blob: 47e491275ceee15be6abeb3a793e492997ec157e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
// 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. http://www.foxitsoftware.com
#ifndef CORE_FXCRT_CFX_MEMORYSTREAM_H_
#define CORE_FXCRT_CFX_MEMORYSTREAM_H_
#include <memory>
#include "core/fxcrt/fx_memory.h"
#include "core/fxcrt/fx_stream.h"
#include "core/fxcrt/retain_ptr.h"
class CFX_MemoryStream : public IFX_SeekableStream {
public:
template <typename T, typename... Args>
friend RetainPtr<T> pdfium::MakeRetain(Args&&... args);
// IFX_SeekableStream
FX_FILESIZE GetSize() override;
FX_FILESIZE GetPosition() override;
bool IsEOF() override;
bool ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override;
size_t ReadBlock(void* buffer, size_t size) override;
bool WriteBlock(const void* buffer, FX_FILESIZE offset, size_t size) override;
bool Flush() override;
const uint8_t* GetBuffer() const { return m_data.get(); }
private:
CFX_MemoryStream();
// Takes ownership of |pBuffer|.
CFX_MemoryStream(uint8_t* pBuffer, size_t nSize);
~CFX_MemoryStream() override;
std::unique_ptr<uint8_t, FxFreeDeleter> m_data;
size_t m_nTotalSize;
size_t m_nCurSize;
size_t m_nCurPos = 0;
};
#endif // CORE_FXCRT_CFX_MEMORYSTREAM_H_
|
