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Diffstat (limited to 'rust/src/lua.rs')
-rw-r--r-- | rust/src/lua.rs | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/rust/src/lua.rs b/rust/src/lua.rs new file mode 100644 index 0000000..4fce2a8 --- /dev/null +++ b/rust/src/lua.rs @@ -0,0 +1,69 @@ +/* Copyright (C) 2017 Open Information Security Foundation + * + * You can copy, redistribute or modify this Program under the terms of + * the GNU General Public License version 2 as published by the Free + * Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * version 2 along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +//! Lua wrapper module. + +use std::os::raw::c_char; +use std::os::raw::c_int; +use std::os::raw::c_long; + +#[cfg(feature = "lua_int8")] +type LuaInteger = i64; + +#[cfg(not(feature = "lua_int8"))] +type LuaInteger = i32; + +/// The Rust place holder for lua_State. +pub enum CLuaState {} + +extern { + fn lua_createtable(lua: *mut CLuaState, narr: c_int, nrec: c_int); + fn lua_settable(lua: *mut CLuaState, idx: c_long); + fn lua_pushlstring(lua: *mut CLuaState, s: *const c_char, len: usize); + fn lua_pushinteger(lua: *mut CLuaState, n: LuaInteger); +} + +pub struct LuaState { + pub lua: *mut CLuaState, +} + +impl LuaState { + + pub fn newtable(&self) { + unsafe { + lua_createtable(self.lua, 0, 0); + } + } + + pub fn settable(&self, idx: i64) { + unsafe { + lua_settable(self.lua, idx as c_long); + } + } + + pub fn pushstring(&self, val: &str) { + unsafe { + lua_pushlstring(self.lua, val.as_ptr() as *const c_char, val.len()); + } + } + + pub fn pushinteger(&self, val: i64) { + unsafe { + lua_pushinteger(self.lua, val as LuaInteger); + } + } +} |