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// file : xsd/cxx/auto-array.hxx
// copyright : Copyright (c) 2005-2014 Code Synthesis Tools CC
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#ifndef XSD_CXX_AUTO_ARRAY_HXX
#define XSD_CXX_AUTO_ARRAY_HXX
#include <xsd/cxx/config.hxx> // XSD_CXX11
#ifdef XSD_CXX11
# error use std::unique_ptr instead of non-standard auto_array
#endif
#include <cstddef> // std::size_t
namespace xsd
{
namespace cxx
{
template <typename T>
struct std_array_deleter
{
void
operator() (T* p) const
{
delete[] p;
}
};
// Simple automatic array. The second template parameter is
// an optional deleter type. If not specified, delete[]
// is used.
//
template <typename T, typename D = std_array_deleter<T> >
struct auto_array
{
auto_array (T a[])
: a_ (a), d_ (0)
{
}
auto_array (T a[], const D& d)
: a_ (a), d_ (&d)
{
}
~auto_array ()
{
if (d_ != 0)
(*d_) (a_);
else
delete[] a_;
}
T&
operator[] (std::size_t index) const
{
return a_[index];
}
T*
get () const
{
return a_;
}
T*
release ()
{
T* tmp (a_);
a_ = 0;
return tmp;
}
void
reset (T a[] = 0)
{
if (a_ != a)
{
if (d_ != 0)
(*d_) (a_);
else
delete[] a_;
a_ = a;
}
}
typedef void (auto_array::*bool_convertible)();
operator bool_convertible () const
{
return a_ ? &auto_array<T, D>::true_ : 0;
}
private:
auto_array (const auto_array&);
auto_array&
operator= (const auto_array&);
private:
void
true_ ();
private:
T* a_;
const D* d_;
};
template <typename T, typename D>
void auto_array<T, D>::
true_ ()
{
}
}
}
#endif // XSD_CXX_AUTO_ARRAY_HXX
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