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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the tools applications 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 "ui3reader.h"

#include <QDomElement>
#include <QFile>

QT_BEGIN_NAMESPACE

void Ui3Reader::computeDeps(const QDomElement &e,
        QStringList &globalIncludes,
        QStringList &localIncludes, bool impl)
{
    QDomNodeList nl;

    // additional includes (local or global) and forward declaractions
    nl = e.toElement().elementsByTagName(QLatin1String("include"));
    for (int i = 0; i < (int) nl.length(); i++) {
        QDomElement n2 = nl.item(i).toElement();
        QString s = n2.firstChild().toText().data();

        if (s.right(5) == QLatin1String(".ui.h") && !QFile::exists(s))
            continue;

        if (impl && n2.attribute(QLatin1String("impldecl"), QLatin1String("in implementation")) != QLatin1String("in implementation"))
            continue;

        if (n2.attribute(QLatin1String("location")) != QLatin1String("local"))
            globalIncludes += s;
        else
            localIncludes += s;
    }

    // do the local includes afterwards, since global includes have priority on clashes
    nl = e.toElement().elementsByTagName(QLatin1String("header"));
    for (int i = 0; i < (int) nl.length(); i++) {
        QDomElement n2 = nl.item(i).toElement();
        QString s = n2.firstChild().toText().data();
        if (n2.attribute(QLatin1String("location")) == QLatin1String("local") && !globalIncludes.contains(s)) {
            if (s.right(5) == QLatin1String(".ui.h") && !QFile::exists(s))
                continue;

            if (impl && n2.attribute(QLatin1String("impldecl"), QLatin1String("in implementation")) != QLatin1String("in implementation"))
                continue;

            localIncludes += s;
        }
    }

    // additional custom widget headers
    nl = e.toElement().elementsByTagName(QLatin1String("header"));
    for (int i = 0; i < (int) nl.length(); i++) {
        QDomElement n2 = nl.item(i).toElement();
        QString s = n2.firstChild().toText().data();

        if (n2.attribute(QLatin1String("location")) != QLatin1String("local"))
            globalIncludes += s;
        else
            localIncludes += s;
    }

    { // fix globalIncludes
        globalIncludes = unique(globalIncludes);
        QMutableStringListIterator it(globalIncludes);
        while (it.hasNext()) {
            QString v = it.next();

            if (v.isEmpty()) {
                it.remove();
                continue;
            }

            it.setValue(fixHeaderName(v));
        }
    }

    { // fix the localIncludes
        localIncludes = unique(localIncludes);
        QMutableStringListIterator it(localIncludes);
        while (it.hasNext()) {
            QString v = it.next();

            if (v.isEmpty()) {
                it.remove();
                continue;
            }

            it.setValue(fixHeaderName(v));
        }
    }
}

QT_END_NAMESPACE