Exheredludis/paludis/buffer_output_manager.cc
2011-08-07 18:18:38 +01:00

132 lines
3.2 KiB
C++

/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2009, 2010, 2011 Ciaran McCreesh
*
* This file is part of the Paludis package manager. Paludis is free software;
* you can redistribute it and/or modify it under the terms of the GNU General
* Public License version 2, as published by the Free Software Foundation.
*
* Paludis 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., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <paludis/buffer_output_manager.hh>
#include <paludis/util/buffer_output_stream.hh>
#include <paludis/util/pimp-impl.hh>
#include <paludis/util/wrapped_forward_iterator.hh>
#include <paludis/util/set.hh>
#include <paludis/util/exception.hh>
using namespace paludis;
namespace paludis
{
template <>
struct Imp<BufferOutputManager>
{
const std::shared_ptr<OutputManager> child;
BufferOutputStream stdout_stream;
BufferOutputStream stderr_stream;
Imp(
const std::shared_ptr<OutputManager> & c) :
child(c)
{
}
};
}
BufferOutputManager::BufferOutputManager(
const std::shared_ptr<OutputManager> & c) :
_imp(c)
{
}
BufferOutputManager::~BufferOutputManager()
{
flush();
}
std::ostream &
BufferOutputManager::stdout_stream()
{
return _imp->stdout_stream;
}
std::ostream &
BufferOutputManager::stderr_stream()
{
return _imp->stderr_stream;
}
void
BufferOutputManager::succeeded()
{
_imp->child->succeeded();
}
void
BufferOutputManager::ignore_succeeded()
{
_imp->child->ignore_succeeded();
}
void
BufferOutputManager::message(const MessageType, const std::string &)
{
}
void
BufferOutputManager::flush()
{
_imp->stdout_stream.unbuffer(_imp->child->stdout_stream());
_imp->stderr_stream.unbuffer(_imp->child->stderr_stream());
_imp->child->flush();
}
bool
BufferOutputManager::want_to_flush() const
{
return _imp->stdout_stream.anything_to_unbuffer() || _imp->stderr_stream.anything_to_unbuffer();
}
void
BufferOutputManager::nothing_more_to_come()
{
_imp->child->nothing_more_to_come();
}
const std::shared_ptr<const Set<std::string> >
BufferOutputManager::factory_managers()
{
std::shared_ptr<Set<std::string> > result(std::make_shared<Set<std::string>>());
result->insert("buffer");
return result;
}
const std::shared_ptr<OutputManager>
BufferOutputManager::factory_create(
const OutputManagerFactory::KeyFunction & key_func,
const OutputManagerFactory::CreateChildFunction & create_child,
const OutputManagerFactory::ReplaceVarsFunc &)
{
std::string child_str(key_func("child"));
if (child_str.empty())
throw ConfigurationError("No child specified for BufferOutputManager");
const std::shared_ptr<OutputManager> child(create_child(child_str));
return std::make_shared<BufferOutputManager>(child);
}
namespace paludis
{
template class Pimp<BufferOutputManager>;
}