////////////////////////////////////////////////////////////////////////////////
/// @brief MR line editor
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2014 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///     http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
/// @author Copyright 2011-2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////

#ifndef ARANGODB_MRUBY_MRLINE_EDITOR_H
#define ARANGODB_MRUBY_MRLINE_EDITOR_H 1

#include "Basics/Common.h"

#include "Utilities/LineEditor.h"

#include "MRuby/mr-utils.h"

using namespace triagens;

// -----------------------------------------------------------------------------
// --SECTION--                                              forward declarations
// -----------------------------------------------------------------------------

// -----------------------------------------------------------------------------
// --SECTION--                                                 class MRCompleter
// -----------------------------------------------------------------------------

class MRCompleter : public Completer {
  // -----------------------------------------------------------------------------
  // --SECTION--                                                    public methods
  // -----------------------------------------------------------------------------
  public:
    virtual bool isComplete (std::string const& source, size_t lineno, size_t column);

    virtual void getAlternatives(char const*, std::vector<std::string>&);
};

// -----------------------------------------------------------------------------
// --SECTION--                                                class MRLineEditor
// -----------------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////////////
/// @brief line editor
////////////////////////////////////////////////////////////////////////////////

class MRLineEditor : public LineEditor {
  public:

// -----------------------------------------------------------------------------
// --SECTION--                                      constructors and destructors
// -----------------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////////////
/// @brief constructor
////////////////////////////////////////////////////////////////////////////////

    MRLineEditor (mrb_state*, std::string const& history);

// -----------------------------------------------------------------------------
// --SECTION--                                                    public methods
// -----------------------------------------------------------------------------
  public:

// -----------------------------------------------------------------------------
// --SECTION--                                                 protected methods
// -----------------------------------------------------------------------------
  protected:
    virtual void initializeShell();
// -----------------------------------------------------------------------------
// --SECTION--                                                 private variables
// -----------------------------------------------------------------------------

  private:

////////////////////////////////////////////////////////////////////////////////
/// @brief current text
////////////////////////////////////////////////////////////////////////////////

    std::string _current;

    MRCompleter _completer;
};

#endif

// -----------------------------------------------------------------------------
// --SECTION--                                                       END-OF-FILE
// -----------------------------------------------------------------------------

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