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// Ported from https://github.com/kiwi515/ogws/blob/master/src/nw4r/ut/ut_FileStream.cpp
#include "nw4r/ut.h"
namespace nw4r {
namespace ut {
NW4R_UT_RTTI_DEF_DERIVED(FileStream, IOStream);
void FileStream::Cancel() {}
bool FileStream::CancelAsync(AsyncCallback callback, void *arg) {
#pragma unused(callback)
#pragma unused(arg)
return true;
}
u32 FileStream::FilePosition::Skip(s32 offset) {
if (offset != 0) {
s64 newOffset = mFileOffset + offset;
mFileOffset = Clamp<s64>(newOffset, 0, mFileSize);
}
return mFileOffset;
}
u32 FileStream::FilePosition::Append(s32 offset) {
s64 newOffset = mFileOffset + offset;
if (newOffset < 0) {
mFileOffset = 0;
} else {
mFileOffset = newOffset;
mFileSize = Max(mFileOffset, mFileSize);
}
return mFileOffset;
}
void FileStream::FilePosition::Seek(s32 offset, u32 origin) {
switch (origin) {
case SEEKORG_BEG: mFileOffset = 0; break;
case SEEKORG_END: mFileOffset = mFileSize; break;
case SEEKORG_CUR:
default: break;
}
Skip(offset);
}
// TODO: This should not be necessary. Because of nw4r::snd? still the case for ss
DECOMP_FORCEACTIVE(ut_FileStream_cpp, FileStream::GetRuntimeTypeInfo);
} // namespace ut
} // namespace nw4r
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