/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the Collabora Office 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/.
 */

#include "xmltbli.hxx"

#include "txtparai.hxx"
#include "xmlimp.hxx"
#include "xmltext.hxx"

#include <sal/log.hxx>

using namespace com::sun::star;

namespace writerperfect::exp
{
namespace
{
/// Handler for <table:table-row>.
class XMLTableRowContext : public XMLImportContext
{
public:
    XMLTableRowContext(XMLImport& rImport);

    rtl::Reference<XMLImportContext>
    CreateChildContext(const OUString& rName,
                       const css::uno::Reference<css::xml::sax::XAttributeList>& xAttribs) override;
    int GetColumn() const;
    void SetColumn(int nColumn);

    void SAL_CALL
    startElement(const OUString& rName,
                 const css::uno::Reference<css::xml::sax::XAttributeList>& xAttribs) override;
    void SAL_CALL endElement(const OUString& rName) override;

private:
    int m_nColumn = 0;
};

/// Handler for <table:cell>.
class XMLTableCellContext : public XMLImportContext
{
public:
    XMLTableCellContext(XMLImport& rImport, XMLTableRowContext& rRow);

    rtl::Reference<XMLImportContext>
    CreateChildContext(const OUString& rName,
                       const css::uno::Reference<css::xml::sax::XAttributeList>& xAttribs) override;

    void SAL_CALL
    startElement(const OUString& rName,
                 const css::uno::Reference<css::xml::sax::XAttributeList>& xAttribs) override;
    void SAL_CALL endElement(const OUString& rName) override;

private:
    XMLTableRowContext& m_rRow;
};
}

XMLTableCellContext::XMLTableCellContext(XMLImport& rImport, XMLTableRowContext& rRow)
    : XMLImportContext(rImport)
    , m_rRow(rRow)
{
}

rtl::Reference<XMLImportContext> XMLTableCellContext::CreateChildContext(
    const OUString& rName, const css::uno::Reference<css::xml::sax::XAttributeList>& /*xAttribs*/)
{
    return CreateTextChildContext(GetImport(), rName);
}

void XMLTableCellContext::startElement(
    const OUString& /*rName*/, const css::uno::Reference<css::xml::sax::XAttributeList>& xAttribs)
{
    librevenge::RVNGPropertyList aPropertyList;
    for (sal_Int16 i = 0; i < xAttribs->getLength(); ++i)
    {
        const OUString aAttributeName = xAttribs->getNameByIndex(i);
        const OUString aAttributeValue = xAttribs->getValueByIndex(i);

        if (aAttributeName == "table:style-name")
            FillStyles(aAttributeValue, GetImport().GetAutomaticCellStyles(),
                       GetImport().GetCellStyles(), aPropertyList);
        else
        {
            OString sName = OUStringToOString(aAttributeName, RTL_TEXTENCODING_UTF8);
            OString sValue = OUStringToOString(aAttributeValue, RTL_TEXTENCODING_UTF8);
            aPropertyList.insert(sName.getStr(), sValue.getStr());
        }
    }
    aPropertyList.insert("librevenge:column", m_rRow.GetColumn());
    GetImport().GetGenerator().openTableCell(aPropertyList);
    m_rRow.SetColumn(m_rRow.GetColumn() + 1);
}

void XMLTableCellContext::endElement(const OUString& /*rName*/)
{
    GetImport().GetGenerator().closeTableCell();
}

namespace
{
/// Handler for <table:table-column>.
class XMLTableColumnContext : public XMLImportContext
{
public:
    XMLTableColumnContext(XMLImport& rImport, librevenge::RVNGPropertyListVector& rColumns);

    void SAL_CALL
    startElement(const OUString& rName,
                 const css::uno::Reference<css::xml::sax::XAttributeList>& xAttribs) override;

private:
    librevenge::RVNGPropertyListVector& m_rColumns;
};
}

XMLTableColumnContext::XMLTableColumnContext(XMLImport& rImport,
                                             librevenge::RVNGPropertyListVector& rColumns)
    : XMLImportContext(rImport)
    , m_rColumns(rColumns)
{
}

void XMLTableColumnContext::startElement(
    const OUString& /*rName*/, const css::uno::Reference<css::xml::sax::XAttributeList>& xAttribs)
{
    librevenge::RVNGPropertyList aPropertyList;
    for (sal_Int16 i = 0; i < xAttribs->getLength(); ++i)
    {
        const OUString aAttributeName = xAttribs->getNameByIndex(i);
        const OUString aAttributeValue = xAttribs->getValueByIndex(i);

        if (aAttributeName == "table:style-name")
            FillStyles(aAttributeValue, GetImport().GetAutomaticColumnStyles(),
                       GetImport().GetColumnStyles(), aPropertyList);
    }
    m_rColumns.append(aPropertyList);
}

XMLTableRowContext::XMLTableRowContext(XMLImport& rImport)
    : XMLImportContext(rImport)
{
}

rtl::Reference<XMLImportContext> XMLTableRowContext::CreateChildContext(
    const OUString& rName, const css::uno::Reference<css::xml::sax::XAttributeList>& /*xAttribs*/)
{
    if (rName == "table:table-cell")
        return new XMLTableCellContext(GetImport(), *this);
    if (rName == "table:covered-table-cell")
    {
        ++m_nColumn;
        GetImport().GetGenerator().insertCoveredTableCell(librevenge::RVNGPropertyList());
    }
    else
        SAL_WARN("writerperfect", "XMLTableRowContext::CreateChildContext: unhandled " << rName);
    return nullptr;
}

void XMLTableRowContext::startElement(
    const OUString& /*rName*/, const css::uno::Reference<css::xml::sax::XAttributeList>& xAttribs)
{
    librevenge::RVNGPropertyList aPropertyList;
    for (sal_Int16 i = 0; i < xAttribs->getLength(); ++i)
    {
        const OUString aAttributeName = xAttribs->getNameByIndex(i);
        const OUString aAttributeValue = xAttribs->getValueByIndex(i);

        if (aAttributeName == "table:style-name")
            FillStyles(aAttributeValue, GetImport().GetAutomaticRowStyles(),
                       GetImport().GetRowStyles(), aPropertyList);
    }
    GetImport().GetGenerator().openTableRow(aPropertyList);
}

void XMLTableRowContext::endElement(const OUString& /*rName*/)
{
    GetImport().GetGenerator().closeTableRow();
}

int XMLTableRowContext::GetColumn() const { return m_nColumn; }

void XMLTableRowContext::SetColumn(int nColumn) { m_nColumn = nColumn; }

XMLTableContext::XMLTableContext(XMLImport& rImport, bool bTopLevel)
    : XMLImportContext(rImport)
    , m_bTopLevel(bTopLevel)
{
}

rtl::Reference<XMLImportContext> XMLTableContext::CreateChildContext(
    const OUString& rName, const css::uno::Reference<css::xml::sax::XAttributeList>& /*xAttribs*/)
{
    if (rName == "table:table-column")
        // Make sure columns are parsed before we open the table.
        return new XMLTableColumnContext(GetImport(), m_aColumns);

    if (!m_bTableOpened)
    {
        if (!m_aColumns.empty())
            m_aPropertyList.insert("librevenge:table-columns", m_aColumns);
        GetImport().GetGenerator().openTable(m_aPropertyList);
        m_bTableOpened = true;
    }

    if (rName == "table:table-row")
        return new XMLTableRowContext(GetImport());

    SAL_WARN("writerperfect", "XMLTableContext::CreateChildContext: unhandled " << rName);

    return nullptr;
}

void XMLTableContext::startElement(
    const OUString& /*rName*/, const css::uno::Reference<css::xml::sax::XAttributeList>& xAttribs)
{
    for (sal_Int16 i = 0; i < xAttribs->getLength(); ++i)
    {
        const OUString aAttributeName = xAttribs->getNameByIndex(i);
        const OUString aAttributeValue = xAttribs->getValueByIndex(i);

        if (aAttributeName == "table:style-name")
        {
            FillStyles(aAttributeValue, GetImport().GetAutomaticTableStyles(),
                       GetImport().GetTableStyles(), m_aPropertyList);
            if (m_bTopLevel)
                GetImport().HandlePageSpan(m_aPropertyList);
        }
        else
        {
            OString sName = OUStringToOString(aAttributeName, RTL_TEXTENCODING_UTF8);
            OString sValue = OUStringToOString(aAttributeValue, RTL_TEXTENCODING_UTF8);
            m_aPropertyList.insert(sName.getStr(), sValue.getStr());
        }
    }
}

void XMLTableContext::endElement(const OUString& /*rName*/)
{
    if (m_bTableOpened)
    {
        GetImport().GetGenerator().closeTable();
    }
}

} // namespace writerperfect::exp

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