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// Copyright (C) 2010, Vaclav Haisman. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modifica-
// tion, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
// DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <log4cplus/internal/env.h>
#include <log4cplus/helpers/stringhelper.h>
#include <log4cplus/streams.h>
#ifdef LOG4CPLUS_HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef LOG4CPLUS_HAVE_WCHAR_H
#include <wchar.h>
#endif
#include <cassert>
#include <cstdlib>
#include <sstream>
namespace log4cplus { namespace internal {
bool
get_env_var (tstring & value, tstring const & name)
{
#if defined (_WIN32) && defined (UNICODE)
tchar const * val = _wgetenv (name.c_str ());
if (val)
value = val;
return !! val;
#else
char const * val
= std::getenv (LOG4CPLUS_TSTRING_TO_STRING (name).c_str ());
if (val)
value = LOG4CPLUS_STRING_TO_TSTRING (val);
return !! val;
#endif
}
bool
parse_bool (bool & val, tstring const & str)
{
log4cplus::tistringstream iss (str);
log4cplus::tstring word;
if (! (iss >> word))
return false;
tchar ch;
if (iss >> ch)
return false;
word = helpers::toLower (word);
bool result = true;
if (word == LOG4CPLUS_TEXT ("true"))
val = true;
else if (word == LOG4CPLUS_TEXT ("false"))
val = false;
else
{
iss.clear ();
iss.seekg (0);
assert (iss);
long lval;
iss >> lval;
result = !! iss && ! (iss >> ch);
if (result)
val = !! lval;
}
return result;
}
} } // namespace log4cplus { namespace internal {