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197 lines
6.5 KiB
Plaintext
Executable File
197 lines
6.5 KiB
Plaintext
Executable File
-- Created on: 1993-03-02
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-- Created by: Remi LEQUETTE
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-- Copyright (c) 1993-1999 Matra Datavision
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-- Copyright (c) 1999-2012 OPEN CASCADE SAS
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--
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-- The content of this file is subject to the Open CASCADE Technology Public
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-- License Version 6.5 (the "License"). You may not use the content of this file
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-- except in compliance with the License. Please obtain a copy of the License
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-- at http://www.opencascade.org and read it completely before using this file.
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--
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-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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--
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-- The Original Code and all software distributed under the License is
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-- distributed on an "AS IS" basis, without warranty of any kind, and the
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-- Initial Developer hereby disclaims all such warranties, including without
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-- limitation, any warranties of merchantability, fitness for a particular
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-- purpose or non-infringement. Please see the License for the specific terms
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-- and conditions governing the rights and limitations under the License.
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generic class Set from TCollection (Item as any)
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---Purpose: A set is an unordered collection of items without
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-- duplications. To test for duplications the operators == and !=
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-- are used on the items.
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-- Use a SetIterator to explore a Set.
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-- Warning
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-- A set generates the same result as a map. A map is
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-- more effective; therefore it is advisable to use maps instead of sets.
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-- Set is a generic class which consists of Items, types of elements in a set.
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raises
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NoSuchObject from Standard
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private class SetList instantiates List from TCollection(Item);
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class SetIterator from TCollection
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---Purpose: Functions used for iterating the contents of a Set.
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-- Note: an iterator class is automatically instantiated from
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-- this generic class at the time of instantiation of a Set.
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-- Warning
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-- - A set is a non-ordered data structure. The order in
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-- which entries of a set are explored by the iterator
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-- depends on its contents, and changes when the set is edited.
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-- - It is not recommended to modify the contents of a set
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-- during iteration: the result is unpredictable.
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raises NoSuchObject from Standard
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is
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Create returns SetIterator from TCollection;
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---Purpose: Creates an empty iterator for a Set;
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-- use the function Initialize to define the set to explore;.
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Create(S : Set from TCollection) returns SetIterator from TCollection;
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---Purpose: Creates an iterator on the set <S>.
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Initialize(me : in out; S : Set from TCollection)
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---Purpose: Sets or resets the iterator on the set <S>.
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is static;
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More(me) returns Boolean from Standard
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---Purpose: Returns True if there are other items.
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---C++: inline
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is static;
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Next(me: in out)
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---Purpose: Positions the iterator to the next item.
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---C++: inline
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is static;
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Value(me) returns any Item
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raises NoSuchObject from Standard
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---Purpose: Returns the item value corresponding to the
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-- current position of the iterator.
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---C++: return const &
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---C++: inline
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is static;
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fields
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myIterator : ListIteratorOfSetList;
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end SetIterator from TCollection;
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is
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Create returns Set from TCollection;
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---Purpose: Creation of an empty set.
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Create(Other : Set from TCollection)
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returns Set from TCollection
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is private;
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---Purpose: Creates by copying an existing Set.
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-- Warning: Prints a message when other is not empty. It is
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-- recommanded to use Assign (operator =).
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Extent(me) returns Integer from Standard
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---Level: Public
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---Purpose: Returns the number of items in the set.
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---C++: inline
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is static;
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IsEmpty(me) returns Boolean from Standard
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---Level: Public
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---Purpose: Returns True if the set is empty. i.e.
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-- Extent() == 0.
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---C++: inline
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is static;
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Clear(me : in out)
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---Level: Public
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---Purpose: Removes all items from the set.
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---C++: inline
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is static;
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Add(me : in out; T : Item) returns Boolean from Standard
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---Level: Public
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---Purpose: Adds the item <T> in the set if it does not
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-- already exist.Returns False if the item T already exists.
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-- Example:
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-- before
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-- me = {a,b,c,d}, T = y
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-- after
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-- me = {a,b,c,d,y} returns True
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is static;
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Remove(me : in out; T : Item) returns Boolean from Standard
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---Level: Public
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---Purpose: Removes the item <T> from the set. Returns True if
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-- the item was in the set.
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-- Example:
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-- before
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-- me = {a,b,c,d}, T = a
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-- after
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-- me = {b,c,d} returns True
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is static;
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Union(me : in out; B : Set from TCollection)
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---Level: Public
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---Purpose: Add to <me> all the items of the set <B>
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-- which are not in <me>.
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-- Example:
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-- before
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-- me = {a,b,c}, B = {d,a,f}
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-- after
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-- me = {a,b,c,d,f}, B = {d,a,f}
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is static;
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Intersection(me : in out; B : Set from TCollection)
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---Level: Public
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---Purpose: Removes from <me> all the items which are not in <B>.
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-- Example:
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-- before
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-- me = {a,b,c}, B = {d,a,f}
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-- after
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-- me = {a}, B = {d,a,f}
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is static;
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Difference(me : in out; B: Set from TCollection)
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---Level: Public
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---Purpose: Removes from <me> all the items which are in <B>.
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-- Example:
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-- before
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-- me = {a,b,c}, B = {d,a,f}
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-- after
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-- me = {b,c}, B = {d,a,f}
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is static;
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Contains(me; T : Item) returns Boolean from Standard
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---Level: Public
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---Purpose: Returns True if the item <T> is in the set.
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is static;
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IsASubset(me; S : Set from TCollection) returns Boolean from Standard
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---Level: Public
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---Purpose: returns True if <S> is a subset of <me>. i.e. all
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-- elements of <S> are in <me>.
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is static;
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IsAProperSubset(me; S : Set from TCollection)
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returns Boolean from Standard
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---Level: Public
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---Purpose: returns True if <S> is strictly contained in <me>.
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-- i.e <S> is a subset and its extent is not equal to
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-- the extent of <me>.
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is static;
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fields
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myItems : SetList;
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friends
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class SetIterator from TCollection
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end Set from TCollection;
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