mirror of
https://github.com/OpenMW/openmw.git
synced 2025-11-04 03:26:39 +00:00
31 lines
815 B
C++
31 lines
815 B
C++
#ifndef OPENMW_COMPONENTS_FILES_MEMORYSTREAM_H
|
|
#define OPENMW_COMPONENTS_FILES_MEMORYSTREAM_H
|
|
|
|
#include <istream>
|
|
|
|
namespace Files
|
|
{
|
|
|
|
struct MemBuf : std::streambuf
|
|
{
|
|
MemBuf(char const* buffer, size_t size)
|
|
{
|
|
// a streambuf isn't specific to istreams, so we need a non-const pointer :/
|
|
char* nonconstBuffer = (const_cast<char*>(buffer));
|
|
this->setg(nonconstBuffer, nonconstBuffer, nonconstBuffer + size);
|
|
}
|
|
};
|
|
|
|
/// @brief A variant of std::istream that reads from a constant in-memory buffer.
|
|
struct IMemStream: virtual MemBuf, std::istream
|
|
{
|
|
IMemStream(char const* buffer, size_t size)
|
|
: MemBuf(buffer, size)
|
|
, std::istream(static_cast<std::streambuf*>(this))
|
|
{
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|