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map iterators now use the native PySwigIterator, which is very very good for large maps, since no more temporals key/value tuples are needed

Browse source 
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@8311 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Marcelo Matus 2006-01-09 00:40:44 +00:00
commit 2bde7c2c3b
3 changed files with 134 additions and 57 deletions
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53
Lib/python/pyiterators.swg
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@ -30,7 +30,18 @@ namespace swig
%newobject PySwigIterator::operator - (ptrdiff_t n) const;
}
%nodirector swig::PySwigIterator;
namespace swig
{
%nodirector PySwigIterator;
%extend PySwigIterator
{
%pythoncode {
def __iter__(self):
return self
}
}
}
%inline {
namespace swig {
struct stop_iteration
@ -78,6 +89,8 @@ namespace swig {
public:
PyObject *next() throw (stop_iteration)
{
PyObject *obj = value();
@ -139,7 +152,7 @@ namespace swig {
init = 1;
}
return desc;
}
}
};
}
}
@ -191,15 +204,30 @@ namespace swig {
out_iterator current;
};
template <class ValueType>
struct from_oper
{
typedef const ValueType& argument_type;
typedef PyObject *result_type;
result_type operator()(argument_type v) const
{
return swig::from(v);
}
};
template<typename OutIterator>
template<typename OutIterator,
typename ValueType = typename std::iterator_traits<OutIterator>::value_type,
typename FromOper = from_oper<ValueType> >
class PySwigIteratorOpen_T : public PySwigIterator_T<OutIterator>
{
public:
FromOper from;
typedef OutIterator out_iterator;
typedef typename std::iterator_traits<out_iterator>::value_type value_type;
typedef ValueType value_type;
typedef PySwigIterator_T<out_iterator> base;
typedef PySwigIteratorOpen_T<out_iterator> self_type;
typedef PySwigIteratorOpen_T<OutIterator, ValueType, FromOper> self_type;
PySwigIteratorOpen_T(out_iterator curr, PyObject *seq)
: PySwigIterator_T<OutIterator>(curr, seq)
@ -207,7 +235,7 @@ namespace swig {
}
PyObject *value() const throw (stop_iteration) {
return swig::from((const value_type&)*(base::current));
return from(static_cast<const value_type&>(*(base::current)));
}
PySwigIterator *copy() const
@ -232,14 +260,17 @@ namespace swig {
}
};
template<typename OutIterator>
template<typename OutIterator,
typename ValueType = typename std::iterator_traits<OutIterator>::value_type,
typename FromOper = from_oper<ValueType> >
class PySwigIteratorClosed_T : public PySwigIterator_T<OutIterator>
{
public:
FromOper from;
typedef OutIterator out_iterator;
typedef typename std::iterator_traits<out_iterator>::value_type value_type;
typedef ValueType value_type;
typedef PySwigIterator_T<out_iterator> base;
typedef PySwigIteratorClosed_T<out_iterator> self_type;
typedef PySwigIteratorClosed_T<OutIterator, ValueType, FromOper> self_type;
PySwigIteratorClosed_T(out_iterator curr, out_iterator first, out_iterator last, PyObject *seq)
: PySwigIterator_T<OutIterator>(curr, seq), begin(first), end(last)
@ -250,7 +281,7 @@ namespace swig {
if (base::current == end) {
throw stop_iteration();
} else {
return swig::from((const value_type&)*(base::current));
return from(static_cast<const value_type&>(*(base::current)));
}
}
@ -282,7 +313,7 @@ namespace swig {
}
return this;
}
private:
out_iterator begin;
out_iterator end;