variant_iterator.h

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#ifndef gamgee__variant_iterator__guard
#define gamgee__variant_iterator__guard

#include "variant.h"

#include "htslib/vcf.h"

#include <memory>

namespace gamgee {

class VariantIterator {
 public:

  VariantIterator() = default;

  VariantIterator(const std::shared_ptr<htsFile>& variant_file_ptr, const std::shared_ptr<bcf_hdr_t>& variant_header_ptr);

  VariantIterator(VariantIterator&&) = default;

  VariantIterator& operator= (VariantIterator&&) = default;

  VariantIterator(const VariantIterator&) = delete;

  VariantIterator& operator= (const VariantIterator&) = delete;

  bool operator!=(const VariantIterator& rhs) const;

  Variant& operator*();

  Variant& operator++();

  bool empty() const;

 protected:
  std::shared_ptr<htsFile> m_variant_file_ptr;          
  std::shared_ptr<bcf_hdr_t> m_variant_header_ptr;      
  std::shared_ptr<bcf1_t> m_variant_record_ptr;         
  Variant m_variant_record;                             

  virtual void fetch_next_record();                     
};

}  // end namespace gamgee

#endif // gamgee__variant_iterator__guard