TGRSIDataParserException.cxx

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#include "TGRSIDataParserException.h"
#include "TGRSIDataParser.h"

TGRSIDataParserException::TGRSIDataParserException(TGRSIDataParser::EDataParserState state, int failedWord, bool multipleErrors)
   : fParserState(state), fFailedWord(failedWord), fMultipleErrors(multipleErrors)
{
   /// default constructor for TGRSIDataParserException, stores the data parser state and the word the parser failed on
   /// and creates a message based on them that can be accessed via TGRSIDataParserException::what()
   std::ostringstream stream;
   stream<<"TGRSIDataParser failed ";
   if(fMultipleErrors) {
      stream<<"on multiple words, first was ";
   } else {
      stream<<"only on ";
   }
   stream<<fFailedWord<<". word: ";
   switch(fParserState) {
   case TGRSIDataParser::EDataParserState::kGood: stream<<"state is good, no idea what went wrong!"<<std::endl; break;
   case TGRSIDataParser::EDataParserState::kBadHeader:
      stream<<"bad header (either not high nibble 0x8 or an undefined bank)"<<std::endl;
      break;
   case TGRSIDataParser::EDataParserState::kMissingWords: stream<<"missing scaler words"<<std::endl; break;
   case TGRSIDataParser::EDataParserState::kBadScalerLowTS:
      stream<<"bad scaler word with low time stamp bits (high nibble not 0xa)"<<std::endl;
      break;
   case TGRSIDataParser::EDataParserState::kBadScalerValue:
      stream<<"bad scaler value (should never happen?)"<<std::endl;
      break;
   case TGRSIDataParser::EDataParserState::kBadScalerHighTS:
      stream<<"bad scaler word with high time stamp bits (either high nibble not 0xe or the 8 LSB don't match the 8 "
                "LSB of time stamp)"
            <<std::endl;
      break;
   case TGRSIDataParser::EDataParserState::kBadScalerType: stream<<"undefined scaler type"<<std::endl; break;
   case TGRSIDataParser::EDataParserState::kBadTriggerId:
      stream<<"bad word with channel trigger ID (high nibble not 0x9)"<<std::endl;
      break;
   case TGRSIDataParser::EDataParserState::kBadLowTS:
      stream<<"bad word with low time stamp bits (high nibble not 0xa)"<<std::endl;
      break;
   case TGRSIDataParser::EDataParserState::kBadHighTS:
      stream<<"bad word with deadtime/high time stamp bits (high nibble not 0xb)"<<std::endl;
      break;
   case TGRSIDataParser::EDataParserState::kSecondHeader:
      stream<<"found a second header (w/o finding a footer first)"<<std::endl;
      break;
   case TGRSIDataParser::EDataParserState::kWrongNofWords: stream<<"wrong number of words"<<std::endl; break;
   case TGRSIDataParser::EDataParserState::kNotSingleCfd:
      stream<<"expected a single cfd word, got either none or multiple ones"<<std::endl;
      break;
   case TGRSIDataParser::EDataParserState::kSizeMismatch:
      stream<<"number of charge, cfd, and integration length words doesn't match"<<std::endl;
      break;
   case TGRSIDataParser::EDataParserState::kBadFooter:
      stream<<"bad footer (mismatch between lowest 14 bits of channel trigger ID)"<<std::endl;
      break;
   case TGRSIDataParser::EDataParserState::kFault:
      stream<<"found a fault word (high nibble 0xf) from the DAQ"<<std::endl;
      break;
   case TGRSIDataParser::EDataParserState::kMissingPsd: stream<<"missing psd words"<<std::endl; break;
   case TGRSIDataParser::EDataParserState::kMissingCfd:
      stream<<"missing the cfd word (second word w/o MSB set)"<<std::endl;
      break;
   case TGRSIDataParser::EDataParserState::kMissingCharge:
      stream<<"missing charge words (should be at least two words w/o MSB set"<<std::endl;
      break;
   case TGRSIDataParser::EDataParserState::kBadBank: stream<<"undefined bank"<<std::endl; break;
   case TGRSIDataParser::EDataParserState::kBadModuleType: stream<<"undefined module type"<<std::endl; break;
   case TGRSIDataParser::EDataParserState::kEndOfData:
      stream<<"reached end of bank data but not end of fragment"<<std::endl;
      break;
   case TGRSIDataParser::EDataParserState::kUndefined:
      stream<<"undefined state, should not be possible?"<<std::endl;
      break;
   default: break;
   };

   fMessage = stream.str();
}

TGRSIDataParserException::~TGRSIDataParserException()
{
   /// default destructor
}

const char* TGRSIDataParserException::what() const noexcept
{
   /// return message string built in default constructor
   return fMessage.c_str();
}