| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 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. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** 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. |
| ** |
| ** 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. |
| ** |
| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
| ** conditions contained in a signed written agreement between you and Nokia. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qpatternistlocale_p.h" |
| |
| #include "qabstractfunctionfactory_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace QPatternist; |
| |
| Expression::Ptr AbstractFunctionFactory::createFunctionCall(const QXmlName name, |
| const Expression::List &args, |
| const StaticContext::Ptr &context, |
| const SourceLocationReflection *const r) |
| { |
| const FunctionSignature::Ptr sign(retrieveFunctionSignature(context->namePool(), name)); |
| |
| if(!sign) /* The function doesn't exist(at least not in this factory). */ |
| return Expression::Ptr(); |
| |
| /* May throw. */ |
| verifyArity(sign, context, args.count(), r); |
| |
| /* Ok, the function does exist and the arity is correct. */ |
| return retrieveExpression(name, args, sign); |
| } |
| |
| void AbstractFunctionFactory::verifyArity(const FunctionSignature::Ptr &s, |
| const StaticContext::Ptr &context, |
| const xsInteger arity, |
| const SourceLocationReflection *const r) const |
| { |
| /* Same code in both branches, but more specific error messages in order |
| * to improve usability. */ |
| if(s->maximumArguments() != FunctionSignature::UnlimitedArity && |
| arity > s->maximumArguments()) |
| { |
| context->error(QtXmlPatterns::tr("%1 takes at most %n argument(s). " |
| "%2 is therefore invalid.", 0, s->maximumArguments()) |
| .arg(formatFunction(context->namePool(), s)) |
| .arg(arity), |
| ReportContext::XPST0017, |
| r); |
| return; |
| } |
| |
| if(arity < s->minimumArguments()) |
| { |
| context->error(QtXmlPatterns::tr("%1 requires at least %n argument(s). " |
| "%2 is therefore invalid.", 0, s->minimumArguments()) |
| .arg(formatFunction(context->namePool(), s)) |
| .arg(arity), |
| ReportContext::XPST0017, |
| r); |
| return; |
| } |
| } |
| |
| FunctionSignature::Hash AbstractFunctionFactory::functionSignatures() const |
| { |
| return m_signatures; |
| } |
| |
| QT_END_NAMESPACE |