From 86c87ad6d19574824ce5e6948a6c1653adaab64f Mon Sep 17 00:00:00 2001
From: ThomasH <thomas.henn@rwth-aachen.de>
Date: Thu, 15 Sep 2016 21:12:05 +0200
Subject: [PATCH] add argument parsing & help output

Former-commit-id: d5e412f2cdd7085d57ab9ad1af12ff040d2db21e
---
 src/storm-gspn.cpp | 117 +++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 108 insertions(+), 9 deletions(-)

diff --git a/src/storm-gspn.cpp b/src/storm-gspn.cpp
index 76b2be886..40802218e 100644
--- a/src/storm-gspn.cpp
+++ b/src/storm-gspn.cpp
@@ -1,34 +1,133 @@
-#include <iostream>
-#include <src/builder/ExplicitGspnModelBuilder.h>
+#include "src/builder/ExplicitGspnModelBuilder.h"
 #include "src/exceptions/BaseException.h"
 #include "src/parser/GspnParser.h"
 #include "src/storage/gspn/GSPN.h"
+#include "src/storage/gspn/GspnBuilder.h"
 #include "src/utility/macros.h"
 #include "src/utility/initialize.h"
 #include <fstream>
+#include <iostream>
+#include <string>
+// TODO clean-up includes after doing all other todos
+
+/*!
+ * Parses the arguments to storm-gspn
+ * The read data is stored in the different arguments (e.g., inputFile, formula, ...)
+ *
+ * @param argc number of arguments passed to storm-gspn
+ * @param argv array of arguments
+ * @param inputFile the input file is stored in this object
+ * @param formula the formula is stored in this object
+ * @param outputFile the output file is stored in this object
+ * @param outputType the output type is stored in this object
+ * @return false if the help flag is set or the input file is missing
+ */
+bool parseArguments(const int argc, const char **argv, std::string &inputFile, std::string &formula,
+                    std::string &outputFile, std::string &outputType) {
+    auto end = argv + argc;
+    bool result = false;
+
+    for (auto it = argv; it != end; ++it) {
+        std::string currentArg = *it;
+
+        // parse input file argument
+        if (currentArg == "--input_file" || currentArg == "-i") {
+            auto next = it + 1;
+            if (next != end) {
+                return -1;
+            } else {
+                inputFile = *next;
+                result = true;
+            }
+            break;
+        }
 
-int main(const int argc, const char** argv) {
-    if (argc != 3) {
-        std::cout << "Error: incorrect number of parameters!" << std::endl << std::endl;
-        std::cout << "Usage:" << std::endl;
-        std::cout << "storm-gspn <path to pnml file> <formular>" << std::endl;
+        // parse formula argument
+        if (currentArg == "--formula" || currentArg == "-f") {
+            auto next = it + 1;
+            if (next != end) {
+                return -1;
+            } else {
+                formula = *next;
+            }
+            break;
+        }
+
+        // parse output file argument
+        if (currentArg == "--output_file" || currentArg == "-o") {
+            auto next = it + 1;
+            if (next != end) {
+                return -1;
+            } else {
+                outputFile = *next;
+            }
+            break;
+        }
+
+        // parse output file type argument
+        if (currentArg == "--output_type" || currentArg == "-ot") {
+            auto next = it + 1;
+            if (next != end) {
+                return -1;
+            } else {
+                outputType = *next;
+            }
+            break;
+        }
+
+        // parse help argument
+        if (currentArg == "--help" || currentArg == "-h") {
+            return false;
+        }
+    }
+
+    return result;
+}
+
+/*!
+ * Print the manual of storm-gspn
+ */
+void printHelp() {
+    std::cout << "storm-gspn -i input_file [-f formula] [-o output_file] [-ot output_type] [-h]" << std::endl;
+    std::cout << std::endl;
+    std::cout << "-i, --input_file:   file which contains the gspn" << std::endl;
+    std::cout << "-f, --formula:      formula which should be checked on the gspn" << std::endl;
+    std::cout << "-o, -output_file:   file in which the gspn/markov automaton should be stored" << std::endl
+              << "                    requires the option -ot to be set" << std::endl;
+    std::cout << "-ot, --output_type: possible output types are: pnml, pnpro or ma" << std::endl;
+}
+
+int main(const int argc, const char **argv) {
+    std::string inputFile, formula, outputFile, outputType;
+    if (!parseArguments(argc, argv, inputFile, formula, outputFile, outputType)) {
+        printHelp();
         return 1;
     }
 
     try {
         storm::utility::setUp();
 
-        // Parse GSPN from xml
+        // parse GSPN from file
         auto parser = storm::parser::GspnParser();
-        auto gspn = parser.parse(argv[1]);
+        auto gspn = parser.parse(inputFile);
+
+        // todo ------[marker]
         gspn.isValid();
 
+        storm::gspn::GspnBuilder builder2;
+        builder2.addPlace(2);
+
         //
         //std::ofstream file;
         //file.open("/Users/thomas/Desktop/storm.dot");
         //gspn.writeDotToStream(file);
         //file.close();
 
+        std::ofstream file;
+        file.open("/Users/thomas/Desktop/gspn.pnpro");
+        gspn.toPnpro(file);
+        file.close();
+
         std::cout << "Parsing complete!" << std::endl;