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Diffstat (limited to 'src/qml/qml/qqmltypenamecache_p.h')
| -rw-r--r-- | src/qml/qml/qqmltypenamecache_p.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/src/qml/qml/qqmltypenamecache_p.h b/src/qml/qml/qqmltypenamecache_p.h new file mode 100644 index 0000000000..a9268db37a --- /dev/null +++ b/src/qml/qml/qqmltypenamecache_p.h @@ -0,0 +1,187 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtQml module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QQMLTYPENAMECACHE_P_H +#define QQMLTYPENAMECACHE_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <private/qqmlrefcount_p.h> +#include "qqmlcleanup_p.h" +#include "qqmlmetatype_p.h" + +#include <private/qhashedstring_p.h> + +#include <QtCore/qvector.h> + +QT_BEGIN_NAMESPACE + +class QQmlType; +class QQmlEngine; +class QQmlTypeNameCache : public QQmlRefCount +{ +public: + QQmlTypeNameCache(); + virtual ~QQmlTypeNameCache(); + + inline bool isEmpty() const; + + void add(const QHashedString &name, int sciptIndex = -1, const QHashedString &nameSpace = QHashedString()); + + struct Result { + inline Result(); + inline Result(const void *importNamespace); + inline Result(QQmlType *type); + inline Result(int scriptIndex); + inline Result(const Result &); + + inline bool isValid() const; + + QQmlType *type; + const void *importNamespace; + int scriptIndex; + }; + Result query(const QHashedStringRef &); + Result query(const QHashedStringRef &, const void *importNamespace); + Result query(const QHashedV8String &); + Result query(const QHashedV8String &, const void *importNamespace); + QQmlMetaType::ModuleApiInstance *moduleApi(const void *importNamespace); + +private: + friend class QQmlImports; + + struct Import { + inline Import(); + // Imported module + QQmlMetaType::ModuleApiInstance *moduleApi; + QVector<QQmlTypeModuleVersion> modules; + + // Or, imported script + int scriptIndex; + }; + + template<typename Key> + Result query(const QStringHash<Import> &imports, Key key) + { + Import *i = imports.value(key); + if (i) { + if (i->scriptIndex != -1) { + return Result(i->scriptIndex); + } else { + return Result(static_cast<const void *>(i)); + } + } + + return Result(); + } + + template<typename Key> + Result typeSearch(const QVector<QQmlTypeModuleVersion> &modules, Key key) + { + QVector<QQmlTypeModuleVersion>::const_iterator end = modules.constEnd(); + for (QVector<QQmlTypeModuleVersion>::const_iterator it = modules.constBegin(); it != end; ++it) { + if (QQmlType *type = it->type(key)) + return Result(type); + } + + return Result(); + } + + QStringHash<Import> m_namedImports; + QMap<const Import *, QStringHash<Import> > m_namespacedImports; + QVector<QQmlTypeModuleVersion> m_anonymousImports; + + QQmlEngine *engine; +}; + +QQmlTypeNameCache::Result::Result() +: type(0), importNamespace(0), scriptIndex(-1) +{ +} + +QQmlTypeNameCache::Result::Result(const void *importNamespace) +: type(0), importNamespace(importNamespace), scriptIndex(-1) +{ +} + +QQmlTypeNameCache::Result::Result(QQmlType *type) +: type(type), importNamespace(0), scriptIndex(-1) +{ +} + +QQmlTypeNameCache::Result::Result(int scriptIndex) +: type(0), importNamespace(0), scriptIndex(scriptIndex) +{ +} + +QQmlTypeNameCache::Result::Result(const Result &o) +: type(o.type), importNamespace(o.importNamespace), scriptIndex(o.scriptIndex) +{ +} + +bool QQmlTypeNameCache::Result::isValid() const +{ + return type || importNamespace || scriptIndex != -1; +} + +QQmlTypeNameCache::Import::Import() +: moduleApi(0), scriptIndex(-1) +{ +} + +bool QQmlTypeNameCache::isEmpty() const +{ + return m_namedImports.isEmpty() && m_anonymousImports.isEmpty(); +} + +QT_END_NAMESPACE + +#endif // QQMLTYPENAMECACHE_P_H + |