X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fuci.git;a=blobdiff_plain;f=list.c;h=ab40bdae11663461994b64f9fe5f8de64657dc94;hp=0924edfc173df808404a98fad148c43905611b21;hb=3bff697cca125a6a4147e3bd1c469b36504e8237;hpb=cac9b1d765338466c1c77719c4119c565689b4c4 diff --git a/list.c b/list.c index 0924edf..ab40bda 100644 --- a/list.c +++ b/list.c @@ -12,8 +12,6 @@ * GNU General Public License for more details. */ -#include - /* initialize a list head/item */ static inline void uci_list_init(struct uci_list *ptr) { @@ -110,18 +108,41 @@ uci_alloc_option(struct uci_section *s, const char *name, const char *value) static inline void uci_free_option(struct uci_option *o) { + struct uci_element *e, *tmp; + switch(o->type) { case UCI_TYPE_STRING: if ((o->v.string != uci_dataptr(o)) && (o->v.string != NULL)) free(o->v.string); break; + case UCI_TYPE_LIST: + uci_foreach_element_safe(&o->v.list, tmp, e) { + uci_free_element(e); + } + break; default: break; } uci_free_element(&o->e); } +static struct uci_option * +uci_alloc_list(struct uci_section *s, const char *name) +{ + struct uci_package *p = s->package; + struct uci_context *ctx = p->ctx; + struct uci_option *o; + + o = uci_alloc_element(ctx, option, name, 0); + o->type = UCI_TYPE_LIST; + o->section = s; + uci_list_init(&o->v.list); + uci_list_add(&s->options, &o->e.list); + + return o; +} + /* fix up an unnamed section, e.g. after adding options to it */ static void uci_fixup_section(struct uci_context *ctx, struct uci_section *s) { @@ -428,6 +449,29 @@ int uci_del_element(struct uci_context *ctx, struct uci_element *e) default: break; } + + return 0; +} + +int uci_add_element_list(struct uci_context *ctx, struct uci_option *o, const char *value) +{ + struct uci_element *e; + struct uci_package *p; + struct uci_section *s; + bool internal = ctx->internal; + + UCI_HANDLE_ERR(ctx); + UCI_ASSERT(ctx, (o != NULL) && (o->type == UCI_TYPE_LIST) && uci_validate_text(value)); + + s = o->section; + p = s->package; + + if (!internal && p->has_history) + uci_add_history(ctx, &p->history, UCI_CMD_LIST_ADD, s->e.name, o->e.name, value); + + e = uci_alloc_generic(ctx, UCI_TYPE_ITEM, value, 0); + uci_list_add(&o->v.list, &e->list); + return 0; } @@ -443,7 +487,7 @@ int uci_set_element_value(struct uci_context *ctx, struct uci_element **element, char *section; char *option; char *str; - int size; + int size = 0; UCI_HANDLE_ERR(ctx); UCI_ASSERT(ctx, (element != NULL) && (*element != NULL)); @@ -459,6 +503,7 @@ int uci_set_element_value(struct uci_context *ctx, struct uci_element **element, */ e = *element; list = e->list.prev; + switch(e->type) { case UCI_TYPE_SECTION: UCI_ASSERT(ctx, uci_validate_str(value, false)); @@ -470,19 +515,27 @@ int uci_set_element_value(struct uci_context *ctx, struct uci_element **element, if (!strcmp(value, s->type)) return 0; break; + case UCI_TYPE_OPTION: UCI_ASSERT(ctx, value != NULL); - size = sizeof(struct uci_option); o = uci_to_option(e); s = o->section; section = s->e.name; option = o->e.name; - if (o->type != UCI_TYPE_STRING) - UCI_THROW(ctx, UCI_ERR_INVAL); - /* matches the currently set value */ - if (!strcmp(value, o->v.string)) - return 0; + switch(o->type) { + case UCI_TYPE_STRING: + size = sizeof(struct uci_option); + /* matches the currently set value */ + if (!strcmp(value, o->v.string)) + return 0; + break; + default: + /* default action for non-string datatypes is to delete + * the existing entry, then re-create it as a string */ + break; + } break; + default: UCI_THROW(ctx, UCI_ERR_INVAL); return 0; @@ -491,6 +544,13 @@ int uci_set_element_value(struct uci_context *ctx, struct uci_element **element, if (!internal && p->has_history) uci_add_history(ctx, &p->history, UCI_CMD_CHANGE, section, option, value); + if ((e->type == UCI_TYPE_OPTION) && (size == 0)) { + o = uci_alloc_option(s, option, value); + UCI_INTERNAL(uci_del_element, ctx, e); + *element = &o->e; + goto done; + } + uci_list_del(&e->list); e = uci_realloc(ctx, e, size); str = uci_strdup(ctx, value); @@ -508,6 +568,7 @@ int uci_set_element_value(struct uci_context *ctx, struct uci_element **element, break; } +done: return 0; } @@ -564,6 +625,58 @@ int uci_delete(struct uci_context *ctx, struct uci_package *p, const char *secti return uci_del_element(ctx, e); } +int uci_add_list(struct uci_context *ctx, struct uci_package *p, const char *section, const char *option, const char *value, struct uci_option **result) +{ + /* NB: UCI_INTERNAL use means without history tracking */ + bool internal = ctx->internal; + struct uci_element *e; + struct uci_section *s; + struct uci_option *o; + struct uci_option *prev = NULL; + const char *value2 = NULL; + + UCI_HANDLE_ERR(ctx); + UCI_ASSERT(ctx, p && section && option && value && uci_validate_text(value)); + + /* look up the section first */ + UCI_INTERNAL(uci_lookup, ctx, &e, p, section, NULL); + s = uci_to_section(e); + + e = uci_lookup_list(&s->options, option); + if (e) { + o = uci_to_option(e); + switch (o->type) { + case UCI_TYPE_STRING: + /* we already have a string value, let's convert that to a list */ + prev = o; + value2 = value; + value = o->v.string; + break; + case UCI_TYPE_LIST: + if (result) + *result = o; + + ctx->internal = internal; + return uci_add_element_list(ctx, o, value); + default: + UCI_THROW(ctx, UCI_ERR_INVAL); + break; + } + } + + o = uci_alloc_list(s, option); + if (result) + *result = o; + if (prev) { + UCI_INTERNAL(uci_add_element_list, ctx, o, value); + uci_free_option(prev); + value = value2; + } + + ctx->internal = internal; + return uci_add_element_list(ctx, o, value); +} + int uci_set(struct uci_context *ctx, struct uci_package *p, const char *section, const char *option, const char *value, struct uci_element **result) { /* NB: UCI_INTERNAL use means without history tracking */