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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtScxml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtScxml/private/qscxmlcompiler_p.h>
#include <QtScxml/qscxmltabledata.h>
#include "scxmlcppdumper.h"
#include "qscxmlc.h"
#include <QCoreApplication>
#include <QCommandLineParser>
#include <QFile>
#include <QFileInfo>
#include <QTextCodec>
QT_BEGIN_NAMESPACE
enum {
NoError = 0,
CommandLineArgumentsError = -1,
NoInputFilesError = -2,
CannotOpenInputFileError = -3,
ParseError = -4,
CannotOpenOutputHeaderFileError = -5,
CannotOpenOutputCppFileError = -6,
ScxmlVerificationError = -7,
NoTextCodecError = -8
};
int write(TranslationUnit *tu)
{
QTextStream errs(stderr, QIODevice::WriteOnly);
QFile outH(tu->outHFileName);
if (!outH.open(QFile::WriteOnly)) {
errs << QStringLiteral("Error: cannot open '%1': %2").arg(outH.fileName(), outH.errorString()) << Qt::endl;
return CannotOpenOutputHeaderFileError;
}
QFile outCpp(tu->outCppFileName);
if (!outCpp.open(QFile::WriteOnly)) {
errs << QStringLiteral("Error: cannot open '%1': %2").arg(outCpp.fileName(), outCpp.errorString()) << Qt::endl;
return CannotOpenOutputCppFileError;
}
// Make sure it outputs UTF-8, as that is what C++ expects.
QTextCodec *utf8 = QTextCodec::codecForName("UTF-8");
if (!utf8) {
errs << QStringLiteral("Error: cannot find a QTextCodec for generating UTF-8.");
return NoTextCodecError;
}
QTextStream h(&outH);
h.setCodec(utf8);
h.setGenerateByteOrderMark(true);
QTextStream c(&outCpp);
c.setCodec(utf8);
c.setGenerateByteOrderMark(true);
CppDumper dumper(h, c);
dumper.dump(tu);
h.flush();
outH.close();
c.flush();
outCpp.close();
return NoError;
}
static void collectAllDocuments(DocumentModel::ScxmlDocument *doc,
QList<DocumentModel::ScxmlDocument *> *docs)
{
docs->append(doc);
for (DocumentModel::ScxmlDocument *subDoc : qAsConst(doc->allSubDocuments))
collectAllDocuments(subDoc, docs);
}
int run(const QStringList &arguments)
{
QCommandLineParser cmdParser;
QTextStream errs(stderr, QIODevice::WriteOnly);
cmdParser.addHelpOption();
cmdParser.addVersionOption();
cmdParser.setApplicationDescription(QCoreApplication::translate("main",
"Compiles the given input.scxml file to a header and a cpp file."));
QCommandLineOption optionNamespace(QLatin1String("namespace"),
QCoreApplication::translate("main", "Put generated code into <namespace>."),
QCoreApplication::translate("main", "namespace"));
QCommandLineOption optionOutputBaseName(QStringList() << QLatin1String("o") << QLatin1String("output"),
QCoreApplication::translate("main", "Generate <name>.h and <name>.cpp files."),
QCoreApplication::translate("main", "name"));
QCommandLineOption optionOutputHeaderName(QLatin1String("header"),
QCoreApplication::translate("main", "Generate <name> for the header file."),
QCoreApplication::translate("main", "name"));
QCommandLineOption optionOutputSourceName(QLatin1String("impl"),
QCoreApplication::translate("main", "Generate <name> for the source file."),
QCoreApplication::translate("main", "name"));
QCommandLineOption optionClassName(QLatin1String("classname"),
QCoreApplication::translate("main", "Generate <name> for state machine class name."),
QCoreApplication::translate("main", "name"));
QCommandLineOption optionStateMethods(QLatin1String("statemethods"),
QCoreApplication::translate("main", "Generate read and notify methods for states"));
cmdParser.addPositionalArgument(QLatin1String("input"),
QCoreApplication::translate("main", "Input SCXML file."));
cmdParser.addOption(optionNamespace);
cmdParser.addOption(optionOutputBaseName);
cmdParser.addOption(optionOutputHeaderName);
cmdParser.addOption(optionOutputSourceName);
cmdParser.addOption(optionClassName);
cmdParser.addOption(optionStateMethods);
cmdParser.process(arguments);
const QStringList inputFiles = cmdParser.positionalArguments();
if (inputFiles.count() < 1) {
errs << QCoreApplication::translate("main", "Error: no input file.") << Qt::endl;
cmdParser.showHelp(NoInputFilesError);
}
if (inputFiles.count() > 1) {
errs << QCoreApplication::translate("main", "Error: unexpected argument(s): %1")
.arg(inputFiles.mid(1).join(QLatin1Char(' '))) << Qt::endl;
cmdParser.showHelp(NoInputFilesError);
}
const QString scxmlFileName = inputFiles.at(0);
TranslationUnit options;
options.stateMethods = cmdParser.isSet(optionStateMethods);
if (cmdParser.isSet(optionNamespace))
options.namespaceName = cmdParser.value(optionNamespace);
QString outFileName = cmdParser.value(optionOutputBaseName);
QString outHFileName = cmdParser.value(optionOutputHeaderName);
QString outCppFileName = cmdParser.value(optionOutputSourceName);
QString mainClassName = cmdParser.value(optionClassName);
if (outFileName.isEmpty())
outFileName = QFileInfo(scxmlFileName).baseName();
if (outHFileName.isEmpty())
outHFileName = outFileName + QLatin1String(".h");
if (outCppFileName.isEmpty())
outCppFileName = outFileName + QLatin1String(".cpp");
QFile file(scxmlFileName);
if (!file.open(QFile::ReadOnly)) {
errs << QStringLiteral("Error: cannot open input file %1").arg(scxmlFileName);
return CannotOpenInputFileError;
}
QXmlStreamReader reader(&file);
QScxmlCompiler compiler(&reader);
compiler.setFileName(file.fileName());
compiler.compile();
if (!compiler.errors().isEmpty()) {
const auto errors = compiler.errors();
for (const QScxmlError &error : errors) {
errs << error.toString() << Qt::endl;
}
return ParseError;
}
auto mainDoc = QScxmlCompilerPrivate::get(&compiler)->scxmlDocument();
if (mainDoc == nullptr) {
Q_ASSERT(!compiler.errors().isEmpty());
const auto errors = compiler.errors();
for (const QScxmlError &error : errors) {
errs << error.toString() << Qt::endl;
}
return ScxmlVerificationError;
}
if (mainClassName.isEmpty())
mainClassName = mainDoc->root->name;
if (mainClassName.isEmpty()) {
mainClassName = QFileInfo(scxmlFileName).fileName();
int dot = mainClassName.lastIndexOf(QLatin1Char('.'));
if (dot != -1)
mainClassName = mainClassName.left(dot);
}
QList<DocumentModel::ScxmlDocument *> docs;
collectAllDocuments(mainDoc, &docs);
TranslationUnit tu = options;
tu.allDocuments = docs;
tu.scxmlFileName = QFileInfo(file).fileName();
tu.mainDocument = mainDoc;
tu.outHFileName = outHFileName;
tu.outCppFileName = outCppFileName;
tu.classnameForDocument.insert(mainDoc, mainClassName);
docs.pop_front();
for (DocumentModel::ScxmlDocument *doc : qAsConst(docs)) {
auto name = doc->root->name;
auto prefix = name;
if (name.isEmpty()) {
prefix = QStringLiteral("%1_StateMachine").arg(mainClassName);
name = prefix;
}
int counter = 1;
while (tu.classnameForDocument.key(name) != nullptr)
name = QStringLiteral("%1_%2").arg(prefix).arg(++counter);
tu.classnameForDocument.insert(doc, name);
}
return write(&tu);
}
QT_END_NAMESPACE
|
