bool
SpanningCellSorter::AddCell(int32_t aColSpan, int32_t aRow, int32_t aCol)
{
NS_ASSERTION(mState == ADDING, "cannot call AddCell after GetNext");
NS_ASSERTION(aColSpan >= ARRAY_BASE, "cannot add cells with colspan<2");
Item *i = (Item*) mozilla::AutoStackArena::Allocate(sizeof(Item));
NS_ENSURE_TRUE(i != nullptr, false);
i->row = aRow;
i->col = aCol;
if (UseArrayForSpan(aColSpan)) {
int32_t index = SpanToIndex(aColSpan);
i->next = mArray[index];
mArray[index] = i;
} else {
HashTableEntry *entry = static_cast<HashTableEntry*>
(PL_DHashTableAdd(&mHashTable, NS_INT32_TO_PTR(aColSpan),
fallible));
NS_ENSURE_TRUE(entry, false);
NS_ASSERTION(entry->mColSpan == 0 || entry->mColSpan == aColSpan,
"wrong entry");
NS_ASSERTION((entry->mColSpan == 0) == (entry->mItems == nullptr),
"entry should be either new or properly initialized");
entry->mColSpan = aColSpan;
i->next = entry->mItems;
entry->mItems = i;
}
return true;
}
bool
SpanningCellSorter::AddCell(PRInt32 aColSpan, PRInt32 aRow, PRInt32 aCol)
{
NS_ASSERTION(mState == ADDING, "cannot call AddCell after GetNext");
NS_ASSERTION(aColSpan >= ARRAY_BASE, "cannot add cells with colspan<2");
Item *i = (Item*) mozilla::AutoStackArena::Allocate(sizeof(Item));
NS_ENSURE_TRUE(i != nsnull, false);
i->row = aRow;
i->col = aCol;
if (UseArrayForSpan(aColSpan)) {
PRInt32 index = SpanToIndex(aColSpan);
i->next = mArray[index];
mArray[index] = i;
} else {
if (!mHashTable.entryCount &&
!PL_DHashTableInit(&mHashTable, &HashTableOps, nsnull,
sizeof(HashTableEntry), PL_DHASH_MIN_SIZE)) {
NS_NOTREACHED("table init failed");
mHashTable.entryCount = 0;
return false;
}
HashTableEntry *entry = static_cast<HashTableEntry*>
(PL_DHashTableOperate(&mHashTable, NS_INT32_TO_PTR(aColSpan),
PL_DHASH_ADD));
NS_ENSURE_TRUE(entry, false);
NS_ASSERTION(entry->mColSpan == 0 || entry->mColSpan == aColSpan,
"wrong entry");
NS_ASSERTION((entry->mColSpan == 0) == (entry->mItems == nsnull),
"entry should be either new or properly initialized");
entry->mColSpan = aColSpan;
i->next = entry->mItems;
entry->mItems = i;
}
return true;
}