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39
40#include "qqmltypemodule_p_p.h"
41
42#include <private/qqmltype_p_p.h>
43
44#include <QtCore/qmutex.h>
45
46QT_BEGIN_NAMESPACE
47
48QQmlTypeModule::QQmlTypeModule(const QString &module, int majorVersion)
49 : d(new QQmlTypeModulePrivate(module, majorVersion))
50{
51}
52
53QQmlTypeModule::~QQmlTypeModule()
54{
55 delete d;
56}
57
58QString QQmlTypeModule::module() const
59{
60 // No need to lock. d->module is const
61 return d->module;
62}
63
64int QQmlTypeModule::majorVersion() const
65{
66 // No need to lock. d->majorVersion is const
67 return d->majorVersion;
68}
69
70int QQmlTypeModule::minimumMinorVersion() const
71{
72 return d->minMinorVersion.loadRelaxed();
73}
74
75int QQmlTypeModule::maximumMinorVersion() const
76{
77 return d->maxMinorVersion.loadRelaxed();
78}
79
80void QQmlTypeModule::addMinorVersion(int version)
81{
82 for (int oldVersion = d->minMinorVersion.loadRelaxed();
83 oldVersion > version && !d->minMinorVersion.testAndSetOrdered(expectedValue: oldVersion, newValue: version);
84 oldVersion = d->minMinorVersion.loadRelaxed()) {
85 }
86
87 for (int oldVersion = d->maxMinorVersion.loadRelaxed();
88 oldVersion < version && !d->maxMinorVersion.testAndSetOrdered(expectedValue: oldVersion, newValue: version);
89 oldVersion = d->maxMinorVersion.loadRelaxed()) {
90 }
91}
92
93void QQmlTypeModule::add(QQmlTypePrivate *type)
94{
95 QMutexLocker lock(&d->mutex);
96 addMinorVersion(version: type->version_min);
97
98 QList<QQmlTypePrivate *> &list = d->typeHash[type->elementName];
99 for (int ii = 0; ii < list.count(); ++ii) {
100 QQmlTypePrivate *in_list = list.at(i: ii);
101 Q_ASSERT(in_list);
102 if (in_list->version_min < type->version_min) {
103 list.insert(i: ii, t: type);
104 return;
105 } else if (in_list->version_min == type->version_min) {
106 list[ii] = type;
107 return;
108 }
109 }
110 list.append(t: type);
111}
112
113void QQmlTypeModule::remove(const QQmlTypePrivate *type)
114{
115 QMutexLocker lock(&d->mutex);
116 for (auto elementIt = d->typeHash.begin(); elementIt != d->typeHash.end();) {
117 QQmlMetaType::removeQQmlTypePrivate(container&: elementIt.value(), reference: type);
118
119#if 0
120 if (list.isEmpty())
121 elementIt = typeHash.erase(elementIt);
122 else
123 ++elementIt;
124#else
125 ++elementIt;
126#endif
127 }
128}
129
130bool QQmlTypeModule::isLocked() const
131{
132 return d->locked.loadRelaxed() != 0;
133}
134
135void QQmlTypeModule::lock()
136{
137 d->locked.storeRelaxed(newValue: 1);
138}
139
140QQmlType QQmlTypeModule::type(const QHashedStringRef &name, int minor) const
141{
142 QMutexLocker lock(&d->mutex);
143 QList<QQmlTypePrivate *> *types = d->typeHash.value(key: name);
144 if (types) {
145 for (int ii = 0; ii < types->count(); ++ii)
146 if (types->at(i: ii)->version_min <= minor)
147 return QQmlType(types->at(i: ii));
148 }
149
150 return QQmlType();
151}
152
153QQmlType QQmlTypeModule::type(const QV4::String *name, int minor) const
154{
155 QMutexLocker lock(&d->mutex);
156 QList<QQmlTypePrivate *> *types = d->typeHash.value(string: name);
157 if (types) {
158 for (int ii = 0; ii < types->count(); ++ii)
159 if (types->at(i: ii)->version_min <= minor)
160 return QQmlType(types->at(i: ii));
161 }
162
163 return QQmlType();
164}
165
166void QQmlTypeModule::walkCompositeSingletons(const std::function<void(const QQmlType &)> &callback) const
167{
168 QMutexLocker lock(&d->mutex);
169 for (auto typeCandidates = d->typeHash.begin(), end = d->typeHash.end();
170 typeCandidates != end; ++typeCandidates) {
171 for (auto type: typeCandidates.value()) {
172 if (type->regType == QQmlType::CompositeSingletonType)
173 callback(QQmlType(type));
174 }
175 }
176}
177
178QT_END_NAMESPACE
179

source code of qtdeclarative/src/qml/qml/qqmltypemodule.cpp