1 /*
2  * Copyright (c) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "frameworks/bridge/declarative_frontend/engine/functions/js_foreach_function.h"
17 
18 #include "frameworks/bridge/declarative_frontend/jsview/js_view.h"
19 
20 namespace OHOS::Ace::Framework {
21 
ExecuteIdentityMapper()22 std::vector<std::string> JsForEachFunction::ExecuteIdentityMapper()
23 {
24     std::vector<std::string> result;
25 
26     JSRef<JSVal> jsKeys;
27     if (!jsIdentityMapperFunc_.IsEmpty()) {
28         JSRef<JSVal> argv[] = { jsIdentityMapperFunc_.Lock() };
29         jsKeys = JsFunction::ExecuteJS(1, argv);
30         if (jsKeys.IsEmpty()) {
31             return result;
32         }
33     }
34 
35     JSRef<JSArray> jsKeysArr;
36     if (!jsKeys.IsEmpty()) {
37         if (jsKeys->IsArray()) {
38             jsKeysArr = JSRef<JSArray>::Cast(jsKeys);
39         }
40     } else {
41         jsKeysArr = JSRef<JSArray>::Cast(jsThis_.Lock());
42     }
43     int length = static_cast<int>(jsKeysArr->Length());
44 
45     for (int i = 0; i < length; i++) {
46         if (!jsKeys.IsEmpty()) {
47             JSRef<JSVal> jsKey = jsKeysArr->GetValueAt(i);
48 
49             if (!jsKey->IsString() && !jsKey->IsNumber()) {
50                 continue;
51             }
52 
53             std::string key(jsKey->ToString());
54             result.emplace_back(key.c_str());
55         } else {
56             result.emplace_back(std::to_string(i));
57         }
58     }
59 
60     return result;
61 }
62 
ExecuteBuilderForIndex(int32_t index)63 void JsForEachFunction::ExecuteBuilderForIndex(int32_t index)
64 {
65     // indexed item
66     JSRef<JSArray> jsArray = JSRef<JSArray>::Cast(jsThis_.Lock());
67     JSRef<JSVal> params[2];
68     params[0] = jsArray->GetValueAt(index);
69     params[1] = JSRef<JSVal>::Make(ToJSValue(index));
70     jsViewMapperFunc_.Lock()->Call(jsThis_.Lock(), 2, params);
71 }
72 
73 } // namespace OHOS::Ace::Framework
74