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NCBI C++ ToolKit: include/util/compress/stream.hpp Source File

fOwnProcessor = fOwnReader + fOwnWriter,

fOwnAll = fOwnStream + fOwnProcessor

& status,

& description);

EDeleteProcessor need_delete = eNoDelete,

m_Processor && m_Processor->IsBusy() && m_State != eDone;

(

& status,

& description) {

(

& status,

& description) {

& status,

& description) {

* out_buf,

out_size,

Flush (

* out_buf,

out_size,

Finish (

* out_buf,

out_size,

End (

abandon = 0);

streamsize in_bufsize,

streamsize out_bufsize

CTransparentProcessor – memory-copy processor.

CTransparentStreamProcessor – stream processor to copy data "as is".

CT_CHAR_TYPE * m_OutBuf

Buffer of processed data.

virtual void Finalize(CCompressionStream::EDirection dir=CCompressionStream::eWrite)

Finalize stream's compression/decompression process for read/write.

CCompressionStreambuf * m_StreamBuf

Stream buffer.

CCompressionStreamProcessor * m_Writer

Write processor.

void operator<<(bool) const

Disable operator<<(bool)

bool x_GetError(CCompressionStream::EDirection dir, int &status, string &description)

Get error code and description of last compressor/decompressor stream operation.

CCompressionStreamProcessor * m_Reader

Read processor.

virtual bool AllowEmptyData() const

Return TRUE if fAllowEmptyData flag is set for this compression.

bool GetError(int &status, string &description)

Get error code and description of last compressor/decompressor stream operation.

TOwnership m_Ownership

Bitwise OR of EOwnership.

CTransparentProcessor(void)

EState m_State

Stream processor state.

void Create(CNcbiIos &, CCompressionStreamProcessor *, CCompressionStreamProcessor *, TOwnership ownership=0)

Define this method to avoid compiler warnings only.

CCompressionIOStream(void)

Default constructor.

virtual void Finalize(CCompressionStream::EDirection dir=CCompressionStream::eReadWrite)

Finalize stream's compression/decompression process for read/write.

CCompressionProcessor::EStatus GetStatus(void)

Get status of last compression/decompression stream operation.

size_t GetProcessedSize(CCompressionStream::EDirection dir)

Get total number of bytes processed by specified "stream_processor".

void Create(CNcbiIos &stream, CCompressionStreamProcessor *stream_processor, TOwnership ownership=0)

Create stream with specific characteristics later, not necessary in the constructor.

CCompressionIStream(CNcbiIos &stream, CCompressionStreamProcessor *stream_processor, TOwnership ownership=0)

EDeleteProcessor

If to delete the used compression processor in the destructor.

size_t GetProcessedSize(void)

Get total number of bytes processed by "stream_processor".

size_t GetOutputSize(CCompressionStream::EDirection dir)

Get total number of bytes, that "stream_processor" returns.

CCompressionIStream(void)

Default constructor.

size_t GetProcessedSize(void)

Get total number of bytes processed by "stream_processor".

CCompressionProcessor * GetProcessor(void) const

Return a pointer to currently used stream processor.

CCompressionProcessor::EStatus GetStatus(CCompressionStream::EDirection dir)

Get status of last compression/decompression stream operation.

size_t GetOutputSize(void)

Get total number of bytes, that "stream_processor" returns.

CCompressionOStream(CNcbiIos &stream, CCompressionStreamProcessor *stream_processor, TOwnership ownership=0)

size_t x_GetProcessedSize(CCompressionStream::EDirection dir)

Return number of processed bytes.

streamsize m_OutBufSize

Processed data buffer size.

CT_CHAR_TYPE * m_Begin

Begin and end of the pre/post.

CCompressionProcessor::EStatus x_GetStatus(CCompressionStream::EDirection dir)

Get status of last compression/decompression stream operation.

void Create(CNcbiIos &, CCompressionStreamProcessor *, CCompressionStreamProcessor *, TOwnership ownership=0)

Define this method to avoid compiler warnings only.

void Create(CNcbiIos &stream, CCompressionStreamProcessor *read_sp, CCompressionStreamProcessor *write_sp, TOwnership ownership=0)

Create stream with specific characteristics later, not necessary in the constructor.

bool GetError(int &status, string &description)

Get error code and description of last compressor/decompressor stream operation.

CNcbiIos * m_Stream

Underlying stream.

size_t GetOutputSize(void)

Get total number of bytes, that "stream_processor" returns.

CTransparentStreamProcessor(streamsize in_bufsize, streamsize out_bufsize)

Full constructor.

void operator>>(bool) const

Disable operator>>(bool)

bool GetError(CCompressionStream::EDirection dir, int &status, string &description)

Get error code and description of last compressor/decompressor stream operation.

virtual void Finalize(CCompressionStream::EDirection dir=CCompressionStream::eReadWrite)

Finalize stream's compression/decompression process for read/write.

CTransparentStreamProcessor(void)

Conventional constructor.

CCompressionStream(const CCompressionStream &)

Private copy constructor to prohibit copy.

CCompressionProcessor::EStatus m_LastStatus

Last compressor status.

CCompressionProcessor * m_Processor

(De)compression processor.

CCompressionStreamProcessor(const CCompressionStreamProcessor &)

Private copy constructor to prohibit copy.

CCompressionOStream(void)

Default constructor.

streamsize m_InBufSize

Unprocessed data buffer size.

bool IsOkay(void) const

Get stream processor's status.

CCompressionIOStream(CNcbiIos &stream, CCompressionStreamProcessor *read_sp, CCompressionStreamProcessor *write_sp, TOwnership ownership=0)

EDeleteProcessor m_NeedDelete

m_Processor auto-deleting flag.

CCompressionProcessor::EStatus GetStatus(void)

Get status of last compression/decompression stream operation.

EDirection

Stream processing direction.

CT_CHAR_TYPE * m_InBuf

Buffer of unprocessed data.

EOwnership

Which of the objects (passed in the constructor) should be deleted on this object's destruction.

size_t x_GetOutputSize(CCompressionStream::EDirection dir)

Return number of output bytes.

void Create(CNcbiIos &stream, CCompressionStreamProcessor *stream_processor, TOwnership ownership=0)

Create stream with specific characteristics.

int TOwnership

Bitwise OR of EOwnership.

CT_CHAR_TYPE * m_End

processed data in the buffer.

@ eActive

Processor ready to read/write.

@ eFinalize

Finalize() already done, but End() not yet.

@ eInit

Init() is done, but no data to process.

@ eDelete

Do delete processor object.

@ eWrite

Writing into stream.

@ eRead

Reading from stream.

@ eReadWrite

eRead + eWrite

const streamsize kCompressionDefaultBufSize

Default compression I/O stream buffer size.

EStatus

Type of the result of all basic functions.

void Read(CObjectIStream &in, TObjectPtr object, const CTypeRef &type)

void Write(CObjectOStream &out, TConstObjectPtr object, const CTypeRef &type)

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

IO_PREFIX::ostream CNcbiOstream

Portable alias for ostream.

IO_PREFIX::iostream CNcbiIostream

Portable alias for iostream.

IO_PREFIX::istream CNcbiIstream

Portable alias for istream.

IO_PREFIX::ios CNcbiIos

Portable alias for ios.

virtual void Process(SOCK sock)=0

Runs asynchronously (from a separate thread) for each request.

NCBI_XUTIL_EXPORT

Parameter to control printing diagnostic message about conversion of static array data from a differe...

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