buffio.h File Reference

• Treat buffer as an I/O stream.

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#include "platform.h"
#include "tidy.h"

Go to the source code of this file.

Data Structures
struct	_TidyBuffer
	TidyBuffer - A chunk of memory. More...

Functions
void TIDY_CALL	tidyBufAlloc (TidyBuffer *buf, uint allocSize)
	Free current buffer, allocate given amount, reset input pointer, use the default allocator. More...
void TIDY_CALL	tidyBufAllocWithAllocator (TidyBuffer *buf, TidyAllocator *allocator, uint allocSize)
	Free current buffer, allocate given amount, reset input pointer, use the given custom allocator. More...
void TIDY_CALL	tidyBufAppend (TidyBuffer *buf, void *vp, uint size)
	Append bytes to buffer. More...
void TIDY_CALL	tidyBufAttach (TidyBuffer *buf, byte *bp, uint size)
	Attach to existing buffer. More...
void TIDY_CALL	tidyBufCheckAlloc (TidyBuffer *buf, uint allocSize, uint chunkSize)
	Expand buffer to given size. More...
void TIDY_CALL	tidyBufClear (TidyBuffer *buf)
	Set buffer bytes to 0. More...
void TIDY_CALL	tidyBufDetach (TidyBuffer *buf)
	Detach from buffer. More...
Bool TIDY_CALL	tidyBufEndOfInput (TidyBuffer *buf)
	At end of buffer? More...
void TIDY_CALL	tidyBufFree (TidyBuffer *buf)
	Free current contents and zero out. More...
int TIDY_CALL	tidyBufGetByte (TidyBuffer *buf)
	Get byte from front of buffer. More...
void TIDY_CALL	tidyBufInit (TidyBuffer *buf)
	Initialize data structure using the default allocator. More...
void TIDY_CALL	tidyBufInitWithAllocator (TidyBuffer *buf, TidyAllocator *allocator)
	Initialize data structure using the given custom allocator. More...
int TIDY_CALL	tidyBufPopByte (TidyBuffer *buf)
	Get byte from end of buffer. More...
void TIDY_CALL	tidyBufPutByte (TidyBuffer *buf, byte bv)
	Append one byte to buffer. More...
void TIDY_CALL	tidyBufUngetByte (TidyBuffer *buf, byte bv)
	Put a byte back into the buffer. More...
void TIDY_CALL	tidyInitInputBuffer (TidyInputSource *inp, TidyBuffer *buf)
	Initialize a buffer input source. More...
void TIDY_CALL	tidyInitOutputBuffer (TidyOutputSink *outp, TidyBuffer *buf)
	Initialize a buffer output sink. More...

Detailed Description

(c) 1998-2007 (W3C) MIT, ERCIM, Keio University See tidy.h for the copyright notice.

Requires buffer to automatically grow as bytes are added. Must keep track of current read and write points.

Definition in file buffio.h.

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Data Structure Documentation

struct _TidyBuffer

Definition at line 23 of file buffio.h.

Data Fields
uint	allocated	bytes allocated
TidyAllocator *	allocator	Memory allocator.
byte *	bp	Pointer to bytes.
uint	next	Offset of current input position.
uint	size	bytes currently in use

Function Documentation

void TIDY_CALL tidyBufAlloc	(	TidyBuffer *	buf,
		uint	allocSize
	)

void TIDY_CALL tidyBufAllocWithAllocator	(	TidyBuffer *	buf,
		TidyAllocator *	allocator,
		uint	allocSize
	)

void TIDY_CALL tidyBufAppend	(	TidyBuffer *	buf,
		void *	vp,
		uint	size
	)

Expand if necessary.

void TIDY_CALL tidyBufAttach	(	TidyBuffer *	buf,
		byte *	bp,
		uint	size
	)

void TIDY_CALL tidyBufCheckAlloc	(	TidyBuffer *	buf,
		uint	allocSize,
		uint	chunkSize
	)

Chunk size is minimum growth. Pass 0 for default of 256 bytes.

void TIDY_CALL tidyBufClear

(

TidyBuffer *

buf

)

void TIDY_CALL tidyBufDetach

(

TidyBuffer *

buf

)

Caller must free.

Bool TIDY_CALL tidyBufEndOfInput

(

TidyBuffer *

buf

)

void TIDY_CALL tidyBufFree

(

TidyBuffer *

buf

)

int TIDY_CALL tidyBufGetByte

(

TidyBuffer *

buf

)

Increment input offset.

void TIDY_CALL tidyBufInit

(

TidyBuffer *

buf

)

void TIDY_CALL tidyBufInitWithAllocator	(	TidyBuffer *	buf,
		TidyAllocator *	allocator
	)

int TIDY_CALL tidyBufPopByte

(

TidyBuffer *

buf

)

void TIDY_CALL tidyBufPutByte	(	TidyBuffer *	buf,
		byte	bv
	)

Expand if necessary.

void TIDY_CALL tidyBufUngetByte	(	TidyBuffer *	buf,
		byte	bv
	)

Decrement input offset.

void TIDY_CALL tidyInitInputBuffer	(	TidyInputSource *	inp,
		TidyBuffer *	buf
	)

void TIDY_CALL tidyInitOutputBuffer	(	TidyOutputSink *	outp,
		TidyBuffer *	buf
	)