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//
// VMime library (http://www.vmime.org)
// Copyright (C) 2002-2006 Vincent Richard <[email protected]>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License along along
// with this program; if not, write to the Free Software Foundation, Inc., Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA..
//
#include "vmime/utility/stringProxy.hpp"
#include <iterator>
#include <algorithm>
namespace vmime {
namespace utility {
stringProxy::stringProxy()
: m_start(0), m_end(0)
{
}
stringProxy::stringProxy(const stringProxy& s)
: m_buffer(s.m_buffer), m_start(s.m_start), m_end(s.m_end)
{
}
stringProxy::stringProxy(const string_type& s, const size_type start, const size_type end)
: m_buffer(s), m_start(start),
m_end(end == std::numeric_limits <size_type>::max() ? s.length() : end)
{
}
void stringProxy::set(const string_type& s, const size_type start, const size_type end)
{
m_buffer = s;
m_start = start;
if (end == std::numeric_limits <size_type>::max())
m_end = s.length();
else
m_end = end;
}
void stringProxy::detach()
{
m_buffer.clear();
m_start = m_end = 0;
}
stringProxy& stringProxy::operator=(const stringProxy& s)
{
m_buffer = s.m_buffer;
m_start = s.m_start;
m_end = s.m_end;
return (*this);
}
stringProxy& stringProxy::operator=(const string_type& s)
{
m_buffer = s;
m_start = 0;
m_end = s.length();
return (*this);
}
void stringProxy::extract(outputStream& os, const size_type start, const size_type end,
utility::progressListener* progress) const
{
size_type len = 0;
if (end == std::numeric_limits <size_type>::max())
len = m_end - start - m_start;
else if (end > start)
len = end - start;
if (progress)
progress->start(len);
os.write(m_buffer.data() + m_start + start, len);
if (progress)
{
progress->progress(len, len);
progress->stop(len);
}
}
const stringProxy::size_type stringProxy::length() const
{
return (m_end - m_start);
}
const stringProxy::size_type stringProxy::start() const
{
return (m_start);
}
const stringProxy::size_type stringProxy::end() const
{
return (m_end);
}
std::ostream& operator<<(std::ostream& os, const stringProxy& s)
{
outputStreamAdapter adapter(os);
s.extract(adapter);
return (os);
}
outputStream& operator<<(outputStream& os, const stringProxy& s)
{
s.extract(os);
return (os);
}
} // utility
} // vmime
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