diff -r 000000000000 -r 1918ee327afb tools/qtconcurrent/codegenerator/example/main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tools/qtconcurrent/codegenerator/example/main.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,83 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the tools applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#include +#include "codegenerator.h" +using namespace CodeGenerator; + +int main() +{ + // The code generator works on items. Each item has a generate() function: + Item item(""); + qDebug() << item.generate(); // produces "". + + // There are several Item subclasses. Text items contains a text string which they + // reproduce when generate is called: + Text text(" Hi there"); + qDebug() << text.generate(); // produces " Hi there". + + // Items can be concatenated: + Item sentence = text + Text(" Bye there") ; + qDebug() << sentence.generate(); // produces "Hi there Bye there". + // (Internally, this creates a tree of items, and generate is called recursively + // for items that have children.) + + // Repeater items repeat their content when generate is called: + Repeater repeater = text; + repeater.setRepeatCount(3); + qDebug() << repeater.generate(); // produces "Hi there Hi there Hi there". + + // Counters evaluate to the current repeat index. + Repeater repeater2 = text + Counter(); + repeater2.setRepeatCount(3); + qDebug() << repeater2.generate(); // produces "Hi there0 Hi there1 Hi there2". + + // Groups provide sub-groups which are repeated according to the current repeat index. + // Counters inside Groups evaluate to the local repeat index for the Group. + Group arguments("Arg" + Counter() + " arg" + Counter()); + Repeater function("void foo(" + arguments + ");\n"); + function.setRepeatCount(3); + qDebug() << function.generate(); + + // Produces: + // void foo(Arg1 arg1); + // void foo(Arg1 arg1, Arg2 arg2); + // void foo(Arg1 arg1, Arg2 arg2, Arg3 arg3); +}