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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights.  These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qfunctionsignature_p.h"

#include "qfunctionfactory_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

FunctionFactory::~FunctionFactory()
{
}

bool FunctionFactory::isAvailable(const NamePool::Ptr &np,
                                  const QXmlName name, const xsInteger arity)
{
    const FunctionSignature::Ptr sign(retrieveFunctionSignature(np, name));

    if(sign)
        return arity == FunctionSignature::UnlimitedArity || sign->isArityValid(arity);
    else
        return false;
}

bool FunctionFactory::hasSignature(const FunctionSignature::Ptr &signature) const
{
    const FunctionSignature::Hash signs(functionSignatures());
    const FunctionSignature::Hash::const_iterator end(signs.constEnd());
    FunctionSignature::Hash::const_iterator it(signs.constBegin());

    for(; it != end; ++it)
    {
        if(*(*it) == *signature)
            return true;
    }

    return false;
}
QT_END_NAMESPACE