tp/libs/JSystem/JSupport/JSUFileStream.cpp

76 lines
2.1 KiB
C++

//
// Generated By: dol2asm
// Translation Unit: JSUFileStream
//
#include "JSystem/JSupport/JSUFileStream.h"
#include "dol2asm.h"
#include "dolphin/types.h"
//
// Declarations:
//
/* 802DC638-802DC67C 2D6F78 0044+00 0/0 1/1 0/0 .text __ct__18JSUFileInputStreamFP7JKRFile */
JSUFileInputStream::JSUFileInputStream(JKRFile* pFile) {
mFile = pFile;
mPosition = 0;
}
/* 802DC67C-802DC74C 2D6FBC 00D0+00 1/0 0/0 0/0 .text readData__18JSUFileInputStreamFPvl
*/
u32 JSUFileInputStream::readData(void* pBuffer, s32 length) {
s32 lenRead = 0;
if (mFile->isAvailable()) {
// TODO: the function probably returns u32
// there are probably more functions that return u32 instead of s32
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;
}
/* 802DC74C-802DC82C 2D708C 00E0+00 1/0 0/0 0/0 .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;
}
/* 802DC82C-802DC85C 2D716C 0030+00 1/0 0/0 0/0 .text getLength__18JSUFileInputStreamCFv
*/
s32 JSUFileInputStream::getLength() const {
return mFile->getFileSize();
}
/* 802DC85C-802DC864 2D719C 0008+00 1/0 0/0 0/0 .text getPosition__18JSUFileInputStreamCFv */
s32 JSUFileInputStream::getPosition() const {
return mPosition;
}