Quelle nsLocalFileWin.h Sprache: 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/. */

#ifndef _nsLocalFileWIN_H_
#define _nsLocalFileWIN_H_

#include "nscore.h"
#include "nsError.h"
#include "nsString.h"
#include "nsCRT.h"
#include "nsIFile.h"
#include "nsILocalFileWin.h"
#include "nsIClassInfoImpl.h"
#include "prio.h"

#include "mozilla/Attributes.h"

#include <windows.h>
#include <shlobj.h>

#include <sys/stat.h>

class nsLocalFile final : public nsILocalFileWin {
public:
  NS_DEFINE_STATIC_CID_ACCESSOR(NS_LOCAL_FILE_CID)

  nsLocalFile();

  static nsresult nsLocalFileConstructor(const nsIID& aIID,
                                         void** aInstancePtr);

  // nsISupports interface
  NS_DECL_THREADSAFE_ISUPPORTS

  // nsIFile interface
  NS_DECL_NSIFILE

  // nsILocalFileWin interface
  NS_DECL_NSILOCALFILEWIN

public:
  // Removes registry command handler parameters, quotes, and expands
  // environment strings.
  static bool CleanupCmdHandlerPath(nsAString& aCommandHandler);
  // Called off the main thread to open the window revealing the file
  static nsresult RevealFile(const nsString& aResolvedPath);

  // Checks if the filename is one of the windows reserved filenames
  // (com1, com2, etc...) and returns true if so.
  static bool CheckForReservedFileName(const nsString& aFileName);

  // PRFileInfo64 does not hvae an accessTime field;
  struct FileInfo {
    PRFileType type;
    PROffset64 size;
    PRTime creationTime;
    PRTime accessTime;
    PRTime modifyTime;
  };

private:
  // CopyMove and CopySingleFile constants for |options| parameter:
  enum CopyFileOption {
    FollowSymlinks = 1u << 0,
    Move = 1u << 1,
    SkipNtfsAclReset = 1u << 2,
    Rename = 1u << 3
  };

  nsLocalFile(const nsLocalFile& aOther);
  ~nsLocalFile() {}

  bool mDirty;  // cached information can only be used when this is false
  bool mResolveDirty;

  bool mUseDOSDevicePathSyntax;

  // this string will always be in native format!
  nsString mWorkingPath;

  // this will be the resolved path of shortcuts, it will *NEVER*
  // be returned to the user
  nsString mResolvedPath;

  // this string, if not empty, is the *short* pathname that represents
  // mWorkingPath
  nsString mShortWorkingPath;

  FileInfo mFileInfo;

  void MakeDirty() {
    mDirty = true;
    mResolveDirty = true;
    mShortWorkingPath.Truncate();
  }

  nsresult LookupExtensionIn(const char* const* aExtensionsArray,
                             size_t aArrayLength, bool* aResult);

  nsresult ResolveAndStat();
  nsresult Resolve();
  nsresult ResolveSymlink();

  void EnsureShortPath();

  nsresult CopyMove(nsIFile* aNewParentDir, const nsAString& aNewName,
                    uint32_t aOptions);
  nsresult CopySingleFile(nsIFile* aSource, nsIFile* aDest,
                          const nsAString& aNewName, uint32_t aOptions);

  enum class TimeField { AccessedTime, ModifiedTime };

  nsresult SetDateImpl(int64_t aTime, TimeField aTimeField);
  nsresult GetDateImpl(PRTime* aTime, TimeField aTimeField, bool aFollowLinks);
  nsresult HasFileAttribute(DWORD aFileAttrib, bool* aResult);
  nsresult AppendInternal(const nsString& aNode, bool aMultipleComponents);

  nsresult OpenNSPRFileDescMaybeShareDelete(int32_t aFlags, int32_t aMode,
                                            bool aShareDelete,
                                            PRFileDesc** aResult);
};

#endif

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