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/*=============================================================================
Copyright (c) 2002 2004 2006 Joel de Guzman
http://spirit.sourceforge.net/
Use, modification and distribution is subject to the Boost Software
License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#include "collector.hpp"
#include <boost/assert.hpp>
namespace quickbook
{
string_stream::string_stream()
: buffer_ptr(new std::string())
, stream_ptr(new ostream(boost::iostreams::back_inserter(*buffer_ptr.get())))
{}
string_stream::string_stream(string_stream const& other)
: buffer_ptr(other.buffer_ptr)
, stream_ptr(other.stream_ptr)
{}
string_stream&
string_stream::operator=(string_stream const& other)
{
buffer_ptr = other.buffer_ptr;
stream_ptr = other.stream_ptr;
return *this;
}
collector::collector()
: main(default_)
, top(default_)
{
}
collector::collector(string_stream& out)
: main(out)
, top(out)
{
}
collector::~collector()
{
BOOST_ASSERT(streams.empty()); // assert there are no more pushes than pops!!!
}
void
collector::push()
{
streams.push(string_stream());
top = boost::ref(streams.top());
}
void
collector::pop()
{
BOOST_ASSERT(!streams.empty());
streams.pop();
if (streams.empty())
top = boost::ref(main);
else
top = boost::ref(streams.top());
}
}
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