Exemple #1
0
/*===================================================
 * convert_proplist_to_proparray -- 
 *  Convert a list of property tables to an array of same
 *  Consumes the list (actually removes it at end)
 *  Output array is one larger than list, and last entry is NULL
 * Created: 2002/10/19, Perry Rapp
 *=================================================*/
TABLE *
convert_proplist_to_proparray (LIST list)
{
	TABLE * props;
	INT i;
	props = (TABLE *)malloc((length_list(list)+1)*sizeof(props[0]));
	i = 0;
	FORLIST(list, el)
		props[i++] = (TABLE)el;
	ENDLIST
	props[i] = NULL; /* null marker at end of array */
	destroy_list(list);
	return props;
}
Exemple #2
0
void list_sort (void *list, NODE_COMPARE comp)
{
    int
        jump_size,
        i;
    LIST
        *base,
        *swap,
        *temp;
    Bool
        swapped;

    jump_size = 0;
    FORLIST (base, * (LIST *) list)
        jump_size++;

    swapped = TRUE;
    while ((jump_size > 1) || swapped)
      {
        jump_size = (10 * jump_size + 3) / 13;
        base = ((LIST *) list)-> next;
        swap = base;
        for (i = 0; i < jump_size; i++)
            swap = swap-> next;

        swapped = FALSE;
        while (swap != (LIST *) list)
          {
            if ((*comp) (base, swap))
              {
                temp = base-> prev;
                list_unlink (base);
                list_relink_after (base, swap);
                list_unlink (swap);
                list_relink_after (swap, temp);
                temp = base;
                base = swap;
                swap = temp;
                swapped = TRUE;
              }
            base = base-> next;
            swap = swap-> next;
          }
      }
}
Exemple #3
0
/*=================================================================
 * expand_tree -- Create copy of node tree with additional link info
 *===============================================================*/
static NODE
expand_tree (NODE root0)
{
	NODE copy, node, sub;
	STRING key;
	static NODE root;	/* root of record being edited */
	LIST subs;	/* list of contained records */
	NODE expd;	/* expanded main record - copy - our retval */

	root = root0;
	expd = copy_nodes(root, TRUE, TRUE);
	subs = create_list();
	traverse_nodes(expd, advedit_expand_traverse, subs);

   /* expand the list of records into the copied record */
	FORLIST(subs, el)
		node = (NODE) el;
#ifdef DEBUG
		llwprintf("in list: %s %s\n", ntag(node), nval(node));
#endif
		key = rmvat(nval(node));
		if ((sub = nztop(key_possible_to_record(key, *key)))) {
			copy = copy_node_subtree(sub);
			nxref(node)    = nxref(copy);
			ntag(node)     = ntag(copy);
			nchild(node)   = nchild(copy);
			nparent(node)  = nparent(copy);
/*MEMORY LEAK; MEMORY LEAK; MEMORY LEAK: node not removed (because its
  value and possibly xref [probably not] are still being referred to */
		}
	ENDLIST
	/* Shouldn't we free subs now ? Perry 2001/06/22 */
#ifdef DEBUG
	show_node(expd);
#endif
	return expd;
}
Exemple #4
0
/*=================================================================
 * advedit_expand_traverse -- Traverse routine called when expanding record
 *===============================================================*/
static BOOLEAN
advedit_expand_traverse (NODE node, VPTR param)
{
	LIST subs = (LIST)param;
	STRING key = value_to_xref(nval(node));
	if (!key) return TRUE;
	key = strsave(key);
#ifdef DEBUG
	llwprintf("expand_traverse: %s %s\n", ntag(node), nval(node));
#endif /* DEBUG */
	FORLIST(subs, el)
#ifdef DEBUG
	llwprintf("expand_traverse: %s %s\n", key, rmvat(nval((NODE) el)));
#endif /* DEBUG */
		if (eqstr(key, rmvat(nval((NODE) el)))) {
			STOPLIST
			stdfree(key);
			return TRUE;
		}
	ENDLIST
	enqueue_list(subs, node);
	stdfree(key);
	return TRUE;
}
Exemple #5
0
/*=================================================
 * add_dnodes -- add dnodes to dnode tree
 *  recursively, traversing NODE tree & building corresponding
 *  dnode tree
 * if a line overflows, give it succeeding sibling dnodes
 * also, check for subordinate CONT & CONC dnodes to be assimilated
 *===============================================*/
static DISPNODE
add_dnodes (NODE node, INT gen, INT indent, INT maxgen, INT * count, CANVASDATA canvas)
{
	DISPNODE tn;
	DISPNODE tn0, tn1, tn2;
	NODE child, anode;
	INT width = (canvas->rect->right - canvas->rect->left) - 2 - gen*indent;
	static char line[MAXLINELEN], output[MAXLINELEN]; /* must be same size */
	STRING ptr=output;
	INT leader;
	LIST list=NULL;
	INT mylen=sizeof(output), mylenorig;
	if (mylen>width)
		mylen = width;
	mylenorig = mylen;

	/* build xref & tag into line */
	line[0] = 0;
	ptr = line;
	mylen = sizeof(line);

	if (nxref(node)) {
		llstrcatn(&ptr, nxref(node), &mylen);
		llstrcatn(&ptr, " ", &mylen);
	}
	if (ntag(node)) {
		llstrcatn(&ptr, ntag(node), &mylen);
		llstrcatn(&ptr, " ", &mylen);
	}
	leader = ptr-line;
	width -= leader;
	if (width < 10) {
		/* insufficient space */
		return NULL;
	}

	/* output is available as scratch */

	list = text_to_list("", width, LISTDOFREE);
	if (nval(node)) {
		STRING valtxt = nval(node);
		append_to_text_list(list, valtxt, width, FALSE); 
	}

	/* anode is first child */
	anode = nchild(node);
	/* check for text continuation nodes to assimilate */
	if (nchild(node)) {
		for ( ; anode && !nchild(anode); anode = nsibling(anode)) {
			BOOLEAN newline=FALSE;
			STRING valtxt=NULL;
			if (eqstr(ntag(anode), "CONC")) {
				append_to_text_list(list, " ", width, FALSE);
				newline = FALSE;
			} else if (eqstr(ntag(anode), "CONT")) {
				newline = TRUE;
			} else {
				break;
			}
			valtxt = nval(anode);
			append_to_text_list(list, valtxt, width, newline); 
		}
	}
	/* anode is now first non-assimilated child */
	/*
	now add all list elements to tree as siblings
	first one will be tn, which we return as our result
	tn0 refers to previous one, for the nsibling links
	*/
	tn = tn0 = tn1 = 0;
	FORLIST(list, el)
		tn1 = alloc_displaynode();
		if (!tn) {
			INT i;
			tn = tn1;
			/* ptr & mylen still point after leader */
			llstrcatn(&ptr, el, &mylen);
			/* put original line */
			tn1->str = strsave(line);
			/* now build leader we will keep reusing */
			for (i=0; i<leader; i++)
				line[i] = '.';
			line[leader-1] = ' ';
		} else {
			llstrcatn(&ptr, el, &mylen);
			tn1->str = strsave(line);
		}
		/* now we keep resetting ptr & mylen to after blank leader */
		/* so we keep reusing that leader we built in line earlier */
		ptr=line+leader;
		mylen=mylenorig-leader;
		tn1->firstchild = 0;
		tn1->nextsib = 0;
		if (tn0)
			tn0->nextsib = tn1;
		tn0 = tn1;
		(*count)++;
	ENDLIST
	/* special handling for empty list, which didn't get its leader */
	if (is_empty_list(list)) {
		tn1 = alloc_displaynode();
		tn = tn1;
		tn1->str = strsave(line);
		tn1->firstchild = 0;
		tn1->nextsib = 0;
		tn0 = tn1;
		(*count)++;
	}
	destroy_list(list);
	list=0;

	if (gen < maxgen) {
		/* our children hang off of tn2, which is last node of our
		sibling tree; tn0 is previously added child */
		tn2 = tn1;
		tn0 = 0;
		/* anode was last unassimilated child */
		for (child = anode; child; child = nsibling(child)) {
			tn1 = add_dnodes(child, gen+1, indent, maxgen, count, canvas);
			if (!tn1)
				continue; /* child was skipped */
			/* link new displaynode into tree we're building */
			if (tn0)
				tn0 = tn0->nextsib = tn1;
			else /* first child - first time thru loop */
				tn0 = tn2->firstchild = tn1;
			/* child displaynode might have (overflow or assimilated) siblings */
			while (tn0->nextsib)
				tn0 = tn0->nextsib;
		}
	}
	return tn;
}