libs/web: add template parser reimplemented in C

[project/luci.git] / libs / web / src / template_lualib.c

diff --git a/libs/web/src/template_lualib.c b/libs/web/src/template_lualib.c
new file mode 100644 (file)
index 0000000..685613f
--- /dev/null
+++ b/libs/web/src/template_lualib.c
@@ -0,0 +1,62 @@
+/*
+ * LuCI Template - Lua binding
+ *
+ *   Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#include "template_lualib.h"
+
+int template_L_parse(lua_State *L)
+{
+       const char *file = luaL_checkstring(L, 1);
+       struct template_parser parser;
+       int lua_status;
+
+       if( (parser.fd = open(file, O_RDONLY)) > 0 )
+       {
+               parser.flags   = 0;
+               parser.bufsize = 0;
+               parser.state   = T_STATE_TEXT_NEXT;
+               
+               if( !(lua_status = lua_load(L, template_reader, &parser, file)) )
+               {
+                       return 1;
+               }
+               else
+               {
+                       lua_pushnil(L);
+                       lua_pushinteger(L, lua_status);
+                       lua_pushlstring(L, parser.out, parser.outsize);
+                       return 3;
+               }
+       }
+
+       lua_pushnil(L);
+       lua_pushinteger(L, 255);
+       lua_pushstring(L, "No such file or directory");
+       return 3;
+}
+
+/* module table */
+static const luaL_reg R[] = {
+       {"parse",       template_L_parse},
+       {NULL,          NULL}
+};
+
+LUALIB_API int luaopen_luci_template_parser(lua_State *L) {
+       luaL_register(L, TEMPLATE_LUALIB_META, R);
+       return 1;
+}
+