rom/utility/maptags.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6     Lang: english
   7 */
   8 #include "intern.h"
   9
  10 /*****************************************************************************
  11
  12     NAME */
  13 #include <utility/tagitem.h>
  14 #include <proto/utility.h>
  15
  16         AROS_LH3(void, MapTags,
  17
  18 /*  SYNOPSIS */
  19         AROS_LHA(struct TagItem *, tagList, A0),
  20         AROS_LHA(struct TagItem *, mapList, A1),
  21         AROS_LHA(ULONG           , mapType, D0),
  22
  23 /*  LOCATION */
  24         struct Library *, UtilityBase, 10, Utility)
  25
  26 /*  FUNCTION
  27         Replace the ti_Tags in tagList which match the ti_Tags in mapList
  28         by the ti_Data values of mapList.
  29
  30     INPUTS
  31         tagList - This list is modified
  32         mapList - This defines which ti_Tag is replaced with what new value.
  33
  34     RESULT
  35         None.
  36
  37     NOTES
  38
  39     EXAMPLE
  40
  41     BUGS
  42
  43     SEE ALSO
  44
  45     INTERNALS
  46
  47     HISTORY
  48         29-10-95    digulla automatically created from
  49                             utility_lib.fd and clib/utility_protos.h
  50
  51 *****************************************************************************/
  52 {
  53     AROS_LIBFUNC_INIT
  54     AROS_LIBBASE_EXT_DECL(struct Library *,UtilityBase)
  55     struct TagItem * tag, * map;
  56
  57     while ((tag = NextTagItem ((const struct TagItem **)&tagList)))
  58     {
  59         if (mapList && (map = FindTagItem (tag->ti_Tag, mapList)))
  60         {
  61             if (map->ti_Data == TAG_DONE)
  62                 tag->ti_Tag = TAG_IGNORE;
  63             else
  64                 tag->ti_Tag = (ULONG)map->ti_Data;
  65         }
  66         else if (mapType == MAP_REMOVE_NOT_FOUND)
  67             tag->ti_Tag = TAG_IGNORE;
  68
  69     }
  70
  71     AROS_LIBFUNC_EXIT
  72 } /* MapTags */