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# Qt 3 Support Members for QUrl

The following class members are part of the Qt 3 support layer. They are provided to help you port old code to Qt 4. We advise against using them in new code.

- QUrl class reference

### Public Functions

- void addPath ( const QString & p )
- bool cdUp ()
- QString dirPath () const
- QString fileName () const
- bool hasHost () const
- bool hasPassword () const
- bool hasPath () const
- bool hasPort () const
- bool hasRef () const
- bool hasUser () const
- QString protocol () const
- QString query () const
- QString ref () const
- void setFileName ( const QString & txt )
- void setProtocol ( const QString & s )
- void setQuery ( const QString & txt )
- void setRef ( const QString & txt )
- void setUser ( const QString & s )
- QString user () const
- operator QString () const

### Static Public Members

- void decode ( QString & url )
- void encode ( QString & url )
- bool isRelativeUrl ( const QString & url )

### Protected Functions

- void reset ()

## Member Function Documentation

### void QUrl::addPath ( const QString & p )

Use setPath() instead.

### bool QUrl::cdUp ()

Use resolved("..") instead.

For example, if you have code like

        QUrl url("http://www.trolltech.com/Developer/");
        url.cdUp();

you can rewrite it as

        QUrl url("http://www.trolltech.com/Developer/");
        url = url.resolved("..");

### void QUrl::decode ( QString & url ) `[static]`

Use fromPercentEncoding() instead.

### QString QUrl::dirPath () const

Use QFileInfo(path()).absolutePath() or QFileInfo(path()) instead.

### void QUrl::encode ( QString & url ) `[static]`

Use toPercentEncoding() instead.

### QString QUrl::fileName () const

Use QFileInfo(path()).fileName() instead.

See also setFileName().

### bool QUrl::hasHost () const

Use !host().isEmpty() instead.

### bool QUrl::hasPassword () const

Use !password().isEmpty() instead.

### bool QUrl::hasPath () const

Use !path().isEmpty() instead.

### bool QUrl::hasPort () const

Use port() != -1 instead.

### bool QUrl::hasRef () const

Use !fragment().isEmpty() instead.

### bool QUrl::hasUser () const

Use !userName().isEmpty() instead.

### bool QUrl::isRelativeUrl ( const QString & url ) `[static]`

Use isRelative() instead.

### QString QUrl::protocol () const

Use scheme() instead.

See also setProtocol().

### QString QUrl::query () const

Use encodedQuery() instead.

See also setQuery().

### QString QUrl::ref () const

Use fragment() instead.

See also setRef().

### void QUrl::reset () `[protected]`

Use clear() instead.

### void QUrl::setFileName ( const QString & txt )

Use setPath() instead.

See also fileName().

### void QUrl::setProtocol ( const QString & s )

Use setScheme() instead.

See also protocol().

### void QUrl::setQuery ( const QString & txt )

Use setEncodedQuery() instead.

See also query().

### void QUrl::setRef ( const QString & txt )

Use setFragment() instead.

See also ref().

### void QUrl::setUser ( const QString & s )

Use setUserName() instead.

See also user().

### QString QUrl::user () const

Use userName() instead.

See also setUser().

### QUrl::operator QString () const

Use toString() instead.