// JobIdList.cxx

#include "dial_job/JobIdList.h"
#include <iostream.h>
#include "dataset_util/XmlElement.h"
#include "dataset_util/DtdRegistry.h"

using std::string;
using std::ostream;
using dial::JobIdList;

//**********************************************************************
// Local definitions.
//**********************************************************************

namespace {

// Register the DTD.
DtdRegistry::Status ISTAT =
  DtdRegistry::register_dtd<JobIdList>("dial");

}  // end unnamed namespace

//**********************************************************************
// Static member functions.
//**********************************************************************

// DTD.

const Text& JobIdList::dtd() {
  static Text txt;
  if ( txt.size() == 0 ) {
    txt.append("<!ELEMENT JobIdList (JobId)*>");
    txt.append("<!ATTLIST JobIdList");
    txt.append("  label         CDATA  #REQUIRED");
    txt.append(">");
  }
  return txt;
}


//**********************************************************************
// Member functions.
//**********************************************************************

// Default constructor.

JobIdList::JobIdList() { }

//**********************************************************************

// Size constructor.

JobIdList::JobIdList(size_t nele) : std::vector<JobId>(nele) { }

//**********************************************************************

// XML constructor.

JobIdList::JobIdList(const XmlElement& ele) {
  const XmlElement* pele = 0;
  if ( ele.name() == xml_name() ) {
    pele = &ele;
  }
  if ( pele != 0 ) {
    assert( pele->name() == xml_name() );
    for ( XmlElement::ElementList::const_iterator
          iele=pele->children().begin();
          iele!=pele->children().end(); ++iele ) {
      const XmlElement& child = **iele;
      if ( child.name() == JobId::xml_name() ) {
        JobId id(child);
        assert( id.is_valid() );
        push_back(id);
      }
    }
  }
  assert( size() == pele->children().size() );
}

//**********************************************************************

// Convert to XML.

const XmlElement* JobIdList::xml(string label) const {
  XmlElement* pele = new XmlElement(xml_name());
  pele->add_attribute("label", label);
  for ( const_iterator iid=begin(); iid!=end(); ++iid ) {
    pele->add_child(iid->xml());
  }
  return pele;
}

//**********************************************************************
// Free functions.
//**********************************************************************

// Output stream.

ostream& operator<<(ostream& lhs, const JobIdList& rhs) {
  JobIdList::size_type count = rhs.size();
  lhs << "Job ID list has " << count;
  if ( count == 1 ) {
    lhs << " entry";
  } else {
    lhs << " entries";
  }
  if ( count > 0 ) lhs << ":";
  for ( JobIdList::const_iterator ijid=rhs.begin();
        ijid!=rhs.end(); ++ijid ) {
    lhs << "\n  " << (*ijid).to_string();
  }
  return lhs;
}

//**********************************************************************