soma::ChainDataSource Class Reference

Abstract base DataSource class to operate on another DataSource (to transform it) More...

#include <soma-io/datasource/chaindatasource.h>

Inheritance diagram for soma::ChainDataSource:

Collaboration diagram for soma::ChainDataSource:

Public Member Functions
	ChainDataSource (carto::rc_ptr< DataSource > ds, const std::string &url=std::string())
virtual	~ChainDataSource ()
void	setSource (carto::rc_ptr< DataSource > ds, const std::string &url=std::string())
carto::rc_ptr< DataSource >	source ()
const carto::rc_ptr< DataSource >	source () const
virtual bool	isOpen () const
virtual bool	open (int mode)
virtual void	close ()
virtual std::string	url () const
Public Member Functions inherited from soma::DataSource
	DataSource ()
virtual	~DataSource ()
int	mode () const
	access mode(s) (read/write): bitwise OR of Mode values More...
virtual DataSource *	clone () const =0
virtual int	iterateMode () const =0
	possible iteration mode(s): bitwise OR of IterateMode values More...
virtual bool	eof () const
virtual bool	operator! () const
virtual	operator bool () const
virtual void	flush ()
virtual offset_t	size () const =0
virtual offset_t	at () const =0
virtual bool	at (offset_t pos)=0
virtual bool	atEnd () const
bool	reset ()
virtual long	readBlock (char *data, unsigned long maxlen)=0
virtual long	writeBlock (const char *data, unsigned long len)=0
virtual int	getch ()=0
virtual int	putch (int ch)=0
virtual bool	ungetch (int ch)=0
virtual bool	allowsMemoryMapping () const =0
Public Member Functions inherited from carto::RCObject
	RCObject ()
	RCObject (const RCObject &)
RCObject &	operator= (const RCObject &)
virtual	~RCObject ()

Protected Attributes
carto::rc_ptr< DataSource >	_source
Protected Attributes inherited from soma::DataSource
int	_mode

Additional Inherited Members
Public Types inherited from soma::DataSource
enum	Mode { Read = 1, Write = 2, ReadWrite = 3 }
enum	IterateMode { DirectAccess = 1, SequentialAccess = 2 }
Public Types inherited from carto::RCObject
typedef int	RefCounterType
Static Public Member Functions inherited from soma::DataSource
static const carto::rc_ptr< DataSource >	none ()
	An empty ref-counter that is more convenient than calling a constructor of rc_ptr<DataSource> (useful when calling functions) More...

Detailed Description

Abstract base DataSource class to operate on another DataSource (to transform it)

Definition at line 50 of file chaindatasource.h.

Constructor & Destructor Documentation

ChainDataSource()

soma::ChainDataSource::ChainDataSource	(	carto::rc_ptr< DataSource >	ds,
		const std::string &	url = std::string()
	)

~ChainDataSource()

virtual soma::ChainDataSource::~ChainDataSource ( )

virtual

Member Function Documentation

close()

virtual void soma::ChainDataSource::close ( )

virtual

Implements soma::DataSource.

isOpen()

virtual bool soma::ChainDataSource::isOpen ( ) const

virtual

Implements soma::DataSource.

open()

virtual bool soma::ChainDataSource::open ( int  mode )

virtual

Implements soma::DataSource.

setSource()

void soma::ChainDataSource::setSource	(	carto::rc_ptr< DataSource >	ds,
		const std::string &	url = std::string()
	)

source() [1/2]

carto::rc_ptr<DataSource> soma::ChainDataSource::source

(

)

source() [2/2]

const carto::rc_ptr<DataSource> soma::ChainDataSource::source

(

)

const

url()

virtual std::string soma::ChainDataSource::url ( ) const

virtual

Reimplemented from soma::DataSource.

Member Data Documentation

_source

carto::rc_ptr<DataSource> soma::ChainDataSource::_source

protected

Definition at line 67 of file chaindatasource.h.

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

• soma-io/datasource/chaindatasource.h