileOutputStream(mDictFile);
-    }
-
-    private void close() throws IOException {
-        if (mOutStream != null) {
-            mOutStream.close();
-            mOutStream = null;
-        }
-    }
-
-    @Override
-    public void writeDictionary(final FusionDictionary dict, final FormatOptions formatOptions)
-            throws IOException, UnsupportedFormatException {
-        if (formatOptions.mVersion > FormatSpec.VERSION2) {
-            throw new UnsupportedFormatException(
-                    "The given format options has wrong version number : "
-                    + formatOptions.mVersion);
-        }
-
-        if (mOutStream == null) {
-            openStream();
-        }
-        BinaryDictEncoderUtils.writeDictionaryHeader(mOutStream, dict, formatOptions);
-
-        // Addresses are limited to 3 bytes, but since addresses can be relative to each node
-        // array, the structure itself is not limited to 16MB. However, if it is over 16MB deciding
-        // the order of the PtNode arrays becomes a quite complicated problem, because though the
-        // dictionary itself does not have a size limit, each node array must still be within 16MB
-        // of all its children and parents. As long as this is ensured, the dictionary file may
-        // grow to any size.
-
-        // Leave the choice of the optimal node order to the flattenTree function.
-        MakedictLog.i("Flattening the tree...");
-        ArrayList<PtNodeArray> flatNodes = BinaryDictEncoderUtils.flattenTree(dict.mRootNodeArray);
-
-        MakedictLog.i("Computing addresses...");
-        BinaryDictEncoderUtils.computeAddresses(dict, flatNodes);
-        MakedictLog.i("Checking PtNode array...");
-        if (MakedictLog.DBG) BinaryDictEncoderUtils.checkFlatPtNodeArrayList(flatNodes);
-
-        // Create a buffer that matches the final dictionary size.
-        final PtNodeArray lastNodeArray = flatNodes.get(flatNodes.size() - 1);
-        final int bufferSize = lastNodeArray.mCachedAddressAfterUpdate + lastNodeArray.mCachedSize;
-        mBuffer = new byte[bufferSize];
-
-        MakedictLog.i("Writing file...");
-
-        for (PtNodeArray nodeArray : flatNodes) {
-            BinaryDictEncoderUtils.writePlacedPtNodeArray(dict, this, nodeArray);
-        }
-        if (MakedictLog.DBG) BinaryDictEncoderUtils.showStatistics(flatNodes);
-        mOutStream.write(mBuffer, 0, mPosition);
-
-        MakedictLog.i("Done");
-        close();
-    }
-
-    @Override
-    public void setPosition(final int position) {
-        if (mBuffer == null || position < 0 || position >= mBuffer.length) return;
-        mPosition = position;
-    }
-
-    @Override
-    public int getPosition() {
-        return mPosition;
-    }
-
-    @Override
-    public void writePtNodeCount(final int ptNodeCount) {
-        final int countSize = BinaryDictIOUtils.getPtNodeCountSize(ptNodeCount);
-        if (countSize != 1 && countSize != 2) {
-            throw new RuntimeException("Strange size from getGroupCountSize : " + countSize);
-        }
-        final int encodedPtNodeCount = (countSize == 2) ?
-                (ptNodeCount | FormatSpec.LARGE_PTNODE_ARRAY_SIZE_FIELD_SIZE_FLAG) : ptNodeCount;
-        mPosition = BinaryDictEncoderUtils.writeUIntToBuffer(mBuffer, mPosition, encodedPtNodeCount,
-                countSize);
-    }
-
-    private void writePtNodeFlags(final PtNode ptNode) {
-        final int childrenPos = BinaryDictEncoderUtils.getChildrenPosition(ptNode);
-        mPosition = BinaryDictEncoderUtils.writeUIntToBuffer(mBuffer, mPosition,
-                BinaryDictEncoderUtils.makePtNodeFlags(ptNode, childrenPos),
-                FormatSpec.PTNODE_FLAGS_SIZE);
-    }
-
-    private void writeCharacters(final int[] codePoints, final boolean hasSeveralChars) {
-        mPosition = CharEncoding.writeCharArray(codePoints, mBuffer, mPosition);
-        if (hasSeveralChars) {
-            mBuffer[mPosition++] = FormatSpec.PTNODE_CHARACTERS_TERMINATOR;
-        }
-    }
-
-    private void writeFrequency(final int frequency) {
-        if (frequency >= 0) {
-            mPosition = BinaryDictEncoderUtils.writeUIntToBuffer(mBuffer, mPosition, frequency,
-                    FormatSpec.PTNODE_FREQUENCY_SIZE);
-        }
-    }
-
-    private void writeChildrenPosition(final PtNode ptNode) {
-        final int childrenPos = BinaryDictEncoderUtils.getChildrenPosition(ptNode);
-        mPosition += BinaryDictEncoderUtils.writeChildrenPosition(mBuffer, mPosition,
-                childrenPos);
-    }
-
-    /**
-     * Write a shortcut attributes list to mBuffer.
-     *
-     * @param shortcuts the shortcut attributes list.
-     */
-    private void writeShortcuts(final ArrayList<WeightedString> shortcuts) {
-        if (null == shortcuts || shortcuts.isEmpty()) return;
-
-        final int indexOfShortcutByteSize = mPosition;
-        mPosition += FormatSpec.PTNODE_SHORTCUT_LIST_SIZE_SIZE;
-        final Iterator<WeightedString> shortcutIterator = shortcuts.iterator();
-        while (shortcutIterator.hasNext()) {
-            final WeightedString target = shortcutIterator.next();
-            final int shortcutFlags = BinaryDictEncoderUtils.makeShortcutFlags(
-                    shortcutIterator.hasNext(),
-                    target.getProbability());
-            mPosition = BinaryDictEncoderUtils.writeUIntToBuffer(mBuffer, mPosition, shortcutFlags,
-                    FormatSpec.PTNODE_ATTRIBUTE_FLAGS_SIZE);
-            final int shortcutShift = CharEncoding.writeString(mBuffer, mPosition, target.mWord);
-            mPosition += shortcutShift;
-        }
-        final int shortcutByteSize = mPosition - indexOfShortcutByteSize;
-        if (shortcutByteSize > FormatSpec.MAX_SHORTCUT_LIST_SIZE_IN_A_PTNODE) {
-            throw new RuntimeException("Shortcut list too large");
-        }
-        BinaryDictEncoderUtils.writeUIntToBuffer(mBuffer, indexOfShortcutByteSize, shortcutByteSize,
-                FormatSpec.PTNODE_SHORTCUT_LIST_SIZE_SIZE);
-    }
-
-    /**
-     * Write a bigram attributes list to mBuffer.
-     *
-     * @param bigrams the bigram attributes list.
-     * @param dict the dictionary the node array is a part of (for relative offsets).
-     */
-    private void writeBigrams(final ArrayList<WeightedString> bigrams,
-            final FusionDictionary dict) {
-        if (bigrams == null) return;
-
-        final Iterator<WeightedString> bigramIterator = bigrams.iterator();
-        while (bigramIterator.hasNext()) {
-            final WeightedString bigram = bigramIterator.next();
-            final PtNode target =
-                    FusionDictionary.findWordInTree(dict.mRootNodeArray, bigram.mWord);
-            final int addressOfBigram = target.mCachedAddressAfterUpdate;
-            final int unigramFrequencyForThisWord = target.getProbability();
-            final int offset = addressOfBigram
-                    - (mPosition + FormatSpec.PTNODE_ATTRIBUTE_FLAGS_SIZE);
-            final int bigramFlags = BinaryDictEncoderUtils.makeBigramFlags(bigramIterator.hasNext(),
-                    offset, bigram.getProbability(), unigramFrequencyForThisWord, bigram.mWord);
-            mPosition = BinaryDictEncoderUtils.writeUIntToBuffer(mBuffer, mPosition, bigramFlags,
-                    FormatSpec.PTNODE_ATTRIBUTE_FLAGS_SIZE);
-            mPosition += BinaryDictEncoderUtils.writeChildrenPosition(mBuffer, mPosition,
-                    Math.abs(offset));
-        }
-    }
-
-    @Override
-    public void writeForwardLinkAddress(final int forwardLinkAddress) {
-        mPosition = BinaryDictEncoderUtils.writeUIntToBuffer(mBuffer, mPosition, forwardLinkAddress,
-                FormatSpec.FORWARD_LINK_ADDRESS_SIZE);
-    }
-
-    @Override
-    public void writePtNode(final PtNode ptNode, final FusionDictionary dict) {
-        writePtNodeFlags(ptNode);
-        writeCharacters(ptNode.mChars, ptNode.hasSeveralChars());
-        writeFrequency(ptNode.getProbability());
-        writeChildrenPosition(ptNode);
-        writeShortcuts(ptNode.mShortcutTargets);
-        writeBigrams(ptNode.mBigrams, dict);
-    }
-}