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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2017 Gary Mills
23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /*
28 * This file contains an extremely rudimentary implementation of PPD file
29 * parsing support. The parsing done here converts the contents of a PPD
30 * file into a set of PAPI attributes that applications can use to build
31 * print panels.
32 */
33
34 #include <stdio.h>
35 #include <ctype.h>
36 #include <string.h>
37 #include <papi.h>
38
39 static void
40 process_line(char *line, char **key, char **value, char **comment)
41 {
42 char *ptr, *ptr2;
43
44 *key = &line[1];
45 *value = NULL;
46 *comment = NULL;
47
48 if ((ptr = strchr(line, ':')) == NULL)
49 return;
50
51 /*
52 * line is in the form:
53 * *key: value/comment
54 * or
55 * *key value/comment: data
56 */
57 *ptr++ = NULL;
58 while (isspace(*ptr) != 0)
59 ptr++;
60
61 if ((ptr2 = strchr(line, ' ')) != NULL) {
62 ptr = ptr2;
63 /*
64 * line is in the form:
65 * *key value/comment: data
66 */
67 *ptr++ = NULL;
68 while (*ptr == ' ')
69 ptr++;
70 }
71
72 if (*ptr == '*')
73 ptr++;
74
75 *value = ptr;
76
77 if ((ptr = strchr(ptr, '/')) != NULL) {
78 *ptr++ = NULL;
79 *comment = ptr;
80 }
81 }
82
83 papi_status_t
84 PPDFileToAttributesList(papi_attribute_t ***attributes, char *filename)
85 {
86 papi_status_t status = PAPI_OK;
87 FILE *fp;
88 char line[256];
89 char capability[256];
90 char def[256];
91 char supported[256];
92
93 int ui = 0;
94
95 if ((fp = fopen(filename, "r")) == NULL)
96 return (PAPI_NOT_POSSIBLE);
97
98 while ((status == PAPI_OK) &&
99 (fgets(line, sizeof (line), fp) != NULL)) {
100 char *key = NULL, *value = NULL, *text = NULL;
101
102 /* we want *key...: "value" */
103 if (line[0] != '*')
104 continue;
105
106 if (strchr(line, ':') == NULL)
107 continue;
108
109 if ((text = strrchr(line, '\n')) != NULL)
110 *text = NULL;
111
112 process_line(line, &key, &value, &text);
113
114 if ((strcasecmp(key, "PageSize") == 0) ||
115 (strcasecmp(key, "InputSlot") == 0))
116 key = "media";
117
118 if (strcasecmp(key, "OpenGroup") == 0) {
119 if (value == NULL)
120 value = "unknown";
121 } else if (strcasecmp(key, "OpenUI") == 0) {
122 if ((strcasecmp(value, "PageSize") == 0) ||
123 (strcasecmp(value, "InputSlot") == 0))
124 value = "media";
125 snprintf(capability, sizeof (capability), "%s", value);
126 snprintf(def, sizeof (def),
127 "%s-default", value);
128 snprintf(supported, sizeof (supported),
129 "%s-supported", value);
130 ui = 1;
131 } else if (strcasecmp(key, "CloseGroup") == 0) {
132 /* do nothing */
133 } else if (strcasecmp(key, "CloseUI") == 0) {
134 ui = 0;
135 /* do nothing */
136 } else if (strcasecmp(key, "Manufacturer") == 0) {
137 status = papiAttributeListAddString(attributes,
138 PAPI_ATTR_EXCL,
139 "printer-make", value);
140 } else if (strcasecmp(key, "ModelName") == 0) {
141 status = papiAttributeListAddString(attributes,
142 PAPI_ATTR_EXCL,
143 "printer-model", value);
144 } else if (strcasecmp(key, "ShortNickName") == 0) {
145 status = papiAttributeListAddString(attributes,
146 PAPI_ATTR_EXCL,
147 "printer-make-and-model", value);
148 } else if ((strncasecmp(key, "Default", 7) == 0) && ui) {
149 status = papiAttributeListAddString(attributes,
150 PAPI_ATTR_EXCL,
151 def, value);
152 } else if ((strcasecmp(key, capability) == 0) && ui) {
153 status = papiAttributeListAddString(attributes,
154 PAPI_ATTR_APPEND,
155 supported, value);
156 }
157 }
158 fclose(fp);
159
160 return (status);
161 }