csv_reader_iterator.cpp

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#include "csv_reader.hpp"
 
namespace csv {
    CSV_INLINE CSVReader::iterator CSVReader::begin() {
        CSVRow row;
        if (!this->read_row(row)) {
            return this->end();
        }
        return CSVReader::iterator(this, std::move(row));
    }
 
    CSV_INLINE CSV_CONST CSVReader::iterator CSVReader::end() const noexcept {
        return CSVReader::iterator();
    }
 
    // CSVReader::iterator //
 
    CSV_INLINE CSVReader::iterator::iterator(CSVReader* _daddy, CSVRow&& _row) :
        daddy(_daddy) {
        row = std::move(_row);
    }
 
    CSV_INLINE CSVReader::iterator& CSVReader::iterator::operator++() {
        if (!daddy->read_row(this->row)) {
            this->daddy = nullptr; // this == end()
        }
 
        return *this;
    }
 
    CSV_INLINE CSVReader::iterator CSVReader::iterator::operator++(int) {
        auto temp = *this;
        if (!daddy->read_row(this->row)) {
            this->daddy = nullptr; // this == end()
        }
 
        return temp;
    }
}