blob: 658afe73bf1d45c92ad38a9e752d41b613880fe9 (
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
46
47
48
|
// Copyright 2014 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 XFA_FGAS_CRT_IFGAS_STREAM_H_
#define XFA_FGAS_CRT_IFGAS_STREAM_H_
#include "core/fxcrt/cfx_retain_ptr.h"
#include "core/fxcrt/fx_stream.h"
#include "core/fxcrt/fx_system.h"
enum FX_STREAMSEEK {
FX_STREAMSEEK_Begin = 0,
FX_STREAMSEEK_Current,
};
class IFGAS_Stream : public CFX_Retainable {
public:
static CFX_RetainPtr<IFGAS_Stream> CreateReadStream(
const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead);
static CFX_RetainPtr<IFGAS_Stream> CreateWriteStream(
const CFX_RetainPtr<IFX_SeekableWriteStream>& pFileWrite);
static CFX_RetainPtr<IFGAS_Stream> CreateWideStringReadStream(
const CFX_WideString& buffer);
virtual FX_FILESIZE GetLength() const = 0;
virtual FX_FILESIZE GetPosition() = 0;
virtual FX_STRSIZE GetBOMLength() const = 0;
virtual void Seek(FX_STREAMSEEK eSeek, FX_FILESIZE iOffset) = 0;
virtual FX_STRSIZE ReadString(wchar_t* pStr,
FX_STRSIZE iMaxLength,
bool* bEOS) = 0;
virtual void WriteData(const uint8_t* pBuffer, FX_STRSIZE iBufferSize) = 0;
virtual void WriteString(const wchar_t* pStr, FX_STRSIZE iLength) = 0;
virtual uint16_t GetCodePage() const = 0;
virtual void SetCodePage(uint16_t wCodePage) = 0;
protected:
virtual bool IsEOF() const = 0;
virtual FX_STRSIZE ReadData(uint8_t* pBuffer, FX_STRSIZE iBufferSize) = 0;
};
#endif // XFA_FGAS_CRT_IFGAS_STREAM_H_
|
