Fix: data file options; Feat: output file path

include/BluetAnalyzer.hh

@@ -143,7 +143,7 @@ public:
   void readTreeData(vector<string> files);
   void FillHistograms();
   void postOperations();
-  void saveHistograms();
+  void saveHistograms(TString);
   void drawHistograms();
 
 private:

main.cc

@@ -4,6 +4,7 @@
 
 #include "iostream"
 
+using namespace clipp;
 using namespace std;
 
 const string datapath = "/home/liuyihui/BluetAnalyzer/data";
@@ -11,18 +12,26 @@ const string datapath = "/home/liuyihui/BluetAnalyzer/data";
 int main(int argc, char **argv) {
   string cfgfile;
   string datafile;
+  string outputfile = "bluetAnalyzer.root";
   vector<string> ranges;
   vector<string> runfiles;
   Long_t rl, rr;
 
-  auto cfg = clipp::value("config file", cfgfile);
-  auto data =
-      (clipp::option("-f", "--file") & clipp::value("data file", datafile),
-       clipp::option("-r", "--range") &
-           clipp::values("number1 number2", ranges));
+  auto cfg = value("config file", cfgfile);
+  auto data = (((required("-f", "--file").doc("data file path") &
+                 value("data file", datafile)) |
+                (required("-r", "--range").doc("data file number range") &
+                 values("number1 number2", ranges))),
+               option("-o", "--output")
+                       .doc("output file path, default: bluetAnalyzer.root") &
+                   value("output file", outputfile));
 
-  if (!clipp::parse(argc, const_cast<char **>(argv), cfg & data)) {
-    cerr << clipp::make_man_page(cfg & data, argv[0]) << endl;
+  auto fmt = doc_formatting{}.first_column(4);
+  if (!parse(argc, const_cast<char **>(argv), cfg & data)) {
+    cerr << make_man_page(cfg & data, "BluetAnalyzer", fmt)
+                .prepend_section("DESCRIPTION",
+                                 "    Program for MTPC Data Analysis.")
+         << endl;
     return 1;
   }
 
@@ -50,7 +59,7 @@ int main(int argc, char **argv) {
   bluet->readTreeData(runfiles);
   bluet->FillHistograms();
   bluet->postOperations();
-  bluet->saveHistograms();
+  bluet->saveHistograms(outputfile);
   bluet->drawHistograms();
 
   return 0;

src/BluetAnalyzer.cc

@@ -996,8 +996,8 @@ void BluetAnalyzer::drawPadFeatures() {
 //   c0->Update();
 // }
 
-void BluetAnalyzer::saveHistograms() {
-  TFile *fout = new TFile("bluetAnalyzer.root", "RECREATE");
+void BluetAnalyzer::saveHistograms(TString filename) {
+  TFile *fout = new TFile(filename, "RECREATE");
   fout->cd();
   hprofile->Write();
   hslicex->Write();