quuid.cpp

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

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#include "quuid.h"

/*!
  \class QUuid quuid.h
  \brief The QUuid class defines a Universally Unique Identifier (UUID).

  This class is temporarily copied from Qt 3.0.

  \ingroup qtopiaemb
*/

/*!
  \fn QUuid::QUuid()

  Creates the null UUID {00000000-0000-0000-0000-000000000000}.
*/

/*!
  \fn QUuid::QUuid( uint l, ushort w1, ushort w2, uchar b1, uchar b2, uchar b3, uchar b4, uchar b5, uchar b6, uchar b7, uchar b8 )

  Creates an UUID with the value specified by the parameters, \a l, \a
  w1, \a w2, \a b1, \a b2, \a b3, \a b4, \a b5, \a b6, \a b7, \a b8.

  Example:
  \code
  // {67C8770B-44F1-410A-AB9A-F9B5446F13EE}
  QUuid IID_MyInterface( 0x67c8770b, 0x44f1, 0x410a, 0xab, 0x9a, 0xf9, 0xb5, 0x44, 0x6f, 0x13, 0xee )
  \endcode
*/

/*!
  \fn QUuid::QUuid( const QUuid &orig )

  Creates a copy of the QUuid \a orig.
*/
#ifndef QT_NO_QUUID_STRING
/*!
  Creates a QUuid object from the string \a text. Right now, the function
  can only convert the format {12345678-1234-1234-1234-123456789ABC} and
  will create the null UUID when the conversion fails.
*/
QUuid::QUuid( const QString &text )
{
    bool ok;
    QString temp = text.upper();

    data1 = temp.mid( 1, 8 ).toULong( &ok, 16 );
    if ( !ok ) {
	*this = QUuid();
	return;
    }

    data2 = temp.mid( 10, 4 ).toUInt( &ok, 16 );
    if ( !ok ) {
	*this = QUuid();
	return;
    }
    data3 = temp.mid( 15, 4 ).toUInt( &ok, 16 );
    if ( !ok ) {
	*this = QUuid();
	return;
    }
    data4[0] = temp.mid( 20, 2 ).toUInt( &ok, 16 );
    if ( !ok ) {
	*this = QUuid();
	return;
    }
    data4[1] = temp.mid( 22, 2 ).toUInt( &ok, 16 );
    if ( !ok ) {
	*this = QUuid();
	return;
    }
    for ( int i = 2; i<8; i++ ) {
	data4[i] = temp.mid( 25 + (i-2)*2, 2 ).toUShort( &ok, 16 );
	if ( !ok ) {
	    *this = QUuid();
	    return;
	}
    }
}
#endif
/*!
  \fn QUuid QUuid::operator=(const QUuid &uuid )

  Assigns the value of \a uuid to this QUuid object.
*/

/*!
  \fn bool QUuid::operator==(const QUuid &other) const

  Returns TRUE if this QUuid and the \a other QUuid are identical, otherwise returns FALSE.
*/

/*!
  \fn bool QUuid::operator!=(const QUuid &other) const

  Returns TRUE if this QUuid and the \a other QUuid are different, otherwise returns FALSE.
*/
#ifndef QT_NO_QUUID_STRING
/*!
  QString QUuid::toString() const

  Returns a string in {12345678-1234-1234-1234-123456789ABC} format.
*/
QString QUuid::toString() const
{
    QString result;

    result = "{" + QString::number( data1, 16 ).rightJustify( 8, '0' ) + "-";
    result += QString::number( (int)data2, 16 ).rightJustify( 4, '0' ) + "-";
    result += QString::number( (int)data3, 16 ).rightJustify( 4, '0' ) + "-";
    result += QString::number( (int)data4[0], 16 ).rightJustify( 2, '0' );
    result += QString::number( (int)data4[1], 16 ).rightJustify( 2, '0' ) + "-";
    for ( int i = 2; i < 8; i++ )
	result += QString::number( (int)data4[i], 16 ).rightJustify( 2, '0' );

    return result + "}";
}
#endif
/*!
  Returns TRUE if this is the null UUID {00000000-0000-0000-0000-000000000000}, otherwise returns FALSE.
*/
bool QUuid::isNull() const
{
    return data4[0] == 0 && data4[1] == 0 && data4[2] == 0 && data4[3] == 0 &&
	   data4[4] == 0 && data4[5] == 0 && data4[6] == 0 && data4[7] == 0 &&
	   data1 == 0 && data2 == 0 && data3 == 0;
}