OLD | NEW |
| (Empty) |
1 // Copyright 2014 PDFium 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 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
6 | |
7 #include "fxjse/include/cfxjse_arguments.h" | |
8 #include "fxjse/include/cfxjse_class.h" | |
9 #include "fxjse/include/cfxjse_value.h" | |
10 | |
11 static void FXJSE_DynPropGetterAdapter_MethodCallback( | |
12 const v8::FunctionCallbackInfo<v8::Value>& info) { | |
13 v8::Local<v8::Object> hCallBackInfo = info.Data().As<v8::Object>(); | |
14 FXJSE_CLASS_DESCRIPTOR* lpClass = static_cast<FXJSE_CLASS_DESCRIPTOR*>( | |
15 hCallBackInfo->GetAlignedPointerFromInternalField(0)); | |
16 v8::Local<v8::String> hPropName = | |
17 hCallBackInfo->GetInternalField(1).As<v8::String>(); | |
18 ASSERT(lpClass && !hPropName.IsEmpty()); | |
19 v8::String::Utf8Value szPropName(hPropName); | |
20 CFX_ByteStringC szFxPropName = *szPropName; | |
21 std::unique_ptr<CFXJSE_Value> lpThisValue( | |
22 new CFXJSE_Value(info.GetIsolate())); | |
23 lpThisValue->ForceSetValue(info.This()); | |
24 std::unique_ptr<CFXJSE_Value> lpRetValue(new CFXJSE_Value(info.GetIsolate())); | |
25 CFXJSE_Arguments impl(&info, lpRetValue.get()); | |
26 lpClass->dynMethodCall(lpThisValue.get(), szFxPropName, impl); | |
27 if (!lpRetValue->DirectGetValue().IsEmpty()) { | |
28 info.GetReturnValue().Set(lpRetValue->DirectGetValue()); | |
29 } | |
30 } | |
31 | |
32 static void FXJSE_DynPropGetterAdapter(const FXJSE_CLASS_DESCRIPTOR* lpClass, | |
33 CFXJSE_Value* pObject, | |
34 const CFX_ByteStringC& szPropName, | |
35 CFXJSE_Value* pValue) { | |
36 ASSERT(lpClass); | |
37 int32_t nPropType = | |
38 lpClass->dynPropTypeGetter == nullptr | |
39 ? FXJSE_ClassPropType_Property | |
40 : lpClass->dynPropTypeGetter(pObject, szPropName, FALSE); | |
41 if (nPropType == FXJSE_ClassPropType_Property) { | |
42 if (lpClass->dynPropGetter) { | |
43 lpClass->dynPropGetter(pObject, szPropName, pValue); | |
44 } | |
45 } else if (nPropType == FXJSE_ClassPropType_Method) { | |
46 if (lpClass->dynMethodCall && pValue) { | |
47 v8::Isolate* pIsolate = pValue->GetIsolate(); | |
48 v8::HandleScope hscope(pIsolate); | |
49 v8::Local<v8::ObjectTemplate> hCallBackInfoTemplate = | |
50 v8::ObjectTemplate::New(pIsolate); | |
51 hCallBackInfoTemplate->SetInternalFieldCount(2); | |
52 v8::Local<v8::Object> hCallBackInfo = | |
53 hCallBackInfoTemplate->NewInstance(); | |
54 hCallBackInfo->SetAlignedPointerInInternalField( | |
55 0, const_cast<FXJSE_CLASS_DESCRIPTOR*>(lpClass)); | |
56 hCallBackInfo->SetInternalField( | |
57 1, v8::String::NewFromUtf8( | |
58 pIsolate, reinterpret_cast<const char*>(szPropName.raw_str()), | |
59 v8::String::kNormalString, szPropName.GetLength())); | |
60 pValue->ForceSetValue( | |
61 v8::Function::New(pValue->GetIsolate()->GetCurrentContext(), | |
62 FXJSE_DynPropGetterAdapter_MethodCallback, | |
63 hCallBackInfo, 0, v8::ConstructorBehavior::kThrow) | |
64 .ToLocalChecked()); | |
65 } | |
66 } | |
67 } | |
68 | |
69 static void FXJSE_DynPropSetterAdapter(const FXJSE_CLASS_DESCRIPTOR* lpClass, | |
70 CFXJSE_Value* pObject, | |
71 const CFX_ByteStringC& szPropName, | |
72 CFXJSE_Value* pValue) { | |
73 ASSERT(lpClass); | |
74 int32_t nPropType = | |
75 lpClass->dynPropTypeGetter == nullptr | |
76 ? FXJSE_ClassPropType_Property | |
77 : lpClass->dynPropTypeGetter(pObject, szPropName, FALSE); | |
78 if (nPropType != FXJSE_ClassPropType_Method) { | |
79 if (lpClass->dynPropSetter) { | |
80 lpClass->dynPropSetter(pObject, szPropName, pValue); | |
81 } | |
82 } | |
83 } | |
84 | |
85 static FX_BOOL FXJSE_DynPropQueryAdapter(const FXJSE_CLASS_DESCRIPTOR* lpClass, | |
86 CFXJSE_Value* pObject, | |
87 const CFX_ByteStringC& szPropName) { | |
88 ASSERT(lpClass); | |
89 int32_t nPropType = | |
90 lpClass->dynPropTypeGetter == nullptr | |
91 ? FXJSE_ClassPropType_Property | |
92 : lpClass->dynPropTypeGetter(pObject, szPropName, TRUE); | |
93 return nPropType != FXJSE_ClassPropType_None; | |
94 } | |
95 | |
96 static FX_BOOL FXJSE_DynPropDeleterAdapter( | |
97 const FXJSE_CLASS_DESCRIPTOR* lpClass, | |
98 CFXJSE_Value* pObject, | |
99 const CFX_ByteStringC& szPropName) { | |
100 ASSERT(lpClass); | |
101 int32_t nPropType = | |
102 lpClass->dynPropTypeGetter == nullptr | |
103 ? FXJSE_ClassPropType_Property | |
104 : lpClass->dynPropTypeGetter(pObject, szPropName, FALSE); | |
105 if (nPropType != FXJSE_ClassPropType_Method) { | |
106 if (lpClass->dynPropDeleter) { | |
107 return lpClass->dynPropDeleter(pObject, szPropName); | |
108 } else { | |
109 return nPropType == FXJSE_ClassPropType_Property ? FALSE : TRUE; | |
110 } | |
111 } | |
112 return FALSE; | |
113 } | |
114 | |
115 static void FXJSE_V8_GenericNamedPropertyQueryCallback( | |
116 v8::Local<v8::Name> property, | |
117 const v8::PropertyCallbackInfo<v8::Integer>& info) { | |
118 v8::Local<v8::Object> thisObject = info.This(); | |
119 const FXJSE_CLASS_DESCRIPTOR* lpClass = static_cast<FXJSE_CLASS_DESCRIPTOR*>( | |
120 info.Data().As<v8::External>()->Value()); | |
121 v8::Isolate* pIsolate = info.GetIsolate(); | |
122 v8::HandleScope scope(pIsolate); | |
123 v8::String::Utf8Value szPropName(property); | |
124 CFX_ByteStringC szFxPropName(*szPropName, szPropName.length()); | |
125 std::unique_ptr<CFXJSE_Value> lpThisValue( | |
126 new CFXJSE_Value(info.GetIsolate())); | |
127 lpThisValue->ForceSetValue(thisObject); | |
128 if (FXJSE_DynPropQueryAdapter(lpClass, lpThisValue.get(), szFxPropName)) { | |
129 info.GetReturnValue().Set(v8::DontDelete); | |
130 } else { | |
131 const int32_t iV8Absent = 64; | |
132 info.GetReturnValue().Set(iV8Absent); | |
133 } | |
134 } | |
135 | |
136 static void FXJSE_V8_GenericNamedPropertyDeleterCallback( | |
137 v8::Local<v8::Name> property, | |
138 const v8::PropertyCallbackInfo<v8::Boolean>& info) { | |
139 v8::Local<v8::Object> thisObject = info.This(); | |
140 const FXJSE_CLASS_DESCRIPTOR* lpClass = static_cast<FXJSE_CLASS_DESCRIPTOR*>( | |
141 info.Data().As<v8::External>()->Value()); | |
142 v8::Isolate* pIsolate = info.GetIsolate(); | |
143 v8::HandleScope scope(pIsolate); | |
144 v8::String::Utf8Value szPropName(property); | |
145 CFX_ByteStringC szFxPropName(*szPropName, szPropName.length()); | |
146 std::unique_ptr<CFXJSE_Value> lpThisValue( | |
147 new CFXJSE_Value(info.GetIsolate())); | |
148 lpThisValue->ForceSetValue(thisObject); | |
149 info.GetReturnValue().Set( | |
150 !!FXJSE_DynPropDeleterAdapter(lpClass, lpThisValue.get(), szFxPropName)); | |
151 } | |
152 | |
153 static void FXJSE_V8_GenericNamedPropertyGetterCallback( | |
154 v8::Local<v8::Name> property, | |
155 const v8::PropertyCallbackInfo<v8::Value>& info) { | |
156 v8::Local<v8::Object> thisObject = info.This(); | |
157 const FXJSE_CLASS_DESCRIPTOR* lpClass = static_cast<FXJSE_CLASS_DESCRIPTOR*>( | |
158 info.Data().As<v8::External>()->Value()); | |
159 v8::String::Utf8Value szPropName(property); | |
160 CFX_ByteStringC szFxPropName(*szPropName, szPropName.length()); | |
161 std::unique_ptr<CFXJSE_Value> lpThisValue( | |
162 new CFXJSE_Value(info.GetIsolate())); | |
163 lpThisValue->ForceSetValue(thisObject); | |
164 std::unique_ptr<CFXJSE_Value> lpNewValue(new CFXJSE_Value(info.GetIsolate())); | |
165 FXJSE_DynPropGetterAdapter(lpClass, lpThisValue.get(), szFxPropName, | |
166 lpNewValue.get()); | |
167 info.GetReturnValue().Set(lpNewValue->DirectGetValue()); | |
168 } | |
169 | |
170 static void FXJSE_V8_GenericNamedPropertySetterCallback( | |
171 v8::Local<v8::Name> property, | |
172 v8::Local<v8::Value> value, | |
173 const v8::PropertyCallbackInfo<v8::Value>& info) { | |
174 v8::Local<v8::Object> thisObject = info.This(); | |
175 const FXJSE_CLASS_DESCRIPTOR* lpClass = static_cast<FXJSE_CLASS_DESCRIPTOR*>( | |
176 info.Data().As<v8::External>()->Value()); | |
177 v8::String::Utf8Value szPropName(property); | |
178 CFX_ByteStringC szFxPropName(*szPropName, szPropName.length()); | |
179 std::unique_ptr<CFXJSE_Value> lpThisValue( | |
180 new CFXJSE_Value(info.GetIsolate())); | |
181 lpThisValue->ForceSetValue(thisObject); | |
182 | |
183 CFXJSE_Value* lpNewValue = new CFXJSE_Value(info.GetIsolate()); | |
184 lpNewValue->ForceSetValue(value); | |
185 FXJSE_DynPropSetterAdapter(lpClass, lpThisValue.get(), szFxPropName, | |
186 lpNewValue); | |
187 info.GetReturnValue().Set(value); | |
188 } | |
189 | |
190 static void FXJSE_V8_GenericNamedPropertyEnumeratorCallback( | |
191 const v8::PropertyCallbackInfo<v8::Array>& info) { | |
192 const FXJSE_CLASS_DESCRIPTOR* lpClass = static_cast<FXJSE_CLASS_DESCRIPTOR*>( | |
193 info.Data().As<v8::External>()->Value()); | |
194 v8::Isolate* pIsolate = info.GetIsolate(); | |
195 v8::Local<v8::Array> newArray = v8::Array::New(pIsolate, lpClass->propNum); | |
196 for (int i = 0; i < lpClass->propNum; i++) { | |
197 newArray->Set( | |
198 i, v8::String::NewFromUtf8(pIsolate, lpClass->properties[i].name)); | |
199 } | |
200 info.GetReturnValue().Set(newArray); | |
201 } | |
202 | |
203 void CFXJSE_Class::SetUpNamedPropHandler( | |
204 v8::Isolate* pIsolate, | |
205 v8::Local<v8::ObjectTemplate>& hObjectTemplate, | |
206 const FXJSE_CLASS_DESCRIPTOR* lpClassDefinition) { | |
207 v8::NamedPropertyHandlerConfiguration configuration( | |
208 lpClassDefinition->dynPropGetter | |
209 ? FXJSE_V8_GenericNamedPropertyGetterCallback | |
210 : 0, | |
211 lpClassDefinition->dynPropSetter | |
212 ? FXJSE_V8_GenericNamedPropertySetterCallback | |
213 : 0, | |
214 lpClassDefinition->dynPropTypeGetter | |
215 ? FXJSE_V8_GenericNamedPropertyQueryCallback | |
216 : 0, | |
217 lpClassDefinition->dynPropDeleter | |
218 ? FXJSE_V8_GenericNamedPropertyDeleterCallback | |
219 : 0, | |
220 FXJSE_V8_GenericNamedPropertyEnumeratorCallback, | |
221 v8::External::New(pIsolate, | |
222 const_cast<FXJSE_CLASS_DESCRIPTOR*>(lpClassDefinition)), | |
223 v8::PropertyHandlerFlags::kNonMasking); | |
224 hObjectTemplate->SetHandler(configuration); | |
225 } | |
OLD | NEW |