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Fuzzy matching:

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1) Handle localized and English searches as equivalent.
2) Search the whole section : group : label string, still give
   precedence to just the label.
This commit is contained in:
bubnikv 2020-05-04 21:22:56 +02:00
parent 0e87226ac9
commit 80b684b4b7
4 changed files with 124 additions and 115 deletions
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1
src/slic3r/GUI/Preset.hpp
View File

@ -125,6 +125,7 @@ public:
TYPE_FILAMENT,
TYPE_SLA_MATERIAL,
TYPE_PRINTER,
TYPE_COUNT,
};
Preset(Type type, const std::string &name, bool is_default = false) : type(type), is_default(is_default), name(name) {}

186
src/slic3r/GUI/Search.cpp
View File

@ -25,41 +25,18 @@ using GUI::into_u8;
namespace Search {
static std::map<Preset::Type, std::string> NameByType = {
{ Preset::TYPE_PRINT, L("Print") },
{ Preset::TYPE_FILAMENT, L("Filament") },
{ Preset::TYPE_SLA_MATERIAL, L("Material") },
{ Preset::TYPE_SLA_PRINT, L("Print") },
{ Preset::TYPE_PRINTER, L("Printer") }
};
FMFlag Option::fuzzy_match(wchar_t const* search_pattern, int& outScore, std::vector<uint16_t> &out_matches) const
static const std::vector<std::wstring>& NameByType()
{
FMFlag flag = fmUndef;
int score;
uint16_t matches[fts::max_matches + 1]; // +1 for the stopper
auto save_matches = [&matches, &out_matches]() {
size_t cnt = 0;
for (; matches[cnt] != fts::stopper; ++cnt);
out_matches.assign(matches, matches + cnt);
};
if (fts::fuzzy_match(search_pattern, label_local.c_str(), score, matches) && outScore < score) {
outScore = score; flag = fmLabelLocal ; save_matches(); }
if (fts::fuzzy_match(search_pattern, group_local.c_str(), score, matches) && outScore < score) {
outScore = score; flag = fmGroupLocal ; save_matches(); }
if (fts::fuzzy_match(search_pattern, category_local.c_str(), score, matches) && outScore < score) {
outScore = score; flag = fmCategoryLocal; save_matches(); }
if (fts::fuzzy_match(search_pattern, opt_key.c_str(), score, matches) && outScore < score) {
outScore = score; flag = fmOptKey ; save_matches(); }
if (fts::fuzzy_match(search_pattern, label.c_str(), score, matches) && outScore < score) {
outScore = score; flag = fmLabel ; save_matches(); }
if (fts::fuzzy_match(search_pattern, group.c_str(), score, matches) && outScore < score) {
outScore = score; flag = fmGroup ; save_matches(); }
if (fts::fuzzy_match(search_pattern, category.c_str(), score, matches) && outScore < score) {
outScore = score; flag = fmCategory ; save_matches(); }
return flag;
static std::vector<std::wstring> data;
if (data.empty()) {
data.assign(Preset::TYPE_COUNT, std::wstring());
data[Preset::TYPE_PRINT ] = _L("Print" ).ToStdWstring();
data[Preset::TYPE_FILAMENT ] = _L("Filament" ).ToStdWstring();
data[Preset::TYPE_SLA_MATERIAL ] = _L("Material" ).ToStdWstring();
data[Preset::TYPE_SLA_PRINT ] = _L("Print" ).ToStdWstring();
data[Preset::TYPE_PRINTER ] = _L("Printer" ).ToStdWstring();
};
return data;
}
void FoundOption::get_marked_label_and_tooltip(const char** label_, const char** tooltip_) const
@ -89,12 +66,16 @@ void OptionsSearcher::append_options(DynamicPrintConfig* config, Preset::Type ty
return;
wxString suffix;
if (gc.category == "Machine limits")
wxString suffix_local;
if (gc.category == "Machine limits") {
suffix = opt_key.back()=='1' ? L("Stealth") : L("Normal");
suffix_local = " " + _(suffix);
suffix = " " + suffix;
}
if (!label.IsEmpty())
options.emplace_back(Option{ boost::nowide::widen(opt_key), type,
(label+ " " + suffix).ToStdWstring(), (_(label)+ " " + _(suffix)).ToStdWstring(),
(label + suffix).ToStdWstring(), (_(label) + suffix_local).ToStdWstring(),
gc.group.ToStdWstring(), _(gc.group).ToStdWstring(),
gc.category.ToStdWstring(), _(gc.category).ToStdWstring() });
};
@ -125,7 +106,7 @@ void OptionsSearcher::append_options(DynamicPrintConfig* config, Preset::Type ty
emplace(opt_key, label);
else
for (int i = 0; i < cnt; ++i)
emplace(opt_key + "#" + std::to_string(i), label);
emplace(opt_key + "[" + std::to_string(i) + "]", label);
/*const GroupAndCategory& gc = groups_and_categories[opt_key];
if (gc.group.IsEmpty() || gc.category.IsEmpty())
@ -179,6 +160,20 @@ bool OptionsSearcher::search()
return search(search_line, true);
}
static bool fuzzy_match(const std::wstring &search_pattern, const std::wstring &label, int& out_score, std::vector<uint16_t> &out_matches)
{
uint16_t matches[fts::max_matches + 1]; // +1 for the stopper
int score;
if (fts::fuzzy_match(search_pattern.c_str(), label.c_str(), score, matches)) {
size_t cnt = 0;
for (; matches[cnt] != fts::stopper; ++cnt);
out_matches.assign(matches, matches + cnt);
out_score = score;
return true;
} else
return false;
}
bool OptionsSearcher::search(const std::string& search, bool force/* = false*/)
{
if (search_line == search && !force)
@ -187,78 +182,95 @@ bool OptionsSearcher::search(const std::string& search, bool force/* = false*/)
found.clear();
bool full_list = search.empty();
wxString sep = " : ";
std::wstring sep = L" : ";
const std::vector<std::wstring>& name_by_type = NameByType();
auto get_label = [this, sep](const Option& opt)
auto get_label = [this, &name_by_type, &sep](const Option& opt)
{
wxString label;
if (view_params.type)
label += _(NameByType[opt.type]) + sep;
if (view_params.category)
label += opt.category_local + sep;
if (view_params.group)
label += opt.group_local + sep;
label += opt.label_local;
return label;
std::wstring out;
const std::wstring *prev = nullptr;
for (const std::wstring * const s : {
view_params.type ? &(name_by_type[opt.type]) : nullptr,
view_params.category ? &opt.category_local : nullptr,
view_params.group ? &opt.group_local : nullptr,
&opt.label_local })
if (s != nullptr && (prev == nullptr || *prev != *s)) {
if (! out.empty())
out += sep;
out += *s;
prev = s;
}
return out;
};
auto get_tooltip = [this, sep](const Option& opt)
auto get_label_english = [this, &name_by_type, &sep](const Option& opt)
{
return _(NameByType[opt.type]) + sep +
std::wstring out;
const std::wstring*prev = nullptr;
for (const std::wstring * const s : {
view_params.type ? &name_by_type[opt.type] : nullptr,
view_params.category ? &opt.category : nullptr,
view_params.group ? &opt.group : nullptr,
&opt.label })
if (s != nullptr && (prev == nullptr || *prev != *s)) {
if (! out.empty())
out += sep;
out += *s;
prev = s;
}
return out;
};
auto get_tooltip = [this, &name_by_type, &sep](const Option& opt)
{
return name_by_type[opt.type] + sep +
opt.category_local + sep +
opt.group_local + sep + opt.label_local;
};
std::vector<uint16_t> matches;
std::vector<uint16_t> matches, matches2;
for (size_t i=0; i < options.size(); i++)
{
const Option &opt = options[i];
if (full_list) {
std::string label = into_u8(get_label(opt));
found.emplace_back(FoundOption{ label, label, into_u8(get_tooltip(opt)), i, fmUndef, 0 });
found.emplace_back(FoundOption{ label, label, boost::nowide::narrow(get_tooltip(opt)), i, 0 });
continue;
}
int score = 0;
FMFlag fuzzy_match_flag = opt.fuzzy_match(boost::nowide::widen(search).c_str(), score, matches);
if (fuzzy_match_flag != fmUndef)
{
wxString label;
if (view_params.type)
label += _(NameByType[opt.type]) + sep;
if (fuzzy_match_flag == fmCategoryLocal)
label += mark_string(opt.category_local, matches) + sep;
else if (view_params.category)
label += opt.category_local + sep;
if (fuzzy_match_flag == fmGroupLocal)
label += mark_string(opt.group_local, matches) + sep;
else if (view_params.group)
label += opt.group_local + sep;
label += ((fuzzy_match_flag == fmLabelLocal) ? mark_string(opt.label_local, matches) : opt.label_local) + sep;
switch (fuzzy_match_flag) {
case fmLabelLocal:
case fmGroupLocal:
case fmCategoryLocal:
break;
case fmLabel: label = get_label(opt) + "(" + mark_string(opt.label, matches) + ")"; break;
case fmGroup: label = get_label(opt) + "(" + mark_string(opt.group, matches) + ")"; break;
case fmCategory: label = get_label(opt) + "(" + mark_string(opt.category, matches) + ")"; break;
case fmOptKey: label = get_label(opt) + "(" + mark_string(opt.opt_key, matches) + ")"; break;
case fmUndef: assert(false); break;
}
std::string label_plain = into_u8(label);
boost::erase_all(label_plain, std::wstring(1, wchar_t(ImGui::ColorMarkerStart)));
boost::erase_all(label_plain, std::wstring(1, wchar_t(ImGui::ColorMarkerEnd)));
found.emplace_back(FoundOption{ label_plain, into_u8(label), into_u8(get_tooltip(opt)), i, fuzzy_match_flag, score });
std::wstring wsearch = boost::nowide::widen(search);
boost::trim_left(wsearch);
std::wstring label = get_label(opt);
std::wstring label_english = get_label_english(opt);
int score = std::numeric_limits<int>::min();
int score2;
matches.clear();
fuzzy_match(wsearch, label, score, matches);
if (fuzzy_match(wsearch, opt.opt_key, score2, matches2) && score2 > score) {
for (fts::pos_type &pos : matches2)
pos += label.size() + 1;
label += L"(" + opt.opt_key + L")";
append(matches, matches2);
score = score2;
}
if (fuzzy_match(wsearch, label_english, score2, matches2) && score2 > score) {
label = std::move(label_english);
matches = std::move(matches2);
score = score2;
}
if (score > std::numeric_limits<int>::min()) {
label = mark_string(label, matches);
std::string label_u8 = into_u8(label);
std::string label_plain = label_u8;
boost::erase_all(label_plain, std::string(1, char(ImGui::ColorMarkerStart)));
boost::erase_all(label_plain, std::string(1, char(ImGui::ColorMarkerEnd)));
found.emplace_back(FoundOption{ label_plain, label_u8, boost::nowide::narrow(get_tooltip(opt)), i, score });
}
}
if (!full_list)
sort_found();
if (search_line != search)
search_line = search;

19
src/slic3r/GUI/Search.hpp
View File

@ -36,20 +36,6 @@ struct GroupAndCategory {
wxString category;
};
// fuzzy_match flag
// Sorted by the order of importance. The outputs will be sorted by the importance if the match value given by fuzzy_match is equal.
enum FMFlag
{
fmUndef = 0, // didn't find
fmOptKey,
fmLabel,
fmLabelLocal,
fmGroup,
fmGroupLocal,
fmCategory,
fmCategoryLocal
};
struct Option {
bool operator<(const Option& other) const { return other.label > this->label; }
bool operator>(const Option& other) const { return other.label < this->label; }
@ -64,8 +50,6 @@ struct Option {
std::wstring group_local;
std::wstring category;
std::wstring category_local;
FMFlag fuzzy_match(wchar_t const *search_pattern, int &outScore, std::vector<uint16_t> &out_matches) const;
};
struct FoundOption {
@ -74,7 +58,6 @@ struct FoundOption {
std::string marked_label;
std::string tooltip;
size_t option_idx {0};
FMFlag category {fmUndef};
int outScore {0};
// Returning pointers to contents of std::string members, to be used by ImGUI for rendering.
@ -106,7 +89,7 @@ class OptionsSearcher
}
void sort_found() {
std::sort(found.begin(), found.end(), [](const FoundOption& f1, const FoundOption& f2) {
return f1.outScore > f2.outScore || (f1.outScore == f2.outScore && int(f1.category) < int(f2.category)); });
return f1.outScore > f2.outScore || (f1.outScore == f2.outScore && f1.label < f2.label); });
};
size_t options_size() const { return options.size(); }

33
src/slic3r/GUI/fts_fuzzy_match.h
View File

@ -57,7 +57,7 @@ namespace fts {
namespace fuzzy_internal {
static bool fuzzy_match_recursive(const char_type * pattern, const char_type * str, int & outScore, const char_type * const strBegin,
pos_type const * srcMatches, pos_type * newMatches, int nextMatch,
int & recursionCount, int recursionLimit);
int recursionCount, const int recursionLimit);
static void copy_matches(pos_type * dst, pos_type const* src);
}
@ -93,8 +93,8 @@ namespace fts {
// Recursion count is input / output to track the maximum depth reached.
// Was given by reference &recursionCount, see discussion in https://github.com/forrestthewoods/lib_fts/issues/21
// int & recursionCount,
int recursionCount,
int recursionLimit)
int recursionCount,
const int recursionLimit)
{
// Count recursions
if (++ recursionCount >= recursionLimit)
@ -183,28 +183,41 @@ namespace fts {
// Initialize score
outScore = 100;
// Start of the first group that contains matches[0].
const char_type *group_start = strBegin + matches[0];
for (const char_type *c = group_start; c >= strBegin && *c != ':'; -- c)
if (*c != ' ' && *c != '\t')
group_start = c;
// Apply leading letter penalty or bonus.
outScore += matches[0] == 0 ?
outScore += matches[0] == int(group_start - strBegin) ?
first_letter_bonus :
std::max(matches[0] * leading_letter_penalty, max_leading_letter_penalty);
std::max((matches[0] - int(group_start - strBegin)) * leading_letter_penalty, max_leading_letter_penalty);
// Apply unmatched letters after the end penalty
// outScore += (int(str - strBegin) - matches[nextMatch-1] + 1) * unmatched_letter_penalty;
// outScore += (int(str - group_start) - matches[nextMatch-1] + 1) * unmatched_letter_penalty;
// Apply unmatched penalty
outScore += (int(str - strBegin) - nextMatch) * unmatched_letter_penalty;
outScore += (int(str - group_start) - nextMatch) * unmatched_letter_penalty;
// Apply ordering bonuses
int sequential_state = sequential_bonus;
for (int i = 0; i < nextMatch; ++i) {
pos_type currIdx = matches[i];
// Check for bonuses based on neighbor character value
if (currIdx > 0) {
if (i > 0 && currIdx == matches[i - 1] + 1)
if (i > 0 && currIdx == matches[i - 1] + 1) {
// Sequential
outScore += sequential_bonus;
outScore += sequential_state;
// Exponential grow of the sequential bonus.
sequential_state = std::min(5 * sequential_bonus, sequential_state + sequential_state / 3);
} else {
// Reset the sequential bonus exponential grow.
sequential_state = sequential_bonus;
}
char_type prev = strBegin[currIdx - 1];
/*
// Camel case
char_type prev = strBegin[currIdx - 1];
if (std::islower(prev) && std::isupper(strBegin[currIdx]))
outScore += camel_bonus;
*/