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| 1 /* | |
| 2 * Copyright 2004 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 #include "webrtc/base/fileutils.h" | |
| 12 | |
| 13 #include "webrtc/base/arraysize.h" | |
| 14 #include "webrtc/base/checks.h" | |
| 15 #include "webrtc/base/pathutils.h" | |
| 16 #include "webrtc/base/stringutils.h" | |
| 17 | |
| 18 #if defined(WEBRTC_WIN) | |
| 19 #include "webrtc/base/win32filesystem.h" | |
| 20 #else | |
| 21 #include "webrtc/base/unixfilesystem.h" | |
| 22 #endif | |
| 23 | |
| 24 #if !defined(WEBRTC_WIN) | |
| 25 #define MAX_PATH 260 | |
| 26 #endif | |
| 27 | |
| 28 namespace rtc { | |
| 29 | |
| 30 ////////////////////////// | |
| 31 // Directory Iterator // | |
| 32 ////////////////////////// | |
| 33 | |
| 34 // A DirectoryIterator is created with a given directory. It originally points | |
| 35 // to the first file in the directory, and can be advanecd with Next(). This | |
| 36 // allows you to get information about each file. | |
| 37 | |
| 38 // Constructor | |
| 39 DirectoryIterator::DirectoryIterator() | |
| 40 #ifdef WEBRTC_WIN | |
| 41 : handle_(INVALID_HANDLE_VALUE) { | |
| 42 #else | |
| 43 : dir_(nullptr), | |
| 44 dirent_(nullptr){ | |
| 45 #endif | |
| 46 } | |
| 47 | |
| 48 // Destructor | |
| 49 DirectoryIterator::~DirectoryIterator() { | |
| 50 #if defined(WEBRTC_WIN) | |
| 51 if (handle_ != INVALID_HANDLE_VALUE) | |
| 52 ::FindClose(handle_); | |
| 53 #else | |
| 54 if (dir_) | |
| 55 closedir(dir_); | |
| 56 #endif | |
| 57 } | |
| 58 | |
| 59 // Starts traversing a directory. | |
| 60 // dir is the directory to traverse | |
| 61 // returns true if the directory exists and is valid | |
| 62 bool DirectoryIterator::Iterate(const Pathname &dir) { | |
| 63 directory_ = dir.pathname(); | |
| 64 #if defined(WEBRTC_WIN) | |
| 65 if (handle_ != INVALID_HANDLE_VALUE) | |
| 66 ::FindClose(handle_); | |
| 67 std::string d = dir.pathname() + '*'; | |
| 68 handle_ = ::FindFirstFile(ToUtf16(d).c_str(), &data_); | |
| 69 if (handle_ == INVALID_HANDLE_VALUE) | |
| 70 return false; | |
| 71 #else | |
| 72 if (dir_ != nullptr) | |
| 73 closedir(dir_); | |
| 74 dir_ = ::opendir(directory_.c_str()); | |
| 75 if (dir_ == nullptr) | |
| 76 return false; | |
| 77 dirent_ = readdir(dir_); | |
| 78 if (dirent_ == nullptr) | |
| 79 return false; | |
| 80 | |
| 81 if (::stat(std::string(directory_ + Name()).c_str(), &stat_) != 0) | |
| 82 return false; | |
| 83 #endif | |
| 84 return true; | |
| 85 } | |
| 86 | |
| 87 // Advances to the next file | |
| 88 // returns true if there were more files in the directory. | |
| 89 bool DirectoryIterator::Next() { | |
| 90 #if defined(WEBRTC_WIN) | |
| 91 return ::FindNextFile(handle_, &data_) == TRUE; | |
| 92 #else | |
| 93 dirent_ = ::readdir(dir_); | |
| 94 if (dirent_ == nullptr) | |
| 95 return false; | |
| 96 | |
| 97 return ::stat(std::string(directory_ + Name()).c_str(), &stat_) == 0; | |
| 98 #endif | |
| 99 } | |
| 100 | |
| 101 // returns true if the file currently pointed to is a directory | |
| 102 bool DirectoryIterator::IsDirectory() const { | |
| 103 #if defined(WEBRTC_WIN) | |
| 104 return (data_.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != FALSE; | |
| 105 #else | |
| 106 return S_ISDIR(stat_.st_mode); | |
| 107 #endif | |
| 108 } | |
| 109 | |
| 110 // returns the name of the file currently pointed to | |
| 111 std::string DirectoryIterator::Name() const { | |
| 112 #if defined(WEBRTC_WIN) | |
| 113 return ToUtf8(data_.cFileName); | |
| 114 #else | |
| 115 RTC_DCHECK(dirent_); | |
| 116 return dirent_->d_name; | |
| 117 #endif | |
| 118 } | |
| 119 | |
| 120 FilesystemInterface* Filesystem::default_filesystem_ = nullptr; | |
| 121 | |
| 122 FilesystemInterface *Filesystem::EnsureDefaultFilesystem() { | |
| 123 if (!default_filesystem_) { | |
| 124 #if defined(WEBRTC_WIN) | |
| 125 default_filesystem_ = new Win32Filesystem(); | |
| 126 #else | |
| 127 default_filesystem_ = new UnixFilesystem(); | |
| 128 #endif | |
| 129 } | |
| 130 return default_filesystem_; | |
| 131 } | |
| 132 | |
| 133 } // namespace rtc | |
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Chromium Code Reviews
Issue 2877023002:
Move webrtc/{base => rtc_base} (Closed)
