ezEngine Release 26.9
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Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
ezDataDirectoryReaderWriterBase Class Referenceabstract

This is the base class for all data directory readers/writers. More...

#include <DataDirType.h>

Inheritance diagram for ezDataDirectoryReaderWriterBase:
Inheritance graph
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Public Member Functions

 ezDataDirectoryReaderWriterBase (ezInt32 iDataDirUserData, bool bIsReader)
 The derived class should pass along whether it is a reader or writer.
 
ezResult Open (ezStringView sFile, ezDataDirectoryType *pOwnerDataDirectory, ezFileShareMode::Enum fileShareMode)
 Used by ezDataDirectoryType's to try to open the given file. They need to pass along their own pointer.
 
void Close ()
 Closes this data stream.
 
const ezString128 & GetFilePath () const
 Returns the relative path of this file within the owner data directory.
 
ezDataDirectoryType * GetDataDirectory () const
 Returns the pointer to the data directory, which created this reader/writer.
 
bool IsReader () const
 Returns true if this is a reader stream, false if it is a writer stream.
 
virtual ezUInt64 GetFileSize () const =0
 Returns the current total size of the file.
 
ezInt32 GetDataDirUserData () const
 

Protected Member Functions

virtual ezResult InternalOpen (ezFileShareMode::Enum FileShareMode)=0
 This function must be implemented by the derived class.
 
virtual void InternalClose ()=0
 This function must be implemented by the derived class.
 

Protected Attributes

bool m_bIsReader
 
ezInt32 m_iDataDirUserData = 0
 
ezDataDirectoryType * m_pDataDirType
 
ezString128 m_sFilePath
 

Detailed Description

This is the base class for all data directory readers/writers.

Different data directory types (ZIP file, simple folder, etc.) use different reader/writer types.

Member Function Documentation

◆ GetFileSize()

virtual ezUInt64 ezDataDirectoryReaderWriterBase::GetFileSize ( ) const
pure virtual

Returns the current total size of the file.

Implemented in ezDataDirectory::ArchiveReaderCommon, ezDataDirectory::FolderReader, and ezDataDirectory::FolderWriter.

◆ InternalClose()

virtual void ezDataDirectoryReaderWriterBase::InternalClose ( )
protectedpure virtual

This function must be implemented by the derived class.

Implemented in ezDataDirectory::ArchiveReaderUncompressed, ezDataDirectory::FolderReader, ezDataDirectory::FolderWriter, and ezDataDirectory::FileserveDataDirectoryWriter.

◆ InternalOpen()

virtual ezResult ezDataDirectoryReaderWriterBase::InternalOpen ( ezFileShareMode::Enum  FileShareMode)
protectedpure virtual

This function must be implemented by the derived class.

Implemented in ezDataDirectory::ArchiveReaderUncompressed, ezDataDirectory::FolderReader, ezDataDirectory::FolderWriter, and ezDataDirectory::FileserveDataDirectoryReader.

The documentation for this class was generated from the following files: