FileData *File::read(int64 size)
{
bool isopen = isOpen();
if (!isopen && !open(MODE_READ))
throw love::Exception("Could not read file %s.", getFilename().c_str());
int64 max = getSize();
int64 cur = tell();
size = (size == ALL) ? max : size;
if (size < 0)
throw love::Exception("Invalid read size.");
// Clamping because the file offset may be in a weird position.
if (cur < 0)
cur = 0;
else if (cur > max)
cur = max;
if (cur + size > max)
size = max - cur;
FileData *fileData = new FileData(size, getFilename());
int64 bytesRead = read(fileData->getData(), size);
if (bytesRead < 0 || (bytesRead == 0 && bytesRead != size))
{
delete fileData;
throw love::Exception("Could not read from file.");
}
if (bytesRead < size)
{
FileData *tmpFileData = new FileData(bytesRead, getFilename());
memcpy(tmpFileData->getData(), fileData->getData(), (size_t) bytesRead);
fileData->release();
fileData = tmpFileData;
}
if (!isopen)
close();
return fileData;
}
Data * File::read(int size)
{
bool isOpen = (file != 0);
if(!isOpen && !open(READ))
throw love::Exception("Could not read file %s.", filename.c_str());
int max = (int)PHYSFS_fileLength(file);
size = (size == ALL) ? max : size;
size = (size > max) ? max : size;
FileData * fileData = new FileData(size, getFilename());
read(fileData->getData(), size);
if(!isOpen)
close();
return fileData;
}