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- /*
- * ucimap - library for mapping uci sections into data structures
- * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation
- *
- * 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.
- */
- #include <stdbool.h>
- #include "uci_list.h"
- #include "uci.h"
- #ifndef ARRAY_SIZE
- #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
- #endif
- #define BITFIELD_SIZE(_fields) (((_fields) / 8) + 1)
- #define CLR_BIT(_name, _bit) do { \
- _name[(_bit) / 8] &= ~(1 << ((_bit) % 8)); \
- } while (0)
- #define SET_BIT(_name, _bit) do { \
- _name[(_bit) / 8] |= (1 << ((_bit) % 8)); \
- } while (0)
- #define TEST_BIT(_name, _bit) \
- (_name[(_bit) / 8] & (1 << ((_bit) % 8)))
- #define UCIMAP_OPTION(_type, _field) \
- .type = UCIMAP_CUSTOM, \
- .name = #_field, \
- .offset = offsetof(_type, _field)
- struct uci_sectionmap;
- struct uci_optmap;
- struct ucimap_list;
- struct uci_map {
- struct uci_sectionmap **sections;
- unsigned int n_sections;
- struct list_head sdata;
- struct list_head fixup;
- void *priv; /* user data */
- };
- enum ucimap_type {
- /* types */
- UCIMAP_SIMPLE = 0x00,
- UCIMAP_LIST = 0x10,
- UCIMAP_TYPE = 0xf0, /* type mask */
- /* subtypes */
- UCIMAP_STRING = 0x0,
- UCIMAP_BOOL = 0x1,
- UCIMAP_INT = 0x2,
- UCIMAP_SECTION = 0x3,
- UCIMAP_CUSTOM = 0x4,
- UCIMAP_SUBTYPE = 0xf, /* subtype mask */
- };
- union ucimap_data {
- int i;
- bool b;
- char *s;
- void *section;
- struct ucimap_list *list;
- };
- struct uci_listmap {
- struct list_head list;
- union ucimap_data data;
- };
- struct uci_sectionmap {
- /* type string for the uci section */
- const char *type;
- /* length of the struct to map into */
- unsigned int alloc_len;
- /* give the caller time to initialize the preallocated struct */
- int (*init)(struct uci_map *map, void *section, struct uci_section *s);
- /* pass the fully processed struct to the callback after the section end */
- int (*add)(struct uci_map *map, void *section);
- /* let the callback clean up its own stuff in the section */
- int (*free)(struct uci_map *map, void *section);
- /* list of option mappings for this section */
- struct uci_optmap *options;
- unsigned int n_options;
- unsigned int options_size;
- };
- struct uci_optmap {
- unsigned int offset;
- const char *name;
- enum ucimap_type type;
- int (*parse)(void *section, struct uci_optmap *om, union ucimap_data *data, const char *string);
- union {
- struct {
- int base;
- int min;
- int max;
- } i;
- struct {
- int maxlen;
- } s;
- struct uci_sectionmap *sm;
- } data;
- };
- struct ucimap_list {
- int n_items;
- union ucimap_data item[];
- };
- extern int ucimap_init(struct uci_map *map);
- extern void ucimap_cleanup(struct uci_map *map);
- extern void ucimap_set_changed(void *section, void *field);
- extern int ucimap_store_section(struct uci_map *map, struct uci_package *p, void *section);
- extern void ucimap_parse(struct uci_map *map, struct uci_package *pkg);
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