File: WPSImport.cpp

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/* This file is part of the KDE project
 *
 * Based on writerperfect code, major Contributor(s):
 * Copyright (C) 2002-2004 William Lachance (wrlach@gmail.com)
 * Copyright (C) 2004-2006 Fridrich Strba (fridrich.strba@bluewin.ch)
 *
 * For minor contributions see the writerperfect git repository.
 *
 * The contents of this file may be used under the terms
 * of the GNU Lesser General Public License Version 2.1 or later
 * (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are
 * applicable instead of those above.
 *
 * For further information visit http://libwpd.sourceforge.net
 */

#include "WPSImport.h"

#include <librevenge/librevenge.h>
#include <libwps/libwps.h>
#include <libodfgen/libodfgen.hxx>

#include "OutputFileHelper.hxx"
#include <KoFilterChain.h>
#include <KoGlobal.h>
#include <KoOdf.h>

#include <kpluginfactory.h>

#include <QString>
#include <QByteArray>

#include <stdio.h>

class OdtOutputFileHelper : public OutputFileHelper
{
public:
    OdtOutputFileHelper(const char *outFileName,const char *password) :
        OutputFileHelper(outFileName, password) {};
    ~OdtOutputFileHelper() {};

private:
    bool _isSupportedFormat(librevenge::RVNGInputStream *input, const char * /* password */)
    {
        libwps::WPSKind kind = libwps::WPS_TEXT;
        libwps::WPSConfidence confidence = libwps::WPSDocument::isFileFormatSupported(input, kind);
        if ((libwps::WPS_TEXT != kind) || (confidence != libwps::WPS_CONFIDENCE_EXCELLENT))
        {
            fprintf(stderr, "ERROR: We have no confidence that you are giving us a valid Microsoft Works document.\n");
            return false;
        }

        return true;
    }

    bool _convertDocument(librevenge::RVNGInputStream *input, const char * /* password */, OdfDocumentHandler *handler, const OdfStreamType streamType)
    {
        OdtGenerator collector;
        collector.addDocumentHandler(handler, streamType);
        if (libwps::WPS_OK == libwps::WPSDocument::parse(input, &collector))
            return true;
        return false;
    }
};

K_PLUGIN_FACTORY(WPSImportFactory, registerPlugin<WPSImport>();)
K_EXPORT_PLUGIN(WPSImportFactory("calligrafilters"))

WPSImport::WPSImport(QObject* parent, const QVariantList&)
        : KoFilter(parent)
{
}

WPSImport::~WPSImport()
{
}

KoFilter::ConversionStatus WPSImport::convert(const QByteArray& from, const QByteArray& to)
{
    if (from != "application/vnd.ms-works" || to != KoOdf::mimeType(KoOdf::Text))
        return KoFilter::NotImplemented;

    const char mimetypeStr[] = "application/vnd.oasis.opendocument.text";

    const char manifestStr[] = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
                               "<manifest:manifest xmlns:manifest=\"urn:oasis:names:tc:opendocument:xmlns:manifest:1.0\">"
                               " <manifest:file-entry manifest:media-type=\"application/vnd.oasis.opendocument.text\" manifest:full-path=\"/\"/>"
                               " <manifest:file-entry manifest:media-type=\"text/xml\" manifest:full-path=\"content.xml\"/>"
                               " <manifest:file-entry manifest:media-type=\"text/xml\" manifest:full-path=\"styles.xml\"/>"
                               "</manifest:manifest>";

    const char stylesStr[] = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
                             "<office:document-styles xmlns:office=\"urn:oasis:names:tc:opendocument:xmlns:office:1.0\" "
                             "xmlns:style=\"urn:oasis:names:tc:opendocument:xmlns:style:1.0\" xmlns:text=\"urn:oasis:names:tc:opendocument:xmlns:text:1.0\" "
                             "xmlns:table=\"urn:oasis:names:tc:opendocument:xmlns:table:1.0\" xmlns:draw=\"urn:oasis:names:tc:opendocument:xmlns:drawing:1.0\" "
                             "xmlns:fo=\"urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" "
                             "xmlns:number=\"urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0\" "
                             "xmlns:svg=\"urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0\" "
                             "xmlns:chart=\"urn:oasis:names:tc:opendocument:xmlns:chart:1.0\" xmlns:dr3d=\"urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0\" "
                             "xmlns:form=\"urn:oasis:names:tc:opendocument:xmlns:form:1.0\" xmlns:script=\"urn:oasis:names:tc:opendocument:xmlns:script:1.0\">"
                             "<office:styles>"
                             "<style:default-style style:family=\"paragraph\">"
                             "<style:paragraph-properties style:use-window-font-color=\"true\" style:text-autospace=\"ideograph-alpha\" "
                             "style:punctuation-wrap=\"hanging\" style:line-break=\"strict\" style:writing-mode=\"page\"/>"
                             "</style:default-style>"
                             "<style:default-style style:family=\"table\"/>"
                             "<style:default-style style:family=\"table-row\">"
                             "<style:table-row-properties fo:keep-together=\"auto\"/>"
                             "</style:default-style>"
                             "<style:default-style style:family=\"table-column\"/>"
                             "<style:style style:name=\"Standard\" style:family=\"paragraph\" style:class=\"text\"/>"
                             "<style:style style:name=\"Text_body\" style:display-name=\"Text body\" style:family=\"paragraph\" "
                             "style:parent-style-name=\"Standard\" style:class=\"text\"/>"
                             "<style:style style:name=\"List\" style:family=\"paragraph\" style:parent-style-name=\"Text_body\" style:class=\"list\"/>"
                             "<style:style style:name=\"Header\" style:family=\"paragraph\" style:parent-style-name=\"Standard\" style:class=\"extra\"/>"
                             "<style:style style:name=\"Footer\" style:family=\"paragraph\" style:parent-style-name=\"Standard\" style:class=\"extra\"/>"
                             "<style:style style:name=\"Caption\" style:family=\"paragraph\" style:parent-style-name=\"Standard\" style:class=\"extra\"/>"
                             "<style:style style:name=\"Footnote\" style:family=\"paragraph\" style:parent-style-name=\"Standard\" style:class=\"extra\"/>"
                             "<style:style style:name=\"Endnote\" style:family=\"paragraph\" style:parent-style-name=\"Standard\" style:class=\"extra\"/>"
                             "<style:style style:name=\"Index\" style:family=\"paragraph\" style:parent-style-name=\"Standard\" style:class=\"index\"/>"
                             "<style:style style:name=\"Footnote_Symbol\" style:display-name=\"Footnote Symbol\" style:family=\"text\">"
                             "<style:text-properties style:text-position=\"super 58%\"/>"
                             "</style:style>"
                             "<style:style style:name=\"Endnote_Symbol\" style:display-name=\"Endnote Symbol\" style:family=\"text\">"
                             "<style:text-properties style:text-position=\"super 58%\"/>"
                             "</style:style>"
                             "<style:style style:name=\"Footnote_anchor\" style:display-name=\"Footnote anchor\" style:family=\"text\">"
                             "<style:text-properties style:text-position=\"super 58%\"/>"
                             "</style:style>"
                             "<style:style style:name=\"Endnote_anchor\" style:display-name=\"Endnote anchor\" style:family=\"text\">"
                             "<style:text-properties style:text-position=\"super 58%\"/>"
                             "</style:style>"
                             "<text:notes-configuration text:note-class=\"footnote\" text:citation-style-name=\"Footnote_Symbol\" "
                             "text:citation-body-style-name=\"Footnote_anchor\" style:num-format=\"1\" text:start-value=\"0\" "
                             "text:footnotes-position=\"page\" text:start-numbering-at=\"document\"/>"
                             "<text:notes-configuration text:note-class=\"endnote\" text:citation-style-name=\"Endnote_Symbol\" "
                             "text:citation-body-style-name=\"Endnote_anchor\" text:master-page-name=\"Endnote\" "
                             "style:num-format=\"i\" text:start-value=\"0\"/>"
                             "<text:linenumbering-configuration text:number-lines=\"false\" text:offset=\"0.1965in\" "
                             "style:num-format=\"1\" text:number-position=\"left\" text:increment=\"5\"/>"
                             "</office:styles>"
                             "<office:automatic-styles>"
                             "<style:page-layout style:name=\"PM0\">"
                             "<style:page-layout-properties fo:margin-bottom=\"1.0000in\" fo:margin-left=\"1.0000in\" "
                             "fo:margin-right=\"1.0000in\" fo:margin-top=\"1.0000in\" fo:page-height=\"11.0000in\" "
                             "fo:page-width=\"8.5000in\" style:print-orientation=\"portrait\">"
                             "<style:footnote-sep style:adjustment=\"left\" style:color=\"#000000\" style:distance-after-sep=\"0.0398in\" "
                             "style:distance-before-sep=\"0.0398in\" style:rel-width=\"25%\" style:width=\"0.0071in\"/>"
                             "</style:page-layout-properties>"
                             "</style:page-layout>"
                             "<style:page-layout style:name=\"PM1\">"
                             "<style:page-layout-properties fo:margin-bottom=\"1.0000in\" fo:margin-left=\"1.0000in\" "
                             "fo:margin-right=\"1.0000in\" fo:margin-top=\"1.0000in\" fo:page-height=\"11.0000in\" "
                             "fo:page-width=\"8.5000in\" style:print-orientation=\"portrait\">"
                             "<style:footnote-sep style:adjustment=\"left\" style:color=\"#000000\" style:rel-width=\"25%\"/>"
                             "</style:page-layout-properties>"
                             "</style:page-layout>"
                             "</office:automatic-styles>"
                             "<office:master-styles>"
                             "<style:master-page style:name=\"Standard\" style:page-layout-name=\"PM0\"/>"
                             "<style:master-page style:name=\"Endnote\" style:page-layout-name=\"PM1\"/>"
                             "</office:master-styles>"
                             "</office:document-styles>";

    QByteArray input = m_chain->inputFile().toLocal8Bit();
    QByteArray output = m_chain->outputFile().toLocal8Bit();
    const char *inputFile = input.data();
    const char *outputFile = output.data();

    OdtOutputFileHelper helper(outputFile, 0);

    if (!helper.writeChildFile("mimetype", mimetypeStr, (char)0)) {
        fprintf(stderr, "ERROR : Couldn't write mimetype\n");
        return KoFilter::ParsingError;
    }

    if (!helper.writeChildFile("META-INF/manifest.xml", manifestStr)) {
        fprintf(stderr, "ERROR : Couldn't write manifest\n");
        return KoFilter::ParsingError;
    }

    if (!helper.writeChildFile("styles.xml", stylesStr))
    {
        fprintf(stderr, "ERROR : Couldn't write document styles\n");
        return KoFilter::ParsingError;
    }

    if (!helper.writeConvertedContent("content.xml", inputFile, outputFile ? ODF_CONTENT_XML : ODF_FLAT_XML))
    {
            fprintf(stderr, "ERROR : Couldn't write document content\n");
            return KoFilter::ParsingError;
    }

    return KoFilter::OK;
}