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util/format.lua @ 10399:270cb2821566
mod_ping: Remove ad-hoc command
17:27:40 <Ge0rG> Zash: the Ping thing is absolutely worthless
17:27:55 <Zash> The command provided by mod_ping?
17:27:59 <pep.> To own server?
17:28:14 <Ge0rG> the Ping command in mod_admin_web, whatever it maps to
17:28:29 <Ge0rG> > Pong
> 2019-11-07T16:28:16Z
What am I supposed to do with that result?
17:28:29 <Zash> Yeah, mod_ping provides that
17:28:41 <Ge0rG> Is it a ping to my own server? Where's the RTT?
17:28:48 <Zash> Dunno if it's useful for more than verifying that the adhoc command system works
17:29:02 <Ge0rG> (it lags, but there is no indication of how much)
17:29:14 <Zash> It can't really test that itself
17:29:52 <Zash> Anyone opposed to deleting it?
17:30:42 <Zash> Half the module
17:42:47 <MattJ> Zash, I'm fine with removing it
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 07 Nov 2019 19:23:42 +0100 |
parent | 10035:386f085820e6 |
child | 11638:5f4a657136bc |
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-- -- A string.format wrapper that gracefully handles invalid arguments -- local tostring = tostring; local unpack = table.unpack or unpack; -- luacheck: ignore 113/unpack local pack = require "util.table".pack; -- TODO table.pack in 5.2+ local type = type; local dump = require "util.serialization".new("debug"); local num_type = math.type or function (n) return n % 1 == 0 and n <= 9007199254740992 and n >= -9007199254740992 and "integer" or "float"; end -- In Lua 5.3+ these formats throw an error if given a float local expects_integer = { c = true, d = true, i = true, o = true, u = true, X = true, x = true, }; local function format(formatstring, ...) local args = pack(...); local args_length = args.n; -- format specifier spec: -- 1. Start: '%%' -- 2. Flags: '[%-%+ #0]' -- 3. Width: '%d?%d?' -- 4. Precision: '%.?%d?%d?' -- 5. Option: '[cdiouxXaAeEfgGqs%%]' -- -- The options c, d, E, e, f, g, G, i, o, u, X, and x all expect a number as argument, whereas q and s expect a string. -- This function does not accept string values containing embedded zeros, except as arguments to the q option. -- a and A are only in Lua 5.2+ -- process each format specifier local i = 0; formatstring = formatstring:gsub("%%[^cdiouxXaAeEfgGqs%%]*[cdiouxXaAeEfgGqs%%]", function(spec) if spec ~= "%%" then i = i + 1; local arg = args[i]; local option = spec:sub(-1); if arg == nil then args[i] = "nil"; spec = "<%s>"; elseif option == "q" then args[i] = dump(arg); spec = "%s"; elseif option == "s" then args[i] = tostring(arg); elseif type(arg) ~= "number" then -- arg isn't number as expected? args[i] = tostring(arg); spec = "[%s]"; elseif expects_integer[option] and num_type(arg) ~= "integer" then args[i] = tostring(arg); spec = "[%s]"; end end return spec; end); -- process extra args while i < args_length do i = i + 1; local arg = args[i]; if arg == nil then args[i] = "<nil>"; else args[i] = tostring(arg); end formatstring = formatstring .. " [%s]" end return formatstring:format(unpack(args)); end return { format = format; };