src/apps/mediaplayer/support/FileReadWrite.h

   1 /*
   2  * Copyright 2008, Haiku. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Michael Pfeiffer        <laplace@users.sourceforge.net>
   7  *              Fredrik Modéen         <fredrik@modeen.se>
   8  */
   9 #ifndef FILE_READ_WRITE_H
  10 #define FILE_READ_WRITE_H
  11
  12 #include <stdio.h>
  13 #include <File.h>
  14 #include <String.h>
  15
  16
  17 class FileReadWrite {
  18 public:
  19                                                                 FileReadWrite(BFile* file,
  20                                                                         int32 sourceEncoding = -1);
  21                                                                         // -1 means "default" encoding
  22                         bool                            Next(BString& string);
  23                         status_t                        Write(const BString& contents) const;
  24                         void                            SetEncoding(int32 sourceEncoding);
  25                         uint32                          GetEncoding() const;
  26
  27 private:
  28                         BFile*                          fFile;
  29                         int32                           fSourceEncoding;
  30                         char                            fBuffer[4096];
  31                         off_t                           fPositionInBuffer;
  32                         ssize_t                         fAmtRead;
  33 };
  34
  35 #endif //FILE_READ_WRITE_H