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/* $Id$ */
/** @file smallvec.h Simple vector class that allows allocating an item without the need to copy data needlessly. */
#ifndef SMALLVEC_H
#define SMALLVEC_H
template <typename T, uint S> struct SmallVector {
T *data;
uint items;
uint capacity;
SmallVector() : data(NULL), items(0), capacity(0) { }
~SmallVector()
{
free(data);
}
/**
* Append an item and return it.
*/
T *Append()
{
if (items == capacity) {
capacity += S;
data = ReallocT(data, capacity);
}
return &data[items++];
}
const T *Begin() const
{
return data;
}
T *Begin()
{
return data;
}
const T *End() const
{
return &data[items];
}
T *End()
{
return &data[items];
}
const T *Get(size_t index) const
{
return &data[index];
}
T *Get(size_t index)
{
return &data[index];
}
};
#endif /* SMALLVEC_H */
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