X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fuci.git;a=blobdiff_plain;f=ucimap.h;h=5804791729475771b015b695dbc43f8e5b75e9c7;hp=02966ea1b0dcfe18efbc0f8665d85fb74baac313;hb=fe45f97302cb9cab70b6dcadfc5fde260b2212e9;hpb=c81b25ffd34632dc6ac56fe61faaf44eca822259 diff --git a/ucimap.h b/ucimap.h index 02966ea..5804791 100644 --- a/ucimap.h +++ b/ucimap.h @@ -9,11 +9,11 @@ * 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. */ /* - * This file contains ucimap, an API for mapping UCI to C data structures + * This file contains ucimap, an API for mapping UCI to C data structures */ #ifndef __UCIMAP_H @@ -93,7 +93,6 @@ #endif /* __GNUC__ */ #define UCIMAP_OPTION(_type, _field) \ - .type = UCIMAP_CUSTOM, \ .name = #_field, \ .offset = offsetof(_type, _field), \ .detected_type = __optmap_gen_type(_type, _field), \ @@ -135,11 +134,11 @@ enum ucimap_type { UCIMAP_TYPE = 0xf0, /* type mask */ /* subtypes */ - UCIMAP_STRING = 0x0, - UCIMAP_BOOL = 0x1, - UCIMAP_INT = 0x2, - UCIMAP_SECTION = 0x3, - UCIMAP_CUSTOM = 0x4, + UCIMAP_CUSTOM = 0x0, + UCIMAP_STRING = 0x1, + UCIMAP_BOOL = 0x2, + UCIMAP_INT = 0x3, + UCIMAP_SECTION = 0x4, UCIMAP_SUBTYPE = 0xf, /* subtype mask */ /* automatically create lists from @@ -236,14 +235,89 @@ struct ucimap_list { union ucimap_data item[]; }; +/** + * ucimap_init: initialize the ucimap data structure + * @map: ucimap data structure + * + * you must call this function before doing any other ucimap operation + * on the data structure + */ extern int ucimap_init(struct uci_map *map); + +/** + * ucimap_cleanup: clean up all allocated data from ucimap + * @map: ucimap data structure + */ extern void ucimap_cleanup(struct uci_map *map); + +/** + * ucimap_parse: parse all sections in an uci package using ucimap + * @map: ucimap data structure + * @pkg: uci package + */ +extern void ucimap_parse(struct uci_map *map, struct uci_package *pkg); + +/** + * ucimap_set_changed: mark a field in a custom data structure as changed + * @sd: pointer to the ucimap section data + * @field: pointer to the field inside the custom data structure + * + * @sd must be set to the section data inside the data structure that contains @field + */ extern void ucimap_set_changed(struct ucimap_section_data *sd, void *field); + +/** + * ucimap_store_section: copy all changed data from the converted data structure to uci + * @map: ucimap data structure + * @p: uci package to store the changes in + * @sd: pointer to the ucimap section data + * + * changes are not saved or committed automatically + */ extern int ucimap_store_section(struct uci_map *map, struct uci_package *p, struct ucimap_section_data *sd); -extern void ucimap_parse(struct uci_map *map, struct uci_package *pkg); + +/** + * ucimap_parse_section: parse a single section + * @map: ucimap data structure + * @sm: uci section map + * @sd: pointer to the ucimap section data + * @s: pointer to the uci section + * + * this function overwrites the ucimap section data, do not use on a section + * that has been parsed already + */ extern int ucimap_parse_section(struct uci_map *map, struct uci_sectionmap *sm, struct ucimap_section_data *sd, struct uci_section *s); + +/** + * ucimap_free_section: free a data structure for a converted section + * @map: ucimap data structure + * @sd: pointer to the ucimap section data + * + * this function will clean up all data that was allocated by ucimap for this section. + * all references to the data structure become invalid + */ extern void ucimap_free_section(struct uci_map *map, struct ucimap_section_data *sd); + +/** + * ucimap_resize_list: allocate or resize a uci list + * @sd: pointer to the ucimap section data + * @list: pointer to the list field + * @items: new size + * + * @sd must point to the data structure that contains @list. + * @list must point to the field containing a pointer to the list, not the list directly + * the memory allocated for this list is tracked for the section and freed automatically + */ extern int ucimap_resize_list(struct ucimap_section_data *sd, struct ucimap_list **list, int items); + +/** + * ucimap_free_item: free the allocated memory for a data structure member + * @sd: pointer to the ucimap section data + * @item: pointer to the field inside the data structure + * + * @sd must point to the data structure that contains @item. + * @item must point to the field containing a pointer to the allocated item + */ extern void ucimap_free_item(struct ucimap_section_data *sd, void *item); #endif