127 lines
2.9 KiB
C
127 lines
2.9 KiB
C
/*
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* gluon-web Template - Lua binding
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*
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* Copyright (C) 2009 Jo-Philipp Wich <jow@openwrt.org>
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* Copyright (C) 2018 Matthias Schiffer <mschiffer@universe-factory.net>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "template_parser.h"
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#include "template_utils.h"
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#include "template_lmo.h"
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#include <lualib.h>
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#include <lauxlib.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#define TEMPLATE_LUALIB_META "gluon.web.template.parser"
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static int template_L_do_parse(lua_State *L, struct template_parser *parser, const char *chunkname)
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{
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int lua_status, rv;
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if (!parser)
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{
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lua_pushnil(L);
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lua_pushinteger(L, errno);
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lua_pushstring(L, strerror(errno));
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return 3;
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}
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lua_status = lua_load(L, template_reader, parser, chunkname);
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if (lua_status == 0)
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rv = 1;
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else
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rv = template_error(L, parser);
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template_close(parser);
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return rv;
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}
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static int template_L_parse(lua_State *L)
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{
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const char *file = luaL_checkstring(L, 1);
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struct template_parser *parser = template_open(file);
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return template_L_do_parse(L, parser, file);
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}
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static int template_L_parse_string(lua_State *L)
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{
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size_t len;
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const char *str = luaL_checklstring(L, 1, &len);
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struct template_parser *parser = template_string(str, len);
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return template_L_do_parse(L, parser, "[string]");
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}
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static int template_L_pcdata(lua_State *L)
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{
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size_t inlen, outlen;
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char *out;
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const char *in = luaL_checklstring(L, 1, &inlen);
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if (!pcdata(in, inlen, &out, &outlen))
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return 0;
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lua_pushlstring(L, out, outlen);
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free(out);
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return 1;
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}
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static int template_L_load_catalog(lua_State *L) {
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const char *lang = luaL_optstring(L, 1, "en");
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const char *dir = luaL_checkstring(L, 2);
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lua_pushboolean(L, lmo_load_catalog(lang, dir));
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return 1;
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}
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static int template_L_translate(lua_State *L) {
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size_t len;
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char *tr;
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size_t trlen;
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const char *key = luaL_checklstring(L, 1, &len);
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if (lmo_translate(key, len, &tr, &trlen))
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lua_pushlstring(L, tr, trlen);
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else
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lua_pushnil(L);
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return 1;
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}
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/* module table */
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static const luaL_reg R[] = {
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{ "parse", template_L_parse },
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{ "parse_string", template_L_parse_string },
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{ "pcdata", template_L_pcdata },
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{ "load_catalog", template_L_load_catalog },
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{ "translate", template_L_translate },
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{}
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};
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__attribute__ ((visibility("default")))
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LUALIB_API int luaopen_gluon_web_template_parser(lua_State *L) {
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luaL_register(L, TEMPLATE_LUALIB_META, R);
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return 1;
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}
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