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FileReader.h
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1 
2 // Copyright (c) 2009-2014 Alan Wright. All rights reserved.
3 // Distributable under the terms of either the Apache License (Version 2.0)
4 // or the GNU Lesser General Public License.
6 
7 #ifndef FILEREADER_H
8 #define FILEREADER_H
9 
10 #include "Reader.h"
11 
12 namespace Lucene {
13 
15 class LPPAPI FileReader : public Reader {
16 public:
18  FileReader(const String& fileName);
19  virtual ~FileReader();
20 
22 
23 protected:
24  ifstreamPtr file;
25  int64_t _length;
26  ByteArray fileBuffer;
27 
28 public:
29  static const int32_t FILE_EOF;
30  static const int32_t FILE_ERROR;
31 
32 public:
34  virtual int32_t read();
35 
37  virtual int32_t read(wchar_t* buffer, int32_t offset, int32_t length);
38 
40  virtual void close();
41 
43  virtual bool markSupported();
44 
46  virtual void reset();
47 
49  virtual int64_t length();
50 };
51 
52 }
53 
54 #endif

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