#if defined(__WAVE__)
#pragma wave option(preserve: 2, line: 0, output: "preprocessed/file.cpp")
#endif
//  Copyright (c) 2005-2007 Andre Merzky (andre@merzky.net)
//  Copyright (c) 2005-2007 Hartmut Kaiser (hartmut.kaiser@gmail.com)
// 
//  Distributed under the Boost Software License, Version 1.0. (See accompanying 
//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#if defined(__WAVE__)
#pragma wave option(preserve: 0, output: null)
#endif

#include <saga/url.hpp>

#include <saga/adaptors/task.hpp>

#include <impl/packages/file/file.hpp>
#include <saga/adaptors/instance_data.hpp>
#include <saga/adaptors/packages/file_cpi_instance_data.hpp>

#ifdef SAGA_DEBUG
#include <impl/packages/file/preprocessed/file.cpp>
#else

#if defined(__WAVE__)
#pragma wave option(preserve: 2, output: "preprocessed/file.cpp")
#endif
///////////////////////////////////////////////////////////////////////////////
namespace saga 
{ 
  namespace impl 
  {
    file::file (saga::session const & s, std::string   const & url, 
                int mode, saga::off_t pointer)
        : namespace_entry (saga::object::File, s)
    {
        // initialize the instance data
        typedef adaptors::v1_0::file_cpi_instance_data instance_data_type;
        typedef adaptors::instance_data <instance_data_type> file_instance_data;

        // make sure url is valid 
        saga::url file_url(url);
        {
            file_instance_data data;
            data.init_data (this, TR1::shared_ptr <instance_data_type> (
                new instance_data_type (file_url.get_url(), mode, pointer)));
        } // lock goes out of scope
    }
    
    void file::init()
    {
        // initialize a CPI instance and execute required functions (such as
        // creating the file etc.)
        this->initcpi(saga::adaptors::file_cpi);
    }
    
    file::~file (void) 
    {
        // free the instance data
        typedef adaptors::v1_0::file_cpi_instance_data instance_data_type;
        typedef adaptors::instance_data <instance_data_type> file_instance_data;

        file_instance_data data;
        data.release_data (this);
    }

    // API methods not covered by namespace_entry
    SAGA_CALL_IMPL_IMPL_0 (file, file_cpi, saga::off_t,   get_size)

    SAGA_CALL_IMPL_IMPL_1 (file, file_cpi, saga::ssize_t, read,  mutable_buffer)
    SAGA_CALL_IMPL_IMPL_1 (file, file_cpi, saga::ssize_t, write, const_buffer)
    SAGA_CALL_IMPL_IMPL_2 (file, file_cpi, saga::off_t,   seek,  saga::off_t, saga::file::seek_mode)

  } // namespace impl

} // namespace saga
///////////////////////////////////////////////////////////////////////////////

#endif