fprintf(stderr, "%s <package> <section_type> <section_name> 'option:datatype:default' 'option:datatype:default' ...\n", argv);
}
-static char*
-bool_to_num(char *val)
+static const char *
+bool_to_num(const char *val)
{
- static char val0[] = "0";
- static char val1[] = "1";
- static char val_none[] = "";
+ if (!strcmp(val, "0") || !strcmp(val, "off") || !strcmp(val, "false") || !strcmp(val, "no") || !strcmp(val, "disabled"))
+ return "0";
+ if (!strcmp(val, "1") || !strcmp(val, "on") || !strcmp(val, "true") || !strcmp(val, "yes") || !strcmp(val, "enabled"))
+ return "1";
- if (!strcmp(val, "0") || !strcmp(val, "off") || !strcmp(val, "false") || !strcmp(val, "disabled"))
- return val0;
- if (!strcmp(val, "1") || !strcmp(val, "on") || !strcmp(val, "true") || !strcmp(val, "enabled"))
- return val1;
+ return "";
+}
+
+static bool
+parse_tuple(char *tuple, char **option, char **expr, char **def)
+{
+ char *p;
+ bool esc;
+
+ for (esc = false, p = *option = tuple, *expr = NULL, *def = NULL; *p; p++)
+ {
+ if (!esc && *p == '\\')
+ {
+ esc = true;
+ continue;
+ }
+
+ if (!esc && *p == ':')
+ {
+ *p++ = 0;
+
+ if (!*expr)
+ *expr = p;
+ else if (!*def)
+ *def = p;
+ else
+ break;
+ }
+
+ esc = false;
+ }
+
+ return (*expr != NULL);
+}
+
+static void
+escape_value(enum dt_type type, const char *val)
+{
+ const char *p;
+
+ switch(type)
+ {
+ case DT_BOOL:
+ printf("%s", bool_to_num(val));
+ break;
- return val_none;
+ case DT_STRING:
+ printf("'");
+
+ for (p = val; *p; p++)
+ if (*p == '\'')
+ printf("'\"'\"'");
+ else
+ printf("%c", *p);
+
+ printf("'");
+ break;
+
+ default:
+ printf("%s", val);
+ break;
+ }
+}
+
+static void
+export_value(enum dt_type type, const char *name, const char *val)
+{
+ if ((type == DT_INVALID) || !val || !*val)
+ {
+ printf("unset -v %s; ", name);
+ return;
+ }
+
+ printf("%s=", name);
+ escape_value(type, val);
+ printf("; ");
+}
+
+static int
+validate_value(struct uci_ptr *ptr, const char *expr, const char *def)
+{
+ int i = 0;
+ bool empty = true, first = true;
+ enum dt_type type = DT_INVALID;
+ struct uci_element *e;
+ struct uci_option *opt = ptr->o;
+
+ if (opt->type == UCI_TYPE_LIST)
+ {
+ uci_foreach_element(&opt->v.list, e)
+ {
+ if (!e->name || !*e->name)
+ continue;
+
+ empty = false;
+ break;
+ }
+
+ if (empty)
+ {
+ export_value(DT_STRING, ptr->option, def);
+ return 0;
+ }
+
+ uci_foreach_element(&opt->v.list, e)
+ {
+ if (!e->name || !*e->name)
+ continue;
+
+ if (first)
+ printf("%s=", ptr->option);
+ else
+ printf("\\ ");
+
+ first = false;
+ type = dt_parse(expr, e->name);
+
+ if (type != DT_INVALID)
+ escape_value(type, e->name);
+
+ fprintf(stderr, "%s.%s.%s[%u]=%s validates as %s with %s\n",
+ ptr->package, ptr->section, ptr->option, i++, e->name,
+ expr, type ? "true" : "false");
+ }
+
+ printf("; ");
+ }
+ else
+ {
+ if (!opt->v.string || !*opt->v.string)
+ {
+ export_value(DT_STRING, ptr->option, def);
+ return 0;
+ }
+
+ type = dt_parse(expr, opt->v.string);
+ export_value(type, ptr->option, opt->v.string);
+
+ fprintf(stderr, "%s.%s.%s=%s validates as %s with %s\n",
+ ptr->package, ptr->section, ptr->option, opt->v.string,
+ expr, type ? "true" : "false");
+ }
+ return type ? 0 : -1;
}
static int
validate_option(struct uci_context *ctx, char *package, char *section, char *option)
{
- char *datatype = strstr(option, ":");
+ char *opt, *expr, *def;
struct uci_ptr ptr = { 0 };
- char *val;
- int ret = 0;
- if (!datatype) {
+ if (!parse_tuple(option, &opt, &expr, &def))
+ {
fprintf(stderr, "%s is not a valid option\n", option);
return -1;
}
- *datatype = '\0';
- datatype++;
- val = strstr(datatype, ":");
- if (val) {
- *val = '\0';
- val++;
- }
-
ptr.package = package;
ptr.section = section;
- ptr.option = option;
-
- if (!uci_lookup_ptr(ctx, &ptr, NULL, false))
- if (ptr.flags & UCI_LOOKUP_COMPLETE)
- if (ptr.last->type == UCI_TYPE_OPTION)
- if ( ptr.o->type == UCI_TYPE_STRING)
- if (ptr.o->v.string)
- val = ptr.o->v.string;
-
- if (val) {
- ret = dt_parse(datatype, val);
- fprintf(stderr, "%s.%s.%s=%s validates as %s with %s\n", package, section, option,
- val, datatype, ret ? "true" : "false");
- }
+ ptr.option = opt;
- if (ret && !strcmp(datatype, "bool"))
- printf("%s=%s; ", option, bool_to_num(val));
- else if (ret)
- printf("%s=%s; ", option, val);
- else
- printf("unset -v %s; ", option);
+ if (uci_lookup_ptr(ctx, &ptr, NULL, false) ||
+ !(ptr.flags & UCI_LOOKUP_COMPLETE) ||
+ (ptr.last->type != UCI_TYPE_OPTION))
+ {
+ export_value(DT_STRING, opt, def);
+ return 0;
+ }
- return ret;
+ return validate_value(&ptr, expr, def);
}
int
{
struct uci_context *ctx;
struct uci_package *package;
+ char *opt, *expr, *def;
int len = argc - 4;
- bool rv;
- int i;
+ enum dt_type rv;
+ int i, rc;
if (argc == 3) {
rv = dt_parse(argv[1], argv[2]);
printf("json_add_object \"data\"; ");
for (i = 0; i < len; i++) {
- char *datatype = strstr(argv[4 + i], ":");
- char *def;
-
- if (!datatype)
+ if (!parse_tuple(argv[4 + i], &opt, &expr, &def))
continue;
- *datatype = '\0';
- datatype++;
- def = strstr(datatype, ":");
- if (def)
- *def = '\0';
- printf("json_add_string \"%s\" \"%s\"; ", argv[4 + i], datatype);
+
+ printf("json_add_string \"%s\" \"%s\"; ", opt, expr);
}
+
printf("json_close_object; ");
printf("json_close_object; ");
if (uci_load(ctx, argv[1], &package))
return -1;
- for (i = 0; i < len; i++)
- validate_option(ctx, argv[1], argv[3], argv[4 + i]);
+ rc = 0;
+ for (i = 0; i < len; i++) {
+ if (validate_option(ctx, argv[1], argv[3], argv[4 + i])) {
+ rc = -1;
+ }
+ }
- return 0;
+ return rc;
}