Hypertable::StringDecompressorPrefix Class Reference

A class to decompress prefix-compressed strings. More...

#include <StringDecompressorPrefix.h>

Collaboration diagram for Hypertable::StringDecompressorPrefix:

Public Member Functions
	StringDecompressorPrefix ()
	Constructor; creates a new decompressor. More...
virtual void	reset ()
	Resets and clears the internal state. More...
virtual const uint8_t *	add (const uint8_t *next_base)
	Adds (and decompresses) a compressed string. More...
virtual size_t	length () const
	Returns the length of the compressed string. More...
virtual size_t	length_uncompressed () const
	Returns the length of the uncompressed string. More...
virtual void	load (String &str) const
	Returns the uncompressed string. More...

Private Attributes
String	m_last_string
	The uncompressed string; use load to retrieve it. More...
size_t	m_compressed_len
	Length of the compressed string. More...

Detailed Description

A class to decompress prefix-compressed strings.

Definition at line 41 of file StringDecompressorPrefix.h.

Constructor & Destructor Documentation

Hypertable::StringDecompressorPrefix::StringDecompressorPrefix ( )

inline

Constructor; creates a new decompressor.

Definition at line 44 of file StringDecompressorPrefix.h.

Member Function Documentation

virtual const uint8_t* Hypertable::StringDecompressorPrefix::add ( const uint8_t *  next_base )

inlinevirtual

Adds (and decompresses) a compressed string.

The string must have been compressed with StringCompressorPrefix.

Parameters

next_base

Pointer to the compressed string

Returns

An advanced pointer to the next string

Definition at line 60 of file StringDecompressorPrefix.h.

virtual size_t Hypertable::StringDecompressorPrefix::length ( ) const

inlinevirtual

Returns the length of the compressed string.

Definition at line 74 of file StringDecompressorPrefix.h.

virtual size_t Hypertable::StringDecompressorPrefix::length_uncompressed ( ) const

inlinevirtual

Returns the length of the uncompressed string.

Definition at line 79 of file StringDecompressorPrefix.h.

virtual void Hypertable::StringDecompressorPrefix::load ( String &  str ) const

inlinevirtual

Returns the uncompressed string.

Definition at line 84 of file StringDecompressorPrefix.h.

virtual void Hypertable::StringDecompressorPrefix::reset ( )

inlinevirtual

Resets and clears the internal state.

Definition at line 49 of file StringDecompressorPrefix.h.

Member Data Documentation

size_t Hypertable::StringDecompressorPrefix::m_compressed_len

private

Length of the compressed string.

Definition at line 93 of file StringDecompressorPrefix.h.

String Hypertable::StringDecompressorPrefix::m_last_string

private

The uncompressed string; use load to retrieve it.

Definition at line 90 of file StringDecompressorPrefix.h.

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

• /home/doug/src/hypertable/src/cc/Common/StringDecompressorPrefix.h