File: atrd.c

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#include <stdlib.h>
#include <stdio.h>
#include "wv.h"

void wvGetATRD(ATRD *item,FILE *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,FILE *fd)
	{
	U32 i;
	if (len == 0)
		{
		*atrd = NULL;
		*pos = NULL;
		*noatrd = 0;
		}
	else
        {
        *noatrd=(len-4)/(cbATRD+4);
        *pos = (U32 *) malloc( (*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 *) malloc(*noatrd * sizeof(ATRD));
        if (*atrd == NULL)
            {
            wvError(("NO MEM 1, failed to alloc %d bytes\n",*noatrd * sizeof(ATRD)));
			free(pos);
            return(1);
            }
        fseek(fd,offset,SEEK_SET);
        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);
	}