/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** This file is part of Qt Creator.
**
** 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 The Qt Company.  For licensing terms and
** conditions see http://www.qt.io/terms-conditions.  For further information
** use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights.  These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

#include "highlightinginformations.h"

#include "highlightingmarkcontainer.h"

#include <QVector>

namespace ClangBackEnd {

HighlightingInformations::HighlightingInformations(CXTranslationUnit cxTranslationUnit, CXToken *tokens, uint tokensCount)
    : cxTranslationUnit(cxTranslationUnit),
      cxToken(tokens),
      cxTokenCount(tokensCount)
{
    cxCursor.resize(tokensCount);
    clang_annotateTokens(cxTranslationUnit, cxToken, cxTokenCount, cxCursor.data());
}

HighlightingInformations::~HighlightingInformations()
{
    clang_disposeTokens(cxTranslationUnit, cxToken, cxTokenCount);
}

HighlightingInformations::const_iterator HighlightingInformations::begin() const
{
    return const_iterator(cxCursor.cbegin(), cxToken, cxTranslationUnit);
}

HighlightingInformations::const_iterator HighlightingInformations::end() const
{
    return const_iterator(cxCursor.cend(), cxToken + cxTokenCount, cxTranslationUnit);
}

QVector<HighlightingMarkContainer> HighlightingInformations::toHighlightingMarksContainers() const
{
    QVector<HighlightingMarkContainer> containers;
    containers.reserve(size());

    const auto isValidHighlightMark = [] (const HighlightingInformation &highlightMark) {
        return !highlightMark.hasType(HighlightingType::Invalid);
    };

    std::copy_if(begin(), end(), std::back_inserter(containers), isValidHighlightMark);

    return containers;
}

bool HighlightingInformations::isEmpty() const
{
    return cxTokenCount == 0;
}

bool ClangBackEnd::HighlightingInformations::isNull() const
{
    return cxToken == nullptr;
}

uint HighlightingInformations::size() const
{
    return cxTokenCount;
}

HighlightingInformation HighlightingInformations::operator[](size_t index) const
{
    return HighlightingInformation(cxCursor[index], cxToken + index, cxTranslationUnit);
}

} // namespace ClangBackEnd