/* $NetBSD: txtwalk.h,v 1.2 2019/08/07 10:08:04 martin Exp $ */
/*
* Copyright 1997 Piermont Information Systems Inc.
* All rights reserved.
*
* Written by Philip A. Nelson for Piermont Information Systems Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of Piermont Information Systems Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/* txtwalk.h - definitions for textwalk to be useful! */
/* data extractions */
enum kind {INT, STR};
struct data {
enum kind what;
union udata {
int i_val;
char *s_val;
} u;
};
/* Strings of interest! */
struct lookfor {
const char *head; /* Line starts this way. */
const char *fmt; /* Expected format. */
const char *todo; /* What to do ... */
void *var; /* Possible var or additional args */
size_t nument; /* Number of entries in the "array" */
size_t size; /* size of string variables */
int (*func) (struct data *list, size_t num, const struct lookfor*);
/* function to call */
};
/* Format string for the expected string:
* space => skip white space
* %ic => skip until you find char c, if c == space, matches any white space
* %d => expect an integer
* %s => expect a non-white space string
* \0 => ignore remainder of line
* %% => match a %
*
*/
/* What to do ....
*
* a -- assign to var, $n is data from the expect strings.
* c -- call the function
*
*/
/* prototypes */
int walk(char *, size_t, const struct lookfor *, size_t);
/* Maximum number of matched data elements per line! */
#define MAXDATA 20
