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Diffstat (limited to 'src/xmlpatterns/expr/qsourcelocationreflection_p.h')
-rw-r--r-- | src/xmlpatterns/expr/qsourcelocationreflection_p.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/xmlpatterns/expr/qsourcelocationreflection_p.h b/src/xmlpatterns/expr/qsourcelocationreflection_p.h new file mode 100644 index 0000000..d85c10c --- /dev/null +++ b/src/xmlpatterns/expr/qsourcelocationreflection_p.h @@ -0,0 +1,131 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtXmlPatterns module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// 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. + +#ifndef Patternist_SourceLocationReflection_H +#define Patternist_SourceLocationReflection_H + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +class QString; + +namespace QPatternist +{ + /** + * @short Base class for all instances that represents something + * at a certain location. + * + * SourceLocationReflection does not provide the source location itself, + * the address to an instance is the mark for it, that in turn can be used + * for looking up the source location where that mapping is provided. + * + * However, this SourceLocationReflection is not itself the mark. The real + * mark is retrieved by calling actualReflection(). This mechanism + * allows a SourceLocationReflection sub-class to delegate, or be an alias, + * for another source location mark. + * + * If sourceLocation() returns a non-null object, it will be used instead + * of looking up via actualReflection(). + * + * @author Frans Englich <frans.englich@nokia.com> + * @ingroup Patternist_expressions + */ + class Q_AUTOTEST_EXPORT SourceLocationReflection + { + public: + inline SourceLocationReflection() + { + } + + virtual ~SourceLocationReflection() + { + } + + virtual const SourceLocationReflection *actualReflection() const = 0; + + /** + * A description of what represents the source code location, for + * human consumption. Must be translated, as appropriate. + */ + virtual QString description() const + { + return QString(); + } + + virtual QSourceLocation sourceLocation() const; + + private: + Q_DISABLE_COPY(SourceLocationReflection) + }; + + class DelegatingSourceLocationReflection : public SourceLocationReflection + { + public: + inline DelegatingSourceLocationReflection(const SourceLocationReflection *const r) : m_r(r) + { + Q_ASSERT(r); + } + + virtual const SourceLocationReflection *actualReflection() const; + virtual QString description() const; + + private: + const SourceLocationReflection *const m_r; + }; + +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |