/**
* Return the confidence with with this algorithm can load the file
* @param descriptor A descriptor for the file
* @returns An integer specifying the confidence level. 0 indicates it will not
* be used
*/
int LoadRKH::confidence(Kernel::FileDescriptor &descriptor) const {
if (!descriptor.isAscii())
return 0;
auto &file = descriptor.data();
std::string fileline("");
// Header looks something like this where the text inside [] could be anything
// LOQ Thu 28-OCT-2004 12:23 [W 26 INST_DIRECT_BEAM]
// -- First line --
std::getline(file, fileline);
// LOQ or SANS2D (case insensitive)
if (boost::ifind_first(fileline, "loq").empty() &&
boost::ifind_first(fileline, "sans2d").empty())
return 0;
// Next should be date time string
static const char *MONTHS[12] = {"-JAN-", "-FEB-", "-MAR-", "-APR-",
"-MAY-", "-JUN-", "-JUL-", "-AUG-",
"-SEP-", "-OCT-", "-NOV-", "-DEC-"};
bool foundMonth(false);
for (auto &month : MONTHS) {
if (!boost::ifind_first(fileline, month).empty()) {
foundMonth = true;
break;
}
}
if (!foundMonth)
return 0;
// there are no constraints on the second line
std::getline(file, fileline);
// read 3rd line - should contain sequence "0 0 0 1"
std::getline(file, fileline);
if (fileline.find("0 0 0 1") == std::string::npos)
return 0;
// read 4th line - should contain sequence ""0 0 0 0"
std::getline(file, fileline);
if (fileline.find("0 0 0 0") == std::string::npos)
return 0;
// read 5th line - should contain sequence "3 (F12.5,2E16.6)"
std::getline(file, fileline);
if (fileline.find("3 (F12.5,2E16.6)") == std::string::npos)
return 0;
return 20; // Better than LoadAscii
}
/**
* Return the confidence with with this algorithm can load the file
* @param descriptor A descriptor for the file
* @returns An integer specifying the confidence level. 0 indicates it will not be used
*/
int LoadAscii::confidence(Kernel::FileDescriptor & descriptor) const
{
const std::string & filePath = descriptor.filename();
const size_t filenameLength = filePath.size();
// Avoid some known file types that have different loaders
int confidence(0);
if( filePath.compare(filenameLength - 12,12,"_runinfo.xml") == 0 ||
filePath.compare(filenameLength - 6,6,".peaks") == 0 ||
filePath.compare(filenameLength - 10,10,".integrate") == 0 )
{
confidence = 0;
}
else if(descriptor.isAscii())
{
confidence = 9; // Low so that others may try but not stopping version 2
}
return confidence;
}
/** Return the confidence with with this algorithm can load the file
* @param descriptor A descriptor for the file
* @returns An integer specifying the confidence level. 0 indicates it will
* not
* be used
*/
int LoadEventPreNexus2::confidence(Kernel::FileDescriptor &descriptor) const {
if (descriptor.extension().rfind("dat") == std::string::npos)
return 0;
// If this looks like a binary file where the exact file length is a
// multiple
// of the DasEvent struct then we're probably okay.
if (descriptor.isAscii())
return 0;
const size_t objSize = sizeof(DasEvent);
auto &handle = descriptor.data();
// get the size of the file in bytes and reset the handle back to the
// beginning
handle.seekg(0, std::ios::end);
const size_t filesize = static_cast<size_t>(handle.tellg());
handle.seekg(0, std::ios::beg);
if (filesize % objSize == 0)
return 80;
else
return 0;
}