-- File:	IGESSelect_AddFileComment.cdl
-- Created:	Fri Aug 26 11:33:48 1994
-- Author:	Christian CAILLET
--		<cky@minox>
---Copyright:	 Matra Datavision 1994


class AddFileComment  from IGESSelect  inherits FileModifier  from IGESSelect

    ---Purpose : This class allows to add comment lines on writing an IGES File
    --           These lines are added to Start Section, instead of the only
    --           one blank line written by default.

uses CString, AsciiString from TCollection,
     HSequenceOfHAsciiString from TColStd,
     IGESWriter ,  ContextWrite

is

    Create returns mutable AddFileComment;
    ---Purpose : Creates a new emoty AddFileComment. Use AddLine to complete it

    Clear (me : mutable);
    ---Purpose : Clears the list of file comment lines already stored

    AddLine  (me : mutable; line : CString);
    ---Purpose : Adds a line for file comment
    --  Remark : Lines are limited to 72 useful char.s . A line of more than
    --           72 char.s will be splited into several ones of 72 max each.

    AddLines (me : mutable; lines : HSequenceOfHAsciiString from TColStd);
    ---Purpose : Adds a list of lines for file comment
    --           Each of them must comply with demand of AddLine

    NbLines (me) returns Integer;
    ---Purpose : Returns the count of stored lines

    Line (me; num : Integer) returns CString;
    ---Purpose : Returns a stored line given its rank

    Lines (me) returns HSequenceOfHAsciiString from TColStd;
    ---Purpose : Returns the complete list of lines in once

    Perform (me; ctx : in out ContextWrite;
    	     writer : in out IGESWriter);
    ---Purpose : Sends the comment lines to the file (Start Section)

    Label (me) returns AsciiString from TCollection;
    ---Purpose : Returns specific Label, which is
    --           "Add <nn> Comment Lines (Start Section)"

fields

    thelist : HSequenceOfHAsciiString from TColStd;

end AddFileComment;