src/xmlpatterns/api/quriloader.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/api/quriloader.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,84 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtNetwork/QNetworkRequest>
+#include <QtNetwork/QNetworkReply>
+
+#include "qiodevicedelegate_p.h"
+#include "quriloader_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+URILoader::URILoader(QObject *const parent,
+                     const NamePool::Ptr &np,
+                     const VariableLoader::Ptr &l) : QNetworkAccessManager(parent)
+                                                   , m_variableNS(QLatin1String("tag:trolltech.com,2007:QtXmlPatterns:QIODeviceVariable:"))
+                                                   , m_namePool(np)
+                                                   , m_variableLoader(l)
+{
+    Q_ASSERT(m_variableLoader);
+}
+
+QNetworkReply *URILoader::createRequest(Operation op, const QNetworkRequest &req, QIODevice *outgoingData)
+{
+    const QString requestedUrl(req.url().toString());
+
+    /* We got a QIODevice variable. */
+    const QString name(requestedUrl.right(requestedUrl.length() - m_variableNS.length()));
+
+    const QVariant variant(m_variableLoader->valueFor(m_namePool->allocateQName(QString(), name, QString())));
+
+    if(!variant.isNull() && variant.userType() == qMetaTypeId<QIODevice *>())
+        return new QIODeviceDelegate(qVariantValue<QIODevice *>(variant));
+    else
+    {
+        /* If we're entering this code path, the variable URI identified a variable
+         * which we don't have, which means we either have a bug, or the user had
+         * crafted an invalid URI manually. */
+
+        return QNetworkAccessManager::createRequest(op, req, outgoingData);
+    }
+}
+
+QT_END_NAMESPACE
+