DEFINITION MODULE AltKeys;
(*
 *  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/defs/altkeys.dev   1.4   30 Dec 1990 17:58:36   coleb  $
 *
 *)

FROM SYSTEM IMPORT ADDRESS;
FROM NdxTypes IMPORT NdxFileType;
FROM GenLists IMPORT GenList;

CONST
  RecNameCode = 65530;
  CriterionCode = 65531;
  AltKeyCode = 65532;

TYPE
  LogicOperator = (or, and, AndNot);

  SelectProc = PROCEDURE(ADDRESS, CARDINAL,
      CARDINAL, ARRAY OF CHAR, VAR BOOLEAN):
      BOOLEAN;

  Criterion = RECORD
    operator: LogicOperator;
    rule, field: ARRAY [0..127] OF CHAR;
    determiner: SelectProc;
  END;

  PROCEDURE LoadAltList( VAR NdxFile: NdxFileType;
      InList: GenList; FieldName: ARRAY OF CHAR;
      Criteria: GenList): BOOLEAN;

  PROCEDURE FieldLoaded( NdxFile: NdxFileType;
      FieldName: ARRAY OF CHAR; VAR spot:
      CARDINAL): BOOLEAN;

  PROCEDURE CreateAltList( VAR NdxFile:
      NdxFileType; FieldName: ARRAY OF CHAR; VAR
      SpotUsed: CARDINAL);

  PROCEDURE CriteriaMet( NdxFile: NdxFileType;
      Criteria: GenList; VAR CriteriaValid:
      BOOLEAN ): BOOLEAN;

  PROCEDURE DisposeAltList( VAR NdxFile:
      NdxFileType; FieldName: ARRAY OF CHAR);

  PROCEDURE TallyAltLists(NdxFile: NdxFileType;
      VAR TheList: GenList);

  PROCEDURE GetAltList( NdxFile: NdxFileType;
      FieldName: ARRAY OF CHAR; VAR AltList:
      GenList): BOOLEAN;

  PROCEDURE GetMatchingKey( NdxFile: NdxFileType;
      AltList: GenList; spot: CARDINAL; VAR
      RecName: ARRAY OF CHAR );

  PROCEDURE GetMatchingKeys( NdxFile: NdxFileType;
      AltList: GenList; VAR KeyList: GenList):
      BOOLEAN;

  PROCEDURE StrSelector( TheAdr: ADDRESS; TheSize,
      TypeCode: CARDINAL; TheRule: ARRAY OF CHAR;
      VAR CriteriaValid: BOOLEAN ): BOOLEAN;

  PROCEDURE AddCriteria( CriteriaList: GenList;
      op: LogicOperator; TheSelectProc:
      SelectProc; TheRule, FieldName: ARRAY OF
      CHAR );

  PROCEDURE Init();

END AltKeys.