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, 157 insertions, 0 deletions

diff --git a/src/xmlpatterns/schema/qxsdschemacontext_p.h b/src/xmlpatterns/schema/qxsdschemacontext_p.h
new file mode 100644
index 0000000..cf52028
--- /dev/null
+++ b/src/xmlpatterns/schema/qxsdschemacontext_p.h
@@ -0,0 +1,157 @@
+/****************************************************************************
+**
+** 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_XsdSchemaContext_H
+#define Patternist_XsdSchemaContext_H
+
+#include "qnamedschemacomponent_p.h"
+#include "qreportcontext_p.h"
+#include "qschematypefactory_p.h"
+#include "qxsdschematoken_p.h"
+#include "qxsdschema_p.h"
+#include "qxsdschemachecker_p.h"
+#include "qxsdschemaresolver_p.h"
+
+#include <QtCore/QUrl>
+#include <QtNetwork/QNetworkAccessManager>
+#include <QtXmlPatterns/QAbstractMessageHandler>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+namespace QPatternist
+{
+    /**
+     * @short A context for schema parsing and validation.
+     *
+     * This class provides the infrastructure for error reporting and
+     * network access. Additionally it stores objects that are used by
+     * both, the parser and the validator.
+     *
+     * @ingroup Patternist_schema
+     * @author Tobias Koenig <tobias.koenig@trolltech.com>
+     */
+    class XsdSchemaContext : public ReportContext
+    {
+        public:
+            /**
+             * A smart pointer wrapping XsdSchemaContext instances.
+             */
+            typedef QExplicitlySharedDataPointer<XsdSchemaContext> Ptr;
+
+            /**
+             * Creates a new schema context object.
+             *
+             * @param namePool The name pool all names belong to.
+             */
+            XsdSchemaContext(const NamePool::Ptr &namePool);
+
+            /**
+             * Returns the name pool of the schema context.
+             */
+            virtual NamePool::Ptr namePool() const;
+
+            /**
+             * Sets the base URI for the main schema.
+             *
+             * The main schema is the one that includes resp. imports
+             * all the other schema files.
+             */
+            virtual void setBaseURI(const QUrl &uri);
+
+            /**
+             * Returns the base URI of the main schema.
+             */
+            virtual QUrl baseURI() const;
+
+            /**
+             * Sets the network access manager that should be used
+             * to access referenced schema definitions.
+             */
+            void setNetworkAccessManager(QNetworkAccessManager *accessManager);
+
+            /**
+             * Returns the network access manager that is used to
+             * access referenced schema definitions.
+             */
+            virtual QNetworkAccessManager* networkAccessManager() const;
+
+            /**
+             * Sets the message @p handler used by the context for error reporting.
+             */
+            void setMessageHandler(QAbstractMessageHandler *handler);
+
+            /**
+             * Returns the message handler used by the context for
+             * error reporting.
+             */
+            virtual QAbstractMessageHandler* messageHandler() const;
+
+            /**
+             * Always returns an empty source location.
+             */
+            virtual QSourceLocation locationFor(const SourceLocationReflection *const reflection) const;
+
+            /**
+             * Sets the uri @p resolver that is used for resolving URIs in the
+             * schema parser.
+             */
+            void setUriResolver(QAbstractUriResolver *resolver);
+
+            /**
+             * Returns the uri resolver that is used for resolving URIs in the
+             * schema parser.
+             */
+            virtual const QAbstractUriResolver* uriResolver() const;
+
+            /**
+             * Returns the list of facets for the given simple @p type.
+             */
+            XsdFacet::Hash facetsForType(const AnySimpleType::Ptr &type) const;
+
+            /**
+             * Returns a schema type factory that contains some predefined schema types.
+             */
+            SchemaTypeFactory::Ptr schemaTypeFactory() const;
+
+            /**
+             * The following variables should not be accessed directly.
+             */
+            mutable SchemaTypeFactory::Ptr                 m_schemaTypeFactory;
+            mutable QHash<SchemaType::Ptr, XsdFacet::Hash> m_builtinTypesFacetList;
+
+        private:
+            QHash<SchemaType::Ptr, XsdFacet::Hash> setupBuiltinTypesFacetList() const;
+
+            NamePool::Ptr                                 m_namePool;
+            QNetworkAccessManager*                        m_networkAccessManager;
+            QUrl                                          m_baseURI;
+            QAbstractUriResolver*                         m_uriResolver;
+            QAbstractMessageHandler*                      m_messageHandler;
+    };
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif