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#include "wanda/system/environment.hpp"
#include <string>
namespace wanda::system
{
environment::environment(char const * const * env)
{
if (!env)
{
return;
}
std::string buffer{};
for (; *env != nullptr; ++env)
{
buffer = *env;
int split_point = buffer.find('=');
if (split_point != std::string::npos)
{
m_cache[buffer.substr(0, split_point)] = buffer.substr(split_point + 1);
}
}
}
std::string & environment::operator[](std::string const & variable)
{
return m_cache[variable];
}
std::string const & environment::operator[](std::string const & variable) const
{
static std::string const empty{};
if (auto needle = m_cache.find(variable); needle != cend())
{
return needle->second;
}
return empty;
}
environment::iterator environment::begin()
{
return m_cache.begin();
}
environment::const_iterator environment::begin() const
{
return m_cache.begin();
}
environment::const_iterator environment::cbegin() const
{
return m_cache.cbegin();
}
environment::iterator environment::end()
{
return m_cache.end();
}
environment::const_iterator environment::end() const
{
return m_cache.end();
}
environment::const_iterator environment::cend() const
{
return m_cache.cend();
}
} // namespace wanda::system
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