public override BytesRef encode(char[] buffer, int offset, int length)
{
int payload = ArrayUtil.parseInt(buffer, offset, length); //TODO: improve this so that we don't have to new Strings
sbyte[] bytes = PayloadHelper.encodeInt(payload);
BytesRef result = new BytesRef(bytes);
return(result);
}
/// <summary>
/// refills buffers with new data from the current token.
/// </summary>
private void refill()
{
// compact buffers to keep them smallish if they become large
// just a safety check, but technically we only need the last codepoint
if (bufferLen > 64)
{
int last = bufferLen - 1;
buffer[0] = buffer[last];
startOffset[0] = startOffset[last];
endOffset[0] = endOffset[last];
bufferLen = 1;
index -= last;
}
char[] termBuffer = termAtt.buffer();
int len = termAtt.length();
int start = offsetAtt.startOffset();
int end = offsetAtt.endOffset();
int newSize = bufferLen + len;
buffer = ArrayUtil.grow(buffer, newSize);
startOffset = ArrayUtil.grow(startOffset, newSize);
endOffset = ArrayUtil.grow(endOffset, newSize);
lastEndOffset = end;
if (end - start != len)
{
// crazy offsets (modified by synonym or charfilter): just preserve
for (int i = 0, cp = 0; i < len; i += char.charCount(cp))
{
cp = buffer[bufferLen] = char.codePointAt(termBuffer, i, len);
startOffset[bufferLen] = start;
endOffset[bufferLen] = end;
bufferLen++;
}
}
else
{
// normal offsets
for (int i = 0, cp = 0, cpLen = 0; i < len; i += cpLen)
{
cp = buffer[bufferLen] = char.codePointAt(termBuffer, i, len);
cpLen = char.charCount(cp);
startOffset[bufferLen] = start;
start = endOffset[bufferLen] = start + cpLen;
bufferLen++;
}
}
}