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-- File: StepData_Simple.cdl
-- Created: Fri May 9 16:17:26 1997
-- Author: Christian CAILLET
-- <cky@heliox.paris1.matra-dtv.fr>
---Copyright: Matra Datavision 1997
class Simple from StepData inherits Described from StepData
---Purpose : A Simple Entity is defined by a type (which can heve super
-- types) and a list of parameters
uses CString,
Check from Interface, EntityIterator from Interface,
ESDescr from StepData,
Field from StepData, FieldListN from StepData
raises InterfaceMismatch
is
Create (descr : ESDescr) returns mutable Simple;
---Purpose : Creates a Simple Entity
ESDescr (me) returns ESDescr;
---Purpose : Returns description, as for simple
StepType (me) returns CString;
---Purpose : Returns the recorded StepType (TypeName of its ESDescr)
-- inherited
IsComplex (me) returns Boolean;
---Purpose : Returns False
Matches (me; steptype : CString) returns Boolean;
---Purpose : Tells if a step type is matched by <me>
-- For a Simple Entity : own type or super type
-- For a Complex Entity : one of the members
As (me; steptype : CString) returns mutable Simple;
---Purpose : Returns a Simple Entity which matches with a Type in <me> :
-- For a Simple Entity : me if it matches, else a null handle
-- For a Complex Entity : the member which matches, else null
HasField (me; name : CString) returns Boolean;
---Purpose : Tells if a Field brings a given name
Field (me; name : CString) returns Field
---Purpose : Returns a Field from its name; read-only
raises InterfaceMismatch;
-- raises if no Field for <name>
---C++ : return const &
CField (me : mutable; name : CString) returns Field
---Purpose : Returns a Field from its name; read or write
raises InterfaceMismatch;
-- raises if no Field for <name>
---C++ : return &
-- more specific
NbFields (me) returns Integer;
---Purpose : Returns the count of fields
FieldNum (me; num : Integer) returns Field;
---Purpose : Returns a field from its rank, for read-only use
---C++ : return const &
CFieldNum (me : mutable; num : Integer) returns Field;
---Purpose : Returns a field from its rank, in order to modify it
---C++ : return &
Fields (me) returns FieldListN;
---Purpose : Returns the entire field list, read-only
---C++ : return const &
CFields (me : mutable) returns FieldListN;
---Purpose : Returns the entire field list, read or write
---C++ : return &
--
Check (me; ach : in out Check from Interface);
---Purpose : Fills a Check by using its Description
Shared (me; list : in out EntityIterator from Interface);
---Purpose : Fills an EntityIterator with entities shared by <me>
fields
thefields : FieldListN;
end Simple;
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