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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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.
**
****************************************************************************/
#include "codegenerator.h"
#include "codegensettings.h"
#include <coreplugin/icore.h>
#include <utils/codegeneration.h>
#include <utils/qtcassert.h>
#include <QDomDocument>
#include <QSettings>
#include <QTextStream>
#include <QXmlStreamReader>
namespace QtSupport {
// Change the contents of a DOM element to a new value if it matches
// a predicate
template <class Predicate>
bool changeDomElementContents(const QDomElement &element,
Predicate p,
const QString &newValue,
QString *ptrToOldValue = nullptr)
{
// Find text in "<element>text</element>"
const QDomNodeList children = element.childNodes();
if (children.size() != 1)
return false;
const QDomNode first = children.at(0);
if (first.nodeType() != QDomNode::TextNode)
return false;
QDomCharacterData data = first.toCharacterData();
const QString oldValue = data.data();
if (p(oldValue)) {
if (ptrToOldValue)
*ptrToOldValue = oldValue;
data.setData(newValue);
return true;
}
return false;
}
namespace {
bool truePredicate(const QString &) { return true; }
// Predicate that matches a string value
class MatchPredicate {
public:
MatchPredicate(const QString &m) : m_match(m) {}
bool operator()(const QString &s) const { return s == m_match; }
private:
const QString m_match;
};
// Change <sender> and <receiver> in a Dom UI <connections> list
// if they match the class name passed on
void changeDomConnectionList(const QDomElement &connectionsNode,
const QString &oldClassName,
const QString &newClassName)
{
const MatchPredicate oldClassPredicate(oldClassName);
const QString senderTag = QLatin1String("sender");
const QString receiverTag = QLatin1String("receiver");
const QDomNodeList connections = connectionsNode.childNodes();
const int connectionsCount = connections.size();
// Loop <connection>
for (int c = 0; c < connectionsCount; c++) {
const QDomNodeList connectionElements = connections.at(c).childNodes();
const int connectionElementCount = connectionElements.count();
// Loop <sender>, <receiver>, <signal>, <slot>
for (int ce = 0; ce < connectionElementCount; ce++) {
const QDomNode connectionElementNode = connectionElements.at(ce);
if (connectionElementNode.isElement()) {
const QDomElement connectionElement = connectionElementNode.toElement();
const QString tagName = connectionElement.tagName();
if (tagName == senderTag || tagName == receiverTag)
changeDomElementContents(connectionElement, oldClassPredicate, newClassName);
}
}
}
}
}
// Change the UI class name in UI xml: This occurs several times, as contents
// of the <class> element, as name of the first <widget> element, and possibly
// in the signal/slot connections
QString CodeGenerator::changeUiClassName(const QString &uiXml, const QString &newUiClassName)
{
QDomDocument domUi;
if (!domUi.setContent(uiXml)) {
qWarning("Failed to parse:\n%s", uiXml.toUtf8().constData());
return uiXml;
}
bool firstWidgetElementFound = false;
QString oldClassName;
// Loop first level children. First child is <ui>
const QDomNodeList children = domUi.firstChildElement().childNodes();
const QString classTag = QLatin1String("class");
const QString widgetTag = QLatin1String("widget");
const QString connectionsTag = QLatin1String("connections");
const int count = children.size();
for (int i = 0; i < count; i++) {
const QDomNode node = children.at(i);
if (node.isElement()) {
// Replace <class> element text
QDomElement element = node.toElement();
const QString name = element.tagName();
if (name == classTag) {
if (!changeDomElementContents(element, truePredicate, newUiClassName, &oldClassName)) {
qWarning("Unable to change the <class> element:\n%s", uiXml.toUtf8().constData());
return uiXml;
}
} else {
// Replace first <widget> element name attribute
if (!firstWidgetElementFound && name == widgetTag) {
firstWidgetElementFound = true;
const QString nameAttribute = QLatin1String("name");
if (element.hasAttribute(nameAttribute))
element.setAttribute(nameAttribute, newUiClassName);
} else {
// Replace <sender>, <receiver> tags of dialogs.
if (name == connectionsTag)
changeDomConnectionList(element, oldClassName, newUiClassName);
}
}
}
}
const QString rc = domUi.toString();
return rc;
}
bool CodeGenerator::uiData(const QString &uiXml, QString *formBaseClass, QString *uiClassName)
{
// Parse UI xml to determine
// 1) The ui class name from "<class>Designer::Internal::FormClassWizardPage</class>"
// 2) the base class from: widget class="QWizardPage"...
QXmlStreamReader reader(uiXml);
while (!reader.atEnd()) {
if (reader.readNext() == QXmlStreamReader::StartElement) {
if (reader.name() == QLatin1String("class")) {
*uiClassName = reader.readElementText();
} else if (reader.name() == QLatin1String("widget")) {
const QXmlStreamAttributes attrs = reader.attributes();
*formBaseClass = attrs.value(QLatin1String("class")).toString();
return !uiClassName->isEmpty() && !formBaseClass->isEmpty();
}
}
}
return false;
}
QString CodeGenerator::uiClassName(const QString &uiXml)
{
QString base;
QString klass;
QTC_ASSERT(uiData(uiXml, &base, &klass), return QString());
return klass;
}
QString CodeGenerator::qtIncludes(const QStringList &qt4, const QStringList &qt5)
{
CodeGenSettings settings;
settings.fromSettings(Core::ICore::settings());
QString result;
QTextStream str(&result);
Utils::writeQtIncludeSection(qt4, qt5, settings.addQtVersionCheck, settings.includeQtModule, str);
return result;
}
} // namespace QtSupport
|
