versioning info

include/VersionInfo.h

@@ -0,0 +1,79 @@
+/*******************************************************************************
+        This file is Part of the ZEngine Library for 2D game development.
+                   Copyright (C) 2002, 2003 James Turk
+
+                     Licensed under a BSD-style license.
+
+    The maintainer of this library is James Turk (james@conceptofzero.net) 
+     and the home of this Library is http://www.zengine.sourceforge.net
+*******************************************************************************/
+
+/*!
+    \file VersionInfo.h
+    \brief Definition file for VersionInfo class.
+
+    Definition file for VersinInfo class, simple class for containing and comparing 
+    version numbers.
+    <br>$Id: VersionInfo.h,v 1.1 2003/06/10 23:15:31 cozman Exp $<br>
+    \author James Turk
+**/
+
+#ifndef __versioninfo_h__
+#define __versioninfo_h__
+
+#include "ZE_Utility.h"
+
+/*!
+    \brief Class for holding version information.
+
+    Class for holding version information on a library.
+**/
+class VersionInfo
+{
+    public:
+        //! Major version number.
+        unsigned int major;
+        //! Minor version number, changes upon signifigant releases. (Often upon compatibility breaks.)
+        unsigned int minor;
+        //! Version release number, changes on every release.
+        unsigned int release;
+        //! String Description of release. (Often blank.)
+        string extra;
+
+        /*!
+            \brief Get string representing version number.
+
+            Get dotted version number major.minor.release [extra].
+            \return Formatted version string.
+        **/
+        string GetString() const;
+
+        /*!
+            \brief Less than operator overload for comparing VersionInfo.
+
+            Overload of the less than (<) operator for two VersionInfos.
+            \param rhs Right hand side of comparison.
+            \return true if less than, false if greater than or equal to.
+        **/
+        bool operator<(const VersionInfo &rhs) const;
+
+        /*!
+            \brief Equals to operator overload for comparing VersionInfo.
+
+            Overload of the equals to (==) operator for two VersionInfos.
+            \param rhs Right hand side of comparison.
+            \return true if equal to, false if not equals to.
+        **/
+        bool operator==(const VersionInfo &rhs) const;
+
+        /*!
+            \brief Greater than operator overload for comparing VersionInfo.
+
+            Overload of the greater than (>) operator for two VersionInfos.
+            \param rhs Right hand side of comparison.
+            \return true if greater than, false if less than or equal to.
+        **/
+        bool operator>(const VersionInfo &rhs) const;
+};
+
+#endif //__versioninfo_h__

src/VersionInfo.cpp

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+#include "VersionInfo.h"
+
+/*!
+    \file VersionInfo.cpp
+    \brief Implementation file for VersionInfo class.
+
+    Implementation file for VersinInfo class, simple class for containing and comparing 
+    version numbers.
+    <br>$Id: VersionInfo.cpp,v 1.1 2003/06/10 23:15:32 cozman Exp $<br>
+    \author James Turk
+**/
+
+string VersionInfo::GetString() const
+{
+    if(extra.length())
+        return ZE::FormatStr("%d.%d.%d [%s]",major,minor,release,extra.c_str());
+    else
+        return ZE::FormatStr("%d.%d.%d",major,minor,release);
+}
+
+bool VersionInfo::operator<(const VersionInfo &rhs) const
+{
+    if(this->major < rhs.major)
+        return true;
+    else if(this->major == rhs.major)
+    {
+        if(this->minor < rhs.minor)
+            return true;
+        else if(this->minor == rhs.minor)
+        {
+            if(this->release < rhs.release)
+                return true;
+            else if(this->release == rhs.release)
+            {
+                if(this->extra.length() == 0 && rhs.extra.length() != 0)
+                    return true;
+                else if(this->extra.length() && rhs.extra.length())
+                {
+                    return this->extra[0] < rhs.extra[0];
+                }
+            }
+        }
+    }
+    return false;
+}
+
+bool VersionInfo::operator==(const VersionInfo &rhs) const
+{
+    return this->GetString() == rhs.GetString();
+}
+
+bool VersionInfo::operator>(const VersionInfo &rhs) const
+{
+    return !((*this) < rhs || (*this) == rhs);
+}