IOVDbParser.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
//@file IOVDbParser.h
//@brief helper class for IOVDbSvc implementing a simple XML-style parser to parse
// the folder description string or the provided folder description in job options
//@author Richard Hawkings, started 29/11/08
#ifndef IOVDBSVC_IOVDBPARSER_H
#define IOVDBSVC_IOVDBPARSER_H
 
#include <string>
#include <map>
#include <vector>
#include "GaudiKernel/ClassID.h" //typedef
 
class MsgStream;
 
class IOVDbParser {
public:
 
  IOVDbParser() = delete; 
  IOVDbParser( const std::string &input, MsgStream& log);
  bool isValid() const;
  std::pair<std::string, bool>
  at(const std::string & searchKey, const std::string & defaultValue="") const;
  bool getKey(const std::string& key, const std::string& devvalue,std::string& value) const;
  std::string folderName() const;
  std::string key() const;
  bool hasKey() const;
  std::string tag() const;
  std::string eventStoreName() const;
  bool timebaseIs_nsOfEpoch() const;
  std::string cache() const;
  int cachehint() const;
  bool named() const;
  std::string addressHeader() const;
  std::vector<std::string> symLinks() const;
  bool noTagOverride() const;
  CLID classId(MsgStream& msg) const;
  bool onlyReadMetadata() const;
  bool extensible() const;
  
  unsigned applyOverrides(const IOVDbParser& other, MsgStream & log);
  bool overridesIov(MsgStream& msg) const;
  bool overridesIov(MsgStream& msg, const bool folderIs_nsOfEpoch) const;
  unsigned long long iovOverrideValue(MsgStream& msg) const;
  bool operator==(const IOVDbParser& other) const; 
  std::string toString() const;
 
private:
  bool m_valid{};
  typedef std::map<std::string, std::string, std::less<>> KeyValMap;
  KeyValMap m_keys;
  bool overridesIovImpl(MsgStream& msg, const bool performFolderCheck,const bool folderIs_nsOfEpoch=true) const;
 
};
 
inline bool IOVDbParser::isValid() const { return m_valid; }
 
MsgStream& operator<<(MsgStream& os, const IOVDbParser& fldr); 
 
 
#endif //  IOVDBSVC_IOVDBPARSER_H