/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 */

#pragma once

#include <rtl/string.hxx>

#include <vector>

namespace vcl

{

const char* matchArray(const char* pSource, sal_Int32 nSourceSize, const char* pSearch,

                       sal_Int32 nSearchSize)

{

    for (sal_Int32 increment = 0; increment <= (nSourceSize - nSearchSize); ++increment)

    {

        bool bMatch = true;

        // search both arrays if they match

        for (sal_Int32 index = 0; index < nSearchSize && bMatch; ++index)

        {

            if (pSource[index] != pSearch[index])

                bMatch = false;

        }

        // match has been found

        if (bMatch)

            return pSource;

        pSource++;

    }

    return nullptr;

}

const char* matchArrayWithString(const char* pSource, sal_Int32 nSourceSize, OString const& rString)

{

    return matchArray(pSource, nSourceSize, rString.getStr(), rString.getLength());

}

bool checkArrayForMatchingStrings(const char* pSource, sal_Int32 nSourceSize,

                                  std::vector<OString> const& rStrings)

{

    if (rStrings.empty())

        return false;

    if (rStrings.size() < 2)

        return matchArrayWithString(pSource, nSourceSize, rStrings[0]) != nullptr;

    const char* pBegin = pSource;

    const char* pCurrent = pSource;

    for (OString const& rString : rStrings)

    {

        sal_Int32 nCurrentSize = nSourceSize - sal_Int32(pCurrent - pBegin);

        pCurrent = matchArray(pCurrent, nCurrentSize, rString.getStr(), rString.getLength());

        if (pCurrent == nullptr)

            return false;

    }

    return true;

}

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */