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