# Copyright 1999-2009 Gentoo Foundation

 # Distributed under the terms of the GNU General Public License v2

 # $Header: $

 # @ECLASS: lua.eclass

 # @MAINTAINER: rafael@rafaelmartins.com

 # @BLURB: A utility eclass that should be inherited by anything that deals with

 # Lua modules.

 # @DESCRIPTION: Some useful functions for dealing with Lua. Based on Python eclass

 inherit multilib

 if [[ -n "${NEED_LUA}" ]]; then

 	LUA_ATOM=">=dev-lang/lua-${NEED_LUA}"

 else

 	LUA_ATOM="dev-lang/lua"

 fi

 DEPEND="${LUA_ATOM}"

 RDEPEND="${DEPEND}"

 __lua_version_extract() {

 	local verstr=$1

 	export LUAVER_MAJOR=${verstr:0:1}

 	export LUAVER_MINOR=${verstr:2:1}

 	if [[ ${verstr:3:1} == . ]]; then

 		export LUAVER_MICRO=${verstr:4}

 	fi

 	export LUAVER="${LUAVER_MAJOR}.${LUAVER_MINOR}"

 }

 __lua_version() {

 	[[ -n "${LUAVER}" ]] && return 0

 	local tmparr

 	lua=${lua:-/usr/bin/lua}

 	tmparr=( $(${lua} -v 2>&1 ) )

 	export LUAVER_ALL="${tmparr[1]}"

 	__lua_version_extract $LUAVER_ALL

 }

 __lua_install_paths() {

 	export LUA_LMOD="/usr/share/lua/${LUAVER}"

 	export LUA_CMOD="/usr/$(get_libdir)/lua/${LUAVER}"

 }

 lua_cmodules_install() {

 	local module=$(basename ${1})

 	einfo "Installing shared object module: ${2}/${module}"

 	install -Dm0755 "${1}" "${D}/${LUA_CMOD}/${2:-.}/${module}"

 }

 lua_lmodules_install() {

 	local module=$(basename ${1})

 	einfo "Installing Lua Module: ${2}/${module}"

 	install -Dm0644 "${1}" "${D}/${LUA_LMOD}/${2:-.}/${module}"

 }

 __lua_version

 __lua_install_paths