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
40static const xf86ConfigSymTabRec DRITab[] = {
41    {ENDSECTION, "endsection"},
42    {GROUP, "group"},
43    {MODE, "mode"},
44    {-1, ""},
45};
46
47#define CLEANUP xf86freeDRI
48
49XF86ConfDRIPtr
50xf86parseDRISection(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            free(xf86_lex_val.str);
81            xf86_lex_val.str = NULL;
82            break;
83        default:
84            Error(INVALID_KEYWORD_MSG, xf86tokenString());
85            break;
86        }
87    }
88
89#ifdef DEBUG
90    ErrorF("DRI section parsed\n");
91#endif
92
93    return ptr;
94}
95
96#undef CLEANUP
97
98void
99xf86printDRISection(FILE * cf, XF86ConfDRIPtr ptr)
100{
101    if (ptr == NULL)
102        return;
103
104    fprintf(cf, "Section \"DRI\"\n");
105    if (ptr->dri_comment)
106        fprintf(cf, "%s", ptr->dri_comment);
107    if (ptr->dri_group_name)
108        fprintf(cf, "\tGroup        \"%s\"\n", ptr->dri_group_name);
109    else if (ptr->dri_group >= 0)
110        fprintf(cf, "\tGroup        %d\n", ptr->dri_group);
111    if (ptr->dri_mode)
112        fprintf(cf, "\tMode         0%o\n", ptr->dri_mode);
113    fprintf(cf, "EndSection\n\n");
114}
115
116void
117xf86freeDRI(XF86ConfDRIPtr ptr)
118{
119    if (ptr == NULL)
120        return;
121
122    TestFree(ptr->dri_comment);
123    free(ptr);
124}
125