public DutchAnalyzer(Version matchVersion, CharArraySet stopwords, CharArraySet stemExclusionTable, CharArrayMap <string> stemOverrideDict)
{
this.matchVersion = matchVersion;
this.stoptable = CharArraySet.unmodifiableSet(CharArraySet.copy(matchVersion, stopwords));
this.excltable = CharArraySet.unmodifiableSet(CharArraySet.copy(matchVersion, stemExclusionTable));
if (stemOverrideDict.Empty || !matchVersion.onOrAfter(Version.LUCENE_31))
{
this.stemdict = null;
this.origStemdict = CharArrayMap.unmodifiableMap(CharArrayMap.copy(matchVersion, stemOverrideDict));
}
else
{
this.origStemdict = null;
// we don't need to ignore case here since we lowercase in this analyzer anyway
StemmerOverrideFilter.Builder builder = new StemmerOverrideFilter.Builder(false);
CharArrayMap <string> .EntryIterator iter = stemOverrideDict.entrySet().GetEnumerator();
CharsRef spare = new CharsRef();
while (iter.hasNext())
{
char[] nextKey = iter.nextKey();
spare.copyChars(nextKey, 0, nextKey.Length);
builder.add(spare, iter.currentValue());
}
try
{
this.stemdict = builder.build();
}
catch (IOException ex)
{
throw new Exception("can not build stem dict", ex);
}
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: @Override public boolean incrementToken() throws java.io.IOException
public override bool incrementToken()
{
if (currentMatcher != -1 && nextCapture())
{
Debug.Assert(state != null);
clearAttributes();
restoreState(state);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int start = matchers[currentMatcher].start(currentGroup[currentMatcher]);
int start = matchers[currentMatcher].start(currentGroup[currentMatcher]);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int end = matchers[currentMatcher].end(currentGroup[currentMatcher]);
int end = matchers[currentMatcher].end(currentGroup[currentMatcher]);
posAttr.PositionIncrement = 0;
charTermAttr.copyBuffer(spare.chars, start, end - start);
currentGroup[currentMatcher]++;
return(true);
}
if (!input.incrementToken())
{
return(false);
}
char[] buffer = charTermAttr.buffer();
int length = charTermAttr.length();
spare.copyChars(buffer, 0, length);
state = captureState();
for (int i = 0; i < matchers.Length; i++)
{
matchers[i].reset(spare);
currentGroup[i] = -1;
}
if (preserveOriginal)
{
currentMatcher = 0;
}
else if (nextCapture())
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int start = matchers[currentMatcher].start(currentGroup[currentMatcher]);
int start = matchers[currentMatcher].start(currentGroup[currentMatcher]);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int end = matchers[currentMatcher].end(currentGroup[currentMatcher]);
int end = matchers[currentMatcher].end(currentGroup[currentMatcher]);
// if we start at 0 we can simply set the length and save the copy
if (start == 0)
{
charTermAttr.Length = end;
}
else
{
charTermAttr.copyBuffer(spare.chars, start, end - start);
}
currentGroup[currentMatcher]++;
}
return(true);
}
