Software / code / verse
Changeset
5:93970910d064
util.logger: Friendlier string.format to automatically tostring() arguments
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Sat, 28 Nov 2009 22:24:20 +0000 |
| parents | 4:0ef21511c7ff |
| children | 6:f8e0ab90d84e |
| files | libs/logger.lua |
| diffstat | 1 files changed, 14 insertions(+), 2 deletions(-) [+] |
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--- a/libs/logger.lua Sat Nov 28 22:22:51 2009 +0000 +++ b/libs/logger.lua Sat Nov 28 22:24:20 2009 +0000 @@ -1,9 +1,21 @@ local print = print +local select, tostring = select, tostring; module "logger" +local function format(format, ...) + local n, maxn = 0, #arg; + return (format:gsub("%%(.)", function (c) if c ~= "%" and n <= maxn then n = n + 1; return tostring(arg[n]); end end)); +end + +local function format(format, ...) + local n, maxn = 0, select('#', ...); + local arg = { ... }; + return (format:gsub("%%(.)", function (c) if n <= maxn then n = n + 1; return tostring(arg[n]); end end)); +end + function init(name) - return function (level, message) - print(level, message); + return function (level, message, ...) + print(level, format(message, ...)); end end
