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Annotation of parser3/src/types/pa_vobject.h, revision 1.2

1.1       paf         1: /*
                      2:        Parser
                      3:        Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.2     ! paf         4:        Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.1       paf         5: 
1.2     ! paf         6:        $Id: pa_vobject.h,v 1.1 2001/03/11 07:52:46 paf Exp $
1.1       paf         7: */
                      8: 
                      9: #ifndef PA_VOBJECT_H
                     10: #define PA_VOBJECT_H
                     11: 
                     12: #include "pa_valiased.h"
                     13: #include "pa_vjunction.h"
                     14: #include "pa_vclass.h"
                     15: 
                     16: class Temp_class_alias;
                     17: 
                     18: class VObject : public VAliased {
                     19:        friend Temp_class_alias;
                     20: public: // Value
                     21:        
                     22:        // all: for error reporting after fail(), etc
                     23:        const char *type() const { return "object"; }
                     24: 
                     25:        // object_instance: (field)=value;(CLASS)=vclass;(method)=method_ref
                     26:        Value *get_element(const String& name) {
                     27:                // $CLASS=my class
                     28:                if(name==CLASS_NAME)
                     29:                        return fclass_alias;
                     30:                // $BASE=my parent
                     31:                if(name==BASE_NAME)
                     32:                        return fclass_alias->base();
                     33:                // $method=junction(self+class+method)
                     34:                if(Junction *junction=fclass_real.get_junction(*this, name))
                     35:                        return NEW VJunction(*junction);;
                     36:                // $field=ffields.field
                     37:                return static_cast<Value *>(ffields.get(name));
                     38:        }
                     39: 
                     40:        // object_instance: (field)=value
                     41:        void put_element(const String& name, Value *value) {
                     42:                // speed1:
                     43:                //   will not check for '$CLASS(subst)' trick
                     44:                //   will hope that user ain't THAT self-hating person
                     45:                // speed2:
                     46:                //   will not check for '$method_name(subst)' trick
                     47:                //   -same-
                     48: 
                     49:                ffields.put(name, value);
                     50:        }
                     51: 
                     52:        // object_class, object_instance: object_class
                     53:        VClass *get_class() { return &fclass_real; }
                     54: 
                     55: public: // creation
                     56: 
                     57:        VObject(Pool& apool, VClass& aclass_real) : VAliased(apool, aclass_real), 
                     58:                fclass_real(aclass_real),
                     59:                ffields(apool) {
                     60:        }
                     61: 
                     62: private:
                     63: 
                     64:        VClass& fclass_real;
                     65:        Hash ffields;
                     66: };
                     67: 
                     68: #endif