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