/* -*- 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 "attributesmap.hxx"

#include <string.h>

#include <com/sun/star/xml/dom/DOMException.hpp>

#include <utility>

#include "element.hxx"

#include "document.hxx"

using namespace css::uno;

using namespace css::xml::dom;

namespace DOM

{

    CAttributesMap::CAttributesMap(::rtl::Reference<CElement> pElement,

                ::osl::Mutex & rMutex)

        : m_pElement(std::move(pElement))

        , m_rMutex(rMutex)

    {

    }

    /**

    The number of nodes in this map.

    */

    sal_Int32 SAL_CALL CAttributesMap::getLength()

    {

        ::osl::MutexGuard const g(m_rMutex);

        sal_Int32 count = 0;

        xmlNodePtr pNode = m_pElement->GetNodePtr();

        if (pNode != nullptr)

        {

            xmlAttrPtr cur = pNode->properties;

            while (cur != nullptr)

            {

                count++;

                cur = cur->next;

            }

        }

        return count;

    }

    /**

    Retrieves a node specified by local name

    */

    Reference< XNode > SAL_CALL

    CAttributesMap::getNamedItem(OUString const& name)

    {

        ::osl::MutexGuard const g(m_rMutex);

        xmlNodePtr pNode = m_pElement->GetNodePtr();

        if (pNode == nullptr)

            return nullptr;

        rtl::Reference< CNode > aNode;

        OString o1 = OUStringToOString(name, RTL_TEXTENCODING_UTF8);

        xmlChar const * pName = reinterpret_cast<xmlChar const *>(o1.getStr());

        xmlAttrPtr cur = pNode->properties;

        while (cur != nullptr)

        {

            if( strcmp(reinterpret_cast<char const *>(pName), reinterpret_cast<char const *>(cur->name)) == 0)

            {

                aNode = m_pElement->GetOwnerDocument().GetCNode(

                               reinterpret_cast<xmlNodePtr>(cur));

                break;

            }

            cur = cur->next;

        }

        return aNode;

    }

    /**

    Retrieves a node specified by local name and namespace URI.

    */

    Reference< XNode > SAL_CALL

    CAttributesMap::getNamedItemNS(

            OUString const& namespaceURI, OUString const& localName)

    {

        ::osl::MutexGuard const g(m_rMutex);

        xmlNodePtr pNode = m_pElement->GetNodePtr();

        if (pNode == nullptr)

            return nullptr;

        rtl::Reference< CNode > aNode;

        OString o1 = OUStringToOString(localName, RTL_TEXTENCODING_UTF8);

        xmlChar const * pName = reinterpret_cast<xmlChar const *>(o1.getStr());

        OString o2 = OUStringToOString(namespaceURI, RTL_TEXTENCODING_UTF8);

        xmlChar const* pSearchNs =

            reinterpret_cast<xmlChar const*>(o2.getStr());

        xmlNsPtr const pNs = xmlSearchNsByHref(pNode->doc, pNode, pSearchNs);

        xmlAttrPtr cur = pNode->properties;

        while (cur != nullptr && pNs != nullptr)

        {

            if( strcmp(reinterpret_cast<char const *>(pName), reinterpret_cast<char const *>(cur->name)) == 0 &&

                cur->ns == pNs)

            {

                aNode = m_pElement->GetOwnerDocument().GetCNode(

                              reinterpret_cast<xmlNodePtr>(cur));

                break;

            }

            cur = cur->next;

        }

        return aNode;

    }

    /**

    Returns the indexth item in the map.

    */

    Reference< XNode > SAL_CALL

    CAttributesMap::item(sal_Int32 index)

    {

        ::osl::MutexGuard const g(m_rMutex);

        xmlNodePtr pNode = m_pElement->GetNodePtr();

        if (pNode == nullptr)

            return nullptr;

        rtl::Reference< CNode > aNode;

        xmlAttrPtr cur = pNode->properties;

        sal_Int32 count = 0;

        while (cur != nullptr)

        {

            if (count == index)

            {

                aNode = m_pElement->GetOwnerDocument().GetCNode(

                            reinterpret_cast<xmlNodePtr>(cur));

                break;

            }

            count++;

            cur = cur->next;

        }

        return aNode;

    }

    /**

    Removes a node specified by name.

    */

    Reference< XNode > SAL_CALL

    CAttributesMap::removeNamedItem(OUString const& name)

    {

        // no MutexGuard needed: m_pElement is const

        Reference< XAttr > const xAttr(m_pElement->getAttributeNode(name));

        if (!xAttr.is()) {

            throw DOMException(

                u"CAttributesMap::removeNamedItem: no such attribute"_ustr,

                getXWeak(),

                DOMExceptionType_NOT_FOUND_ERR);

        }

        return m_pElement->removeAttributeNode(xAttr);

    }

    /**

    // Removes a node specified by local name and namespace URI.

    */

    Reference< XNode > SAL_CALL

    CAttributesMap::removeNamedItemNS(

            OUString const& namespaceURI, OUString const& localName)

    {

        // no MutexGuard needed: m_pElement is const

        Reference< XAttr > const xAttr(

            m_pElement->getAttributeNodeNS(namespaceURI, localName));

        if (!xAttr.is()) {

            throw DOMException(

                u"CAttributesMap::removeNamedItemNS: no such attribute"_ustr,

                getXWeak(),

                DOMExceptionType_NOT_FOUND_ERR);

        }

        return m_pElement->removeAttributeNode(xAttr);

    }

    /**

    // Adds a node using its nodeName attribute.

    */

    Reference< XNode > SAL_CALL

    CAttributesMap::setNamedItem(Reference< XNode > const& xNode)

    {

        Reference< XAttr > const xAttr(xNode, UNO_QUERY);

        if (!xNode.is()) {

            throw DOMException(

                u"CAttributesMap::setNamedItem: XAttr argument expected"_ustr,

                getXWeak(),

                DOMExceptionType_HIERARCHY_REQUEST_ERR);

        }

        // no MutexGuard needed: m_pElement is const

        return m_pElement->setAttributeNode(xAttr);

    }

    /**

    Adds a node using its namespaceURI and localName.

    */

    Reference< XNode > SAL_CALL

    CAttributesMap::setNamedItemNS(Reference< XNode > const& xNode)

    {

        Reference< XAttr > const xAttr(xNode, UNO_QUERY);

        if (!xNode.is()) {

            throw DOMException(

                u"CAttributesMap::setNamedItemNS: XAttr argument expected"_ustr,

                getXWeak(),

                DOMExceptionType_HIERARCHY_REQUEST_ERR);

        }

        // no MutexGuard needed: m_pElement is const

        return m_pElement->setAttributeNodeNS(xAttr);

    }

}

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