StDbLib/StlXmlTree.h

#ifndef NoXmlTreeReader
#ifndef __CINT__
#include <libxml/xmlreader.h>
#endif

#ifndef StlXmlTree_h
#define StlXmlTree_h
#ifdef __ROOT__
#include "Rtypes.h"
#endif
#include <vector>
#include <map>
#include <string>

namespace stl_xml_tree {
  const std::string sep = ">"; // will be parsed out of XML or cause an error -- safe to use here
  enum 
    {
      NO_ERROR,
      NO_XML_BASE, // no file to be parsed
      BAD_XML      // parsing error, the structure may be incomplete
    };
}

class StlXmlTree
{
 private:
  StlXmlTree* Filter;
#ifndef __CINT__
  xmlTextReaderPtr reader;
#endif
  std::multimap<std::string,std::string> XmlTree;
  char* xmlfilename;
  std::multimap<std::string,std::string>::const_iterator OnTheTree;
  int Depth;
  int PreviousDepth;
  int MaxDepthWanted;
  std::string XmlTreeNodeName;
  std::string NodeName;
  std::string IdString;
  short MyStatus;

  void ProcessNode();
#ifdef DEBUG
  void ProcessNodeDebug();
#endif
  void ProcessAttribute();
  bool SkipBasedOnValue(const std::string key, const std::string value);
  void UpdateDepth();


public:
  StlXmlTree();
  StlXmlTree(const std::string xmlfilename, StlXmlTree* filter=0);
  virtual ~StlXmlTree(){;}
  void ShowTree();
  static std::map<std::string,std::string> ParseAttributeString(const std::string);
  static std::string MakeKey(const std::string FullyQualifiedParent, const std::string Child);
  static std::string QualifyParent(const std::string Parent, const std::string Attributes);
  std::vector<std::string> LookUpValueByKey(const std::string key);
  std::vector<std::string> LookUpValueByKey
    (std::string& Parent, const std::string ParentAttributes, const std::string Child);
//--------------^ enables recursion, returns the look-up key good for the next step
  void InsertKeyValuePair(std::string key, std::string value);
  static bool AttributesContain(std::string attributeString, std::string attributeName, std::string attributeValue);
  inline short GetStatus() {return MyStatus;};
#ifdef __ROOT__
  ClassDef(StlXmlTree,0);
#endif
};
#endif
#endif

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