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// Copyright (C) 2011, 2012, 2013 Google Inc.
//
// This file is part of YouCompleteMe.
//
// YouCompleteMe is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// YouCompleteMe is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with YouCompleteMe. If not, see <http://www.gnu.org/licenses/>.
#include "PythonSupport.h"
#include "standard.h"
#include "Result.h"
#include "Candidate.h"
#include "CandidateRepository.h"
#include "ReleaseGil.h"
#include <boost/algorithm/string.hpp>
#include <boost/algorithm/cxx11/any_of.hpp>
#include <vector>
using boost::algorithm::any_of;
using boost::algorithm::is_upper;
using boost::python::len;
using boost::python::str;
using boost::python::extract;
using boost::python::object;
typedef boost::python::list pylist;
namespace YouCompleteMe {
namespace {
std::string GetUtf8String( const boost::python::object &string_or_unicode ) {
extract< std::string > to_string( string_or_unicode );
if ( to_string.check() )
return to_string();
return extract< std::string >( str( string_or_unicode ).encode( "utf8" ) );
}
std::vector< const Candidate * > CandidatesFromObjectList(
const pylist &candidates,
const std::string &candidate_property ) {
int num_candidates = len( candidates );
std::vector< std::string > candidate_strings;
candidate_strings.reserve( num_candidates );
for ( int i = 0; i < num_candidates; ++i ) {
if ( candidate_property.empty() ) {
candidate_strings.push_back( GetUtf8String( candidates[ i ] ) );
} else {
object holder = extract< object >( candidates[ i ] );
candidate_strings.push_back( GetUtf8String(
holder[ candidate_property.c_str() ] ) );
}
}
return CandidateRepository::Instance().GetCandidatesForStrings(
candidate_strings );
}
} // unnamed namespace
boost::python::list FilterAndSortCandidates(
const boost::python::list &candidates,
const std::string &candidate_property,
const std::string &query ) {
pylist filtered_candidates;
if ( query.empty() ) {
return candidates;
}
int num_candidates = len( candidates );
std::vector< const Candidate * > repository_candidates =
CandidatesFromObjectList( candidates, candidate_property );
std::vector< ResultAnd< int > > object_and_results;
{
ReleaseGil unlock;
Bitset query_bitset = LetterBitsetFromString( query );
bool query_has_uppercase_letters = any_of( query, is_upper() );
for ( int i = 0; i < num_candidates; ++i ) {
const Candidate *candidate = repository_candidates[ i ];
if ( !candidate->MatchesQueryBitset( query_bitset ) )
continue;
Result result = candidate->QueryMatchResult( query,
query_has_uppercase_letters );
if ( result.IsSubsequence() ) {
ResultAnd< int > object_and_result( i, result );
object_and_results.push_back( boost::move( object_and_result ) );
}
}
std::sort( object_and_results.begin(), object_and_results.end() );
}
foreach ( const ResultAnd< int > &object_and_result,
object_and_results ) {
filtered_candidates.append( candidates[ object_and_result.extra_object_ ] );
}
return filtered_candidates;
}
} // namespace YouCompleteMe
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