OutputClass.c revision 35c4bbdf 
1/*
2 * Copyright (c) 2014 NVIDIA Corporation. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use,
8 * copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following
11 * conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
18 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
20 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26#ifdef HAVE_XORG_CONFIG_H
27#include <xorg-config.h>
28#endif
29
30#include "os.h"
31#include "xf86Parser.h"
32#include "xf86tokens.h"
33#include "Configint.h"
34
35static
36xf86ConfigSymTabRec OutputClassTab[] = {
37    {ENDSECTION, "endsection"},
38    {IDENTIFIER, "identifier"},
39    {DRIVER, "driver"},
40    {MATCH_DRIVER, "matchdriver"},
41    {-1, ""},
42};
43
44static void
45xf86freeOutputClassList(XF86ConfOutputClassPtr ptr)
46{
47    XF86ConfOutputClassPtr prev;
48
49    while (ptr) {
50        xf86MatchGroup *group, *next;
51        char **list;
52
53        TestFree(ptr->identifier);
54        TestFree(ptr->comment);
55        TestFree(ptr->driver);
56
57        xorg_list_for_each_entry_safe(group, next, &ptr->match_driver, entry) {
58            xorg_list_del(&group->entry);
59            for (list = group->values; *list; list++)
60                free(*list);
61            free(group);
62        }
63
64        prev = ptr;
65        ptr = ptr->list.next;
66        free(prev);
67    }
68}
69
70#define CLEANUP xf86freeOutputClassList
71
72#define TOKEN_SEP "|"
73
74static void
75add_group_entry(struct xorg_list *head, char **values)
76{
77    xf86MatchGroup *group;
78
79    group = malloc(sizeof(*group));
80    if (group) {
81        group->values = values;
82        xorg_list_add(&group->entry, head);
83    }
84}
85
86XF86ConfOutputClassPtr
87xf86parseOutputClassSection(void)
88{
89    int has_ident = FALSE;
90    int token;
91
92    parsePrologue(XF86ConfOutputClassPtr, XF86ConfOutputClassRec)
93
94    /* Initialize MatchGroup lists */
95    xorg_list_init(&ptr->match_driver);
96
97    while ((token = xf86getToken(OutputClassTab)) != ENDSECTION) {
98        switch (token) {
99        case COMMENT:
100            ptr->comment = xf86addComment(ptr->comment, xf86_lex_val.str);
101            break;
102        case IDENTIFIER:
103            if (xf86getSubToken(&(ptr->comment)) != STRING)
104                Error(QUOTE_MSG, "Identifier");
105            if (has_ident == TRUE)
106                Error(MULTIPLE_MSG, "Identifier");
107            ptr->identifier = xf86_lex_val.str;
108            has_ident = TRUE;
109            break;
110        case DRIVER:
111            if (xf86getSubToken(&(ptr->comment)) != STRING)
112                Error(QUOTE_MSG, "Driver");
113            else
114                ptr->driver = xf86_lex_val.str;
115            break;
116        case MATCH_DRIVER:
117            if (xf86getSubToken(&(ptr->comment)) != STRING)
118                Error(QUOTE_MSG, "MatchDriver");
119            add_group_entry(&ptr->match_driver,
120                            xstrtokenize(xf86_lex_val.str, TOKEN_SEP));
121            free(xf86_lex_val.str);
122            break;
123        case EOF_TOKEN:
124            Error(UNEXPECTED_EOF_MSG);
125            break;
126        default:
127            Error(INVALID_KEYWORD_MSG, xf86tokenString());
128            break;
129        }
130    }
131
132    if (!has_ident)
133        Error(NO_IDENT_MSG);
134
135#ifdef DEBUG
136    printf("OutputClass section parsed\n");
137#endif
138
139    return ptr;
140}
141void
142xf86printOutputClassSection(FILE * cf, XF86ConfOutputClassPtr ptr)
143{
144    const xf86MatchGroup *group;
145    char *const *cur;
146
147    while (ptr) {
148        fprintf(cf, "Section \"OutputClass\"\n");
149        if (ptr->comment)
150            fprintf(cf, "%s", ptr->comment);
151        if (ptr->identifier)
152            fprintf(cf, "\tIdentifier      \"%s\"\n", ptr->identifier);
153        if (ptr->driver)
154            fprintf(cf, "\tDriver          \"%s\"\n", ptr->driver);
155
156        xorg_list_for_each_entry(group, &ptr->match_driver, entry) {
157            fprintf(cf, "\tMatchDriver     \"");
158            for (cur = group->values; *cur; cur++)
159                fprintf(cf, "%s%s", cur == group->values ? "" : TOKEN_SEP,
160                        *cur);
161            fprintf(cf, "\"\n");
162        }
163
164        fprintf(cf, "EndSection\n\n");
165        ptr = ptr->list.next;
166    }
167}
168