xref: /OK3568_Linux_fs/external/xserver/hw/xfree86/parser/Extensions.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2004 Red Hat Inc., Raleigh, North Carolina.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * All Rights Reserved.
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Permission is hereby granted, free of charge, to any person obtaining
7*4882a593Smuzhiyun  * a copy of this software and associated documentation files (the
8*4882a593Smuzhiyun  * "Software"), to deal in the Software without restriction, including
9*4882a593Smuzhiyun  * without limitation on the rights to use, copy, modify, merge,
10*4882a593Smuzhiyun  * publish, distribute, sublicense, and/or sell copies of the Software,
11*4882a593Smuzhiyun  * and to permit persons to whom the Software is furnished to do so,
12*4882a593Smuzhiyun  * subject to the following conditions:
13*4882a593Smuzhiyun  *
14*4882a593Smuzhiyun  * The above copyright notice and this permission notice (including the
15*4882a593Smuzhiyun  * next paragraph) shall be included in all copies or substantial
16*4882a593Smuzhiyun  * portions of the Software.
17*4882a593Smuzhiyun  *
18*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19*4882a593Smuzhiyun  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20*4882a593Smuzhiyun  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21*4882a593Smuzhiyun  * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
22*4882a593Smuzhiyun  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
23*4882a593Smuzhiyun  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24*4882a593Smuzhiyun  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25*4882a593Smuzhiyun  * SOFTWARE.
26*4882a593Smuzhiyun  */
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun /*
29*4882a593Smuzhiyun  * Authors:
30*4882a593Smuzhiyun  *   Kevin E. Martin <kem@redhat.com>
31*4882a593Smuzhiyun  *
32*4882a593Smuzhiyun  */
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #ifdef HAVE_XORG_CONFIG_H
35*4882a593Smuzhiyun #include <xorg-config.h>
36*4882a593Smuzhiyun #endif
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #include "os.h"
39*4882a593Smuzhiyun #include "xf86Parser.h"
40*4882a593Smuzhiyun #include "xf86tokens.h"
41*4882a593Smuzhiyun #include "Configint.h"
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun static const xf86ConfigSymTabRec ExtensionsTab[] = {
45*4882a593Smuzhiyun     {ENDSECTION, "endsection"},
46*4882a593Smuzhiyun     {OPTION, "option"},
47*4882a593Smuzhiyun     {-1, ""},
48*4882a593Smuzhiyun };
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun #define CLEANUP xf86freeExtensions
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun XF86ConfExtensionsPtr
xf86parseExtensionsSection(void)53*4882a593Smuzhiyun xf86parseExtensionsSection(void)
54*4882a593Smuzhiyun {
55*4882a593Smuzhiyun     int token;
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun     parsePrologue(XF86ConfExtensionsPtr, XF86ConfExtensionsRec);
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun     while ((token = xf86getToken(ExtensionsTab)) != ENDSECTION) {
60*4882a593Smuzhiyun         switch (token) {
61*4882a593Smuzhiyun         case OPTION:
62*4882a593Smuzhiyun             ptr->ext_option_lst = xf86parseOption(ptr->ext_option_lst);
63*4882a593Smuzhiyun             break;
64*4882a593Smuzhiyun         case EOF_TOKEN:
65*4882a593Smuzhiyun             Error(UNEXPECTED_EOF_MSG);
66*4882a593Smuzhiyun             break;
67*4882a593Smuzhiyun         case COMMENT:
68*4882a593Smuzhiyun             ptr->extensions_comment =
69*4882a593Smuzhiyun                 xf86addComment(ptr->extensions_comment, xf86_lex_val.str);
70*4882a593Smuzhiyun             break;
71*4882a593Smuzhiyun         default:
72*4882a593Smuzhiyun             Error(INVALID_KEYWORD_MSG, xf86tokenString());
73*4882a593Smuzhiyun             break;
74*4882a593Smuzhiyun         }
75*4882a593Smuzhiyun     }
76*4882a593Smuzhiyun 
77*4882a593Smuzhiyun #ifdef DEBUG
78*4882a593Smuzhiyun     ErrorF("Extensions section parsed\n");
79*4882a593Smuzhiyun #endif
80*4882a593Smuzhiyun 
81*4882a593Smuzhiyun     return ptr;
82*4882a593Smuzhiyun }
83*4882a593Smuzhiyun 
84*4882a593Smuzhiyun #undef CLEANUP
85*4882a593Smuzhiyun 
86*4882a593Smuzhiyun void
xf86printExtensionsSection(FILE * cf,XF86ConfExtensionsPtr ptr)87*4882a593Smuzhiyun xf86printExtensionsSection(FILE * cf, XF86ConfExtensionsPtr ptr)
88*4882a593Smuzhiyun {
89*4882a593Smuzhiyun     XF86OptionPtr p;
90*4882a593Smuzhiyun 
91*4882a593Smuzhiyun     if (ptr == NULL || ptr->ext_option_lst == NULL)
92*4882a593Smuzhiyun         return;
93*4882a593Smuzhiyun 
94*4882a593Smuzhiyun     p = ptr->ext_option_lst;
95*4882a593Smuzhiyun     fprintf(cf, "Section \"Extensions\"\n");
96*4882a593Smuzhiyun     if (ptr->extensions_comment)
97*4882a593Smuzhiyun         fprintf(cf, "%s", ptr->extensions_comment);
98*4882a593Smuzhiyun     xf86printOptionList(cf, p, 1);
99*4882a593Smuzhiyun     fprintf(cf, "EndSection\n\n");
100*4882a593Smuzhiyun }
101*4882a593Smuzhiyun 
102*4882a593Smuzhiyun void
xf86freeExtensions(XF86ConfExtensionsPtr ptr)103*4882a593Smuzhiyun xf86freeExtensions(XF86ConfExtensionsPtr ptr)
104*4882a593Smuzhiyun {
105*4882a593Smuzhiyun     if (ptr == NULL)
106*4882a593Smuzhiyun         return;
107*4882a593Smuzhiyun 
108*4882a593Smuzhiyun     xf86optionListFree(ptr->ext_option_lst);
109*4882a593Smuzhiyun     TestFree(ptr->extensions_comment);
110*4882a593Smuzhiyun     free(ptr);
111*4882a593Smuzhiyun }
112