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208 lines
6.8 KiB
208 lines
6.8 KiB
/* ****************************************************************************
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This file is part of KBabel
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Copyright (C) 2002-2003 by Stanislav Visnovsky
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<visnovsky@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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In addition, as a special exception, the copyright holders give
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permission to link the code of this program with any edition of
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the TQt library by Trolltech AS, Norway (or with modified versions
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of TQt that use the same license as TQt), and distribute linked
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combinations including the two. You must obey the GNU General
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Public License in all respects for all of the code used other than
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TQt. If you modify this file, you may extend this exception to
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your version of the file, but you are not obligated to do so. If
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you do not wish to do so, delete this exception statement from
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your version.
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**************************************************************************** */
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#ifndef IMPORTPLUGIN_H
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#define IMPORTPLUGIN_H
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#include <tqobject.h>
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#include <kdemacros.h>
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class TQString;
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namespace KBabel
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{
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class Catalog;
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class CatalogItem;
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class CatalogImportPluginPrivate;
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class CatalogExportPluginPrivate;
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// ### KDE4: force OK=0
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/**
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* Result of the conversion
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*/
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enum ConversionStatus {
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OK,
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NOT_IMPLEMENTED,
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NO_FILE,
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NO_PERMISSIONS,
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PARSE_ERROR,
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RECOVERED_PARSE_ERROR,
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OS_ERROR,
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NO_PLUGIN,
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UNSUPPORTED_TYPE,
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HEADER_ERROR, ///< Old name for a recovered error in header @deprecated
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RECOVERED_HEADER_ERROR = HEADER_ERROR, ///< Header error that could be recovered @since 1.11.2 (KDE 3.5.2)
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STOPPED,
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BUSY,
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NO_ENTRY_ERROR ///< The loaded catalog has not any entry! @since 1.11.2 (KDE 3.5.2)
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};
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/**
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* This class is the base for import plugins for catalogs.
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* It provides "transactional behavior", so the changes are stored in
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* catalog only if the import process finishes successfully.
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*
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* To use it, just subclass and redefine load() and id() methods.
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* When importing, you can use the protected methods for setting
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* the catalog. New catalog items can be added using appendCatalogItem.
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*
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* @short Base class for Catalog import plugins
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* @author Stanislav Visnovsky <visnovsky@kde.org>
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*/
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class KDE_EXPORT CatalogImportPlugin: public TQObject
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{
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Q_OBJECT
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TQ_OBJECT
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public:
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CatalogImportPlugin(TQObject* parent, const char* name);
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virtual ~CatalogImportPlugin();
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/**
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* Load the file and fill the corresponding catalog. The file
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* is considered to be of @ref mimetype MIME type.
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*
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* @param file local file name to be opened
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* @param mimetype the MIME type is should be handled as
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* @param catalog the catalog to be filled
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* @return result of the operation
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*/
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ConversionStatus open(const TQString& file, const TQString& mimetype, Catalog* catalog);
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/**
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* Reimplement this method to load the local file passed as an argument.
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* Throughout the run, you can use the protected methods for setting
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* the contents of the resulting catalog.
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* This method must call \see setMimeTypes to setup correct MIME types
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* for the loaded file. Also, it should use \see isStopped to
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* abort loading and the signals for providing user feedback.
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* @param file file to be loaded
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* @param mimetype the expected MIME type (the type used for plugin selection
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*/
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virtual ConversionStatus load(const TQString& file, const TQString& mimetype) = 0;
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/**
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* Reimplement this method to return unique identification of your plugin
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*/
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virtual const TQString id() = 0;
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/** @return the list of all available MIME types for which there
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* is a import plugin.
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*/
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static TQStringList availableImportMimeTypes();
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public slots:
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/** stop the current operation */
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void stop();
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protected:
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/** Append a new catalog item, either as normal or as an obsolete one
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* @param item the new item
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* @param obsolete flag that the item is obsolete
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*/
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void appendCatalogItem( const CatalogItem& item, const bool obsolete = false );
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/** set flag that the file is generated from DocBook */
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void setGeneratedFromDocbook(const bool fromDocbook);
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/** set the list of parse error indexes */
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void setErrorIndex(const TQValueList<uint>& errors);
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/** set the file codec */
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void setFileCodec(TQTextCodec* codec);
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/** set extra data for the catalog, which can't be stored in
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* @ref CatalogItem. The format can be arbitrary */
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void setCatalogExtraData( const TQStringList& data );
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/** set the header catalog item */
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void setHeader( const CatalogItem& header );
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/** set the MIME types which can be used for this catalog */
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void setMimeTypes( const TQString& catalog );
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/** start a new transaction. You should never call this method. */
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void startTransaction();
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/** commit the data in the current transaction. You should never call this method. */
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void commitTransaction();
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/** Flag, whether the operation should be stopped immediately.*/
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bool isStopped() const;
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signals:
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/** Signal start of the operation */
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void signalResetProgressBar(TQString,int);
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/** Signal progress of the operation */
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void signalProgress(int);
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/** Signal end of the operation */
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void signalClearProgressBar();
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private:
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CatalogImportPluginPrivate* d;
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};
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/**
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* This class is the base for export plugins for catalogs.
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*
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* To use it, just subclass and redefine the save() method.
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*
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* @short Base class for Catalog export plugins
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* @author Stanislav Visnovsky <visnovsky@kde.org>
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*/
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class KDE_EXPORT CatalogExportPlugin: public TQObject
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{
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Q_OBJECT
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TQ_OBJECT
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public:
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CatalogExportPlugin(TQObject* parent, const char* name);
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virtual ~CatalogExportPlugin();
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virtual ConversionStatus save(const TQString& file, const TQString& mimetype, const Catalog* catalog) = 0;
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static TQStringList availableExportMimeTypes();
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public slots:
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void stop();
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protected:
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bool isStopped() const;
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signals:
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void signalResetProgressBar(TQString,int);
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void signalProgress(int);
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void signalClearProgressBar();
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private:
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CatalogExportPluginPrivate* d;
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};
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}
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#endif
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