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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 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, CJS_Array& array);
CJS_Value(const CJS_Value& other);
~CJS_Value();
void SetNull();
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() const;
bool ToBool() const;
double ToDouble() const;
float ToFloat() const;
CJS_Object* ToCJSObject() const;
CFX_WideString ToCFXWideString() const;
CFX_ByteString ToCFXByteString() const;
v8::Local<v8::Object> ToV8Object() const;
v8::Local<v8::Array> ToV8Array() const;
v8::Local<v8::Value> ToV8Value() const;
// Replace the current |m_pValue| with a v8::Number if possible
// to make one from the current |m_pValue|.
void MaybeCoerceToNumber();
void operator=(int iValue);
void operator=(bool bValue);
void operator=(double val);
void operator=(float val);
void operator=(CJS_Object* val);
void operator=(v8::Local<v8::Object> val);
void operator=(const CJS_Array& val);
void operator=(const CJS_Date& val);
void operator=(const CJS_Value& value);
void operator=(const FX_CHAR* pStr);
void operator=(const FX_WCHAR* pWstr);
FX_BOOL IsArrayObject() const;
FX_BOOL IsDateObject() const;
FX_BOOL ConvertToArray(CJS_Array&) const;
FX_BOOL ConvertToDate(CJS_Date&) const;
CJS_Runtime* GetJSRuntime() const { return m_pJSRuntime; }
protected:
v8::Local<v8::Value> m_pValue;
CJS_Runtime* const m_pJSRuntime;
};
class CJS_PropValue : public CJS_Value {
public:
explicit CJS_PropValue(CJS_Runtime* pRuntime);
CJS_PropValue(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; }
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;
};
class CJS_Array {
public:
explicit CJS_Array(CJS_Runtime* pRuntime);
CJS_Array(const CJS_Array& other);
virtual ~CJS_Array();
void Attach(v8::Local<v8::Array> pArray);
void GetElement(unsigned index, CJS_Value& value) const;
void SetElement(unsigned index, CJS_Value value);
int GetLength() const;
v8::Local<v8::Array> ToV8Array() const;
CJS_Runtime* GetJSRuntime() const { return m_pJSRuntime; }
private:
mutable v8::Local<v8::Array> m_pArray;
CJS_Runtime* const m_pJSRuntime;
};
class CJS_Date {
public:
explicit CJS_Date(CJS_Runtime* pRuntime);
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() const;
int GetYear() const;
void SetYear(int iYear);
int GetMonth() const;
void SetMonth(int iMonth);
int GetDay() const;
void SetDay(int iDay);
int GetHours() const;
void SetHours(int iHours);
int GetMinutes() const;
void SetMinutes(int minutes);
int GetSeconds() const;
void SetSeconds(int seconds);
CJS_Runtime* GetJSRuntime() const { return m_pJSRuntime; }
v8::Local<v8::Value> ToV8Value() const { return m_pDate; }
double ToDouble() const;
CFX_WideString ToString() const;
protected:
v8::Local<v8::Date> m_pDate;
CJS_Runtime* const m_pJSRuntime;
};
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_
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