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@skitaoka
skitaoka committed May 28, 2017
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22 changes: 22 additions & 0 deletions .gitignore
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# Compiled class file
*.class

# Log file
*.log

# BlueJ files
*.ctxt

# Mobile Tools for Java (J2ME)
.mtj.tmp/

# Package Files #
*.jar
*.war
*.ear
*.zip
*.tar.gz
*.rar

# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
hs_err_pid*
239 changes: 239 additions & 0 deletions Dictionary.java
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import java.net.URL;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.FileNotFoundException;

import java.util.Arrays;
import java.util.Comparator;
import java.util.Collection;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;

final class Dictionary {
private static final String EXTENSION = ".dic";

public static final String[] NAMES = {
"名詞・一般",
"名詞・サ変接続",
"名詞・ナイ形容詞語幹",
"名詞・形容動詞語幹",
"動詞・自立・サ変・－スル",
"動詞・自立・サ変・－ズル",
"動詞・自立・一段",
"動詞・自立・五段・カ行イ音便",
"動詞・自立・五段・カ行促音便",
"動詞・自立・五段・カ行促音便ユク",
"動詞・自立・五段・ガ行",
"動詞・自立・五段・サ行",
"動詞・自立・五段・タ行",
"動詞・自立・五段・ナ行",
"動詞・自立・五段・バ行",
"動詞・自立・五段・マ行",
"動詞・自立・五段・ラ行",
"動詞・自立・五段・ワ行ウ音便",
"動詞・自立・五段・ワ行促音便",
"動詞・非自立・一段",
"動詞・非自立・五段・カ行イ音便",
"動詞・非自立・五段・サ行",
"動詞・非自立・五段・マ行",
"動詞・非自立・五段・ラ行",
"動詞・非自立・五段・ラ行特殊",
"動詞・非自立・五段・ワ行促音便",
"形容詞・アウオ段",
"形容詞・イ段",
"副詞・一般",
"副詞・助詞類接続",
"連体詞",
"ユーザー定義",
};

// 名詞
public static final int MASK_NOUM_NONE = 0x00000001; // 一般
public static final int MASK_NOUM_SURU = 0x00000002; // サ変接続
public static final int MASK_NOUM_NAI = 0x00000004; // ナイ形容詞語幹
public static final int MASK_NOUM_DA = 0x00000008; // 形容動詞語幹
public static final int MASK_NOUM = MASK_NOUM_NONE
| MASK_NOUM_SURU
| MASK_NOUM_NAI
| MASK_NOUM_DA;

// 動詞
public static final int MASK_VERB_INDEPENDENT_SURU = 0x00000010; // 自立・サ変・－スル
public static final int MASK_VERB_INDEPENDENT_ZURU = 0x00000020; // 自立・サ変・－ズル
public static final int MASK_VERB_INDEPENDENT_1 = 0x00000040; // 自立・一段
public static final int MASK_VERB_INDEPENDENT_5Ki = 0x00000080; // 自立・五段・カ行イ音便
public static final int MASK_VERB_INDEPENDENT_5K_ = 0x00000100; // 自立・五段・カ行促音便
public static final int MASK_VERB_INDEPENDENT_5Ky = 0x00000200; // 自立・五段・カ行促音便ユク
public static final int MASK_VERB_INDEPENDENT_5G = 0x00000400; // 自立・五段・ガ行
public static final int MASK_VERB_INDEPENDENT_5S = 0x00000800; // 自立・五段・サ行
public static final int MASK_VERB_INDEPENDENT_5T = 0x00001000; // 自立・五段・タ行
public static final int MASK_VERB_INDEPENDENT_5N = 0x00002000; // 自立・五段・ナ行
public static final int MASK_VERB_INDEPENDENT_5B = 0x00004000; // 自立・五段・バ行
public static final int MASK_VERB_INDEPENDENT_5M = 0x00008000; // 自立・五段・マ行
public static final int MASK_VERB_INDEPENDENT_5R = 0x00010000; // 自立・五段・ラ行
public static final int MASK_VERB_INDEPENDENT_5Wu = 0x00020000; // 自立・五段・ワ行ウ音便
public static final int MASK_VERB_INDEPENDENT_5W_ = 0x00040000; // 自立・五段・ワ行促音便
public static final int MASK_VERB_INDEPENDENT = MASK_VERB_INDEPENDENT_SURU
| MASK_VERB_INDEPENDENT_ZURU
| MASK_VERB_INDEPENDENT_1
| MASK_VERB_INDEPENDENT_5Ki
| MASK_VERB_INDEPENDENT_5K_
| MASK_VERB_INDEPENDENT_5Ky
| MASK_VERB_INDEPENDENT_5G
| MASK_VERB_INDEPENDENT_5S
| MASK_VERB_INDEPENDENT_5T
| MASK_VERB_INDEPENDENT_5N
| MASK_VERB_INDEPENDENT_5B
| MASK_VERB_INDEPENDENT_5M
| MASK_VERB_INDEPENDENT_5R
| MASK_VERB_INDEPENDENT_5Wu
| MASK_VERB_INDEPENDENT_5W_;
public static final int MASK_VERB_DEPENDENT_1 = 0x00080000; // 非自立・一段
public static final int MASK_VERB_DEPENDENT_5Ki = 0x00100000; // 非自立・五段・カ行イ音便
public static final int MASK_VERB_DEPENDENT_5S = 0x00200000; // 非自立・五段・サ行
public static final int MASK_VERB_DEPENDENT_5M = 0x00400000; // 非自立・五段・マ行
public static final int MASK_VERB_DEPENDENT_5R = 0x00800000; // 非自立・五段・ラ行
public static final int MASK_VERB_DEPENDENT_5Rx = 0x01000000; // 非自立・五段・ラ行特殊
public static final int MASK_VERB_DEPENDENT_5W_ = 0x02000000; // 非自立・五段・ワ行促音便
public static final int MASK_VERB_DEPENDENT = MASK_VERB_DEPENDENT_1
| MASK_VERB_DEPENDENT_5Ki
| MASK_VERB_DEPENDENT_5S
| MASK_VERB_DEPENDENT_5M
| MASK_VERB_DEPENDENT_5R
| MASK_VERB_DEPENDENT_5Rx
| MASK_VERB_DEPENDENT_5W_;
public static final int MASK_VERB = MASK_VERB_INDEPENDENT | MASK_VERB_DEPENDENT;

// 形容詞
public static final int MASK_ADJECTIVE_AUO = 0x04000000; // 形容詞・アウオ段
public static final int MASK_ADJECTIVE_I = 0x08000000; // 形容詞・イ段
public static final int MASK_ADJECTIVE = MASK_ADJECTIVE_AUO | MASK_ADJECTIVE_I;

// 副詞
public static final int MASK_ADVERB_NONE = 0x10000000; // 副詞・一般
public static final int MASK_ADVERB_PARTICLE = 0x20000000; // 副詞・助詞類接続
public static final int MASK_ADVERB = MASK_ADVERB_NONE | MASK_ADVERB_PARTICLE;

// 連体詞
public static final int MASK_ADNOMINAL = 0x40000000;

// ユーザー定義
public static final int MASK_USER = 0x80000000;

// 全て
public static final int MASK_ALL = MASK_NOUM
| MASK_VERB
| MASK_ADJECTIVE
| MASK_ADVERB
| MASK_ADNOMINAL
| MASK_USER;

private final Word[] words;
private final Trie head;

private Dictionary(final Word[] words) {
this.words = words;
Arrays.sort(words);
this.head = new Trie.Builder().build(words);
}

public static final class Builder {
public Dictionary build() {
final List<Word> words = new ArrayList<Word>();

for (int i = 0, size = Dictionary.NAMES.length; i < size; ++i) {
final URL dictionary = Dictionary.class.getResource("dic/" + Dictionary.NAMES[i] + Dictionary.EXTENSION);

final Map<String, String> map = new HashMap<String, String>();
try {
final BufferedReader in = new BufferedReader(new InputStreamReader(dictionary.openStream()));
try {
String line;
for (int ln = 1; (line = in.readLine()) != null; ++ln) {
line = line.trim();
if (line.isEmpty()) {
continue;
}
final String[] entry = line.split("\\s");
if (entry.length != 2) {
System.err.printf("%s(%d): %s\n", dictionary.getFile(), ln, line);
continue;
}
final String kana = entry[0];
final String kanji = entry[1];
{
final String value = map.get(kana);
if (value == null) {
map.put(kana, kanji);
} else {
map.put(kana, value + "、" + kanji);
}
}
}
} catch (final IOException e) {
} finally {
in.close();
}
} catch (final FileNotFoundException e) {
System.err.printf("辞書ファイルを開けませんでした: %s\n", dictionary.getFile());
} catch (final IOException e) {
// in.close() で例外が生じても無視する。
} finally {
final int feature = 1 << i;
for (final Map.Entry<String, String> e : map.entrySet()) {
words.add(new Word(feature, e.getKey(), e.getValue()));
}
}
}

return new Dictionary(words.toArray(new Word[words.size()]));
}
}

public Word[] match(final Mora[] query) {
final Word[] words = head.match(query);
Arrays.sort(words, new Comparator<Word>() {
@Override
public int compare(final Word w1, final Word w2) {
return w1.distance(query) - w2.distance(query);
}
});
return words;
}

public Word[] matchPrefix(final Mora[] query) {
final Word[] words = head.matchHead(query);
Arrays.sort(words, new Comparator<Word>() {
@Override
public int compare(final Word w1, final Word w2) {
return w1.distanceHead(query) - w2.distanceHead(query);
}
});
return words;
}

public Word[] matchPostfix(final Mora[] query) {
final Word[] words = head.matchTail(query);
Arrays.sort(words, new Comparator<Word>() {
@Override
public int compare(final Word w1, final Word w2) {
return w1.distanceTail(query) - w2.distanceTail(query);
}
});
return words;
}

public Word[] matchInternal(final Mora[] query) {
final List<Word> list = new ArrayList<Word>();
for (final Word word : words) {
if (word.matchInternal(query)) {
list.add(word);
}
}
return list.toArray(new Word[list.size()]);
}
}
21 changes: 21 additions & 0 deletions LICENSE
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MIT License

Copyright (c) 2017 Shinya Kitaoka

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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