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File indexing completed on 2021-02-14 13:07:14

0001 #ifndef GeneratorInterface_LHEInterface_LHEReader_h
0002 #define GeneratorInterface_LHEInterface_LHEReader_h
0003 
0004 #include <string>
0005 #include <vector>
0006 #include <memory>
0007 
0008 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0009 
0010 namespace lhef {
0011 
0012   class XMLDocument;
0013   class LHERunInfo;
0014   class LHEEvent;
0015 
0016   class LHEReader {
0017   public:
0018     LHEReader(const edm::ParameterSet &params);
0019     LHEReader(const std::vector<std::string> &fileNames, unsigned int skip = 0);
0020     LHEReader(const std::string &inputs, unsigned int skip = 0);
0021     ~LHEReader();
0022 
0023     std::shared_ptr<LHEEvent> next(bool *newFileOpened = nullptr);
0024 
0025   private:
0026     class Source;
0027     class FileSource;
0028     class StringSource;
0029     class XMLHandler;
0030 
0031     const std::vector<std::string> fileURLs;
0032     const std::string strName;
0033     unsigned int firstEvent;
0034     int maxEvents;
0035     unsigned int curIndex;
0036     std::vector<std::string> weightsinconfig;
0037 
0038     std::unique_ptr<Source> curSource;
0039     std::unique_ptr<XMLDocument> curDoc;
0040     std::shared_ptr<LHERunInfo> curRunInfo;
0041     std::unique_ptr<XMLHandler> handler;
0042     std::shared_ptr<void> platform;
0043   };
0044 
0045 }  // namespace lhef
0046 
0047 #endif  // GeneratorInterface_LHEInterface_LHEReader_h