// Copyright 2010, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef MOZC_DICTIONARY_USER_DICTIONARY_H_
#define MOZC_DICTIONARY_USER_DICTIONARY_H_
#include <string>
#include <vector>
#include "base/base.h"
#include "base/thread.h"
#include "dictionary/dictionary_interface.h"
#include "dictionary/user_pos.h"
namespace mozc {
class UserDictionaryStorage;
class UserDictionaryReloader;
class UserDictionary : public DictionaryInterface {
public:
UserDictionary();
virtual ~UserDictionary();
virtual Node *LookupPredictive(const char *str, int size,
NodeAllocatorInterface *allocator) const;
virtual Node *LookupExact(const char *str, int size,
NodeAllocatorInterface *allocator) const;
virtual Node *LookupPrefix(const char *str, int size,
NodeAllocatorInterface *allocator) const;
virtual Node *LookupReverse(const char *str, int size,
NodeAllocatorInterface *allocator) const;
// Load dictionary from UserDictionaryStorage.
// mainly for unittesting
bool Load(const UserDictionaryStorage &storage);
// Reload
bool Reload();
// Reload dictionary asynchronously
bool AsyncReload();
// Wait until reloader finishes
void WaitForReloader();
// Return an singleton object
static UserDictionary *GetUserDictionary();
// Set user dicitonary filename for unittesting
static void SetUserDictionaryName(const string &filename);
private:
friend class UserDictionaryTest;
void Clear();
bool CheckReloaderAndDelete() const;
vector<UserPOS::Token *> tokens_;
mutable scoped_ptr<UserDictionaryReloader> reloader_;
DISALLOW_COPY_AND_ASSIGN(UserDictionary);
};
} // namespace mozc
#endif // MOZC_DICTIONARY_USER_DICTIONARY_H_