--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/environment/qstaticcontext_p.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,299 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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_StaticContext_H
+#define Patternist_StaticContext_H
+
+#include "qexternalvariableloader_p.h"
+#include "qitemtype_p.h"
+#include "qnamepool_p.h"
+#include "qnamespaceresolver_p.h"
+#include "qreportcontext_p.h"
+#include "qresourceloader_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QUrl;
+template<typename Key, typename T> class QHash;
+
+namespace QPatternist
+{
+ class DynamicContext;
+ class Expression;
+ class FunctionFactory;
+ class SchemaTypeFactory;
+
+ /**
+ * @short Carries information and facilities used at compilation time.
+ *
+ * A representation of the Static Context in XPath 2.0. The Static Context
+ * contains information which doesn't change and is the "outer scope" of the
+ * expression. It provides for example a base URI the expression can relate to and
+ * what functions and variables that are available for the expression.
+ *
+ * @see <a href="http://www.w3.org/TR/xpath20/#static_context">XML Path
+ * Language (XPath) 2.0, 2.1.1 Static Context</a>
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class StaticContext : public ReportContext
+ {
+ public:
+ /**
+ * A smart pointer wrapping StaticContext instances.
+ */
+ typedef QExplicitlySharedDataPointer<StaticContext> Ptr;
+
+ /**
+ * @see <a href="http://www.w3.org/TR/xquery/#id-boundary-space-decls">XQuery 1.0:
+ * An XML Query Language, 4.3 Boundary-space Declaration</a>
+ * @see <a href="http://www.w3.org/TR/xquery/#dt-boundary-space-policy">XQuery 1.0:
+ * An XML Query Language, Definition: Boundary-space policy</a>
+ */
+ enum BoundarySpacePolicy
+ {
+ BSPPreserve,
+ BSPStrip
+ };
+
+ /**
+ * @see <a href="http://www.w3.org/TR/xquery/#id-construction-declaration">XQuery 1.0:
+ * An XML Query Language, 4.6 Construction Declaration</a>
+ * @see <a href="http://www.w3.org/TR/xquery/#dt-construction-mode">XQuery 1.0:
+ * An XML Query Language, Definition: Construction mode</a>
+ */
+ enum ConstructionMode
+ {
+ CMPreserve,
+ CMStrip
+ };
+
+ /**
+ * @see <a href="http://www.w3.org/TR/xquery/#id-default-ordering-decl">XQuery 1.0:
+ * An XML Query Language, 4.7 Ordering Mode Declaration</a>
+ * @see <a href="http://www.w3.org/TR/xquery/#dt-ordering-mode">XQuery 1.0:
+ * An XML Query Language, Definition: Ordering mode</a>
+ */
+ enum OrderingMode
+ {
+ Ordered,
+ Unordered
+ };
+
+ /**
+ * @see <a href="http://www.w3.org/TR/xquery/#id-empty-order-decl">XQuery 1.0:
+ * An XML Query Language, 4.8 Empty Order Declaration</a>
+ * @see <a href="http://www.w3.org/TR/xquery/#dt-default-empty-order">XQuery 1.0:
+ * An XML Query Language, Definition: Default order for empty sequences</a>
+ */
+ enum OrderingEmptySequence
+ {
+ Greatest,
+ Least
+ };
+
+ enum InheritMode
+ {
+ Inherit,
+ NoInherit
+ };
+
+ enum PreserveMode
+ {
+ Preserve,
+ NoPreserve
+ };
+
+ inline StaticContext()
+ {
+ }
+
+ virtual ~StaticContext();
+
+ virtual NamespaceResolver::Ptr namespaceBindings() const = 0;
+ virtual void setNamespaceBindings(const NamespaceResolver::Ptr &) = 0;
+ virtual QExplicitlySharedDataPointer<FunctionFactory> functionSignatures() const = 0;
+ virtual QExplicitlySharedDataPointer<SchemaTypeFactory> schemaDefinitions() const = 0;
+
+ /**
+ * The base URI of the context. Typically, this is the base URI
+ * if of the element that contained the expression.
+ *
+ * The base URI is in this implementation is never undefined, but is
+ * always valid.
+ */
+ virtual QUrl baseURI() const = 0;
+
+ virtual void setBaseURI(const QUrl &uri) = 0;
+
+ /**
+ * @returns always the standard function namespace defined in
+ * <a href="http://www.w3.org/TR/xpath-functions/">XQuery 1.0 and
+ * XPath 2.0 Functions and Operators</a>
+ */
+ virtual QString defaultFunctionNamespace() const = 0;
+ virtual void setDefaultFunctionNamespace(const QString &ns) = 0;
+
+ virtual QString defaultElementNamespace() const = 0;
+ virtual void setDefaultElementNamespace(const QString &ns) = 0;
+
+ /**
+ * @returns the URI identifying the default collation. The function
+ * is responsible for ensuring a collation is always returned. If
+ * a collation is not provided by the user or the host language in the
+ * context, the Unicode codepoint URI should be returned.
+ */
+ virtual QUrl defaultCollation() const = 0;
+
+ virtual void setDefaultCollation(const QUrl &uri) = 0;
+
+ /**
+ * Determine whether Backwards Compatible Mode is used.
+ *
+ * @see <a href="http://www.w3.org/TR/xpath20/#id-backwards-compatibility">XML Path
+ * Language (XPath) 2.0, I Backwards Compatibility with XPath 1.0 (Non-Normative)</a>
+ * @see <a href="http://www.w3.org/TR/xpath20/#dt-xpath-compat-mode">XML Path
+ * Language (XPath) 2.0, Definition: XPath 1.0 compatibility mode</a>
+ */
+ virtual bool compatModeEnabled() const = 0;
+
+ virtual void setCompatModeEnabled(const bool newVal) = 0;
+
+ /**
+ * This is the DynamicContext that is used for pre-evaluation at
+ * compilation time, const-folding at the static stage.
+ */
+ virtual QExplicitlySharedDataPointer<DynamicContext> dynamicContext() const = 0;
+
+ virtual BoundarySpacePolicy boundarySpacePolicy() const = 0;
+ virtual void setBoundarySpacePolicy(const BoundarySpacePolicy policy) = 0;
+
+ virtual ConstructionMode constructionMode() const = 0;
+ virtual void setConstructionMode(const ConstructionMode mode) = 0;
+
+ virtual OrderingMode orderingMode() const = 0;
+ virtual void setOrderingMode(const OrderingMode mode) = 0;
+ virtual OrderingEmptySequence orderingEmptySequence() const = 0;
+ virtual void setOrderingEmptySequence(const OrderingEmptySequence ordering) = 0;
+
+ virtual InheritMode inheritMode() const = 0;
+ virtual void setInheritMode(const InheritMode mode) = 0;
+
+ virtual PreserveMode preserveMode() const = 0;
+ virtual void setPreserveMode(const PreserveMode mode) = 0;
+
+ /**
+ * @short The static type of the context item.
+ *
+ * Different StaticContext instances are used for different nodes in the
+ * AST to properly reflect the type of the focus. If the focus is undefined,
+ * this function must return @c null.
+ *
+ * @see <a href="http://www.w3.org/TR/xquery/#dt-context-item-static-type">XQuery
+ * 1.0: An XML Query Language, Definition: Context item static type</a>
+ */
+ virtual ItemType::Ptr contextItemType() const = 0;
+
+ /**
+ * @short The static type of the current item, as returned by @c
+ * fn:current().
+ */
+ virtual ItemType::Ptr currentItemType() const = 0;
+
+ /**
+ * Copies this StaticContext and returns the copy.
+ *
+ * The copy and original must not be independent. Since the StaticContext is modified
+ * during the compilation process, the copy must be independent from the original
+ * to the degree that is required for the subclass in question.
+ */
+ virtual StaticContext::Ptr copy() const = 0;
+
+ virtual ExternalVariableLoader::Ptr externalVariableLoader() const = 0;
+ virtual ResourceLoader::Ptr resourceLoader() const = 0;
+ virtual NamePool::Ptr namePool() const = 0;
+
+ /**
+ * @short Adds @p location for @p reflection.
+ */
+ virtual void addLocation(const SourceLocationReflection *const reflection,
+ const QSourceLocation &location) = 0;
+
+ /**
+ * @short Returns a hash of the contained locations.
+ *
+ * The key is the address for the expression, and the value is its location. Note
+ * that the key cannot be dereferenced, there's no guarantee the
+ * Expression is in scope. The key is merely an identifier.
+ */
+ virtual LocationHash sourceLocations() const = 0;
+
+ virtual VariableSlotID currentRangeSlot() const = 0;
+ virtual VariableSlotID allocateRangeSlot() = 0;
+
+ /**
+ * @short Ensures source locations are handled in such a manner that @p
+ * existingNode wraps @p newNode.
+ *
+ * Ensures that the source locations for @p existingNode, applies to
+ * @p newNode.
+ */
+ void wrapExpressionWith(const SourceLocationReflection *const existingNode,
+ const QExplicitlySharedDataPointer<Expression> &newNode);
+ };
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif