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Generate an additional unhyphenated term for singly hyphenated words: co-worker will index as [co worker], [co-worker] and [coworker]. Only produce terms for alphanumeric hashtags (discard #,xyz)

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This commit is contained in:
Jean-Francois Dockes 2015-08-13 18:18:49 +02:00
parent 4713c3e488
commit 94eb3119ce
1 changed files with 17 additions and 5 deletions
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22
src/common/textsplit.cpp
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@ -290,8 +290,8 @@ bool TextSplit::span_is_acronym(string *acronym)
}
// Generate terms from span. Have to take into account the
// flags: ONLYSPANS, NOSPANS, noNumbers
// Generate terms from span. Have to take into account the
// flags: ONLYSPANS, NOSPANS, noNumbers
bool TextSplit::words_from_span(int bp)
{
#if 0
@ -309,6 +309,17 @@ bool TextSplit::words_from_span(int bp)
// Byte position of the span start
int spboffs = bp - m_span.size();
if (spanwords == 2 && m_span[m_words_in_span[0].second] == '-') {
unsigned int s0 = m_words_in_span[0].first;
unsigned int l0 = m_words_in_span[0].second - m_words_in_span[0].first;
unsigned int s1 = m_words_in_span[1].first;
unsigned int l1 = m_words_in_span[1].second - m_words_in_span[1].first;
string word = m_span.substr(s0, l0) + m_span.substr(s1, l1);
if (l0 && l1)
emitterm(false, word,
m_spanpos, spboffs, spboffs + m_words_in_span[1].second);
}
for (unsigned int i = 0;
i < ((m_flags&TXTS_ONLYSPANS) ? 1 : spanwords);
i++, pos++) {
@ -655,16 +666,16 @@ bool TextSplit::text_to_words(const string &in)
}
break;
case '#':
case '#': {
int w = whatcc(it[it.getCpos()+1]);
// Keep it only at the beginning of a word (hashtag),
if (m_wordLen == 0) {
if (m_wordLen == 0 && isalphanum(w, m_flags)) {
m_wordLen += it.appendchartostring(m_span);
STATS_INC_WORDCHARS;
break;
}
// or at the end (special case for c# ...)
if (m_wordLen > 0) {
int w = whatcc(it[it.getCpos()+1]);
if (w == SPACE || w == '\n' || w == '\r') {
m_wordLen += it.appendchartostring(m_span);
STATS_INC_WORDCHARS;
@ -672,6 +683,7 @@ bool TextSplit::text_to_words(const string &in)
}
}
goto SPACE;
}
break;
case '\n':