YUMRepomdParser.cc

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

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

YUMRepomdParser::~YUMRepomdParser()
{ }

YUMRepomdParser::YUMRepomdParser()
{ }

YUMRepomdParser::YUMRepomdParser(YUMRepomdData_Ptr& entry)
    : XMLNodeIterator<YUMRepomdData_Ptr>(entry)
{ }


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

// do the actual processing
YUMRepomdData_Ptr
YUMRepomdParser::process(const xmlTextReaderPtr reader)
{
  xml_assert(reader);
  YUMRepomdData_Ptr repoPtr = new YUMRepomdData;
  xmlNodePtr dataNode = xmlTextReaderExpand(reader);
  xml_assert(dataNode);
  repoPtr->type = _helper.attribute(dataNode,"type");

  for (xmlNodePtr child = dataNode->children;
       child && child != dataNode;
       child = child->next)
  {
    if (_helper.isElement(child))
    {
      string name = _helper.name(child);
      if (name == "location")
      {
        repoPtr->location = _helper.attribute(child,"href");
      }
      else if (name == "checksum")
      {
        repoPtr->checksumType = _helper.attribute(child,"type");
        repoPtr->checksum = _helper.content(child);
      }
      else if (name == "timestamp")
      {
        repoPtr->timestamp = _helper.content(child);
      }
      else if (name == "open-checksum")
      {
        repoPtr->openChecksumType = _helper.attribute(child, "type");
        repoPtr->openChecksum = _helper.content(child);
      }
      else
      {
        WAR << "YUM <data> contains the unknown element <" << name << "> "
        << _helper.positionInfo(child) << ", skipping" << endl;
      }
    }
  }
  return repoPtr;
} /* end process */


YUMRepomdParser::YUMRepomdParser(std::istream &is, const std::string &baseUrl, parser::ParserProgress::Ptr progress)
    : XMLNodeIterator<YUMRepomdData_Ptr>(is, baseUrl,REPOMDSCHEMA, progress)
{
  fetchNext();
}

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

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