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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qcommonsequencetypes_p.h"
+#include "qpatternistlocale_p.h"
+#include "qqnamevalue_p.h"
+#include "qatomicstring_p.h"
+
+#include "qerrorfn_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+Item ErrorFN::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+ QString msg;
+
+ switch(m_operands.count())
+ {
+ case 0: /* No args. */
+ {
+ context->error(QtXmlPatterns::tr("%1 was called.").arg(formatFunction(context->namePool(), signature())),
+ ReportContext::FOER0000, this);
+ return Item();
+ }
+ case 3:
+ /* Fallthrough, we don't use the 'error object' param. */
+ case 2:
+ msg = m_operands.at(1)->evaluateSingleton(context).stringValue();
+ /* Fall through. */
+ case 1:
+ {
+ const QNameValue::Ptr qName(m_operands.first()->evaluateSingleton(context).as<QNameValue>());
+
+ if(qName)
+ context->error(msg, qName->qName(), this);
+ else
+ context->error(msg, ReportContext::FOER0000, this);
+
+ return Item();
+ }
+ default:
+ {
+ Q_ASSERT_X(false, Q_FUNC_INFO,
+ "Invalid number of arguments passed to fn:error.");
+ return Item();
+ }
+ }
+}
+
+FunctionSignature::Ptr ErrorFN::signature() const
+{
+ const FunctionSignature::Ptr e(FunctionCall::signature());
+
+ if(m_operands.count() != 1)
+ return e;
+
+ FunctionSignature::Ptr nev(FunctionSignature::Ptr(new FunctionSignature(e->name(),
+ e->minimumArguments(),
+ e->maximumArguments(),
+ e->returnType(),
+ e->properties())));
+ const FunctionArgument::List args(e->arguments());
+ FunctionArgument::List nargs;
+ const QXmlName argName(StandardNamespaces::empty, StandardLocalNames::error);
+ nargs.append(FunctionArgument::Ptr(new FunctionArgument(argName, CommonSequenceTypes::ExactlyOneQName)));
+ nargs.append(args[1]);
+ nargs.append(args[2]);
+ nev->setArguments(nargs);
+
+ return nev;
+}
+
+QT_END_NAMESPACE