slsDetectorPackage/slsSupportLib/src/file_utils.cpp

#include "file_utils.h"
#include "logger.h"

#include <iostream>
#include <sstream>


int readDataFile(std::ifstream &infile, short int *data, int nch, int offset) {
	int ichan, iline=0;
	short int idata;
	int interrupt=0;
	std::string str;
	while (infile.good() and interrupt==0) {
		getline(infile,str);
		std::istringstream ssstr(str);
		ssstr >> ichan >> idata;
		if (ssstr.fail() || ssstr.bad()) {
			interrupt=1;
			break;
		}
		if (iline<nch) {
			if (ichan>=offset) {
				data[iline]=idata;
				iline++;
			}
		} else {
			interrupt=1;
			break;
		}
		return iline;
	};
	return iline;
}



int readDataFile(std::string fname, short int *data, int nch) {
	std::ifstream infile;
	int iline=0;
	std::string str;
	infile.open(fname.c_str(), std::ios_base::in);
	if (infile.is_open()) {
		iline=readDataFile(infile, data, nch, 0);
		infile.close();
	} else {
		FILE_LOG(logERROR) << "Could not read file " << fname;
		return -1;
	}
	return iline;
}



int writeDataFile(std::ofstream &outfile,int nch,  short int *data, int offset) {
	if (data==nullptr)
		return slsDetectorDefs::FAIL;
	for (int ichan=0; ichan<nch; ichan++)
		outfile << ichan+offset << " " << *(data+ichan) << std::endl;
	return slsDetectorDefs::OK;
}


int writeDataFile(std::string fname,int nch, short int *data) {
	std::ofstream outfile;
	if (data==nullptr)
		return slsDetectorDefs::FAIL;
	outfile.open (fname.c_str(),std::ios_base::out);
	if (outfile.is_open())       {
		writeDataFile(outfile, nch, data, 0);
		outfile.close();
		return slsDetectorDefs::OK;
	} else {
		FILE_LOG(logERROR) << "Could not open file " << fname << "for writing";
		return slsDetectorDefs::FAIL;
	}
}