tfilestream.h
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1 /***************************************************************************
2  copyright : (C) 2002 - 2008 by Scott Wheeler
3  email : wheeler@kde.org
4  ***************************************************************************/
5 
6 /***************************************************************************
7  * This library is free software; you can redistribute it and/or modify *
8  * it under the terms of the GNU Lesser General Public License version *
9  * 2.1 as published by the Free Software Foundation. *
10  * *
11  * This library is distributed in the hope that it will be useful, but *
12  * WITHOUT ANY WARRANTY; without even the implied warranty of *
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
14  * Lesser General Public License for more details. *
15  * *
16  * You should have received a copy of the GNU Lesser General Public *
17  * License along with this library; if not, write to the Free Software *
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
19  * 02110-1301 USA *
20  * *
21  * Alternatively, this file is available under the Mozilla Public *
22  * License Version 1.1. You may obtain a copy of the License at *
23  * http://www.mozilla.org/MPL/ *
24  ***************************************************************************/
25 
26 #ifndef TAGLIB_FILESTREAM_H
27 #define TAGLIB_FILESTREAM_H
28 
29 #include "taglib_export.h"
30 #include "taglib.h"
31 #include "tbytevector.h"
32 #include "tiostream.h"
33 
34 namespace TagLib {
35 
36  class String;
37  class Tag;
38  class AudioProperties;
39 
41 
49  {
50  public:
55  FileStream(FileName file, bool openReadOnly = false);
56 
60  virtual ~FileStream();
61 
65  FileName name() const;
66 
70  ByteVector readBlock(ulong length);
71 
81  void writeBlock(const ByteVector &data);
82 
90  void insert(const ByteVector &data, ulong start = 0, ulong replace = 0);
91 
99  void removeBlock(ulong start = 0, ulong length = 0);
100 
104  bool readOnly() const;
105 
110  bool isOpen() const;
111 
118  void seek(long offset, Position p = Beginning);
119 
123  void clear();
124 
128  long tell() const;
129 
133  long length();
134 
138  void truncate(long length);
139 
140  protected:
141 
145  static uint bufferSize();
146 
147  private:
148  class FileStreamPrivate;
149  FileStreamPrivate *d;
150  };
151 
152 }
153 
154 #endif