2 Copyright (c) 2001, Loki software, inc.
5 Redistribution and use in source and binary forms, with or without modification,
6 are permitted provided that the following conditions are met:
8 Redistributions of source code must retain the above copyright notice, this list
9 of conditions and the following disclaimer.
11 Redistributions in binary form must reproduce the above copyright notice, this
12 list of conditions and the following disclaimer in the documentation and/or
13 other materials provided with the distribution.
15 Neither the name of Loki software nor the names of its contributors may be used
16 to endorse or promote products derived from this software without specific prior
19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
20 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
23 DIRECT,INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 ////////////////////////////////////////////////////
40 class MemStream : public IDataStream
44 MemStream(unsigned long nLen);
48 void IncRef() { refCount++; }
49 void DecRef() { refCount--; if (refCount <= 0) delete this; }
53 unsigned long m_nGrowBytes;
54 unsigned long m_nPosition;
55 unsigned long m_nBufferSize;
56 unsigned long m_nFileSize;
57 unsigned char* m_pBuffer;
59 void GrowFile(unsigned long nNewLen);
62 unsigned long GetPosition() const;
63 unsigned long Seek(long lOff, int nFrom);
64 void SetLength(unsigned long nNewLen);
65 unsigned long GetLength() const;
67 unsigned char* GetBuffer () const
70 char* ReadString(char* pBuf, unsigned long nMax);
71 unsigned long Read(void* pBuf, unsigned long nCount);
72 unsigned long Write(const void* pBuf, unsigned long nCount);
76 void printf(const char*, ...); ///< \todo implement on MemStream
81 bool Open(const char *filename, const char *mode);
84 class FileStream : public IDataStream
88 virtual ~FileStream();
91 void IncRef() { refCount++; }
92 void DecRef() { refCount--; if (refCount <= 0) delete this; }
97 bool m_bCloseOnDelete;
100 unsigned long GetPosition() const;
101 unsigned long Seek(long lOff, int nFrom);
102 void SetLength(unsigned long nNewLen);
103 unsigned long GetLength() const;
105 char* ReadString(char* pBuf, unsigned long nMax);
106 unsigned long Read(void* pBuf, unsigned long nCount);
107 unsigned long Write(const void* pBuf, unsigned long nCount);
111 void printf(const char*, ...); ///< completely matches the usual printf behaviour
116 bool Open(const char *filename, const char *mode);