90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
|
#ifndef BOOST_ARCHIVE_ITERATORS_UNESCAPE_HPP
|
||
|
|
#define BOOST_ARCHIVE_ITERATORS_UNESCAPE_HPP
|
||
|
|
|
||
|
|
// MS compatible compilers support #pragma once
|
||
|
|
#if defined(_MSC_VER)
|
||
|
|
# pragma once
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
|
||
|
|
// unescape.hpp
|
||
|
|
|
||
|
|
// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
|
||
|
|
// Use, modification and distribution is subject to the Boost Software
|
||
|
|
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
|
||
|
|
// http://www.boost.org/LICENSE_1_0.txt)
|
||
|
|
|
||
|
|
// See http://www.boost.org for updates, documentation, and revision history.
|
||
|
|
|
||
|
|
#include <boost/assert.hpp>
|
||
|
|
|
||
|
|
#include <boost/iterator/iterator_adaptor.hpp>
|
||
|
|
#include <boost/pointee.hpp>
|
||
|
|
|
||
|
|
namespace boost {
|
||
|
|
namespace archive {
|
||
|
|
namespace iterators {
|
||
|
|
|
||
|
|
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
|
||
|
|
// class used by text archives to translate char strings to wchar_t
|
||
|
|
// strings of the currently selected locale
|
||
|
|
template<class Derived, class Base>
|
||
|
|
class unescape
|
||
|
|
: public boost::iterator_adaptor<
|
||
|
|
unescape<Derived, Base>,
|
||
|
|
Base,
|
||
|
|
typename pointee<Base>::type,
|
||
|
|
single_pass_traversal_tag,
|
||
|
|
typename pointee<Base>::type
|
||
|
|
>
|
||
|
|
{
|
||
|
|
friend class boost::iterator_core_access;
|
||
|
|
typedef typename boost::iterator_adaptor<
|
||
|
|
unescape<Derived, Base>,
|
||
|
|
Base,
|
||
|
|
typename pointee<Base>::type,
|
||
|
|
single_pass_traversal_tag,
|
||
|
|
typename pointee<Base>::type
|
||
|
|
> super_t;
|
||
|
|
|
||
|
|
typedef unescape<Derived, Base> this_t;
|
||
|
|
public:
|
||
|
|
typedef typename this_t::value_type value_type;
|
||
|
|
typedef typename this_t::reference reference;
|
||
|
|
private:
|
||
|
|
value_type dereference_impl() {
|
||
|
|
if(! m_full){
|
||
|
|
m_current_value = static_cast<Derived *>(this)->drain();
|
||
|
|
m_full = true;
|
||
|
|
}
|
||
|
|
return m_current_value;
|
||
|
|
}
|
||
|
|
|
||
|
|
reference dereference() const {
|
||
|
|
return const_cast<this_t *>(this)->dereference_impl();
|
||
|
|
}
|
||
|
|
|
||
|
|
value_type m_current_value;
|
||
|
|
bool m_full;
|
||
|
|
|
||
|
|
void increment(){
|
||
|
|
++(this->base_reference());
|
||
|
|
dereference_impl();
|
||
|
|
m_full = false;
|
||
|
|
};
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
unescape(Base base) :
|
||
|
|
super_t(base),
|
||
|
|
m_full(false)
|
||
|
|
{}
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace iterators
|
||
|
|
} // namespace archive
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
#endif // BOOST_ARCHIVE_ITERATORS_UNESCAPE_HPP
|