Insert word completion: Use subsequence matching if prefix failed

This commit is contained in:
Maxime Coste 2014-07-30 19:58:34 +01:00
parent 4c31449a65
commit 5fc063c520
3 changed files with 25 additions and 12 deletions

View File

@ -28,7 +28,7 @@ WordDB& get_word_db(const Buffer& buffer)
return cache_val.as<WordDB>();
}
template<bool other_buffers>
template<bool other_buffers, bool subseq>
InsertCompletion complete_word(const Buffer& buffer, ByteCoord cursor_pos)
{
auto pos = buffer.iterator_at(cursor_pos);
@ -51,7 +51,8 @@ InsertCompletion complete_word(const Buffer& buffer, ByteCoord cursor_pos)
auto& word_db = get_word_db(buffer);
std::unordered_set<String> matches;
auto bufmatches = word_db.find_prefix(prefix);
auto bufmatches = subseq ? word_db.find_subsequence(prefix)
: word_db.find_prefix(prefix);
matches.insert(bufmatches.begin(), bufmatches.end());
if (word_db.get_word_occurences(current_word) <= 1)
@ -63,7 +64,9 @@ InsertCompletion complete_word(const Buffer& buffer, ByteCoord cursor_pos)
{
if (buf.get() == &buffer)
continue;
bufmatches = get_word_db(*buf).find_prefix(prefix);
auto buf_word_db = get_word_db(*buf);
bufmatches = subseq ? buf_word_db.find_subsequence(prefix)
: buf_word_db.find_prefix(prefix);
matches.insert(bufmatches.begin(), bufmatches.end());
}
}
@ -285,14 +288,12 @@ bool InsertCompleter::setup_ifn()
}))
return true;
if (completer == "word=buffer" and
try_complete([this](const Buffer& buffer, ByteCoord cursor_pos) {
return complete_word<false>(buffer, cursor_pos);
}))
(try_complete(complete_word<false, false>) or
try_complete(complete_word<false, true>)))
return true;
if (completer == "word=all" and
try_complete([this](const Buffer& buffer, ByteCoord cursor_pos) {
return complete_word<true>(buffer, cursor_pos);
}))
(try_complete(complete_word<true, false>) or
try_complete(complete_word<true, true>)))
return true;
}
return false;
@ -370,9 +371,7 @@ void InsertCompleter::explicit_file_complete()
void InsertCompleter::explicit_word_complete()
{
try_complete([this](const Buffer& buffer, ByteCoord cursor_pos) {
return complete_word<true>(buffer, cursor_pos);
});
try_complete(complete_word<true, true>);
}
void InsertCompleter::explicit_line_complete()

View File

@ -118,6 +118,19 @@ std::vector<String> WordDB::find_prefix(const String& prefix)
return res;
}
std::vector<String> WordDB::find_subsequence(const String& subsequence)
{
update_db();
std::vector<String> res;
for (auto it = m_words.begin(); it != m_words.end(); ++it)
{
if (subsequence_match(it->first, subsequence))
res.push_back(it->first);
}
return res;
}
int WordDB::get_word_occurences(const String& word) const
{
auto it = m_words.find(word);

View File

@ -17,6 +17,7 @@ public:
WordDB(const Buffer& buffer);
std::vector<String> find_prefix(const String& prefix);
std::vector<String> find_subsequence(const String& subsequence);
int get_word_occurences(const String& word) const;
using WordList = std::map<String, int>;