151 lines
2.9 KiB
C++
Executable File
151 lines
2.9 KiB
C++
Executable File
#ifndef __OBJECT_H
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#define __OBJECT_H
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#ifndef __IOSTREAM_H
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#include <iostream.h>
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#endif
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#ifndef __CLASSES_H
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#include <classes.h>
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#endif
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#ifndef __STDTYPES_H
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#include <stdtypes.h>
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#endif
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#ifndef __CHECKS_H
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#include <checks.h>
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#endif
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// @C
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// Classe Object
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// @END
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// @N
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// Base class for all object hierarchy
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// @END
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//////////////////////////////////////////////////////////////////////////////
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// Object
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//////////////////////////////////////////////////////////////////////////////
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class TObject
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{
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public:
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// @FPUB
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virtual ~TObject() {}
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virtual const char* class_name() const;
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virtual word class_id() const;
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virtual bool ok() const;
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virtual TObject* dup() const;
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virtual void print_on(ostream& out) const;
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virtual void read_from(istream&) {}
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virtual word hash() const { return 0; }
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};
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// @C
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// Classe TErrorObject
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// @END
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//////////////////////////////////////////////////////////////////////////////
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// Error Object
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//////////////////////////////////////////////////////////////////////////////
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class TError_Object : public TObject
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{
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public:
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// @FPUB
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virtual const char* class_name() const;
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virtual word class_id() const;
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virtual bool ok() const;
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};
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// @C
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// Classe TSortable
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// @END
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//////////////////////////////////////////////////////////////////////////////
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// Error Object
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//////////////////////////////////////////////////////////////////////////////
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class TSortable : public TObject
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{
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public:
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// @FPUB
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virtual int compare(const TSortable& s) const pure;
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virtual const char* class_name() const;
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virtual word class_id() const;
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};
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//////////////////////////////////////////////////////////////////////////////
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// inline functions
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//////////////////////////////////////////////////////////////////////////////
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// @FIN
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inline ostream& operator <<(ostream& out, const TObject& obj)
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{
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obj.print_on(out);
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return out;
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}
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// @FIN
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inline istream& operator >>(istream& in, TObject& obj)
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{
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obj.read_from(in);
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CHECK(obj.ok(), "Can't read an Object from a stream");
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return in;
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}
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inline bool operator ==(const TSortable& a, const TSortable& b)
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{
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int res = a.compare(b);
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return res == 0 || res == UNDEFINED;
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}
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inline bool operator >(const TSortable& a, const TSortable& b)
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{
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int res = a.compare(b);
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return res > 0 || res == UNDEFINED;
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}
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inline bool operator <(const TSortable& a, const TSortable& b)
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{
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int res = a.compare(b);
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return res < 0 || res == UNDEFINED;
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}
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inline bool operator >=(const TSortable& a, const TSortable& b)
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{
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int res = a.compare(b);
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return res >= 0 || res == UNDEFINED;
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}
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inline bool operator <=(const TSortable& a, const TSortable& b)
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{
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int res = a.compare(b);
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return res <= 0 || res == UNDEFINED;
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}
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inline bool operator !=(const TSortable& a, const TSortable& b)
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{
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int res = a.compare(b);
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return res != 0 && res != UNDEFINED;
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}
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#ifdef __OBJECT_CPP
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#define extern
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#endif
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// @DPUB
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extern TError_Object error;
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// @END
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#undef extern
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#endif // __OBJECT_H
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