added try and catch

lib/commandLineParser.h

@@ -0,0 +1,80 @@
+/** 
+ * @file commandLineParser.h
+ * @brief Parses command line
+ * @author Preston Shultz
+ * Sources: 
+ * 
+ */
+
+#ifndef COMMAND_LINE_PARSER_H
+#define COMMAND_LINE_PARSER_H
+
+#include <string>
+#include <vector>
+
+/**
+ * @brief CommandLine Helper class
+ *
+ * Parse input arguments, sets input and output files
+ * Lets user use commands with program
+ * 
+ * @author Preston Shultz (shultzp1@my.erau.edu)
+ */
+class CLI{
+public:
+    /**
+     * @brief Takes in argc and argv and converts it to vector
+     *
+     * CLI constructor
+     *
+     * @author Preston Shultz (shultzp1@my.erau.edu)
+     */
+    CLI(int argc, char **argv);
+
+    /**
+     * @brief Runs Commands
+     *
+     * @author Preston Shultz (shultzp1@my.erau.edu)
+     */
+    void RunCommands();
+
+    /**
+     * @brief Prints a list of commands that can be used
+     *
+     * @author Preston Shultz (shultzp1@my.erau.edu)
+     */
+    void PrintHelp() const;
+
+    /**
+     * @brief Returns input file
+     *
+     * @author Preston Shultz (shultzp1@my.erau.edu)
+     */
+    std::string GetInputFile() const {return inputFile;}
+
+    /**
+     * @brief Returns output file
+     *
+     * @author Preston Shultz (shultzp1@my.erau.edu)
+     */
+    std::string GetOutputFile() const {return outputFile;}
+
+private:
+
+    /**
+     * @brief Ensures the provided filename has a .markup extension
+     *
+     * @param filename The file name to validate
+     * @return true if file ends with .markup
+     * @return false otherwise
+     * @author Preston Shultz (shultzp1@my.erau.edu)
+     */
+    static bool IsMarkupFile(const std::string& filename);
+    
+    std::string programName;
+    std::vector<std::string> args;
+    std::string inputFile;
+    std::string outputFile;
+};
+
+#endif