Application.h

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/***********************************************************************

  ColorBox2: Application.h
    (c) 2004 by Martin Decky
  
  Distributed under the terms of Lesser General Public Licence, see
  COPYING.

  0.2           20th June 2003      basic structure
  0.3           20th August 2004    rewrite

***********************************************************************/


#ifndef __CB2__APPLICATION_H__
#define __CB2__APPLICATION_H__


#include <cb2/utils.h>
#include <cb2/Template.h>
#include <cb2/Widgets.h>
#include <iostream>


#define CB2_IMPLEMENT_APP_SER(AppType, SerType) \
    int main(int argc, char * argv[]) { \
        try { \
            SerType serializer(argc, argv, std::cin); \
            AppType app; \
        } catch (Exception & e) { \
            CB2::Application::AppError("Application exception", e.What()); \
        } catch (...) { \
            CB2::Application::AppError("Fatal application exception"); \
        } \
        \
        return 0; \
    }

#define CB2_IMPLEMENT_APP(AppType) CB2_IMPLEMENT_APP_SER(AppType, Serializer)


#define CB2_DECLARE_SERIALIZEDCLASS(ClassType) \
    virtual const char * GetSerialName();


#define CB2_IMPLEMENT_SERIALIZEDCLASS(ClassType) \
    const char * ClassType::GetSerialName() { \
        return #ClassType; \
    }


namespace CB2 {
    

    class Serializer : public Class {
        public:
            Serializer(int argc, char * argv[], std::istream & input);
            virtual ~Serializer();
        
            virtual void BeginInstance(const char * serialname, const char * instance);
            virtual const Serializer & operator<<(const String & data);
            virtual const Serializer & operator>>(String & data);
            virtual void EndInstance();
            
            virtual String Render();
            
            static Serializer & GetSerializer();
            
            MapList PostVars;
            MapList GetVars;
        
        protected:
            
            virtual void load(int argc, char * argv[], std::istream & input);
            
    };
    
    
    class SerializedClass : public Class {
        public:
            SerializedClass(const char * instance);
            virtual ~SerializedClass();
        
            virtual bool Write(Serializer * storage) = 0;
            virtual bool Read(Serializer * storage) = 0;
            virtual const char * GetSerialName() = 0;
        
        private:
            
            const char * inst;
    };


    class Application : public Class {
        public:
            Application();
            ~Application();
            
            void SetTemplate(Template * temp, const String & anc);
            void SetMimeType(const String & mtype);
            
            Template * Register(Widget * child, String & anc);
            
            static void AppError(const String & error, const String & desc = "");
            
        private:
            Widget * member;
            Template * templ;
            String anchor;
            String mime;
    };
    
    
}


#endif

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