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91 lines
2.9 KiB
OpenEdge ABL
91 lines
2.9 KiB
OpenEdge ABL
{
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File: AEHashTable.p
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Contains: xxx put contents here xxx
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Written by: xxx put writers here xxx
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Copyright: © 1990 by Apple Computer, Inc., all rights reserved.
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This file is used in these builds: BigBang
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Change History (most recent first):
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<2> 1/7/91 Lai Fix interface for GetIndexedEntry
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<1> 12/13/90 Lai first checked in
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To Do:
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}
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{*-------------------------------------------------------------------------------*
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| <<< Integrated Environment >>> |
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| Copyright Apple Computer, Inc. 1986, 1987, 1988 |
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| All rights reserved. |
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*-------------------------------------------------------------------------------*}
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UNIT AEHashTable;
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INTERFACE
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Uses
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Types;
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CONST
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{ error numbers }
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ErrAlreadyExists = -1722; { fix this constant }
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ErrNotFound = -1723; { fix this constant }
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ErrEndOfTable = -1724; { fix this constant }
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TYPE
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HHand = Handle;
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HEntryPtr = Ptr;
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KeyPtr = Ptr;
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HashProc = ProcPtr;
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MemProcs = ^MemProcBlock;
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MemProcBlock = RECORD
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DerefProc: ProcPtr;
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NewProc: ProcPtr;
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GrowProc: ProcPtr;
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DisposeProc: ProcPtr;
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END;
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HashInfo = RECORD
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usedEntries: LONGINT;
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collidedEntries: LONGINT;
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totalEntries: LONGINT;
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tableSize: LONGINT;
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END;
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Function NewHashTable(NumEntries:LONGINT; KeySize, ValueSize:INTEGER;
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MemHooks:MemProcs; SysHeap:Boolean; VAR Table:HHand): OSErr;
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Function DisposeHashTable(VAR Hash:HHand; MemHooks:MemProcs): OSErr;
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Function AddKeyEntry(Hash:HHand; MemHooks:MemProcs; Key:KeyPtr; Value:HEntryPtr): OSErr;
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Function ReplaceEntry(Hash:HHand; MemHooks:MemProcs; Key:KeyPtr; Value:HEntryPtr):OSErr;
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Function RemoveKeyEntry(Hash:HHand; MemHooks:MemProcs; Key:KeyPtr): OSErr;
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Function GetKeyValue(Hash:HHand; MemHooks:MemProcs; Key:KeyPtr; Value:HEntryPtr): OSErr;
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Function CheckKey(Hash:HHand; MemHooks:MemProcs; Key:KeyPtr): boolean;
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Function GetIndexedEntry(Hash:HHand; MemHooks:MemProcs; Index:LONGINT; Key:KeyPtr): OSErr;
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IMPLEMENTATION
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Function NewHashTable(NumEntries:LONGINT; KeySize, ValueSize:INTEGER;
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MemHooks:MemProcs; SysHeap:Boolean; VAR Table:HHand): OSErr; EXTERNAL;
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Function DisposeHashTable(VAR Hash:HHand; MemHooks:MemProcs): OSErr; EXTERNAL;
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Function AddKeyEntry(Hash:HHand; MemHooks:MemProcs; Key:KeyPtr; Value:HEntryPtr): OSErr; EXTERNAL;
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Function ReplaceEntry(Hash:HHand; MemHooks:MemProcs; Key:KeyPtr; Value:HEntryPtr):OSErr; EXTERNAL;
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Function RemoveKeyEntry(Hash:HHand; MemHooks:MemProcs; Key:KeyPtr): OSErr; EXTERNAL;
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Function GetKeyValue(Hash:HHand; MemHooks:MemProcs; Key:KeyPtr; Value:HEntryPtr): OSErr; EXTERNAL;
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Function CheckKey(Hash:HHand; MemHooks:MemProcs; Key:KeyPtr): boolean; EXTERNAL;
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Function GetIndexedEntry(Hash:HHand; MemHooks:MemProcs; Index:LONGINT; Key:KeyPtr): OSErr; EXTERNAL;
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END.
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