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/*
* HT Editor
* httext.h
*
* Copyright (C) 1999-2002 Stefan Weyergraf
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __HTTEXT_H__
#define __HTTEXT_H__
#include "htformat.h"
#include "formats.h"
#define TEXT_DESC "text"
extern format_viewer_if httext_if;
/*
* CLASS ht_text_viewer
*/
class ht_text_viewer2: public ht_uformat_viewer {
public:
/* overwritten */
virtual void handlemsg(htmsg *msg);
};
/*
* CLASS ht_text_sub
*/
class ht_text_sub: public ht_linear_sub {
protected:
/* new */
uint find_linelen_backwd(byte *buf, uint maxbuflen, FileOfs ofs, int *le_len);
uint find_linelen_forwd(byte *buf, uint maxbuflen, FileOfs ofs, int *le_len);
virtual byte *match_lineend_forwd(byte *buf, uint buflen, int *le_len);
virtual byte *match_lineend_backwd(byte *buf, uint buflen, int *le_len);
public:
void init(File *file, FileOfs offset, int size);
virtual void done();
/* overwritten */
virtual bool convert_ofs_to_id(const FileOfs offset, LINE_ID *line_id);
virtual bool convert_id_to_ofs(const LINE_ID line_id, FileOfs *offset);
virtual void first_line_id(LINE_ID *line_id);
virtual bool getline(char *line, int maxlen, const LINE_ID line_id);
virtual void last_line_id(LINE_ID *line_id);
virtual int next_line_id(LINE_ID *line_id, int n);
virtual int prev_line_id(LINE_ID *line_id, int n);
};
#endif /* !__HTTEXT_H__ */
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