1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28/*	  All Rights Reserved  	*/
29
30
31#pragma ident	"%Z%%M%	%I%	%E% SMI"
32
33/*
34 *
35 * Things used to handle special requests (eg. manual feed) globally or on a per
36 * page basis. Requests are passed through to the translator using the -R option.
37 * The argument to -R can be "request", "request:page", or "request:page:file".
38 * If page is omitted (as in the first form) or set to 0 request will be applied
39 * to the global environment. In all other cases it applies only to the selected
40 * page. If a file is given, page must be supplied, and the lookup is in that file
41 * rather than *requestfile.
42 *
43 */
44
45
46#include <stdio.h>
47
48#include "gen.h"			/* general purpose definitions */
49#include "request.h"			/* a few special definitions */
50#include "path.h"			/* for the default request file */
51
52
53Request	request[MAXREQUEST];		/* next page or global request */
54int	nextreq = 0;			/* goes in request[nextreq] */
55char	*requestfile = REQUESTFILE;	/* default lookup file */
56
57void dumprequest(char *, char *, FILE *);
58
59/*****************************************************************************/
60
61
62void
63saverequest(char *want)
64	/* grab code for this stuff */
65{
66    char	*page;			/* and save it for this page */
67    char	*strtok();
68
69/*
70 *
71 * Save the request until we get to appropriate page - don't even bother with
72 * the lookup right now. Format of *want string is "request", "request:page", or
73 * "request:page:file", and we assume we can change the string here as needed.
74 * If page is omitted or given as 0 the request will be done globally. If *want
75 * includes a file, request and page must also be given, and in that case *file
76 * will be used for the lookup.
77 *
78 */
79
80
81    if ( nextreq < MAXREQUEST )  {
82	request[nextreq].want = strtok(want, ": ");
83	if ( (page = strtok(NULL, ": ")) == NULL )
84	    request[nextreq].page = 0;
85	else request[nextreq].page = atoi(page);
86	if ( (request[nextreq].file = strtok(NULL, ": ")) == NULL )
87	    request[nextreq].file = requestfile;
88	nextreq++;
89    } else error(NON_FATAL, "too many requests - ignoring %s", want);
90
91}   /* End of saverequest */
92
93
94/*****************************************************************************/
95
96
97void
98writerequest(int page, FILE *fp_out)
99	/* page - write everything for this page */
100	/* fp_out - to this file */
101{
102    int		i;			/* loop index */
103
104/*
105 *
106 * Writes out all the requests that have been saved for page. Page 0 refers to
107 * the global environment and is done during initial setup.
108 *
109 */
110
111
112    for ( i = 0; i < nextreq; i++ )
113	if ( request[i].page == page )
114	    dumprequest(request[i].want, request[i].file, fp_out);
115
116}   /* End of writerequest */
117
118
119/*****************************************************************************/
120
121
122void
123dumprequest(char *want, char *file, FILE *fp_out)
124	/* want - look for this string */
125	/* file - in this file */
126	/* fp_out - and write the value out here */
127{
128    char	buf[100];		/* line buffer for reading *file */
129    FILE	*fp_in;
130
131/*
132 *
133 * Looks for *want in the request file and if it's found the associated value
134 * is copied to the output file. Keywords (ie. the *want strings) begin an @ in
135 * the first column of file, while the values (ie. the stuff that's copied to
136 * the output file) starts on the next line and extends to the next keyword or
137 * to the end of file.
138 *
139 */
140
141
142    if ( (fp_in = fopen(file, "r")) != NULL )  {
143	while ( fgets(buf, sizeof(buf), fp_in) != NULL )
144	    if ( buf[0] == '@' && strncmp(want, &buf[1], strlen(want)) == 0 )
145		while ( fgets(buf, sizeof(buf), fp_in) != NULL )
146		    if ( buf[0] == '#' || buf[0] == '%' )
147			continue;
148		    else if ( buf[0] != '@' )
149			fprintf(fp_out, "%s", buf);
150		    else break;
151	fclose(fp_in);
152    }	/* End if */
153
154}   /* End of dumprequest */
155
156
157/*****************************************************************************/
158
159