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Delta Between Two Patch Sets: compiled/storage/FilterStorage.cpp

Issue 29426559: Issue 5137 - [emscripten] Added basic filter storage implementation (Closed) Base URL: https://hg.adblockplus.org/adblockpluscore
Left Patch Set: Rebased Created May 10, 2017, 12:36 p.m.
Right Patch Set: Fixed bogus assert Created Aug. 31, 2017, 12:44 p.m.
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1 /* 1 /*
2 * This file is part of Adblock Plus <https://adblockplus.org/>, 2 * This file is part of Adblock Plus <https://adblockplus.org/>,
3 * Copyright (C) 2006-2017 eyeo GmbH 3 * Copyright (C) 2006-present eyeo GmbH
4 * 4 *
5 * Adblock Plus is free software: you can redistribute it and/or modify 5 * Adblock Plus is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 3 as 6 * it under the terms of the GNU General Public License version 3 as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
8 * 8 *
9 * Adblock Plus is distributed in the hope that it will be useful, 9 * Adblock Plus is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details. 12 * GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. 15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
16 */ 16 */
17 17
18 #include <vector> 18 #include <vector>
19 19
20 #include "FilterStorage.h" 20 #include "FilterStorage.h"
21 #include "../filter/Filter.h" 21 #include "../filter/Filter.h"
22 #include "../subscription/UserDefinedSubscription.h" 22 #include "../subscription/UserDefinedSubscription.h"
23 #include "../FilterNotifier.h" 23 #include "../FilterNotifier.h"
24 24
25 namespace 25 FilterStorage* FilterStorage::mInstance = new FilterStorage();
26
27 FilterStorage::Subscriptions::size_type FilterStorage::GetSubscriptionCount() co nst
26 { 28 {
27 std::vector<SubscriptionPtr> subscriptions; 29 return mSubscriptions.size();
28 } 30 }
29 31
30 unsigned int FilterStorage::GetSubscriptionCount() 32 Subscription* FilterStorage::SubscriptionAt(FilterStorage::Subscriptions::size_t ype index) const
31 { 33 {
32 return subscriptions.size(); 34 if (index >= mSubscriptions.size())
33 }
34
35 Subscription* FilterStorage::SubscriptionAt(unsigned int index)
36 {
37 if (index >= subscriptions.size())
38 return nullptr; 35 return nullptr;
39 36
40 SubscriptionPtr result(subscriptions[index]); 37 SubscriptionPtr result(mSubscriptions[index]);
41 return result.release(); 38 return result.release();
42 } 39 }
43 40
44 int FilterStorage::IndexOfSubscription(const Subscription* subscription) 41 int FilterStorage::IndexOfSubscription(const Subscription* subscription) const
45 { 42 {
46 for (unsigned int i = 0; i < subscriptions.size(); i++) 43 for (Subscriptions::size_type i = 0; i < mSubscriptions.size(); i++)
47 if (subscriptions[i] == subscription) 44 if (mSubscriptions[i] == subscription)
48 return i; 45 return i;
49 return -1; 46 return -1;
50 } 47 }
51 48
52 Subscription* FilterStorage::GetSubscriptionForFilter(const Filter* filter) 49 Subscription* FilterStorage::GetSubscriptionForFilter(const Filter* filter) cons t
53 { 50 {
54 SubscriptionPtr fallback; 51 SubscriptionPtr fallback;
55 52
56 for (auto& subscription : subscriptions) 53 for (Subscriptions::size_type i = 0; i < mSubscriptions.size(); i++)
57 { 54 {
55 SubscriptionPtr subscription(mSubscriptions[i]);
58 UserDefinedSubscription* userDefinedSubscription = 56 UserDefinedSubscription* userDefinedSubscription =
59 subscription->As<UserDefinedSubscription>(); 57 subscription->As<UserDefinedSubscription>();
60 if (userDefinedSubscription && !userDefinedSubscription->GetDisabled() && 58 if (userDefinedSubscription && !userDefinedSubscription->GetDisabled() &&
61 userDefinedSubscription->IsDefaultFor(filter)) 59 userDefinedSubscription->IsDefaultFor(filter))
62 { 60 {
63 SubscriptionPtr result(subscription); 61 SubscriptionPtr result(subscription);
64 return result.release(); 62 return result.release();
65 } 63 }
66 else if (!fallback && userDefinedSubscription && 64 else if (!fallback && userDefinedSubscription &&
67 userDefinedSubscription->IsGeneric()) 65 userDefinedSubscription->IsGeneric())
68 { 66 {
69 fallback = subscription; 67 fallback = subscription;
70 } 68 }
71 } 69 }
72 70
73 return fallback.release(); 71 return fallback.release();
74 } 72 }
75 73
76 bool FilterStorage::AddSubscription(Subscription* subscription) 74 bool FilterStorage::AddSubscription(Subscription* subscription)
77 { 75 {
78 assert(subscription, u"Attempt to add a null subscription"_str); 76 assert(subscription, u"Attempt to add a null subscription"_str);
79 77
80 if (!subscription || subscription->GetListed()) 78 if (!subscription || subscription->GetListed())
81 return false; 79 return false;
82 80
83 subscriptions.emplace_back(subscription); 81 mSubscriptions.emplace_back(subscription);
84 subscription->SetListed(true); 82 subscription->SetListed(true);
85 83
86 FilterNotifier::SubscriptionChange( 84 FilterNotifier::SubscriptionChange(
87 FilterNotifier::Topic::SUBSCRIPTION_ADDED, 85 FilterNotifier::Topic::SUBSCRIPTION_ADDED,
88 subscription 86 subscription
89 ); 87 );
90 return true; 88 return true;
91 } 89 }
92 90
93 bool FilterStorage::RemoveSubscription(Subscription* subscription) 91 bool FilterStorage::RemoveSubscription(Subscription* subscription)
94 { 92 {
95 assert(subscription, u"Attempt to remove a null subscription"_str); 93 assert(subscription, u"Attempt to remove a null subscription"_str);
96 94
97 if (!subscription || !subscription->GetListed()) 95 if (!subscription || !subscription->GetListed())
98 return false; 96 return false;
99 97
100 for (auto it = subscriptions.begin(); it != subscriptions.end(); ++it) 98 for (auto it = mSubscriptions.begin(); it != mSubscriptions.end(); ++it)
101 { 99 {
102 if (*it == subscription) 100 if (*it == subscription)
103 { 101 {
104 subscriptions.erase(it); 102 mSubscriptions.erase(it);
105 break; 103 break;
106 } 104 }
107 } 105 }
108 subscription->SetListed(false); 106 subscription->SetListed(false);
109 107
110 FilterNotifier::SubscriptionChange( 108 FilterNotifier::SubscriptionChange(
111 FilterNotifier::Topic::SUBSCRIPTION_REMOVED, 109 FilterNotifier::Topic::SUBSCRIPTION_REMOVED,
112 subscription 110 subscription
113 ); 111 );
114 return true; 112 return true;
115 } 113 }
116 114
117 bool FilterStorage::MoveSubscription(Subscription* subscription, 115 bool FilterStorage::MoveSubscription(Subscription* subscription,
118 const Subscription* insertBefore) 116 const Subscription* insertBefore)
119 { 117 {
120 assert(subscription, u"Attempt to move a null subscription"_str); 118 assert(subscription, u"Attempt to move a null subscription"_str);
121 119
122 int oldPos = IndexOfSubscription(subscription); 120 int oldPos = IndexOfSubscription(subscription);
121 assert(oldPos >= 0, u"Attempt to move a subscription that is not in the list"_ str);
123 if (oldPos == -1) 122 if (oldPos == -1)
124 return false; 123 return false;
125 124
126 int newPos = -1; 125 int newPos = -1;
127 if (insertBefore) 126 if (insertBefore)
128 newPos = IndexOfSubscription(insertBefore); 127 newPos = IndexOfSubscription(insertBefore);
129 if (newPos == -1) 128 if (newPos == -1)
130 newPos = subscriptions.size(); 129 newPos = mSubscriptions.size();
131 130
132 if (newPos > oldPos) 131 if (newPos > oldPos)
133 newPos--; 132 newPos--;
134 133
135 if (newPos == oldPos) 134 if (newPos == oldPos)
136 return false; 135 return false;
137 136
138 subscriptions.erase(subscriptions.begin() + oldPos); 137 mSubscriptions.erase(mSubscriptions.begin() + oldPos);
139 subscriptions.emplace(subscriptions.begin() + newPos, subscription); 138 mSubscriptions.emplace(mSubscriptions.begin() + newPos, subscription);
140 139
141 FilterNotifier::SubscriptionChange( 140 FilterNotifier::SubscriptionChange(
142 FilterNotifier::Topic::SUBSCRIPTION_MOVED, 141 FilterNotifier::Topic::SUBSCRIPTION_MOVED,
143 subscription 142 subscription
144 ); 143 );
145 return true; 144 return true;
146 } 145 }
LEFTRIGHT

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