prosody
2d002a4af144
util/argparse.lua

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util/argparse.lua @ 10825:2d002a4af144

mod_csi_simple: Fix flushing when client sent something Forgot to unset the flag afterwards, so it would only work once. The flag is not even needed, it works as intended without it.
author Kim Alvefur <zash@zash.se>
date Sat, 09 May 2020 13:50:58 +0200
parent 10651:1196f1e8d178
child 10936:d770435f0f84
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
10651
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
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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
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29 print("Unknown command-line option: "..tostring(param));
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30 print("Perhaps you meant to use prosodyctl instead?");
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31 os.exit(1);
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32 end
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33
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34 local param_k, param_v;
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35 if value_params[param] then
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36 param_k, param_v = param, table.remove(arg, 1);
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37 if not param_v then
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38 print("Expected a value to follow command-line option: "..raw_param);
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39 os.exit(1);
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40 end
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41 else
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42 param_k, param_v = param:match("^([^=]+)=(.+)$");
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43 if not param_k then
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44 if param:match("^no%-") then
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45 param_k, param_v = param:sub(4), false;
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46 else
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47 param_k, param_v = param, true;
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48 end
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49 end
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50 end
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51 parsed_opts[param_k] = param_v;
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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 }