53 lines
1.3 KiB
Plaintext
53 lines
1.3 KiB
Plaintext
|
// 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
|