1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*
This file is part of KDE.
Copyright (c) 2004 Cornelius Schumacher <schumacher@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <QtCore/QMap>
#include <QtCore/QStringList>
#include "statemachine.h"
using namespace KODE;
class StateMachine::Private
{
public:
QMap<QString,Code> mStateMap;
QString mInitialState;
};
StateMachine::StateMachine()
: d( new Private )
{
}
StateMachine::StateMachine( const StateMachine &other )
: d( new Private )
{
*d = *other.d;
}
StateMachine::~StateMachine()
{
delete d;
}
StateMachine& StateMachine::operator=( const StateMachine &other )
{
if ( this == &other )
return *this;
*d = *other.d;
return *this;
}
void StateMachine::setState( const QString &state, const Code &code )
{
d->mStateMap.insert( state, code );
if ( d->mInitialState.isEmpty() )
d->mInitialState = state;
}
void StateMachine::setInitialState( const QString &state )
{
d->mInitialState = state;
}
Code StateMachine::stateDefinition() const
{
Code code;
QStringList states;
QMap<QString,Code>::ConstIterator it;
for ( it = d->mStateMap.constBegin(); it != d->mStateMap.constEnd(); ++it ) {
states.append( it.key() );
}
code += QLatin1String("enum State { ") + states.join( QLatin1String(", ") ) + QLatin1String(" };");
code += QLatin1String("State state = ") + d->mInitialState + QLatin1Char(';');
return code;
}
Code StateMachine::transitionLogic() const
{
Code code;
code += QLatin1String("switch( state ) {");
code.indent();
QMap<QString,Code>::ConstIterator it;
for ( it = d->mStateMap.constBegin(); it != d->mStateMap.constEnd(); ++it ) {
code += QLatin1String("case ") + it.key() + QLatin1Char(':');
code.indent();
code.addBlock( it.value() );
code += QLatin1String("break;");
code.unindent();
}
code += QLatin1String("default:");
code.indent();
code += QLatin1String("break;");
code.unindent();
code.unindent();
code += QLatin1String("}");
return code;
}
|
