Numeric.h

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#ifndef __DCL_NUMERIC_H__
#define __DCL_NUMERIC_H__   20050305
 
#ifndef __DCL_CONFIG_H__
#include <dcl/Config.h>
#endif
#ifndef __DCL_STRING_H__
#include <dcl/String.h>
#endif
#ifndef __DCL_EXCEPTION_H__
#include <dcl/Exception.h>
#endif
 
__DCL_BEGIN_NAMESPACE
 
class Integer;
class UInteger;
class Int32;
class UInt32;
class Int64;
class UInt32;
class Single;
class Double;
class Decimal;
 
class DCLCAPI Integer
{
public:
    int     __n;
 
public:
    Integer(int _n);
    String toString(unsigned _base = 10) const;

    static String toString(int _n, unsigned _base = 10);
    static String toString(int _n, const wchar_t* _format);
 
    static int parse(const wchar_t* _number, unsigned _base = 10)
        __DCL_THROWS1(NumericConvertException*);
 
    static int parse(
        const wchar_t* _number, unsigned _base,
        int _default
    );
};
 
class DCLCAPI UInteger
{
public:
    unsigned int        __u;
 
public:
    UInteger(unsigned int _u);
    String toString(unsigned _base = 10) const;
    static String toString(unsigned int _u, unsigned _base = 10);
    static String toString(unsigned int _u, const wchar_t* _format);
 
    static unsigned int parse(const wchar_t* _number, unsigned _base = 10)
        __DCL_THROWS1(NumericConvertException*);
 
    static unsigned int parse(
        const wchar_t* _number, unsigned _base,
        unsigned int _default
    );
};
 
class DCLCAPI Int32
{
public:
    int32_t     __n;
 
public:
    Int32(int32_t _n);
    String toString(unsigned _base = 10) const;
 
    static String toString(int32_t _n, unsigned _base = 10);
    static String toString(int32_t _n, const wchar_t* _format);
 
    static int32_t parse(const wchar_t* _number, unsigned _base = 10)
        __DCL_THROWS1(NumericConvertException*);
 
    static int32_t parse(
        const wchar_t* _number, unsigned _base,
        int32_t _default
    );
 
    static ByteString toByteString(int32_t _n, unsigned _base = 10);
};
 
class DCLCAPI UInt32
{
public:
    uint32_t        __u;
 
public:
    UInt32(uint32_t _u);
    String toString(unsigned _base = 10) const;
 
    static String toString(uint32_t _u, unsigned _base = 10);
    static String toString(uint32_t _u, const wchar_t* _format);
 
    static uint32_t parse(const wchar_t* _number, unsigned _base = 10)
        __DCL_THROWS1(NumericConvertException*);
 
    static uint32_t parse(
        const wchar_t* _number, unsigned _base,
        uint32_t _default
    );
 
    static ByteString toByteString(uint32_t _u, unsigned _base = 10);
};
 
class DCLCAPI Int64
{
public:
    int64_t     __n;
 
public:
    Int64(int64_t _n);
    String toString(unsigned _base = 10) const;
 
    static String toString(int64_t _n, unsigned _base = 10);
    static String toString(int64_t _n, const wchar_t* _format);
 
    static int64_t parse(const wchar_t* _number, unsigned _base = 10)
        __DCL_THROWS1(NumericConvertException*);
 
    static int64_t parse(
        const wchar_t* _number, unsigned _base,
        int64_t _default
    );
 
    static ByteString toByteString(int64_t _n, unsigned _base = 10);
};
 
class DCLCAPI UInt64
{
public:
    uint64_t        __u;
 
public:
    UInt64(uint64_t _u);
    String toString(unsigned _base = 10) const;
 
    static String toString(uint64_t _u, unsigned _base = 10);
    static String toString(uint64_t _u, const wchar_t* _format);
 
    static uint64_t parse(const wchar_t* _number, unsigned _base = 10)
        __DCL_THROWS1(NumericConvertException*);
 
    static uint64_t parse(
        const wchar_t* _number, unsigned _base,
        uint64_t _default
    );
 
    static ByteString toByteString(uint64_t _u, unsigned _base = 10);
};
 
class DCLCAPI Single
{
public:
    float       __f;
 
public:
    Single(float _f);
    String toString() const;
#if 0
    // use gcvt
    static String toString(float _f);
#endif
    // use String::format
    static String toString(float _f, const wchar_t* _format);
 
    // _number  
    //  - glibc : decimal, hex-decimal, infinite or NAM(not-a-number)
    //  - msvcrt : decimal
    static float parse(const wchar_t* _number)
        __DCL_THROWS1(NumericConvertException*);
 
    static float parse(const wchar_t* _number, float _default);
 
    static ByteString toByteString(float _f, const char* _format);
};
 
class DCLCAPI Double
{
public:
    double      __d;
 
public:
    Double(double _d);
    String toString() const;
#if 0
    // use gcvt
    static String toString(double _d);
#endif
    // use String::format
    static String toString(double _d, const wchar_t* _format);
 
    static double parse(const wchar_t* _number)
        __DCL_THROWS1(NumericConvertException*);
 
    static double parse(const wchar_t* _number, double _default);
 
    static ByteString toByteString(double _f, const char* _format);
};
 
class DCLCAPI Decimal
{
protected:
    String __value;
public:
    Decimal();
    Decimal(const Decimal& _value);
#if 0
    Decimal(int _n);
    Decimal(unsigned int _u);
#endif
    Decimal(int32_t _n);
    Decimal(uint32_t _u);
    Decimal(int64_t _n);
    Decimal(uint64_t _u);
    Decimal(float f);
    Decimal(double d);
    Decimal(const String& strNumber);
 
    void assign(const wchar_t* _number, int _n);
 
    const Decimal& operator = (const Decimal& _value);
#if 0
    const Decimal& operator = (int _n);
    const Decimal& operator = (unsigned int _u);
#endif
    const Decimal& operator = (int32_t _n);
    const Decimal& operator = (uint32_t _u);
    const Decimal& operator = (int64_t _n);
    const Decimal& operator = (uint64_t _u);
 
    const Decimal& operator = (float _value);
    const Decimal& operator = (double _value);
 
    const Decimal& operator = (const String& strNumber);
 
    static const char* FORMAT_STRING;  // "#,###.####"
 
    String toString() const;
    String toStringF(const char* pszDecimalFormat = NULL) const;
 
    static String toString(const Decimal& _value);
    static String toStringF(
        const Decimal& _value,
        const char* pszDecimalFormat = NULL
    );
};
 
#include <dcl/Numeric.inl>
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_NUMERIC_H__