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/*
Copyright (c) 2024, Lance Borden
All rights reserved.
This software is licensed under the BSD 3-Clause License.
You may obtain a copy of the license at:
https://opensource.org/licenses/BSD-3-Clause
Redistribution and use in source and binary forms, with or without
modification, are permitted under the conditions stated in the BSD 3-Clause
License.
THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTIES,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#include "lua_api.h"
#include "lush.h"
#include <lauxlib.h>
#include <lua.h>
#include <lualib.h>
#include <stdio.h>
#include <stdlib.h>
// -- script execution --
void lua_load_script(lua_State *L, const char *script) {
if (luaL_dofile(L, script) != LUA_OK) {
printf("[C] Error reading script\n");
luaL_error(L, "Error: %s\n", lua_tostring(L, -1));
}
}
// -- C funtions --
static void execute_command(lua_State *L, const char *line) {
int status = 0;
char **commands = lush_split_pipes((char *)line);
char ***args = lush_split_args(commands, &status);
if (status == -1) {
fprintf(stderr, "lush: Expected end of quoted string\n");
} else if (lush_run(L, args, status) == 0) {
exit(1);
}
for (int i = 0; args[i]; i++) {
free(args[i]);
}
free(args);
free(commands);
}
// -- Lua wrappers --
static int l_execute_command(lua_State *L) {
const char *command = luaL_checkstring(L, 1);
execute_command(L, command);
return 0;
}
// -- register Lua functions --
void lua_register_api(lua_State *L) {
lua_register(L, "exec", l_execute_command);
}
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