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Limit WordDB word length to 50 bytes

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Should improve both performance and relevancy of the word completions.
This commit is contained in:
Maxime Coste 2019-03-22 18:03:49 +11:00
parent b9c1fa61a0
commit ad882c3370
1 changed files with 18 additions and 6 deletions
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24
src/word_db.cc
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@ -21,6 +21,8 @@ WordDB& get_word_db(const Buffer& buffer)
struct WordSplitter
{
static constexpr CharCount max_word_len = 50;
struct Iterator
{
Iterator(const char* begin, const WordSplitter& splitter)
@ -34,12 +36,22 @@ struct WordSplitter
const auto* end = m_splitter->m_content.end();
auto extra_chars = m_splitter->m_extra_word_chars;
m_word_begin = m_word_end;
while (m_word_begin != end and not is_word(utf8::codepoint(m_word_begin, end), extra_chars))
utf8::to_next(m_word_begin, end);
m_word_end = m_word_begin;
while (m_word_end != end and is_word(utf8::codepoint(m_word_end, end), extra_chars))
utf8::to_next(m_word_end, end);
while (true)
{
m_word_begin = m_word_end;
while (m_word_begin != end and not is_word(utf8::codepoint(m_word_begin, end), extra_chars))
utf8::to_next(m_word_begin, end);
m_word_end = m_word_begin;
CharCount word_len = 0;
while (m_word_end != end and is_word(utf8::codepoint(m_word_end, end), extra_chars))
{
utf8::to_next(m_word_end, end);
++word_len;
}
if (m_word_begin == end or word_len < max_word_len)
break;
}
return *this;
}