1 /* 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_FILE_IMPL_H_ 12 #define WEBRTC_SYSTEM_WRAPPERS_SOURCE_FILE_IMPL_H_ 13 14 #include "file_wrapper.h" 15 16 #include <stdio.h> 17 18 namespace webrtc { 19 20 class FileWrapperImpl : public FileWrapper 21 { 22 public: 23 FileWrapperImpl(); 24 virtual ~FileWrapperImpl(); 25 26 virtual int FileName(char* fileNameUTF8, 27 size_t size) const; 28 29 virtual bool Open() const; 30 31 virtual int OpenFile(const char* fileNameUTF8, 32 bool readOnly, 33 bool loop = false, 34 bool text = false); 35 36 virtual int CloseFile(); 37 virtual int SetMaxFileSize(size_t bytes); 38 virtual int Flush(); 39 40 virtual int Read(void* buf, int length); 41 virtual bool Write(const void *buf, int length); 42 virtual int WriteText(const char* format, ...); 43 virtual int Rewind(); 44 45 private: 46 FILE* _id; 47 bool _open; 48 bool _looping; 49 bool _readOnly; 50 size_t _maxSizeInBytes; // -1 indicates file size limitation is off 51 size_t _sizeInBytes; 52 char _fileNameUTF8[kMaxFileNameSize]; 53 }; 54 55 } // namespace webrtc 56 57 #endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_FILE_IMPL_H_ 58