src/dictionary/user_dictionary_stub.h

// Copyright 2010-2015, 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_STUB_H_
#define MOZC_DICTIONARY_USER_DICTIONARY_STUB_H_

#include "base/string_piece.h"
#include "dictionary/dictionary_interface.h"

namespace mozc {

class UserDictionaryStub : public DictionaryInterface {
 public:
  virtual bool HasKey(StringPiece key) const {
    return false;
  }
  virtual bool HasValue(StringPiece value) const {
    return false;
  }

  virtual void LookupPredictive(
      StringPiece key, bool use_kana_modifier_insensitive_lookup,
      Callback *callback) const {}

  virtual void LookupPrefix(
      StringPiece key, bool use_kana_modifier_insensitive_lookup,
      Callback *callback) const {}

  virtual void LookupExact(StringPiece key, Callback *callback) const {}

  virtual void LookupReverse(StringPiece str, Callback *callback) const {}

  virtual bool LookupComment(StringPiece key, StringPiece value,
                             string *comment) const {
    if (key == "comment" || value == "comment") {
      comment->assign("UserDictionaryStub");
      return true;
    }
    return false;
  }
};

}  // namespace mozc

#endif  // MOZC_DICTIONARY_USER_DICTIONARY_STUB_H_