/usr/include/bobcat/autoptr is in libbobcat-dev 3.19.01-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#include <bobcat/refcount>
namespace FBB
{
template<typename Data>
class AutoPtr
{
class RefData: public RefCount
{
Data *d_data;
size_t d_size; // 0: single pointer, otherwise array
public:
RefData();
RefData(Data *d_data, size_t size);
RefData(RefData const &other) = delete;
virtual ~RefData();
Data *get(int idx);
Data *releaseOne(); // Return one allocated
// copy, lose share count
Data *releaseAll(); // Return allocated data
// lose all shares
void reset(Data *data, size_t size = 0);// reset to data[size]
// or data if size == 0
private:
virtual RefCount *clone() const;
void destroy();
};
RefData *d_data;
int d_base; // base is used with arrays. It provides a base
// location from where index operations start to
// count.
public:
AutoPtr(); // Default constructor
explicit AutoPtr(Data *data); // Receive one allocated Data element
AutoPtr(Data *data, size_t size); // Array of n Data elements
AutoPtr(AutoPtr &other); // Copy constructor
AutoPtr(AutoPtr &&other); // Move constructor
~AutoPtr();
AutoPtr &operator=(AutoPtr &other);
Data &operator*();
Data *operator->();
Data *get(); // same as operator->
Data *release(); // lose one reference count
Data *releaseAll(); // lose all references
void reset(Data *data, size_t size = 0); // lose one reference,
// reassign data[size] or
// data if size == 0
void resetAll(Data *data, size_t size = 0); // new data[size] or data
// if size == 0
Data &operator[](int idx);
AutoPtr &operator+=(int idx);
AutoPtr &operator-=(int idx);
AutoPtr operator+(int idx);
AutoPtr operator-(int idx);
private:
void destroy();
void copy(AutoPtr &other);
};
// RefData members:
template<typename Data>
AutoPtr<Data>::RefData::RefData()
:
d_data(0),
d_size(0)
{}
template<typename Data>
AutoPtr<Data>::RefData::RefData(Data *data, size_t size)
:
d_data(data),
d_size(size)
{}
template<typename Data>
inline AutoPtr<Data>::RefData::~RefData()
{
destroy();
}
template<typename Data>
RefCount *AutoPtr<Data>::RefData::clone() const
{
Data *data;
if (!d_size)
data = new Data(*d_data);
else
{
data = new Data[d_size];
std::copy(d_data, d_data + d_size, data);
}
return new RefData(d_data, d_size);
}
template<typename Data>
inline Data *AutoPtr<Data>::RefData::get(int idx)
{
return d_data + idx;
}
template<typename Data>
Data *AutoPtr<Data>::RefData::releaseOne()
{
Data *ret;
if (refcount() == 1)
{
ret = d_data;
d_data = 0;
}
else
{
if (!d_size)
ret = new Data(*d_data);
else
{
ret = new Data[d_size];
for (size_t idx = 0; idx < d_size; ++idx)
ret[idx] = d_data[idx];
}
}
release();
return ret;
}
template<typename Data>
Data *AutoPtr<Data>::RefData::releaseAll()
{
Data *ret = d_data;
d_data = 0;
release();
return ret;
}
template<typename Data>
void AutoPtr<Data>::RefData::reset(Data *data, size_t size)
{
destroy();
d_data = data;
d_size = size;
}
template<typename Data>
void AutoPtr<Data>::RefData::destroy()
{
if (d_size == 0)
delete d_data;
else
delete [] d_data; // maybe add facility for double pointers,
// which will delete the individual data
// elements?
}
// AutoPtr members
template<typename Data> // Default constructor
AutoPtr<Data>::AutoPtr()
:
d_data(new RefData()),
d_base(0)
{}
template<typename Data> // One data element
AutoPtr<Data>::AutoPtr(Data *data)
:
d_data(new RefData(data, 0)),
d_base(0)
{}
template<typename Data> // Array of `size' data elements
AutoPtr<Data>::AutoPtr(Data *data, size_t size)
:
d_data(new RefData(data, size)),
d_base(0)
{}
template<typename Data> // Copy constructor
inline AutoPtr<Data>::AutoPtr(AutoPtr &other)
{
copy(other);
}
template<typename Data> // Move constructor
inline AutoPtr<Data>::AutoPtr(AutoPtr &&tmp)
:
d_data(tmp.d_datao),
d_base(tmp.d_base)
{
tmp.d_data = 0;
}
template<typename Data> // destructor
inline AutoPtr<Data>::~AutoPtr()
{
if (d_data)
destroy();
}
template<typename Data> // Assignment operator
AutoPtr<Data> &AutoPtr<Data>::operator=(AutoPtr &other)
{
if (this != &other)
{
destroy();
copy(other);
}
return *this;
}
template<typename Data> // Dereference operator
inline Data &AutoPtr<Data>::operator*()
{
return *d_data->get(d_base);
}
template<typename Data> // Pointer operator
inline Data *AutoPtr<Data>::operator->()
{
return d_data->get(d_base);
}
template<typename Data> // get() member
inline Data *AutoPtr<Data>::get()
{
return d_data->get(d_base);
}
template<typename Data> // lose one share count, return alloc. copy
inline Data *AutoPtr<Data>::release()
{
return d_data->releaseOne();
}
template<typename Data> // lose all shares, return alloc. data
inline Data *AutoPtr<Data>::releaseAll()
{
return d_data->releaseAll();
}
template<typename Data> // lose one share count, point to alloc. copy
void AutoPtr<Data>::reset(Data *data, size_t size)
{
d_data->release();
d_data = new RefData(data, size);
d_base = 0;
}
template<typename Data> // redefine data for all sharing objects
void AutoPtr<Data>::resetAll(Data *data, size_t size)
{
d_data->reset(data, size);
d_base = 0;
}
template<typename Data>
void AutoPtr<Data>::copy(AutoPtr &other)
{
d_data = RefData::share(other.d_data);
d_base = other.d_base;
}
template<typename Data>
inline void AutoPtr<Data>::destroy()
{
d_data->release();
}
template<typename Data>
inline Data &AutoPtr<Data>::operator[](int idx)
{
return *d_data->get(d_base + idx);
}
template<typename Data>
AutoPtr<Data> &AutoPtr<Data>::operator+=(int idx)
{
d_base += idx;
return *this;
}
template<typename Data>
inline AutoPtr<Data> AutoPtr<Data>::operator+(int idx)
{
return AutoPtr<Data>(*this) += idx;
}
template<typename Data>
inline AutoPtr<Data> operator+(int idx, AutoPtr<Data> &rhs)
{
return AutoPtr<Data>(rhs) += idx;
}
template<typename Data>
inline AutoPtr<Data> &AutoPtr<Data>::operator-=(int idx)
{
return *this += -idx;
}
template<typename Data>
inline AutoPtr<Data> AutoPtr<Data>::operator-(int idx)
{
return AutoPtr<Data>(*this) -= idx;
}
} // FBB
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