CSVParser_inl.h

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#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#  include <agrum/base/database/CSVParser.h>
 
namespace gum {
 
  namespace learning {
 
    // gets the next line of the csv stream and parses it
    INLINE bool CSVParser::next() {
      while (getline(*_instream_, _line_)) {
        _nbLine_++;
 
        if (_line_.size() == std::size_t(0)) continue;
 
        // fast recognition of commented or empty lines lines
        std::size_t lastPos = _line_.find_first_not_of(_spaces_, std::size_t(0));
 
        if (lastPos == std::string::npos) continue;
 
        if (_line_.at(lastPos) == _commentMarker_) continue;
 
        _tokenize_(_line_);
        return true;
      }
 
      return false;
    }
 
 
    // search for quote taking into account the '\'...
    INLINE std::size_t CSVParser::_correspondingQuoteMarker_(const std::string& str,
                                                             std::size_t        pos) const {
      std::size_t res = pos, before;
 
      while (true) {
        res = str.find_first_of(_quoteMarker_, res + 1);
 
        if (res == std::string::npos) return res;   // no quote found
 
        before = str.find_last_not_of('\\', res - 1);
 
        if (before == std::string::npos) return res;   // quote found, it is the good one
 
        if ((res - before) % 2 == 1)
          return res;   // the quote is the good one, even if there are some '\'
                        // before
      }
    }
 
 
    // returns the current parsed line
    INLINE const std::vector< std::string >& CSVParser::current() const {
      if (_emptyData_) GUM_ERROR(NullElement, "No parsed data")
 
      return _data_;
    }
 
 
    // returns the current nbLine of parser line
    INLINE std::size_t CSVParser::nbLine() const {
      if (_nbLine_ == 0) GUM_ERROR(NullElement, "No parsed data")
 
      return _nbLine_;
    }
 
  } /* namespace learning */
 
} /* namespace gum */
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */