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94a8266684
libucl comes with a Lua library binding. Build it into flua.
This lets us parse/generate config files in the various formats supported by
libucl with flua. For example, the following script will detect the format of
an object written to stdin as one of UCL config, JSON, or YAML and write it to
stdout as pretty-printed JSON:
local ucl = require('ucl')
local parser = ucl.parser()
parser:parse_string(io.read('*a'))
local obj = parser:get_object()
print(ucl.to_format(obj, 'json'))
Reviewed by: kevans, pstef
Approved by: mmacy (mentor)
Relnotes: yes
Differential Revision: https://reviews.freebsd.org/D25009
77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
/* $FreeBSD$ */
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/*
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** $Id: linit.c,v 1.39.1.1 2017/04/19 17:20:42 roberto Exp $
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** Initialization of libraries for lua.c and other clients
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** See Copyright Notice in lua.h
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*/
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#define linit_c
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#define LUA_LIB
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/*
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** If you embed Lua in your program and need to open the standard
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** libraries, call luaL_openlibs in your program. If you need a
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** different set of libraries, copy this file to your project and edit
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** it to suit your needs.
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**
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** You can also *preload* libraries, so that a later 'require' can
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** open the library, which is already linked to the application.
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** For that, do the following code:
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**
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** luaL_getsubtable(L, LUA_REGISTRYINDEX, LUA_PRELOAD_TABLE);
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** lua_pushcfunction(L, luaopen_modname);
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** lua_setfield(L, -2, modname);
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** lua_pop(L, 1); // remove PRELOAD table
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*/
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#include "lprefix.h"
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#include <stddef.h>
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#include "lua.h"
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#include "lualib.h"
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#include "lauxlib.h"
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#include "lfs.h"
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#include "lposix.h"
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#include "lua_ucl.h"
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/*
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** these libs are loaded by lua.c and are readily available to any Lua
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** program
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*/
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static const luaL_Reg loadedlibs[] = {
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{"_G", luaopen_base},
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{LUA_LOADLIBNAME, luaopen_package},
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{LUA_COLIBNAME, luaopen_coroutine},
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{LUA_TABLIBNAME, luaopen_table},
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{LUA_IOLIBNAME, luaopen_io},
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{LUA_OSLIBNAME, luaopen_os},
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{LUA_STRLIBNAME, luaopen_string},
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{LUA_MATHLIBNAME, luaopen_math},
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{LUA_UTF8LIBNAME, luaopen_utf8},
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{LUA_DBLIBNAME, luaopen_debug},
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#if defined(LUA_COMPAT_BITLIB)
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{LUA_BITLIBNAME, luaopen_bit32},
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#endif
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/* FreeBSD Extensions */
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{"lfs", luaopen_lfs},
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{"posix.sys.stat", luaopen_posix_sys_stat},
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{"posix.unistd", luaopen_posix_unistd},
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{"ucl", luaopen_ucl},
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{NULL, NULL}
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};
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LUALIB_API void luaL_openlibs (lua_State *L) {
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const luaL_Reg *lib;
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/* "require" functions from 'loadedlibs' and set results to global table */
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for (lib = loadedlibs; lib->func; lib++) {
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luaL_requiref(L, lib->name, lib->func, 1);
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lua_pop(L, 1); /* remove lib */
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}
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}
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