[opengtl-commits] [162] add a function to return wether a type is an unsigned integer or not

[subversion@xxxxxxxxxxxxx]

Revision: 162
Author:   cyrille
Date:     2008-05-02 19:03:47 +0200 (Fri, 02 May 2008)

Log Message:
-----------
add a function to return wether a type is an unsigned integer or not

Modified Paths:
--------------
    trunk/OpenGTL/OpenGTL/GTLCore/Type.cpp
    trunk/OpenGTL/OpenGTL/GTLCore/Type.h


Modified: trunk/OpenGTL/OpenGTL/GTLCore/Type.cpp
===================================================================
--- trunk/OpenGTL/OpenGTL/GTLCore/Type.cpp	2008-05-02 16:58:35 UTC (rev 161)
+++ trunk/OpenGTL/OpenGTL/GTLCore/Type.cpp	2008-05-02 17:03:47 UTC (rev 162)
@@ -236,3 +236,21 @@
   }
 
 }
+
+bool Type::isSigned() const
+{
+  return not isUnsigned();
+}
+
+bool Type::isUnsigned() const
+{
+  switch( dataType() )
+  {
+    case Type::UNSIGNED_INTEGER8:
+    case Type::UNSIGNED_INTEGER16:
+    case Type::UNSIGNED_INTEGER32:
+      return true;
+    default:
+      return false;
+  }
+}

Modified: trunk/OpenGTL/OpenGTL/GTLCore/Type.h
===================================================================
--- trunk/OpenGTL/OpenGTL/GTLCore/Type.h	2008-05-02 16:58:35 UTC (rev 161)
+++ trunk/OpenGTL/OpenGTL/GTLCore/Type.h	2008-05-02 17:03:47 UTC (rev 162)
@@ -143,6 +143,15 @@
        * @return the size of this type in bytes (or -1 for structures and arrays)
        */
       int bitsSize() const;
+      /**
+       * Convenient function that return the opposite of \ref isUnsigned()
+       * @return true if the type is signed
+       */
+      bool isSigned() const;
+      /**
+       * @return true if the type is an unsigned integer
+       */
+      bool isUnsigned() const;
     private:
       struct Private;
       Private* const d;