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Diffstat (limited to '')
| -rw-r--r-- | contrib/libucl/lua_ucl.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/contrib/libucl/lua_ucl.h b/contrib/libucl/lua_ucl.h new file mode 100644 index 0000000..4a759e3 --- /dev/null +++ b/contrib/libucl/lua_ucl.h @@ -0,0 +1,109 @@ +/* + * Copyright 2023 Vsevolod Stakhov + * + * 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. + */ + +/* Copyright (c) 2014, Vsevolod Stakhov + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef LUA_UCL_H_ +#define LUA_UCL_H_ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#include "ucl.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* Include C++ guard as Lua headers miss one */ +#include <lua.h> +#include <lauxlib.h> +#include <lualib.h> + +/** + * Closure structure for lua function storing inside UCL + */ +struct ucl_lua_funcdata { + lua_State *L; + int idx; + char *ret; +}; + +/** + * Initialize lua UCL API + */ +UCL_EXTERN int luaopen_ucl(lua_State *L); + +/** + * Import UCL object from lua state + * @param L lua state + * @param idx index of object at the lua stack to convert to UCL + * @return new UCL object or NULL, the caller should unref object after using + */ +UCL_EXTERN ucl_object_t *ucl_object_lua_import(lua_State *L, int idx); + +/** + * Import UCL object from lua state, escaping JSON strings + * @param L lua state + * @param idx index of object at the lua stack to convert to UCL + * @return new UCL object or NULL, the caller should unref object after using + */ +UCL_EXTERN ucl_object_t *ucl_object_lua_import_escape(lua_State *L, int idx); + +/** + * Push an object to lua + * @param L lua state + * @param obj object to push + * @param allow_array traverse over implicit arrays + */ +UCL_EXTERN int ucl_object_push_lua(lua_State *L, + const ucl_object_t *obj, bool allow_array); +/** + * Push an object to lua replacing all ucl.null with `false` + * @param L lua state + * @param obj object to push + * @param allow_array traverse over implicit arrays + */ +UCL_EXTERN int ucl_object_push_lua_filter_nil(lua_State *L, + const ucl_object_t *obj, + bool allow_array); + +UCL_EXTERN struct ucl_lua_funcdata *ucl_object_toclosure(const ucl_object_t *obj); +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* LUA_UCL_H_ */ |