1 | // Copyright 2013 The Flutter Authors. All rights reserved. |
2 | // Use of this source code is governed by a BSD-style license that can be |
3 | // found in the LICENSE file. |
4 | |
5 | #include "tonic/dart_class_library.h" |
6 | |
7 | #include "tonic/common/macros.h" |
8 | #include "tonic/dart_wrapper_info.h" |
9 | |
10 | namespace tonic { |
11 | |
12 | DartClassLibrary::DartClassLibrary() {} |
13 | |
14 | DartClassLibrary::~DartClassLibrary() { |
15 | // Note that we don't need to delete these persistent handles because this |
16 | // object lives as long as the isolate. The handles will get deleted when the |
17 | // isolate dies. |
18 | } |
19 | |
20 | Dart_PersistentHandle DartClassLibrary::GetClass(const DartWrapperInfo& info) { |
21 | const auto& result = info_cache_.insert(std::make_pair(&info, nullptr)); |
22 | if (!result.second) { |
23 | // Already present, return value. |
24 | return result.first->second; |
25 | } |
26 | return GetAndCacheClass(info.library_name, info.interface_name, |
27 | &result.first->second); |
28 | } |
29 | |
30 | Dart_PersistentHandle DartClassLibrary::GetClass( |
31 | const std::string& library_name, |
32 | const std::string& interface_name) { |
33 | auto key = std::make_pair(library_name, interface_name); |
34 | const auto& result = name_cache_.insert(std::make_pair(key, nullptr)); |
35 | if (!result.second) { |
36 | // Already present, return value. |
37 | return result.first->second; |
38 | } |
39 | return GetAndCacheClass(library_name.c_str(), interface_name.c_str(), |
40 | &result.first->second); |
41 | } |
42 | |
43 | Dart_PersistentHandle DartClassLibrary::GetAndCacheClass( |
44 | const char* library_name, |
45 | const char* interface_name, |
46 | Dart_PersistentHandle* cache_slot) { |
47 | auto it = providers_.find(library_name); |
48 | TONIC_DCHECK(it != providers_.end()); |
49 | |
50 | Dart_Handle class_handle = it->second->GetClassByName(interface_name); |
51 | *cache_slot = Dart_NewPersistentHandle(class_handle); |
52 | return *cache_slot; |
53 | } |
54 | |
55 | } // namespace tonic |
56 | |