gecko-dev/xpcom/io/nsLocalFileUnix.h

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C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
* Implementation of nsIFile for ``Unixy'' systems.
*/
#ifndef _nsLocalFileUNIX_H_
#define _nsLocalFileUNIX_H_
#include <sys/stat.h>
#include "nscore.h"
#include "nsString.h"
#ifdef MOZ_WIDGET_COCOA
# include "nsILocalFileMac.h"
#endif
// stat64 and lstat64 are deprecated on OS X. Normal stat and lstat are
// 64-bit by default on OS X 10.6+.
#if defined(HAVE_STAT64) && defined(HAVE_LSTAT64) && !defined(XP_DARWIN)
# 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
#if defined(HAVE_SYS_QUOTA_H) && defined(HAVE_LINUX_QUOTA_H)
# define USE_LINUX_QUOTACTL
#endif
class nsLocalFile final
#ifdef MOZ_WIDGET_COCOA
: public nsILocalFileMac
#else
: public nsIFile
#endif
{
public:
NS_DEFINE_STATIC_CID_ACCESSOR(NS_LOCAL_FILE_CID)
nsLocalFile();
explicit nsLocalFile(const nsACString& aFilePath);
static nsresult nsLocalFileConstructor(const nsIID& aIID,
void** aInstancePtr);
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIFILE
#ifdef MOZ_WIDGET_COCOA
NS_DECL_NSILOCALFILEMAC
#endif
private:
nsLocalFile(const nsLocalFile& aOther);
~nsLocalFile() = default;
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* aNewParent);
nsresult CreateAllAncestors(uint32_t aPermissions);
nsresult GetNativeTargetPathName(nsIFile* aNewParent,
const nsACString& aNewName,
nsACString& aResult);
bool FillStatCache();
nsresult CreateAndKeepOpen(uint32_t aType, int aFlags, uint32_t aPermissions,
bool aSkipAncestors, PRFileDesc** aResult);
enum class TimeField { AccessedTime, ModifiedTime };
nsresult SetTimeImpl(PRTime aTime, TimeField aTimeField, bool aFollowLinks);
nsresult GetTimeImpl(PRTime* aTime, TimeField aTimeField, bool aFollowLinks);
nsresult GetCreationTimeImpl(PRTime* aCreationTime, bool aFollowLinks);
#if defined(USE_LINUX_QUOTACTL)
template <typename StatInfoFunc, typename QuotaInfoFunc>
nsresult GetDiskInfo(StatInfoFunc&& aStatInfoFunc,
QuotaInfoFunc&& aQuotaInfoFunc, int64_t* aResult);
#else
template <typename StatInfoFunc>
nsresult GetDiskInfo(StatInfoFunc&& aStatInfoFunc, int64_t* aResult);
#endif
};
#endif /* _nsLocalFileUNIX_H_ */