70 lines
2.8 KiB
C
70 lines
2.8 KiB
C
/* $NetBSD: search.h,v 1.1.1.3 2003/01/17 14:54:32 wiz Exp $ */
|
|
|
|
/* search.h -- Structure used to search large bodies of text, with bounds.
|
|
Id: search.h,v 1.1 2002/08/25 23:38:38 karl Exp
|
|
|
|
Copyright (C) 1993, 1997, 1998, 2002 Free Software Foundation, Inc.
|
|
|
|
This program 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.
|
|
|
|
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
Written by Brian Fox (bfox@ai.mit.edu). */
|
|
|
|
/* The search functions take two arguments:
|
|
|
|
1) a string to search for, and
|
|
|
|
2) a pointer to a SEARCH_BINDING which contains the buffer, start,
|
|
and end of the search.
|
|
|
|
They return a long, which is the offset from the start of the buffer
|
|
at which the match was found. An offset of -1 indicates failure. */
|
|
|
|
#ifndef INFO_SEARCH_H
|
|
#define INFO_SEARCH_H
|
|
|
|
typedef struct {
|
|
char *buffer; /* The buffer of text to search. */
|
|
long start; /* Offset of the start of the search. */
|
|
long end; /* Offset of the end of the searh. */
|
|
int flags; /* Flags controlling the type of search. */
|
|
} SEARCH_BINDING;
|
|
|
|
#define S_FoldCase 0x01 /* Set means fold case in searches. */
|
|
#define S_SkipDest 0x02 /* Set means return pointing after the dest. */
|
|
|
|
SEARCH_BINDING *make_binding (), *copy_binding ();
|
|
extern long search_forward (), search_backward (), search ();
|
|
extern int looking_at ();
|
|
|
|
/* Note that STRING_IN_LINE () always returns the offset of the 1st character
|
|
after the string. */
|
|
extern int string_in_line ();
|
|
|
|
/* Function names that start with "skip" are passed a string, and return
|
|
an offset from the start of that string. Function names that start
|
|
with "find" are passed a SEARCH_BINDING, and return an absolute position
|
|
marker of the item being searched for. "Find" functions return a value
|
|
of -1 if the item being looked for couldn't be found. */
|
|
extern int skip_whitespace (), skip_non_whitespace ();
|
|
extern int skip_whitespace_and_newlines (), skip_line ();
|
|
extern int skip_node_characters (), skip_node_separator ();
|
|
#define DONT_SKIP_NEWLINES 0
|
|
#define SKIP_NEWLINES 1
|
|
|
|
extern long find_node_separator (), find_tags_table ();
|
|
extern long find_node_in_binding ();
|
|
|
|
#endif /* not INFO_SEARCH_H */
|