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39 | |
40 | #ifndef QQMLTYPENAMECACHE_P_H |
41 | #define QQMLTYPENAMECACHE_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/qqmlrefcount_p.h> |
55 | #include "qqmlcleanup_p.h" |
56 | #include "qqmlmetatype_p.h" |
57 | |
58 | #include <private/qstringhash_p.h> |
59 | #include <private/qqmlimport_p.h> |
60 | #include <private/qqmltypemoduleversion_p.h> |
61 | |
62 | #include <QtCore/qvector.h> |
63 | |
64 | QT_BEGIN_NAMESPACE |
65 | |
66 | struct QQmlImportRef { |
67 | inline QQmlImportRef() |
68 | : scriptIndex(-1) |
69 | {} |
70 | // Imported module |
71 | QVector<QQmlTypeModuleVersion> modules; |
72 | |
73 | // Or, imported script |
74 | int scriptIndex; |
75 | |
76 | // Or, imported compositeSingletons |
77 | QStringHash<QUrl> compositeSingletons; |
78 | |
79 | // The qualifier of this import |
80 | QString m_qualifier; |
81 | }; |
82 | |
83 | class QQmlType; |
84 | class QQmlEngine; |
85 | class Q_QML_PRIVATE_EXPORT QQmlTypeNameCache : public QQmlRefCount |
86 | { |
87 | public: |
88 | QQmlTypeNameCache(const QQmlImports &imports); |
89 | ~QQmlTypeNameCache() override; |
90 | |
91 | inline bool isEmpty() const; |
92 | |
93 | void add(const QHashedString &name, int sciptIndex = -1, const QHashedString &nameSpace = QHashedString()); |
94 | void add(const QHashedString &name, const QUrl &url, const QHashedString &nameSpace = QHashedString()); |
95 | |
96 | struct Result { |
97 | inline Result(); |
98 | inline Result(const QQmlImportRef *importNamespace); |
99 | inline Result(const QQmlType &type); |
100 | inline Result(int scriptIndex); |
101 | |
102 | inline bool isValid() const; |
103 | |
104 | QQmlType type; |
105 | const QQmlImportRef *importNamespace; |
106 | int scriptIndex; |
107 | }; |
108 | Result query(const QHashedStringRef &) const; |
109 | Result query(const QHashedStringRef &, const QQmlImportRef *importNamespace) const; |
110 | Result query(const QV4::String *, QQmlImport::RecursionRestriction recursionRestriction = QQmlImport::PreventRecursion) const; |
111 | Result query(const QV4::String *, const QQmlImportRef *importNamespace) const; |
112 | |
113 | private: |
114 | friend class QQmlImports; |
115 | |
116 | template<typename Key> |
117 | Result query(const QStringHash<QQmlImportRef> &imports, Key key) const |
118 | { |
119 | QQmlImportRef *i = imports.value(key); |
120 | if (i) { |
121 | Q_ASSERT(!i->m_qualifier.isEmpty()); |
122 | if (i->scriptIndex != -1) { |
123 | return Result(i->scriptIndex); |
124 | } else { |
125 | return Result(i); |
126 | } |
127 | } |
128 | |
129 | return Result(); |
130 | } |
131 | |
132 | template<typename Key> |
133 | Result query(const QStringHash<QUrl> &urls, Key key) const |
134 | { |
135 | QUrl *url = urls.value(key); |
136 | if (url) { |
137 | QQmlType type = QQmlMetaType::qmlType(unNormalizedUrl: *url); |
138 | return Result(type); |
139 | } |
140 | |
141 | return Result(); |
142 | } |
143 | |
144 | template<typename Key> |
145 | Result typeSearch(const QVector<QQmlTypeModuleVersion> &modules, Key key) const |
146 | { |
147 | QVector<QQmlTypeModuleVersion>::const_iterator end = modules.constEnd(); |
148 | for (QVector<QQmlTypeModuleVersion>::const_iterator it = modules.constBegin(); it != end; ++it) { |
149 | QQmlType type = it->type(key); |
150 | if (type.isValid()) |
151 | return Result(type); |
152 | } |
153 | |
154 | return Result(); |
155 | } |
156 | |
157 | QStringHash<QQmlImportRef> m_namedImports; |
158 | QMap<const QQmlImportRef *, QStringHash<QQmlImportRef> > m_namespacedImports; |
159 | QVector<QQmlTypeModuleVersion> m_anonymousImports; |
160 | QStringHash<QUrl> m_anonymousCompositeSingletons; |
161 | QQmlImports m_imports; |
162 | }; |
163 | |
164 | QQmlTypeNameCache::Result::Result() |
165 | : importNamespace(nullptr), scriptIndex(-1) |
166 | { |
167 | } |
168 | |
169 | QQmlTypeNameCache::Result::Result(const QQmlImportRef *importNamespace) |
170 | : importNamespace(importNamespace), scriptIndex(-1) |
171 | { |
172 | } |
173 | |
174 | QQmlTypeNameCache::Result::Result(const QQmlType &type) |
175 | : type(type), importNamespace(nullptr), scriptIndex(-1) |
176 | { |
177 | } |
178 | |
179 | QQmlTypeNameCache::Result::Result(int scriptIndex) |
180 | : importNamespace(nullptr), scriptIndex(scriptIndex) |
181 | { |
182 | } |
183 | |
184 | bool QQmlTypeNameCache::Result::isValid() const |
185 | { |
186 | return type.isValid() || importNamespace || scriptIndex != -1; |
187 | } |
188 | |
189 | bool QQmlTypeNameCache::isEmpty() const |
190 | { |
191 | return m_namedImports.isEmpty() && m_anonymousImports.isEmpty() |
192 | && m_anonymousCompositeSingletons.isEmpty(); |
193 | } |
194 | |
195 | QT_END_NAMESPACE |
196 | |
197 | #endif // QQMLTYPENAMECACHE_P_H |
198 | |
199 | |