* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * GNU Lesser General Public License for more details.
*/
#ifndef __LIBUCI_H
#define __LIBUCI_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
#include "uci_config.h"
/*
#include <stdbool.h>
#include <setjmp.h>
#include <stdio.h>
+#include <stdint.h>
#define UCI_CONFDIR "/etc/config"
#define UCI_SAVEDIR "/tmp/.uci"
struct uci_delta;
struct uci_context;
struct uci_backend;
+struct uci_parse_option;
struct uci_parse_context;
* @single: ignore the 'package' keyword and parse everything into a single package
*
* the name parameter is for config files that don't explicitly use the 'package <...>' keyword
- * if 'package' points to a non-null struct pointer, enable delta tracking and merge
+ * if 'package' points to a non-null struct pointer, enable delta tracking and merge
*/
extern int uci_import(struct uci_context *ctx, FILE *stream, const char *name, struct uci_package **package, bool single);
* @str: uci tuple string to look up
* @extended: allow extended syntax lookup
*
- * if extended is set to true, uci_lookup_ptr supports the following
+ * if extended is set to true, uci_lookup_ptr supports the following
* extended syntax:
*
* Examples:
/**
* uci_set: Set an element's value; create the element if necessary
* @ctx: uci context
- * @ptr: uci pointer
+ * @ptr: uci pointer
*
* The updated/created element is stored in ptr->last
*/
/**
* uci_delete: Delete a section or option
* @ctx: uci context
- * @ptr: uci pointer
+ * @ptr: uci pointer
*/
extern int uci_delete(struct uci_context *ctx, struct uci_ptr *ptr);
*/
extern int uci_list_configs(struct uci_context *ctx, char ***list);
-/**
+/**
* uci_set_savedir: override the default delta save directory
* @ctx: uci context
* @dir: directory name
*/
extern int uci_set_savedir(struct uci_context *ctx, const char *dir);
-/**
+/**
* uci_set_savedir: override the default config storage directory
* @ctx: uci context
* @dir: directory name
*/
int uci_parse_ptr(struct uci_context *ctx, struct uci_ptr *ptr, char *str);
+/**
+ * uci_lookup_next: lookup a child element
+ * @ctx: uci context
+ * @e: target element pointer
+ * @list: list of elements
+ * @name: name of the child element
+ *
+ * if parent is NULL, the function looks up the package with the given name
+ */
+int uci_lookup_next(struct uci_context *ctx, struct uci_element **e, struct uci_list *list, const char *name);
+
+/**
+ * uci_parse_section: look up a set of options
+ * @s: uci section
+ * @opts: list of options to look up
+ * @n_opts: number of options to look up
+ * @tb: array of pointers to found options
+ */
+void uci_parse_section(struct uci_section *s, const struct uci_parse_option *opts,
+ int n_opts, struct uci_option **tb);
+
+/**
+ * uci_hash_options: build a hash over a list of options
+ * @tb: list of option pointers
+ * @n_opts: number of options
+ */
+uint32_t uci_hash_options(struct uci_option **tb, int n_opts);
+
+
/* UCI data structures */
enum uci_type {
UCI_TYPE_UNSPEC = 0,
void *dlh;
};
+struct uci_parse_option {
+ const char *name;
+ enum uci_option_type type;
+};
+
/* linked list handling */
#ifndef offsetof
#define uci_dataptr(ptr) \
(((char *) ptr) + sizeof(*ptr))
+/**
+ * uci_lookup_package: look up a package
+ * @ctx: uci context
+ * @name: name of the package
+ */
+static inline struct uci_package *
+uci_lookup_package(struct uci_context *ctx, const char *name)
+{
+ struct uci_element *e = NULL;
+ if (uci_lookup_next(ctx, &e, &ctx->root, name) == 0)
+ return uci_to_package(e);
+ else
+ return NULL;
+}
+
+/**
+ * uci_lookup_section: look up a section
+ * @ctx: uci context
+ * @p: package that the section belongs to
+ * @name: name of the section
+ */
+static inline struct uci_section *
+uci_lookup_section(struct uci_context *ctx, struct uci_package *p, const char *name)
+{
+ struct uci_element *e = NULL;
+ if (uci_lookup_next(ctx, &e, &p->sections, name) == 0)
+ return uci_to_section(e);
+ else
+ return NULL;
+}
+
+/**
+ * uci_lookup_option: look up an option
+ * @ctx: uci context
+ * @section: section that the option belongs to
+ * @name: name of the option
+ */
+static inline struct uci_option *
+uci_lookup_option(struct uci_context *ctx, struct uci_section *s, const char *name)
+{
+ struct uci_element *e = NULL;
+ if (uci_lookup_next(ctx, &e, &s->options, name) == 0)
+ return uci_to_option(e);
+ else
+ return NULL;
+}
+
+static inline const char *
+uci_lookup_option_string(struct uci_context *ctx, struct uci_section *s, const char *name)
+{
+ struct uci_option *o;
+
+ o = uci_lookup_option(ctx, s, name);
+ if (!o || o->type != UCI_TYPE_STRING)
+ return NULL;
+
+ return o->v.string;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
#endif
projects / project / uci.git / blobdiff