2 * Copyright (c) 2010, Olivier MATZ <zer0@droids-corp.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the University of California, Berkeley nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #include <sys/queue.h>
35 #include "expression.h"
36 #include "conf_parser.h"
37 #include "conf_htable.h"
38 #include "parser_common.h"
39 #include "dotconfig.h"
42 static int confnode_config_new(struct confnode *n, const struct line *line);
43 static int confnode_config_set_user_strvalue(struct confnode *n,
44 const char *strvalue);
45 static int confnode_config_get_user_strvalue(const struct confnode *n, char *buf,
47 static int confnode_config_set_default_strvalue(struct confnode *n,
48 const char *strvalue);
49 static int confnode_config_get_default_strvalue(const struct confnode *n, char *buf,
51 static const char *confnode_config_get_type_str(const struct confnode *n);
52 static void confnode_config_display_short(const struct confnode *n);
54 static struct confnode_type confnode_config = {
56 .new = confnode_config_new,
60 .dotconfig_write = NULL,
61 .strvalue_to_boolvalue = NULL,
62 .set_user_strvalue = confnode_config_set_user_strvalue,
63 .get_user_strvalue = confnode_config_get_user_strvalue,
64 .set_default_strvalue = confnode_config_set_default_strvalue,
65 .get_default_strvalue = confnode_config_get_default_strvalue,
66 .get_type_str = confnode_config_get_type_str,
67 .display_short = confnode_config_display_short,
72 /* Create a new node */
73 static int confnode_config_new(struct confnode *n, const struct line *line)
76 tok = TAILQ_FIRST(&line->token_list);
78 if (strcmp(tok->str, "config") || line->n_token != 2)
81 tok = TAILQ_NEXT(tok, next);
82 snprintf(n->name, sizeof(n->name), "%s", tok->str);
83 n->ops = &confnode_config.ops;
84 n->flags = CONFNODE_F_BOOL;
85 snprintf(n->default_value, sizeof(n->default_value), "n");
89 /* Set the string value of the node n. Return 0 on success, or -1 if
90 * the value cannot be set. */
91 static int confnode_config_set_user_strvalue(struct confnode *n,
94 if (strcmp(strvalue, "y") && strcmp(strvalue, "n"))
96 snprintf(n->value, sizeof(n->value), "%s", strvalue);
100 /* Get the string value that the user asked to set for this node
101 * 'n'. This function does not check if dependancies are met. Return 0
102 * on success, in this case the string is copied in buffer 'buf' of
103 * len 'buflen'. Return -1 if the value cannot be read. */
104 static int confnode_config_get_user_strvalue(const struct confnode *n, char *buf,
107 if (strcmp(n->value, "") == 0)
109 if (!strcmp(n->value, "y")) {
110 snprintf(buf, buflen, "y");
114 snprintf(buf, buflen, "n");
119 /* Set the default string value of the node n. Return 0 on success, or
120 * -1 if the value cannot be set. */
121 static int confnode_config_set_default_strvalue(struct confnode *n,
122 const char *strvalue)
124 if (strcmp(strvalue, "y") && strcmp(strvalue, "n"))
126 snprintf(n->default_value, sizeof(n->default_value), "%s", strvalue);
130 /* Get the default string value for this node 'n'. This function does
131 * not check if dependancies are met. Return 0 on success, in this
132 * case the string is copied in buffer 'buf' of len 'buflen'. Return
133 * -1 if the value cannot be read. */
134 static int confnode_config_get_default_strvalue(const struct confnode *n, char *buf,
137 if (!strcmp(n->default_value, "y")) {
138 snprintf(buf, buflen, "y");
142 snprintf(buf, buflen, "n");
147 /* Return a string identifying the node type ("config", "menuconfig",
149 static const char *confnode_config_get_type_str(const struct confnode *n)
154 /* Print a one-line summary of the node. Used in case of 'ls'. */
155 static void confnode_config_display_short(const struct confnode *n)
158 if (confnode_get_boolvalue(n) == 0) {
159 if (confnode_get_user_boolvalue(n) <= 0)
168 printf("[%c] %s: %s\n", c, n->name, n->prompt);
171 /* register the node type */
172 void confnode_config_register(void)
174 TAILQ_INSERT_TAIL(&confnode_type_list, &confnode_config, next);