/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
 * The contents of this file are subject to the Netscape Public
 * License Version 1.1 (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.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is Mozilla Communicator client code, 
 * released March 31, 1998. 
 *
 * The Initial Developer of the Original Code is Netscape Communications 
 * Corporation.  Portions created by Netscape are
 * Copyright (C) 1998-1999 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 *     Doug Turner <dougt@netscape.com>
 *
 * This Original Code has been modified by IBM Corporation. Modifications made by IBM 
 * described herein are Copyright (c) International Business Machines Corporation, 2000.
 * Modifications to Mozilla code or documentation identified per MPL Section 3.3
 *
 * Date             Modified by     Description of modification
 * 04/20/2000       IBM Corp.      OS/2 build.
 */

#ifndef _NS_LOCAL_FILE_H_
#define _NS_LOCAL_FILE_H_

#define NS_LOCAL_FILE_CID {0x2e23e220, 0x60be, 0x11d3, {0x8c, 0x4a, 0x00, 0x00, 0x64, 0x65, 0x73, 0x74}}

#define NS_DECL_NSLOCALFILE_UNICODE_METHODS                                                      \
    nsresult AppendUnicode(const PRUnichar *aNode);                                              \
    nsresult GetUnicodeLeafName(PRUnichar **aLeafName);                                          \
    nsresult SetUnicodeLeafName(const PRUnichar *aLeafName);                                     \
    nsresult CopyToUnicode(nsIFile *aNewParentDir, const PRUnichar *aNewLeafName);               \
    nsresult CopyToFollowingLinksUnicode(nsIFile *aNewParentDir, const PRUnichar *aNewLeafName); \
    nsresult MoveToUnicode(nsIFile *aNewParentDir, const PRUnichar *aNewLeafName);               \
    nsresult GetUnicodeTarget(PRUnichar **aTarget);                                              \
    nsresult GetUnicodePath(PRUnichar **aPath);                                                  \
    nsresult InitWithUnicodePath(const PRUnichar *aPath);                                        \
    nsresult AppendRelativeUnicodePath(const PRUnichar *aRelativePath);

// nsXPComInit needs to know about how we are implemented,
// so here we will export it.  Other users should not depend
// on this.

#include <errno.h>
#include "nsILocalFile.h"

#ifdef XP_WIN
#include "nsLocalFileWin.h"
#elif defined(XP_MACOSX)
#include "nsLocalFileOSX.h"
#elif defined(XP_MAC)
#include "nsLocalFileMac.h"
#elif defined(XP_UNIX) || defined(XP_BEOS)
#include "nsLocalFileUnix.h"
#elif defined(XP_OS2)
#include "nsLocalFileOS2.h"
#else
#error NOT_IMPLEMENTED
#endif

#define NSRESULT_FOR_RETURN(ret) (((ret) < 0) ? NSRESULT_FOR_ERRNO() : NS_OK)

inline nsresult
nsresultForErrno(int err)
{
    switch (err) {
      case 0:
        return NS_OK;
      case ENOENT:
        return NS_ERROR_FILE_TARGET_DOES_NOT_EXIST;
      case ENOTDIR:
        return NS_ERROR_FILE_DESTINATION_NOT_DIR;
#ifdef ENOLINK
      case ENOLINK:
        return NS_ERROR_FILE_UNRESOLVABLE_SYMLINK;
#endif /* ENOLINK */
      case EEXIST:
        return NS_ERROR_FILE_ALREADY_EXISTS;
#ifdef EPERM
      case EPERM:
#endif /* EPERM */
      case EACCES:
        return NS_ERROR_FILE_ACCESS_DENIED;
      default:
        return NS_ERROR_FAILURE;
    }
}

#define NSRESULT_FOR_ERRNO() nsresultForErrno(errno)

void NS_StartupLocalFile();
void NS_ShutdownLocalFile();

#endif