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 float ToFloat() const; 39 double ToDouble() const; 40 int32_t ToInteger() const; 41 ByteString ToString() const; 42 WideString ToWideString() const { 43 return WideString::FromUTF8(ToString().AsStringView()); 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 ByteStringView& szString); 53 void SetFloat(float fFloat); 54 55 void SetObject(CFXJSE_HostObject* lpObject, CFXJSE_Class* pClass); 56 void SetArray(const std::vector<std::unique_ptr<CFXJSE_Value>>& values); 57 void SetDate(double dDouble); 58 59 bool GetObjectProperty(const ByteStringView& szPropName, 60 CFXJSE_Value* lpPropValue); 61 bool SetObjectProperty(const ByteStringView& szPropName, 62 CFXJSE_Value* lpPropValue); 63 bool GetObjectPropertyByIdx(uint32_t uPropIdx, CFXJSE_Value* lpPropValue); 64 bool SetObjectProperty(uint32_t uPropIdx, CFXJSE_Value* lpPropValue); 65 bool DeleteObjectProperty(const ByteStringView& szPropName); 66 bool HasObjectOwnProperty(const ByteStringView& szPropName, 67 bool bUseTypeGetter); 68 bool SetObjectOwnProperty(const ByteStringView& szPropName, 69 CFXJSE_Value* lpPropValue); 70 bool SetFunctionBind(CFXJSE_Value* lpOldFunction, CFXJSE_Value* lpNewThis); 71 72 v8::Isolate* GetIsolate() const { return m_pIsolate; } 73 const v8::Global<v8::Value>& DirectGetValue() const { return m_hValue; } 74 void ForceSetValue(v8::Local<v8::Value> hValue) { 75 m_hValue.Reset(m_pIsolate, hValue); 76 } 77 void Assign(const CFXJSE_Value* lpValue) { 78 ASSERT(lpValue); 79 if (lpValue) { 80 m_hValue.Reset(m_pIsolate, lpValue->m_hValue); 81 } else { 82 m_hValue.Reset(); 83 } 84 } 85 86 private: 87 friend class CFXJSE_Class; 88 friend class CFXJSE_Context; 89 90 CFXJSE_Value(); 91 CFXJSE_Value(const CFXJSE_Value&); 92 CFXJSE_Value& operator=(const CFXJSE_Value&); 93 94 v8::Isolate* m_pIsolate; 95 v8::Global<v8::Value> m_hValue; 96 }; 97 98 #endif // FXJS_CFXJSE_VALUE_H_ 99
