1 // Copyright 2017 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_CJS_V8_H_ 8 #define FXJS_CJS_V8_H_ 9 10 #include <v8-util.h> 11 #include <v8.h> 12 13 #include <map> 14 #include <vector> 15 16 #include "core/fxcrt/bytestring.h" 17 #include "core/fxcrt/fx_string.h" 18 #include "core/fxcrt/widestring.h" 19 20 #ifdef PDF_ENABLE_XFA 21 class CXFA_Object; 22 #endif // PDF_ENABLE_XFA 23 24 class CJS_V8 { 25 public: 26 explicit CJS_V8(v8::Isolate* pIsolate); 27 virtual ~CJS_V8(); 28 29 v8::Isolate* GetIsolate() const { return m_isolate; } 30 31 v8::Local<v8::Context> NewLocalContext(); 32 v8::Local<v8::Context> GetPersistentContext(); 33 34 v8::Local<v8::Value> NewNull(); 35 v8::Local<v8::Value> NewUndefined(); 36 v8::Local<v8::Array> NewArray(); 37 v8::Local<v8::Number> NewNumber(int number); 38 v8::Local<v8::Number> NewNumber(double number); 39 v8::Local<v8::Number> NewNumber(float number); 40 v8::Local<v8::Boolean> NewBoolean(bool b); 41 v8::Local<v8::String> NewString(const ByteStringView& str); 42 v8::Local<v8::String> NewString(const WideStringView& str); 43 v8::Local<v8::Date> NewDate(double d); 44 45 int ToInt32(v8::Local<v8::Value> pValue); 46 bool ToBoolean(v8::Local<v8::Value> pValue); 47 double ToDouble(v8::Local<v8::Value> pValue); 48 WideString ToWideString(v8::Local<v8::Value> pValue); 49 ByteString ToByteString(v8::Local<v8::Value> pValue); 50 v8::Local<v8::Object> ToObject(v8::Local<v8::Value> pValue); 51 v8::Local<v8::Array> ToArray(v8::Local<v8::Value> pValue); 52 53 #ifdef PDF_ENABLE_XFA 54 CXFA_Object* ToXFAObject(v8::Local<v8::Value> obj); 55 v8::Local<v8::Value> NewXFAObject(CXFA_Object* obj, 56 v8::Global<v8::FunctionTemplate>& tmpl); 57 #endif // PDF_ENABLE_XFA 58 59 // Arrays. 60 unsigned GetArrayLength(v8::Local<v8::Array> pArray); 61 v8::Local<v8::Value> GetArrayElement(v8::Local<v8::Array> pArray, 62 unsigned index); 63 unsigned PutArrayElement(v8::Local<v8::Array> pArray, 64 unsigned index, 65 v8::Local<v8::Value> pValue); 66 67 void SetConstArray(const WideString& name, v8::Local<v8::Array> array); 68 v8::Local<v8::Array> GetConstArray(const WideString& name); 69 70 // Objects. 71 std::vector<WideString> GetObjectPropertyNames(v8::Local<v8::Object> pObj); 72 v8::Local<v8::Value> GetObjectProperty(v8::Local<v8::Object> pObj, 73 const WideString& PropertyName); 74 void PutObjectProperty(v8::Local<v8::Object> pObj, 75 const WideString& PropertyName, 76 v8::Local<v8::Value> pValue); 77 78 protected: 79 void SetIsolate(v8::Isolate* pIsolate) { m_isolate = pIsolate; } 80 void ClearConstArray() { m_ConstArrays.clear(); } 81 82 void ResetPersistentContext(v8::Local<v8::Context> context) { 83 m_V8PersistentContext.Reset(m_isolate, context); 84 } 85 void ReleasePersistentContext() { m_V8PersistentContext.Reset(); } 86 87 private: 88 v8::Isolate* m_isolate; 89 std::map<WideString, v8::Global<v8::Array>> m_ConstArrays; 90 v8::Global<v8::Context> m_V8PersistentContext; 91 }; 92 93 #endif // FXJS_CJS_V8_H_ 94
