prosody
87424cbedc55
util/envload.lua

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util/envload.lua @ 12795:87424cbedc55

util.hashring: Support associating arbitrary data with nodes In this API, a 'node' is always a simple text string. Sometimes the caller may have a more complex structure representing a node, but the hash ring is really only concerned with the node's name. This API change allows :add_nodes() to take a table of `node_name = value` pairs, as well as the simple array of node names previously accepted. The 'value' of the selected node is returned as a new second result from :get_node(). If no value is passed when a node is added, it defaults to `true` (as before, but this was never previously exposed).
author Matthew Wild <mwild1@gmail.com>
date Fri, 02 Dec 2022 20:32:36 +0000
parent 12576:d1aacc6a81ac
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ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
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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>
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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
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3 --
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
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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>
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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>
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6 --
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bc9cb23b604a util.envload: Ignore "undefined variable" warning for loadstring [luacheck with strict 5.2 or 5.3 checks]
Kim Alvefur <zash@zash.se>
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7 -- luacheck: ignore 113/setfenv 113/loadstring
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9 local load = load;
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8487fe9fc335 util.envload: Open file here instead of letting loadfile do it so that all return values from io.open can be collected
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10 local io_open = io.open;
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12 local function envload(code, source, env)
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13 return load(code, source, nil, env);
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14 end
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16 local function envloadfile(file, env)
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17 local fh, err, errno = io_open(file);
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18 if not fh then return fh, err, errno; end
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19 local f, err = load(fh:lines(2048), "@" .. file, nil, env);
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20 fh:close();
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21 return f, err;
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22 end
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23
ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
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24 return { envload = envload, envloadfile = envloadfile };