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 XFA_FXFA_PARSER_CXFA_SCRIPTCONTEXT_H_ 8 #define XFA_FXFA_PARSER_CXFA_SCRIPTCONTEXT_H_ 9 10 #include <map> 11 #include <memory> 12 #include <vector> 13 14 #include "fxjs/cfxjse_arguments.h" 15 #include "xfa/fxfa/cxfa_eventparam.h" 16 #include "xfa/fxfa/fm2js/xfa_fm2jscontext.h" 17 #include "xfa/fxfa/parser/cxfa_document.h" 18 #include "xfa/fxfa/parser/xfa_resolvenode_rs.h" 19 20 #define XFA_RESOLVENODE_TagName 0x0002 21 22 class CXFA_ResolveProcessor; 23 24 class CXFA_ScriptContext { 25 public: 26 explicit CXFA_ScriptContext(CXFA_Document* pDocument); 27 ~CXFA_ScriptContext(); 28 29 void Initialize(v8::Isolate* pIsolate); 30 void SetEventParam(CXFA_EventParam param) { m_eventParam = param; } 31 CXFA_EventParam* GetEventParam() { return &m_eventParam; } 32 bool RunScript(XFA_SCRIPTLANGTYPE eScriptType, 33 const CFX_WideStringC& wsScript, 34 CFXJSE_Value* pRetValue, 35 CXFA_Object* pThisObject = nullptr); 36 37 int32_t ResolveObjects(CXFA_Object* refNode, 38 const CFX_WideStringC& wsExpression, 39 XFA_RESOLVENODE_RS& resolveNodeRS, 40 uint32_t dwStyles = XFA_RESOLVENODE_Children, 41 CXFA_Node* bindNode = nullptr); 42 CFXJSE_Value* GetJSValueFromMap(CXFA_Object* pObject); 43 void AddToCacheList(std::unique_ptr<CXFA_NodeList> pList); 44 CXFA_Object* GetThisObject() const { return m_pThisObject; } 45 v8::Isolate* GetRuntime() const { return m_pIsolate; } 46 47 int32_t GetIndexByName(CXFA_Node* refNode); 48 int32_t GetIndexByClassName(CXFA_Node* refNode); 49 void GetSomExpression(CXFA_Node* refNode, CFX_WideString& wsExpression); 50 51 void SetNodesOfRunScript(CXFA_NodeArray* pArray); 52 void AddNodesOfRunScript(const CXFA_NodeArray& nodes); 53 void AddNodesOfRunScript(CXFA_Node* pNode); 54 CFXJSE_Class* GetJseNormalClass(); 55 56 void SetRunAtType(XFA_ATTRIBUTEENUM eRunAt) { m_eRunAtType = eRunAt; } 57 bool IsRunAtClient() { return m_eRunAtType != XFA_ATTRIBUTEENUM_Server; } 58 bool QueryNodeByFlag(CXFA_Node* refNode, 59 const CFX_WideStringC& propname, 60 CFXJSE_Value* pValue, 61 uint32_t dwFlag, 62 bool bSetting); 63 bool QueryVariableValue(CXFA_Node* pScriptNode, 64 const CFX_ByteStringC& szPropName, 65 CFXJSE_Value* pValue, 66 bool bGetter); 67 bool QueryBuiltinValue(const CFX_ByteStringC& szPropName, 68 CFXJSE_Value* pValue); 69 static void GlobalPropertyGetter(CFXJSE_Value* pObject, 70 const CFX_ByteStringC& szPropName, 71 CFXJSE_Value* pValue); 72 static void GlobalPropertySetter(CFXJSE_Value* pObject, 73 const CFX_ByteStringC& szPropName, 74 CFXJSE_Value* pValue); 75 static void NormalPropertyGetter(CFXJSE_Value* pObject, 76 const CFX_ByteStringC& szPropName, 77 CFXJSE_Value* pValue); 78 static void NormalPropertySetter(CFXJSE_Value* pObject, 79 const CFX_ByteStringC& szPropName, 80 CFXJSE_Value* pValue); 81 static void NormalMethodCall(CFXJSE_Value* hThis, 82 const CFX_ByteStringC& szFuncName, 83 CFXJSE_Arguments& args); 84 static int32_t NormalPropTypeGetter(CFXJSE_Value* pObject, 85 const CFX_ByteStringC& szPropName, 86 bool bQueryIn); 87 static int32_t GlobalPropTypeGetter(CFXJSE_Value* pObject, 88 const CFX_ByteStringC& szPropName, 89 bool bQueryIn); 90 bool RunVariablesScript(CXFA_Node* pScriptNode); 91 CXFA_Object* GetVariablesThis(CXFA_Object* pObject, bool bScriptNode = false); 92 bool IsStrictScopeInJavaScript(); 93 XFA_SCRIPTLANGTYPE GetType(); 94 CXFA_NodeArray& GetUpObjectArray() { return m_upObjectArray; } 95 CXFA_Document* GetDocument() const { return m_pDocument; } 96 97 static CXFA_Object* ToObject(CFXJSE_Value* pValue, CFXJSE_Class* pClass); 98 99 private: 100 void DefineJsContext(); 101 CFXJSE_Context* CreateVariablesContext(CXFA_Node* pScriptNode, 102 CXFA_Node* pSubform); 103 void DefineJsClass(); 104 void RemoveBuiltInObjs(CFXJSE_Context* pContext) const; 105 106 CXFA_Document* m_pDocument; 107 std::unique_ptr<CFXJSE_Context> m_JsContext; 108 v8::Isolate* m_pIsolate; 109 CFXJSE_Class* m_pJsClass; 110 XFA_SCRIPTLANGTYPE m_eScriptType; 111 std::map<CXFA_Object*, std::unique_ptr<CFXJSE_Value>> m_mapObjectToValue; 112 std::map<CXFA_Object*, CFXJSE_Context*> m_mapVariableToContext; 113 CXFA_EventParam m_eventParam; 114 CXFA_NodeArray m_upObjectArray; 115 // CacheList holds the NodeList items so we can clean them up when we're done. 116 std::vector<std::unique_ptr<CXFA_NodeList>> m_CacheList; 117 CXFA_NodeArray* m_pScriptNodeArray; 118 std::unique_ptr<CXFA_ResolveProcessor> m_ResolveProcessor; 119 std::unique_ptr<CXFA_FM2JSContext> m_FM2JSContext; 120 CXFA_Object* m_pThisObject; 121 uint32_t m_dwBuiltInInFlags; 122 XFA_ATTRIBUTEENUM m_eRunAtType; 123 }; 124 125 #endif // XFA_FXFA_PARSER_CXFA_SCRIPTCONTEXT_H_ 126
