blob: 44a07f913b80d9466b0c2df39e026ed9f3f84f51 [file] [log] [blame]
// Copyright 2017 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc.
#include <memory>
#include "core/fxcrt/fx_memory_wrappers.h"
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/fx_system.h"
#include "third_party/base/span.h"
class CFX_BinaryBuf {
CFX_BinaryBuf(CFX_BinaryBuf&& that) noexcept;
virtual ~CFX_BinaryBuf();
// Moved-from value will be left empty.
CFX_BinaryBuf& operator=(CFX_BinaryBuf&& that) noexcept;
pdfium::span<uint8_t> GetSpan();
pdfium::span<const uint8_t> GetSpan() const;
uint8_t* GetBuffer() const { return m_pBuffer.get(); }
size_t GetSize() const { return m_DataSize; }
virtual size_t GetLength() const;
bool IsEmpty() const { return GetLength() == 0; }
void Clear();
void SetAllocStep(size_t step) { m_AllocStep = step; }
void EstimateSize(size_t size);
void AppendSpan(pdfium::span<const uint8_t> span);
void AppendBlock(const void* pBuf, size_t size);
void AppendString(const ByteString& str) {
AppendBlock(str.c_str(), str.GetLength());
void AppendByte(uint8_t byte) {
m_pBuffer.get()[m_DataSize++] = byte;
void Delete(size_t start_index, size_t count);
// Releases ownership of |m_pBuffer| and returns it.
std::unique_ptr<uint8_t, FxFreeDeleter> DetachBuffer();
void ExpandBuf(size_t size);
size_t m_AllocStep = 0;
size_t m_AllocSize = 0;
size_t m_DataSize = 0;
std::unique_ptr<uint8_t, FxFreeDeleter> m_pBuffer;