ApplePlatformFile.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
/*=============================================================================================
    ApplePlatformFile.h: Apple platform File functions
==============================================================================================*/
 
#pragma once
#include "GenericPlatform/GenericPlatformFile.h"
 
template <typename FuncType> class TFunctionRef;
 
class CORE_API FApplePlatformFile : public IPhysicalPlatformFile
{
protected:
    virtual FString NormalizeFilename(const TCHAR* Filename);
    virtual FString NormalizeDirectory(const TCHAR* Directory);
public:
    //~ For visibility of overloads we don't override
    using IPhysicalPlatformFile::IterateDirectory;
    using IPhysicalPlatformFile::IterateDirectoryStat;
 
    virtual bool FileExists(const TCHAR* Filename) override;
    virtual int64 FileSize(const TCHAR* Filename) override;
    virtual bool DeleteFile(const TCHAR* Filename) override;
    virtual bool IsReadOnly(const TCHAR* Filename) override;
    virtual bool MoveFile(const TCHAR* To, const TCHAR* From) override;
    virtual bool SetReadOnly(const TCHAR* Filename, bool bNewReadOnlyValue) override;
 
 
    virtual FDateTime GetTimeStamp(const TCHAR* Filename) override;
 
    virtual void SetTimeStamp(const TCHAR* Filename, const FDateTime DateTime) override;
 
    virtual FDateTime GetAccessTimeStamp(const TCHAR* Filename) override;
    virtual FString GetFilenameOnDisk(const TCHAR* Filename) override;
 
    virtual ESymlinkResult IsSymlink(const TCHAR* Filename) override;
 
    virtual IFileHandle* OpenRead(const TCHAR* Filename, bool bAllowWrite = false) override;
    virtual IFileHandle* OpenWrite(const TCHAR* Filename, bool bAppend = false, bool bAllowRead = false) override;
    virtual FOpenMappedResult OpenMappedEx(const TCHAR* Filename, EOpenReadFlags OpenOptions = EOpenReadFlags::None, int64 MaximumSize = 0) override;
    virtual bool DirectoryExists(const TCHAR* Directory) override;
    virtual bool CreateDirectory(const TCHAR* Directory) override;
    virtual bool DeleteDirectory(const TCHAR* Directory) override;
 
    virtual FFileStatData GetStatData(const TCHAR* FilenameOrDirectory) override;
 
    virtual bool IterateDirectory(const TCHAR* Directory, FDirectoryVisitor& Visitor) override;
    virtual bool IterateDirectoryStat(const TCHAR* Directory, FDirectoryStatVisitor& Visitor) override;
 
    virtual bool CopyFile(const TCHAR* To, const TCHAR* From, EPlatformFileRead ReadFlags = EPlatformFileRead::None, EPlatformFileWrite WriteFlags = EPlatformFileWrite::None) override;
private:
    virtual FString ConvertToPlatformPath(const FString& Filename, bool bForWrite, bool bIsPublicWrite) { return Filename; }
    bool IterateDirectoryCommon(const TCHAR* Directory, const TFunctionRef<bool(struct dirent*)>& Visitor);
 
    int32 Stat(const TCHAR* Filename, struct stat* OutFileInfo);
};