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DICT.CPP
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C/C++ Source or Header
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1990-05-04
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4KB
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151 lines
//
// This file contains proprietary information of Borland International.
// Copying or reproduction without prior written approval is prohibited.
//
// Copyright (c) 1990
// Borland International
// 1800 Scotts Valley Dr.
// Scotts Valley, CA 95066
// (408) 438-8400
//
// Contents ----------------------------------------------------------------
//
// Dictionary::isA
// Dictionary::nameOf
// Dictionary::lookup
// Dictionary::add
//
// Description
//
// Implementation of member functions for class Dictionary.
//
// End ---------------------------------------------------------------------
// Interface Dependencies ---------------------------------------------------
#ifndef __OBJECT_H
#include <object.h>
#endif
#ifndef __DICT_H
#include <dict.h>
#endif
// End Interface Dependencies ------------------------------------------------
// Implementation Dependencies ----------------------------------------------
#ifndef __CONTAIN_H
#include <contain.h>
#endif
#ifndef __ASSOC_H
#include <assoc.h>
#endif
// End Implementation Dependencies -------------------------------------------
// Member Function //
Dictionary::~Dictionary()
// Summary -----------------------------------------------------------------
//
// Destructor for a Dictionary object.
//
// We don't do anything here, because the destructor for HashTable
// will take care of destroying the contained objects.
//
// End ---------------------------------------------------------------------
{
}
// End Destructor //
// Member Function //
classType Dictionary::isA() const
// Summary -----------------------------------------------------------------
//
// Returns the class type of a dictionary.
//
// End ---------------------------------------------------------------------
{
return dictionaryClass;
}
// End Member Function Dictionary::isA //
// Member Function //
char *Dictionary::nameOf() const
// Summary -----------------------------------------------------------------
//
// Returns a pointer to the character string "Dictionary."
//
// End ---------------------------------------------------------------------
{
return "Dictionary";
}
// End Member Function Dictionary::nameOf //
// Member Function //
Association& Dictionary::lookup( const Object& toLookUp ) const
// Summary -----------------------------------------------------------------
//
// Looks up an object in the dictionary.
//
// Parameters
//
// toLookUp
//
// The object to be searched for in the dictionary.
//
// End ---------------------------------------------------------------------
{
Association toFind( (Object&)toLookUp, NOOBJECT );
// OK to cast to non-const object here, since it doesn't get
// put into a dictionary, but is only used for comparisons.
Association& found = (Association&)findMember( toFind );
return found;
}
// End Member Function Dictionary::lookup //
// Member Function //
void Dictionary::add( Object& objectToAdd )
// Summary -----------------------------------------------------------------
//
// Adds an object of type Association to the dictionary.
//
// Parameters
//
// objectToAdd
//
// The object to be added to the dictionary.
//
// End ---------------------------------------------------------------------
{
if( !objectToAdd.isAssociation() )
{
cerr << "Error: Object must be association type.";
exit( __ENOTASSOC );
}
else
{
Set::add( objectToAdd );
}
}
// End Member Function Dictionary::add //