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39
40#ifndef QSCXMLEVENT_P_H
41#define QSCXMLEVENT_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtScxml/qscxmlevent.h>
55#include <QtScxml/private/qscxmlexecutablecontent_p.h>
56
57#ifndef BUILD_QSCXMLC
58#include <QtScxml/qscxmlstatemachine.h>
59#endif
60
61#include <QtCore/qatomic.h>
62
63QT_BEGIN_NAMESPACE
64
65#ifndef BUILD_QSCXMLC
66class QScxmlEventBuilder
67{
68 QScxmlStateMachine *stateMachine;
69 QScxmlExecutableContent::StringId instructionLocation;
70 QString event;
71 QScxmlExecutableContent::EvaluatorId eventexpr;
72 QString contents;
73 QScxmlExecutableContent::EvaluatorId contentExpr;
74 const QScxmlExecutableContent::Array<QScxmlExecutableContent::ParameterInfo> *params;
75 QScxmlEvent::EventType eventType;
76 QString id;
77 QString idLocation;
78 QString target;
79 QScxmlExecutableContent::EvaluatorId targetexpr;
80 QString type;
81 QScxmlExecutableContent::EvaluatorId typeexpr;
82 const QScxmlExecutableContent::Array<QScxmlExecutableContent::StringId> *namelist;
83
84 static QAtomicInt idCounter;
85 QString generateId() const
86 {
87 QString id = QString::number(++idCounter);
88 id.prepend(QStringLiteral("id-"));
89 return id;
90 }
91
92 QScxmlEventBuilder()
93 { init(); }
94
95 void init() // Because stupid VS2012 can't cope with non-static field initializers.
96 {
97 stateMachine = nullptr;
98 eventexpr = QScxmlExecutableContent::NoEvaluator;
99 contentExpr = QScxmlExecutableContent::NoEvaluator;
100 params = nullptr;
101 eventType = QScxmlEvent::ExternalEvent;
102 targetexpr = QScxmlExecutableContent::NoEvaluator;
103 typeexpr = QScxmlExecutableContent::NoEvaluator;
104 namelist = nullptr;
105 }
106
107public:
108 QScxmlEventBuilder(QScxmlStateMachine *stateMachine, const QString &eventName, const QScxmlExecutableContent::DoneData *doneData)
109 {
110 init();
111 this->stateMachine = stateMachine;
112 Q_ASSERT(doneData);
113 instructionLocation = doneData->location;
114 event = eventName;
115 contents = stateMachine->tableData()->string(id: doneData->contents);
116 contentExpr = doneData->expr;
117 params = &doneData->params;
118 eventType = QScxmlEvent::InternalEvent;
119 }
120
121 QScxmlEventBuilder(QScxmlStateMachine *stateMachine, const QScxmlExecutableContent::Send &send)
122 {
123 init();
124 this->stateMachine = stateMachine;
125 instructionLocation = send.instructionLocation;
126 event = stateMachine->tableData()->string(id: send.event);
127 eventexpr = send.eventexpr;
128 contents = stateMachine->tableData()->string(id: send.content);
129 contentExpr = send.contentexpr;
130 params = send.params();
131 id = stateMachine->tableData()->string(id: send.id);
132 idLocation = stateMachine->tableData()->string(id: send.idLocation);
133 target = stateMachine->tableData()->string(id: send.target);
134 targetexpr = send.targetexpr;
135 type = stateMachine->tableData()->string(id: send.type);
136 typeexpr = send.typeexpr;
137 namelist = &send.namelist;
138 }
139
140 QScxmlEvent *operator()() { return buildEvent(); }
141
142 QScxmlEvent *buildEvent();
143
144 static QScxmlEvent *errorEvent(QScxmlStateMachine *stateMachine, const QString &name,
145 const QString &message, const QString &sendid);
146
147 bool evaluate(const QScxmlExecutableContent::ParameterInfo &param,
148 QScxmlStateMachine *stateMachine, QVariantMap &keyValues);
149
150 bool evaluate(
151 const QScxmlExecutableContent::Array<QScxmlExecutableContent::ParameterInfo> *params,
152 QScxmlStateMachine *stateMachine, QVariantMap &keyValues);
153
154 void submitError(const QString &type, const QString &msg, const QString &sendid = QString());
155};
156#endif // BUILD_QSCXMLC
157
158class QScxmlEventPrivate
159{
160public:
161 QScxmlEventPrivate()
162 : eventType(QScxmlEvent::ExternalEvent)
163 , delayInMiliSecs(0)
164 {}
165
166 QString name;
167 QScxmlEvent::EventType eventType;
168 QVariant data; // extra data
169 QString sendid; // if set, or id of <send> if failure
170 QString origin; // uri to answer by setting the target of send, empty for internal and platform events
171 QString originType; // type to answer by setting the type of send, empty for internal and platform events
172 QString invokeId; // id of the invocation that triggered the child process if this was invoked
173 int delayInMiliSecs;
174
175 static QByteArray debugString(QScxmlEvent *event);
176};
177
178QT_END_NAMESPACE
179
180#endif // QSCXMLEVENT_P_H
181
182

source code of qtscxml/src/scxml/qscxmlevent_p.h