Add W3C XML Schema validation support

This was done by Tobias Koenig, as part of an internship at Trolltech/Qt
Software, started at Wed Oct 1 18:32:43 2008 +0200, and the last commit being
part of this commit dating Tue Feb 24 11:03:36 2009 +0100. This is work
consisting of about 650 commits squashed into one, where the first commit was
61b280386c1905a15690fdd917dcbc8eb09b6283, in the repository before Qt's history
cut.

1 files changed, 169 insertions, 0 deletions

diff --git a/src/xmlpatterns/schema/qxsdwildcard_p.h b/src/xmlpatterns/schema/qxsdwildcard_p.h
new file mode 100644
index 0000000..8fbecb3
--- /dev/null
+++ b/src/xmlpatterns/schema/qxsdwildcard_p.h
@@ -0,0 +1,169 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+//
+//  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_XsdWildcard_H
+#define Patternist_XsdWildcard_H
+
+#include "qxsdterm_p.h"
+
+#include <QtCore/QSet>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+namespace QPatternist
+{
+    /**
+     * @short Represents a XSD wildcard object.
+     *
+     * This class represents the <em>wildcard</em> object of a XML schema as described
+     * <a href="http://www.w3.org/TR/xmlschema11-1/#Wildcards">here</a>.
+     *
+     * It contains information from either an <em>any</em> object or an <em>anyAttribute</em> object.
+     *
+     * @see <a href="http://www.w3.org/Submission/2004/SUBM-xmlschema-api-20040309/xml-schema-api.html#Interface-XSWildcard">XML Schema API reference</a>
+     * @ingroup Patternist_schema
+     * @author Tobias Koenig <tobias.koenig@trolltech.com>
+     */
+    class XsdWildcard : public XsdTerm
+    {
+        public:
+            typedef QExplicitlySharedDataPointer<XsdWildcard> Ptr;
+
+            /**
+             * Defines the absent namespace that is used in wildcards.
+             */
+            static QString absentNamespace();
+
+            /**
+             * Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#w-namespace_constraint">namespace constraint</a> of the wildcard.
+             */
+            class NamespaceConstraint : public QSharedData
+            {
+                public:
+                    typedef QExplicitlySharedDataPointer<NamespaceConstraint> Ptr;
+
+                    /**
+                     * Describes the variety of the namespace constraint.
+                     *
+                     * @see <a href="http://www.w3.org/TR/xmlschema11-1/#nc-variety">Variety Definition</a>
+                     */
+                    enum Variety
+                    {
+                        Any,         ///< Any namespace is allowed.
+                        Enumeration, ///< Namespaces in the namespaces set are allowed.
+                        Not          ///< Namespaces in the namespaces set are not allowed.
+                    };
+
+                    /**
+                     * Sets the @p variety of the namespace constraint.
+                     *
+                     * @see <a href="http://www.w3.org/TR/xmlschema11-1/#nc-variety">Variety Definition</a>
+                     */
+                    void setVariety(Variety variety);
+
+                    /**
+                     * Returns the variety of the namespace constraint.
+                     */
+                    Variety variety() const;
+
+                    /**
+                     * Sets the set of @p namespaces of the namespace constraint.
+                     */
+                    void setNamespaces(const QSet<QString> &namespaces);
+
+                    /**
+                     * Returns the set of namespaces of the namespace constraint.
+                     */
+                    QSet<QString> namespaces() const;
+
+                    /**
+                     * Sets the set of disallowed @p names of the namespace constraint.
+                     */
+                    void setDisallowedNames(const QSet<QString> &names);
+
+                    /**
+                     * Returns the set of disallowed names of the namespace constraint.
+                     */
+                    QSet<QString> disallowedNames() const;
+
+                private:
+                    Variety       m_variety;
+                    QSet<QString> m_namespaces;
+                    QSet<QString> m_disallowedNames;
+            };
+
+            /**
+             * Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#w-process_contents">type of content processing</a> of the wildcard.
+             */
+            enum ProcessContents
+            {
+                Strict,      ///< There must be a top-level declaration for the item available, or the item must have an xsi:type, and the item must be valid as appropriate.
+                Lax,         ///< If the item has a uniquely determined declaration available, it must be valid with respect to that definition.
+                Skip         ///< No constraints at all: the item must simply be well-formed XML.
+            };
+
+            /**
+             * Creates a new wildcard object.
+             */
+            XsdWildcard();
+
+            /**
+             * Returns always @c true, used to avoid dynamic casts.
+             */
+            virtual bool isWildcard() const;
+
+            /**
+             * Sets the namespace @p constraint of the wildcard.
+             *
+             * @see <a href="http://www.w3.org/TR/xmlschema11-1/#w-namespace_constraint">Namespace Constraint Definition</a>
+             */
+            void setNamespaceConstraint(const NamespaceConstraint::Ptr &constraint);
+
+            /**
+             * Returns the namespace constraint of the wildcard.
+             */
+            NamespaceConstraint::Ptr namespaceConstraint() const;
+
+            /**
+             * Sets the process @p contents of the wildcard.
+             *
+             * @see <a href="http://www.w3.org/TR/xmlschema11-1/#w-process_contents">Process Contents Definition</a>
+             */
+            void setProcessContents(ProcessContents contents);
+
+            /**
+             * Returns the process contents of the wildcard.
+             */
+            ProcessContents processContents() const;
+
+        private:
+            NamespaceConstraint::Ptr m_namespaceConstraint;
+            ProcessContents          m_processContents;
+    };
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif