nsLocalFileUnix.h - mozsearch

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/* -*- 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_ */