/*
 * (c) Copyright Ascensio System SIA 2010-2023
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation. In accordance with
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
 * street, Riga, Latvia, EU, LV-1050.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */
#include "TextSpecInfoAtom.h"

using namespace PPT;

CRecordTextSpecInfoAtom::CRecordTextSpecInfoAtom()
{
    m_lCount = 0;
    m_lOffsetInStream = 0;
}

CRecordTextSpecInfoAtom::~CRecordTextSpecInfoAtom()
{
    m_lCount = 0;
}

void CRecordTextSpecInfoAtom::ReadFromStream(SRecordHeader &oHeader, POLE::Stream *pStream)
{
    m_oHeader = oHeader;
    StreamUtils::StreamPosition(m_lOffsetInStream, pStream);

    _UINT32 lMemCount = 0;
    while (true)
    {
        PPT::CTextSIRun elm;
        m_arrSIs.push_back(elm);

        NSStreamReader::Read(pStream, m_arrSIs.back());
        lMemCount += m_arrSIs.back().lCount;

        long sz = (long)(pStream->tell() - m_lOffsetInStream);

        if (sz >= (long)m_oHeader.RecLen)
            break;
    }

    // на всякий случай...
    // здесь когда текст сначала другой (т.е. например - placeholder в мастере) -
    // то у нас неправильно выставился m_lCount... на число m_lCount пилюем .. берем структур si скока прописано
    StreamUtils::StreamSeek(m_lOffsetInStream + m_oHeader.RecLen, pStream);
}

void CRecordTextSpecInfoAtom::ApplyProperties(CTextAttributesEx *pText)
{
    if (m_arrSIs.size() < 1) return;

    int pos_text = 0, pos_si = 0;
    size_t ind = 0;

    for (size_t i = 0; i < pText->m_arParagraphs.size(); i++)
    {
        if (ind >= m_arrSIs.size()) break;

        for (size_t j = 0 ; j < pText->m_arParagraphs[i].m_arSpans.size(); j++)
        {
            if (pos_text + pText->m_arParagraphs[i].m_arSpans[j].m_strText.length() > pos_si + m_arrSIs[ind].lCount )
            {
                pos_si += m_arrSIs[ind].lCount;
                ind++;
            }
            if (ind >= m_arrSIs.size()) break;
            if (m_arrSIs[ind].bLang)
                pText->m_arParagraphs[i].m_arSpans[j].m_oRun.Language = m_arrSIs[ind].Lang;
            pos_text += pText->m_arParagraphs[i].m_arSpans[j].m_strText.length() ;
        }

    }
}