prosody
287d0d80aa57
util/argparse.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

util/argparse.lua @ 11132:287d0d80aa57

util.prosodyctl: Construct luarocks command line with templates More flexible and safer wrt escaping
author Kim Alvefur <zash@zash.se>
date Mon, 05 Oct 2020 21:13:23 +0200
parent 10936:d770435f0f84
child 11846:6425dfa3de45
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
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 local function parse(arg, config)
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 local short_params = config and config.short_params or {};
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 local value_params = config and config.value_params or {};
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 local parsed_opts = {};
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 if #arg == 0 then
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 return parsed_opts;
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9 end
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 while true do
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 local raw_param = arg[1];
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 if not raw_param then
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 break;
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14 end
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16 local prefix = raw_param:match("^%-%-?");
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17 if not prefix then
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18 break;
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 elseif prefix == "--" and raw_param == "--" then
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 table.remove(arg, 1);
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21 break;
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22 end
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23 local param = table.remove(arg, 1):sub(#prefix+1);
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24 if #param == 1 and short_params then
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25 param = short_params[param];
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26 end
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28 if not param then
10936
d770435f0f84 util.argparse: Move exiting and error to util.startup
Kim Alvefur <zash@zash.se>
parents: 10651
diff changeset
29 return nil, "param-not-found", param;
10651
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30 end
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 local param_k, param_v;
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 if value_params[param] then
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34 param_k, param_v = param, table.remove(arg, 1);
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35 if not param_v then
10936
d770435f0f84 util.argparse: Move exiting and error to util.startup
Kim Alvefur <zash@zash.se>
parents: 10651
diff changeset
36 return nil, "missing-value", raw_param;
10651
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37 end
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38 else
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39 param_k, param_v = param:match("^([^=]+)=(.+)$");
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40 if not param_k then
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
41 if param:match("^no%-") then
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
42 param_k, param_v = param:sub(4), false;
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
43 else
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44 param_k, param_v = param, true;
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
45 end
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 end
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 end
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 parsed_opts[param_k] = param_v;
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 end
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 return parsed_opts;
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51 end
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
52
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
53 return {
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
54 parse = parse;
1196f1e8d178 util.startup: Break out command line argument parsing into util.argparse
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55 }