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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 _FX_LOCALE_H_
#define _FX_LOCALE_H_
class CFX_Unitime;
class IFX_Locale;
class IFX_FormatString;
class IFX_LocaleMgr;
enum FX_LOCALENUMSYMBOL {
    FX_LOCALENUMSYMBOL_Decimal,
    FX_LOCALENUMSYMBOL_Grouping,
    FX_LOCALENUMSYMBOL_Percent,
    FX_LOCALENUMSYMBOL_Minus,
    FX_LOCALENUMSYMBOL_Zero,
    FX_LOCALENUMSYMBOL_CurrencySymbol,
    FX_LOCALENUMSYMBOL_CurrencyName,
};
enum FX_LOCALEDATETIMESUBCATEGORY {
    FX_LOCALEDATETIMESUBCATEGORY_Default,
    FX_LOCALEDATETIMESUBCATEGORY_Short,
    FX_LOCALEDATETIMESUBCATEGORY_Medium,
    FX_LOCALEDATETIMESUBCATEGORY_Full,
    FX_LOCALEDATETIMESUBCATEGORY_Long,
};
enum FX_LOCALENUMSUBCATEGORY {
    FX_LOCALENUMPATTERN_Percent,
    FX_LOCALENUMPATTERN_Currency,
    FX_LOCALENUMPATTERN_Decimal,
    FX_LOCALENUMPATTERN_Integer,
};
enum FX_LOCALECATEGORY {
    FX_LOCALECATEGORY_Unknown,
    FX_LOCALECATEGORY_Date,
    FX_LOCALECATEGORY_Time,
    FX_LOCALECATEGORY_DateTime,
    FX_LOCALECATEGORY_Num,
    FX_LOCALECATEGORY_Text,
    FX_LOCALECATEGORY_Zero,
    FX_LOCALECATEGORY_Null,
};
enum FX_DATETIMETYPE {
    FX_DATETIMETYPE_Unknown,
    FX_DATETIMETYPE_Date,
    FX_DATETIMETYPE_Time,
    FX_DATETIMETYPE_DateTime,
    FX_DATETIMETYPE_TimeDate,
};
class IFX_Locale
{
public:
    static IFX_Locale* Create(CXML_Element* pLocaleData);

    virtual void	Release() = 0;


    virtual CFX_WideString GetName() = 0;

    virtual void	GetNumbericSymbol(FX_LOCALENUMSYMBOL eType, CFX_WideString& wsNumSymbol) const = 0;
    virtual void	GetDateTimeSymbols(CFX_WideString& wsDtSymbol) const = 0;
    virtual void	GetMonthName(int32_t nMonth, CFX_WideString& wsMonthName, FX_BOOL bAbbr = TRUE) const = 0;
    virtual void	GetDayName(int32_t nWeek, CFX_WideString& wsDayName, FX_BOOL bAbbr = TRUE) const = 0;
    virtual void	GetMeridiemName(CFX_WideString& wsMeridiemName, FX_BOOL bAM = TRUE) const = 0;
    virtual void	GetTimeZone(FX_TIMEZONE& tz) const = 0;
    virtual void	GetEraName(CFX_WideString& wsEraName, FX_BOOL bAD = TRUE) const = 0;
    virtual void	GetDatePattern(FX_LOCALEDATETIMESUBCATEGORY eType, CFX_WideString& wsPattern) const = 0;
    virtual void	GetTimePattern(FX_LOCALEDATETIMESUBCATEGORY eType, CFX_WideString& wsPattern) const = 0;
    virtual void	GetNumPattern(FX_LOCALENUMSUBCATEGORY eType, CFX_WideString& wsPattern) const = 0;
};
class IFX_LocaleMgr
{
public:
    virtual void			Release() = 0;
    virtual FX_WORD			GetDefLocaleID() = 0;
    virtual IFX_Locale* 	GetDefLocale() = 0;
    virtual IFX_Locale* 	GetLocale(FX_WORD lcid) = 0;
    virtual IFX_Locale* 	GetLocaleByName(FX_WSTR wsLocaleName) = 0;
};
IFX_LocaleMgr*	FX_LocaleMgr_Create(FX_LPCWSTR pszLocalPath, FX_WORD wDefaultLCID);
void			FX_ParseNumString(const CFX_WideString& wsNum, CFX_WideString& wsResult);
FX_BOOL			FX_DateFromCanonical(const CFX_WideString& wsDate, CFX_Unitime& datetime);
FX_BOOL			FX_TimeFromCanonical(FX_WSTR wsTime, CFX_Unitime& datetime, IFX_Locale* pLocale);
class IFX_FormatString
{
public:
    static IFX_FormatString* Create(IFX_LocaleMgr* pLocaleMgr, FX_BOOL bUseLCID);

    virtual void Release() = 0;
    virtual void SplitFormatString(const CFX_WideString& wsFormatString, CFX_WideStringArray& wsPatterns) = 0;
    virtual FX_LOCALECATEGORY	GetCategory(const CFX_WideString& wsPattern) = 0;
    virtual FX_WORD				GetLCID(const CFX_WideString& wsPattern) = 0;
    virtual CFX_WideString		GetLocaleName(const CFX_WideString& wsPattern) = 0;
    virtual FX_BOOL	ParseText(const CFX_WideString& wsSrcText, const CFX_WideString& wsPattern, CFX_WideString& wsValue) = 0;
    virtual FX_BOOL	ParseNum(const CFX_WideString& wsSrcNum, const CFX_WideString& wsPattern, FX_FLOAT &fValue) = 0;
    virtual FX_BOOL	ParseNum(const CFX_WideString& wsSrcNum, const CFX_WideString& wsPattern, CFX_WideString &wsValue) = 0;
    virtual FX_BOOL	ParseDateTime(const CFX_WideString& wsSrcDateTime, const CFX_WideString& wsPattern, FX_DATETIMETYPE eDateTimeType, CFX_Unitime& dtValue) = 0;
    virtual FX_BOOL ParseZero(const CFX_WideString& wsSrcText, const CFX_WideString& wsPattern) = 0;
    virtual FX_BOOL ParseNull(const CFX_WideString& wsSrcText, const CFX_WideString& wsPattern) = 0;
    virtual FX_BOOL	FormatText(const CFX_WideString& wsSrcText, const CFX_WideString& wsPattern, CFX_WideString& wsOutput) = 0;
    virtual FX_BOOL	FormatNum(const CFX_WideString& wsSrcNum, const CFX_WideString& wsPattern, CFX_WideString& wsOutput) = 0;
    virtual FX_BOOL	FormatNum(FX_FLOAT fNum, const CFX_WideString& wsPattern, CFX_WideString& wsOutput) = 0;
    virtual FX_BOOL	FormatDateTime(const CFX_WideString& wsSrcDateTime, const CFX_WideString& wsPattern, CFX_WideString& wsOutput) = 0;
    virtual FX_BOOL	FormatDateTime(const CFX_WideString& wsSrcDateTime, const CFX_WideString& wsPattern, CFX_WideString& wsOutput, FX_DATETIMETYPE eDateTimeType) = 0;
    virtual FX_BOOL	FormatDateTime(const CFX_Unitime& dt, const CFX_WideString& wsPattern, CFX_WideString& wsOutput) = 0;
    virtual FX_BOOL FormatZero(const CFX_WideString& wsPattern, CFX_WideString& wsOutput) = 0;
    virtual FX_BOOL FormatNull(const CFX_WideString& wsPattern, CFX_WideString& wsOutput) = 0;
};
class CFX_Decimal
{
public:
    CFX_Decimal();
    CFX_Decimal(uint32_t val);
    CFX_Decimal(uint64_t val);
    CFX_Decimal(int32_t val);
    CFX_Decimal(int64_t val);
    CFX_Decimal(FX_FLOAT val, uint8_t scale = 3);
    CFX_Decimal(FX_WSTR str);
    CFX_Decimal(FX_BSTR str);
    operator CFX_WideString() const;
    operator double() const;
    FX_BOOL operator == (const CFX_Decimal& val) const;
    FX_BOOL operator <= (const CFX_Decimal& val) const;
    FX_BOOL operator >= (const CFX_Decimal& val) const;
    FX_BOOL operator != (const CFX_Decimal& val) const;
    FX_BOOL operator <  (const CFX_Decimal& val) const;
    FX_BOOL operator >  (const CFX_Decimal& val) const;
    CFX_Decimal operator + (const CFX_Decimal& val) const;
    CFX_Decimal operator - (const CFX_Decimal& val) const;
    CFX_Decimal operator * (const CFX_Decimal& val) const;
    CFX_Decimal operator / (const CFX_Decimal& val) const;
    CFX_Decimal operator % (const CFX_Decimal& val) const;
    void		SetScale(uint8_t newScale);
    uint8_t	GetScale();
    void		SetAbs();
    void		SetNegate();
    void		SetFloor();
    void		SetCeiling();
    void		SetTruncate();
protected:
    CFX_Decimal(uint32_t hi, uint32_t mid, uint32_t lo, FX_BOOL neg, uint8_t scale);
    inline FX_BOOL	IsNotZero() const
    {
        return m_uHi || m_uMid || m_uLo;
    }
    inline int8_t	Compare (const CFX_Decimal& val) const;
    inline void		Swap(CFX_Decimal& val);
    inline void		FloorOrCeil(FX_BOOL bFloor);
    CFX_Decimal		AddOrMinus(const CFX_Decimal& val, FX_BOOL isAdding) const;
    CFX_Decimal		Multiply(const CFX_Decimal& val) const;
    CFX_Decimal		Divide(const CFX_Decimal& val) const;
    CFX_Decimal		Modulus(const CFX_Decimal& val) const;
    uint32_t		m_uFlags;
    uint32_t		m_uHi;
    uint32_t		m_uLo;
    uint32_t		m_uMid;
};
#endif