Adapt BasicAFP to be able to take conf files with a list of input files

src/adf/BasicAFP.cpp

@@ -67,17 +67,24 @@ Bool_t BasicAFP::NewFile()
 		fCurrentFile = 0x0;
 		std::cout << "  -BasicAFP: the input file has just been closed " << fCurrentFileName << std::endl;
 	}
-	
-	// open the first file to be ready to be run
-	std::string tmp = fPath;
-	if ( tmp.size() > 0 && !(tmp.at(tmp.size()-1) == '/') ) 
-		tmp += '/';
-	
-	std::ostringstream filename;
-	filename << tmp << fBaseForName
-	<< std::setfill('0') << std::setw(4) << fCurrentFileNumber++ << std::setfill(' ')
-	<< ".adf";
-	fCurrentFileName = filename.str();
+
+    if(fListOfIndividualFiles.size()) {
+        if(fCurrentFileNumber<fListOfIndividualFiles.size()) fCurrentFileName = fListOfIndividualFiles.at(fCurrentFileNumber);
+        else fCurrentFileName.clear();
+        fCurrentFileNumber++;
+    }
+    else {
+        // open the first file to be ready to be run
+        std::string tmp = fPath;
+        if ( tmp.size() > 0 && !(tmp.at(tmp.size()-1) == '/') )
+        tmp += '/';
+
+        std::ostringstream filename;
+        filename << tmp << fBaseForName
+                 << std::setfill('0') << std::setw(4) << fCurrentFileNumber++ << std::setfill(' ')
+                 << ".adf";
+        fCurrentFileName = filename.str();
+    }
 	
 	fCurrentFile = ::fopen(fCurrentFileName.c_str(),"rb");
 	if ( fCurrentFile != 0x0 ) {
@@ -92,8 +99,8 @@ Bool_t BasicAFP::NewFile()
 		fCurrentName = fCurrentFileName.substr(lpt+1, len-lpt-1);
 		ok = true;
 	}
-	else {
-		Log << "Could not open input file " << fCurrentFileName << nline;
+    else {
+        if(fCurrentFileName.length()) Log << "Could not open input file " << fCurrentFileName << nline;
 		GetFrameIO().SetStatus(BaseFrameIO::kFinished); 
 		ok = false;
 	}
@@ -176,23 +183,40 @@ void BasicAFP::process_initialise (UInt_t *error_code)
 	*error_code = 0u;
 	Log.ClearMessage(); Log.SetProcessMethod("process_initialise");
 	
-	// read an input file to get the base filename and the path  
-	std::string conffile = GetConfPath() + "BasicAFP.conf";
-	
+    // read an input file to get the base filename and the path
+    std::string conffile = GetConfPath() + "BasicAFP.conf";
+
 	std::ifstream filein(conffile.data());
-	if ( filein.is_open() == true ) { 
-		
-		std::string pathforfiles, basename; 
-		UInt_t starting_number;
-		
-		filein >> pathforfiles >> basename >> starting_number;
-		if ( filein.good() ) {
-			fPath = pathforfiles;
-			fBaseForName = basename;
-			fCurrentFileNumber = starting_number;
-			std::cout << "BasicAFP::process_initialise " << pathforfiles << " " << basename << " " << starting_number << std::endl;
-		}
-	}
+    if ( filein.is_open() == true ) {
+
+        // check with the first line if the files are given one by one
+        std::string line;
+        std::getline(filein,line);
+        int nblank = std::count(line.begin(), line.end(),' ');
+        filein.seekg(0);
+        // case where a list of files is given
+        if(nblank==0) {
+            while(filein.good()) {
+                std::getline(filein,line);
+                if(line.length()) fListOfIndividualFiles.push_back(line);
+            }
+            fCurrentFileNumber = 0;
+            std::cout << "BasicAFP::process_initialise => list of files to process:" << std::endl;
+            for(auto &i: fListOfIndividualFiles) std::cout << "   -- " << i << std::endl;
+        }
+        else {
+            std::string pathforfiles, basename;
+            UInt_t starting_number;
+
+            filein >> pathforfiles >> basename >> starting_number;
+            if ( filein.good() ) {
+                fPath = pathforfiles;
+                fBaseForName = basename;
+                fCurrentFileNumber = starting_number;
+                std::cout << "BasicAFP::process_initialise " << pathforfiles << " " << basename << " " << starting_number << std::endl;
+            }
+        }
+    }
 	filein.close();
 	
 	// open the first file

src/adf/BasicAFP.h

@@ -48,6 +48,8 @@ private:
 	std::string fPath;
 	//! base for all the files produced
 	std::string fBaseForName;
+    //! in case files are given one by one
+    std::vector<std::string> fListOfIndividualFiles;
 	//! current file 
 	FILE *fCurrentFile;
 	//! current file number