1// Copyright 2014 PDFium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7#ifndef _XFA_BASIC_IMP
8#define _XFA_BASIC_IMP
9typedef struct _XFA_NOTSUREATTRIBUTE {
10  XFA_ELEMENT eElement;
11  XFA_ATTRIBUTE eAttribute;
12  XFA_ATTRIBUTETYPE eType;
13  void* pValue;
14} XFA_NOTSUREATTRIBUTE, *XFA_LPNOTSUREATTRIBUTE;
15typedef XFA_NOTSUREATTRIBUTE const* XFA_LPCNOTSUREATTRIBUTE;
16XFA_LPCNOTSUREATTRIBUTE XFA_GetNotsureAttribute(
17    XFA_ELEMENT eElement,
18    XFA_ATTRIBUTE eAttribute,
19    XFA_ATTRIBUTETYPE eType = XFA_ATTRIBUTETYPE_NOTSURE);
20class CXFA_WideTextRead : public IFX_Stream {
21 public:
22  CXFA_WideTextRead(const CFX_WideString& wsBuffer);
23  virtual void Release();
24  virtual IFX_Stream* Retain();
25
26  virtual FX_DWORD GetAccessModes() const;
27  virtual int32_t GetLength() const;
28  virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset);
29  virtual int32_t GetPosition();
30  virtual FX_BOOL IsEOF() const;
31
32  virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize) { return 0; }
33  virtual int32_t ReadString(FX_WCHAR* pStr,
34                             int32_t iMaxLength,
35                             FX_BOOL& bEOS,
36                             int32_t const* pByteSize = NULL);
37  virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) {
38    return 0;
39  }
40  virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) {
41    return 0;
42  }
43  virtual void Flush() {}
44  virtual FX_BOOL SetLength(int32_t iLength) { return FALSE; }
45
46  virtual int32_t GetBOM(uint8_t bom[4]) const { return 0; }
47  virtual FX_WORD GetCodePage() const;
48  virtual FX_WORD SetCodePage(FX_WORD wCodePage);
49
50  virtual void Lock() {}
51  virtual void Unlock() {}
52
53  virtual IFX_Stream* CreateSharedStream(FX_DWORD dwAccess,
54                                         int32_t iOffset,
55                                         int32_t iLength) {
56    return NULL;
57  }
58
59  CFX_WideString GetSrcText() const { return m_wsBuffer; }
60
61 protected:
62  CFX_WideString m_wsBuffer;
63  int32_t m_iPosition;
64  int32_t m_iRefCount;
65};
66#endif
67