gecko/xpcom/io/nsLocalFileOSX.h

/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla 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/MPL/
 *
 * 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.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2001, 2002
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *  Conrad Carlen <ccarlen@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#ifndef nsLocalFileMac_h_
#define nsLocalFileMac_h_

#include "nsILocalFileMac.h"
#include "nsString.h"
#include "nsIHashable.h"

class nsDirEnumerator;

// Mac OS X 10.4 does not have stat64/lstat64
#if defined(HAVE_STAT64) && defined(HAVE_LSTAT64) && (MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_4)
#define STAT stat64
#define LSTAT lstat64
#else
#define STAT stat
#define LSTAT lstat
#endif

// Mac OS X 10.4 does not have statvfs64
#if defined(HAVE_STATVFS64) && (MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_4)
#define STATVFS statvfs64
#else
#define STATVFS statvfs
#endif

// The native charset of this implementation is UTF-8. The Unicode used by the
// Mac OS file system is decomposed, so "Native" versions of these routines will
// always use decomposed Unicode (NFD). Their "non-Native" counterparts are 
// intended to be simple wrappers which call the "Native" version and convert 
// between UTF-8 and UTF-16. All the work is done on the "Native" side except
// for the conversion to NFC (composed Unicode) done in "non-Native" getters.

class NS_COM nsLocalFile : public nsILocalFileMac,
                           public nsIHashable
{
  friend class nsDirEnumerator;
    
public:
  NS_DEFINE_STATIC_CID_ACCESSOR(NS_LOCAL_FILE_CID)

  nsLocalFile();

  static NS_METHOD nsLocalFileConstructor(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);

  NS_DECL_ISUPPORTS
  NS_DECL_NSIFILE
  NS_DECL_NSILOCALFILE
  NS_DECL_NSILOCALFILEMAC
  NS_DECL_NSIHASHABLE

public:
  static void GlobalInit();
  static void GlobalShutdown();

private:
  ~nsLocalFile();

protected:
  nsLocalFile(const nsLocalFile& src);
  nsresult SetBaseURL(CFURLRef aCFURLRef); // retains aCFURLRef
  nsresult GetFSRefInternal(FSRef& aFSRef);
  nsresult GetPathInternal(nsACString& path); // Returns path respecting mFollowLinks
  nsresult CopyInternal(nsIFile* newParentDir,
                        const nsAString& newName,
                        PRBool followLinks);
  nsresult FillStatBufferInternal(struct STAT *statBuffer);

protected:
  CFURLRef     mBaseURL; // The FS object we represent
  char         mPath[PATH_MAX]; // POSIX path, UTF-8, NULL terminated
  PRPackedBool mFollowLinks;
};

#endif // nsLocalFileMac_h_