diff options
Diffstat (limited to 'squirrel_3_0_1_stable/sqstdlib/sqstdblobimpl.h')
-rw-r--r-- | squirrel_3_0_1_stable/sqstdlib/sqstdblobimpl.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/squirrel_3_0_1_stable/sqstdlib/sqstdblobimpl.h b/squirrel_3_0_1_stable/sqstdlib/sqstdblobimpl.h deleted file mode 100644 index 9f22c0ae2..000000000 --- a/squirrel_3_0_1_stable/sqstdlib/sqstdblobimpl.h +++ /dev/null @@ -1,108 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQSTD_BLOBIMPL_H_ -#define _SQSTD_BLOBIMPL_H_ - -struct SQBlob : public SQStream -{ - SQBlob(SQInteger size) { - _size = size; - _allocated = size; - _buf = (unsigned char *)sq_malloc(size); - memset(_buf, 0, _size); - _ptr = 0; - _owns = true; - } - virtual ~SQBlob() { - sq_free(_buf, _allocated); - } - SQInteger Write(void *buffer, SQInteger size) { - if(!CanAdvance(size)) { - GrowBufOf(_ptr + size - _size); - } - memcpy(&_buf[_ptr], buffer, size); - _ptr += size; - return size; - } - SQInteger Read(void *buffer,SQInteger size) { - SQInteger n = size; - if(!CanAdvance(size)) { - if((_size - _ptr) > 0) - n = _size - _ptr; - else return 0; - } - memcpy(buffer, &_buf[_ptr], n); - _ptr += n; - return n; - } - bool Resize(SQInteger n) { - if(!_owns) return false; - if(n != _allocated) { - unsigned char *newbuf = (unsigned char *)sq_malloc(n); - memset(newbuf,0,n); - if(_size > n) - memcpy(newbuf,_buf,n); - else - memcpy(newbuf,_buf,_size); - sq_free(_buf,_allocated); - _buf=newbuf; - _allocated = n; - if(_size > _allocated) - _size = _allocated; - if(_ptr > _allocated) - _ptr = _allocated; - } - return true; - } - bool GrowBufOf(SQInteger n) - { - bool ret = true; - if(_size + n > _allocated) { - if(_size + n > _size * 2) - ret = Resize(_size + n); - else - ret = Resize(_size * 2); - } - _size = _size + n; - return ret; - } - bool CanAdvance(SQInteger n) { - if(_ptr+n>_size)return false; - return true; - } - SQInteger Seek(SQInteger offset, SQInteger origin) { - switch(origin) { - case SQ_SEEK_SET: - if(offset > _size || offset < 0) return -1; - _ptr = offset; - break; - case SQ_SEEK_CUR: - if(_ptr + offset > _size || _ptr + offset < 0) return -1; - _ptr += offset; - break; - case SQ_SEEK_END: - if(_size + offset > _size || _size + offset < 0) return -1; - _ptr = _size + offset; - break; - default: return -1; - } - return 0; - } - bool IsValid() { - return _buf?true:false; - } - bool EOS() { - return _ptr == _size; - } - SQInteger Flush() { return 0; } - SQInteger Tell() { return _ptr; } - SQInteger Len() { return _size; } - SQUserPointer GetBuf(){ return _buf; } -private: - SQInteger _size; - SQInteger _allocated; - SQInteger _ptr; - unsigned char *_buf; - bool _owns; -}; - -#endif //_SQSTD_BLOBIMPL_H_ |