// 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 FPDFSDK_JAVASCRIPT_JS_VALUE_H_ #define FPDFSDK_JAVASCRIPT_JS_VALUE_H_ #include <vector> #include "core/fxcrt/include/fx_basic.h" #include "fxjs/include/fxjs_v8.h" class CJS_Array; class CJS_Date; class CJS_Document; class CJS_Object; class CJS_Runtime; class CJS_Value { public: enum Type { VT_unknown, VT_string, VT_number, VT_boolean, VT_date, VT_object, VT_null, VT_undefined }; explicit CJS_Value(CJS_Runtime* pRuntime); CJS_Value(CJS_Runtime* pRuntime, v8::Local<v8::Value> pValue); CJS_Value(CJS_Runtime* pRuntime, const int& iValue); CJS_Value(CJS_Runtime* pRuntime, const double& dValue); CJS_Value(CJS_Runtime* pRuntime, const float& fValue); CJS_Value(CJS_Runtime* pRuntime, const bool& bValue); CJS_Value(CJS_Runtime* pRuntime, CJS_Object* pObj); CJS_Value(CJS_Runtime* pRuntime, const FX_CHAR* pStr); CJS_Value(CJS_Runtime* pRuntime, const FX_WCHAR* pWstr); CJS_Value(CJS_Runtime* pRuntime, const CJS_Array& array); CJS_Value(CJS_Runtime* pRuntime, const CJS_Date& date); CJS_Value(CJS_Runtime* pRuntime, const CJS_Object* object); CJS_Value(const CJS_Value& other); ~CJS_Value(); void SetNull(CJS_Runtime* pRuntime); void SetValue(const CJS_Value& other); void Attach(v8::Local<v8::Value> pValue); void Detach(); static Type GetValueType(v8::Local<v8::Value> value); Type GetType() const { return GetValueType(m_pValue); } int ToInt(CJS_Runtime* pRuntime) const; bool ToBool(CJS_Runtime* pRuntime) const; double ToDouble(CJS_Runtime* pRuntime) const; float ToFloat(CJS_Runtime* pRuntime) const; CJS_Object* ToCJSObject(CJS_Runtime* pRuntime) const; CFX_WideString ToCFXWideString(CJS_Runtime* pRuntime) const; CFX_ByteString ToCFXByteString(CJS_Runtime* pRuntime) const; v8::Local<v8::Object> ToV8Object(CJS_Runtime* pRuntime) const; v8::Local<v8::Array> ToV8Array(CJS_Runtime* pRuntime) const; v8::Local<v8::Value> ToV8Value(CJS_Runtime* pRuntime) const; // Replace the current |m_pValue| with a v8::Number if possible // to make one from the current |m_pValue|. void MaybeCoerceToNumber(CJS_Runtime* pRuntime); bool IsArrayObject() const; bool IsDateObject() const; bool ConvertToArray(CJS_Runtime* pRuntime, CJS_Array&) const; bool ConvertToDate(CJS_Runtime* pRuntime, CJS_Date&) const; protected: v8::Local<v8::Value> m_pValue; }; class CJS_PropValue { public: explicit CJS_PropValue(CJS_Runtime* pRuntime); CJS_PropValue(CJS_Runtime* pRuntime, const CJS_Value&); ~CJS_PropValue(); void StartSetting() { m_bIsSetting = true; } void StartGetting() { m_bIsSetting = false; } bool IsSetting() const { return m_bIsSetting; } bool IsGetting() const { return !m_bIsSetting; } CJS_Runtime* GetJSRuntime() const { return m_pJSRuntime; } CJS_Value* GetJSValue() { return &m_Value; } void operator<<(int val); void operator>>(int&) const; void operator<<(bool val); void operator>>(bool&) const; void operator<<(double val); void operator>>(double&) const; void operator<<(CJS_Object* pObj); void operator>>(CJS_Object*& ppObj) const; void operator<<(CJS_Document* pJsDoc); void operator>>(CJS_Document*& ppJsDoc) const; void operator<<(CFX_ByteString); void operator>>(CFX_ByteString&) const; void operator<<(CFX_WideString); void operator>>(CFX_WideString&) const; void operator<<(const FX_WCHAR* c_string); void operator<<(v8::Local<v8::Object>); void operator>>(v8::Local<v8::Object>&) const; void operator>>(CJS_Array& array) const; void operator<<(CJS_Array& array); void operator<<(CJS_Date& date); void operator>>(CJS_Date& date) const; private: bool m_bIsSetting; CJS_Value m_Value; CJS_Runtime* const m_pJSRuntime; }; class CJS_Array { public: CJS_Array(); CJS_Array(const CJS_Array& other); virtual ~CJS_Array(); void Attach(v8::Local<v8::Array> pArray); void GetElement(CJS_Runtime* pRuntime, unsigned index, CJS_Value& value) const; void SetElement(CJS_Runtime* pRuntime, unsigned index, const CJS_Value& value); int GetLength(CJS_Runtime* pRuntime) const; v8::Local<v8::Array> ToV8Array(CJS_Runtime* pRuntime) const; private: mutable v8::Local<v8::Array> m_pArray; }; class CJS_Date { public: CJS_Date(); CJS_Date(CJS_Runtime* pRuntime, double dMsec_time); CJS_Date(CJS_Runtime* pRuntime, int year, int mon, int day, int hour, int min, int sec); virtual ~CJS_Date(); void Attach(v8::Local<v8::Date> pDate); bool IsValidDate(CJS_Runtime* pRuntime) const; int GetYear(CJS_Runtime* pRuntime) const; void SetYear(CJS_Runtime* pRuntime, int iYear); int GetMonth(CJS_Runtime* pRuntime) const; void SetMonth(CJS_Runtime* pRuntime, int iMonth); int GetDay(CJS_Runtime* pRuntime) const; void SetDay(CJS_Runtime* pRuntime, int iDay); int GetHours(CJS_Runtime* pRuntime) const; void SetHours(CJS_Runtime* pRuntime, int iHours); int GetMinutes(CJS_Runtime* pRuntime) const; void SetMinutes(CJS_Runtime* pRuntime, int minutes); int GetSeconds(CJS_Runtime* pRuntime) const; void SetSeconds(CJS_Runtime* pRuntime, int seconds); v8::Local<v8::Date> ToV8Date(CJS_Runtime* pRuntime) const; double ToDouble(CJS_Runtime* pRuntime) const; CFX_WideString ToString(CJS_Runtime* pRuntime) const; protected: v8::Local<v8::Date> m_pDate; }; double JS_GetDateTime(); int JS_GetYearFromTime(double dt); int JS_GetMonthFromTime(double dt); int JS_GetDayFromTime(double dt); int JS_GetHourFromTime(double dt); int JS_GetMinFromTime(double dt); int JS_GetSecFromTime(double dt); double JS_DateParse(const CFX_WideString& str); double JS_MakeDay(int nYear, int nMonth, int nDay); double JS_MakeTime(int nHour, int nMin, int nSec, int nMs); double JS_MakeDate(double day, double time); bool JS_PortIsNan(double d); double JS_LocalTime(double d); // Some JS methods have the bizarre convention that they may also be called // with a single argument which is an object containing the actual arguments // as its properties. The varying arguments to this method are the property // names as wchar_t string literals corresponding to each positional argument. // The result will always contain |nKeywords| value, with unspecified ones // being set to type VT_unknown. std::vector<CJS_Value> JS_ExpandKeywordParams( CJS_Runtime* pRuntime, const std::vector<CJS_Value>& originals, size_t nKeywords, ...); #endif // FPDFSDK_JAVASCRIPT_JS_VALUE_H_