prosody
7ae000fc8c07
util/envload.lua

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

Software / code / prosody

Annotate

util/envload.lua @ 13267:7ae000fc8c07 0.12

mod_muc_mam: Improve wording of enable setting Suggested by jstein in the chat This option label is used by XMPP clients to explain what the option does. a) The user should know where the data is archived. b) The user needs a statement that can be enabled/disabled by the variable. A question would have the wrong logic here.
author Kim Alvefur <zash@zash.se>
date Sun, 15 Oct 2023 14:43:11 +0200
parent 8416:bc9cb23b604a
child 12576:d1aacc6a81ac
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5020
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
1 -- Prosody IM
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
2 -- Copyright (C) 2008-2011 Florian Zeitz
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
3 --
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
4 -- This project is MIT/X11 licensed. Please see the
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
5 -- COPYING file in the source package for more information.
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
6 --
8416
bc9cb23b604a util.envload: Ignore "undefined variable" warning for loadstring [luacheck with strict 5.2 or 5.3 checks]
Kim Alvefur <zash@zash.se>
parents: 7930
diff changeset
7 -- luacheck: ignore 113/setfenv 113/loadstring
5020
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
8
7924
8487fe9fc335 util.envload: Open file here instead of letting loadfile do it so that all return values from io.open can be collected
Kim Alvefur <zash@zash.se>
parents: 7728
diff changeset
9 local load, loadstring, setfenv = load, loadstring, setfenv;
8487fe9fc335 util.envload: Open file here instead of letting loadfile do it so that all return values from io.open can be collected
Kim Alvefur <zash@zash.se>
parents: 7728
diff changeset
10 local io_open = io.open;
5020
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
11 local envload;
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
12 local envloadfile;
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
13
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
14 if setfenv then
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
15 function envload(code, source, env)
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
16 local f, err = loadstring(code, source);
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
17 if f and env then setfenv(f, env); end
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
18 return f, err;
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
19 end
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
20
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
21 function envloadfile(file, env)
7924
8487fe9fc335 util.envload: Open file here instead of letting loadfile do it so that all return values from io.open can be collected
Kim Alvefur <zash@zash.se>
parents: 7728
diff changeset
22 local fh, err, errno = io_open(file);
8487fe9fc335 util.envload: Open file here instead of letting loadfile do it so that all return values from io.open can be collected
Kim Alvefur <zash@zash.se>
parents: 7728
diff changeset
23 if not fh then return fh, err, errno; end
8487fe9fc335 util.envload: Open file here instead of letting loadfile do it so that all return values from io.open can be collected
Kim Alvefur <zash@zash.se>
parents: 7728
diff changeset
24 local f, err = load(function () return fh:read(2048); end, "@"..file);
7930
5dec27760ecd util.envload: Close file handle after reading data
Kim Alvefur <zash@zash.se>
parents: 7924
diff changeset
25 fh:close();
5020
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
26 if f and env then setfenv(f, env); end
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
27 return f, err;
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
28 end
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
29 else
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
30 function envload(code, source, env)
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
31 return load(code, source, nil, env);
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
32 end
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
33
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
34 function envloadfile(file, env)
7924
8487fe9fc335 util.envload: Open file here instead of letting loadfile do it so that all return values from io.open can be collected
Kim Alvefur <zash@zash.se>
parents: 7728
diff changeset
35 local fh, err, errno = io_open(file);
8487fe9fc335 util.envload: Open file here instead of letting loadfile do it so that all return values from io.open can be collected
Kim Alvefur <zash@zash.se>
parents: 7728
diff changeset
36 if not fh then return fh, err, errno; end
7930
5dec27760ecd util.envload: Close file handle after reading data
Kim Alvefur <zash@zash.se>
parents: 7924
diff changeset
37 local f, err = load(fh:lines(2048), "@"..file, nil, env);
5dec27760ecd util.envload: Close file handle after reading data
Kim Alvefur <zash@zash.se>
parents: 7924
diff changeset
38 fh:close();
5dec27760ecd util.envload: Close file handle after reading data
Kim Alvefur <zash@zash.se>
parents: 7924
diff changeset
39 return f, err;
5020
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
40 end
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
41 end
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
42
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
43 return { envload = envload, envloadfile = envloadfile };