58 lines
2.0 KiB
C++
58 lines
2.0 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 _MH_NULL_H_INCLUDED_
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#define _MH_NULL_H_INCLUDED_
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#include <string>
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#include "cstr.h"
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#include "mimehandler.h"
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/// Null input handler always returning empty data.
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///
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/// It may make sense in some cases to set this null filter (no output)
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/// instead of using recoll_noindex or leaving the default filter in
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/// case one doesn't want to install it: this will avoid endless retries
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/// to reindex the affected files, as recoll will think it has succeeded
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/// indexing them. Downside: the files won't be indexed when one
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/// actually installs the real filter, will need a -z
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/// Actually used for empty files.
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/// Associated to application/x-zerosize, so use the following in mimeconf:
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/// <mimetype> = internal application/x-zerosize
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class MimeHandlerNull : public RecollFilter {
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public:
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MimeHandlerNull(RclConfig *cnf, const std::string& id)
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: RecollFilter(cnf, id) {
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}
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virtual ~MimeHandlerNull() {}
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virtual bool is_data_input_ok(DataInput) const {
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return true;
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}
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virtual bool next_document()
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{
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if (m_havedoc == false)
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return false;
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m_havedoc = false;
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m_metaData[cstr_dj_keycontent] = cstr_null;
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m_metaData[cstr_dj_keymt] = cstr_textplain;
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return true;
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}
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};
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#endif /* _MH_NULL_H_INCLUDED_ */
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