X-Git-Url: https://git.dlugolecki.net.pl/?a=blobdiff_plain;f=include%2Fparameter.h;h=87c1590ccc85fbcdbe9d6f69ce01f0d5fd2253a6;hb=f2d683504e2dc76868ec84d7c1fd858edc0df5a4;hp=3f5cfaab896bc9cbccfbcb54447fdd2ee46e2ce2;hpb=1fb7bf70d04d24cbb0c1789a3c5125aadeb8b158;p=command.git

diff --git a/include/parameter.h b/include/parameter.h
index 3f5cfaa..87c1590 100644
--- a/include/parameter.h
+++ b/include/parameter.h
@@ -2,6 +2,7 @@
 #define __COMMAND_PARAMETER_H
 
 #include <string>
+#include <sstream>
 
 #include "descriptive.h"
 #include "callable.h"
@@ -14,6 +15,10 @@ namespace command {
      *  ./myprog ARGUMENT
      */
     class Parameter : public Descriptive {
+    protected:
+        /** Variable indicating if current Parameter was already used or not */
+        bool used = false;
+
     public:
         typedef class Parameter Type;
         /**
@@ -21,21 +26,55 @@ namespace command {
          *
          * @param description Description of current Argument
          */
-        Parameter(std::string description)
+        Parameter(const std::string & description)
             : Descriptive(description) {
         }
-        virtual ~Parameter() {}
+
+        virtual ~Parameter() { }
 
         /**
-         * Method used for handling method calls linked with Argument or Option
+         * Method used for handling method calls linked with this Parameter
          */
         virtual void handle() = 0;
 
         /**
          * Method used for checking if the given user value understandable for
          * parameter.
+         *
+         * @return true if passed value is understandable by current Parameter.
+         *      False otherwise.
+         */
+        virtual bool understand(const std::string & ) = 0;
+
+        /**
+         * Indicates if current Parameter is required
+         *
+         * @return false, as all Parameters are non-required by default. If you
+         *      want to make Parameter as required, wrap it using Required class
+         */
+        virtual bool isRequired() {
+            return false;
+        };
+
+        /**
+         * Indicates if current Parameter has been already used
+         *
+         * @return true if current Parameter has been already used. False otherwise.
+         */
+        virtual bool isUsed() {
+            return used;
+        }
+
+        /**
+         */
+        virtual bool hungryForValue() {
+            return false;
+        }
+
+        /**
+         * @return position where value starts in passed string
          */
-        virtual bool understand(std::string argVal) = 0;
+        virtual unsigned int valuePosition(const std::string & ) = 0;
     };
 }