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 FXJS_CFXJSE_VALUE_H_ 8 #define FXJS_CFXJSE_VALUE_H_ 9 10 #include <memory> 11 #include <vector> 12 13 #include "core/fxcrt/fx_string.h" 14 #include "core/fxcrt/fx_system.h" 15 #include "fxjs/cfxjse_isolatetracker.h" 16 #include "fxjs/cfxjse_runtimedata.h" 17 #include "v8/include/v8.h" 18 19 class CFXJSE_Class; 20 class CFXJSE_HostObject; 21 22 class CFXJSE_Value { 23 public: 24 explicit CFXJSE_Value(v8::Isolate* pIsolate); 25 ~CFXJSE_Value(); 26 27 bool IsUndefined() const; 28 bool IsNull() const; 29 bool IsBoolean() const; 30 bool IsString() const; 31 bool IsNumber() const; 32 bool IsInteger() const; 33 bool IsObject() const; 34 bool IsArray() const; 35 bool IsFunction() const; 36 bool IsDate() const; 37 bool ToBoolean() const; 38 FX_FLOAT ToFloat() const; 39 double ToDouble() const; 40 int32_t ToInteger() const; 41 CFX_ByteString ToString() const; 42 CFX_WideString ToWideString() const { 43 return CFX_WideString::FromUTF8(ToString().AsStringC()); 44 } 45 CFXJSE_HostObject* ToHostObject(CFXJSE_Class* lpClass) const; 46 47 void SetUndefined(); 48 void SetNull(); 49 void SetBoolean(bool bBoolean); 50 void SetInteger(int32_t nInteger); 51 void SetDouble(double dDouble); 52 void SetString(const CFX_ByteStringC& szString); 53 void SetFloat(FX_FLOAT fFloat); 54 void SetJSObject(); 55 56 void SetObject(CFXJSE_HostObject* lpObject, CFXJSE_Class* pClass); 57 void SetHostObject(CFXJSE_HostObject* lpObject, CFXJSE_Class* lpClass); 58 void SetArray(const std::vector<std::unique_ptr<CFXJSE_Value>>& values); 59 void SetDate(double dDouble); 60 61 bool GetObjectProperty(const CFX_ByteStringC& szPropName, 62 CFXJSE_Value* lpPropValue); 63 bool SetObjectProperty(const CFX_ByteStringC& szPropName, 64 CFXJSE_Value* lpPropValue); 65 bool GetObjectPropertyByIdx(uint32_t uPropIdx, CFXJSE_Value* lpPropValue); 66 bool SetObjectProperty(uint32_t uPropIdx, CFXJSE_Value* lpPropValue); 67 bool DeleteObjectProperty(const CFX_ByteStringC& szPropName); 68 bool HasObjectOwnProperty(const CFX_ByteStringC& szPropName, 69 bool bUseTypeGetter); 70 bool SetObjectOwnProperty(const CFX_ByteStringC& szPropName, 71 CFXJSE_Value* lpPropValue); 72 bool SetFunctionBind(CFXJSE_Value* lpOldFunction, CFXJSE_Value* lpNewThis); 73 bool Call(CFXJSE_Value* lpReceiver, 74 CFXJSE_Value* lpRetValue, 75 uint32_t nArgCount, 76 CFXJSE_Value** lpArgs); 77 78 v8::Isolate* GetIsolate() const { return m_pIsolate; } 79 const v8::Global<v8::Value>& DirectGetValue() const { return m_hValue; } 80 void ForceSetValue(v8::Local<v8::Value> hValue) { 81 m_hValue.Reset(m_pIsolate, hValue); 82 } 83 void Assign(const CFXJSE_Value* lpValue) { 84 ASSERT(lpValue); 85 if (lpValue) { 86 m_hValue.Reset(m_pIsolate, lpValue->m_hValue); 87 } else { 88 m_hValue.Reset(); 89 } 90 } 91 92 private: 93 friend class CFXJSE_Class; 94 friend class CFXJSE_Context; 95 96 CFXJSE_Value(); 97 CFXJSE_Value(const CFXJSE_Value&); 98 CFXJSE_Value& operator=(const CFXJSE_Value&); 99 100 v8::Isolate* m_pIsolate; 101 v8::Global<v8::Value> m_hValue; 102 }; 103 104 #endif // FXJS_CFXJSE_VALUE_H_ 105
