/*public non-poly*/
morkArray::morkArray(morkEnv* ev, const morkUsage& inUsage,
nsIMdbHeap* ioHeap, mork_size inSize, nsIMdbHeap* ioSlotHeap)
: morkNode(ev, inUsage, ioHeap)
, mArray_Slots( 0 )
, mArray_Heap( 0 )
, mArray_Fill( 0 )
, mArray_Size( 0 )
, mArray_Seed( (mork_u4)NS_PTR_TO_INT32(this) ) // "random" integer assignment
{
if ( ev->Good() )
{
if ( ioSlotHeap )
{
nsIMdbHeap_SlotStrongHeap(ioSlotHeap, ev, &mArray_Heap);
if ( ev->Good() )
{
if ( inSize < 3 )
inSize = 3;
mdb_size byteSize = inSize * sizeof(void*);
void** block = 0;
ioSlotHeap->Alloc(ev->AsMdbEnv(), byteSize, (void**) &block);
if ( block && ev->Good() )
{
mArray_Slots = block;
mArray_Size = inSize;
MORK_MEMSET(mArray_Slots, 0, byteSize);
if ( ev->Good() )
mNode_Derived = morkDerived_kArray;
}
}
}
else
ev->NilPointerError();
}
}
void morkMap::InitMap(morkEnv* ev, mork_size inSlots)
{
if ( ev->Good() )
{
morkHashArrays old;
// MORK_MEMCPY(&mMap_Form, &inForm, sizeof(morkMapForm));
if ( inSlots < 3 ) /* requested capacity absurdly small? */
inSlots = 3; /* bump it up to a minimum practical level */
else if ( inSlots > (128 * 1024) ) /* requested slots absurdly big? */
inSlots = (128 * 1024); /* decrease it to a maximum practical level */
if ( this->new_arrays(ev, &old, inSlots) )
mMap_Tag = morkMap_kTag;
MORK_MEMSET(&old, 0, sizeof(morkHashArrays)); // do NOT finalize
}
}
// alloc and free individual instances of rows:
morkRow* morkPool::NewRow(morkEnv* ev,
morkZone* ioZone) // allocate a new row instance
{
morkRow* newRow = 0;
#ifdef morkZone_CONFIG_ARENA
// a zone 'chip' remembers no size, and so cannot be deallocated:
newRow = (morkRow*)ioZone->ZoneNewChip(ev, sizeof(morkRow));
#else /*morkZone_CONFIG_ARENA*/
MORK_USED_1(ioZone);
mPool_Heap->Alloc(ev->AsMdbEnv(), sizeof(morkRow), (void**)&newRow);
#endif /*morkZone_CONFIG_ARENA*/
if (newRow) MORK_MEMSET(newRow, 0, sizeof(morkRow));
return newRow;
}
void*
morkMap::clear_alloc(morkEnv* ev, mork_size inSize)
{
void* p = 0;
nsIMdbHeap* heap = mMap_Heap;
if ( heap )
{
if ( heap->Alloc(ev->AsMdbEnv(), inSize, (void**) &p) == 0 && p )
{
MORK_MEMSET(p, 0, inSize);
return p;
}
}
else
ev->NilPointerError();
return (void*) 0;
}
// alloc and free entire vectors of cells (not just one cell at a time)
morkCell* morkPool::NewCells(morkEnv* ev, mork_size inSize, morkZone* ioZone) {
morkCell* newCells = 0;
mork_size size = inSize * sizeof(morkCell);
if (size) {
#ifdef morkZone_CONFIG_ARENA
// a zone 'run' knows its size, and can indeed be deallocated:
newCells = (morkCell*)ioZone->ZoneNewRun(ev, size);
#else /*morkZone_CONFIG_ARENA*/
MORK_USED_1(ioZone);
mPool_Heap->Alloc(ev->AsMdbEnv(), size, (void**)&newCells);
#endif /*morkZone_CONFIG_ARENA*/
}
// note morkAtom depends on having nil stored in all new mCell_Atom slots:
if (newCells) MORK_MEMSET(newCells, 0, size);
return newCells;
}
void
morkArray::CutAllSlots(morkEnv* ev)
{
if ( mArray_Slots )
{
if ( mArray_Fill <= mArray_Size )
{
mdb_size oldByteSize = mArray_Fill * sizeof(void*);
MORK_MEMSET(mArray_Slots, 0, oldByteSize);
}
else
this->FillBeyondSizeError(ev);
}
else
this->NilSlotsAddressError(ev);
++mArray_Seed;
mArray_Fill = 0;
}
/*public non-poly*/ void
morkMap::CloseMap(morkEnv* ev) // called by CloseMorkNode();
{
if ( this )
{
if ( this->IsNode() )
{
nsIMdbHeap* heap = mMap_Heap;
if ( heap ) /* need to free the arrays? */
{
nsIMdbEnv* menv = ev->AsMdbEnv();
if ( mMap_Keys )
heap->Free(menv, mMap_Keys);
if ( mMap_Vals )
heap->Free(menv, mMap_Vals);
if ( mMap_Assocs )
heap->Free(menv, mMap_Assocs);
if ( mMap_Buckets )
heap->Free(menv, mMap_Buckets);
if ( mMap_Changes )
heap->Free(menv, mMap_Changes);
}
mMap_Keys = 0;
mMap_Vals = 0;
mMap_Buckets = 0;
mMap_Assocs = 0;
mMap_Changes = 0;
mMap_FreeList = 0;
MORK_MEMSET(&mMap_Form, 0, sizeof(morkMapForm));
this->MarkShut();
}
else
this->NonNodeError(ev);
}
else
ev->NilPointerError();
}
void
morkMap::clear_map(morkEnv* ev, nsIMdbHeap* ioSlotHeap)
{
mMap_Tag = 0;
mMap_Seed = 0;
mMap_Slots = 0;
mMap_Fill = 0;
mMap_Keys = 0;
mMap_Vals = 0;
mMap_Assocs = 0;
mMap_Changes = 0;
mMap_Buckets = 0;
mMap_FreeList = 0;
MORK_MEMSET(&mMap_Form, 0, sizeof(morkMapForm));
mMap_Heap = 0;
if ( ioSlotHeap )
{
nsIMdbHeap_SlotStrongHeap(ioSlotHeap, ev, &mMap_Heap);
}
else
ev->NilPointerError();
}
mork_bool
morkMap::new_arrays(morkEnv* ev, morkHashArrays* old, mork_num inSlots)
{
mork_bool outNew = morkBool_kFalse;
/* see if we can allocate all the new arrays before we go any further: */
morkAssoc** newBuckets = this->new_buckets(ev, inSlots);
morkAssoc* newAssocs = this->new_assocs(ev, inSlots);
mork_u1* newKeys = this->new_keys(ev, inSlots);
mork_u1* newValues = this->new_values(ev, inSlots);
mork_change* newChanges = this->new_changes(ev, inSlots);
/* it is okay for newChanges to be null when changes are not held: */
mork_bool okayChanges = ( newChanges || !this->FormHoldChanges() );
/* it is okay for newValues to be null when values are zero sized: */
mork_bool okayValues = ( newValues || !this->FormValSize() );
if ( newBuckets && newAssocs && newKeys && okayChanges && okayValues )
{
outNew = morkBool_kTrue; /* yes, we created all the arrays we need */
/* init the old hashArrays with slots from this hash table: */
old->mHashArrays_Heap = mMap_Heap;
old->mHashArrays_Slots = mMap_Slots;
old->mHashArrays_Keys = mMap_Keys;
old->mHashArrays_Vals = mMap_Vals;
old->mHashArrays_Assocs = mMap_Assocs;
old->mHashArrays_Buckets = mMap_Buckets;
old->mHashArrays_Changes = mMap_Changes;
/* now replace all our array slots with the new structures: */
++mMap_Seed; /* note the map is now changed */
mMap_Keys = newKeys;
mMap_Vals = newValues;
mMap_Buckets = newBuckets;
mMap_Assocs = newAssocs;
mMap_FreeList = newAssocs; /* all are free to start with */
mMap_Changes = newChanges;
mMap_Slots = inSlots;
}
else /* free the partial set of arrays that were actually allocated */
{
nsIMdbEnv* menv = ev->AsMdbEnv();
nsIMdbHeap* heap = mMap_Heap;
if ( newBuckets )
heap->Free(menv, newBuckets);
if ( newAssocs )
heap->Free(menv, newAssocs);
if ( newKeys )
heap->Free(menv, newKeys);
if ( newValues )
heap->Free(menv, newValues);
if ( newChanges )
heap->Free(menv, newChanges);
MORK_MEMSET(old, 0, sizeof(morkHashArrays));
}
return outNew;
}
