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Side by Side Diff: net/quic/quic_utils_chromium.h

Issue 266243004: Clang format slam. Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 7 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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 // Some helpers for quic that are for chromium codebase. 5 // Some helpers for quic that are for chromium codebase.
6 6
7 #ifndef NET_QUIC_QUIC_UTILS_CHROMIUM_H_ 7 #ifndef NET_QUIC_QUIC_UTILS_CHROMIUM_H_
8 #define NET_QUIC_QUIC_UTILS_CHROMIUM_H_ 8 #define NET_QUIC_QUIC_UTILS_CHROMIUM_H_
9 9
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
(...skipping 14 matching lines...) Expand all
25 // operator[] for lookup is discouraged for several reasons: 25 // operator[] for lookup is discouraged for several reasons:
26 // * It has a side-effect of inserting missing keys 26 // * It has a side-effect of inserting missing keys
27 // * It is not thread-safe (even when it is not inserting, it can still 27 // * It is not thread-safe (even when it is not inserting, it can still
28 // choose to resize the underlying storage) 28 // choose to resize the underlying storage)
29 // * It invalidates iterators (when it chooses to resize) 29 // * It invalidates iterators (when it chooses to resize)
30 // * It default constructs a value object even if it doesn't need to 30 // * It default constructs a value object even if it doesn't need to
31 // 31 //
32 // This version assumes the key is printable, and includes it in the fatal log 32 // This version assumes the key is printable, and includes it in the fatal log
33 // message. 33 // message.
34 template <class Collection> 34 template <class Collection>
35 const typename Collection::value_type::second_type& 35 const typename Collection::value_type::second_type& FindOrDie(
36 FindOrDie(const Collection& collection, 36 const Collection& collection,
37 const typename Collection::value_type::first_type& key) { 37 const typename Collection::value_type::first_type& key) {
38 typename Collection::const_iterator it = collection.find(key); 38 typename Collection::const_iterator it = collection.find(key);
39 CHECK(it != collection.end()) << "Map key not found: " << key; 39 CHECK(it != collection.end()) << "Map key not found: " << key;
40 return it->second; 40 return it->second;
41 } 41 }
42 42
43 // Same as above, but returns a non-const reference. 43 // Same as above, but returns a non-const reference.
44 template <class Collection> 44 template <class Collection>
45 typename Collection::value_type::second_type& 45 typename Collection::value_type::second_type& FindOrDie(
46 FindOrDie(Collection& collection, // NOLINT 46 Collection& collection, // NOLINT
47 const typename Collection::value_type::first_type& key) { 47 const typename Collection::value_type::first_type& key) {
48 typename Collection::iterator it = collection.find(key); 48 typename Collection::iterator it = collection.find(key);
49 CHECK(it != collection.end()) << "Map key not found: " << key; 49 CHECK(it != collection.end()) << "Map key not found: " << key;
50 return it->second; 50 return it->second;
51 } 51 }
52 52
53 // Returns a pointer to the const value associated with the given key if it 53 // Returns a pointer to the const value associated with the given key if it
54 // exists, or NULL otherwise. 54 // exists, or NULL otherwise.
55 template <class Collection> 55 template <class Collection>
56 const typename Collection::value_type::second_type* 56 const typename Collection::value_type::second_type* FindOrNull(
57 FindOrNull(const Collection& collection, 57 const Collection& collection,
58 const typename Collection::value_type::first_type& key) { 58 const typename Collection::value_type::first_type& key) {
59 typename Collection::const_iterator it = collection.find(key); 59 typename Collection::const_iterator it = collection.find(key);
60 if (it == collection.end()) { 60 if (it == collection.end()) {
61 return 0; 61 return 0;
62 } 62 }
63 return &it->second; 63 return &it->second;
64 } 64 }
65 65
66 // Same as above but returns a pointer to the non-const value. 66 // Same as above but returns a pointer to the non-const value.
67 template <class Collection> 67 template <class Collection>
68 typename Collection::value_type::second_type* 68 typename Collection::value_type::second_type* FindOrNull(
69 FindOrNull(Collection& collection, // NOLINT 69 Collection& collection, // NOLINT
70 const typename Collection::value_type::first_type& key) { 70 const typename Collection::value_type::first_type& key) {
71 typename Collection::iterator it = collection.find(key); 71 typename Collection::iterator it = collection.find(key);
72 if (it == collection.end()) { 72 if (it == collection.end()) {
73 return 0; 73 return 0;
74 } 74 }
75 return &it->second; 75 return &it->second;
76 } 76 }
77 77
78 } // namespace net 78 } // namespace net
79 79
80 #endif // NET_QUIC_QUIC_UTILS_CHROMIUM_H_ 80 #endif // NET_QUIC_QUIC_UTILS_CHROMIUM_H_
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