/* emit_html_label:
*/
void
emit_html_label(GVJ_t * job, htmllabel_t * lp, textlabel_t * tp)
{
htmlenv_t env;
allocObj (job);
env.pos = tp->pos;
env.finfo.color = tp->fontcolor;
env.finfo.name = tp->fontname;
env.finfo.size = tp->fontsize;
env.finfo.size = tp->fontsize;
env.imgscale = agget (job->obj->u.n, "imagescale");
env.objid = job->obj->id;
env.objid_set = 0;
if ((env.imgscale == NULL) || (env.imgscale[0] == '\0'))
env.imgscale = "false";
if (lp->kind == HTML_TBL) {
htmltbl_t *tbl = lp->u.tbl;
/* set basic graphics context */
/* Need to override line style set by node. */
gvrender_set_style(job, job->gvc->defaultlinestyle);
if (tbl->data.pencolor)
gvrender_set_pencolor(job, tbl->data.pencolor);
else
gvrender_set_pencolor(job, DEFAULT_COLOR);
emit_html_tbl(job, tbl, &env);
} else {
emit_html_txt(job, lp->u.txt, &env);
}
if (env.objid_set)
free (env.objid);
freeObj (job);
}
DbStatus btree1CleanPage(Handle *index, Btree1Set *set, uint32_t totKeyLen) {
Btree1Index *btree1 = btree1index(index->map);
Btree1Slot librarian, *source, *dest;
uint32_t size = btree1->pageSize;
Btree1Page *page = set->page;
uint32_t max = page->cnt;
uint32_t len, cnt, idx;
uint32_t newSlot = max;
Btree1PageType type;
Btree1Page *frame;
uint8_t *key;
DbAddr addr;
librarian.bits = 0;
librarian.type = Btree1_librarian;
librarian.dead = 1;
if( !page->lvl ) {
size <<= btree1->leafXtra;
type = Btree1_leafPage;
} else {
type = Btree1_interior;
}
if( page->min >= (max+1) * sizeof(Btree1Slot) + sizeof(*page) + totKeyLen )
return DB_OK;
// skip cleanup and proceed directly to split
// if there's not enough garbage
// to bother with.
if( page->garbage < size / 5 )
return DB_BTREE_needssplit;
if( (addr.bits = allocObj(index->map, listFree(index, type), NULL, type, size, false)) )
frame = getObj(index->map, addr);
else
return DB_ERROR_outofmemory;
memcpy (frame, page, size);
// skip page info and set rest of page to zero
memset (page+1, 0, size - sizeof(*page));
page->garbage = 0;
page->act = 0;
cnt = 0;
idx = 0;
source = slotptr(frame, cnt);
dest = slotptr(page, idx);
// clean up page first by
// removing deleted keys
while( source++, cnt++ < max ) {
if( cnt == set->slotIdx )
newSlot = idx + 2;
if( source->dead )
continue;
// copy the active key across
key = keyaddr(frame, source->off);
len = keylen(key) + keypre(key);
size -= len;
memcpy ((uint8_t *)page + size, key, len);
// make a librarian slot
if (cnt < max) {
(++dest)->bits = librarian.bits;
++idx;
}
// set up the slot
(++dest)->bits = source->bits;
dest->off = size;
idx++;
page->act++;
}
page->min = size;
page->cnt = idx;
// update insert slot index
// for newly cleaned-up page
set->slotIdx = newSlot;
// return temporary frame
addSlotToFrame(index->map, listFree(index,addr.type), NULL, addr.bits);
// see if page has enough space now, or does it still need splitting?
if( page->min >= (idx+1) * sizeof(Btree1Slot) + sizeof(*page) + totKeyLen )
return DB_OK;
return DB_BTREE_needssplit;
}
