Update README with newly released version url

[command.git] / include / argument.h

diff --git a/include/argument.h b/include/argument.h
index dfaea65cea9b4ba6d5d54dd39c000ee79b8ad19e..bf5fc3354f304c7b894252069969451275ec7fff 100644 (file)
--- a/include/argument.h
+++ b/include/argument.h
@@ -4,6 +4,7 @@
 #include <string>
 #include <sstream>
 #include <iostream>
+#include <functional>
 
 #include "parameter.h"
 #include "callable.h"
@@ -14,9 +15,9 @@ namespace command {
      * Arguments are non-named parameters of program.
      *
      * Example:
-     *  ./myprog ARGUMENT
-     *  ./myprog /path/to/file
-     *  ./myprog "some argument"
+     *  - ./myprog ARGUMENT
+     *  - ./myprog /path/to/file
+     *  - ./myprog "some argument"
      */
     template<typename ParameterType>
     class Argument : public Parameter, public Callable<ParameterType> {
@@ -31,7 +32,7 @@ namespace command {
          * @param description Description of current Argument
          * @param function Function used to handle current Argument.
          */
-        Argument(const std::string & description, void (*function)(ParameterType))
+        Argument(const std::string & description, std::function<void(ParameterType)> function)
             : Parameter(description), Callable<ParameterType>(function) {
         }
 
@@ -41,10 +42,11 @@ namespace command {
         virtual ~Argument() { }
 
         /**
-         *
+         * \inheritdoc
          */
         virtual void handle() {
             this->call(value);
+            this->used = true;
         }
 
         /**
@@ -64,20 +66,24 @@ namespace command {
          *  against next value.
          */
         virtual bool understand(const std::string & argv) {
-            if (!isUsed()) {
-                std::stringstream ss;
+            std::stringstream ss;
 
-                ss << argv;
-                ss >> value;
+            ss << std::fixed << argv;
+            ss >> value;
 
-                if (!ss.fail()) {
-                    this->used = true;
-                    return true;
-                }
+            if (!ss.fail()) {
+                return true;
             }
 
             return false;
         }
+
+        /**
+         * \inheritdoc
+         */
+        virtual unsigned int valuePosition(const std::string & ) {
+            return 0;
+        }
     };
 }