| 89 | |
| 90 | template <typename Data> |
| 91 | [[nodiscard]] std::shared_ptr<Streaming::Reader> Streaming::sharedReader( |
| 92 | base::flat_map<not_null<Data*>, std::weak_ptr<Reader>> &readers, |
| 93 | not_null<Data*> data, |
| 94 | FileOrigin origin, |
| 95 | bool forceRemoteLoader) { |
| 96 | const auto i = readers.find(data); |
| 97 | if (i != end(readers)) { |
| 98 | if (auto result = i->second.lock()) { |
| 99 | if (!forceRemoteLoader || result->isRemoteLoader()) { |
| 100 | return result; |
| 101 | } |
| 102 | } |
| 103 | } |
| 104 | auto loader = data->createStreamingLoader(origin, forceRemoteLoader); |
| 105 | if (!loader) { |
| 106 | return nullptr; |
| 107 | } |
| 108 | auto result = std::make_shared<Reader>( |
| 109 | std::move(loader), |
| 110 | &_owner->cacheBigFile()); |
| 111 | if (!PruneDestroyedAndSet(readers, data, result)) { |
| 112 | readers.emplace_or_assign(data, result); |
| 113 | } |
| 114 | return result; |
| 115 | |
| 116 | } |
| 117 | |
| 118 | template <typename Data> |
| 119 | [[nodiscard]] std::shared_ptr<Streaming::Document> Streaming::sharedDocument( |
no test coverage detected