public void TestLatticeToDot()
{
GraphvizFormatter gv2 = new GraphvizFormatter(ConnectionCosts.Instance);
Analyzer analyzer = Analyzer.NewAnonymous(createComponents: (fieldName, reader) =>
{
JapaneseTokenizer tokenizer = new JapaneseTokenizer(reader, ReadDict(), false, JapaneseTokenizerMode.SEARCH)
{
GraphvizFormatter = gv2
};
return(new TokenStreamComponents(tokenizer, tokenizer));
});
String input = "スペースステーションに行きます。うたがわしい。";
String[] surfaceForms =
{
"スペース", "ステーション", "に", "行き", "ます", "。",
"うたがわしい", "。"
};
AssertAnalyzesTo(analyzer,
input,
surfaceForms);
assertTrue(gv2.Finish().IndexOf("22.0", StringComparison.Ordinal) != -1);
}
public JaRomajiTagGenerator(JaRomajiTagGeneratorConfig config)
: base(config)
{
analyzer = Analyzer.NewAnonymous((fieldName, reader) =>
{
Tokenizer tokenizer = new JapaneseTokenizer(reader, null, true, JapaneseTokenizerMode.SEARCH);
return(new TokenStreamComponents(tokenizer, new JapaneseReadingFormFilter(tokenizer, false)));
});
}
public void Main()
{
const string s = "関西国際空港";
Console.WriteLine($"対象の文字列:{s}");
using var reader = new StringReader(s);
Tokenizer tokenizer = new JapaneseTokenizer(reader, ReadDict(), false, JapaneseTokenizerMode.NORMAL);
var tokenStreamComponents = new TokenStreamComponents(tokenizer, tokenizer);
using var tokenStream = tokenStreamComponents.TokenStream;
// note:処理の実行前にResetを実行する必要がある
tokenStream.Reset();
while (tokenStream.IncrementToken())
{
Console.WriteLine("---");
Console.WriteLine(
$"ICharTermAttribute=>{tokenStream.GetAttribute<ICharTermAttribute>().ToString()}");
Console.WriteLine(
$"ITermToBytesRefAttribute#BytesRef=>{tokenStream.GetAttribute<ITermToBytesRefAttribute>().BytesRef}");
Console.WriteLine(
$"IOffsetAttribute#StartOffset=>{tokenStream.GetAttribute<IOffsetAttribute>().StartOffset}");
Console.WriteLine(
$"IOffsetAttribute#EndOffset=>{tokenStream.GetAttribute<IOffsetAttribute>().EndOffset}");
Console.WriteLine(
$"IPositionIncrementAttribute=>{tokenStream.GetAttribute<IPositionIncrementAttribute>().PositionIncrement}");
Console.WriteLine(
$"IPositionLengthAttribute=>{tokenStream.GetAttribute<IPositionLengthAttribute>().PositionLength}");
Console.WriteLine(
$"IBaseFormAttribute#GetBaseForm=>{tokenStream.GetAttribute<IBaseFormAttribute>().GetBaseForm()}");
Console.WriteLine(
$"IPartOfSpeechAttribute#GetPartOfSpeech=>{tokenStream.GetAttribute<IPartOfSpeechAttribute>().GetPartOfSpeech()}");
Console.WriteLine(
$"IReadingAttribute#GetReading=>{tokenStream.GetAttribute<IReadingAttribute>().GetReading()}");
Console.WriteLine(
$"IReadingAttribute#GetPronunciation=>{tokenStream.GetAttribute<IReadingAttribute>().GetPronunciation()}");
Console.WriteLine(
$"IInflectionAttribute#GetInflectionForm=>{tokenStream.GetAttribute<IInflectionAttribute>().GetInflectionForm()}");
Console.WriteLine(
$"IInflectionAttribute#GetInflectionType=>{tokenStream.GetAttribute<IInflectionAttribute>().GetInflectionType()}");
Console.WriteLine("---");
}
}
protected override TokenStreamComponents CreateComponents(string fieldName, TextReader reader)
{
Tokenizer tokenizer = new JapaneseTokenizer(reader, userDict, true, mode);
TokenStream stream = new JapaneseBaseFormFilter(tokenizer);
stream = new JapanesePartOfSpeechStopFilter(m_matchVersion, stream, stoptags);
stream = new CJKWidthFilter(stream);
stream = new StopFilter(m_matchVersion, stream, m_stopwords);
stream = new JapaneseKatakanaStemFilter(stream);
stream = new LowerCaseFilter(m_matchVersion, stream);
return(new TokenStreamComponents(tokenizer, stream));
}
// Backtraces another incremental fragment:
internal void OnBacktrace(JapaneseTokenizer tok, WrappedPositionArray positions, int lastBackTracePos, Position endPosData, int fromIDX, char[] fragment, bool isEnd)
{
SetBestPathMap(positions, lastBackTracePos, endPosData, fromIDX);
sb.Append(FormatNodes(tok, positions, lastBackTracePos, endPosData, fragment));
if (isEnd)
{
sb.Append(" fini [style=invis]\n");
sb.Append(" ");
sb.Append(GetNodeID(endPosData.pos, fromIDX));
sb.Append(" -> fini [label=\"" + EOS_LABEL + "\"]");
}
}
public void TestRomajiReadingsHalfWidth()
{
Analyzer a = Analyzer.NewAnonymous(createComponents: (fieldName, reader) =>
{
Tokenizer tokenizer = new JapaneseTokenizer(reader, null, true, JapaneseTokenizerMode.SEARCH);
TokenStream stream = new CJKWidthFilter(tokenizer);
return(new TokenStreamComponents(tokenizer, new JapaneseReadingFormFilter(stream, true)));
});
AssertAnalyzesTo(a, "今夜はﾛﾊﾞｰﾄ先生と話した",
new String[] { "kon'ya", "ha", "robato", "sensei", "to", "hanashi", "ta" }
);
}
public void TestKatakanaReadingsHalfWidth()
{
Analyzer a = Analyzer.NewAnonymous(createComponents: (fieldName, reader) =>
{
Tokenizer tokenizer = new JapaneseTokenizer(reader, null, true, JapaneseTokenizerMode.SEARCH);
TokenStream stream = new CJKWidthFilter(tokenizer);
return(new TokenStreamComponents(tokenizer, new JapaneseReadingFormFilter(stream, false)));
});
AssertAnalyzesTo(a, "今夜はﾛﾊﾞｰﾄ先生と話した",
new String[] { "コンヤ", "ハ", "ロバート", "センセイ", "ト", "ハナシ", "タ" }
);
}
public void TestRandomHugeStringsMockGraphAfter()
{
// Randomly inject graph tokens after JapaneseTokenizer:
Random random = Random;
CheckRandomData(random,
Analyzer.NewAnonymous(createComponents: (fieldName, reader) =>
{
Tokenizer tokenizer = new JapaneseTokenizer(reader, ReadDict(), false, JapaneseTokenizerMode.SEARCH);
TokenStream graph = new MockGraphTokenFilter(Random, tokenizer);
return(new TokenStreamComponents(tokenizer, graph));
}),
100 * RandomMultiplier, 8192);
}
public void TestKeyword()
{
CharArraySet exclusionSet = new CharArraySet(TEST_VERSION_CURRENT, AsSet("あり"), false);
Analyzer a = Analyzer.NewAnonymous(createComponents: (fieldName, reader) =>
{
Tokenizer source = new JapaneseTokenizer(reader, null, true, JapaneseTokenizer.DEFAULT_MODE);
TokenStream sink = new SetKeywordMarkerFilter(source, exclusionSet);
return(new TokenStreamComponents(source, new JapaneseBaseFormFilter(sink)));
});
AssertAnalyzesTo(a, "それはまだ実験段階にあります",
new String[] { "それ", "は", "まだ", "実験", "段階", "に", "あり", "ます" }
);
}
private string FormatNodes(JapaneseTokenizer tok, WrappedPositionArray positions, int startPos, Position endPosData, char[] fragment)
{
StringBuilder sb = new StringBuilder();
// Output nodes
for (int pos = startPos + 1; pos <= endPosData.pos; pos++)
{
Position posData = positions.Get(pos);
for (int idx = 0; idx < posData.count; idx++)
{
sb.Append(" ");
sb.Append(GetNodeID(pos, idx));
sb.Append(" [label=\"");
sb.Append(pos);
sb.Append(": ");
sb.Append(posData.lastRightID[idx]);
sb.Append("\"]\n");
}
}
// Output arcs
for (int pos = endPosData.pos; pos > startPos; pos--)
{
Position posData = positions.Get(pos);
for (int idx = 0; idx < posData.count; idx++)
{
Position backPosData = positions.Get(posData.backPos[idx]);
string toNodeID = GetNodeID(pos, idx);
string fromNodeID = GetNodeID(posData.backPos[idx], posData.backIndex[idx]);
sb.Append(" ");
sb.Append(fromNodeID);
sb.Append(" -> ");
sb.Append(toNodeID);
string attrs;
bestPathMap.TryGetValue(fromNodeID, out string path);
if (toNodeID.Equals(path, StringComparison.Ordinal))
{
// This arc is on best path
attrs = " color=\"#40e050\" fontcolor=\"#40a050\" penwidth=3 fontsize=20";
}
else
{
attrs = "";
}
IDictionary dict = tok.GetDict(posData.backType[idx]);
int wordCost = dict.GetWordCost(posData.backID[idx]);
int bgCost = costs.Get(backPosData.lastRightID[posData.backIndex[idx]],
dict.GetLeftId(posData.backID[idx]));
string surfaceForm = new string(fragment,
posData.backPos[idx] - startPos,
pos - posData.backPos[idx]);
sb.Append(" [label=\"");
sb.Append(surfaceForm);
sb.Append(' ');
sb.Append(wordCost);
if (bgCost >= 0)
{
sb.Append('+');
}
sb.Append(bgCost);
sb.Append("\"");
sb.Append(attrs);
sb.Append("]\n");
}
}
return(sb.ToString());
}
