package org.apache.lucene.analysis.ja.util;
/*
* 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.
*/
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
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;
public 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
*/
public CharacterDefinitionWriter() {
Arrays.fill(characterCategoryMap, CharacterDefinition.DEFAULT);
}
/**
* Put mapping from unicode code point to character class.
*
* @param codePoint
* code point
* @param characterClassName character class name
*/
public 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);
}
public 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(String baseDir) throws IOException {
String filename = baseDir + File.separator +
CharacterDefinition.class.getName().replace('.', File.separatorChar) + CharacterDefinition.FILENAME_SUFFIX;
new File(filename).getParentFile().mkdirs();
OutputStream os = new FileOutputStream(filename);
try {
os = new BufferedOutputStream(os);
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);
}
} finally {
os.close();
}
}
}