Added examples for binding functions and methods

[command.git] / examples / functions.cpp

diff --git a/examples/functions.cpp b/examples/functions.cpp
new file mode 100644 (file)
index 0000000..df3ec47
--- /dev/null
+++ b/examples/functions.cpp
@@ -0,0 +1,55 @@
+#include <iostream>
+#include <string>
+#include <functional>
+
+#include "option.h"
+#include "argument.h"
+#include "required.h"
+#include "multiValue.h"
+#include "grouped.h"
+#include "command.h"
+
+using namespace command;
+
+/**
+ * @file
+ * @brief Simple example explaining how to bind functions to command-line parameters
+ */
+
+void argument_function(bool a) {
+    std::cout << "Argument: " << a << std::endl;
+}
+
+void option_function(std::string a) {
+    std::cout << "Help function " << a << std::endl;
+}
+
+void void_function(void) {
+    std::cout << "Void function " << std::endl;
+}
+
+int main(int argc, char **argv)
+{
+    try {
+        Command command(argc, argv, {
+            // function with bool parameter
+            new Argument<bool>("Input values", argument_function),
+
+            // function with std::string parameter
+            new Option<std::string>("f", "Optional file", option_function),
+
+            // function without parameter
+            new Option<void>("h", "Help", void_function)
+        });
+
+        /* Code is initialized.
+         *
+         * You can run your main program e.g. here
+         */
+    }
+    catch(const std::exception & e) {
+        std::cout << e.what() << std::endl;
+    }
+
+    return 0;
+}