/usr/include/vmime/utility/stringProxy.hpp is in libvmime-dev 0.9.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
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// VMime library (http://www.vmime.org)
// Copyright (C) 2002-2009 Vincent Richard <vincent@vincent-richard.net>
//
// 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 3 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
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Linking this library statically or dynamically with other modules is making
// a combined work based on this library. Thus, the terms and conditions of
// the GNU General Public License cover the whole combination.
//
#ifndef VMIME_UTILITY_STRINGPROXY_HPP_INCLUDED
#define VMIME_UTILITY_STRINGPROXY_HPP_INCLUDED
#include <limits>
#include "vmime/types.hpp"
#include "vmime/utility/stream.hpp"
#include "vmime/utility/progressListener.hpp"
namespace vmime {
namespace utility {
/** This class is a proxy for the string class. This takes
* advantage of the COW (copy-on-write) system that might
* be used in "std::string" implementation.
*/
class stringProxy
{
public:
typedef string::size_type size_type;
typedef string string_type;
// Consruction
stringProxy();
stringProxy(const stringProxy& s);
stringProxy(const string_type& s, const size_type start = 0, const size_type end = std::numeric_limits <size_type>::max());
// Assignment
void set(const string_type& s, const size_type start = 0, const size_type end = std::numeric_limits <size_type>::max());
void detach();
stringProxy& operator=(const stringProxy& s);
stringProxy& operator=(const string_type& s);
// Extract some portion (or whole) of the string
// and output it into a stream.
void extract(outputStream& os, const size_type start = 0, const size_type end = std::numeric_limits <size_type>::max(), utility::progressListener* progress = NULL) const;
// Return the "virtual" length of the string
size_type length() const;
// Return the boundaries of the "virtual" string
size_type start() const;
size_type end() const;
string::const_iterator it_begin() const { return (m_buffer.begin() + m_start); }
string::const_iterator it_end() const { return (m_buffer.begin() + m_end); }
private:
string_type m_buffer;
size_type m_start;
size_type m_end;
};
std::ostream& operator<<(std::ostream& os, const stringProxy& s);
outputStream& operator<<(outputStream& os, const stringProxy& s);
} // utility
} // vmime
#endif // VMIME_UTILITY_STRINGPROXY_HPP_INCLUDED
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