// 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 FPDFSDK_JAVASCRIPT_JS_VALUE_H_
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#define FPDFSDK_JAVASCRIPT_JS_VALUE_H_
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#include <vector>
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#include "core/fxcrt/include/fx_basic.h"
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#include "fxjs/include/fxjs_v8.h"
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class CJS_Array;
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class CJS_Date;
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class CJS_Document;
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class CJS_Object;
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class CJS_Runtime;
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class CJS_Value {
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public:
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enum Type {
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VT_unknown,
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VT_string,
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VT_number,
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VT_boolean,
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VT_date,
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VT_object,
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VT_null,
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VT_undefined
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};
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CJS_Value(CJS_Runtime* pRuntime);
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CJS_Value(CJS_Runtime* pRuntime, v8::Local<v8::Value> pValue);
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CJS_Value(CJS_Runtime* pRuntime, const int& iValue);
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CJS_Value(CJS_Runtime* pRuntime, const double& dValue);
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CJS_Value(CJS_Runtime* pRuntime, const float& fValue);
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CJS_Value(CJS_Runtime* pRuntime, const bool& bValue);
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CJS_Value(CJS_Runtime* pRuntime, CJS_Object* pObj);
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CJS_Value(CJS_Runtime* pRuntime, const FX_CHAR* pStr);
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CJS_Value(CJS_Runtime* pRuntime, const FX_WCHAR* pWstr);
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CJS_Value(CJS_Runtime* pRuntime, CJS_Array& array);
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~CJS_Value();
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CJS_Value(const CJS_Value& other);
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void SetNull();
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void Attach(v8::Local<v8::Value> pValue);
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void Attach(CJS_Value* pValue);
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void Detach();
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static Type GetValueType(v8::Local<v8::Value> value);
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Type GetType() const { return GetValueType(m_pValue); }
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int ToInt() const;
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bool ToBool() const;
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double ToDouble() const;
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float ToFloat() const;
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CJS_Object* ToCJSObject() const;
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CFX_WideString ToCFXWideString() const;
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CFX_ByteString ToCFXByteString() const;
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v8::Local<v8::Object> ToV8Object() const;
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v8::Local<v8::Array> ToV8Array() const;
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v8::Local<v8::Value> ToV8Value() const;
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// Replace the current |m_pValue| with a v8::Number if possible
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// to make one from the current |m_pValue|.
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void MaybeCoerceToNumber();
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void operator=(int iValue);
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void operator=(bool bValue);
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void operator=(double val);
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void operator=(float val);
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void operator=(CJS_Object* val);
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void operator=(v8::Local<v8::Object> val);
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void operator=(CJS_Array& val);
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void operator=(CJS_Date& val);
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void operator=(const FX_WCHAR* pWstr);
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void operator=(const FX_CHAR* pStr);
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void operator=(CJS_Value value);
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FX_BOOL IsArrayObject() const;
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FX_BOOL IsDateObject() const;
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FX_BOOL ConvertToArray(CJS_Array&) const;
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FX_BOOL ConvertToDate(CJS_Date&) const;
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CJS_Runtime* GetJSRuntime() const { return m_pJSRuntime; }
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protected:
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v8::Local<v8::Value> m_pValue;
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CJS_Runtime* m_pJSRuntime;
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};
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class CJS_PropValue : public CJS_Value {
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public:
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CJS_PropValue(const CJS_Value&);
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CJS_PropValue(CJS_Runtime* pRuntime);
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~CJS_PropValue();
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FX_BOOL IsSetting() const { return m_bIsSetting; }
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FX_BOOL IsGetting() const { return !m_bIsSetting; }
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void operator<<(int val);
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void operator>>(int&) const;
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void operator<<(bool val);
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void operator>>(bool&) const;
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void operator<<(double val);
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void operator>>(double&) const;
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void operator<<(CJS_Object* pObj);
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void operator>>(CJS_Object*& ppObj) const;
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void operator<<(CJS_Document* pJsDoc);
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void operator>>(CJS_Document*& ppJsDoc) const;
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void operator<<(CFX_ByteString);
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void operator>>(CFX_ByteString&) const;
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void operator<<(CFX_WideString);
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void operator>>(CFX_WideString&) const;
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void operator<<(const FX_WCHAR* c_string);
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void operator<<(v8::Local<v8::Object>);
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void operator>>(v8::Local<v8::Object>&) const;
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void operator>>(CJS_Array& array) const;
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void operator<<(CJS_Array& array);
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void operator<<(CJS_Date& date);
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void operator>>(CJS_Date& date) const;
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operator v8::Local<v8::Value>() const;
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void StartSetting();
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void StartGetting();
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private:
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FX_BOOL m_bIsSetting;
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};
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class CJS_Array {
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public:
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CJS_Array(CJS_Runtime* pRuntime);
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virtual ~CJS_Array();
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CJS_Array(const CJS_Array& other);
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void Attach(v8::Local<v8::Array> pArray);
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void GetElement(unsigned index, CJS_Value& value);
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void SetElement(unsigned index, CJS_Value value);
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int GetLength();
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FX_BOOL IsAttached();
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operator v8::Local<v8::Array>();
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CJS_Runtime* GetJSRuntime() const { return m_pJSRuntime; }
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private:
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v8::Local<v8::Array> m_pArray;
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CJS_Runtime* m_pJSRuntime;
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};
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class CJS_Date {
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friend class CJS_Value;
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public:
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CJS_Date(CJS_Runtime* pRuntime);
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CJS_Date(CJS_Runtime* pRuntime, double dMsec_time);
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CJS_Date(CJS_Runtime* pRuntime,
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int year,
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int mon,
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int day,
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int hour,
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int min,
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int sec);
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virtual ~CJS_Date();
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void Attach(v8::Local<v8::Value> pDate);
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int GetYear();
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void SetYear(int iYear);
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int GetMonth();
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void SetMonth(int iMonth);
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int GetDay();
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void SetDay(int iDay);
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int GetHours();
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void SetHours(int iHours);
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int GetMinutes();
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void SetMinutes(int minutes);
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int GetSeconds();
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void SetSeconds(int seconds);
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operator v8::Local<v8::Value>();
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operator double() const;
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CFX_WideString ToString() const;
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static double
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MakeDate(int year, int mon, int mday, int hour, int min, int sec, int ms);
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FX_BOOL IsValidDate();
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protected:
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v8::Local<v8::Value> m_pDate;
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CJS_Runtime* m_pJSRuntime;
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};
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double JS_GetDateTime();
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int JS_GetYearFromTime(double dt);
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int JS_GetMonthFromTime(double dt);
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int JS_GetDayFromTime(double dt);
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int JS_GetHourFromTime(double dt);
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int JS_GetMinFromTime(double dt);
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int JS_GetSecFromTime(double dt);
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double JS_DateParse(const CFX_WideString& str);
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double JS_MakeDay(int nYear, int nMonth, int nDay);
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double JS_MakeTime(int nHour, int nMin, int nSec, int nMs);
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double JS_MakeDate(double day, double time);
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bool JS_PortIsNan(double d);
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double JS_LocalTime(double d);
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// Some JS methods have the bizarre convention that they may also be called
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// with a single argument which is an object containing the actual arguments
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// as its properties. The varying arguments to this method are the property
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// names as wchar_t string literals corresponding to each positional argument.
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// The result will always contain |nKeywords| value, with unspecified ones
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// being set to type VT_unknown.
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std::vector<CJS_Value> JS_ExpandKeywordParams(
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CJS_Runtime* pRuntime,
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const std::vector<CJS_Value>& originals,
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size_t nKeywords,
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...);
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#endif // FPDFSDK_JAVASCRIPT_JS_VALUE_H_
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