WPXMemoryStream.h
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
2 /* libwpd
3  * Version: MPL 2.0 / LGPLv2.1+
4  *
5  * This Source Code Form is subject to the terms of the Mozilla Public
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10  * Copyright (C) 2004-2005 William Lachance (wrlach@gmail.com)
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12  * For minor contributions see the git repository.
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14  * Alternatively, the contents of this file may be used under the terms
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16  * (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are
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20  */
21 
22 /* "This product is not manufactured, approved, or supported by
23  * Corel Corporation or Corel Corporation Limited."
24  */
25 
26 #ifndef MEMORYSTREAM_H
27 #define MEMORYSTREAM_H
29 
31 {
32 public:
33  WPXMemoryInputStream(unsigned char *data, unsigned long size);
34  virtual ~WPXMemoryInputStream();
35 
36  virtual bool isOLEStream()
37  {
38  return false;
39  }
40  virtual WPXInputStream *getDocumentOLEStream(const char *)
41  {
42  return 0;
43  }
44 
45  virtual const unsigned char *read(unsigned long numBytes, unsigned long &numBytesRead);
46  virtual int seek(long offset, WPX_SEEK_TYPE seekType);
47  virtual long tell();
48  virtual bool atEOS();
49  virtual unsigned long getSize() const
50  {
51  return m_size;
52  }
53 
54 private:
55  long m_offset;
56  unsigned long m_size;
57  unsigned char *m_data;
60 };
61 
62 #endif
63 /* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */
virtual int seek(long offset, WPX_SEEK_TYPE seekType)
Moves to the next location inside the input stream.
Definition: WPXMemoryStream.cpp:68
virtual unsigned long getSize() const
Definition: WPXMemoryStream.h:49
Definition: WPXMemoryStream.h:30
virtual const unsigned char * read(unsigned long numBytes, unsigned long &numBytesRead)
Tries to read a given number of bytes starting from the current position inside the input stream...
Definition: WPXMemoryStream.cpp:43
unsigned long m_size
Definition: WPXMemoryStream.h:56
long m_offset
Definition: WPXMemoryStream.h:55
virtual long tell()
Returns the actual position inside the input stream.
Definition: WPXMemoryStream.cpp:91
WPXMemoryInputStream & operator=(const WPXMemoryInputStream &)
unsigned char * m_data
Definition: WPXMemoryStream.h:57
virtual bool atEOS()
Determines whether the current position is at the end of the stream.
Definition: WPXMemoryStream.cpp:96
virtual bool isOLEStream()
Analyses the content of the input stream to see whether it is an OLE2 storage.
Definition: WPXMemoryStream.h:36
virtual ~WPXMemoryInputStream()
Definition: WPXMemoryStream.cpp:39
Definition: WPXStream.h:36
virtual WPXInputStream * getDocumentOLEStream(const char *)
Extracts a PerfectOffice_MAIN stream from an OLE2 storage.
Definition: WPXMemoryStream.h:40
WPXMemoryInputStream(unsigned char *data, unsigned long size)
Definition: WPXMemoryStream.cpp:31
WPX_SEEK_TYPE
Definition: WPXStream.h:29

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