QXmlNamespaceSupport - Helper class for XML readers which
       want to include namespace support

       #include <qxml.h>

   Public Members
       QXmlNamespaceSupport ()
       ~QXmlNamespaceSupport ()
       void setPrefix ( const QString &, const QString & )
       QString prefix ( const QString & ) const
       QString uri ( const QString & ) const
       void splitName ( const QString &, QString &, QString & )
           const
       void processName ( const QString &, bool, QString &,
           QString & ) const
       QStringList prefixes () const
       QStringList prefixes ( const QString & ) const
       void pushContext ()
       void popContext ()
       void reset ()


DESCRIPTION

       The QXmlNamespaceSupport class is a helper class for XML
       readers which want to include namespace support.

       It provides some functions that makes it easy to handle
       namespaces. Its main use is for subclasses of QXmlReader
       which want to provide namespace support.

       See also the namespace description


MEMBER FUNCTION DOCUMENTATION


QXmlNamespaceSupport::QXmlNamespaceSupport ()

       Constructs a QXmlNamespaceSupport.


QXmlNamespaceSupport::~QXmlNamespaceSupport ()

       Destructs a QXmlNamespaceSupport.


void QXmlNamespaceSupport::popContext ()

       Reverts to the previous namespace context.

       Normally, you should pop the context at the end of each
       XML element. After popping the context, all namespace
       prefix mappings that were previously in force are
       restored.


QString QXmlNamespaceSupport::prefix ( const QString & uri )

       const
       Returns one of the prefixes mapped to a namespace URI.

       If more than one prefix is currently mapped to the same
       URI, this function will make an arbitrary selection; if

       instead.

       Note: this will never return the empty (default) prefix;
       to check for a default prefix, use the uri() function with
       an argument of "".


QStringList QXmlNamespaceSupport::prefixes () const

       Returns an enumeration of all prefixes currently declared.

       Note: if there is a default prefix, it will not be
       returned in this enumeration; check for the default prefix
       using uri() with an argument of "".


QStringList QXmlNamespaceSupport::prefixes ( const QString & uri

       ) const
       Returns a list of all prefixes currently declared for a
       URI.

       The xml: prefix will be included. If you want only one
       prefix that's mapped to the namespace URI, and you don't
       care which one you get, use the prefix() function instead.

       Note: the empty (default) prefix is never included in this
       enumeration; to check for the presence of a default
       namespace, use uri() with an argument of "".


void QXmlNamespaceSupport::processName ( const QString & qname,

       bool isAttribute, QString & nsuri, QString & localname )
       const
       Processes a raw XML 1.0 name in the current context by
       removing the prefix and looking it up among the prefixes
       currently declared.

       First parameter is the raw XML 1.0 name to be processed.
       The second parameter is a flag wheter the name is the name
       of an attribute (TRUE) or not (FALSE).

       The return values will be stored in the last two
       parameters as follows:

       The namespace URI, or an empty string if none is in use.

       The local name (without prefix).

       If the raw name has a prefix that has not been declared,
       then the return value will be empty.

       Note that attribute names are processed differently than
       element names: an unprefixed element name will received
       the default namespace (if any), while an unprefixed
       element name will not.

       Starts a new namespace context.

       Normally, you should push a new context at the beginning
       of each XML element: the new context will automatically
       inherit the declarations of its parent context, but it
       will also keep track of which declarations were made
       within this context.


void QXmlNamespaceSupport::reset ()

       Resets this namespace support object for reuse.


void QXmlNamespaceSupport::setPrefix ( const QString & pre, const

       QString & uri )
       This function declares a prefix in the current namespace
       context; the prefix will remain in force until this
       context is popped, unless it is shadowed in a descendant
       context.

       Note that there is an asymmetry in this library: while
       prefix() will not return the default "" prefix, even if
       you have declared one; to check for a default prefix, you
       have to look it up explicitly using uri(). This asymmetry
       exists to make it easier to look up prefixes for attribute
       names, where the default prefix is not allowed.


void QXmlNamespaceSupport::splitName ( const QString & qname,

       QString & prefix, QString & localname ) const
       Splits the name at the ':' and returns the prefix and the
       local name.


QString QXmlNamespaceSupport::uri ( const QString & prefix )

       const
       Looks up a prefix in the current context and returns the
       currently-mapped namespace URI. Use the empty string ("")
       for the default namespace.


SEE ALSO

       http://doc.trolltech.com/qxmlnamespacesupport.html
       http://www.trolltech.com/faq/tech.html


COPYRIGHT

       Copyright 1992-2001 Trolltech AS,
       http://www.trolltech.com.  See the license file included
       in the distribution for a complete license statement.


AUTHOR

       Generated automatically from the source code.


BUGS

       If you find a bug in Qt, please report it as described in
       http://doc.trolltech.com/bughowto.html.  Good bug reports
       make our job much simpler. Thank you.

       manual page, please report them to qt-bugs@trolltech.com.
       Please include the name of the manual page
       (qxmlnamespacesupport.3qt) and the Qt version (2.3.1).


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