Rename BinaryDictDecoder to Ver3DictDecoder.

Change-Id: Ibf9b95b658df6e2c2218bdb62e2380f326a03832

1 files changed, 0 insertions, 213 deletions

diff --git a/java/src/com/android/inputmethod/latin/makedict/BinaryDictDecoder.java b/java/src/com/android/inputmethod/latin/makedict/BinaryDictDecoder.java
deleted file mode 100644
index 2007b6284..000000000
--- a/java/src/com/android/inputmethod/latin/makedict/BinaryDictDecoder.java
+++ /dev/null
@@ -1,213 +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.BinaryDictDecoderUtils.DictBuffer;
-import com.android.inputmethod.latin.makedict.FormatSpec.FileHeader;
-import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions;
-import com.android.inputmethod.latin.utils.ByteArrayDictBuffer;
-import com.android.inputmethod.latin.utils.JniUtils;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.RandomAccessFile;
-import java.nio.ByteBuffer;
-import java.nio.channels.FileChannel;
-import java.util.HashMap;
-
-// TODO: Rename this class to "Ver3DictDecoder" or something, and make an interface "DictDecoder".
-@UsedForTesting
-public class BinaryDictDecoder {
-
-    static {
-        JniUtils.loadNativeLibrary();
-    }
-
-    // TODO: implement something sensical instead of just a phony method
-    private static native int doNothing();
-
-    public interface DictionaryBufferFactory {
-        public DictBuffer getDictionaryBuffer(final File file)
-                throws FileNotFoundException, IOException;
-    }
-
-    /**
-     * Creates DictionaryBuffer using a ByteBuffer
-     *
-     * This class uses less memory than DictionaryBufferFromByteArrayFactory,
-     * but doesn't perform as fast.
-     * When operating on a big dictionary, this class is preferred.
-     */
-    public static final class DictionaryBufferFromReadOnlyByteBufferFactory
-            implements DictionaryBufferFactory {
-        @Override
-        public DictBuffer getDictionaryBuffer(final File file)
-                throws FileNotFoundException, IOException {
-            FileInputStream inStream = null;
-            ByteBuffer buffer = null;
-            try {
-                inStream = new FileInputStream(file);
-                buffer = inStream.getChannel().map(FileChannel.MapMode.READ_ONLY,
-                        0, file.length());
-            } finally {
-                if (inStream != null) {
-                    inStream.close();
-                }
-            }
-            if (buffer != null) {
-                return new BinaryDictDecoderUtils.ByteBufferDictBuffer(buffer);
-            }
-            return null;
-        }
-    }
-
-    /**
-     * Creates DictionaryBuffer using a byte array
-     *
-     * This class performs faster than other classes, but consumes more memory.
-     * When operating on a small dictionary, this class is preferred.
-     */
-    public static final class DictionaryBufferFromByteArrayFactory
-            implements DictionaryBufferFactory {
-        @Override
-        public DictBuffer getDictionaryBuffer(final File file)
-                throws FileNotFoundException, IOException {
-            FileInputStream inStream = null;
-            try {
-                inStream = new FileInputStream(file);
-                final byte[] array = new byte[(int) file.length()];
-                inStream.read(array);
-                return new ByteArrayDictBuffer(array);
-            } finally {
-                if (inStream != null) {
-                    inStream.close();
-                }
-            }
-        }
-    }
-
-    /**
-     * Creates DictionaryBuffer using a writable ByteBuffer and a RandomAccessFile.
-     *
-     * This class doesn't perform as fast as other classes,
-     * but this class is the only option available for destructive operations (insert or delete)
-     * on a dictionary.
-     */
-    @UsedForTesting
-    public static final class DictionaryBufferFromWritableByteBufferFactory
-            implements DictionaryBufferFactory {
-        @Override
-        public DictBuffer getDictionaryBuffer(final File file)
-                throws FileNotFoundException, IOException {
-            RandomAccessFile raFile = null;
-            ByteBuffer buffer = null;
-            try {
-                raFile = new RandomAccessFile(file, "rw");
-                buffer = raFile.getChannel().map(FileChannel.MapMode.READ_WRITE, 0, file.length());
-            } finally {
-                if (raFile != null) {
-                    raFile.close();
-                }
-            }
-            if (buffer != null) {
-                return new BinaryDictDecoderUtils.ByteBufferDictBuffer(buffer);
-            }
-            return null;
-        }
-    }
-
-    private final static class HeaderReader {
-        protected static int readVersion(final DictBuffer dictBuffer)
-                throws IOException, UnsupportedFormatException {
-            return BinaryDictDecoderUtils.checkFormatVersion(dictBuffer);
-        }
-
-        protected static int readOptionFlags(final DictBuffer dictBuffer) {
-            return dictBuffer.readUnsignedShort();
-        }
-
-        protected static int readHeaderSize(final DictBuffer dictBuffer) {
-            return dictBuffer.readInt();
-        }
-
-        protected static HashMap<String, String> readAttributes(final DictBuffer dictBuffer,
-                final int headerSize) {
-            final HashMap<String, String> attributes = new HashMap<String, String>();
-            while (dictBuffer.position() < headerSize) {
-                // We can avoid an infinite loop here since dictBuffer.position() is always
-                // increased by calling CharEncoding.readString.
-                final String key = CharEncoding.readString(dictBuffer);
-                final String value = CharEncoding.readString(dictBuffer);
-                attributes.put(key, value);
-            }
-            dictBuffer.position(headerSize);
-            return attributes;
-        }
-    }
-
-    private final File mDictionaryBinaryFile;
-    private DictBuffer mDictBuffer;
-
-    public BinaryDictDecoder(final File file) {
-        mDictionaryBinaryFile = file;
-        mDictBuffer = null;
-    }
-
-    public void openDictBuffer(final DictionaryBufferFactory factory)
-            throws FileNotFoundException, IOException {
-        mDictBuffer = factory.getDictionaryBuffer(mDictionaryBinaryFile);
-    }
-
-    public DictBuffer getDictBuffer() {
-        return mDictBuffer;
-    }
-
-    @UsedForTesting
-    public DictBuffer openAndGetDictBuffer(
-            final DictionaryBufferFactory factory)
-                    throws FileNotFoundException, IOException {
-        openDictBuffer(factory);
-        return getDictBuffer();
-    }
-
-    // TODO : Define public functions of decoders
-    public FileHeader readHeader() throws IOException, UnsupportedFormatException {
-        final int version = HeaderReader.readVersion(mDictBuffer);
-        final int optionsFlags = HeaderReader.readOptionFlags(mDictBuffer);
-
-        final int headerSize = HeaderReader.readHeaderSize(mDictBuffer);
-
-        if (headerSize < 0) {
-            throw new UnsupportedFormatException("header size can't be negative.");
-        }
-
-        final HashMap<String, String> attributes = HeaderReader.readAttributes(mDictBuffer,
-                headerSize);
-
-        final FileHeader header = new FileHeader(headerSize,
-                new FusionDictionary.DictionaryOptions(attributes,
-                        0 != (optionsFlags & FormatSpec.GERMAN_UMLAUT_PROCESSING_FLAG),
-                        0 != (optionsFlags & FormatSpec.FRENCH_LIGATURE_PROCESSING_FLAG)),
-                new FormatOptions(version,
-                        0 != (optionsFlags & FormatSpec.SUPPORTS_DYNAMIC_UPDATE)));
-        return header;
-    }
-}