/* -*- 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/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (the "License"); you may not use this file

 *   except in compliance with the License. You may obtain a copy of

 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .

 */

#include <comphelper/attributelist.hxx>

#include <algorithm>

#include <cassert>

using namespace com::sun::star;

namespace comphelper {

OUString SAL_CALL AttributeList::getValueByName(const OUString& sName)

{

    for (auto const& attribute : mAttributes)

    {

        if( attribute.sName == sName ) {

            return attribute.sValue;

        }

    }

    return OUString();

}

AttributeList::AttributeList()

{

    // performance improvement during adding

    mAttributes.reserve(20);

}

AttributeList::AttributeList(const uno::Reference< xml::sax::XAttributeList>& rAttrList)

{

    if (AttributeList* pImpl = dynamic_cast<AttributeList*>(rAttrList.get()))

        mAttributes = pImpl->mAttributes;

    else

        AppendAttributeList(rAttrList);

}

AttributeList::~AttributeList()

{

}

css::uno::Reference< css::util::XCloneable > AttributeList::createClone()

{

    return new AttributeList( *this );

}

void AttributeList::AddAttribute(const OUString& sName, const OUString& sValue)

{

    assert(!sName.isEmpty() && "empty attribute name is invalid");

    // Either it's 'namespace_prefix:attribute_name',

    // or as in XMLNamespaces::applyNSToAttributeName, it's 'namespace:full:uri^attribute_name'.

    assert((std::count(sName.getStr(), sName.getStr() + sName.getLength(), u':') <= 1

            || std::count(sName.getStr(), sName.getStr() + sName.getLength(), u'^') == 1)

           && "too many colons");

    // TODO: this assertion fails in tests!

//    assert(std::none_of(mAttributes.begin(), mAttributes.end(),

//                        [&sName](const TagAttribute& a) { return a.sName == sName; }));

    mAttributes.push_back({ sName, sValue });

}

void AttributeList::RemoveAttribute(const OUString& sName)

{

    auto ii = std::find_if(mAttributes.begin(), mAttributes.end(),

                           [&sName](const TagAttribute& rAttr) { return rAttr.sName == sName; });

    if (ii != mAttributes.end())

        mAttributes.erase(ii);

}

void AttributeList::AppendAttributeList(const uno::Reference<css::xml::sax::XAttributeList>& r)

{

    assert(r.is());

    sal_Int16 nMax = r->getLength();

    sal_Int16 nTotalSize = mAttributes.size() + nMax;

    mAttributes.reserve(nTotalSize);

    for (sal_Int16 i = 0; i < nMax; ++i)

        AddAttribute(r->getNameByIndex(i), r->getValueByIndex(i));

    assert(nTotalSize == getLength());

}

void AttributeList::SetValueByIndex(sal_Int16 i, const OUString& rValue)

{

    mAttributes[i].sValue = rValue;

}

void AttributeList::RemoveAttributeByIndex(sal_Int16 i)

{

    mAttributes.erase(mAttributes.begin() + i);

}

void AttributeList::RenameAttributeByIndex(sal_Int16 i, const OUString& rNewName)

{

    mAttributes[i].sName = rNewName;

}

sal_Int16 AttributeList::GetIndexByName(const OUString& rName) const

{

    auto ii = std::find_if(mAttributes.begin(), mAttributes.end(),

                           [&rName](const TagAttribute& rAttr) { return rAttr.sName == rName; });

    if (ii != mAttributes.end())

        return static_cast<sal_Int16>(std::distance(mAttributes.begin(), ii));

    return -1;

}

} // namespace comphelper

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