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1 /* | 1 /* |
2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #include "webrtc/base/fileutils.h" | 11 #include "webrtc/base/fileutils.h" |
12 | 12 |
13 #include "webrtc/base/arraysize.h" | 13 #include "webrtc/base/arraysize.h" |
14 #include "webrtc/base/checks.h" | 14 #include "webrtc/base/checks.h" |
15 #include "webrtc/base/pathutils.h" | 15 #include "webrtc/base/pathutils.h" |
16 #include "webrtc/base/stringutils.h" | 16 #include "webrtc/base/stringutils.h" |
17 | 17 |
18 #if defined(WEBRTC_WIN) | 18 #if defined(WEBRTC_WIN) |
19 #include "webrtc/base/win32filesystem.h" | 19 #include "webrtc/base/win32filesystem.h" |
20 #else | 20 #else |
21 #include "webrtc/base/unixfilesystem.h" | 21 #include "webrtc/base/unixfilesystem.h" |
22 #endif | 22 #endif |
23 | 23 |
24 #if !defined(WEBRTC_WIN) | 24 #if !defined(WEBRTC_WIN) |
25 #define MAX_PATH 260 | 25 #define MAX_PATH 260 |
26 #endif | 26 #endif |
27 | 27 |
28 namespace rtc { | 28 namespace rtc { |
29 | 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; | 30 FilesystemInterface* Filesystem::default_filesystem_ = nullptr; |
121 | 31 |
122 FilesystemInterface *Filesystem::EnsureDefaultFilesystem() { | 32 FilesystemInterface *Filesystem::EnsureDefaultFilesystem() { |
123 if (!default_filesystem_) { | 33 if (!default_filesystem_) { |
124 #if defined(WEBRTC_WIN) | 34 #if defined(WEBRTC_WIN) |
125 default_filesystem_ = new Win32Filesystem(); | 35 default_filesystem_ = new Win32Filesystem(); |
126 #else | 36 #else |
127 default_filesystem_ = new UnixFilesystem(); | 37 default_filesystem_ = new UnixFilesystem(); |
128 #endif | 38 #endif |
129 } | 39 } |
130 return default_filesystem_; | 40 return default_filesystem_; |
131 } | 41 } |
132 | 42 |
133 } // namespace rtc | 43 } // namespace rtc |
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