libcdoc::MultiDataSource Struct Reference

An abstract base class for multi-stream sources. More...

#include <Io.h>

Inherits libcdoc::DataSource.

Inherited by libcdoc::FileListSource.

Public Member Functions
virtual result_t	getNumComponents ()
virtual result_t	next (std::string &name, int64_t &size)=0
result_t	next (FileInfo &info)
Public Member Functions inherited from libcdoc::DataSource
	DataSource ()=default
virtual	~DataSource ()=default
virtual result_t	seek (size_t pos)
	set stream input pointer
virtual result_t	read (uint8_t *dst, size_t size)
	read bytes from input object
virtual bool	isError ()
	check whether DataConsumer is in error state
virtual bool	isEof ()
	check whether DataConsumer is reached to the end of data
virtual std::string	getLastErrorStr (result_t code) const
	get textual description of the last error
result_t	skip (size_t size)
	skip specified number of bytes
result_t	readAll (DataConsumer &dst)
	read all data and writes to output object
	DataSource (const DataSource &)=delete
DataSource &	operator= (const DataSource &)=delete

Detailed Description

An abstract base class for multi-stream sources.

A next sub-stream is made available by nextFile. The initial state of MultiDataSource does not have any sub-stream open (i.e. the to get the first one, nextFile has to be called).

Member Function Documentation

getNumComponents()

virtual result_t libcdoc::MultiDataSource::getNumComponents ( )

inlinevirtual

Reimplemented in libcdoc::FileListSource.

References libcdoc::NOT_IMPLEMENTED.

next() [1/2]

result_t libcdoc::MultiDataSource::next ( FileInfo &  info )

inline

References libcdoc::FileInfo::name, next(), and libcdoc::FileInfo::size.

Referenced by next().

next() [2/2]

virtual result_t libcdoc::MultiDataSource::next ( std::string &  name, int64_t &  size  )

pure virtual

Implemented in libcdoc::FileListSource.

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The documentation for this struct was generated from the following file:

• Io.h