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 <stdio.h> 15 16 #include "webrtc/system_wrappers/interface/file_wrapper.h" 17 #include "webrtc/system_wrappers/interface/scoped_ptr.h" 18 19 namespace webrtc { 20 21 class RWLockWrapper; 22 23 class FileWrapperImpl : public FileWrapper { 24 public: 25 FileWrapperImpl(); 26 virtual ~FileWrapperImpl(); 27 28 virtual int FileName(char* file_name_utf8, 29 size_t size) const OVERRIDE; 30 31 virtual bool Open() const OVERRIDE; 32 33 virtual int OpenFile(const char* file_name_utf8, 34 bool read_only, 35 bool loop = false, 36 bool text = false) OVERRIDE; 37 38 virtual int OpenFromFileHandle(FILE* handle, 39 bool manage_file, 40 bool read_only, 41 bool loop = false) OVERRIDE; 42 43 virtual int CloseFile() OVERRIDE; 44 virtual int SetMaxFileSize(size_t bytes) OVERRIDE; 45 virtual int Flush() OVERRIDE; 46 47 virtual int Read(void* buf, int length) OVERRIDE; 48 virtual bool Write(const void* buf, int length) OVERRIDE; 49 virtual int WriteText(const char* format, ...) OVERRIDE; 50 virtual int Rewind() OVERRIDE; 51 52 private: 53 int CloseFileImpl(); 54 int FlushImpl(); 55 56 scoped_ptr<RWLockWrapper> rw_lock_; 57 58 FILE* id_; 59 bool managed_file_handle_; 60 bool open_; 61 bool looping_; 62 bool read_only_; 63 size_t max_size_in_bytes_; // -1 indicates file size limitation is off 64 size_t size_in_bytes_; 65 char file_name_utf8_[kMaxFileNameSize]; 66 }; 67 68 } // namespace webrtc 69 70 #endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_FILE_IMPL_H_ 71
