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author | 2013-12-13 04:15:33 +0000 | |
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committer | 2013-12-13 04:15:33 +0000 | |
commit | 18d033405c18a8dc28f60ca22d1d0df23a679384 (patch) | |
tree | 77ae6dc696eb7f2942e6d5bfebdccb95eebf8a6e /java/src/com/android/inputmethod/latin/makedict/SparseTableContentReader.java | |
parent | 95050f54e92ff5465e713990315e8cf421836a64 (diff) | |
parent | c95efbbd575239b97db20b71fb347b543b5808f8 (diff) | |
download | latinime-18d033405c18a8dc28f60ca22d1d0df23a679384.tar.gz latinime-18d033405c18a8dc28f60ca22d1d0df23a679384.tar.xz latinime-18d033405c18a8dc28f60ca22d1d0df23a679384.zip |
Merge branch 'master' of https://googleplex-android.googlesource.com/_direct/platform/packages/inputmethods/LatinIME
Diffstat (limited to 'java/src/com/android/inputmethod/latin/makedict/SparseTableContentReader.java')
-rw-r--r-- | java/src/com/android/inputmethod/latin/makedict/SparseTableContentReader.java | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/java/src/com/android/inputmethod/latin/makedict/SparseTableContentReader.java b/java/src/com/android/inputmethod/latin/makedict/SparseTableContentReader.java deleted file mode 100644 index 06088b651..000000000 --- a/java/src/com/android/inputmethod/latin/makedict/SparseTableContentReader.java +++ /dev/null @@ -1,120 +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.latin.makedict.BinaryDictDecoderUtils.DictBuffer; -import com.android.inputmethod.latin.makedict.DictDecoder.DictionaryBufferFactory; - -import java.io.File; -import java.io.FileNotFoundException; -import java.io.IOException; - -/** - * An auxiliary class for reading SparseTable and data written by SparseTableContentWriter. - */ -public class SparseTableContentReader { - - /** - * An interface of a function which is passed to SparseTableContentReader.read. - */ - public interface SparseTableContentReaderInterface { - /** - * Reads data. - * - * @param buffer the DictBuffer. The position of the buffer is set to the head of data. - */ - public void read(final DictBuffer buffer); - } - - protected final int mContentCount; - protected final int mBlockSize; - protected final File mBaseDir; - protected final File mLookupTableFile; - protected final File[] mAddressTableFiles; - protected final File[] mContentFiles; - protected DictBuffer mLookupTableBuffer; - protected final DictBuffer[] mAddressTableBuffers; - private final DictBuffer[] mContentBuffers; - protected final DictionaryBufferFactory mFactory; - - /** - * Sole constructor of SparseTableContentReader. - * - * @param name the name of SparseTable. - * @param blockSize the block size of the content table. - * @param baseDir the directory which contains the files of the content table. - * @param contentFilenames the file names of content files. - * @param contentIds the ids of contents. These ids are used for a suffix of a name of - * address files and content files. - * @param factory the DictionaryBufferFactory which is used for opening the files. - */ - public SparseTableContentReader(final String name, final int blockSize, final File baseDir, - final String[] contentFilenames, final String[] contentIds, - final DictionaryBufferFactory factory) { - if (contentFilenames.length != contentIds.length) { - throw new RuntimeException("The length of contentFilenames and the length of" - + " contentIds are different " + contentFilenames.length + ", " - + contentIds.length); - } - mBlockSize = blockSize; - mBaseDir = baseDir; - mFactory = factory; - mContentCount = contentFilenames.length; - mLookupTableFile = new File(baseDir, name + FormatSpec.LOOKUP_TABLE_FILE_SUFFIX); - mAddressTableFiles = new File[mContentCount]; - mContentFiles = new File[mContentCount]; - for (int i = 0; i < mContentCount; ++i) { - mAddressTableFiles[i] = new File(mBaseDir, - name + FormatSpec.CONTENT_TABLE_FILE_SUFFIX + contentIds[i]); - mContentFiles[i] = new File(mBaseDir, contentFilenames[i] + contentIds[i]); - } - mAddressTableBuffers = new DictBuffer[mContentCount]; - mContentBuffers = new DictBuffer[mContentCount]; - } - - public void openBuffers() throws FileNotFoundException, IOException { - mLookupTableBuffer = mFactory.getDictionaryBuffer(mLookupTableFile); - for (int i = 0; i < mContentCount; ++i) { - mAddressTableBuffers[i] = mFactory.getDictionaryBuffer(mAddressTableFiles[i]); - mContentBuffers[i] = mFactory.getDictionaryBuffer(mContentFiles[i]); - } - } - - protected void read(final int contentIndex, final int index, - final SparseTableContentReaderInterface reader) { - if (index < 0 || (index / mBlockSize) * SparseTable.SIZE_OF_INT_IN_BYTES - >= mLookupTableBuffer.limit()) { - return; - } - - mLookupTableBuffer.position((index / mBlockSize) * SparseTable.SIZE_OF_INT_IN_BYTES); - final int posInAddressTable = mLookupTableBuffer.readInt(); - if (posInAddressTable == SparseTable.NOT_EXIST) { - return; - } - - mAddressTableBuffers[contentIndex].position( - (posInAddressTable + index % mBlockSize) * SparseTable.SIZE_OF_INT_IN_BYTES); - final int address = mAddressTableBuffers[contentIndex].readInt(); - if (address == SparseTable.NOT_EXIST) { - return; - } - - mContentBuffers[contentIndex].position(address); - reader.read(mContentBuffers[contentIndex]); - } -}
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