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/* Copyright © 2005-2013 Roger Leigh <rleigh@debian.org>
*
* schroot 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.
*
* schroot 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, see
* <http://www.gnu.org/licenses/>.
*
*********************************************************************/
#ifndef SBUILD_KEYFILE_WRITER_H
#define SBUILD_KEYFILE_WRITER_H
#include <ostream>
#include <sbuild/keyfile.h>
namespace sbuild
{
/**
* Keyfile writer.
*/
class keyfile_writer
{
public:
/// Exception type.
typedef keyfile::error error;
/**
* The constructor.
*
* @param store the keyfile to operate with.
*/
keyfile_writer(const keyfile& store);
/**
* The constructor.
*
* @param store the keyfile to operate with.
* @param file the file to load the configuration from.
*/
keyfile_writer (const keyfile& store,
const std::string& file);
/**
* The constructor.
*
* @param store the keyfile to operate with.
* @param stream the stream to load the configuration from.
*/
keyfile_writer (const keyfile& store,
std::ostream& stream);
/// The destructor.
virtual ~keyfile_writer();
/**
* Write keyfile to a stream. The keyfile specified during
* construction will be used as the source of data.
*
* @param stream the stream to write to.
*/
virtual void
write_stream(std::ostream& stream) const;
protected:
/// The keyfile to operate with.
const keyfile& store;
/**
* Print a comment to a stream. The comment will have hash ('#')
* marks printed at the start of each line.
*
* @param comment the comment to print.
* @param stream the stream to output to.
*
* @todo Use split string or some general iterator/algorithm
* instead of custom string manipulation. This could be reused by
* log_exception_* functions and split_string.
*/
static void
print_comment (const keyfile::comment_type& comment,
std::ostream& stream);
/**
* keyfile output to an ostream.
*
* @param stream the stream to output to.
* @param kf the keyfile to output.
* @returns the stream.
*/
friend
std::ostream&
operator << (std::ostream& stream,
const keyfile_writer& kp)
{
kp.write_stream(stream);
return stream;
}
};
}
#endif /* SBUILD_KEYFILE_WRITER_H */
/*
* Local Variables:
* mode:C++
* End:
*/
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