97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
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// -*- C++ -*-
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/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
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Written by James Clark (jjc@jclark.com)
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This file is part of groff.
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groff is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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groff is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with groff; see the file COPYING. If not, write to the Free Software
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Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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struct search_item;
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struct search_item_iterator;
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class search_list {
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public:
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search_list();
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~search_list();
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void add_file(const char *fn, int silent = 0);
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int nfiles() const;
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private:
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search_item *list;
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int niterators;
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int next_fid;
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friend class search_list_iterator;
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};
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struct bmpattern;
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class linear_searcher {
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const char *ignore_fields;
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int truncate_len;
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bmpattern **keys;
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int nkeys;
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const char *search_and_check(const bmpattern *key, const char *buf,
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const char *bufend, const char **start = 0)
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const;
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int check_match(const char *buf, const char *bufend, const char *match,
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int matchlen, const char **cont, const char **start)
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const;
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public:
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linear_searcher(const char *query, int query_len,
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const char *ign, int trunc);
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~linear_searcher();
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int search(const char *buf, const char *bufend,
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const char **startp, int *lengthp) const;
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};
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class search_list_iterator {
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search_list *list;
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search_item *ptr;
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search_item_iterator *iter;
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char *query;
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linear_searcher searcher;
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public:
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search_list_iterator(search_list *, const char *query);
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~search_list_iterator();
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int next(const char **, int *, reference_id * = 0);
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};
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class search_item {
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protected:
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char *name;
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int filename_id;
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public:
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search_item *next;
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search_item(const char *nm, int fid);
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virtual search_item_iterator *make_search_item_iterator(const char *) = 0;
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virtual ~search_item();
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int is_named(const char *) const;
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virtual int next_filename_id() const;
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};
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class search_item_iterator {
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char shut_g_plus_plus_up;
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public:
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virtual ~search_item_iterator();
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virtual int next(const linear_searcher &, const char **ptr, int *lenp,
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reference_id *) = 0;
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};
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search_item *make_index_search_item(const char *filename, int fid);
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search_item *make_linear_search_item(int fd, const char *filename, int fid);
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extern int linear_truncate_len;
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extern const char *linear_ignore_fields;
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extern int verify_flag;
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