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/*
* LuCI Template - Lua binding
*
* Copyright (C) 2009 Jo-Philipp Wich <jow@openwrt.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"
static int template_L_do_parse(lua_State *L, struct template_parser *parser, const char *chunkname)
{
int lua_status, rv;
if (!parser)
{
lua_pushnil(L);
lua_pushinteger(L, errno);
lua_pushstring(L, strerror(errno));
return 3;
}
lua_status = lua_load(L, template_reader, parser, chunkname);
if (lua_status == 0)
rv = 1;
else
rv = template_error(L, parser);
template_close(parser);
return rv;
}
int template_L_parse(lua_State *L)
{
const char *file = luaL_checkstring(L, 1);
struct template_parser *parser = template_open(file);
return template_L_do_parse(L, parser, file);
}
int template_L_parse_string(lua_State *L)
{
size_t len;
const char *str = luaL_checklstring(L, 1, &len);
struct template_parser *parser = template_string(str, len);
return template_L_do_parse(L, parser, "[string]");
}
int template_L_utf8(lua_State *L)
{
size_t len = 0;
const char *str = luaL_checklstring(L, 1, &len);
char *res = utf8(str, len);
if (res != NULL)
{
lua_pushstring(L, res);
free(res);
return 1;
}
return 0;
}
int template_L_pcdata(lua_State *L)
{
size_t len = 0;
const char *str = luaL_checklstring(L, 1, &len);
char *res = pcdata(str, len);
if (res != NULL)
{
lua_pushstring(L, res);
free(res);
return 1;
}
return 0;
}
int template_L_striptags(lua_State *L)
{
size_t len = 0;
const char *str = luaL_checklstring(L, 1, &len);
char *res = striptags(str, len);
if (res != NULL)
{
lua_pushstring(L, res);
free(res);
return 1;
}
return 0;
}
static int template_L_load_catalog(lua_State *L) {
const char *lang = luaL_optstring(L, 1, "en");
const char *dir = luaL_optstring(L, 2, NULL);
lua_pushboolean(L, !lmo_load_catalog(lang, dir));
return 1;
}
static int template_L_close_catalog(lua_State *L) {
const char *lang = luaL_optstring(L, 1, "en");
lmo_close_catalog(lang);
return 0;
}
static int template_L_change_catalog(lua_State *L) {
const char *lang = luaL_optstring(L, 1, "en");
lua_pushboolean(L, !lmo_change_catalog(lang));
return 1;
}
static int template_L_translate(lua_State *L) {
size_t len;
char *tr;
int trlen;
const char *key = luaL_checklstring(L, 1, &len);
switch (lmo_translate(key, len, &tr, &trlen))
{
case 0:
lua_pushlstring(L, tr, trlen);
return 1;
case -1:
return 0;
}
lua_pushnil(L);
lua_pushstring(L, "no catalog loaded");
return 2;
}
static int template_L_hash(lua_State *L) {
size_t len;
const char *key = luaL_checklstring(L, 1, &len);
lua_pushinteger(L, sfh_hash(key, len));
return 1;
}
/* module table */
static const luaL_reg R[] = {
{ "parse", template_L_parse },
{ "parse_string", template_L_parse_string },
{ "utf8", template_L_utf8 },
{ "pcdata", template_L_pcdata },
{ "striptags", template_L_striptags },
{ "load_catalog", template_L_load_catalog },
{ "close_catalog", template_L_close_catalog },
{ "change_catalog", template_L_change_catalog },
{ "translate", template_L_translate },
{ "hash", template_L_hash },
{ NULL, NULL }
};
LUALIB_API int luaopen_luci_template_parser(lua_State *L) {
luaL_register(L, TEMPLATE_LUALIB_META, R);
return 1;
}
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