IMPLEMENTATION MODULE NdxTypes;
(*
 *  REPERTOIRE
 *  Release 1.6
 *  By Charles Bradford and Cole Brecheen
 *  (c) Copyright 1985-1992 PMI
 *  Green Bay, Wisconsin
 *  All rights reserved
 *  (414) 468-6040
 *
 *  $Header:   D:/logfiles/mods/ndxtypes.mov   1.5   10 Mar 1991 15:30:48   coleb  $
 *
 *)


IMPORT ErrorNames;
IMPORT GenLists;
IMPORT VStorage;
IMPORT Numbers;

FROM SYSTEM IMPORT TSIZE;


VAR
  Initialized : BOOLEAN;

  PROCEDURE Init();
    BEGIN
      IF Initialized THEN
        RETURN;
      ELSE
        Initialized := TRUE;
      END;
      ErrorNames.Init();
      GenLists.Init();
      Numbers.Init();
      VStorage.Init();
    END Init;

CONST
  InitKey = 46102;
    (*Arbitrary value.*)

  PROCEDURE CheckInit( NdxFile: NdxFileType );
    BEGIN
      IF (NdxFile = NIL) OR
         (NdxFile^.InitCheck # InitKey) THEN
        ErrorNames.WarningName('BadNdx');
      END;
    END CheckInit;

  PROCEDURE InitNdxFile( VAR NdxFile: NdxFileType );
    BEGIN
      VStorage.DosAlloc( NdxFile, TSIZE(NdxRecord) );
      NdxFile^.name := '';
      NdxFile^.handle := 0;
      NdxFile^.SafetyOn := FALSE;
      NdxFile^.InitCheck := InitKey;
      NdxFile^.NdxFilePtr := Numbers.Lc( 0 );
      NdxFile^.UpdateNeeded := FALSE;
      NdxFile^.BufRecName := '';
      GenLists.NilList( NdxFile^.Ndx );
      GenLists.NilList( NdxFile^.AltKeys );
      GenLists.NilList( NdxFile^.ListBuf );
      GenLists.NilList( NdxFile^.StructLst );
      NdxFile^.FileBufPtr := NIL;
      NdxFile^.BufSizeNow := 0;
    END InitNdxFile;

BEGIN
  Initialized := FALSE;
  Init();
END NdxTypes.