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authorQt by Nokia <qt-info@nokia.com>2011-04-27 12:05:43 +0200
committeraxis <qt-info@nokia.com>2011-04-27 12:05:43 +0200
commite1b2c9deb5943faae2b29be6a5c006f75bb73f06 (patch)
treefc79e45367c0a8fc71185e9afc33f7503a58653c /tests/auto/xmlpatternssdk/DebugExpressionFactory.h
downloadqtxmlpatterns-e1b2c9deb5943faae2b29be6a5c006f75bb73f06.tar.gz
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
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+/****************************************************************************
+**
+** 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 test suite 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef PatternistSDK_DebugExpressionFactory_H
+#define PatternistSDK_DebugExpressionFactory_H
+
+#include "Global.h"
+#include "qexpressionfactory_p.h"
+#include "qfunctionfactory_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+namespace QPatternistSDK
+{
+ class ASTItem;
+
+ /**
+ * @short Is a QPatternist::ExpressionFactory, with the
+ * difference that it provides the hooks for building from a tree of
+ * debug data from the compiled expression.
+ *
+ * This tree can be retrieved via astTree(). The astTree() function
+ * returns the AST built the last time createExpression() was called.
+ *
+ * @ingroup PatternistSDK
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class Q_PATTERNISTSDK_EXPORT DebugExpressionFactory : public QPatternist::ExpressionFactory
+ {
+ public:
+ DebugExpressionFactory() : m_ast(0)
+ {
+ }
+
+ typedef QExplicitlySharedDataPointer<DebugExpressionFactory> Ptr;
+ /**
+ * Identical to ExpressionFactory::createExpression() with the difference
+ * that it builds an ASTItem tree which can be accessed via astTree().
+ */
+ virtual QPatternist::Expression::Ptr createExpression(QIODevice *const expr,
+ const QPatternist::StaticContext::Ptr &context,
+ const QXmlQuery::QueryLanguage lang,
+ const QPatternist::SequenceType::Ptr &requiredType,
+ const QUrl &queryURI,
+ const QXmlName &initialTemplateName);
+
+ /**
+ * @returns an ASTItem tree built for the last created expression,
+ * via createExpression().
+ */
+ virtual ASTItem *astTree() const;
+
+ /**
+ * @returns a list containing string representations of all available
+ * functions in Patternist. Each QString in the returned QStringList
+ * is a function synopsis for human consumption.
+ */
+ static QStringList availableFunctionSignatures();
+
+ protected:
+ /**
+ * Performs the ASTItem tree building.
+ */
+ virtual void processTreePass(const QPatternist::Expression::Ptr &tree,
+ const CompilationStage stage);
+
+ void processTemplateRule(const QPatternist::Expression::Ptr &body,
+ const QPatternist::TemplatePattern::Ptr &pattern,
+ const QXmlName &mode,
+ const TemplateCompilationStage stage);
+
+ void processNamedTemplate(const QXmlName &name,
+ const QPatternist::Expression::Ptr &body,
+ const TemplateCompilationStage stage);
+ private:
+ static ASTItem *buildASTTree(const QPatternist::Expression::Ptr &expr,
+ ASTItem *const parent,
+ const QPatternist::SequenceType::Ptr &reqType);
+ ASTItem *m_ast;
+ };
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif
+// vim: et:ts=4:sw=4:sts=4