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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "dbus/string_util.h" | 5 #include "dbus/string_util.h" |
6 | 6 |
7 #include "base/strings/string_util.h" | 7 #include "base/strings/string_util.h" |
8 | 8 |
9 namespace dbus { | 9 namespace dbus { |
10 | 10 |
| 11 // This implementation is based upon D-Bus Specification Version 0.19. |
11 bool IsValidObjectPath(const std::string& value) { | 12 bool IsValidObjectPath(const std::string& value) { |
12 // This implementation is based upon D-Bus Specification Version 0.19. | |
13 | |
14 const bool kCaseSensitive = true; | |
15 | |
16 // A valid object path begins with '/'. | 13 // A valid object path begins with '/'. |
17 if (!base::StartsWithASCII(value, "/", kCaseSensitive)) | 14 if (!base::StartsWith(value, "/", base::CompareCase::SENSITIVE)) |
18 return false; | 15 return false; |
19 | 16 |
20 // Elements are pieces delimited by '/'. For instance, "org", "chromium", | 17 // Elements are pieces delimited by '/'. For instance, "org", "chromium", |
21 // "Foo" are elements of "/org/chromium/Foo". | 18 // "Foo" are elements of "/org/chromium/Foo". |
22 int element_length = 0; | 19 int element_length = 0; |
23 for (size_t i = 1; i < value.size(); ++i) { | 20 for (size_t i = 1; i < value.size(); ++i) { |
24 const char c = value[i]; | 21 const char c = value[i]; |
25 if (c == '/') { | 22 if (c == '/') { |
26 // No element may be the empty string. | 23 // No element may be the empty string. |
27 if (element_length == 0) | 24 if (element_length == 0) |
28 return false; | 25 return false; |
29 element_length = 0; | 26 element_length = 0; |
30 } else { | 27 } else { |
31 // Each element must only contain "[A-Z][a-z][0-9]_". | 28 // Each element must only contain "[A-Z][a-z][0-9]_". |
32 const bool is_valid_character = | 29 const bool is_valid_character = |
33 ('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z') || | 30 ('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z') || |
34 ('0' <= c && c <= '9') || c == '_'; | 31 ('0' <= c && c <= '9') || c == '_'; |
35 if (!is_valid_character) | 32 if (!is_valid_character) |
36 return false; | 33 return false; |
37 element_length++; | 34 element_length++; |
38 } | 35 } |
39 } | 36 } |
40 | 37 |
41 // A trailing '/' character is not allowed unless the path is the root path. | 38 // A trailing '/' character is not allowed unless the path is the root path. |
42 if (value.size() > 1 && base::EndsWith(value, "/", kCaseSensitive)) | 39 if (value.size() > 1 && |
| 40 base::EndsWith(value, "/", base::CompareCase::SENSITIVE)) |
43 return false; | 41 return false; |
44 | 42 |
45 return true; | 43 return true; |
46 } | 44 } |
47 | 45 |
48 } // namespace dbus | 46 } // namespace dbus |
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