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util/argparse.lua @ 12590:5eaf77114fdb
compat: Use table.pack (there since Lua 5.2) over our util.table
Added in d278a770eddc avoid having to deal with its absence in Lua 5.1.
No longer needed when Lua 5.1 support is dropped.
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 11 Jul 2022 19:15:24 +0200 |
parent | 12477:cc84682b8429 |
child | 13058:766152afc1c9 |
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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 return nil, "param-not-found", raw_param; 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 return nil, "missing-value", raw_param; 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 for i = 1, #arg do parsed_opts[i] = arg[i]; end return parsed_opts; end return { parse = parse; }