| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.lucene.analysis.ja.util; |
| |
| |
| import java.io.BufferedOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.Arrays; |
| |
| import org.apache.lucene.analysis.ja.dict.CharacterDefinition; |
| |
| import org.apache.lucene.codecs.CodecUtil; |
| import org.apache.lucene.store.DataOutput; |
| import org.apache.lucene.store.OutputStreamDataOutput; |
| |
| final class CharacterDefinitionWriter { |
| |
| private final byte[] characterCategoryMap = new byte[0x10000]; |
| |
| private final boolean[] invokeMap = new boolean[CharacterDefinition.CLASS_COUNT]; |
| private final boolean[] groupMap = new boolean[CharacterDefinition.CLASS_COUNT]; |
| |
| /** |
| * Constructor for building. TODO: remove write access |
| */ |
| CharacterDefinitionWriter() { |
| Arrays.fill(characterCategoryMap, CharacterDefinition.DEFAULT); |
| } |
| |
| /** |
| * Put mapping from unicode code point to character class. |
| * |
| * @param codePoint |
| * code point |
| * @param characterClassName character class name |
| */ |
| void putCharacterCategory(int codePoint, String characterClassName) { |
| characterClassName = characterClassName.split(" ")[0]; // use first |
| // category |
| // class |
| |
| // Override Nakaguro |
| if (codePoint == 0x30FB) { |
| characterClassName = "SYMBOL"; |
| } |
| characterCategoryMap[codePoint] = CharacterDefinition.lookupCharacterClass(characterClassName); |
| } |
| |
| void putInvokeDefinition(String characterClassName, int invoke, int group, int length) { |
| final byte characterClass = CharacterDefinition.lookupCharacterClass(characterClassName); |
| invokeMap[characterClass] = invoke == 1; |
| groupMap[characterClass] = group == 1; |
| // TODO: length def ignored |
| } |
| |
| public void write(Path baseDir) throws IOException { |
| Path path = baseDir.resolve(CharacterDefinition.class.getName().replace('.', '/') + CharacterDefinition.FILENAME_SUFFIX); |
| Files.createDirectories(path.getParent()); |
| try (OutputStream os = new BufferedOutputStream(Files.newOutputStream(path))){ |
| final DataOutput out = new OutputStreamDataOutput(os); |
| CodecUtil.writeHeader(out, CharacterDefinition.HEADER, CharacterDefinition.VERSION); |
| out.writeBytes(characterCategoryMap, 0, characterCategoryMap.length); |
| for (int i = 0; i < CharacterDefinition.CLASS_COUNT; i++) { |
| final byte b = (byte) ( |
| (invokeMap[i] ? 0x01 : 0x00) | |
| (groupMap[i] ? 0x02 : 0x00) |
| ); |
| out.writeByte(b); |
| } |
| } |
| } |
| |
| } |