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 #ifndef FXJSE_VALUE_H_ 8 #define FXJSE_VALUE_H_ 9 #include "scope_inline.h" 10 class CFXJSE_Value { 11 public: 12 CFXJSE_Value(v8::Isolate* pIsolate) : m_pIsolate(pIsolate) {} 13 14 protected: 15 CFXJSE_Value(); 16 CFXJSE_Value(const CFXJSE_Value&); 17 CFXJSE_Value& operator=(const CFXJSE_Value&); 18 19 public: 20 V8_INLINE FX_BOOL IsUndefined() const { 21 if (m_hValue.IsEmpty()) { 22 return FALSE; 23 } 24 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 25 v8::Local<v8::Value> hValue = 26 v8::Local<v8::Value>::New(m_pIsolate, m_hValue); 27 return hValue->IsUndefined(); 28 } 29 V8_INLINE FX_BOOL IsNull() const { 30 if (m_hValue.IsEmpty()) { 31 return FALSE; 32 } 33 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 34 v8::Local<v8::Value> hValue = 35 v8::Local<v8::Value>::New(m_pIsolate, m_hValue); 36 return hValue->IsNull(); 37 } 38 V8_INLINE FX_BOOL IsBoolean() const { 39 if (m_hValue.IsEmpty()) { 40 return FALSE; 41 } 42 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 43 v8::Local<v8::Value> hValue = 44 v8::Local<v8::Value>::New(m_pIsolate, m_hValue); 45 return hValue->IsBoolean(); 46 } 47 V8_INLINE FX_BOOL IsString() const { 48 if (m_hValue.IsEmpty()) { 49 return FALSE; 50 } 51 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 52 v8::Local<v8::Value> hValue = 53 v8::Local<v8::Value>::New(m_pIsolate, m_hValue); 54 return hValue->IsString(); 55 } 56 V8_INLINE FX_BOOL IsNumber() const { 57 if (m_hValue.IsEmpty()) { 58 return FALSE; 59 } 60 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 61 v8::Local<v8::Value> hValue = 62 v8::Local<v8::Value>::New(m_pIsolate, m_hValue); 63 return hValue->IsNumber(); 64 } 65 V8_INLINE FX_BOOL IsInteger() const { 66 if (m_hValue.IsEmpty()) { 67 return FALSE; 68 } 69 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 70 v8::Local<v8::Value> hValue = 71 v8::Local<v8::Value>::New(m_pIsolate, m_hValue); 72 return hValue->IsInt32(); 73 } 74 V8_INLINE FX_BOOL IsObject() const { 75 if (m_hValue.IsEmpty()) { 76 return FALSE; 77 } 78 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 79 v8::Local<v8::Value> hValue = 80 v8::Local<v8::Value>::New(m_pIsolate, m_hValue); 81 return hValue->IsObject(); 82 } 83 V8_INLINE FX_BOOL IsArray() const { 84 if (m_hValue.IsEmpty()) { 85 return FALSE; 86 } 87 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 88 v8::Local<v8::Value> hValue = 89 v8::Local<v8::Value>::New(m_pIsolate, m_hValue); 90 return hValue->IsArray(); 91 } 92 V8_INLINE FX_BOOL IsFunction() const { 93 if (m_hValue.IsEmpty()) { 94 return FALSE; 95 } 96 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 97 v8::Local<v8::Value> hValue = 98 v8::Local<v8::Value>::New(m_pIsolate, m_hValue); 99 return hValue->IsFunction(); 100 } 101 V8_INLINE FX_BOOL IsDate() const { 102 if (m_hValue.IsEmpty()) { 103 return FALSE; 104 } 105 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 106 v8::Local<v8::Value> hValue = 107 v8::Local<v8::Value>::New(m_pIsolate, m_hValue); 108 return hValue->IsDate(); 109 } 110 111 public: 112 V8_INLINE FX_BOOL ToBoolean() const { 113 ASSERT(!m_hValue.IsEmpty()); 114 CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); 115 v8::Local<v8::Value> hValue = 116 v8::Local<v8::Value>::New(m_pIsolate, m_hValue); 117 return static_cast<FX_BOOL>(hValue->BooleanValue()); 118 } 119 V8_INLINE FX_FLOAT ToFloat() const { 120 ASSERT(!m_hValue.IsEmpty()); 121 CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); 122 v8::Local<v8::Value> hValue = 123 v8::Local<v8::Value>::New(m_pIsolate, m_hValue); 124 return static_cast<FX_FLOAT>(hValue->NumberValue()); 125 } 126 V8_INLINE FXJSE_DOUBLE ToDouble() const { 127 ASSERT(!m_hValue.IsEmpty()); 128 CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); 129 v8::Local<v8::Value> hValue = 130 v8::Local<v8::Value>::New(m_pIsolate, m_hValue); 131 return static_cast<FXJSE_DOUBLE>(hValue->NumberValue()); 132 } 133 V8_INLINE int32_t ToInteger() const { 134 ASSERT(!m_hValue.IsEmpty()); 135 CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); 136 v8::Local<v8::Value> hValue = 137 v8::Local<v8::Value>::New(m_pIsolate, m_hValue); 138 return static_cast<int32_t>(hValue->NumberValue()); 139 } 140 V8_INLINE void ToString(CFX_ByteString& szStrOutput) const { 141 ASSERT(!m_hValue.IsEmpty()); 142 CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); 143 v8::Local<v8::Value> hValue = 144 v8::Local<v8::Value>::New(m_pIsolate, m_hValue); 145 v8::Local<v8::String> hString = hValue->ToString(); 146 v8::String::Utf8Value hStringVal(hString); 147 szStrOutput = *hStringVal; 148 } 149 void* ToObject(CFXJSE_Class* lpClass) const; 150 151 public: 152 V8_INLINE void SetUndefined() { 153 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 154 v8::Local<v8::Value> hValue = v8::Undefined(m_pIsolate); 155 m_hValue.Reset(m_pIsolate, hValue); 156 } 157 V8_INLINE void SetNull() { 158 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 159 v8::Local<v8::Value> hValue = v8::Null(m_pIsolate); 160 m_hValue.Reset(m_pIsolate, hValue); 161 } 162 V8_INLINE void SetBoolean(FX_BOOL bBoolean) { 163 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 164 v8::Local<v8::Value> hValue = 165 v8::Boolean::New(m_pIsolate, bBoolean != FALSE); 166 m_hValue.Reset(m_pIsolate, hValue); 167 } 168 V8_INLINE void SetInteger(int32_t nInteger) { 169 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 170 v8::Local<v8::Value> hValue = v8::Integer::New(m_pIsolate, nInteger); 171 m_hValue.Reset(m_pIsolate, hValue); 172 } 173 V8_INLINE void SetDouble(FXJSE_DOUBLE dDouble) { 174 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 175 v8::Local<v8::Value> hValue = v8::Number::New(m_pIsolate, dDouble); 176 m_hValue.Reset(m_pIsolate, hValue); 177 } 178 V8_INLINE void SetString(const CFX_ByteStringC& szString) { 179 CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); 180 v8::Local<v8::Value> hValue = v8::String::NewFromUtf8( 181 m_pIsolate, reinterpret_cast<const char*>(szString.GetPtr()), 182 v8::String::kNormalString, szString.GetLength()); 183 m_hValue.Reset(m_pIsolate, hValue); 184 } 185 V8_INLINE void SetFloat(FX_FLOAT fFloat); 186 V8_INLINE void SetJSObject() { 187 CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); 188 v8::Local<v8::Value> hValue = v8::Object::New(m_pIsolate); 189 m_hValue.Reset(m_pIsolate, hValue); 190 } 191 void SetHostObject(void* lpObject, CFXJSE_Class* lpClass); 192 void SetArray(uint32_t uValueCount, CFXJSE_Value** rgValues); 193 void SetDate(FXJSE_DOUBLE dDouble); 194 195 public: 196 FX_BOOL GetObjectProperty(const CFX_ByteStringC& szPropName, 197 CFXJSE_Value* lpPropValue); 198 FX_BOOL SetObjectProperty(const CFX_ByteStringC& szPropName, 199 CFXJSE_Value* lpPropValue); 200 FX_BOOL GetObjectProperty(uint32_t uPropIdx, CFXJSE_Value* lpPropValue); 201 FX_BOOL SetObjectProperty(uint32_t uPropIdx, CFXJSE_Value* lpPropValue); 202 FX_BOOL DeleteObjectProperty(const CFX_ByteStringC& szPropName); 203 FX_BOOL HasObjectOwnProperty(const CFX_ByteStringC& szPropName, 204 FX_BOOL bUseTypeGetter); 205 FX_BOOL SetObjectOwnProperty(const CFX_ByteStringC& szPropName, 206 CFXJSE_Value* lpPropValue); 207 FX_BOOL SetFunctionBind(CFXJSE_Value* lpOldFunction, CFXJSE_Value* lpNewThis); 208 FX_BOOL Call(CFXJSE_Value* lpReceiver, 209 CFXJSE_Value* lpRetValue, 210 uint32_t nArgCount, 211 FXJSE_HVALUE* lpArgs); 212 213 public: 214 V8_INLINE v8::Isolate* GetIsolate() const { return m_pIsolate; } 215 V8_INLINE const v8::Global<v8::Value>& DirectGetValue() const { 216 return m_hValue; 217 } 218 V8_INLINE void ForceSetValue(v8::Local<v8::Value> hValue) { 219 m_hValue.Reset(m_pIsolate, hValue); 220 } 221 V8_INLINE void Assign(const CFXJSE_Value* lpValue) { 222 if (lpValue) { 223 m_hValue.Reset(m_pIsolate, lpValue->m_hValue); 224 } else { 225 m_hValue.Reset(); 226 } 227 } 228 229 public: 230 static CFXJSE_Value* Create(v8::Isolate* pIsolate); 231 232 protected: 233 v8::Isolate* m_pIsolate; 234 v8::Global<v8::Value> m_hValue; 235 friend class CFXJSE_Context; 236 friend class CFXJSE_Class; 237 }; 238 #endif 239
