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// Copyright (C) 2011, 2012 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/>.
#ifndef CANDIDATEREPOSITORY_H_K9OVCMHG
#define CANDIDATEREPOSITORY_H_K9OVCMHG
#include <boost/utility.hpp>
#include <boost/unordered_map.hpp>
#include <boost/thread/mutex.hpp>
#include <vector>
#include <string>
namespace YouCompleteMe {
class Candidate;
struct CompletionData;
typedef boost::unordered_map< std::string, const Candidate * >
CandidateHolder;
// This singleton stores already built Candidate objects for candidate strings
// that were already seen. If Candidates are requested for previously unseen
// strings, new Candidate objects are built.
//
// This is shared by the identifier completer and the clang completer so that
// work is not repeated.
//
// This class is thread-safe.
class CandidateRepository : boost::noncopyable {
public:
static CandidateRepository &Instance();
int NumStoredCandidates();
std::vector< const Candidate * > GetCandidatesForStrings(
const std::vector< std::string > &strings );
#ifdef USE_CLANG_COMPLETER
std::vector< const Candidate * > GetCandidatesForStrings(
const std::vector< CompletionData > &datas );
#endif // USE_CLANG_COMPLETER
private:
CandidateRepository() {};
~CandidateRepository();
boost::mutex holder_mutex_;
static boost::mutex singleton_mutex_;
static CandidateRepository *instance_;
const std::string empty_;
// This data structure owns all the Candidate pointers
CandidateHolder candidate_holder_;
};
} // namespace YouCompleteMe
#endif /* end of include guard: CANDIDATEREPOSITORY_H_K9OVCMHG */
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