LLBufferStreamBuf Class Reference

This implements the buffer wrapper for an istream. More...

#include <llbufferstream.h>

Collaboration diagram for LLBufferStreamBuf:

[legend]List of all members.

Public Member Functions
	LLBufferStreamBuf (const LLChannelDescriptors &channels, LLBufferArray *buffer)
virtual	~LLBufferStreamBuf ()
Protected Member Functions
virtual int	underflow ()
virtual int	overflow (int c)
virtual int	sync ()
virtual streampos	seekoff (streamoff off, std::ios::seekdir way, std::ios::openmode which)
Protected Attributes
LLChannelDescriptors	mChannels
LLBufferArray *	mBuffer

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Detailed Description

This implements the buffer wrapper for an istream.

The buffer array passed in is not owned by the stream buf object.

Definition at line 47 of file llbufferstream.h.

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Constructor & Destructor Documentation

LLBufferStreamBuf::LLBufferStreamBuf	(	const LLChannelDescriptors &	channels,
		LLBufferArray *	buffer
	)

Definition at line 45 of file llbufferstream.cpp.

References LLMemType::MTYPE_IO_BUFFER.

LLBufferStreamBuf::~LLBufferStreamBuf

(

)

[virtual]

Definition at line 54 of file llbufferstream.cpp.

References LLMemType::MTYPE_IO_BUFFER, and sync().

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Member Function Documentation

int LLBufferStreamBuf::overflow

(

int

c

)

[protected, virtual]

Definition at line 133 of file llbufferstream.cpp.

References DEFAULT_OUTPUT_SEGMENT_SIZE, LLBufferArray::endSegment(), LLBufferArray::makeSegment(), mBuffer, mChannels, LLMemType::MTYPE_IO_BUFFER, LLChannelDescriptors::out(), start, and sync().

streampos LLBufferStreamBuf::seekoff	(	streamoff	off,
		std::ios::seekdir	way,
		std::ios::openmode	which
	)			[protected, virtual]

Definition at line 249 of file llbufferstream.cpp.

References end, mBuffer, LLMemType::MTYPE_IO_BUFFER, LLBufferArray::npos, NULL, S32, and start.

int LLBufferStreamBuf::sync

(

)

[protected, virtual]

Definition at line 172 of file llbufferstream.cpp.

References end, LLBufferArray::endSegment(), LLBufferArray::eraseSegment(), mBuffer, mChannels, LLMemType::MTYPE_IO_BUFFER, NULL, LLChannelDescriptors::out(), LLBufferArray::seek(), and LLBufferArray::splitAfter().

Referenced by overflow(), and ~LLBufferStreamBuf().

int LLBufferStreamBuf::underflow

(

)

[protected, virtual]

Definition at line 61 of file llbufferstream.cpp.

References LLBufferArray::constructSegmentAfter(), LLSegment::data(), end, LLBufferArray::endSegment(), LLBufferArray::eraseSegment(), LLChannelDescriptors::in(), LLSegment::isOnChannel(), mBuffer, mChannels, LLMemType::MTYPE_IO_BUFFER, LLSegment::size(), LLBufferArray::splitAfter(), and start.

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Member Data Documentation

LLBufferArray* LLBufferStreamBuf::mBuffer [protected]

Definition at line 131 of file llbufferstream.h.

Referenced by overflow(), sync(), and underflow().

LLChannelDescriptors LLBufferStreamBuf::mChannels [protected]

Definition at line 128 of file llbufferstream.h.

Referenced by overflow(), sync(), and underflow().

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

• llbufferstream.h
• llbufferstream.cpp

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