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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef FXJS_CFXJSE_ENGINE_H_
#define FXJS_CFXJSE_ENGINE_H_
#include <map>
#include <memory>
#include <vector>
#include "fxjs/cfxjse_arguments.h"
#include "fxjs/cfxjse_formcalc_context.h"
#include "xfa/fxfa/cxfa_eventparam.h"
#include "xfa/fxfa/parser/cxfa_document.h"
#include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
#define XFA_RESOLVENODE_TagName 0x0002
class CFXJSE_ResolveProcessor;
class CFXJSE_Engine {
public:
static CXFA_Object* ToObject(CFXJSE_Value* pValue, CFXJSE_Class* pClass);
static void GlobalPropertyGetter(CFXJSE_Value* pObject,
const ByteStringView& szPropName,
CFXJSE_Value* pValue);
static void GlobalPropertySetter(CFXJSE_Value* pObject,
const ByteStringView& szPropName,
CFXJSE_Value* pValue);
static void NormalPropertyGetter(CFXJSE_Value* pObject,
const ByteStringView& szPropName,
CFXJSE_Value* pValue);
static void NormalPropertySetter(CFXJSE_Value* pObject,
const ByteStringView& szPropName,
CFXJSE_Value* pValue);
static void NormalMethodCall(CFXJSE_Value* hThis,
const ByteStringView& szFuncName,
CFXJSE_Arguments& args);
static int32_t NormalPropTypeGetter(CFXJSE_Value* pObject,
const ByteStringView& szPropName,
bool bQueryIn);
static int32_t GlobalPropTypeGetter(CFXJSE_Value* pObject,
const ByteStringView& szPropName,
bool bQueryIn);
explicit CFXJSE_Engine(CXFA_Document* pDocument, v8::Isolate* pIsolate);
~CFXJSE_Engine();
void SetEventParam(CXFA_EventParam param) { m_eventParam = param; }
CXFA_EventParam* GetEventParam() { return &m_eventParam; }
bool RunScript(CXFA_ScriptData::Type eScriptType,
const WideStringView& wsScript,
CFXJSE_Value* pRetValue,
CXFA_Object* pThisObject);
int32_t ResolveObjects(CXFA_Object* refObject,
const WideStringView& wsExpression,
XFA_RESOLVENODE_RS& resolveNodeRS,
uint32_t dwStyles = XFA_RESOLVENODE_Children,
CXFA_Node* bindNode = nullptr);
CFXJSE_Value* GetJSValueFromMap(CXFA_Object* pObject);
void AddToCacheList(std::unique_ptr<CXFA_NodeList> pList);
CXFA_Object* GetThisObject() const { return m_pThisObject; }
v8::Isolate* GetRuntime() const { return m_pIsolate; }
int32_t GetIndexByName(CXFA_Node* refNode);
int32_t GetIndexByClassName(CXFA_Node* refNode);
void GetSomExpression(CXFA_Node* refNode, WideString& wsExpression);
void SetNodesOfRunScript(std::vector<CXFA_Node*>* pArray);
void AddNodesOfRunScript(CXFA_Node* pNode);
CFXJSE_Class* GetJseNormalClass();
void SetRunAtType(XFA_AttributeEnum eRunAt) { m_eRunAtType = eRunAt; }
bool IsRunAtClient() { return m_eRunAtType != XFA_AttributeEnum::Server; }
CXFA_ScriptData::Type GetType();
std::vector<CXFA_Node*>* GetUpObjectArray() { return &m_upObjectArray; }
CXFA_Document* GetDocument() const { return m_pDocument.Get(); }
private:
CFXJSE_Context* CreateVariablesContext(CXFA_Node* pScriptNode,
CXFA_Node* pSubform);
void RemoveBuiltInObjs(CFXJSE_Context* pContext) const;
bool QueryNodeByFlag(CXFA_Node* refNode,
const WideStringView& propname,
CFXJSE_Value* pValue,
uint32_t dwFlag,
bool bSetting);
bool IsStrictScopeInJavaScript();
CXFA_Object* GetVariablesThis(CXFA_Object* pObject, bool bScriptNode = false);
bool QueryVariableValue(CXFA_Node* pScriptNode,
const ByteStringView& szPropName,
CFXJSE_Value* pValue,
bool bGetter);
bool RunVariablesScript(CXFA_Node* pScriptNode);
UnownedPtr<CXFA_Document> const m_pDocument;
std::unique_ptr<CFXJSE_Context> m_JsContext;
v8::Isolate* m_pIsolate;
CFXJSE_Class* m_pJsClass;
CXFA_ScriptData::Type m_eScriptType;
std::map<CXFA_Object*, std::unique_ptr<CFXJSE_Value>> m_mapObjectToValue;
std::map<CXFA_Object*, std::unique_ptr<CFXJSE_Context>>
m_mapVariableToContext;
CXFA_EventParam m_eventParam;
std::vector<CXFA_Node*> m_upObjectArray;
// CacheList holds the NodeList items so we can clean them up when we're done.
std::vector<std::unique_ptr<CXFA_NodeList>> m_CacheList;
std::vector<CXFA_Node*>* m_pScriptNodeArray;
std::unique_ptr<CFXJSE_ResolveProcessor> m_ResolveProcessor;
std::unique_ptr<CFXJSE_FormCalcContext> m_FM2JSContext;
CXFA_Object* m_pThisObject;
XFA_AttributeEnum m_eRunAtType;
};
#endif // FXJS_CFXJSE_ENGINE_H_
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