#include <stdlib.h>
#include <stdio.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "wv.h"

void
wvGetATRD (ATRD * item, wvStream * fd)
{
    int i;
    for (i = 0; i < 10; i++)
	item->xstUsrInitl[i] = read_16ubit (fd);
    item->ibst = (S16) read_16ubit (fd);
    item->ak = read_16ubit (fd);
    item->grfbmc = read_16ubit (fd);
    item->lTagBkmk = (S32) read_32ubit (fd);
}

int
wvGetATRD_PLCF (ATRD ** atrd, U32 ** pos, U32 * noatrd, U32 offset, U32 len,
		wvStream * fd)
{
    U32 i;
    if (len == 0)
      {
	  *atrd = NULL;
	  *pos = NULL;
	  *noatrd = 0;
      }
    else
      {
	  *noatrd = (len - 4) / (cbATRD + 4);
	  *pos = (U32 *) wvMalloc ((*noatrd + 1) * sizeof (U32));
	  if (*pos == NULL)
	    {
		wvError (
			 ("NO MEM 1, failed to alloc %d bytes\n",
			  (*noatrd + 1) * sizeof (U32)));
		return (1);
	    }

	  *atrd = (ATRD *) wvMalloc ((*noatrd + 1) * sizeof (ATRD));
	  if (*atrd == NULL)
	    {
		wvError (
			 ("NO MEM 1, failed to alloc %d bytes\n",
			  *noatrd * sizeof (ATRD)));
		wvFree (pos);
		return (1);
	    }
	  wvStream_goto (fd, offset);
	  for (i = 0; i < *noatrd + 1; i++)
	      (*pos)[i] = read_32ubit (fd);
	  for (i = 0; i < *noatrd; i++)
	      wvGetATRD (&((*atrd)[i]), fd);
      }
    return (0);
}

ATRD *
wvGetCommentBounds (U32 * comment_cpFirst, U32 * comment_cpLim, U32 currentcp,
		    ATRD * atrd, U32 * pos, U32 noatrd, STTBF * bookmarks,
		    BKF * bkf, U32 * posBKF, U32 bkf_intervals, BKL * bkl,
		    U32 * posBKL, U32 bkl_intervals)
{
    U32 i, j;
    S32 id;

    for (i = 0; i < noatrd; i++)
      {
	  if (pos[i] > currentcp)
	    {
		/*
		   when not -1, this tag identifies the annotation bookmark that locates the
		   range of CPs in the main document which this annotation references.
		 */
		if (atrd[i].lTagBkmk != -1)
		  {
		      for (j = 0; j < bookmarks->nostrings; j++)
			{
			    id =
				(S32) sread_32ubit (bookmarks->extradata[j] +
						    2);
			    if (id == atrd[i].lTagBkmk)
			      {
				  wvTrace (("bingo, index is %d!!\n", j));
				  *comment_cpFirst = posBKF[i];
				  *comment_cpLim = posBKL[bkf[i].ibkl];
				  wvTrace (
					   ("begin end are %d %d\n",
					    *comment_cpFirst, *comment_cpLim));
				  return (&(atrd[i]));
			      }
			}
		  }

		/* in case we find nothing, at least we won't blow up, we create a
		   point comment */
		*comment_cpFirst = pos[i];
		*comment_cpLim = pos[i] + 1;
		return (&(atrd[i]));
	    }
      }

    *comment_cpLim = 0xfffffffeL;
    return (NULL);
}