51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
/* Copyright (C) 2004 J.F.Dockes
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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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*
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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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*
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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
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _FILTSEQ_H_INCLUDED_
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#define _FILTSEQ_H_INCLUDED_
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#include "autoconfig.h"
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#include <vector>
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#include <string>
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#include <memory>
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#include "docseq.h"
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class RclConfig;
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/**
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* A filtered sequence is created from another one by selecting entries
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* according to the given criteria.
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* Note that this class can only filter on mime type (or rclcatg) at the moment,
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* and is only used for history. Normal query filtering is performed by adding a
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* clause to the Xapian query.
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*/
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class DocSeqFiltered : public DocSeqModifier {
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public:
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DocSeqFiltered(RclConfig *conf, std::shared_ptr<DocSequence> iseq, DocSeqFiltSpec &filtspec);
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virtual ~DocSeqFiltered() {}
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virtual bool canFilter() {return true;}
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virtual bool setFiltSpec(const DocSeqFiltSpec &filtspec);
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virtual bool getDoc(int num, Rcl::Doc &doc, std::string *sh = 0);
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virtual int getResCnt() {return m_seq->getResCnt();}
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private:
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RclConfig *m_config;
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DocSeqFiltSpec m_spec;
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std::vector<int> m_dbindices;
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};
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#endif /* _FILTSEQ_H_INCLUDED_ */
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