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142 lines
5.8 KiB
142 lines
5.8 KiB
// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef FXJS_XFA_CFXJSE_ENGINE_H_
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#define FXJS_XFA_CFXJSE_ENGINE_H_
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#include <map>
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#include <memory>
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#include <vector>
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#include "core/fxcrt/unowned_ptr.h"
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#include "fxjs/cfx_v8.h"
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#include "v8/include/v8.h"
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#include "xfa/fxfa/cxfa_eventparam.h"
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#include "xfa/fxfa/parser/cxfa_document.h"
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#include "xfa/fxfa/parser/cxfa_script.h"
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#include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
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class CFXJSE_Class;
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class CFXJSE_Context;
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class CFXJSE_FormCalcContext;
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class CFXJSE_ResolveProcessor;
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class CJS_Runtime;
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class CXFA_List;
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// Flags for |dwStyles| argument to CFXJSE_Engine::ResolveObjects().
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#define XFA_RESOLVENODE_Children 0x0001
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#define XFA_RESOLVENODE_TagName 0x0002
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#define XFA_RESOLVENODE_Attributes 0x0004
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#define XFA_RESOLVENODE_Properties 0x0008
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#define XFA_RESOLVENODE_Siblings 0x0020
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#define XFA_RESOLVENODE_Parent 0x0040
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#define XFA_RESOLVENODE_AnyChild 0x0080
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#define XFA_RESOLVENODE_ALL 0x0100
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#define XFA_RESOLVENODE_CreateNode 0x0400
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#define XFA_RESOLVENODE_Bind 0x0800
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#define XFA_RESOLVENODE_BindNew 0x1000
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class CFXJSE_Engine final : public CFX_V8 {
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public:
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static CXFA_Object* ToObject(const v8::FunctionCallbackInfo<v8::Value>& info);
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static CXFA_Object* ToObject(CFXJSE_Value* pValue);
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static void GlobalPropertyGetter(CFXJSE_Value* pObject,
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ByteStringView szPropName,
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CFXJSE_Value* pValue);
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static void GlobalPropertySetter(CFXJSE_Value* pObject,
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ByteStringView szPropName,
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CFXJSE_Value* pValue);
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static void NormalPropertyGetter(CFXJSE_Value* pObject,
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ByteStringView szPropName,
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CFXJSE_Value* pValue);
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static void NormalPropertySetter(CFXJSE_Value* pObject,
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ByteStringView szPropName,
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CFXJSE_Value* pValue);
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static CJS_Result NormalMethodCall(
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const v8::FunctionCallbackInfo<v8::Value>& info,
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const WideString& functionName);
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static int32_t NormalPropTypeGetter(CFXJSE_Value* pObject,
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ByteStringView szPropName,
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bool bQueryIn);
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static int32_t GlobalPropTypeGetter(CFXJSE_Value* pObject,
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ByteStringView szPropName,
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bool bQueryIn);
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CFXJSE_Engine(CXFA_Document* pDocument, CJS_Runtime* fxjs_runtime);
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~CFXJSE_Engine() override;
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void SetEventParam(CXFA_EventParam* param) { m_eventParam = param; }
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CXFA_EventParam* GetEventParam() const { return m_eventParam.Get(); }
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bool RunScript(CXFA_Script::Type eScriptType,
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WideStringView wsScript,
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CFXJSE_Value* pRetValue,
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CXFA_Object* pThisObject);
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bool ResolveObjects(CXFA_Object* refObject,
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WideStringView wsExpression,
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XFA_RESOLVENODE_RS* resolveNodeRS,
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uint32_t dwStyles,
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CXFA_Node* bindNode);
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CFXJSE_Value* GetOrCreateJSBindingFromMap(CXFA_Object* pObject);
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void RemoveJSBindingFromMap(CXFA_Object* pObject);
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void AddToCacheList(std::unique_ptr<CXFA_List> pList);
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CXFA_Object* GetThisObject() const { return m_pThisObject.Get(); }
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void SetNodesOfRunScript(std::vector<CXFA_Node*>* pArray);
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void AddNodesOfRunScript(CXFA_Node* pNode);
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CFXJSE_Class* GetJseNormalClass() const { return m_pJsClass.Get(); }
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void SetRunAtType(XFA_AttributeValue eRunAt) { m_eRunAtType = eRunAt; }
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bool IsRunAtClient() { return m_eRunAtType != XFA_AttributeValue::Server; }
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CXFA_Script::Type GetType();
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std::vector<CXFA_Node*>* GetUpObjectArray() { return &m_upObjectArray; }
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CXFA_Document* GetDocument() const { return m_pDocument.Get(); }
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CXFA_Object* ToXFAObject(v8::Local<v8::Value> obj);
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v8::Local<v8::Value> NewXFAObject(CXFA_Object* obj,
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v8::Global<v8::FunctionTemplate>& tmpl);
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private:
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CFXJSE_Context* CreateVariablesContext(CXFA_Node* pScriptNode,
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CXFA_Node* pSubform);
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void RemoveBuiltInObjs(CFXJSE_Context* pContext) const;
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bool QueryNodeByFlag(CXFA_Node* refNode,
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WideStringView propname,
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CFXJSE_Value* pValue,
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uint32_t dwFlag,
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bool bSetting);
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bool IsStrictScopeInJavaScript();
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CXFA_Object* GetVariablesThis(CXFA_Object* pObject, bool bScriptNode);
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bool QueryVariableValue(CXFA_Node* pScriptNode,
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ByteStringView szPropName,
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CFXJSE_Value* pValue,
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bool bGetter);
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bool RunVariablesScript(CXFA_Node* pScriptNode);
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UnownedPtr<CJS_Runtime> const m_pSubordinateRuntime;
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UnownedPtr<CXFA_Document> const m_pDocument;
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std::unique_ptr<CFXJSE_Context> m_JsContext;
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UnownedPtr<CFXJSE_Class> m_pJsClass;
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CXFA_Script::Type m_eScriptType = CXFA_Script::Type::Unknown;
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std::map<CXFA_Object*, std::unique_ptr<CFXJSE_Value>> m_mapObjectToValue;
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std::map<CXFA_Object*, std::unique_ptr<CFXJSE_Context>>
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m_mapVariableToContext;
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UnownedPtr<CXFA_EventParam> m_eventParam;
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std::vector<CXFA_Node*> m_upObjectArray;
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// CacheList holds the List items so we can clean them up when we're done.
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std::vector<std::unique_ptr<CXFA_List>> m_CacheList;
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UnownedPtr<std::vector<CXFA_Node*>> m_pScriptNodeArray;
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std::unique_ptr<CFXJSE_ResolveProcessor> const m_ResolveProcessor;
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std::unique_ptr<CFXJSE_FormCalcContext> m_FM2JSContext;
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UnownedPtr<CXFA_Object> m_pThisObject;
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XFA_AttributeValue m_eRunAtType = XFA_AttributeValue::Client;
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};
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#endif // FXJS_XFA_CFXJSE_ENGINE_H_
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