WvStreams
|
The WvDynBuf storage class. More...
#include <wvbufstore.h>
Public Member Functions | |
WvDynBufStore (size_t _granularity, size_t _minalloc, size_t _maxalloc) | |
virtual size_t | free () const |
virtual size_t | optallocable () const |
virtual void * | alloc (size_t count) |
virtual size_t | used () const |
virtual size_t | optgettable () const |
virtual const void * | get (size_t count) |
virtual void | unget (size_t count) |
virtual size_t | ungettable () const |
virtual void | zap () |
virtual void | unalloc (size_t count) |
virtual size_t | unallocable () const |
virtual size_t | optpeekable (int offset) const |
virtual void * | mutablepeek (int offset, size_t count) |
virtual bool | isreadable () const |
virtual void | skip (size_t count) |
virtual size_t | peekable (int offset) const |
virtual const void * | peek (int offset, size_t count) |
void | move (void *buf, size_t count) |
void | copy (void *buf, int offset, size_t count) |
virtual bool | iswritable () const |
void | put (const void *data, size_t count) |
void | fastput (const void *data, size_t count) |
void | poke (const void *data, int offset, size_t count) |
virtual void | merge (WvBufStore &instore, size_t count) |
void | basicmerge (WvBufStore &instore, size_t count) |
Protected Member Functions | |
virtual WvBufStore * | newbuffer (size_t minsize) |
Called when a new buffer must be allocated to coalesce chunks. More... | |
virtual bool | usessubbuffers () const |
Returns true if the buffer uses subbuffers for storage. More... | |
virtual size_t | numsubbuffers () const |
Returns the number of subbuffers in the buffer. More... | |
virtual WvBufStore * | firstsubbuffer () const |
Returns the first subbuffer. More... | |
virtual void | appendsubbuffer (WvBufStore *buffer, bool autofree) |
Appends a subbuffer to the buffer. More... | |
virtual void | prependsubbuffer (WvBufStore *buffer, bool autofree) |
Prepends a subbuffer to the buffer. More... | |
virtual bool | unlinksubbuffer (WvBufStore *buffer, bool allowautofree) |
Unlinks the specified subbuffer. More... | |
virtual void | recyclebuffer (WvBufStore *buffer) |
Called when a buffer with autofree is removed from the list. More... | |
int | search (WvBufStoreList::Iter &it, int offset) const |
Searches for the buffer containing the offset. More... | |
WvBufStore * | coalesce (WvBufStoreList::Iter &it, size_t count) |
Coalesces a sequence of buffers. More... | |
Protected Attributes | |
WvBufStoreList | list |
size_t | totalused |
size_t | maxungettable |
int | granularity |
The WvDynBuf storage class.
Definition at line 480 of file wvbufstore.h.
WvDynBufStore::WvDynBufStore | ( | size_t | _granularity, |
size_t | _minalloc, | ||
size_t | _maxalloc | ||
) |
Definition at line 1117 of file wvbufferstore.cc.
|
virtual |
Reimplemented from WvLinkedBufferStore.
Definition at line 1126 of file wvbufferstore.cc.
|
virtual |
Reimplemented from WvLinkedBufferStore.
Definition at line 1132 of file wvbufferstore.cc.
|
virtual |
Reimplemented from WvLinkedBufferStore.
Definition at line 1141 of file wvbufferstore.cc.
|
protectedvirtual |
Called when a new buffer must be allocated to coalesce chunks.
"minsize" is the minimum size for the new buffer Returns: the new buffer
Reimplemented from WvLinkedBufferStore.
Definition at line 1152 of file wvbufferstore.cc.
References WvLinkedBufferStore::newbuffer().
|
virtualinherited |
Implements WvBufStore.
Definition at line 798 of file wvbufferstore.cc.
|
virtualinherited |
Reimplemented from WvBufStore.
Definition at line 805 of file wvbufferstore.cc.
|
virtualinherited |
Implements WvBufStore.
Definition at line 817 of file wvbufferstore.cc.
|
virtualinherited |
Implements WvBufStore.
Definition at line 858 of file wvbufferstore.cc.
|
virtualinherited |
Implements WvBufStore.
Definition at line 872 of file wvbufferstore.cc.
|
virtualinherited |
Implements WvBufStore.
Definition at line 896 of file wvbufferstore.cc.
|
virtualinherited |
Implements WvBufStore.
Definition at line 932 of file wvbufferstore.cc.
|
virtualinherited |
Implements WvBufStore.
Definition at line 959 of file wvbufferstore.cc.
|
virtualinherited |
Reimplemented from WvBufStore.
Definition at line 965 of file wvbufferstore.cc.
|
virtualinherited |
Implements WvBufStore.
Definition at line 977 of file wvbufferstore.cc.
|
protectedvirtualinherited |
Returns true if the buffer uses subbuffers for storage.
Reimplemented from WvBufStore.
Definition at line 745 of file wvbufferstore.cc.
|
protectedvirtualinherited |
Returns the number of subbuffers in the buffer.
Reimplemented from WvBufStore.
Definition at line 751 of file wvbufferstore.cc.
|
protectedvirtualinherited |
Returns the first subbuffer.
Returns: the buffer or NULL if none or not supported
Reimplemented from WvBufStore.
Definition at line 757 of file wvbufferstore.cc.
|
protectedvirtualinherited |
Appends a subbuffer to the buffer.
Reimplemented from WvBufStore.
Definition at line 763 of file wvbufferstore.cc.
|
protectedvirtualinherited |
Prepends a subbuffer to the buffer.
Reimplemented from WvBufStore.
Definition at line 771 of file wvbufferstore.cc.
|
protectedvirtualinherited |
Unlinks the specified subbuffer.
Only autofrees the buffer if allowautofree == true. Returns: the autofree flag for the buffer
Reimplemented from WvBufStore.
Definition at line 780 of file wvbufferstore.cc.
|
protectedvirtualinherited |
Called when a buffer with autofree is removed from the list.
This function is not called during object destruction.
"buffer" is the buffer to be destroyed
Definition at line 1004 of file wvbufferstore.cc.
|
protectedinherited |
Searches for the buffer containing the offset.
"it" is the iterator updated to point to buffer found, or to an invalid region if the offset is invalid "offset" is the offset for which to search Returns: the corrected offset within the buffer at it.ptr()
Definition at line 1010 of file wvbufferstore.cc.
|
protectedinherited |
Coalesces a sequence of buffers.
"it" is the iterator pointing to the first buffer "count" is the required number of contiguous used bytes Returns: the composite buffer
Definition at line 1042 of file wvbufferstore.cc.
References WvLinkedBufferStore::newbuffer().
|
inlinevirtualinherited |
Definition at line 47 of file wvbufstore.h.
|
inlinevirtualinherited |
Definition at line 53 of file wvbufstore.h.
|
virtualinherited |
Definition at line 90 of file wvbufferstore.cc.
|
inlinevirtualinherited |
Definition at line 60 of file wvbufstore.h.
|
inherited |
Definition at line 111 of file wvbufferstore.cc.
|
inherited |
Definition at line 128 of file wvbufferstore.cc.
|
inlinevirtualinherited |
Definition at line 70 of file wvbufstore.h.
|
inherited |
Definition at line 146 of file wvbufferstore.cc.
|
inherited |
Definition at line 163 of file wvbufferstore.cc.
|
inherited |
Definition at line 170 of file wvbufferstore.cc.
|
virtualinherited |
Definition at line 198 of file wvbufferstore.cc.
|
inherited |
Definition at line 229 of file wvbufferstore.cc.
|
protectedinherited |
Definition at line 404 of file wvbufstore.h.
|
protectedinherited |
Definition at line 405 of file wvbufstore.h.
|
protectedinherited |
Definition at line 406 of file wvbufstore.h.
|
protectedinherited |
Definition at line 33 of file wvbufstore.h.