CRNAltoUtils.cpp

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/* Copyright 2011-2016 CoReNum
 * 
 * This file is part of libcrn.
 * 
 * libcrn is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * libcrn is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with libcrn.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * file: CRNAltoUtils.cpp
 * \author Yann LEYDIER
 */

#include <CRNXml/CRNAltoUtils.h>
#include <algorithm>

using namespace crn;
using namespace xml;

std::vector<Id> crn::xml::GetStyleRefs(const Element &el)
{
    std::vector<Id> styles;
    StringUTF8 str = el.GetAttribute<StringUTF8>("STYLEREFS");
    if (str.IsNotEmpty())
        styles = str.Split(" ");
    return styles;
}
    
void crn::xml::AddStyleRef(Element &el, const Id &id)
{
    std::vector<Id> styles(GetStyleRefs(el));
    if (std::find(styles.begin(), styles.end(), id) != styles.end())
        return;
    StringUTF8 av;
    for (const Id &sid : styles)
        av += sid + " ";
    av += id;
    el.SetAttribute("STYLEREFS", av);
}

void crn::xml::RemoveStyleRef(Element &el, const Id &id)
{
    std::vector<Id> tmpvec;
    std::vector<Id> styles(GetStyleRefs(el));
    std::remove_copy(styles.begin(), styles.end(), std::back_inserter(tmpvec), id);
    styles.swap(tmpvec);
    StringUTF8 av;
    for (const Id &sid : styles)
        av += sid + " ";
    el.SetAttribute("STYLEREFS", av);
}