From: Felix Fietkau Date: Sun, 17 Aug 2008 18:57:52 +0000 (+0200) Subject: add initial work for option datatype abstraction X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=cac9b1d765338466c1c77719c4119c565689b4c4;p=oweals%2Fuci.git add initial work for option datatype abstraction --- diff --git a/cli.c b/cli.c index 9787988..5ae345e 100644 --- a/cli.c +++ b/cli.c @@ -93,11 +93,19 @@ static void cli_perror(void) static void uci_show_option(struct uci_option *o) { - printf("%s.%s.%s=%s\n", - o->section->package->e.name, - o->section->e.name, - o->e.name, - o->value); + printf("%s.%s.%s=", + o->section->package->e.name, + o->section->e.name, + o->e.name); + + switch(o->type) { + case UCI_TYPE_STRING: + printf("%s\n", o->v.string); + break; + default: + printf("\n"); + break; + } } static void uci_show_section(struct uci_section *p) @@ -301,6 +309,7 @@ static int uci_do_section_cmd(int cmd, int argc, char **argv) struct uci_package *p = NULL; struct uci_section *s = NULL; struct uci_element *e = NULL; + struct uci_option *o = NULL; char *section = NULL; char *option = NULL; char *value = NULL; @@ -343,16 +352,23 @@ static int uci_do_section_cmd(int cmd, int argc, char **argv) case CMD_GET: switch(e->type) { case UCI_TYPE_SECTION: - value = s->type; + printf("%s\n", s->type); break; case UCI_TYPE_OPTION: - value = uci_to_option(e)->value; + o = uci_to_option(e); + switch(o->type) { + case UCI_TYPE_STRING: + printf("%s\n", o->v.string); + break; + default: + printf("\n"); + break; + } break; default: break; } /* throw the value to stdout */ - printf("%s\n", value); break; case CMD_RENAME: ret = uci_rename(ctx, p, section, option, value); diff --git a/file.c b/file.c index ae0008f..4098e59 100644 --- a/file.c +++ b/file.c @@ -275,8 +275,15 @@ static void uci_export_package(struct uci_package *p, FILE *stream, bool header) fprintf(stream, "\n"); uci_foreach_element(&sec->options, o) { struct uci_option *opt = uci_to_option(o); - fprintf(stream, "\toption '%s'", uci_escape(ctx, opt->e.name)); - fprintf(stream, " '%s'\n", uci_escape(ctx, opt->value)); + switch(o->type) { + case UCI_TYPE_STRING: + fprintf(stream, "\toption '%s'", uci_escape(ctx, opt->e.name)); + fprintf(stream, " '%s'\n", uci_escape(ctx, opt->v.string)); + break; + default: + fprintf(stream, "\t# unknown type for option '%s'\n", uci_escape(ctx, opt->e.name)); + break; + } } } fprintf(stream, "\n"); diff --git a/list.c b/list.c index 41cfc24..0924edf 100644 --- a/list.c +++ b/list.c @@ -98,9 +98,10 @@ uci_alloc_option(struct uci_section *s, const char *name, const char *value) struct uci_option *o; o = uci_alloc_element(ctx, option, name, strlen(value) + 1); - o->value = uci_dataptr(o); + o->type = UCI_TYPE_STRING; + o->v.string = uci_dataptr(o); o->section = s; - strcpy(o->value, value); + strcpy(o->v.string, value); uci_list_add(&s->options, &o->e.list); return o; @@ -109,9 +110,15 @@ uci_alloc_option(struct uci_section *s, const char *name, const char *value) static inline void uci_free_option(struct uci_option *o) { - if ((o->value != uci_dataptr(o)) && - (o->value != NULL)) - free(o->value); + switch(o->type) { + case UCI_TYPE_STRING: + if ((o->v.string != uci_dataptr(o)) && + (o->v.string != NULL)) + free(o->v.string); + break; + default: + break; + } uci_free_element(&o->e); } @@ -136,8 +143,16 @@ static void uci_fixup_section(struct uci_context *ctx, struct uci_section *s) */ hash = djbhash(hash, s->type); uci_foreach_element(&s->options, e) { + struct uci_option *o; hash = djbhash(hash, e->name); - hash = djbhash(hash, uci_to_option(e)->value); + o = uci_to_option(e); + switch(o->type) { + case UCI_TYPE_STRING: + hash = djbhash(hash, o->v.string); + break; + default: + break; + } } sprintf(buf, "cfg%02x%04x", ++s->package->n_section, hash % (1 << 16)); s->e.name = uci_strdup(ctx, buf); @@ -462,8 +477,10 @@ int uci_set_element_value(struct uci_context *ctx, struct uci_element **element, 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->value)) + if (!strcmp(value, o->v.string)) return 0; break; default: @@ -485,7 +502,7 @@ int uci_set_element_value(struct uci_context *ctx, struct uci_element **element, uci_to_section(e)->type = str; break; case UCI_TYPE_OPTION: - uci_to_option(e)->value = str; + uci_to_option(e)->v.string = str; break; default: break; diff --git a/lua/uci.c b/lua/uci.c index e3a1334..1535f56 100644 --- a/lua/uci.c +++ b/lua/uci.c @@ -100,8 +100,15 @@ static void uci_push_section(lua_State *L, struct uci_section *s) uci_foreach_element(&s->options, e) { struct uci_option *o = uci_to_option(e); - lua_pushstring(L, o->value); - lua_setfield(L, -2, o->e.name); + switch(o->type) { + case UCI_TYPE_STRING: + lua_pushstring(L, o->v.string); + lua_setfield(L, -2, o->e.name); + break; + default: + /* nothing to do yet */ + break; + } } } @@ -201,6 +208,7 @@ uci_lua_get_any(lua_State *L, bool all) { struct uci_element *e = NULL; struct uci_package *p = NULL; + struct uci_option *o = NULL; const char *package = NULL; const char *section = NULL; const char *option = NULL; @@ -254,7 +262,15 @@ uci_lua_get_any(lua_State *L, bool all) lua_pushstring(L, uci_to_section(e)->type); break; case UCI_TYPE_OPTION: - lua_pushstring(L, uci_to_option(e)->value); + o = uci_to_option(e); + switch(o->type) { + case UCI_TYPE_STRING: + lua_pushstring(L, o->v.string); + break; + default: + /* nothing to do yet */ + break; + } break; default: err = UCI_ERR_INVAL; diff --git a/uci.h b/uci.h index 16c6966..d7fd1e2 100644 --- a/uci.h +++ b/uci.h @@ -319,6 +319,10 @@ enum uci_type { UCI_TYPE_BACKEND = 5, }; +enum uci_option_type { + UCI_TYPE_STRING = 0, +}; + enum uci_flags { UCI_FLAG_STRICT = (1 << 0), /* strict mode for the parser */ UCI_FLAG_PERROR = (1 << 1), /* print parser error messages */ @@ -404,7 +408,11 @@ struct uci_option { struct uci_element e; struct uci_section *section; - char *value; + enum uci_option_type type; + union { + struct uci_element *list; + char *string; + } v; }; enum uci_command {