grpc/include/grpc++/support/slice.h

/*
 *
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 *
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#ifndef GRPCXX_SUPPORT_SLICE_H
#define GRPCXX_SUPPORT_SLICE_H

#include <grpc/support/slice.h>
#include <grpc++/support/config.h>

namespace grpc {

class Slice GRPC_FINAL {
 public:
  // construct empty slice
  Slice();
  // destructor - drops one ref
  ~Slice();
  // construct slice from grpc slice, adding a ref
  enum AddRef { ADD_REF };
  Slice(gpr_slice slice, AddRef);
  // construct slice from grpc slice, stealing a ref
  enum StealRef { STEAL_REF };
  Slice(gpr_slice slice, StealRef);
  // copy constructor - adds a ref
  Slice(const Slice& other);
  // assignment - ref count is unchanged
  Slice& operator=(Slice other) {
    std::swap(slice_, other.slice_);
    return *this;
  }

  size_t size() const { return GPR_SLICE_LENGTH(slice_); }
  const gpr_uint8* begin() const { return GPR_SLICE_START_PTR(slice_); }
  const gpr_uint8* end() const { return GPR_SLICE_END_PTR(slice_); }

 private:
  friend class ByteBuffer;

  gpr_slice slice_;
};

}  // namespace grpc

#endif  // GRPCXX_SUPPORT_SLICE_H