grive2/libgrive/src/drive/Feed1.cc

73 lines
1.8 KiB
C++

/*
Item list ("Feed") implementation for the old "Document List" Google Docs API
Copyright (C) 2012 Wan Wai Ho, (C) 2015 Vitaliy Filippov
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 version 2
of the License.
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.
*/
#include "CommonUri.hh"
#include "Feed1.hh"
#include "Entry1.hh"
#include "http/Agent.hh"
#include "http/Header.hh"
#include "http/ResponseLog.hh"
#include "http/XmlResponse.hh"
#include "xml/NodeSet.hh"
#include <boost/format.hpp>
#include <cassert>
namespace gr { namespace v1 {
Feed1::Feed1( const std::string &url ):
Feed( url )
{
}
bool Feed1::GetNext( http::Agent *http )
{
http::XmlResponse xrsp ;
http::ResponseLog log( &xrsp ) ;
if ( m_next.empty() )
return false;
if ( m_log.get() != 0 )
log.Reset(
m_log->prefix,
(boost::format( "-#%1%%2%" ) % m_log->sequence++ % m_log->suffix ).str(),
&xrsp ) ;
http->Get( m_next, &log, http::Header() ) ;
xml::Node m_root = xrsp.Response() ;
xml::NodeSet xe = m_root["entry"] ;
m_entries.clear() ;
for ( xml::NodeSet::iterator i = xe.begin() ; i != xe.end() ; ++i )
{
m_entries.push_back( Entry1( *i ) );
}
xml::NodeSet nss = m_root["link"].Find( "@rel", "next" ) ;
m_next = nss.empty() ? std::string( "" ) : nss["@href"];
return true;
}
} } // end of namespace gr::v1