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// Copyright 2017 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_CJX_OBJECT_H_
#define FXJS_CJX_OBJECT_H_
#include <map>
#include <memory>
#include "core/fxcrt/unowned_ptr.h"
#include "core/fxcrt/widestring.h"
#include "core/fxcrt/xml/cfx_xmlelement.h"
#include "xfa/fxfa/fxfa_basic.h"
typedef void (*CJX_MethodCall)(CJX_Object* obj, CFXJSE_Arguments* args);
struct CJX_MethodSpec {
const char* pName;
CJX_MethodCall pMethodCall;
};
typedef void (*PD_CALLBACK_FREEDATA)(void* pData);
typedef void (*PD_CALLBACK_DUPLICATEDATA)(void*& pData);
struct XFA_MAPDATABLOCKCALLBACKINFO {
PD_CALLBACK_FREEDATA pFree;
PD_CALLBACK_DUPLICATEDATA pCopy;
};
class CFXJSE_Value;
class CXFA_CalcData;
class CXFA_Document;
class CXFA_Object;
struct XFA_MAPMODULEDATA;
class CJX_Object {
public:
virtual ~CJX_Object();
CXFA_Object* GetXFAObject() { return object_.Get(); }
const CXFA_Object* GetXFAObject() const { return object_.Get(); }
CXFA_Document* GetDocument() const;
bool HasMethod(const WideString& func) const;
void RunMethod(const WideString& func, CFXJSE_Arguments* args);
bool HasAttribute(XFA_Attribute eAttr);
bool SetAttribute(XFA_Attribute eAttr,
const WideStringView& wsValue,
bool bNotify);
bool SetAttribute(const WideStringView& wsAttr,
const WideStringView& wsValue,
bool bNotify);
void RemoveAttribute(const WideStringView& wsAttr);
WideString GetAttribute(const WideStringView& attr);
WideString GetAttribute(XFA_Attribute attr);
pdfium::Optional<WideString> TryAttribute(const WideStringView& wsAttr,
bool bUseDefault);
pdfium::Optional<WideString> TryAttribute(XFA_Attribute eAttr,
bool bUseDefault);
void SetAttributeValue(const WideString& wsValue,
const WideString& wsXMLValue,
bool bNotify,
bool bScriptModify);
pdfium::Optional<int32_t> TryInteger(XFA_Attribute eAttr, bool bUseDefault);
bool SetInteger(XFA_Attribute eAttr, int32_t iValue, bool bNotify);
int32_t GetInteger(XFA_Attribute eAttr);
pdfium::Optional<WideString> TryCData(XFA_Attribute eAttr, bool bUseDefault);
bool SetCData(XFA_Attribute eAttr,
const WideString& wsValue,
bool bNotify,
bool bScriptModify);
WideString GetCData(XFA_Attribute eAttr);
pdfium::Optional<XFA_AttributeEnum> TryEnum(XFA_Attribute eAttr,
bool bUseDefault);
bool SetEnum(XFA_Attribute eAttr, XFA_AttributeEnum eValue, bool bNotify);
XFA_AttributeEnum GetEnum(XFA_Attribute eAttr);
pdfium::Optional<bool> TryBoolean(XFA_Attribute eAttr, bool bUseDefault);
bool SetBoolean(XFA_Attribute eAttr, bool bValue, bool bNotify);
bool GetBoolean(XFA_Attribute eAttr);
pdfium::Optional<CXFA_Measurement> TryMeasure(XFA_Attribute eAttr,
bool bUseDefault) const;
bool SetMeasure(XFA_Attribute eAttr, CXFA_Measurement mValue, bool bNotify);
CXFA_Measurement GetMeasure(XFA_Attribute eAttr) const;
void Script_ObjectClass_ClassName(CFXJSE_Value* pValue,
bool bSetting,
XFA_Attribute eAttribute);
void MergeAllData(CXFA_Object* pDstModule);
void SetCalcData(std::unique_ptr<CXFA_CalcData> data);
CXFA_CalcData* GetCalcData() const { return calc_data_.get(); }
std::unique_ptr<CXFA_CalcData> ReleaseCalcData();
void ThrowInvalidPropertyException() const;
void ThrowArgumentMismatchException() const;
void ThrowIndexOutOfBoundsException() const;
void ThrowParamCountMismatchException(const WideString& method) const;
protected:
explicit CJX_Object(CXFA_Object* obj);
void DefineMethods(const CJX_MethodSpec method_specs[]);
void MoveBufferMapData(CXFA_Object* pSrcModule, CXFA_Object* pDstModule);
void SetMapModuleString(void* pKey, const WideStringView& wsValue);
void ThrowException(const wchar_t* str, ...) const;
private:
void OnChanged(XFA_Attribute eAttr, bool bNotify, bool bScriptModify);
void OnChanging(XFA_Attribute eAttr, bool bNotify);
bool SetUserData(void* pKey,
void* pData,
XFA_MAPDATABLOCKCALLBACKINFO* pCallbackInfo);
// Returns a pointer to the XML node that needs to be updated with the new
// attribute value. |nullptr| if no update is needed.
CFX_XMLElement* SetValue(XFA_Attribute eAttr,
XFA_AttributeType eType,
void* pValue,
bool bNotify);
XFA_MAPMODULEDATA* CreateMapModuleData();
XFA_MAPMODULEDATA* GetMapModuleData() const;
void SetMapModuleValue(void* pKey, void* pValue);
bool GetMapModuleValue(void* pKey, void*& pValue);
bool GetMapModuleString(void* pKey, WideStringView& wsValue);
void SetMapModuleBuffer(void* pKey,
void* pValue,
int32_t iBytes,
XFA_MAPDATABLOCKCALLBACKINFO* pCallbackInfo);
bool GetMapModuleBuffer(void* pKey,
void*& pValue,
int32_t& iBytes,
bool bProtoAlso) const;
bool HasMapModuleKey(void* pKey);
void ClearMapModuleBuffer();
void RemoveMapModuleKey(void* pKey);
void MoveBufferMapData(CXFA_Object* pDstModule);
UnownedPtr<CXFA_Object> object_;
std::unique_ptr<XFA_MAPMODULEDATA> map_module_data_;
std::unique_ptr<CXFA_CalcData> calc_data_;
std::map<ByteString, CJX_MethodCall> method_specs_;
};
#endif // FXJS_CJX_OBJECT_H_
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