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
|
/*************************************************************************************
* Copyright (C) 2007 by Aleix Pol <aleixpol@kde.org> *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA *
*************************************************************************************/
#include "variables.h"
#include "expression.h"
#include "value.h"
#include "container.h"
using namespace Analitza;
Variables::Variables() : QHash<QString, Object*>()
{
initializeConstants();
}
void Variables::initializeConstants()
{
insert(QStringLiteral("true"), new Cn(true));
insert(QStringLiteral("false"), new Cn(false));
insert(QStringLiteral("pi"), new Cn(Cn::pi()));
insert(QStringLiteral("e"), new Cn(Cn::e()));
insert(QStringLiteral("euler"), new Cn(Cn::euler()));
insert(QStringLiteral("i"), new Cn(0, 1));
}
Variables::Variables(const Variables& v) : QHash<QString, Object*>(v)
{
QHash<QString, Object*>::iterator i;
for (i = this->begin(); i != this->end(); ++i)
*i = (*i)->copy();
}
Variables::~Variables()
{
qDeleteAll(*this);
}
void Variables::modify(const QString & name, const Expression & e)
{
const Analitza::Object* o=e.tree();
if(o->isContainer() && static_cast<const Container*>(o)->containerType()==Container::math) {
o=*static_cast<const Container*>(o)->constBegin();
}
modify(name, o);
}
Cn* Variables::modify(const QString & name, const double & d)
{
iterator it = find(name);
if(it==end() || (*it)->type()!=Object::value) {
Cn* val=new Cn(d);
insert(name, val);
return val;
} else {
Cn* val = static_cast<Cn*>(*it);
val->setValue(d);
return val;
}
}
void Variables::modify(const QString& name, const Object* o)
{
delete value(name);
insert(name, o->copy());
}
void Variables::rename(const QString& orig, const QString& dest)
{
Q_ASSERT(contains(orig));
insert(dest, take(orig));
}
Expression Variables::valueExpression(const QString& name) const
{
return Expression(value(name)->copy());
}
|
