source: branches/vendor/trolltech/qt/current/tools/qtconcurrent/codegenerator/src/codegenerator.cpp @ 2

Last change on this file since 2 was 2, checked in by Dmitry A. Kuminov, 13 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 4.8 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information (qt-info@nokia.com)
5**
6** This file is part of the tools applications of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file.  Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file.  Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
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36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at qt-sales@nokia.com.
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41#include "codegenerator.h"
42#include <qdebug.h>
43namespace CodeGenerator
44{
45
46//Convenience constructor so you can say Item("foo")
47Item::Item(const char * const text) : generator(Text(QByteArray(text)).generator) {}
48
49int BaseGenerator::currentCount(GeneratorStack * const stack) const
50{
51    const int stackSize = stack->count();
52    for (int i = stackSize - 1; i >= 0; --i) {
53        BaseGenerator const * const generator = stack->at(i);
54        switch (generator->type) {
55            case RepeaterType: {
56                RepeaterGenerator const * const repeater = static_cast<RepeaterGenerator const * const>(generator);
57                return repeater->currentRepeat;
58            } break;
59            case GroupType: {
60                GroupGenerator const * const group = static_cast<GroupGenerator const * const>(generator);
61                return group->currentRepeat;
62            } break;
63            default:
64            break;
65        }
66    }
67    return -1;
68}
69
70int BaseGenerator::repeatCount(GeneratorStack * const stack) const
71{
72    const int stackSize = stack->count();
73    for (int i = stackSize - 1; i >= 0; --i) {
74        BaseGenerator const * const generator = stack->at(i);
75        switch (generator->type) {
76            case RepeaterType: {
77                RepeaterGenerator const * const repeater = static_cast<RepeaterGenerator const * const>(generator);
78                return repeater->currentRepeat;
79            } break;
80/*            case GroupType: {
81                GroupGenerator const * const group = static_cast<GroupGenerator const * const>(generator);
82                return group->currentRepeat;
83            } break;
84*/ 
85            default:
86            break;
87        }
88    }
89    return -1;
90}
91
92QByteArray RepeaterGenerator::generate(GeneratorStack * const stack)
93{ 
94    GeneratorStacker stacker(stack, this);
95    QByteArray generated;
96    for (int i = repeatOffset; i < repeatCount + repeatOffset; ++i) {
97        currentRepeat = i;
98        generated += childGenerator->generate(stack);
99    }
100    return generated;
101};
102
103QByteArray GroupGenerator::generate(GeneratorStack * const stack)
104{ 
105    const int repeatCount = currentCount(stack);
106    GeneratorStacker stacker(stack, this);
107    QByteArray generated;
108
109    if (repeatCount > 0)
110        generated += prefix->generate(stack);
111
112    for (int i = 1; i <= repeatCount; ++i) {
113        currentRepeat = i;
114        generated += childGenerator->generate(stack);
115        if (i != repeatCount)
116            generated += separator->generate(stack);
117    }
118
119    if (repeatCount > 0)
120        generated += postfix->generate(stack);
121
122    return generated;
123};
124
125const Compound operator+(const Item &a, const Item &b)
126{
127    return Compound(a, b);
128}
129
130const Compound operator+(const Item &a, const char * const text)
131{
132    return Compound(a, Text(text));
133}
134
135const Compound operator+(const char * const text, const Item &b)
136{
137    return Compound(Text(text), b);   
138}
139
140}
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