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_menuconfig_new(struct confnode *n, const struct line *line);
43 static int confnode_menuconfig_close_dir(struct confnode *parent,
44 const struct line *line);
45 static int confnode_menuconfig_set_user_strvalue(struct confnode *n,
46 const char *strvalue);
47 static int confnode_menuconfig_get_user_strvalue(const struct confnode *n, char *buf,
49 static int confnode_menuconfig_set_default_strvalue(struct confnode *n,
50 const char *strvalue);
51 static int confnode_menuconfig_get_default_strvalue(const struct confnode *n, char *buf,
53 static const char *confnode_menuconfig_get_type_str(const struct confnode *n);
54 static void confnode_menuconfig_display_short(const struct confnode *n);
56 static struct confnode_type confnode_menuconfig = {
58 .new = confnode_menuconfig_new,
61 .close_dir = confnode_menuconfig_close_dir,
62 .dotconfig_write = NULL,
63 .strvalue_to_boolvalue = NULL,
64 .set_user_strvalue = confnode_menuconfig_set_user_strvalue,
65 .get_user_strvalue = confnode_menuconfig_get_user_strvalue,
66 .set_default_strvalue = confnode_menuconfig_set_default_strvalue,
67 .get_default_strvalue = confnode_menuconfig_get_default_strvalue,
68 .get_type_str = confnode_menuconfig_get_type_str,
69 .display_short = confnode_menuconfig_display_short,
74 /* Create a new node */
75 static int confnode_menuconfig_new(struct confnode *n, const struct line *line)
78 tok = TAILQ_FIRST(&line->token_list);
80 if (strcmp(tok->str, "menuconfig") || line->n_token != 2)
83 tok = TAILQ_NEXT(tok, next);
84 snprintf(n->name, sizeof(n->name), "%s", tok->str);
85 n->ops = &confnode_menuconfig.ops;
86 n->flags = CONFNODE_F_IS_DIR |
87 CONFNODE_F_FORCE_CHILD_DEPS |
92 /* Parse a line and check if it closes the current node ,
93 * "endmenu" closes "menu" node): in this case return 0. Else, return
95 static int confnode_menuconfig_close_dir(struct confnode *parent,
96 const struct line *line)
100 tok = TAILQ_FIRST(&line->token_list);
102 return -1; /* should not happen */
104 /* syntax is: endmenuconfig */
105 if (!strcmp(tok->str, "endmenuconfig") && line->n_token == 1) {
106 //printf("endmenuconfig\n");
112 /* Set the string value of the node n. Return 0 on success, or -1 if
113 * the value cannot be set. */
114 static int confnode_menuconfig_set_user_strvalue(struct confnode *n,
115 const char *strvalue)
117 if (strcmp(strvalue, "y") && strcmp(strvalue, "n"))
119 snprintf(n->value, sizeof(n->value), "%s", strvalue);
123 /* Get the string value that the user asked to set for this node
124 * 'n'. This function does not check if dependancies are met. Return 0
125 * on success, in this case the string is copied in buffer 'buf' of
126 * len 'buflen'. Return -1 if the value cannot be read. */
127 static int confnode_menuconfig_get_user_strvalue(const struct confnode *n, char *buf,
130 if (strcmp(n->value, "") == 0)
132 if (!strcmp(n->value, "y")) {
133 snprintf(buf, buflen, "y");
137 snprintf(buf, buflen, "n");
142 /* Set the default string value of the node n. Return 0 on success, or
143 * -1 if the value cannot be set. */
144 static int confnode_menuconfig_set_default_strvalue(struct confnode *n,
145 const char *strvalue)
147 if (strcmp(strvalue, "y") && strcmp(strvalue, "n"))
149 snprintf(n->default_value, sizeof(n->default_value), "%s", strvalue);
153 /* Get the default string value for this node 'n'. This function does
154 * not check if dependancies are met. Return 0 on success, in this
155 * case the string is copied in buffer 'buf' of len 'buflen'. Return
156 * -1 if the value cannot be read. */
157 static int confnode_menuconfig_get_default_strvalue(const struct confnode *n, char *buf,
160 if (!strcmp(n->default_value, "y")) {
161 snprintf(buf, buflen, "y");
165 snprintf(buf, buflen, "n");
170 /* Return a string identifying the node type ("config", "menuconfig",
172 static const char *confnode_menuconfig_get_type_str(const struct confnode *n)
177 /* Print a one-line summary of the node. Used in case of 'ls'. */
178 static void confnode_menuconfig_display_short(const struct confnode *n)
181 if (confnode_get_boolvalue(n) == 0) {
182 if (confnode_get_user_boolvalue(n) <= 0)
191 printf("[%c] -> %s: %s\n", c, n->name, n->prompt);
194 /* register the node type */
195 void confnode_menuconfig_register(void)
197 TAILQ_INSERT_TAIL(&confnode_type_list, &confnode_menuconfig, next);