Used to access diffrent kinds of data. More...

#include <rawdata.h>

Collaboration diagram for FIFE::RawData:

Public Member Functions
	RawData (RawDataSource *datasource)

virtual	~RawData ()

std::vector< uint8_t >	getDataInBytes ()
	get the data as a vector of bytes This does not append a null terminator to the end More...

std::vector< std::string >	getDataInLines ()
	get the data in distinct lines More...

uint32_t	getDataLength () const
	get the complete datalength More...

uint32_t	getCurrentIndex () const
	get the current index More...

void	setIndex (uint32_t index)
	set the current index More...

void	moveIndex (int32_t offset)
	move the current index More...

template<typename T >
T	readSingle ()
	helper-function More...

void	readInto (uint8_t *buffer, size_t len)
	read len bytes into buffer More...

uint8_t	read8 ()
	reads 1 byte More...

uint16_t	read16Little ()
	reads a uint16_t littleEndian and converts them to the host-byteorder More...

uint32_t	read32Little ()
	reads a uint16_t littleEndian and converts them to the host-byteorder More...

uint16_t	read16Big ()
	reads a uint16_t bigEndian and converts them to the host-byteorder More...

uint32_t	read32Big ()
	reads a uint16_t bigEndian and converts them to the host-byteorder More...

std::string	readString (size_t len)
	read a string with len bytes, not assuming a terminating 0 Appends a null terminator character to the end More...

void	read (std::string &outbuffer, int32_t size=-1)
	Reads all data into the buffer This does not append a null terminator to the end Created to especially fulfill python file interface requirements. More...

bool	getLine (std::string &buffer)
	reads until a \n is encountered or no more data is available More...

Private Member Functions
template<typename T >
T	littleToHost (T value) const

template<typename T >
T	bigToHost (T value) const

template<typename T >
T	revert (T value) const

	RawData (const RawData &)

RawData &	operator= (const RawData &)

Static Private Member Functions
static bool	littleEndian ()

Private Attributes
RawDataSource *	m_datasource

size_t	m_index_current

Detailed Description

Used to access diffrent kinds of data.

RawData uses RawDataSource to get the real data - that way the user doesn't have to know where the data comes from (real files, files inside archives etc.)

Definition at line 48 of file rawdata.h.

Constructor & Destructor Documentation

FIFE::RawData::RawData ( RawDataSource * datasource )

Definition at line 41 of file rawdata.cpp.

FIFE::RawData::~RawData ( )

virtual

Definition at line 45 of file rawdata.cpp.

References m_datasource.

FIFE::RawData::RawData ( const RawData & )

private

Member Function Documentation

template<typename T >

T FIFE::RawData::bigToHost ( T value ) const

inlineprivate

Definition at line 167 of file rawdata.h.

References littleEndian(), and revert().

Referenced by read16Big(), and read32Big().

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uint32_t FIFE::RawData::getCurrentIndex ( ) const

get the current index

Returns: the current index

Definition at line 79 of file rawdata.cpp.

References m_index_current.

Referenced by getLine(), moveIndex(), FIFE::OGG_cb::read(), FIFE::ZipSource::readFileToIndex(), and FIFE::OGG_cb::tell().

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std::vector< uint8_t > FIFE::RawData::getDataInBytes ( )

get the data as a vector of bytes This does not append a null terminator to the end

Definition at line 49 of file rawdata.cpp.

References getDataLength(), and readInto().

std::vector< std::string > FIFE::RawData::getDataInLines ( )

get the data in distinct lines

Definition at line 65 of file rawdata.cpp.

References getLine().

uint32_t FIFE::RawData::getDataLength ( ) const

get the complete datalength

Returns: the complete datalength

Definition at line 75 of file rawdata.cpp.

References FIFE::RawDataSource::getSize(), and m_datasource.

Referenced by getDataInBytes(), getLine(), FIFE::AnimationLoader::isLoadable(), FIFE::ObjectLoader::isLoadable(), FIFE::MapLoader::isLoadable(), FIFE::AtlasLoader::isLoadable(), FIFE::AnimationLoader::load(), FIFE::ObjectLoader::load(), FIFE::MapLoader::load(), FIFE::AtlasLoader::load(), FIFE::OGG_cb::read(), read(), readInto(), and setIndex().

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bool FIFE::RawData::getLine ( std::string & buffer )

reads until a \n is encountered or no more data is available

Parameters

buffer if successfull the new string will be assigned to buffer

Returns: true if data was available, false otherwise (in that case buffer won't be touched)

Definition at line 154 of file rawdata.cpp.

References getCurrentIndex(), getDataLength(), and read8().

Referenced by getDataInLines().

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bool FIFE::RawData::littleEndian ( )

staticprivate

Definition at line 166 of file rawdata.cpp.

References FIFE::_log, and FL_LOG.

Referenced by bigToHost(), and littleToHost().

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template<typename T >

T FIFE::RawData::littleToHost ( T value ) const

inlineprivate

Definition at line 160 of file rawdata.h.

References littleEndian(), and revert().

Referenced by read16Little(), and read32Little().

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void FIFE::RawData::moveIndex ( int32_t offset )

move the current index

Parameters

offset the offset

Exceptions

IndexOverflow if we move outside the datalength

Definition at line 90 of file rawdata.cpp.

References getCurrentIndex(), and setIndex().

Referenced by FIFE::ZipSource::readFileToIndex().

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RawData& FIFE::RawData::operator= ( const RawData & )

inlineprivate

Definition at line 183 of file rawdata.h.

void FIFE::RawData::read	(	std::string &	outbuffer,
		int32_t	size = `-1`
	)

Reads all data into the buffer This does not append a null terminator to the end Created to especially fulfill python file interface requirements.

Definition at line 138 of file rawdata.cpp.

References getDataLength(), m_index_current, and readInto().

uint16_t FIFE::RawData::read16Big ( )

reads a uint16_t bigEndian and converts them to the host-byteorder

Exceptions

IndexOverflow

Definition at line 118 of file rawdata.cpp.

References bigToHost().

Referenced by FIFE::LZSSDecoder::decode().

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uint16_t FIFE::RawData::read16Little ( )

reads a uint16_t littleEndian and converts them to the host-byteorder

Exceptions

IndexOverflow

Definition at line 108 of file rawdata.cpp.

References littleToHost().

Referenced by FIFE::ZipSource::readFileToIndex().

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uint32_t FIFE::RawData::read32Big ( )

reads a uint16_t bigEndian and converts them to the host-byteorder

Exceptions

IndexOverflow

Definition at line 123 of file rawdata.cpp.

References bigToHost().

uint32_t FIFE::RawData::read32Little ( )

reads a uint16_t littleEndian and converts them to the host-byteorder

Exceptions

IndexOverflow

Definition at line 113 of file rawdata.cpp.

References littleToHost().

Referenced by FIFE::ZipSource::readFileToIndex().

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uint8_t FIFE::RawData::read8 ( )

reads 1 byte

Definition at line 104 of file rawdata.cpp.

Referenced by getLine().

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void FIFE::RawData::readInto	(	uint8_t *	buffer,
		size_t	len
	)

read len bytes into buffer

Parameters

buffer	the data will be written into it
len	len bytes will be written

Exceptions

IndexOverflow if currentindex + len > getCurrentIndex()

Definition at line 94 of file rawdata.cpp.

References FIFE::_log, FL_LOG, getDataLength(), m_datasource, m_index_current, and FIFE::RawDataSource::readInto().

Referenced by FIFE::LZSSDecoder::decode(), getDataInBytes(), FIFE::ZipSource::open(), FIFE::OGG_cb::read(), read(), readSingle(), and readString().

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template<typename T >

T FIFE::RawData::readSingle ( )

inline

helper-function

reads sizeof(T) bytes - should be used with fixed-size datatypes like uint32_t, uint16_t, uint8_t etc.

Returns: the data

Definition at line 94 of file rawdata.h.

References readInto().

std::string FIFE::RawData::readString ( size_t len )

read a string with len bytes, not assuming a terminating 0 Appends a null terminator character to the end

Parameters

len	the stringlen

Returns: the string

Exceptions

IndexOverflow

Definition at line 128 of file rawdata.cpp.

References readInto().

Referenced by FIFE::AnimationLoader::isLoadable(), FIFE::ObjectLoader::isLoadable(), FIFE::MapLoader::isLoadable(), FIFE::AtlasLoader::isLoadable(), FIFE::AnimationLoader::load(), FIFE::ObjectLoader::load(), FIFE::MapLoader::load(), FIFE::AtlasLoader::load(), and FIFE::ZipSource::readFileToIndex().

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template<typename T >

T FIFE::RawData::revert ( T value ) const

inlineprivate

Definition at line 174 of file rawdata.h.

Referenced by bigToHost(), and littleToHost().

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void FIFE::RawData::setIndex ( uint32_t index )

set the current index

Parameters

index the new index

Exceptions

IndexOverflow if index is >= getDataLength()

Definition at line 83 of file rawdata.cpp.

References getDataLength(), and m_index_current.

Referenced by moveIndex(), FIFE::ZipSource::open(), FIFE::ZipSource::readIndex(), FIFE::OGG_cb::seek(), and FIFE::IndexSaver::~IndexSaver().

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Member Data Documentation

RawDataSource* FIFE::RawData::m_datasource

private

Definition at line 157 of file rawdata.h.

Referenced by getDataLength(), readInto(), and ~RawData().

size_t FIFE::RawData::m_index_current

private

Definition at line 158 of file rawdata.h.

Referenced by getCurrentIndex(), read(), readInto(), and setIndex().

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

engine/core/vfs/raw/rawdata.h
engine/core/vfs/raw/rawdata.cpp

Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation