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39
40#ifndef QQMLMETATYPEDATA_P_H
41#define QQMLMETATYPEDATA_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 <private/qqmltype_p.h>
55#include <private/qqmlmetatype_p.h>
56#include <private/qhashedstring_p.h>
57
58#include <QtCore/qset.h>
59#include <QtCore/qvector.h>
60#include <QtCore/qbitarray.h>
61
62QT_BEGIN_NAMESPACE
63
64class QQmlTypePrivate;
65struct QQmlMetaTypeData
66{
67 QQmlMetaTypeData();
68 ~QQmlMetaTypeData();
69 void registerType(QQmlTypePrivate *priv);
70 QList<QQmlType> types;
71 QSet<QQmlType> undeletableTypes;
72 typedef QHash<int, QQmlTypePrivate *> Ids;
73 Ids idToType;
74 typedef QMultiHash<QHashedStringRef, QQmlTypePrivate *> Names;
75 Names nameToType;
76 typedef QHash<QUrl, QQmlTypePrivate *> Files; //For file imported composite types only
77 Files urlToType;
78 Files urlToNonFileImportType; // For non-file imported composite and composite
79 // singleton types. This way we can locate any
80 // of them by url, even if it was registered as
81 // a module via QQmlPrivate::RegisterCompositeType
82 typedef QMultiHash<const QMetaObject *, QQmlTypePrivate *> MetaObjects;
83 MetaObjects metaObjectToType;
84 typedef QHash<int, QQmlMetaType::StringConverter> StringConverters;
85 StringConverters stringConverters;
86 QVector<QHash<int, QQmlRefPointer<QQmlPropertyCache>>> typePropertyCaches;
87
88 struct VersionedUri {
89 VersionedUri()
90 : majorVersion(0) {}
91 VersionedUri(const QHashedString &uri, int majorVersion)
92 : uri(uri), majorVersion(majorVersion) {}
93 bool operator==(const VersionedUri &other) const {
94 return other.majorVersion == majorVersion && other.uri == uri;
95 }
96 QHashedString uri;
97 int majorVersion;
98 };
99
100 typedef QHash<VersionedUri, QQmlTypeModule *> TypeModules;
101 TypeModules uriToModule;
102
103 QHash<VersionedUri, void (*)()> moduleTypeRegistrationFunctions;
104 bool registerModuleTypes(const VersionedUri &versionedUri);
105
106 QBitArray objects;
107 QBitArray interfaces;
108 QBitArray lists;
109
110 QList<QQmlPrivate::AutoParentFunction> parentFunctions;
111 QVector<QQmlPrivate::QmlUnitCacheLookupFunction> lookupCachedQmlUnit;
112
113 QHash<int, int> qmlLists;
114
115 QHash<const QMetaObject *, QQmlPropertyCache *> propertyCaches;
116
117 QQmlPropertyCache *propertyCacheForMinorVersion(int index, int minorVersion) const;
118 void setPropertyCacheForMinorVersion(int index, int minorVersion, QQmlPropertyCache *cache);
119 void clearPropertyCachesForMinorVersion(int index);
120
121 QQmlRefPointer<QQmlPropertyCache> propertyCache(const QMetaObject *metaObject, int minorVersion);
122 QQmlPropertyCache *propertyCache(const QQmlType &type, int minorVersion);
123
124 void setTypeRegistrationFailures(QStringList *failures)
125 {
126 m_typeRegistrationFailures = failures;
127 }
128
129 void recordTypeRegFailure(const QString &message)
130 {
131 if (m_typeRegistrationFailures)
132 m_typeRegistrationFailures->append(t: message);
133 else
134 qWarning(msg: "%s", message.toUtf8().constData());
135 }
136
137private:
138 QStringList *m_typeRegistrationFailures = nullptr;
139};
140
141inline uint qHash(const QQmlMetaTypeData::VersionedUri &v)
142{
143 return v.uri.hash() ^ qHash(key: v.majorVersion);
144}
145
146QT_END_NAMESPACE
147
148#endif // QQMLMETATYPEDATA_P_H
149

source code of qtdeclarative/src/qml/qml/qqmlmetatypedata_p.h