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DDXMLElement.h

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#ifndef DD_XMLElement_H
#define DD_XMLElement_H
/***************************************************************************
                          DDXMLElement.h  -  description
                             -------------------
    begin                : Fri Mar 15 2002
    email                : case@ucdhep.ucdavis.edu
 ***************************************************************************/

// -------------------------------------------------------------------------
// Includes
// -------------------------------------------------------------------------

#include <map>
#include <string>
#include <vector>

#include "DetectorDescription/Core/interface/DDName.h"
#include "DetectorDescription/Base/interface/DDException.h"

//#include "DetectorDescription/Parser/interface/DDLParser.h"

// -------------------------------------------------------------------------
// Class declaration
// -------------------------------------------------------------------------


typedef std::map <std::string, std::string> DDXMLAttribute;
typedef std::map <std::string, std::vector<std::string> > AttrAccumType;

class DDXMLElement
{

  friend std::ostream & operator<<(std::ostream & os, const DDXMLElement & element);

 public:

  DDXMLElement();

  DDXMLElement( const bool& clearme);

  virtual ~DDXMLElement();
  

  void loadAttributes (const std::string& elemName
                       , const std::vector<std::string> & names
                       , const std::vector<std::string> & values
                       , const std::string& nmspace);


  void loadText( const std::string& inText);

  void appendText( const std::string& inText );

  const std::string getText(size_t tindex = 0) const;

  virtual bool gotText() const;

  virtual void clear();

  virtual const std::string & getAttribute(const std::string& name) const;

  virtual const DDXMLAttribute& getAttributeSet(size_t aIndex = 0) const;

  const virtual DDName getDDName(const std::string& defaultNS, const std::string& attname = std::string("name"), size_t aIndex = 0);

  const virtual std::string getName(const std::string& attname, size_t aIndex = 0);

  virtual std::string getNameSpace(const std::string& defaultNS, const std::string& attname, size_t aIndex = 0);

  virtual const std::string & get(const std::string& name, size_t aIndex = 0) const;

  virtual std::vector<std::string> getVectorAttribute(const std::string& name);

  virtual size_t size() const;

  virtual std::vector<DDXMLAttribute>::const_iterator begin();

  virtual std::vector<DDXMLAttribute>::const_iterator end();
 
  const std::string& parent() const;


  virtual void processElement (const std::string& name, const std::string& nmspace);


  virtual void preProcessElement (const std::string& name, const std::string& nmspace);

  virtual void stream(std::ostream & os) const;

  std::vector<DDXMLAttribute>::const_iterator& operator++(int inc);

  virtual bool isEmpty() const;

  void throwError ( const std::string& keyMessage ) const;

  // protected:
  static std::string itostr(int i);

 private:
  void appendAttributes(std::vector<std::string> & tv, const std::string& name);

  std::vector<DDXMLAttribute> attributes_; // std::vector of name-value std::map (i.e. multiple elements of the same type.
  std::vector<std::string> text_; // accumulates text.. one per element of this type.
  AttrAccumType attributeAccumulator_;  // temporary holder for most recent accessed attributes_... remove later!
  bool autoClear_;
  std::vector<DDXMLAttribute>::const_iterator myIter_;

};

#endif

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