diff options
Diffstat (limited to 'gnu/usr.bin/groff/include/search.h')
-rw-r--r-- | gnu/usr.bin/groff/include/search.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/gnu/usr.bin/groff/include/search.h b/gnu/usr.bin/groff/include/search.h new file mode 100644 index 0000000..e1fdb84 --- /dev/null +++ b/gnu/usr.bin/groff/include/search.h @@ -0,0 +1,96 @@ +// -*- C++ -*- +/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. + Written by James Clark (jjc@jclark.com) + +This file is part of groff. + +groff is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +groff 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 groff; see the file COPYING. If not, write to the Free Software +Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +struct search_item; +struct search_item_iterator; + +class search_list { +public: + search_list(); + ~search_list(); + void add_file(const char *fn, int silent = 0); + int nfiles() const; +private: + search_item *list; + int niterators; + int next_fid; + friend class search_list_iterator; +}; + +struct bmpattern; + +class linear_searcher { + const char *ignore_fields; + int truncate_len; + bmpattern **keys; + int nkeys; + const char *search_and_check(const bmpattern *key, const char *buf, + const char *bufend, const char **start = 0) + const; + int check_match(const char *buf, const char *bufend, const char *match, + int matchlen, const char **cont, const char **start) + const; +public: + linear_searcher(const char *query, int query_len, + const char *ign, int trunc); + ~linear_searcher(); + int search(const char *buf, const char *bufend, + const char **startp, int *lengthp) const; +}; + +class search_list_iterator { + search_list *list; + search_item *ptr; + search_item_iterator *iter; + char *query; + linear_searcher searcher; +public: + search_list_iterator(search_list *, const char *query); + ~search_list_iterator(); + int next(const char **, int *, reference_id * = 0); +}; + +class search_item { +protected: + char *name; + int filename_id; +public: + search_item *next; + search_item(const char *nm, int fid); + virtual search_item_iterator *make_search_item_iterator(const char *) = 0; + virtual ~search_item(); + int is_named(const char *) const; + virtual int next_filename_id() const; +}; + +class search_item_iterator { + char shut_g_plus_plus_up; +public: + virtual ~search_item_iterator(); + virtual int next(const linear_searcher &, const char **ptr, int *lenp, + reference_id *) = 0; +}; + +search_item *make_index_search_item(const char *filename, int fid); +search_item *make_linear_search_item(int fd, const char *filename, int fid); + +extern int linear_truncate_len; +extern const char *linear_ignore_fields; +extern int verify_flag; |