// Copyright Vladimir Prus 2004.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_ENVIRONMENT_ITERATOR_VP_2004_05_14
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#define BOOST_ENVIRONMENT_ITERATOR_VP_2004_05_14
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#include "eof_iterator.hpp"
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#include <utility>
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#include <string>
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#include <cassert>
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namespace boost {
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class environment_iterator
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: public eof_iterator<environment_iterator,
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std::pair<std::string, std::string> >
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{
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public:
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environment_iterator(char** environment)
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: m_environment(environment)
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{
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get();
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}
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environment_iterator()
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{
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found_eof();
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}
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void get()
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{
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if (*m_environment == 0)
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found_eof();
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else {
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std::string s(*m_environment);
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std::string::size_type n = s.find('=');
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assert(n != s.npos);
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value().first = s.substr(0, n);
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value().second = s.substr(n+1);
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++m_environment;
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}
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}
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private:
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char** m_environment;
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};
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}
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#endif
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