YUMOtherParser.cc

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#include <zypp/parser/yum/YUMOtherParser.h>
#include <istream>
#include <string>
#include "zypp/parser/xml_parser_assert.h"
#include <libxml/xmlstring.h>
#include <libxml/xmlreader.h>
#include <libxml/tree.h>
#include <zypp/parser/LibXMLHelper.h>
#include <zypp/base/Logger.h>
#include <zypp/parser/yum/schemanames.h>
#include <zypp/ZYppFactory.h>

using namespace std;
namespace zypp
{
namespace parser
{
namespace yum
{


YUMOtherParser::YUMOtherParser(std::istream &is, const std::string& baseUrl, parser::ParserProgress::Ptr progress )
    : XMLNodeIterator<YUMOtherData_Ptr>(is, baseUrl,OTHERSCHEMA, progress)
    , _zypp_architecture( getZYpp()->architecture() )
{
  fetchNext();
}

YUMOtherParser::YUMOtherParser()
    : _zypp_architecture( getZYpp()->architecture() )
{ }

YUMOtherParser::YUMOtherParser(YUMOtherData_Ptr& entry)
    : XMLNodeIterator<YUMOtherData_Ptr>(entry)
    , _zypp_architecture( getZYpp()->architecture() )
{ }



YUMOtherParser::~YUMOtherParser()
{}




// select for which elements process() will be called
bool
YUMOtherParser::isInterested(const xmlNodePtr nodePtr)
{
  bool result = (_helper.isElement(nodePtr)
                 && _helper.name(nodePtr) == "package");
  return result;
}


// do the actual processing
YUMOtherData_Ptr
YUMOtherParser::process(const xmlTextReaderPtr reader)
{
  xml_assert(reader);
  YUMOtherData_Ptr dataPtr = new YUMOtherData;
  xmlNodePtr dataNode = xmlTextReaderExpand(reader);
  xml_assert(dataNode);

  dataPtr->pkgId = _helper.attribute(dataNode,"pkgid");
  dataPtr->name = _helper.attribute(dataNode,"name");
  dataPtr->arch = _helper.attribute(dataNode,"arch");

  try
  {
    if (!Arch(dataPtr->arch).compatibleWith( _zypp_architecture ))
    {
      return NULL;                      // skip <package>, incompatible architecture
    }
  }
  catch ( const Exception & excpt_r )
  {
    ZYPP_CAUGHT( excpt_r );
    DBG << "Skipping malformed " << dataPtr->arch << endl;
    return NULL;
  }

  for (xmlNodePtr child = dataNode->children;
       child != 0;
       child = child->next)
  {
    if (_helper.isElement(child))
    {
      string name = _helper.name(child);
      if (name == "version")
      {
        dataPtr->epoch = _helper.attribute(child,"epoch");
        dataPtr->ver = _helper.attribute(child,"ver");
        dataPtr->rel = _helper.attribute(child,"rel");
      }
      else if (name == "changelog")
      {
#if 0
        dataPtr->changelog.push_back
        (ChangelogEntry(_helper.attribute(child,"author"),
                        _helper.attribute(child,"date"),
                        _helper.content(child)));
#endif
      }
      else
      {
        WAR << "YUM <otherdata> contains the unknown element <" << name << "> "
        << _helper.positionInfo(child) << ", skipping" << endl;
      }
    }
  }
  return dataPtr;
}

} // namespace yum
} // namespace parser
} // namespace zypp

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