Int32 Class Reference

#include <Numeric.h>

Public Member Functions
	Int32 (int32_t _n)
String	toString (unsigned _base=10) const

Static Public Member Functions
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)

Public Attributes
int32_t	__n

Detailed Description

Definition at line 73 of file Numeric.h.

Constructor & Destructor Documentation

Int32()

Int32::Int32 ( int32_t _n )

inline

Definition at line 88 of file Numeric.inl.

{
    __n = _n;
}

Member Function Documentation

parse() [1/2]

int32_t Int32::parse ( const wchar_t * _number, unsigned _base, int32_t _default )

static

Definition at line 314 of file Numeric.cpp.

{
    __DCL_ASSERT(_number != NULL);
    __DCL_ASSERT(_base > 1);
 
    if (*_number == __T('\0') || iswspace((wint_t)*_number)) {
        return _default;
    }
 
    NumericConvertException::Error error = NumericConvertException::NoError;
    errno = 0;
    wchar_t* endptr = NULL;
    long n = wcstol(_number, &endptr, _base);
    if (errno == ERANGE) {
        if (LONG_MIN == n) {
            error = NumericConvertException::Underflow;
        }
        else if (LONG_MAX == n) {
            error = NumericConvertException::Overflow;
        }
#if __WORDSIZE > 32
        else if (n < INT32_MIN) {
            error = NumericConvertException::Underflow;
        }
        else if (INT32_MAX < n) {
            error = NumericConvertException::Overflow;
        }
#endif
    }
 
    if (NumericConvertException::NoError != error) {
        return _default;
    }
 
    if ((endptr && *endptr != '\0') || errno == EINVAL) {
        return _default;
    }
 
    return (int32_t)n;
}

parse() [2/2]

int32_t Int32::parse ( const wchar_t * _number, unsigned _base = 10 )

static

Definition at line 264 of file Numeric.cpp.

{
    __DCL_ASSERT(_number != NULL);
    __DCL_ASSERT(_base > 1);
 
    if (*_number == __T('\0') || iswspace((wint_t)*_number)) {
        throw new NumericConvertException(_number, _base, 0);
    }
 
    NumericConvertException::Error error = NumericConvertException::NoError;
    errno = 0;
    wchar_t* endptr = NULL;
    long n = wcstol(_number, &endptr, _base);
    if (errno == ERANGE) {
        if (LONG_MIN == n) {
            error = NumericConvertException::Underflow;
        }
        else if (LONG_MAX == n) {
            error = NumericConvertException::Overflow;
        }
#if __WORDSIZE > 32
        else if (n < INT32_MIN) {
            error = NumericConvertException::Underflow;
        }
        else if (INT32_MAX < n) {
            error = NumericConvertException::Overflow;
        }
#endif
    }
 
    if (NumericConvertException::NoError != error) {
        throw new NumericConvertException(
            error,
            _number,
            _base
        );
    }
 
    if ((endptr && *endptr != '\0') || errno == EINVAL) {
        throw new NumericConvertException(
            _number,
            _base,
            endptr ? (endptr - _number) : 0
        );
    }
 
    return (int32_t)n;
}

toByteString()

ByteString Int32::toByteString ( int32_t _n, unsigned _base = 10 )

static

Definition at line 355 of file Numeric.cpp.

{
    __DCL_ASSERT_PARAM(2 <= _base && _base <= 32);
    // 2진수일경우 32 + sign = 33
    ByteBuffer* buf = ByteBuffer::create(40);
    __int32toa(_n, buf->data(), _base);
    buf->__dataLength = ByteString::length(buf->data());
    ByteString s(buf);
    buf->release();
    return s;
}

toString() [1/3]

String Int32::toString ( int32_t _n, const wchar_t * _format )

static

Definition at line 254 of file Numeric.cpp.

{
    if (!_format)
        _format = __T("%ld");
 
    __DCL_ASSERT_PARAM(*_format != '\0');
 
    return String::format(_format, _n);
}

toString() [2/3]

__DCL_BEGIN_NAMESPACE String Int32::toString ( int32_t _n, unsigned _base = 10 )

static

Definition at line 242 of file Numeric.cpp.

{
    __DCL_ASSERT_PARAM(2 <= _base && _base <= 32);
    // 2진수일경우 32 + sign = 33
    CharBuffer* buf = CharBuffer::create(40);
    __int32tow(_n, buf->data(), _base);
    buf->__dataLength = String::length(buf->data());
    String s(buf);
    buf->release();
    return s;
}

toString() [3/3]

String Int32::toString ( unsigned _base = 10 ) const

inline

Definition at line 93 of file Numeric.inl.

{
    return Int32::toString(__n, _base);
}

Member Data Documentation

__n

int32_t Int32::__n

Definition at line 76 of file Numeric.h.

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The documentation for this class was generated from the following files:

• Numeric.h
• Numeric.inl
• Numeric.cpp