Home - News ( United States | United Kingdom | Italy | Germany ) - Football scores

Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/compress_8hpp_source.html below:

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

<< "] Exception: " << e.what()); \

ERR_POST_X(subcode, Error \

<< "[" << message << "] Unknown exception"); \

eLevel_NoCompression = 0,

eLevel_MediumLow = 4,

eLevel_MediumHigh = 6,

* src_buf,

src_len,

* dst_buf,

dst_size,

* src_buf,

src_len,

* dst_buf,

dst_size,

& src_file,

& dst_file,

& src_file,

& dst_file,

SetLevel(

level);

GetLevel(

)

;

GetErrorCode(

)

;

GetErrorDescription(

)

;

GetFlags(

)

;

SetError(

status,

* description = 0);

SetError(

status,

& description);

x_CompressFile(

& src_file,

x_DecompressFile(

& dst_file,

eMode_TransparentRead

compression_in_bufsize = 0,

compression_out_bufsize = 0);

compression_in_bufsize = 0,

compression_out_bufsize = 0) = 0;

*

(

) {

m_Data; };

LoadFromStream(istream& is,

);

IsBusy(

)

;

GetProcessedSize(

);

GetOutputSize(

);

(

* in_buf,

SetBusy(

busy =

);

IncreaseProcessedSize(

n_bytes);

IncreaseOutputSize(

n_bytes);

(GetErrCode()) {

eCompression :

;

eCompressionFile :

;

StoreUI4(

*

,

);

GetUI4(

*

);

StoreUI2(

*

,

);

GetUI2(

*

);

( busy && m_Busy ) {

);

m_ProcessedSize += n_bytes;

m_OutputSize += n_bytes;

m_ProcessedSize;

Interface class to scan data source for seekable data chunks.

Include a standard set of the NCBI C++ Toolkit most basic headers.

@ eNoOwnership

No ownership is assumed.

virtual ~IChunkHandler(void)

Destructor.

virtual bool HaveSupport(ESupportFeature feature)=0

Check if compression have support for a specified feature.

void IncreaseProcessedSize(size_t n_bytes)

virtual ~ICompression(void)

Destructor.

CCompressionFile(const string &path, EMode mode, size_t compression_in_bufsize=0, size_t compression_out_bufsize=0)

void IncreaseOutputSize(size_t n_bytes)

ENcbiOwnership m_DictOwn

Dictionary ownership.

TFile m_File

File handler.

virtual const char * GetErrCodeString(void) const override

Translate from the error code value to its string representation.

void Reset(void)

Reset internal state.

ELevel m_Level

Compression level.

size_t GetOutputSize(void)

TFlags m_Flags

Bitwise OR of flags.

virtual EStatus Finish(char *out_buf, size_t out_size, size_t *out_avail)=0

Finish the compression/decompression process.

void SetBusy(bool busy=true)

Set/unset compressor busy flag.

size_t compression_out

compression: recommended size for output buffer

virtual long Write(const void *buf, size_t len)=0

Writes the given number of uncompressed bytes into the compressed file.

bool IsBusy(void) const

Return compressor's busy flag.

virtual void SetFlags(TFlags flags)=0

virtual EStatus Process(const char *in_buf, size_t in_len, char *out_buf, size_t out_size, size_t *in_avail, size_t *out_avail)=0

Compress/decompress as much data as possible, and stops when the input buffer becomes empty or the ou...

virtual CVersionInfo GetVersion(void) const =0

Return name and version of the compression library.

size_t RoundUp(size_t value, size_t precision)

ELevel

Compression level.

void * TFile

Compression file handler.

virtual long Read(void *buf, size_t len)=0

Read up to "len" uncompressed bytes from the compressed file "file" into the buffer "buf".

virtual bool SetDictionary(CCompressionDictionary &dict, ENcbiOwnership own=eNoOwnership)=0

Set a dictionary for all compression/decompression operations (if supported).

NCBI_EXCEPTION_DEFAULT(CCompressionException, CCoreException)

string m_ErrorMsg

Last compressor action error message.

virtual EAction OnChunk(TPosition raw_pos, TPosition data_pos)=0

Callback method, to be implemented by the end user.

virtual TFlags GetFlags(void) const =0

const streamsize kCompressionDefaultBufSize

Default compression I/O stream buffer size.

virtual bool Close(void)=0

Flushes all pending output if necessary, closes the compressed file.

virtual int GetErrorCode(void) const =0

virtual bool Open(const string &path, EMode mode, size_t compression_in_bufsize=0, size_t compression_out_bufsize=0)=0

Opens a compressed file for reading or writing.

virtual CVersionInfo GetVersion(void) const =0

Return name and version of the compression library.

EDecompressMode m_DecompressMode

Decompress mode (Decompress/TransparentRead/Unknown)

size_t decompression_out

decompression: recommended size for output buffer

CCompressionDictionary * m_Dict

Dictionary for compression/decompression.

virtual bool CompressBuffer(const void *src_buf, size_t src_len, void *dst_buf, size_t dst_size, size_t *dst_len)=0

(De)compress the source buffer into the destination buffer.

virtual EStatus Flush(char *out_buf, size_t out_size, size_t *out_avail)=0

Flush compressed/decompressed data from the output buffer.

size_t decompression_in

decompression: recommended size for input buffer

const void * m_Data

Pointer to the dictionary data.

virtual bool DecompressFile(const string &src_file, const string &dst_file, size_t file_io_bufsize=kCompressionDefaultBufSize, size_t compression_in_bufsize=kCompressionDefaultBufSize, size_t compression_out_bufsize=kCompressionDefaultBufSize)=0

int m_ErrorCode

Last compressor action error/status.

virtual bool DecompressBuffer(const void *src_buf, size_t src_len, void *dst_buf, size_t dst_size, size_t *dst_len)=0

unsigned int TFlags

Compression flags.

virtual void SetLevel(ELevel level)=0

virtual bool AllowEmptyData() const =0

Return TRUE if fAllowEmptyData flag is set for this compression.

virtual ELevel GetDefaultLevel(void) const =0

Return the default compression level for current compression algorithm.

EDecompressMode

Decompression mode (see fAllowTransparentRead flag).

const void * GetData(void)

Return pointer to the dictionary data.

size_t GetSize(void)

Return dictionary data size.

size_t m_Size

Size of the data.

size_t compression_in

compression: recommended size for input buffer

EStatus

Type of the result of all basic functions.

virtual string GetErrorDescription(void) const =0

ENcbiOwnership m_Own

Data ownership.

virtual size_t EstimateCompressionBufferSize(size_t src_len)=0

Estimate buffer size for data compression (if supported).

ESupportFeature

Supported features.

virtual ELevel GetLevel(void) const =0

size_t GetProcessedSize(void)

Uint8 TPosition

Type to store stream positions.

virtual bool CompressFile(const string &src_file, const string &dst_file, size_t file_io_bufsize=kCompressionDefaultBufSize, size_t compression_in_bufsize=kCompressionDefaultBufSize, size_t compression_out_bufsize=kCompressionDefaultBufSize)=0

(De)compress file "src_file" and put result to file "dst_file".

EMode m_Mode

File open mode.

virtual EStatus End(int abandon=0)=0

Free all dynamically allocated data structures.

virtual EStatus Init(void)=0

Initialize the internal stream state for compression/decompression.

@ eAction_Continue

Continue scanning to the next data chunk, if any.

@ eMode_Decompress

Generic decompression.

@ eMode_Unknown

Not known yet (decompress/transparent read)

@ eStatus_Overflow

Output buffer overflow - not enough output space.

@ eStatus_Error

Error has occurred. The error code can be acquired by GetErrorCode().

@ eStatus_EndOfData

Special case of eStatus_Success.

@ eStatus_Success

Everything is fine, no errors occurred.

@ eStatus_Repeat

Special value. Just need to repeat last action.

@ eCompression

Compression/decompression error.

@ eFeature_Dictionary

Check if current compression have support for dictionaries.

@ eFeature_NoCompression

Check if current compression method have a real support for eLevel_NoCompression, so it can store dat...

@ eFeature_EstimateCompressionBufferSize

Check if current compression have implementation for the EstimateCompressionBufferSize() method.

@ eMode_Read

Reading from compressed file.

#define NCBI_THROW(exception_class, err_code, message)

Generic macro to throw an exception, given the exception class, error code and message string.

EErrCode

Error types that an application can generate.

virtual const char * GetErrCodeString(void) const

Get error code interpreted as text.

uint32_t Uint4

4-byte (32-bit) unsigned integer

uint16_t Uint2

2-byte (16-bit) unsigned integer

uint64_t Uint8

8-byte (64-bit) unsigned integer

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

ENcbiOwnership

Ownership relations between objects.

const struct ncbi::grid::netcache::search::fields::SIZE size

const GenericPointer< typename T::ValueType > T2 value

NCBI_XUTIL_EXPORT

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

Structure to get information about recommended buffer sizes for file/stream I/O to tune up a (de)comp...

RetroSearch is an open source project built by @garambo | Open a GitHub Issue

Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo

HTML: 3.2 | Encoding: UTF-8 | Version: 0.7.4