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];
CharacterDefinitionWriter() {
Arrays.fill(characterCategoryMap, CharacterDefinition.DEFAULT);
}
void putCharacterCategory(int codePoint, String characterClassName) {
characterClassName = characterClassName.split(" ")[0];
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;
}
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);
}
}
}
}