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/* see copyright notice in squirrel.h */
#ifndef _SQARRAY_H_
#define _SQARRAY_H_
struct SQArray : public CHAINABLE_OBJ
{
private:
SQArray(SQSharedState *ss,SQInteger nsize){_values.resize(nsize); INIT_CHAIN();ADD_TO_CHAIN(&_ss(this)->_gc_chain,this);}
~SQArray()
{
REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this);
}
public:
static SQArray* Create(SQSharedState *ss,SQInteger nInitialSize){
SQArray *newarray=(SQArray*)SQ_MALLOC(sizeof(SQArray));
new (newarray) SQArray(ss,nInitialSize);
return newarray;
}
#ifndef NO_GARBAGE_COLLECTOR
void Mark(SQCollectable **chain);
SQObjectType GetType() {return OT_ARRAY;}
#endif
void Finalize(){
_values.resize(0);
}
bool Get(const SQInteger nidx,SQObjectPtr &val)
{
if(nidx>=0 && nidx<(SQInteger)_values.size()){
SQObjectPtr &o = _values[nidx];
val = _realval(o);
return true;
}
else return false;
}
bool Set(const SQInteger nidx,const SQObjectPtr &val)
{
if(nidx>=0 && nidx<(SQInteger)_values.size()){
_values[nidx]=val;
return true;
}
else return false;
}
SQInteger Next(const SQObjectPtr &refpos,SQObjectPtr &outkey,SQObjectPtr &outval)
{
SQUnsignedInteger idx=TranslateIndex(refpos);
while(idx<_values.size()){
//first found
outkey=(SQInteger)idx;
SQObjectPtr &o = _values[idx];
outval = _realval(o);
//return idx for the next iteration
return ++idx;
}
//nothing to iterate anymore
return -1;
}
SQArray *Clone(){SQArray *anew=Create(_opt_ss(this),0); anew->_values.copy(_values); return anew; }
SQInteger Size() const {return _values.size();}
void Resize(SQInteger size)
{
SQObjectPtr _null;
Resize(size,_null);
}
void Resize(SQInteger size,SQObjectPtr &fill) { _values.resize(size,fill); ShrinkIfNeeded(); }
void Reserve(SQInteger size) { _values.reserve(size); }
void Append(const SQObject &o){_values.push_back(o);}
void Extend(const SQArray *a);
SQObjectPtr &Top(){return _values.top();}
void Pop(){_values.pop_back(); ShrinkIfNeeded(); }
bool Insert(SQInteger idx,const SQObject &val){
if(idx < 0 || idx > (SQInteger)_values.size())
return false;
_values.insert(idx,val);
return true;
}
void ShrinkIfNeeded() {
if(_values.size() <= _values.capacity()>>2) //shrink the array
_values.shrinktofit();
}
bool Remove(SQInteger idx){
if(idx < 0 || idx >= (SQInteger)_values.size())
return false;
_values.remove(idx);
ShrinkIfNeeded();
return true;
}
void Release()
{
sq_delete(this,SQArray);
}
SQObjectPtrVec _values;
};
#endif //_SQARRAY_H_
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