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if not modules then modules = { } end modules ['luat-log'] = {
version = 1.001,
comment = "companion to luat-lib.tex",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
--[[ldx--
<p>This is a prelude to a more extensive logging module. For the sake
of parsing log files, in addition to the standard logging we will
provide an <l n='xml'/> structured file. Actually, any logging that
is hooked into callbacks will be \XML\ by default.</p>
--ldx]]--
input = input or { }
logs = logs or { }
--[[ldx--
<p>This looks pretty ugly but we need to speed things up a bit.</p>
--ldx]]--
logs.levels = {
['error'] = 1,
['warning'] = 2,
['info'] = 3,
['debug'] = 4
}
logs.functions = {
'error', 'warning', 'info', 'debug', 'report',
'start', 'stop', 'push', 'pop'
}
logs.callbacks = {
'start_page_number',
'stop_page_number',
'report_output_pages',
'report_output_log'
}
logs.xml = logs.xml or { }
logs.tex = logs.tex or { }
logs.level = 0
do
local write_nl, write, format = texio.write_nl or print, texio.write or print, string.format
function logs.xml.debug(category,str)
if logs.level > 3 then write_nl(format("<d category='%s'>%s</d>",category,str)) end
end
function logs.xml.info(category,str)
if logs.level > 2 then write_nl(format("<i category='%s'>%s</i>",category,str)) end
end
function logs.xml.warning(category,str)
if logs.level > 1 then write_nl(format("<w category='%s'>%s</w>",category,str)) end
end
function logs.xml.error(category,str)
if logs.level > 0 then write_nl(format("<e category='%s'>%s</e>",category,str)) end
end
function logs.xml.report(category,str)
write_nl(format("<r category='%s'>%s</r>",category,str))
end
function logs.xml.start() if logs.level > 0 then tw("<%s>" ) end end
function logs.xml.stop () if logs.level > 0 then tw("</%s>") end end
function logs.xml.push () if logs.level > 0 then tw("<!-- ") end end
function logs.xml.pop () if logs.level > 0 then tw(" -->" ) end end
function logs.tex.debug(category,str)
if logs.level > 3 then write_nl(format("debug >> %s: %s" ,category,str)) end
end
function logs.tex.info(category,str)
if logs.level > 2 then write_nl(format("info >> %s: %s" ,category,str)) end
end
function logs.tex.warning(category,str)
if logs.level > 1 then write_nl(format("warning >> %s: %s",category,str)) end
end
function logs.tex.error(category,str)
if logs.level > 0 then write_nl(format("error >> %s: %s" ,category,str)) end
end
function logs.tex.report(category,str)
write_nl(format("report >> %s: %s" ,category,str))
end
function logs.set_level(level)
logs.level = logs.levels[level] or level
end
function logs.set_method(method)
for _, v in pairs(logs.functions) do
logs[v] = logs[method][v] or function() end
end
if callback and input[method] then
for _, cb in pairs(logs.callbacks) do
callback.register(cb, input[method][cb])
end
end
end
function logs.xml.start_page_number()
write_nl(format("<p real='%s' page='%s' sub='%s'", tex.count[0], tex.count[1], tex.count[2]))
end
function logs.xml.stop_page_number()
write("/>")
write_nl("")
end
function logs.xml.report_output_pages(p,b)
write_nl(format("<v k='pages' v='%s'/>", p))
write_nl(format("<v k='bytes' v='%s'/>", b))
write_nl("")
end
function logs.xml.report_output_log()
end
end
logs.set_level('error')
logs.set_method('tex')
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