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// Copyright Vladimir Prus 2004.
// Distributed under 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)
#ifndef BOOST_ENVIRONMENT_ITERATOR_VP_2004_05_14
#define BOOST_ENVIRONMENT_ITERATOR_VP_2004_05_14
#include "eof_iterator.hpp"
#include <utility>
#include <string>
#include <cassert>
namespace boost {
class environment_iterator
: public eof_iterator<environment_iterator,
std::pair<std::string, std::string> >
{
public:
environment_iterator(char** environment)
: m_environment(environment)
{
get();
}
environment_iterator()
{
found_eof();
}
void get()
{
if (*m_environment == 0)
found_eof();
else {
std::string s(*m_environment);
std::string::size_type n = s.find('=');
assert(n != s.npos);
value().first = s.substr(0, n);
value().second = s.substr(n+1);
}
++m_environment;
}
private:
char** m_environment;
};
}
#endif