add uci.add() to lua binding

[project/uci.git] / lua / uci.c

diff --git a/lua/uci.c b/lua/uci.c
index 00cfc0e..ca6f1ad 100644 (file)
--- a/lua/uci.c
+++ b/lua/uci.c
@@ -271,23 +271,70 @@ uci_lua_get_all(lua_State *L)
 }
 
 static int
+uci_lua_add(lua_State *L)
+{
+       struct uci_section *s = NULL;
+       struct uci_package *p;
+       const char *package;
+       const char *type;
+       const char *name = NULL;
+
+       do {
+               package = luaL_checkstring(L, 1);
+               type = luaL_checkstring(L, 2);
+               p = find_package(package);
+               if (!p)
+                       break;
+
+               if (uci_add_section(ctx, p, type, &s) || !s)
+                       break;
+
+               name = s->e.name;
+       } while (0);
+
+       lua_pushstring(L, name);
+       return 1;
+}
+
+static int
 uci_lua_set(lua_State *L)
 {
        struct uci_package *p;
-       char *package = NULL;
-       char *section = NULL;
-       char *option = NULL;
-       char *value = NULL;
-       char *s;
+       const char *package = NULL;
+       const char *section = NULL;
+       const char *option = NULL;
+       const char *value = NULL;
+       const char *s;
        int err = UCI_ERR_MEM;
+       int nargs;
 
-       luaL_checkstring(L, 1);
-       s = strdup(lua_tostring(L, -1));
-       if (!s)
-               goto error;
+       nargs = lua_gettop(L);
+
+       s = luaL_checkstring(L, 1);
+       switch(nargs) {
+       case 1:
+               /* Format: uci.set("p.s.o=v") or uci.set("p.s=v") */
+               s = strdup(s);
+               if (!s)
+                       goto error;
 
-       if ((err = uci_parse_tuple(ctx, s, &package, &section, &option, &value)))
+               if ((err = uci_parse_tuple(ctx, (char *) s, (char **) &package, (char **) &section, (char **) &option, (char **) &value)))
+                       goto error;
+               break;
+       case 4:
+               /* Format: uci.set("p", "s", "o", "v") */
+               option = luaL_checkstring(L, 3);
+               /* fall through */
+       case 3:
+               /* Format: uci.set("p", "s", "v") */
+               package = s;
+               section = luaL_checkstring(L, 2);
+               value = luaL_checkstring(L, nargs);
+               break;
+       default:
+               err = UCI_ERR_INVAL;
                goto error;
+       }
 
        if ((section == NULL) || (value == NULL)) {
                err = UCI_ERR_INVAL;
@@ -424,6 +471,7 @@ static const luaL_Reg uci[] = {
        { "unload", uci_lua_unload },
        { "get", uci_lua_get },
        { "get_all", uci_lua_get_all },
+       { "add", uci_lua_add },
        { "set", uci_lua_set },
        { "save", uci_lua_save },
        { "commit", uci_lua_commit },