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+'\" t
+.TH QPtrStack 3qt "2 February 2007" "Trolltech AS" \" -*- nroff -*-
+.\" Copyright 1992-2007 Trolltech ASA. All rights reserved. See the
+.\" license file included in the distribution for a complete license
+.\" statement.
+.\"
+.ad l
+.nh
+.SH NAME
+QPtrStack \- Template class that provides a stack
+.SH SYNOPSIS
+\fC#include <qptrstack.h>\fR
+.PP
+.SS "Public Members"
+.in +1c
+.ti -1c
+.BI "\fBQPtrStack\fR ()"
+.br
+.ti -1c
+.BI "\fBQPtrStack\fR ( const QPtrStack<type> & s )"
+.br
+.ti -1c
+.BI "\fB~QPtrStack\fR ()"
+.br
+.ti -1c
+.BI "QPtrStack<type> & \fBoperator=\fR ( const QPtrStack<type> & s )"
+.br
+.ti -1c
+.BI "bool \fBautoDelete\fR () const"
+.br
+.ti -1c
+.BI "void \fBsetAutoDelete\fR ( bool enable )"
+.br
+.ti -1c
+.BI "uint \fBcount\fR () const"
+.br
+.ti -1c
+.BI "bool \fBisEmpty\fR () const"
+.br
+.ti -1c
+.BI "void \fBpush\fR ( const type * d )"
+.br
+.ti -1c
+.BI "type * \fBpop\fR ()"
+.br
+.ti -1c
+.BI "bool \fBremove\fR ()"
+.br
+.ti -1c
+.BI "void \fBclear\fR ()"
+.br
+.ti -1c
+.BI "type * \fBtop\fR () const"
+.br
+.ti -1c
+.BI "\fBoperator type *\fR () const"
+.br
+.ti -1c
+.BI "type * \fBcurrent\fR () const"
+.br
+.in -1c
+.SS "Protected Members"
+.in +1c
+.ti -1c
+.BI "virtual QDataStream & \fBread\fR ( QDataStream & s, QPtrCollection::Item & item )"
+.br
+.ti -1c
+.BI "virtual QDataStream & \fBwrite\fR ( QDataStream & s, QPtrCollection::Item item ) const"
+.br
+.in -1c
+.SH DESCRIPTION
+The QPtrStack class is a template class that provides a stack.
+.PP
+QValueStack is an STL-compatible alternative to this class.
+.PP
+Define a template instance QPtrStack<X> to create a stack that operates on pointers to X, (X*).
+.PP
+A stack is a last in, first out (LIFO) structure. Items are added to the top of the stack with push() and retrieved from the top with pop(). Use top() to get a reference to the top element without changing the stack.
+.PP
+You can control the stack's deletion policy with setAutoDelete().
+.PP
+For compatibility with the QPtrCollection classes current() and remove() are provided; they both operate on the top().
+.PP
+See also QPtrList, QPtrQueue, and Non-GUI Classes.
+.SH MEMBER FUNCTION DOCUMENTATION
+.SH "QPtrStack::QPtrStack ()"
+Creates an empty stack.
+.SH "QPtrStack::QPtrStack ( const QPtrStack<type> & s )"
+Creates a stack by making a shallow copy of another stack \fIs\fR.
+.SH "QPtrStack::~QPtrStack ()"
+Destroys the stack. All items will be deleted if autoDelete() is TRUE.
+.SH "bool QPtrStack::autoDelete () const"
+The same as QPtrCollection::autoDelete().
+.PP
+See also setAutoDelete().
+.SH "void QPtrStack::clear ()"
+Removes all items from the stack, deleting them if autoDelete() is TRUE.
+.PP
+See also remove().
+.SH "uint QPtrStack::count () const"
+Returns the number of items in the stack.
+.PP
+See also isEmpty().
+.SH "type * QPtrStack::current () const"
+Returns a pointer to the top item on the stack (most recently pushed). The stack is not changed. Returns 0 if the stack is empty.
+.SH "bool QPtrStack::isEmpty () const"
+Returns TRUE if the stack contains no elements; otherwise returns FALSE.
+.SH "QPtrStack::operator type * () const"
+Returns a pointer to the top item on the stack (most recently pushed). The stack is not changed. Returns 0 if the stack is empty.
+.SH "QPtrStack<type> & QPtrStack::operator= ( const QPtrStack<type> & s )"
+Sets the contents of this stack by making a shallow copy of another stack \fIs\fR. Elements currently in this stack will be deleted if autoDelete() is TRUE.
+.SH "type * QPtrStack::pop ()"
+Removes the top item from the stack and returns it. The stack must not be empty.
+.SH "void QPtrStack::push ( const type * d )"
+Adds an element \fId\fR to the top of the stack. Last in, first out.
+.SH "QDataStream & QPtrStack::read ( QDataStream & s, QPtrCollection::Item & item )\fC [virtual protected]\fR"
+Reads a stack item, \fIitem\fR, from the stream \fIs\fR and returns a reference to the stream.
+.PP
+The default implementation sets \fIitem\fR to 0.
+.PP
+See also write().
+.SH "bool QPtrStack::remove ()"
+Removes the top item from the stack and deletes it if autoDelete() is TRUE. Returns TRUE if there was an item to pop; otherwise returns FALSE.
+.PP
+See also clear().
+.SH "void QPtrStack::setAutoDelete ( bool enable )"
+Defines whether this stack auto-deletes its contents. The same as QPtrCollection::setAutoDelete().
+.PP
+If \fIenable\fR is TRUE the stack auto-deletes its contents; if \fIenable\fR is FALSE the stack does not delete its contents.
+.PP
+See also autoDelete().
+.SH "type * QPtrStack::top () const"
+Returns a pointer to the top item on the stack (most recently pushed). The stack is not changed. Returns 0 if the stack is empty.
+.SH "QDataStream & QPtrStack::write ( QDataStream & s, QPtrCollection::Item item ) const\fC [virtual protected]\fR"
+Writes a stack item, \fIitem\fR, to the stream \fIs\fR and returns a reference to the stream.
+.PP
+The default implementation does nothing.
+.PP
+See also read().
+
+.SH "SEE ALSO"
+.BR http://doc.trolltech.com/qptrstack.html
+.BR http://www.trolltech.com/faq/tech.html
+.SH COPYRIGHT
+Copyright 1992-2007 Trolltech ASA, http://www.trolltech.com. See the
+license file included in the distribution for a complete license
+statement.
+.SH AUTHOR
+Generated automatically from the source code.
+.SH BUGS
+If you find a bug in Qt, please report it as described in
+.BR http://doc.trolltech.com/bughowto.html .
+Good bug reports help us to help you. Thank you.
+.P
+The definitive Qt documentation is provided in HTML format; it is
+located at $QTDIR/doc/html and can be read using Qt Assistant or with
+a web browser. This man page is provided as a convenience for those
+users who prefer man pages, although this format is not officially
+supported by Trolltech.
+.P
+If you find errors in this manual page, please report them to
+Please include the name of the manual page (qptrstack.3qt) and the Qt
+version (3.3.8).