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111 lines
3.7 KiB
111 lines
3.7 KiB
/* This file is part of the KDE project
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Copyright (C) 1999 Werner Trobin <trobin@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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// This class is the base class for all the filters (excel97, powerpoint97,
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// winword97)
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// If you want to write a filter you'll have to derive your class from
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// this one.
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#ifndef FILTERBASE_H
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#define FILTERBASE_H
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#include <tqobject.h>
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#include <tqdom.h>
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#include <tqstringlist.h>
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class myFile;
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class TQCString;
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// Attention: The nameOUT Strings are allocated with new[] in the
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// slots. Therefore you have to delete [] them!
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// If you call slotGetStream you have to delete [] the
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// stream.data prt after use!
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class FilterBase : public TQObject {
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TQ_OBJECT
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public:
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// Default constructor used by subclasses.
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FilterBase();
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// This filter only ever gets used in error cases, when we could not find a
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// real filter. So, pass in the names of the OLE streams making up the item
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// item that could not be converted.
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FilterBase(TQStringList &oleStreams);
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virtual ~FilterBase() {}
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// Manages the filtering process
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virtual bool filter();
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// override this to return true if you want to return a plain TQCString
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virtual bool plainString() const { return false; }
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// okay -- let's get the TQDomDocument
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virtual const TQDomDocument *const part() { return &m_part; }
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// or get the plain TQCString ;)
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virtual TQCString CString() const { return TQCString(); }
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signals:
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// See olefilter.h for information
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void signalSaveDocumentInformation(
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const TQString &fullName,
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const TQString &title,
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const TQString &company,
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const TQString &email,
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const TQString &telephone,
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const TQString &fax,
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const TQString &postalCode,
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const TQString &country,
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const TQString &city,
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const TQString &street,
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const TQString &docTitle,
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const TQString &docAbstract);
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void signalSavePic(
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const TQString &nameIN,
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TQString &storageId,
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const TQString &extension,
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unsigned int length,
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const char *data);
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void signalSavePart(
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const TQString &nameIN,
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TQString &storageId,
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TQString &mimeType,
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const TQString &extension,
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unsigned int length,
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const char *data);
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void signalPart(const TQString& nameIN, TQString &storageId, TQString &mimeType);
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void signalGetStream(const int &handle, myFile &stream);
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// Note: might return wrong stream as names are NOT unique!!!
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// (searching only in current dir)
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void signalGetStream(const TQString &name, myFile &stream);
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void sigProgress(int value);
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protected:
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bool m_success; // ok, the filtering process was successful
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bool m_ready; // filtering took place, you may fetch the file now
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TQDomDocument m_part; // this represents the part (document)
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private:
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// Don't copy or assign me...
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FilterBase(const FilterBase &);
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const FilterBase &operator=(const FilterBase &);
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TQStringList m_oleStreams;
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};
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#endif // FILTERBASE_H
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