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73 lines
2.4 KiB
73 lines
2.4 KiB
-- --- T2-COPYRIGHT-NOTE-BEGIN ---
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-- This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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--
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-- T2 SDE: package/.../sam/sam/log.lua
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-- Copyright (C) 2006 The T2 SDE Project
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--
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-- More information can be found in the files COPYING and README.
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; version 2 of the License. A copy of the
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-- GNU General Public License can be found in the file COPYING.
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-- --- T2-COPYRIGHT-NOTE-END ---
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sam = sam or {}
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--[[ DESCRIPTION ] ----------------------------------------------------------
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Provided functions:
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* sam.log(required-verbosity-level, identification, printf-format...)
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Print information about SAM processing. The logging level (sam.opt.loglevel)
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has to be equal or higher than "required-verbosity-level". The
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"identification" is printed in square brackets in front of the message.
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Example:
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sam.log(sam.log.ERROR, "Config", "Config file incosistency (%s)",
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filename)
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* sam.error(identification, format...)
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* sam.warn(identification, format...)
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* sam.notice(identification, format...)
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* sam.info(identification, format...)
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* sam.dbg(identification, format...)
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Short form for the logging function.
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--]] ------------------------------------------------------------------------
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sam.log = {
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ERROR = 0,
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WARN = 1,
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NOTICE = 2,
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INFO = 3,
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DEBUG = 4,
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}
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sam.error = function(ident,...) sam.log(sam.log.ERROR, ident, unpack(arg)) end
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sam.warn = function(ident,...) sam.log(sam.log.WARN, ident, unpack(arg)) end
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sam.notice = function(ident,...) sam.log(sam.log.NOTICE, ident, unpack(arg)) end
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sam.info = function(ident,...) sam.log(sam.log.INFO, ident, unpack(arg)) end
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sam.dbg = function(ident,...) sam.log(sam.log.DEBUG, ident, unpack(arg)) end
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-- log_stdout(required-log-level, identification, fmt...)
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-- The default logging method is to log to stderr.
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local function log_stdout(reqlvl, ident, ...)
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if sam.opt.loglevel >= reqlvl then
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io.stderr:write(string.format("[%s] ", ident))
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io.stderr:write(string.format(unpack(arg)))
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end
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end
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-- sam.log(required-log-level, identification, fmt...)
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-- sam.log can be called as function via a metatable,
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-- default: log_stdout
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setmetatable(sam.log, {
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__call = function(self, reqlvl, ident, ...)
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log_stdout(reqlvl, ident, unpack(arg))
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end
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})
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