quuid.cpp File Reference

#include "quuid.h"
#include "qdatastream.h"
#include "qendian.h"
#include "qdatetime.h"
#include "qfile.h"
#include "qthreadstorage.h"
#include <stdlib.h>

Go to the source code of this file.

Macros
#define	ISLESS(f1, f2)   if (f1!=f2) return (f1<f2);
#define	ISMORE(f1, f2)   if (f1!=f2) return (f1>f2);

Functions
template<class Char , class Integral >
bool	_q_fromHex (const Char *&src, Integral &value)
template<class Char , class Integral >
void	_q_toHex (Char *&dst, Integral value)
template<class Char >
bool	_q_uuidFromHex (const Char *&src, uint &d1, ushort &d2, ushort &d3, uchar(&d4)[8])
template<class Char >
void	_q_uuidToHex (Char *&dst, const uint &d1, const ushort &d2, const ushort &d3, const uchar(&d4)[8])
	Q_GLOBAL_STATIC (QThreadStorage< QFile *>, devUrandomStorage)

Macro Definition Documentation

ISLESS

#define ISLESS	(		f1,
			f2
	)		if (f1!=f2) return (f1<f2);

Definition at line 806 of file quuid.cpp.

Referenced by QUuid::operator<().

ISMORE

#define ISMORE	(		f1,
			f2
	)		if (f1!=f2) return (f1>f2);

Definition at line 835 of file quuid.cpp.

Referenced by QUuid::operator>().

Function Documentation

_q_fromHex()

template<class Char , class Integral >

bool _q_fromHex	(	const Char *&	src,
		Integral &	value
	)

Definition at line 68 of file quuid.cpp.

Referenced by _q_uuidFromHex().

{
    value = 0;

    for (uint i = 0; i < sizeof(Integral) * 2; ++i) {
        int ch = *src++;
        int tmp;
        if (ch >= '0' && ch <= '9')
            tmp = ch - '0';
        else if (ch >= 'a' && ch <= 'f')
            tmp = ch - 'a' + 10;
        else if (ch >= 'A' && ch <= 'F')
            tmp = ch - 'A' + 10;
        else
            return false;

        value = value * 16 + tmp;
    }

    return true;
}

_q_toHex()

template<class Char , class Integral >

void _q_toHex	(	Char *&	dst,
		Integral	value
	)

Definition at line 51 of file quuid.cpp.

Referenced by _q_uuidToHex().

{
    static const char digits[] = "0123456789abcdef";

    value = qToBigEndian(value);

    const char* p = reinterpret_cast<const char*>(&value);

    for (uint i = 0; i < sizeof(Integral); ++i, dst += 2) {
        uint j = (p[i] >> 4) & 0xf;
        dst[0] = Char(digits[j]);
        j = p[i] & 0xf;
        dst[1] = Char(digits[j]);
    }
}

_q_uuidFromHex()

template<class Char >

bool _q_uuidFromHex	(	const Char *&	src,
		uint &	d1,
		ushort &	d2,
		ushort &	d3,
		uchar(&)	d4[8]
	)

Definition at line 109 of file quuid.cpp.

Referenced by QUuid::QUuid().

{
    if (*src == Char('{'))
        src++;
    if (!_q_fromHex(src, d1)
            || *src++ != Char('-')
            || !_q_fromHex(src, d2)
            || *src++ != Char('-')
            || !_q_fromHex(src, d3)
            || *src++ != Char('-')
            || !_q_fromHex(src, d4[0])
            || !_q_fromHex(src, d4[1])
            || *src++ != Char('-')
            || !_q_fromHex(src, d4[2])
            || !_q_fromHex(src, d4[3])
            || !_q_fromHex(src, d4[4])
            || !_q_fromHex(src, d4[5])
            || !_q_fromHex(src, d4[6])
            || !_q_fromHex(src, d4[7])) {
        return false;
    }

    return true;
}

_q_uuidToHex()

template<class Char >

void _q_uuidToHex	(	Char *&	dst,
		const uint &	d1,
		const ushort &	d2,
		const ushort &	d3,
		const uchar(&)	d4[8]
	)

Definition at line 91 of file quuid.cpp.

Referenced by QUuid::toByteArray(), and QUuid::toString().

{
    *dst++ = Char('{');
    _q_toHex(dst, d1);
    *dst++ = Char('-');
    _q_toHex(dst, d2);
    *dst++ = Char('-');
    _q_toHex(dst, d3);
    *dst++ = Char('-');
    for (int i = 0; i < 2; i++)
        _q_toHex(dst, d4[i]);
    *dst++ = Char('-');
    for (int i = 2; i < 8; i++)
        _q_toHex(dst, d4[i]);
    *dst = Char('}');
}

Q_GLOBAL_STATIC()

Q_GLOBAL_STATIC	(	QThreadStorage< QFile *>	,
		devUrandomStorage
	)

Referenced by QUuid::operator>().