mame/plugins/boot.lua
2016-08-30 15:53:27 +10:00

50 lines
1.4 KiB
Lua

-- license:BSD-3-Clause
-- copyright-holders:Miodrag Milanovic
require('lfs')
-- add helper to lfs for plugins to use
function lfs.env_replace(str)
local pathsep = package.config:sub(1,1)
local function dorep(val)
ret = os.getenv(val)
if ret then
return ret
end
return val
end
if pathsep == '\\' then
str = str:gsub("%%(%w+)%%", dorep)
else
str = str:gsub("%$(%w+)", dorep)
end
return str
end
local dir = lfs.env_replace(manager:options().entries.pluginspath:value())
package.path = dir .. "/?.lua;" .. dir .. "/?/init.lua"
local json = require('json')
local function readAll(file)
local f = io.open(file, "rb")
local content = f:read("*all")
f:close()
return content
end
for file in lfs.dir(dir) do
if (file~="." and file~=".." and lfs.attributes(dir .. "/" .. file,"mode")=="directory") then
local filename = dir .. "/" .. file .. "/plugin.json"
local meta = json.parse(readAll(filename))
if (meta["plugin"]["type"]=="plugin") and (mame_manager:plugins().entries[meta["plugin"]["name"]]~=nil) then
local entry = mame_manager:plugins().entries[meta["plugin"]["name"]]
if (entry:value()==true) then
emu.print_verbose("Starting plugin " .. meta["plugin"]["name"] .. "...")
plugin = require(meta["plugin"]["name"])
if plugin.set_folder~=nil then plugin.set_folder(dir .. "/" .. file) end
plugin.startplugin();
end
end
end
end