toolkit/crashreporter/google-breakpad/src/common/mac/SimpleStringDictionary.mm@129ffea94266
toolkit/crashreporter/google-breakpad/src/common/mac/SimpleStringDictionary.mm
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
1 // Copyright (c) 2007, Google Inc.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 // * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above
11 // copyright notice, this list of conditions and the following disclaimer
12 // in the documentation and/or other materials provided with the
13 // distribution.
14 // * Neither the name of Google Inc. nor the names of its
15 // contributors may be used to endorse or promote products derived from
16 // this software without specific prior written permission.
17 //
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 //
30 // SimpleStringDictionary.mm
31 // Simple string dictionary that does not allocate memory
32 //
34 #include <assert.h>
36 #import "SimpleStringDictionary.h"
38 namespace google_breakpad {
40 //==============================================================================
41 const KeyValueEntry *SimpleStringDictionary::GetEntry(int i) const {
42 return (i >= 0 && i < MAX_NUM_ENTRIES) ? &entries_[i] : NULL;
43 }
45 //==============================================================================
46 int SimpleStringDictionary::GetCount() const {
47 int count = 0;
48 for (int i = 0; i < MAX_NUM_ENTRIES; ++i) {
49 if (entries_[i].IsActive() ) {
50 ++count;
51 }
52 }
54 return count;
55 }
57 //==============================================================================
58 const char *SimpleStringDictionary::GetValueForKey(const char *key) const {
59 assert(key);
60 if (!key)
61 return NULL;
63 for (int i = 0; i < MAX_NUM_ENTRIES; ++i) {
64 const KeyValueEntry &entry = entries_[i];
65 if (entry.IsActive() && !strcmp(entry.GetKey(), key)) {
66 return entry.GetValue();
67 }
68 }
70 return NULL;
71 }
73 //==============================================================================
74 void SimpleStringDictionary::SetKeyValue(const char *key,
75 const char *value) {
76 if (!value) {
77 RemoveKey(key);
78 return;
79 }
81 // key must not be NULL
82 assert(key);
83 if (!key)
84 return;
86 // key must not be empty string
87 assert(key[0] != '\0');
88 if (key[0] == '\0')
89 return;
91 int free_index = -1;
93 // check if key already exists
94 for (int i = 0; i < MAX_NUM_ENTRIES; ++i) {
95 KeyValueEntry &entry = entries_[i];
97 if (entry.IsActive()) {
98 if (!strcmp(entry.GetKey(), key)) {
99 entry.SetValue(value);
100 return;
101 }
102 } else {
103 // Make a note of an empty slot
104 if (free_index == -1) {
105 free_index = i;
106 }
107 }
108 }
110 // check if we've run out of space
111 assert(free_index != -1);
113 // Put new key into an empty slot (if found)
114 if (free_index != -1) {
115 entries_[free_index].SetKeyValue(key, value);
116 }
117 }
119 //==============================================================================
120 void SimpleStringDictionary::RemoveKey(const char *key) {
121 assert(key);
122 if (!key)
123 return;
125 for (int i = 0; i < MAX_NUM_ENTRIES; ++i) {
126 if (!strcmp(entries_[i].GetKey(), key)) {
127 entries_[i].Clear();
128 return;
129 }
130 }
131 }
133 } // namespace google_breakpad
