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util/argparse.lua @ 10853:0107ed6744aa
net.server: Switch to epoll backend by default
(if util.poll is found)
author | Matthew Wild <mwild1@gmail.com> |
---|---|
date | Mon, 01 Jun 2020 13:43:35 +0100 |
parent | 10651:1196f1e8d178 |
child | 10936:d770435f0f84 |
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local function parse(arg, config) local short_params = config and config.short_params or {}; local value_params = config and config.value_params or {}; local parsed_opts = {}; if #arg == 0 then return parsed_opts; end while true do local raw_param = arg[1]; if not raw_param then break; end local prefix = raw_param:match("^%-%-?"); if not prefix then break; elseif prefix == "--" and raw_param == "--" then table.remove(arg, 1); break; end local param = table.remove(arg, 1):sub(#prefix+1); if #param == 1 and short_params then param = short_params[param]; end if not param then print("Unknown command-line option: "..tostring(param)); print("Perhaps you meant to use prosodyctl instead?"); os.exit(1); end local param_k, param_v; if value_params[param] then param_k, param_v = param, table.remove(arg, 1); if not param_v then print("Expected a value to follow command-line option: "..raw_param); os.exit(1); end else param_k, param_v = param:match("^([^=]+)=(.+)$"); if not param_k then if param:match("^no%-") then param_k, param_v = param:sub(4), false; else param_k, param_v = param, true; end end end parsed_opts[param_k] = param_v; end return parsed_opts; end return { parse = parse; }