gecko-dev/xpcom/io/nsLocalFileUnix.h
2011-10-14 10:43:35 -05:00

164 lines
4.7 KiB
C++

/* -*- Mode: C++; tab-width: 8; 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 Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Mike Shaver <shaver@mozilla.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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 ***** */
/*
* Implementation of nsIFile for ``Unixy'' systems.
*/
#ifndef _nsLocalFileUNIX_H_
#define _nsLocalFileUNIX_H_
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "nscore.h"
#include "nsString.h"
#include "nsReadableUtils.h"
#include "nsIHashable.h"
#include "nsIClassInfoImpl.h"
#ifdef MOZ_WIDGET_COCOA
#include "nsILocalFileMac.h"
#endif
/**
* we need these for statfs()
*/
#ifdef HAVE_SYS_STATVFS_H
#if defined(__osf__) && defined(__DECCXX)
extern "C" int statvfs(const char *, struct statvfs *);
#endif
#include <sys/statvfs.h>
#endif
#ifdef HAVE_SYS_STATFS_H
#include <sys/statfs.h>
#endif
#if defined(XP_MACOSX) && (defined(HAVE_STATVFS64) || !defined(HAVE_STATVFS))
#error "Double-check which members of the 'STATFS' struct we're using!"
#endif
#ifdef HAVE_STATVFS64
#define STATFS statvfs64
#else
#ifdef HAVE_STATVFS
#define STATFS statvfs
#else
#define STATFS statfs
#endif
#endif
// so we can statfs on freebsd
#if defined(__FreeBSD__)
#define HAVE_SYS_STATFS_H
#define STATFS statfs
#include <sys/param.h>
#include <sys/mount.h>
#endif
#if defined(HAVE_STAT64) && defined(HAVE_LSTAT64)
#if defined (AIX)
#if defined STAT
#undef STAT
#endif
#endif
#define STAT stat64
#define LSTAT lstat64
#define HAVE_STATS64 1
#else
#define STAT stat
#define LSTAT lstat
#endif
class nsLocalFile :
#ifdef MOZ_WIDGET_COCOA
public nsILocalFileMac,
#else
public nsILocalFile,
#endif
public nsIHashable
{
public:
NS_DEFINE_STATIC_CID_ACCESSOR(NS_LOCAL_FILE_CID)
nsLocalFile();
static nsresult nsLocalFileConstructor(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
NS_DECL_ISUPPORTS
NS_DECL_NSIFILE
NS_DECL_NSILOCALFILE
#ifdef MOZ_WIDGET_COCOA
NS_DECL_NSILOCALFILEMAC
#endif
NS_DECL_NSIHASHABLE
public:
static void GlobalInit();
static void GlobalShutdown();
private:
nsLocalFile(const nsLocalFile& other);
~nsLocalFile() {}
protected:
// This stat cache holds the *last stat* - it does not invalidate.
// Call "FillStatCache" whenever you want to stat our file.
struct STAT mCachedStat;
nsCString mPath;
void LocateNativeLeafName(nsACString::const_iterator &,
nsACString::const_iterator &);
nsresult CopyDirectoryTo(nsIFile *newParent);
nsresult CreateAllAncestors(PRUint32 permissions);
nsresult GetNativeTargetPathName(nsIFile *newParent,
const nsACString &newName,
nsACString &_retval);
bool FillStatCache();
nsresult CreateAndKeepOpen(PRUint32 type, PRIntn flags,
PRUint32 permissions, PRFileDesc **_retval);
};
#endif /* _nsLocalFileUNIX_H_ */