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path: root/writerperfect/source/writer/exp/xmlmetai.cxx
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/* -*- 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/.
 */

#include "xmlmetai.hxx"

#include "xmlimp.hxx"

using namespace com::sun::star;

namespace writerperfect
{
namespace exp
{

/// Handler for <dc:title>.
class XMLDcTitleContext : public XMLImportContext
{
public:
    XMLDcTitleContext(XMLImport &rImport, XMLMetaDocumentContext &rMeta);

    void SAL_CALL characters(const OUString &rChars) override;

    XMLMetaDocumentContext &mrMeta;
};

XMLDcTitleContext::XMLDcTitleContext(XMLImport &rImport, XMLMetaDocumentContext &rMeta)
    : XMLImportContext(rImport), mrMeta(rMeta)
{
}

void XMLDcTitleContext::characters(const OUString &rChars)
{
    OString sCharU8 = OUStringToOString(rChars, RTL_TEXTENCODING_UTF8);
    if (!mrMeta.m_aPropertyList["dc:title"])
        mrMeta.m_aPropertyList.insert("dc:title", librevenge::RVNGString(sCharU8.getStr()));
}

/// Handler for <dc:language>.
class XMLDcLanguageContext : public XMLImportContext
{
public:
    XMLDcLanguageContext(XMLImport &rImport, XMLMetaDocumentContext &rMeta);

    void SAL_CALL characters(const OUString &rChars) override;

    XMLMetaDocumentContext &mrMeta;
};

XMLDcLanguageContext::XMLDcLanguageContext(XMLImport &rImport, XMLMetaDocumentContext &rMeta)
    : XMLImportContext(rImport), mrMeta(rMeta)
{
}

void XMLDcLanguageContext::characters(const OUString &rChars)
{
    OString sCharU8 = OUStringToOString(rChars, RTL_TEXTENCODING_UTF8);
    if (!mrMeta.m_aPropertyList["dc:language"])
        mrMeta.m_aPropertyList.insert("dc:language", librevenge::RVNGString(sCharU8.getStr()));
}

/// Handler for <dc:date>.
class XMLDcDateContext : public XMLImportContext
{
public:
    XMLDcDateContext(XMLImport &rImport, XMLMetaDocumentContext &rMeta);

    void SAL_CALL characters(const OUString &rChars) override;

    XMLMetaDocumentContext &mrMeta;
};

XMLDcDateContext::XMLDcDateContext(XMLImport &rImport, XMLMetaDocumentContext &rMeta)
    : XMLImportContext(rImport), mrMeta(rMeta)
{
}

void XMLDcDateContext::characters(const OUString &rChars)
{
    OString sCharU8 = OUStringToOString(rChars, RTL_TEXTENCODING_UTF8);
    if (!mrMeta.m_aPropertyList["dc:date"])
        mrMeta.m_aPropertyList.insert("dc:date", librevenge::RVNGString(sCharU8.getStr()));
}

/// Handler for <meta:generator>.
class XMLMetaGeneratorContext : public XMLImportContext
{
public:
    XMLMetaGeneratorContext(XMLImport &rImport, XMLMetaDocumentContext &rMeta);

    void SAL_CALL characters(const OUString &rChars) override;

    XMLMetaDocumentContext &mrMeta;
};

XMLMetaGeneratorContext::XMLMetaGeneratorContext(XMLImport &rImport, XMLMetaDocumentContext &rMeta)
    : XMLImportContext(rImport), mrMeta(rMeta)
{
}

void XMLMetaGeneratorContext::characters(const OUString &rChars)
{
    OString sCharU8 = OUStringToOString(rChars, RTL_TEXTENCODING_UTF8);
    mrMeta.m_aPropertyList.insert("meta:generator", librevenge::RVNGString(sCharU8.getStr()));
}

/// Handler for <meta:initial-creator>.
class XMLMetaInitialCreatorContext : public XMLImportContext
{
public:
    XMLMetaInitialCreatorContext(XMLImport &rImport, XMLMetaDocumentContext &rMeta);

    void SAL_CALL characters(const OUString &rChars) override;

    XMLMetaDocumentContext &mrMeta;
};

XMLMetaInitialCreatorContext::XMLMetaInitialCreatorContext(XMLImport &rImport, XMLMetaDocumentContext &rMeta)
    : XMLImportContext(rImport), mrMeta(rMeta)
{
}

void XMLMetaInitialCreatorContext::characters(const OUString &rChars)
{
    OString sCharU8 = OUStringToOString(rChars, RTL_TEXTENCODING_UTF8);
    if (!mrMeta.m_aPropertyList["meta:initial-creator"])
        mrMeta.m_aPropertyList.insert("meta:initial-creator", librevenge::RVNGString(sCharU8.getStr()));
}

XMLMetaDocumentContext::XMLMetaDocumentContext(XMLImport &rImport)
    : XMLImportContext(rImport)
{
    librevenge::RVNGPropertyList::Iter it(mrImport.GetMetaData());
    for (it.rewind(); it.next();)
        m_aPropertyList.insert(it.key(), it()->clone());
    m_aPropertyList.insert("librevenge:cover-images", mrImport.GetCoverImages());
}

rtl::Reference<XMLImportContext> XMLMetaDocumentContext::CreateChildContext(const OUString &rName, const css::uno::Reference<css::xml::sax::XAttributeList> &/*xAttribs*/)
{
    if (rName == "dc:title")
        return new XMLDcTitleContext(mrImport, *this);
    if (rName == "dc:language")
        return new XMLDcLanguageContext(mrImport, *this);
    if (rName == "dc:date")
        return new XMLDcDateContext(mrImport, *this);
    if (rName == "meta:generator")
        return new XMLMetaGeneratorContext(mrImport, *this);
    if (rName == "meta:initial-creator")
        return new XMLMetaInitialCreatorContext(mrImport, *this);
    return nullptr;
}

void XMLMetaDocumentContext::endElement(const OUString &/*rName*/)
{
    mrImport.GetGenerator().setDocumentMetaData(m_aPropertyList);
}

XMPParser::XMPParser(librevenge::RVNGPropertyList &rMetaData)
    : mrMetaData(rMetaData)
{
}

XMPParser::~XMPParser() = default;

void XMPParser::startDocument()
{
}

void XMPParser::endDocument()
{

    if (!mrMetaData["dc:identifier"] && !m_aIdentifier.isEmpty())
        mrMetaData.insert("dc:identifier", m_aIdentifier.toUtf8().getStr());
    if (!mrMetaData["dc:title"] && !m_aTitle.isEmpty())
        mrMetaData.insert("dc:title", m_aTitle.toUtf8().getStr());
    if (!mrMetaData["meta:initial-creator"] && !m_aCreator.isEmpty())
        mrMetaData.insert("meta:initial-creator", m_aCreator.toUtf8().getStr());
    if (!mrMetaData["dc:language"] && !m_aLanguage.isEmpty())
        mrMetaData.insert("dc:language", m_aLanguage.toUtf8().getStr());
    if (!mrMetaData["dc:date"] && !m_aDate.isEmpty())
        mrMetaData.insert("dc:date", m_aDate.toUtf8().getStr());
}

void XMPParser::startElement(const OUString &rName, const uno::Reference<xml::sax::XAttributeList> &/*xAttribs*/)
{
    if (rName == "dc:identifier")
        m_bInIdentifier = true;
    else if (rName == "dc:title")
        m_bInTitle = true;
    else if (rName == "dc:creator")
        m_bInCreator = true;
    else if (rName == "dc:language")
        m_bInLanguage = true;
    else if (rName == "dc:date")
        m_bInDate = true;
    else if (rName == "rdf:li")
    {
        if (m_bInTitle)
            m_bInTitleItem = true;
        else if (m_bInCreator)
            m_bInCreatorItem = true;
        else if (m_bInLanguage)
            m_bInLanguageItem = true;
        else if (m_bInDate)
            m_bInDateItem = true;
    }
}

void XMPParser::endElement(const OUString &rName)
{
    if (rName == "dc:identifier")
        m_bInIdentifier = false;
    else if (rName == "dc:title")
        m_bInTitle = false;
    else if (rName == "dc:creator")
        m_bInCreator = false;
    else if (rName == "dc:language")
        m_bInLanguage = false;
    else if (rName == "dc:date")
        m_bInDate = false;
    else if (rName == "rdf:li")
    {
        if (m_bInTitle)
            m_bInTitleItem = false;
        else if (m_bInCreator)
            m_bInCreatorItem = false;
        else if (m_bInLanguage)
            m_bInLanguageItem = false;
        else if (m_bInDate)
            m_bInDateItem = false;
    }
}

void XMPParser::characters(const OUString &rChars)
{
    if (m_bInIdentifier)
        m_aIdentifier += rChars;
    else if (m_bInTitleItem)
        m_aTitle += rChars;
    else if (m_bInCreatorItem)
        m_aCreator += rChars;
    else if (m_bInLanguageItem)
        m_aLanguage += rChars;
    else if (m_bInDateItem)
        m_aDate += rChars;
}

void XMPParser::ignorableWhitespace(const OUString &/*rWhitespace*/)
{
}

void XMPParser::processingInstruction(const OUString &/*rTarget*/, const OUString &/*rData*/)
{
}

void XMPParser::setDocumentLocator(const uno::Reference<xml::sax::XLocator> &/*xLocator*/)
{
}

} // namespace exp
} // namespace writerperfect

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