Mega Code Archive
QMutableIterators to QList
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/*
* Copyright (c) 2006-2007, Johan Thelin
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of APress nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <QList>
#include <QString>
#include <QtDebug>
void fillAndPrint()
{
QList<QString> list;
list << "foo" << "bar" << "baz";
QString s;
foreach( s, list )
qDebug() << s;
}
void constIterators()
{
QList<int> list;
list << 23 << 27 << 52 << 52;
QListIterator<int> javaIter( list );
while( javaIter.hasNext() )
qDebug() << javaIter.next();
QList<int>::const_iterator stlIter;
for( stlIter = list.begin(); stlIter != list.end(); ++stlIter )
qDebug() << (*stlIter);
}
void mutableIterators()
{
QList<int> list;
list << 27 << 33 << 61 << 62;
QMutableListIterator<int> javaIter( list );
while( javaIter.hasNext() )
{
int value = javaIter.next() + 1;
javaIter.setValue( value );
qDebug() << value;
}
QList<int>::Iterator stlIter;
for( stlIter = list.begin(); stlIter != list.end(); ++stlIter )
{
(*stlIter) = (*stlIter)*2;
qDebug() << (*stlIter);
}
}
void insertAndPrint()
{
QList<QString> list;
list << "first";
list.append( "second" );
list.prepend( "third" );
list.insert( 1, "fourth" );
list.insert( 4, "fifth" );
QString s;
foreach( s, list )
qDebug() << s;
}
void miscExamples()
{
QList<int> list;
for( int i=0; i<10; i++ )
list << i;
int sum = list[5] + list.at(7);
}
int main( void )
{
qDebug() << "Fill and print";
fillAndPrint();
qDebug() << "Const iterators";
constIterators();
qDebug() << "Mutable iterators";
mutableIterators();
qDebug() << "Insert and print";
insertAndPrint();
return 0;
}
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