1 /* DRI.c -- DRI Section in XF86Config file
2 * Created: Fri Mar 19 08:40:22 1999 by faith@precisioninsight.com
3 * Revised: Thu Jun 17 16:08:05 1999 by faith@precisioninsight.com
4 *
5 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
6 * All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the next
16 * paragraph) shall be included in all copies or substantial portions of the
17 * Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 * DEALINGS IN THE SOFTWARE.
26 *
27 *
28 */
29
30 #ifdef HAVE_XORG_CONFIG_H
31 #include <xorg-config.h>
32 #endif
33
34 #include "os.h"
35 #include "xf86Parser.h"
36 #include "xf86tokens.h"
37 #include "Configint.h"
38
39
40 static const xf86ConfigSymTabRec DRITab[] = {
41 {ENDSECTION, "endsection"},
42 {GROUP, "group"},
43 {MODE, "mode"},
44 {-1, ""},
45 };
46
47 #define CLEANUP xf86freeDRI
48
49 XF86ConfDRIPtr
xf86parseDRISection(void)50 xf86parseDRISection(void)
51 {
52 int token;
53
54 parsePrologue(XF86ConfDRIPtr, XF86ConfDRIRec);
55
56 /* Zero is a valid value for this. */
57 ptr->dri_group = -1;
58 while ((token = xf86getToken(DRITab)) != ENDSECTION) {
59 switch (token) {
60 case GROUP:
61 if ((token = xf86getSubToken(&(ptr->dri_comment))) == STRING)
62 ptr->dri_group_name = xf86_lex_val.str;
63 else if (token == NUMBER)
64 ptr->dri_group = xf86_lex_val.num;
65 else
66 Error(GROUP_MSG);
67 break;
68 case MODE:
69 if (xf86getSubToken(&(ptr->dri_comment)) != NUMBER)
70 Error(NUMBER_MSG, "Mode");
71 if (xf86_lex_val.numType != PARSE_OCTAL)
72 Error(MUST_BE_OCTAL_MSG, xf86_lex_val.num);
73 ptr->dri_mode = xf86_lex_val.num;
74 break;
75 case EOF_TOKEN:
76 Error(UNEXPECTED_EOF_MSG);
77 break;
78 case COMMENT:
79 ptr->dri_comment = xf86addComment(ptr->dri_comment, xf86_lex_val.str);
80 break;
81 default:
82 Error(INVALID_KEYWORD_MSG, xf86tokenString());
83 break;
84 }
85 }
86
87 #ifdef DEBUG
88 ErrorF("DRI section parsed\n");
89 #endif
90
91 return ptr;
92 }
93
94 #undef CLEANUP
95
96 void
xf86printDRISection(FILE * cf,XF86ConfDRIPtr ptr)97 xf86printDRISection(FILE * cf, XF86ConfDRIPtr ptr)
98 {
99 if (ptr == NULL)
100 return;
101
102 fprintf(cf, "Section \"DRI\"\n");
103 if (ptr->dri_comment)
104 fprintf(cf, "%s", ptr->dri_comment);
105 if (ptr->dri_group_name)
106 fprintf(cf, "\tGroup \"%s\"\n", ptr->dri_group_name);
107 else if (ptr->dri_group >= 0)
108 fprintf(cf, "\tGroup %d\n", ptr->dri_group);
109 if (ptr->dri_mode)
110 fprintf(cf, "\tMode 0%o\n", ptr->dri_mode);
111 fprintf(cf, "EndSection\n\n");
112 }
113
114 void
xf86freeDRI(XF86ConfDRIPtr ptr)115 xf86freeDRI(XF86ConfDRIPtr ptr)
116 {
117 if (ptr == NULL)
118 return;
119
120 TestFree(ptr->dri_comment);
121 free(ptr);
122 }
123