/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtQml 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.
**
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** Alternatively, this file may be used in accordance with the terms and
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** $QT_END_LICENSE$
**
****************************************************************************/

#include "qqmltypenamecache_p.h"

#include "qqmlengine_p.h"

QT_BEGIN_NAMESPACE

QQmlTypeNameCache::QQmlTypeNameCache()
{
}

QQmlTypeNameCache::~QQmlTypeNameCache()
{
}

void QQmlTypeNameCache::add(const QHashedString &name, int importedScriptIndex, const QHashedString &nameSpace)
{
    Import import;
    import.scriptIndex = importedScriptIndex;

    if (nameSpace.length() != 0) {
        Import *i = m_namedImports.value(nameSpace);
        Q_ASSERT(i != 0);
        m_namespacedImports[i].insert(name, import);
        return;
    }

    if (m_namedImports.contains(name))
        return;

    m_namedImports.insert(name, import);
}

QQmlTypeNameCache::Result QQmlTypeNameCache::query(const QHashedStringRef &name)
{
    Result result = query(m_namedImports, name);

    if (!result.isValid())
        result = typeSearch(m_anonymousImports, name);

    return result;
}

QQmlTypeNameCache::Result QQmlTypeNameCache::query(const QHashedStringRef &name, 
                                                                   const void *importNamespace)
{
    Q_ASSERT(importNamespace);
    const Import *i = static_cast<const Import *>(importNamespace);
    Q_ASSERT(i->scriptIndex == -1);

    return typeSearch(i->modules, name);
}

QQmlTypeNameCache::Result QQmlTypeNameCache::query(const QHashedV8String &name)
{
    Result result = query(m_namedImports, name);

    if (!result.isValid())
        result = typeSearch(m_anonymousImports, name);

    return result;
}

QQmlTypeNameCache::Result QQmlTypeNameCache::query(const QHashedV8String &name, const void *importNamespace)
{
    Q_ASSERT(importNamespace);
    const Import *i = static_cast<const Import *>(importNamespace);
    Q_ASSERT(i->scriptIndex == -1);

    QMap<const Import *, QStringHash<Import> >::const_iterator it = m_namespacedImports.find(i);
    if (it != m_namespacedImports.constEnd())
        return query(*it, name);

    return typeSearch(i->modules, name);
}

QQmlMetaType::ModuleApiInstance *QQmlTypeNameCache::moduleApi(const void *importNamespace)
{
    Q_ASSERT(importNamespace);
    const Import *i = static_cast<const Import *>(importNamespace);
    Q_ASSERT(i->scriptIndex == -1);

    return i->moduleApi;
}

QT_END_NAMESPACE