|
version 1.8, 2006/08/21 17:49:10
|
version 1.12, 2007/02/13 19:21:44
|
|
|
|
| // | // |
| //============================================================================== | //============================================================================== |
| // | // |
| // Author: Michael E. Brasher (mike-brasher@austin.rr.com -- Inova Europe) |
|
| // |
|
| //%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
| | |
| #include <cstring> | #include <cstring> |
|
|
|
| {0} /* data[0] */ | {0} /* data[0] */ |
| }; | }; |
| | |
| static const size_t MIN_CAPACITY = 2048; |
static const Uint32 MIN_CAPACITY = 2048; |
| | |
| static Uint32 _next_pow_2(Uint32 x) | static Uint32 _next_pow_2(Uint32 x) |
| { | { |
|
|
|
| return x; | return x; |
| } | } |
| | |
| static inline BufferRep* _allocate(size_t cap) |
static inline BufferRep* _allocate(Uint32 cap) |
| { | { |
| if (cap < MIN_CAPACITY) | if (cap < MIN_CAPACITY) |
| cap = MIN_CAPACITY; | cap = MIN_CAPACITY; |
|
|
|
| return rep; | return rep; |
| } | } |
| | |
| static inline BufferRep* _reallocate(BufferRep* rep, size_t cap) |
static inline BufferRep* _reallocate(BufferRep* rep, Uint32 cap) |
| { | { |
| // Allocate an extra byte for null-termination performed by getData(). | // Allocate an extra byte for null-termination performed by getData(). |
| rep = (BufferRep*)realloc(rep, sizeof(BufferRep) + cap + 1); | rep = (BufferRep*)realloc(rep, sizeof(BufferRep) + cap + 1); |
|
|
|
| _rep->size = x._rep->size; | _rep->size = x._rep->size; |
| } | } |
| | |
| Buffer::Buffer(const char* data, size_t size) |
Buffer::Buffer(const char* data, Uint32 size) |
| { | { |
| _rep = _allocate(size); | _rep = _allocate(size); |
| _rep->size = size; | _rep->size = size; |
|
|
|
| return *this; | return *this; |
| } | } |
| | |
| void Buffer::_reserve_aux(size_t cap) |
void Buffer::_reserve_aux(Uint32 cap) |
| { | { |
| if (_rep->cap == 0) | if (_rep->cap == 0) |
| { | { |
|
|
|
| } | } |
| } | } |
| | |
| void Buffer::insert(size_t pos, const char* data, size_t size) |
void Buffer::insert(Uint32 pos, const char* data, Uint32 size) |
| { | { |
| if (pos > _rep->size) | if (pos > _rep->size) |
| return; | return; |
| | |
| size_t cap = _rep->size + size; |
Uint32 cap = _rep->size + size; |
| size_t rem = _rep->size - pos; |
Uint32 rem = _rep->size - pos; |
| | |
| if (cap > _rep->cap) | if (cap > _rep->cap) |
| { | { |
|
|
|
| } | } |
| } | } |
| | |
| void Buffer::remove(size_t pos, size_t size) |
void Buffer::remove(Uint32 pos, Uint32 size) |
| { | { |
| if (pos + size > _rep->size) | if (pos + size > _rep->size) |
| return; | return; |
| | |
| size_t rem = _rep->size - (pos + size); |
Uint32 rem = _rep->size - (pos + size); |
| | |
| if (rem) | if (rem) |
| memmove(_rep->data + pos, _rep->data + pos + size, rem); | memmove(_rep->data + pos, _rep->data + pos + size, rem); |
|
|
|
| _rep->size -= size; | _rep->size -= size; |
| } | } |
| | |
| size_t Buffer::appendf(const char* format, ...) |
|
| { |
|
| size_t size = 128; |
|
| va_list ap; |
|
| |
|
| for (;;) |
|
| { |
|
| reserveCapacity(_rep->size + size); |
|
| char* str = _rep->data + _rep->size; |
|
| |
|
| va_start(ap, format); |
|
| |
|
| #if defined(PEGASUS_OS_TYPE_WINDOWS) |
|
| int n = _vsnprintf(str, size, format, ap); |
|
| #else |
|
| int n = vsnprintf(str, size, format, ap); |
|
| #endif |
|
| |
|
| va_end(ap); |
|
| |
|
| if (n > -1 && n < int(size)) |
|
| { |
|
| _rep->size += n; |
|
| return size_t(n); |
|
| } |
|
| |
|
| if (n > -1) |
|
| size = n + 1; |
|
| else |
|
| size *= 2; |
|
| } |
|
| |
|
| // Unreachable: |
|
| return 0; |
|
| } |
|
| |
|
| PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |
Return to
Buffer.cpp
CVS log
Up to [Pegasus] / pegasus / src / Pegasus / Common