215 lines
6.8 KiB
C++
215 lines
6.8 KiB
C++
// 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/fx_basic.h"
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#include "fxjs/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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explicit 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, const CJS_Array& array);
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CJS_Value(CJS_Runtime* pRuntime, const CJS_Date& date);
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CJS_Value(CJS_Runtime* pRuntime, const CJS_Object* object);
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CJS_Value(const CJS_Value& other);
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~CJS_Value();
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void SetNull(CJS_Runtime* pRuntime);
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void SetValue(const CJS_Value& other);
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void Attach(v8::Local<v8::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(CJS_Runtime* pRuntime) const;
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bool ToBool(CJS_Runtime* pRuntime) const;
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double ToDouble(CJS_Runtime* pRuntime) const;
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float ToFloat(CJS_Runtime* pRuntime) const;
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CJS_Object* ToCJSObject(CJS_Runtime* pRuntime) const;
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CFX_WideString ToCFXWideString(CJS_Runtime* pRuntime) const;
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CFX_ByteString ToCFXByteString(CJS_Runtime* pRuntime) const;
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v8::Local<v8::Object> ToV8Object(CJS_Runtime* pRuntime) const;
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v8::Local<v8::Array> ToV8Array(CJS_Runtime* pRuntime) const;
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v8::Local<v8::Value> ToV8Value(CJS_Runtime* pRuntime) 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(CJS_Runtime* pRuntime);
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bool IsArrayObject() const;
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bool IsDateObject() const;
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bool ConvertToArray(CJS_Runtime* pRuntime, CJS_Array&) const;
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bool ConvertToDate(CJS_Runtime* pRuntime, CJS_Date&) const;
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protected:
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v8::Local<v8::Value> m_pValue;
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};
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class CJS_PropValue {
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public:
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explicit CJS_PropValue(CJS_Runtime* pRuntime);
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CJS_PropValue(CJS_Runtime* pRuntime, const CJS_Value&);
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~CJS_PropValue();
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void StartSetting() { m_bIsSetting = true; }
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void StartGetting() { m_bIsSetting = false; }
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bool IsSetting() const { return m_bIsSetting; }
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bool IsGetting() const { return !m_bIsSetting; }
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CJS_Runtime* GetJSRuntime() const { return m_pJSRuntime; }
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CJS_Value* GetJSValue() { return &m_Value; }
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// These calls may re-enter JS (and hence invalidate objects).
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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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private:
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bool m_bIsSetting;
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CJS_Value m_Value;
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CJS_Runtime* const m_pJSRuntime;
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};
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class CJS_Array {
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public:
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CJS_Array();
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CJS_Array(const CJS_Array& other);
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virtual ~CJS_Array();
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void Attach(v8::Local<v8::Array> pArray);
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int GetLength(CJS_Runtime* pRuntime) const;
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// These two calls may re-enter JS (and hence invalidate objects).
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void GetElement(CJS_Runtime* pRuntime,
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unsigned index,
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CJS_Value& value) const;
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void SetElement(CJS_Runtime* pRuntime,
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unsigned index,
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const CJS_Value& value);
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v8::Local<v8::Array> ToV8Array(CJS_Runtime* pRuntime) const;
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private:
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mutable v8::Local<v8::Array> m_pArray;
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};
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class CJS_Date {
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public:
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CJS_Date();
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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::Date> pDate);
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bool IsValidDate(CJS_Runtime* pRuntime) const;
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int GetYear(CJS_Runtime* pRuntime) const;
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void SetYear(CJS_Runtime* pRuntime, int iYear);
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int GetMonth(CJS_Runtime* pRuntime) const;
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void SetMonth(CJS_Runtime* pRuntime, int iMonth);
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int GetDay(CJS_Runtime* pRuntime) const;
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void SetDay(CJS_Runtime* pRuntime, int iDay);
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int GetHours(CJS_Runtime* pRuntime) const;
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void SetHours(CJS_Runtime* pRuntime, int iHours);
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int GetMinutes(CJS_Runtime* pRuntime) const;
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void SetMinutes(CJS_Runtime* pRuntime, int minutes);
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int GetSeconds(CJS_Runtime* pRuntime) const;
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void SetSeconds(CJS_Runtime* pRuntime, int seconds);
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v8::Local<v8::Date> ToV8Date(CJS_Runtime* pRuntime) const;
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double ToDouble(CJS_Runtime* pRuntime) const;
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CFX_WideString ToString(CJS_Runtime* pRuntime) const;
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protected:
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v8::Local<v8::Date> m_pDate;
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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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