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-- File: IFSelect_ContextWrite.cdl
-- Created: Fri Jan 26 13:20:13 1996
-- Author: Christian CAILLET
-- <cky@fidox>
---Copyright: Matra Datavision 1996
class ContextWrite from IFSelect
---Purpose : This class gathers various informations used by File Modifiers
-- apart from the writer object, which is specific of the norm
-- and of the physical format
--
-- These informations are controlled by an object AppliedModifiers
-- (if it is not defined, no modification is allowed on writing)
--
-- Furthermore, in return, ContextModif can record Checks, either
-- one for all, or one for each Entity. It supports trace too.
uses Transient, CString, AsciiString from TCollection,
InterfaceModel, EntityIterator, Graph, HGraph,
Protocol from Interface, Check, CheckIterator, GeneralModifier,
AppliedModifiers
raises NoSuchObject
is
Create (model : InterfaceModel; proto : Protocol;
applieds : mutable AppliedModifiers; filename : CString)
returns ContextWrite;
---Purpose : Prepares a ContextWrite with these informations :
-- - the model which is to be written
-- - the protocol to be used
-- - the filename
-- - an object AppliedModifiers to work. It gives a list of
-- FileModifiers to be ran, and for each one it can give
-- a restricted list of entities (in the model), else all
-- the model is considered
Create (hgraph : HGraph; proto : Protocol;
applieds : mutable AppliedModifiers; filename : CString)
returns ContextWrite;
---Purpose : Same as above but with an already computed Graph
Model (me) returns InterfaceModel;
---Purpose : Returns the Model
Protocol (me) returns Protocol;
---Purpose : Returns the Protocol;
FileName (me) returns CString;
---Purpose : Returns the File Name
AppliedModifiers (me) returns mutable AppliedModifiers;
---Purpose : Returns the object AppliedModifiers
Graph (me : in out) returns Graph;
---Purpose : Returns the Graph, either given when created, else created
-- the first time it is queried
---C++ : return const &
-- -- Control when running -- --
NbModifiers (me) returns Integer;
---Purpose : Returns the count of recorded File Modifiers
SetModifier (me : in out; numod : Integer) returns Boolean;
---Purpose : Sets active the File Modifier n0 <numod>
-- Then, it prepares the list of entities to consider, if any
-- Returns False if <numod> out of range
FileModifier (me) returns mutable GeneralModifier;
---Purpose : Returns the currently active File Modifier. Cast to be done
-- Null if not properly set : must be test IsNull after casting
IsForNone (me) returns Boolean;
---Purpose : Returns True if no modifier is currently set
IsForAll (me) returns Boolean;
---Purpose : Returns True if the current modifier is to be applied to
-- the whole model. Else, a restricted list of selected entities
-- is defined, it can be exploited by the File Modifier
NbEntities (me) returns Integer;
---Purpose : Returns the total count of selected entities
Start (me : in out);
---Purpose : Starts an iteration on selected items. It takes into account
-- IsForAll/IsForNone, by really iterating on all selected items.
More (me) returns Boolean;
---Purpose : Returns True until the iteration has finished
Next (me : in out);
---Purpose : Advances the iteration
Value (me) returns Transient raises NoSuchObject;
---Purpose : Returns the current selected entity in the model
-- -- Trace and Check -- --
AddCheck (me : in out; check : Check) is static;
---Purpose : Adds a Check to the CheckList. If it is empty, nothing is done
-- If it concerns an Entity from the Model (by SetEntity)
-- to which another Check is attached, it is merged to it.
-- Else, it is added or merged as to GlobalCheck.
AddWarning (me : in out; start : Transient; mess : CString; orig : CString = "");
---Purpose : Adds a Warning Message for an Entity from the Model
-- If <start> is not an Entity from the model (e.g. the
-- model itself) this message is added to Global Check.
AddFail (me : in out; start : Transient; mess : CString; orig : CString = "");
---Purpose : Adds a Fail Message for an Entity from the Model
-- If <start> is not an Entity from the model (e.g. the
-- model itself) this message is added to Global Check.
CCheck (me : in out; num : Integer = 0) returns Check;
---Purpose : Returns a Check given an Entity number (in the Model)
-- by default a Global Check. Creates it the first time.
-- It can then be acknowledged on the spot, in condition that the
-- caller works by reference ("Interface_Check& check = ...")
CCheck (me : in out; start : Transient) returns Check;
---Purpose : Returns a Check attached to an Entity from the Model
-- It can then be acknowledged on the spot, in condition that the
-- caller works by reference ("Interface_Check& check = ...")
CheckList (me) returns CheckIterator is static;
---Purpose : Returns the complete CheckList
fields
themodel : InterfaceModel;
theproto : Protocol;
thefile : AsciiString;
theapply : AppliedModifiers;
thehgraf : HGraph;
thecheck : CheckIterator;
thenumod : Integer;
thenbent : Integer;
thecurr : Integer;
themodif : GeneralModifier;
end ContextWrite;
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