COMPASSi/trunk/code/inc/DataManager/XmlSerialization/xsd/cxx/tree/containers.hxx

1211 lines
24 KiB
C++

// file : xsd/cxx/tree/containers.hxx
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#ifndef XSD_CXX_TREE_CONTAINERS_HXX
#define XSD_CXX_TREE_CONTAINERS_HXX
#include <vector>
#include <memory> // std::auto_ptr/unique_ptr
#include <algorithm> // std::equal, std::lexicographical_compare
#include <iosfwd>
#include <xsd/cxx/config.hxx> // XSD_AUTO_PTR
#include <xsd/cxx/tree/elements.hxx>
#include <xsd/cxx/tree/iterator-adapter.hxx>
namespace xsd
{
namespace cxx
{
namespace tree
{
// Test whether T is a fundamental C++ type.
//
template <typename T>
struct fundamental_p
{
static const bool r = false;
};
// byte
//
template <>
struct fundamental_p<signed char>
{
static const bool r = true;
};
template <>
struct fundamental_p<unsigned char>
{
static const bool r = true;
};
// short
//
template <>
struct fundamental_p<short>
{
static const bool r = true;
};
template <>
struct fundamental_p<unsigned short>
{
static const bool r = true;
};
// int
//
template <>
struct fundamental_p<int>
{
static const bool r = true;
};
template <>
struct fundamental_p<unsigned int>
{
static const bool r = true;
};
// long
//
template <>
struct fundamental_p<long>
{
static const bool r = true;
};
template <>
struct fundamental_p<unsigned long>
{
static const bool r = true;
};
template <>
struct fundamental_p<long long>
{
static const bool r = true;
};
template <>
struct fundamental_p<unsigned long long>
{
static const bool r = true;
};
// bool
//
template <>
struct fundamental_p<bool>
{
static const bool r = true;
};
// float
//
template <>
struct fundamental_p<float>
{
static const bool r = true;
};
template <>
struct fundamental_p<double>
{
static const bool r = true;
};
// one (for internal use only)
//
template <typename T, bool fund = fundamental_p<T>::r>
class one;
template <typename T>
class one<T, false>
{
public:
typedef T value_type;
~one ();
one (container*);
one (const T&, container*);
one (XSD_AUTO_PTR<T>, container*);
one (const one&, flags, container*);
one&
operator= (const one&);
public:
const T&
get () const
{
return *x_;
}
T&
get ()
{
return *x_;
}
void
set (const T& x)
{
set (x, 0);
}
void
set (XSD_AUTO_PTR<T>);
bool
present () const
{
return x_ != 0;
}
XSD_AUTO_PTR<T>
detach ()
{
T* x (x_);
x->_container (0);
x_ = 0;
return XSD_AUTO_PTR<T> (x);
}
protected:
void
set (const T&, flags);
protected:
T* x_;
container* container_;
};
template <typename T>
class one<T, true>
{
public:
typedef T value_type;
one (container*): present_ (false) {}
one (const T& x, container*) : x_ (x), present_ (true) {}
one (const one& x, flags, container*)
: x_ (x.x_), present_ (x.present_)
{
}
one&
operator= (const one& x)
{
if (this == &x)
return *this;
x_ = x.x_;
present_ = x.present_;
return *this;
}
public:
const T&
get () const
{
return x_;
}
T&
get ()
{
return x_;
}
void
set (const T& x)
{
x_ = x;
present_ = true;
}
bool
present () const
{
return present_;
}
protected:
T x_;
bool present_;
};
template <typename T, bool fund = fundamental_p<T>::r>
class optional;
template <typename T>
class optional<T, false>
{
public:
typedef T value_type;
~optional ();
explicit
optional (container* = 0);
explicit
optional (const T&, container* = 0);
explicit
optional (XSD_AUTO_PTR<T>, container* = 0);
optional (const optional&, flags = 0, container* = 0);
optional&
operator= (const T&);
optional&
operator= (const optional&);
// Pointer-like interface.
//
public:
const T*
operator-> () const
{
return x_;
}
T*
operator-> ()
{
return x_;
}
const T&
operator* () const
{
return *x_;
}
T&
operator* ()
{
return *x_;
}
typedef optional self_; // Simplifier for Sun C++ 5.7.
typedef void (self_::*bool_convertible) ();
operator bool_convertible () const
{
return x_ != 0 ? &self_::true_ : 0;
}
// Get/set interface.
//
public:
bool
present () const
{
return x_ != 0;
}
const T&
get () const
{
return *x_;
}
T&
get ()
{
return *x_;
}
void
set (const T& x)
{
set (x, 0);
}
void
set (XSD_AUTO_PTR<T>);
void
reset ();
XSD_AUTO_PTR<T>
detach ()
{
T* x (x_);
x->_container (0);
x_ = 0;
return XSD_AUTO_PTR<T> (x);
}
protected:
void
set (const T&, flags);
void
true_ ();
protected:
T* x_;
container* container_;
};
//
//
template <typename T>
class optional<T, true>
{
public:
typedef T value_type;
explicit
optional (container* = 0) : present_ (false) {}
explicit
optional (const T&, container* = 0);
optional (const optional&, flags = 0, container* = 0);
optional&
operator= (const T&);
optional&
operator= (const optional&);
// Pointer-like interface.
//
public:
const T*
operator-> () const
{
return &x_;
}
T*
operator-> ()
{
return &x_;
}
const T&
operator* () const
{
return get ();
}
T&
operator* ()
{
return get ();
}
typedef optional self_; // Simplifier for Sun C++ 5.7.
typedef void (self_::*bool_convertible) ();
operator bool_convertible () const
{
return present () ? &self_::true_ : 0;
}
// Get/set interface.
//
public:
bool
present () const
{
return present_;
}
const T&
get () const
{
return x_;
}
T&
get ()
{
return x_;
}
void
set (const T& y)
{
x_ = y;
present_ = true;
}
void
reset ()
{
present_ = false;
}
private:
void
true_ ();
private:
bool present_;
T x_;
};
// Comparison operators.
//
template <typename T, bool fund>
inline bool
operator== (const optional<T, fund>& a, const optional<T, fund>& b)
{
return !a || !b ? a.present () == b.present () : *a == *b;
}
template <typename T, bool fund>
inline bool
operator!= (const optional<T, fund>& a, const optional<T, fund>& b)
{
return !(a == b);
}
template <typename T, bool fund>
inline bool
operator< (const optional<T, fund>& a, const optional<T, fund>& b)
{
return a && (!b || *a < *b);
}
template <typename T, bool fund>
inline bool
operator> (const optional<T, fund>& a, const optional<T, fund>& b)
{
return b < a;
}
template <typename T, bool fund>
inline bool
operator<= (const optional<T, fund>& a, const optional<T, fund>& b)
{
return !(a > b);
}
template <typename T, bool fund>
inline bool
operator>= (const optional<T, fund>& a, const optional<T, fund>& b)
{
return !(a < b);
}
// Provide an ostream insertion operator to prevent confusion from
// the implicit bool conversion.
//
template <typename C, typename T, bool fund>
std::basic_ostream<C>&
operator<< (std::basic_ostream<C>&, const optional<T, fund>&);
// Sequence.
//
template <typename T, bool fund = fundamental_p<T>::r>
class sequence;
//
//
class sequence_common
{
protected:
// This is a dangerously destructive automatic pointer. We are going
// to use it in a controlled environment to save us a lot of coding.
//
struct ptr
{
~ptr ()
{
delete x_;
}
explicit
ptr (type* x = 0)
: x_ (x)
{
}
ptr (const ptr& y)
: x_ (y.x_)
{
// Yes, hostile takeover.
//
y.x_ = 0;
}
ptr&
operator= (const ptr& y)
{
if (this != &y)
{
// Yes, hostile takeover.
//
delete x_;
x_ = y.x_;
y.x_ = 0;
}
return *this;
}
public:
type&
operator* () const
{
return *x_;
}
type*
operator-> () const
{
return x_;
}
type*
get () const
{
return x_;
}
type*
release ()
{
type* x (x_);
x_ = 0;
return x;
}
private:
mutable type* x_;
};
protected:
typedef std::vector<ptr> base_sequence;
typedef base_sequence::iterator base_iterator;
typedef base_sequence::const_iterator base_const_iterator;
typedef base_sequence::size_type size_type;
typedef base_sequence::difference_type difference_type;
typedef base_sequence::allocator_type allocator_type;
protected:
sequence_common (container* c)
: container_ (c)
{
}
sequence_common (size_type n, const type& x, container* c)
: container_ (c)
{
assign (n, x);
}
template <typename I>
sequence_common (const I& begin, const I& end, container* c)
: container_ (c)
{
assign (begin, end);
}
sequence_common (const sequence_common& v, flags f, container* c)
: container_ (c)
{
v_.reserve (v.v_.size ());
for (base_const_iterator i (v.v_.begin ()), e (v.v_.end ());
i != e; ++i)
{
ptr p ((**i)._clone (f, container_));
v_.push_back (p);
}
}
public:
sequence_common&
operator= (const sequence_common& v)
{
if (this == &v)
return *this;
v_.assign (v.v_.size (), ptr ());
base_iterator di (v_.begin ()), de (v_.end ());
base_const_iterator si (v.v_.begin ()), se (v.v_.end ());
for (; si != se && di != de; ++si, ++di)
{
// We have no ptr_ref.
//
ptr p ((**si)._clone (0, container_));
*di = p;
}
return *this;
}
public:
size_type
size () const
{
return v_.size ();
}
size_type
max_size () const
{
return v_.max_size ();
}
size_type
capacity () const
{
return v_.capacity ();
}
bool
empty () const
{
return v_.empty ();
}
void
reserve (size_type n)
{
v_.reserve (n);
}
void
clear ()
{
v_.clear ();
}
protected:
void
assign (size_type n, const type& x)
{
v_.assign (n, ptr ());
for (base_iterator i (v_.begin ()), e (v_.end ()); i != e; ++i)
{
ptr p (x._clone (0, container_));
*i = p;
}
}
template <typename I>
void
assign (const I& begin, const I& end)
{
// This is not the fastest way to do it. Also I's type may not
// have _clone.
//
v_.clear ();
for (I i (begin); i != end; ++i)
{
ptr p (i->_clone (0, container_));
v_.push_back (p);
}
}
void
resize (size_type n, const type& x)
{
size_type old (v_.size ());
v_.resize (n, ptr ());
if (old < n)
{
for (base_iterator i (v_.begin () + old), e (v_.end ());
i != e; ++i)
{
ptr p (x._clone (0, container_));
*i = p;
}
}
}
void
insert (base_iterator p, size_type n, const type& x)
{
difference_type d (v_.end () - p);
v_.insert (p, n, ptr ());
for (base_iterator i (v_.end () - d); n != 0; --n)
{
ptr r (x._clone (0, container_));
*(--i) = r;
}
}
template <typename I>
void
insert (base_iterator p, const I& begin, const I& end)
{
// This is not the fastest way to do it. Also I's type may not
// have _clone.
//
if (begin != end)
{
for (I i (end);;)
{
--i;
ptr r (i->_clone (0, container_));
p = v_.insert (p, r);
if (i == begin)
break;
}
}
}
protected:
container* container_;
base_sequence v_;
};
//
//
template <typename T>
class sequence<T, false>: public sequence_common
{
protected:
// For IBM XL C++ 8.0.
//
typedef sequence_common::ptr ptr;
public:
typedef T value_type;
typedef T* pointer;
typedef const T* const_pointer;
typedef T& reference;
typedef const T& const_reference;
typedef
iterator_adapter<base_sequence::iterator, T>
iterator;
typedef
iterator_adapter<base_sequence::const_iterator, const T>
const_iterator;
typedef
iterator_adapter<base_sequence::reverse_iterator, T>
reverse_iterator;
typedef
iterator_adapter<base_sequence::const_reverse_iterator, const T>
const_reverse_iterator;
typedef sequence_common::size_type size_type;
typedef sequence_common::difference_type difference_type;
typedef sequence_common::allocator_type allocator_type;
public:
explicit
sequence (container* c = 0)
: sequence_common (c)
{
}
// The first version causes trouble on IBM XL C++ 7.0 when
// a type does not have the default c-tor. While the second
// breaks VC++ 8.0 when using dllexport (it appears to
// instantiate everything instead of only what's used).
//
#ifdef _MSC_VER
explicit
sequence (size_type n, const T& x = T (), container* c = 0)
: sequence_common (n, x, c)
{
}
#else
explicit
sequence (size_type n, container* c = 0)
: sequence_common (n, T (), c)
{
}
sequence (size_type n, const T& x, container* c = 0)
: sequence_common (n, x, c)
{
}
#endif
template <typename I>
sequence (const I& begin, const I& end, container* c = 0)
: sequence_common (begin, end, c)
{
}
sequence (const sequence& v, flags f = 0, container* c = 0)
: sequence_common (v, f, c)
{
}
#ifdef XSD_CXX11
sequence&
operator= (const sequence&) = default;
#endif
public:
void
assign (size_type n, const T& x)
{
sequence_common::assign (n, x);
}
template <typename I>
void
assign (const I& begin, const I& end)
{
sequence_common::assign (begin, end);
}
public:
// The first version causes trouble on IBM XL C++ 7.0 when
// a type does not have the default c-tor. While the second
// breaks VC++ 8.0 when using dllexport (it appears to
// instantiate everything instead of only what's used).
//
#ifdef _MSC_VER
void
resize (size_type n, const T& x = T ())
{
sequence_common::resize (n, x);
}
#else
void
resize (size_type n)
{
sequence_common::resize (n, T ());
}
void
resize (size_type n, const T& x)
{
sequence_common::resize (n, x);
}
#endif
public:
const_iterator
begin () const
{
return const_iterator (v_.begin ());
}
const_iterator
end () const
{
return const_iterator (v_.end ());
}
iterator
begin ()
{
return iterator (v_.begin ());
}
iterator
end ()
{
return iterator (v_.end ());
}
// reverse
//
const_reverse_iterator
rbegin () const
{
return const_reverse_iterator (v_.rbegin ());
}
const_reverse_iterator
rend () const
{
return const_reverse_iterator (v_.rend ());
}
reverse_iterator
rbegin ()
{
return reverse_iterator (v_.rbegin ());
}
reverse_iterator
rend ()
{
return reverse_iterator (v_.rend ());
}
public:
T&
operator[] (size_type n)
{
return static_cast<T&> (*(v_[n]));
}
const T&
operator[] (size_type n) const
{
return static_cast<const T&> (*(v_[n]));
}
T&
at (size_type n)
{
return static_cast<T&> (*(v_.at (n)));
}
const T&
at (size_type n) const
{
return static_cast<const T&> (*(v_.at (n)));
}
T&
front ()
{
return static_cast<T&> (*(v_.front ()));
}
const T&
front () const
{
return static_cast<const T&> (*(v_.front ()));
}
T&
back ()
{
return static_cast<T&> (*(v_.back ()));
}
const T&
back () const
{
return static_cast<const T&> (*(v_.back ()));
}
public:
void
push_back (const T& x)
{
v_.push_back (ptr (x._clone (0, container_)));
}
void
push_back (XSD_AUTO_PTR<T> x)
{
if (x->_container () != container_)
x->_container (container_);
v_.push_back (ptr (x.release ()));
}
void
pop_back ()
{
v_.pop_back ();
}
XSD_AUTO_PTR<T>
detach_back (bool pop = true)
{
ptr& p (v_.back ());
p->_container (0);
T* x (static_cast<T*> (p.release ()));
if (pop)
v_.pop_back ();
return XSD_AUTO_PTR<T> (x);
}
iterator
insert (iterator position, const T& x)
{
return iterator (
v_.insert (
position.base (), ptr (x._clone (0, container_))));
}
iterator
insert (iterator position, XSD_AUTO_PTR<T> x)
{
if (x->_container () != container_)
x->_container (container_);
return iterator (v_.insert (position.base (), ptr (x.release ())));
}
void
insert (iterator position, size_type n, const T& x)
{
sequence_common::insert (position.base (), n, x);
}
template <typename I>
void
insert (iterator position, const I& begin, const I& end)
{
sequence_common::insert (position.base (), begin, end);
}
iterator
erase (iterator position)
{
return iterator (v_.erase (position.base ()));
}
iterator
erase (iterator begin, iterator end)
{
return iterator (v_.erase (begin.base (), end.base ()));
}
iterator
detach (iterator position, XSD_AUTO_PTR<T>& r, bool erase = true)
{
ptr& p (*position.base ());
p->_container (0);
r.reset (static_cast<T*> (p.release ()));
if (erase)
return iterator (v_.erase (position.base ()));
else
return ++position;
}
// Note that the container object of the two sequences being
// swapped should be the same.
//
void
swap (sequence& x)
{
assert (container_ == x.container_);
v_.swap (x.v_);
}
};
// Specialization for fundamental types.
//
template <typename T>
class sequence<T, true>: public std::vector<T>
{
typedef std::vector<T> base_sequence;
public:
explicit
sequence (container* = 0)
{
}
explicit
sequence (typename base_sequence::size_type n,
const T& x = T (),
container* = 0)
: base_sequence (n, x)
{
}
template <typename I>
sequence (const I& begin, const I& end, container* = 0)
: base_sequence (begin, end)
{
}
sequence (const sequence& s, flags = 0, container* = 0)
: base_sequence (s)
{
}
#ifdef XSD_CXX11
sequence&
operator= (const sequence&) = default;
#endif
};
// Comparison operators.
//
template <typename T, bool fund>
inline bool
operator== (const sequence<T, fund>& a, const sequence<T, fund>& b)
{
return (a.size () == b.size ()
&& std::equal (a.begin (), a.end (), b.begin ()));
}
template <typename T, bool fund>
inline bool
operator!= (const sequence<T, fund>& a, const sequence<T, fund>& b)
{
return !(a == b);
}
template <typename T, bool fund>
inline bool
operator< (const sequence<T, fund>& a, const sequence<T, fund>& b)
{
return std::lexicographical_compare (a.begin (), a.end (),
b.begin (), b.end ());
}
template <typename T, bool fund>
inline bool
operator> (const sequence<T, fund>& a, const sequence<T, fund>& b)
{
return b < a;
}
template <typename T, bool fund>
inline bool
operator<= (const sequence<T, fund>& a, const sequence<T, fund>& b)
{
return !(a > b);
}
template <typename T, bool fund>
inline bool
operator>= (const sequence<T, fund>& a, const sequence<T, fund>& b)
{
return !(a < b);
}
// Note that the container object of the two sequences being
// swapped should be the same.
//
template <typename T, bool fund>
inline void
swap (sequence<T, fund>& x, sequence<T, fund>& y)
{
x.swap (y);
}
}
}
}
#include <xsd/cxx/tree/containers.txx>
#endif // XSD_CXX_TREE_CONTAINERS_HXX