ArenaWriter.h

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// SPDX-License-Identifier: Apache-2.0
// Copyright Verizon Media 2020
#pragma once
 
#include "swoc/swoc_version.h"
#include "swoc/MemSpan.h"
#include "swoc/bwf_base.h"
#include "swoc/MemArena.h"
 
namespace swoc { inline namespace SWOC_VERSION_NS {
class ArenaWriter : public FixedBufferWriter {
  using self_type  = ArenaWriter;       
  using super_type = FixedBufferWriter; 
public:
  ArenaWriter(MemArena &arena);

  ArenaWriter &write(void const *data, size_t n) override;

  ArenaWriter &write(char c) override;
 
  using super_type::write; // import super class write.

  bool commit(size_t n) override;
 
protected:
  MemArena &_arena; 

  void realloc(size_t n);
};
 
inline swoc::ArenaWriter::ArenaWriter(swoc::MemArena &arena) : super_type(arena.remnant()), _arena(arena) {}
 
}} // namespace swoc::SWOC_VERSION_NS