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[modules/yacs.git] / src / engine / ConditionInputPort.cxx
1 // Copyright (C) 2006-2014  CEA/DEN, EDF R&D
2 //
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
7 //
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11 // Lesser General Public License for more details.
12 //
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
16 //
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
18 //
19
20 #include "ConditionInputPort.hxx"
21 #include "WhileLoop.hxx"
22 #include "OutputPort.hxx"
23 #include <iostream>
24 #include <string>
25
26 using namespace YACS::ENGINE;
27 using namespace std;
28
29 ConditionInputPort::ConditionInputPort(const std::string& name, WhileLoop *node):InputPort(name,node,Runtime::_tc_bool),
30                                                                                  DataPort(name,node,Runtime::_tc_bool),
31                                                                                  Port(node),_outOfScopeBackLink(0),_value(0)
32 {
33 }
34
35 ConditionInputPort::ConditionInputPort(const ConditionInputPort& other, Node *newHelder):InputPort(other,newHelder),
36                                                                                          DataPort(other,newHelder),Port(other,newHelder),
37                                                                                          _outOfScopeBackLink(0),_value(0)
38 {
39   if(other._value)
40     _value=other._value->clone();
41 }
42
43 ConditionInputPort::~ConditionInputPort()
44 {
45   if(_value)
46     _value->decrRef();
47 }
48
49 void ConditionInputPort::exSaveInit()
50 {
51   if(_initValue) _initValue->decrRef();
52   _initValue=_value;
53   _initValue->incrRef();
54 }
55
56 void ConditionInputPort::exRestoreInit()
57 {
58   if(!_initValue)
59     return;
60   if(_value)
61     _value->decrRef();
62   _value=_initValue;
63   _value->incrRef();
64 }
65
66 InputPort *ConditionInputPort::clone(Node *newHelder) const
67 {
68   return new ConditionInputPort(*this,newHelder);
69 }
70
71 bool ConditionInputPort::isLinkedOutOfScope() const
72 {
73   return _outOfScopeBackLink!=0;
74 }
75
76 void ConditionInputPort::edNotifyReferencedBy(OutPort *fromPort)
77 {
78   if(!((ComposedNode*)(_node))->isInMyDescendance(fromPort->getNode()))
79     {
80       if(_outOfScopeBackLink)
81         throw Exception("ConditionInputPort::edNotifyReferenced : already linked from outside");
82       _outOfScopeBackLink=fromPort;
83     }
84   InputPort::edNotifyReferencedBy(fromPort);
85 }
86
87 void ConditionInputPort::edNotifyDereferencedBy(OutPort *fromPort)
88 {
89   if(fromPort==_outOfScopeBackLink)
90     _outOfScopeBackLink=0;
91   else
92     if(!((ComposedNode*)(_node))->isInMyDescendance(fromPort->getNode()))
93       throw Exception("ConditionInputPort::edNotifyDereferencedBy link does not exists");
94   InputPort::edNotifyDereferencedBy(fromPort);
95 }
96
97 void *ConditionInputPort::get() const
98 {
99   return (void *)_value;
100 }
101
102 void ConditionInputPort::put(const void *data) throw(ConversionException)
103 {
104   put((Any*)data);
105 }
106
107 void ConditionInputPort::put(Any *data) throw(ConversionException)
108 {
109   if(_value)
110     _value->decrRef();
111   _value=data;
112   _value->incrRef();
113 }    
114
115 std::string ConditionInputPort::dump()
116 {
117   string xmldump;
118   if (_value->getBoolValue())
119     xmldump="<value><boolean>true</boolean></value>\n";
120   else
121     xmldump="<value><boolean>false</boolean></value>\n";
122   return xmldump;
123 }
124
125 std::string ConditionInputPort::getAsString()
126 {
127   return (getValue() ? "True" : "False");
128 }
129