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//
// Generated by dtk
// Translation Unit: JSUFileStream.cpp
//
#include "JSystem/JSystem.h" // IWYU pragma: keep
#include "JSystem/JSupport/JSUFileStream.h"
#include "JSystem/JKernel/JKRFile.h"
/* 802BF81C-802BF860 .text __ct__18JSUFileInputStreamFP7JKRFile */
JSUFileInputStream::JSUFileInputStream(JKRFile* pFile) {
mFile = pFile;
mPosition = 0;
}
/* 802BF860-802BF930 .text readData__18JSUFileInputStreamFPvl */
u32 JSUFileInputStream::readData(void* pBuffer, s32 length) {
s32 lenRead = 0;
if (mFile->isAvailable()) {
if (mPosition + length > (u32)mFile->getFileSize()) {
length = mFile->getFileSize() - mPosition;
}
if (length > 0) {
lenRead = mFile->readData(pBuffer, length, mPosition);
if (lenRead < 0) {
return 0;
} else {
mPosition += lenRead;
}
}
}
return lenRead;
}
/* 802BF930-802BFA10 .text seekPos__18JSUFileInputStreamFl17JSUStreamSeekFrom */
s32 JSUFileInputStream::seekPos(s32 pos, JSUStreamSeekFrom seekFrom) {
s32 oldPos = mPosition;
switch (seekFrom) {
case JSUStreamSeekFrom_SET:
mPosition = pos;
break;
case JSUStreamSeekFrom_END:
mPosition = mFile->getFileSize() - pos;
break;
case JSUStreamSeekFrom_CUR:
mPosition += pos;
break;
}
if (mPosition < 0) {
mPosition = 0;
}
if (mPosition > mFile->getFileSize()) {
mPosition = mFile->getFileSize();
}
return mPosition - oldPos;
}
/* 802BFA10-802BFA40 .text getLength__18JSUFileInputStreamCFv */
s32 JSUFileInputStream::getLength() const {
return mFile->getFileSize();
}
/* 802BFA40-802BFA48 .text getPosition__18JSUFileInputStreamCFv */
s32 JSUFileInputStream::getPosition() const {
return mPosition;
}
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