mirror of https://github.com/bsnes-emu/bsnes.git
41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
|
#ifdef NALL_STREAM_INTERNAL_HPP
|
||
|
|
|
||
|
|
namespace nall {
|
||
|
|
|
||
|
|
struct memorystream : stream {
|
||
|
|
inline bool seekable() const { return true; }
|
||
|
|
inline bool readable() const { return true; }
|
||
|
|
inline bool writable() const { return pwritable; }
|
||
|
|
inline bool randomaccess() const { return true; }
|
||
|
|
|
||
|
|
inline unsigned size() const { return psize; }
|
||
|
|
inline unsigned offset() const { return poffset; }
|
||
|
|
inline void seek(unsigned offset) const { poffset = offset; }
|
||
|
|
|
||
|
|
inline uint8_t read() const { return pdata[poffset++]; }
|
||
|
|
inline void write(uint8_t data) const { pdata[poffset++] = data; }
|
||
|
|
|
||
|
|
inline uint8_t read(unsigned offset) const { return pdata[offset]; }
|
||
|
|
inline void write(unsigned offset, uint8_t data) const { pdata[offset] = data; }
|
||
|
|
|
||
|
|
inline memorystream() : pdata(nullptr), psize(0), poffset(0), pwritable(true) {}
|
||
|
|
|
||
|
|
inline memorystream(uint8_t *data, unsigned size) {
|
||
|
|
pdata = data, psize = size, poffset = 0;
|
||
|
|
pwritable = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline memorystream(const uint8_t *data, unsigned size) {
|
||
|
|
pdata = (uint8_t*)data, psize = size, poffset = 0;
|
||
|
|
pwritable = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
protected:
|
||
|
|
mutable uint8_t *pdata;
|
||
|
|
mutable unsigned psize, poffset, pwritable;
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|