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 "quickjs_native_array.h"
17 #include "native_engine/native_engine.h"
18 #include "quickjs_headers.h"
19
QuickJSNativeArray(QuickJSNativeEngine * engine,JSValue value)20 QuickJSNativeArray::QuickJSNativeArray(QuickJSNativeEngine* engine, JSValue value) : QuickJSNativeObject(engine, value)
21 {
22 }
23
QuickJSNativeArray(QuickJSNativeEngine * engine,uint32_t length)24 QuickJSNativeArray::QuickJSNativeArray(QuickJSNativeEngine* engine, uint32_t length)
25 : QuickJSNativeArray(engine, JS_NULL)
26 {
27 value_ = JS_NewArray(engine_->GetContext());
28 JSValue jsLength = JS_NewInt32(engine_->GetContext(), length);
29 if (length != 0) {
30 JS_SetPropertyStr(engine_->GetContext(), value_, "length", jsLength);
31 }
32 JS_FreeValue(engine_->GetContext(), jsLength);
33 }
34
~QuickJSNativeArray()35 QuickJSNativeArray::~QuickJSNativeArray() {}
36
GetInterface(int interfaceId)37 void* QuickJSNativeArray::GetInterface(int interfaceId)
38 {
39 return (NativeArray::INTERFACE_ID == interfaceId) ? (NativeArray*)this
40 : QuickJSNativeObject::GetInterface(interfaceId);
41 }
42
SetElement(uint32_t index,NativeValue * value)43 bool QuickJSNativeArray::SetElement(uint32_t index, NativeValue* value)
44 {
45 return JS_SetPropertyUint32(engine_->GetContext(), value_, index, JS_DupValue(engine_->GetContext(), *value));
46 }
47
GetElement(uint32_t index)48 NativeValue* QuickJSNativeArray::GetElement(uint32_t index)
49 {
50 JSValue value = JS_UNDEFINED;
51 value = JS_GetPropertyUint32(engine_->GetContext(), value_, index);
52 return QuickJSNativeEngine::JSValueToNativeValue(engine_, value);
53 }
54
HasElement(uint32_t index)55 bool QuickJSNativeArray::HasElement(uint32_t index)
56 {
57 bool result = false;
58 JSAtom key = JS_NewAtomUInt32(engine_->GetContext(), index);
59 result = JS_HasProperty(engine_->GetContext(), value_, key);
60 JS_FreeAtom(engine_->GetContext(), key);
61 return result;
62 }
63
DeleteElement(uint32_t index)64 bool QuickJSNativeArray::DeleteElement(uint32_t index)
65 {
66 bool result = false;
67 JSAtom spliceKey = JS_NewAtom(engine_->GetContext(), "splice");
68 JSValue params[] = { JS_NewInt32(engine_->GetContext(), index), JS_NewInt32(engine_->GetContext(), 0) };
69 JSValue spliceResult = JS_Invoke(engine_->GetContext(), value_, spliceKey, 2, params);
70
71 if (!JS_IsNull(spliceResult) && !JS_IsUndefined(spliceResult)) {
72 JS_FreeValue(engine_->GetContext(), value_);
73 value_ = spliceResult;
74 result = true;
75 }
76 JS_FreeAtom(engine_->GetContext(), spliceKey);
77 return result;
78 }
79
GetLength()80 uint32_t QuickJSNativeArray::GetLength()
81 {
82 JSValue jsLength = JS_GetPropertyStr(engine_->GetContext(), value_, "length");
83 uint32_t cLength = 0;
84 JS_ToUint32(engine_->GetContext(), &cLength, jsLength);
85 JS_FreeValue(engine_->GetContext(), jsLength);
86
87 return cLength;
88 }
89