Added expandable template for C++ launcher.

plates/cpp-launcher/CMakeLists.txt

@@ -0,0 +1,21 @@
+
+###############################################################################
+## Author: Shaun Reed                                                        ##
+## Legal: All Content (c) 2019 Shaun Reed, all rights reserved               ##
+##                                                                           ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0  ##
+##############################################################################
+
+# Define the version of CMake
+cmake_minimum_required(VERSION 2.8)
+
+# Define the your project name
+project(cpp-launcher)
+
+# Include any directories the compiler may need
+include_directories(./include)
+
+# Point CMake to look for more CMakeLists within the following directories
+add_subdirectory(src)
+add_subdirectory(apps)
+

plates/cpp-launcher/apps/CMakeLists.txt

@@ -0,0 +1,16 @@
+###############################################################################
+## Author: Shaun Reed                                                        ##
+## Legal: All Content (c) 2019 Shaun Reed, all rights reserved               ##
+##                                                                           ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0  ##
+##############################################################################
+
+# Create a reference / variable to refer to our source code
+set(LAUNCHER_SRC launcher.cpp)
+
+# Add our executable, naming it and linking it to our source code
+add_executable(launcher ${LAUNCHER_SRC})
+
+# Link to our custom library, defined in c-cmake/src/
+target_link_libraries(launcher lib-launcher)
+

plates/cpp-launcher/apps/launcher.cpp

@@ -0,0 +1,76 @@
+/*#############################################################################
+## Author: Shaun Reed                                                        ##
+## Legal: All Content (c) 2019 Shaun Reed, all rights reserved               ##
+##                                                                           ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0  ##
+##############################################################################
+## launcher.cpp
+*/
+
+#include <iostream>
+#include <lib-launcher.hpp>
+
+int main () {
+  // Because the launcher is this executable.. (main() will become our exe)
+  // Initialize the user choice to launcher problem at runtime
+  int pChoice = LAUNCH;
+
+  // Cast the integer pChoice into an assignment for our Problem enum
+  // No failsafes needed here since we know pChoice = LAUNCH
+  Problem pSelect = static_cast<Problem>(pChoice);
+
+  do
+  {
+    printf("\nWelcome to the cpp launcher!\n"
+           "Input the problem number to run the example.\n");
+
+    //ProblemList(); List and explain problem selection
+    //ProblemSelect(); Select problem, handle errors, return result to &pSelect
+    
+    std::cin >> pChoice;
+    
+    if(pChoice == LAUNCH)
+    { // Ensure that pSelect = LAUNCH and restart
+    pSelect = static_cast<Problem>(pChoice);
+    std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
+    RunProblem(pSelect);
+    continue;
+    }
+    else if ( pChoice > QTY )
+    { // If we have entered a value too large, restart
+    std::printf("\nThe value you entered is too large."
+    "\nPlease enter a value below %d\n", QTY);
+    pSelect = Problem::Launch; // Set our launcher to restart and continue
+    continue;
+    }
+
+    if (!std::cin ) 
+    { // Check for cin error state
+    std::cin.clear();
+    std::cin.ignore();
+    pChoice = ERROR;
+    }
+    // One last input check for other error values
+    if (pChoice < EXIT) pChoice = ERROR;
+
+    // Cast the integer pChoice into an assignment for our Problem enum    
+    pSelect = static_cast<Problem>(pChoice);
+
+    /*
+    * We should expect a clear input buffer at this point
+    * Clear cin up to next endline to prepare for the next input
+    * Depends on include <limits> for numeric_limits<streamsize>
+    */
+    std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
+
+    // Run the problem, print exit, or print error.
+    RunProblem(pSelect); 
+
+  // Run loop until invalid or exit input recieved
+  } while (pChoice > EXIT || pChoice == LAUNCH); 
+  // Exit the launcher if the selection is in range
+  // Exit if pSelect is set to ERROR state value
+
+  return 0;
+}
+

plates/cpp-launcher/cmake-build.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+## Author: Shaun Reed | Contact: shaunrd0@gmail.com | URL: www.shaunreed.com ##
+## A custom bash script for building cmake projects.                         ##
+## Intended to be ran in root directory of the project alongside CMakeLists  ##
+###############################################################################
+
+# Infinite while loop - break on conditions
+while true
+do
+
+  printf "\nEnter 1 to build, 2 to cleanup previous build, 0 to exit.\n"
+  read bChoice
+
+  # Build loop
+  # If input read is == 1
+  if [ $bChoice -eq 1 ]
+  then
+    mkdir build
+    (cd build && cmake .. && cmake --build .)
+  fi
+
+  # Clean-up loop
+  # If input read is == 2
+  if [ $bChoice -eq 2 ]
+  then
+    rm -Rv build/*
+  fi
+
+  # Exit loops, all other input - 
+
+  # If input read is >= 3, exit
+  if [ $bChoice -ge 3 ]
+  then
+    break 
+  fi
+  
+  # If input read is <= 0, exit
+  if [ $bChoice -le 0 ]
+  then
+    break
+  fi
+
+  # Bash will print an error if symbol or character input
+
+done
+

plates/cpp-launcher/include/lib-launcher.hpp

@@ -0,0 +1,37 @@
+/*#############################################################################
+## Author: Shaun Reed                                                        ##
+## Legal: All Content (c) 2019 Shaun Reed, all rights reserved               ##
+##                                                                           ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0  ##
+##############################################################################
+## lib-launcher.hpp
+*/
+
+#include <iostream>
+#include <limits>
+
+// Define our constants
+// These are used for ranges within our control loops
+const int QTY = 5;
+const int EXIT = 0;
+const int ERROR = -1;
+const int LAUNCH = 99;
+
+/* An enumeration for use with RunProblem() when selecting which problem to run
+ * This is meant to be expanded as needed.
+ * Be sure to add a corresponding case within RunProblem()
+ *
+ * @Launcher (LAUNCH 99) the value used for the launcher as a problem number
+ * @Exit (EXIT 0) is the normal exit index
+ * @Error (ERROR -1) is considered an error
+ */
+enum class Problem 
+{ Launch = 99, Error = -1, Exit, One, Two, Three, Four, Five };
+
+/* This function allows for selection of the next problem to run.
+ *
+ * @param pSelect - The index to use within our enumeration.
+ *                  Allows for easy integer to problem selection.
+ */
+void RunProblem(Problem pSelect);
+

plates/cpp-launcher/src/CMakeLists.txt

@@ -0,0 +1,13 @@
+###############################################################################
+## Author: Shaun Reed                                                        ##
+## Legal: All Content (c) 2019 Shaun Reed, all rights reserved               ##
+##                                                                           ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0  ##
+##############################################################################
+
+# Create any links we might need
+set(LIB_LAUNCHER_SRC lib-launcher.cpp)
+
+# Define our library within CMake and link to the source code
+add_library(lib-launcher ${LIB_LAUNCHER_SRC})
+

plates/cpp-launcher/src/lib-launcher.cpp

@@ -0,0 +1,80 @@
+/*#############################################################################
+## Author: Shaun Reed                                                        ##
+## Legal: All Content (c) 2019 Shaun Reed, all rights reserved               ##
+##                                                                           ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0  ##
+##############################################################################
+## lib-launcher.cpp
+*/
+
+#include <lib-launcher.hpp>
+
+/* This function allows for selection of the next problem to run.
+ *
+ * @param pSelect - The index to use within our enumeration.
+ *                  Allows for easy integer to problem selection.
+ */
+void RunProblem(Problem pSelect) { 
+
+  switch (pSelect) {
+    
+    case Problem::One:  
+      std::printf("\nYou are on problem 1!\n"
+      "Press enter to continue.");
+      std::cin.ignore();
+      break;
+    
+    case Problem::Two:
+      std::printf("\nYou are on problem 2!\n"
+      "Press enter to continue.");
+      std::cin.ignore();
+      break;
+    
+    case Problem::Three:
+      std::printf("\nYou are on problem 3!\n"
+      "Press enter to continue.");
+      std::cin.ignore();
+      break;
+    
+    case Problem::Four:
+      std::printf("\nYou are on problem 4!\n"
+      "Press enter to continue.");
+      std::cin.ignore();
+      break;
+    
+    case Problem::Five:
+      std::printf("\nYou are on problem 5!\n"
+      "Press enter to continue.");
+      std::cin.get();
+      break;
+
+    case Problem::Exit:
+      std::printf("\nYou are on problem 0! This is a safe exit.\n"
+      "Press enter to continue.");
+      std::cin.ignore();
+      break;
+
+    case Problem::Error:
+      std::printf("\nYou are on problem -1! This is considered and error.\n"
+      "Press enter to exit.");
+      std::cin.ignore();
+      break;
+
+    case Problem::Launch:
+      // Do nothing, break and let main() restart the launcher
+      std::printf("\nRestarting the launcher...\n"
+      "Press enter to continue.");
+      std::cin.ignore();
+      break;
+
+    default:
+      std::printf("\nYou have entered an invalid value."
+      "\nPress Enter to try again.");
+      //ProblemList();
+      break;
+
+  }
+
+  return;
+}
+