Extensions.c revision 05b261ec 
1/*
2 * Copyright 2004 Red Hat Inc., Raleigh, North Carolina.
3 *
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation on the rights to use, copy, modify, merge,
10 * publish, distribute, sublicense, and/or sell copies of the Software,
11 * and to permit persons to whom the Software is furnished to do so,
12 * subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial
16 * portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
22 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
23 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 * SOFTWARE.
26 */
27
28/*
29 * Authors:
30 *   Kevin E. Martin <kem@redhat.com>
31 *
32 */
33
34#ifdef HAVE_XORG_CONFIG_H
35#include <xorg-config.h>
36#endif
37
38#include "xf86Parser.h"
39#include "xf86tokens.h"
40#include "Configint.h"
41
42extern LexRec val;
43
44static xf86ConfigSymTabRec ExtensionsTab[] =
45{
46    {ENDSECTION, "endsection"},
47    {OPTION,     "option"},
48    {-1,         ""},
49};
50
51#define CLEANUP xf86freeExtensions
52
53XF86ConfExtensionsPtr
54xf86parseExtensionsSection (void)
55{
56    int token;
57    parsePrologue (XF86ConfExtensionsPtr, XF86ConfExtensionsRec);
58
59    while ((token = xf86getToken (ExtensionsTab)) != ENDSECTION) {
60	switch (token) {
61	    case OPTION:
62		ptr->ext_option_lst = xf86parseOption(ptr->ext_option_lst);
63		break;
64	    case EOF_TOKEN:
65		Error (UNEXPECTED_EOF_MSG, NULL);
66		break;
67	    case COMMENT:
68		ptr->extensions_comment =
69		    xf86addComment(ptr->extensions_comment, val.str);
70		break;
71	    default:
72		Error (INVALID_KEYWORD_MSG, xf86tokenString ());
73		break;
74	}
75    }
76
77#ifdef DEBUG
78    ErrorF("Extensions section parsed\n");
79#endif
80
81    return ptr;
82}
83
84#undef CLEANUP
85
86void
87xf86printExtensionsSection (FILE * cf, XF86ConfExtensionsPtr ptr)
88{
89    XF86OptionPtr p;
90
91    if (ptr == NULL || ptr->ext_option_lst == NULL)
92	return;
93
94    p = ptr->ext_option_lst;
95    fprintf (cf, "Section \"Extensions\"\n");
96    if (ptr->extensions_comment)
97	fprintf (cf, "%s", ptr->extensions_comment);
98    xf86printOptionList(cf, p, 1);
99    fprintf (cf, "EndSection\n\n");
100}
101
102void
103xf86freeExtensions (XF86ConfExtensionsPtr ptr)
104{
105    if (ptr == NULL)
106	return;
107
108    xf86optionListFree (ptr->ext_option_lst);
109    TestFree (ptr->extensions_comment);
110    xf86conffree (ptr);
111}
112