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util/argparse.lua @ 12828:f33887f925e1
net.server_epoll: Remove delay on last main loop iteration when quitting
Main difference is that timers are not checked unconditionally before
each poll, only when running out of previous poll results (hidden by
util.poll). This removes a final poll at shutdown that usually delays
the 'not quitting' condition check by one second.
author | Kim Alvefur <zash@zash.se> |
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date | Fri, 06 Jan 2023 04:38:39 +0100 |
parent | 12477:cc84682b8429 |
child | 13058:766152afc1c9 |
rev | line source |
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1 local function parse(arg, config) |
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2 local short_params = config and config.short_params or {}; |
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3 local value_params = config and config.value_params or {}; |
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4 |
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5 local parsed_opts = {}; |
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6 |
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7 if #arg == 0 then |
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8 return parsed_opts; |
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9 end |
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10 while true do |
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11 local raw_param = arg[1]; |
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12 if not raw_param then |
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13 break; |
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14 end |
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15 |
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16 local prefix = raw_param:match("^%-%-?"); |
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17 if not prefix then |
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18 break; |
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19 elseif prefix == "--" and raw_param == "--" then |
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20 table.remove(arg, 1); |
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21 break; |
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22 end |
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23 local param = table.remove(arg, 1):sub(#prefix+1); |
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24 if #param == 1 and short_params then |
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25 param = short_params[param]; |
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26 end |
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27 |
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28 if not param then |
11846 | 29 return nil, "param-not-found", raw_param; |
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30 end |
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31 |
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32 local param_k, param_v; |
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33 if value_params[param] then |
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34 param_k, param_v = param, table.remove(arg, 1); |
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35 if not param_v then |
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36 return nil, "missing-value", raw_param; |
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37 end |
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38 else |
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39 param_k, param_v = param:match("^([^=]+)=(.+)$"); |
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40 if not param_k then |
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41 if param:match("^no%-") then |
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42 param_k, param_v = param:sub(4), false; |
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43 else |
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44 param_k, param_v = param, true; |
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45 end |
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46 end |
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47 end |
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48 parsed_opts[param_k] = param_v; |
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49 end |
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50 for i = 1, #arg do |
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51 parsed_opts[i] = arg[i]; |
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52 end |
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53 return parsed_opts; |
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54 end |
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55 |
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56 return { |
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57 parse = parse; |
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58 } |