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if not modules then modules = { } end modules ['trac-log'] = {
version = 1.001,
comment = "companion to trac-log.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- xml logging is only usefull in normal runs, not in ini mode
-- it looks like some tex logging (like filenames) is broken (no longer
-- interceoted at the tex end so the xml variant is not that useable now)
--~ io.stdout:setvbuf("no")
--~ io.stderr:setvbuf("no")
local write_nl, write = texio and texio.write_nl or print, texio and texio.write or io.write
local format, gmatch = string.format, string.gmatch
local texcount = tex and tex.count
--[[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]]--
logs = logs or { }
local logs = logs
--[[ldx--
<p>This looks pretty ugly but we need to speed things up a bit.</p>
--ldx]]--
local moreinfo = [[
More information about ConTeXt and the tools that come with it can be found at:
maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage : http://www.pragma-ade.nl / http://tex.aanhet.net
wiki : http://contextgarden.net
]]
local functions = {
'report', 'status', 'start', 'stop', 'push', 'pop', 'line', 'direct',
'start_run', 'stop_run',
'start_page_number', 'stop_page_number',
'report_output_pages', 'report_output_log',
'report_tex_stat', 'report_job_stat',
'show_open', 'show_close', 'show_load',
'dummy',
}
local method = "nop"
function logs.setmethod(newmethod)
method = newmethod
-- a direct copy might be faster but let's try this for a while
setmetatable(logs, { __index = logs[method] })
end
function logs.getmethod()
return method
end
-- installer
local data = { }
function logs.new(category)
local logger = data[category]
if not logger then
logger = function(...)
logs.report(category,...)
end
data[category] = logger
end
return logger
end
--~ local report = logs.new("fonts")
-- nop logging (maybe use __call instead)
local noplog = { } logs.nop = noplog setmetatable(logs, { __index = noplog })
for i=1,#functions do
noplog[functions[i]] = function() end
end
-- tex logging
local texlog = { } logs.tex = texlog setmetatable(texlog, { __index = noplog })
function texlog.report(a,b,c,...)
if c then
write_nl(format("%-16s> %s\n",a,format(b,c,...)))
elseif b then
write_nl(format("%-16s> %s\n",a,b))
else
write_nl(format("%-16s>\n",a))
end
end
function texlog.status(a,b,c,...)
if c then
write_nl(format("%-16s: %s\n",a,format(b,c,...)))
elseif b then
write_nl(format("%-16s: %s\n",a,b)) -- b can have %'s
else
write_nl(format("%-16s:>\n",a))
end
end
function texlog.line(fmt,...) -- new
if fmt then
write_nl(format(fmt,...))
else
write_nl("")
end
end
local real, user, sub
function texlog.start_page_number()
real, user, sub = texcount.realpageno, texcount.userpageno, texcount.subpageno
end
local report_pages = logs.new("pages") -- not needed but saves checking when we grep for it
function texlog.stop_page_number()
if real > 0 then
if user > 0 then
if sub > 0 then
report_pages("flushing realpage %s, userpage %s, subpage %s",real,user,sub)
else
report_pages("flushing realpage %s, userpage %s",real,user)
end
else
report_pages("flushing realpage %s",real)
end
else
report_pages("flushing page")
end
io.flush()
end
texlog.report_job_stat = statistics and statistics.showjobstat
-- xml logging
local xmllog = { } logs.xml = xmllog setmetatable(xmllog, { __index = noplog })
function xmllog.report(category,fmt,s,...) -- new
if s then
write_nl(format("<r category='%s'>%s</r>",category,format(fmt,s,...)))
elseif fmt then
write_nl(format("<r category='%s'>%s</r>",category,fmt))
else
write_nl(format("<r category='%s'/>",category))
end
end
function xmllog.status(category,fmt,s,...)
if s then
write_nl(format("<s category='%s'>%s</r>",category,format(fmt,s,...)))
elseif fmt then
write_nl(format("<s category='%s'>%s</r>",category,fmt))
else
write_nl(format("<s category='%s'/>",category))
end
end
function xmllog.line(fmt,...) -- new
if fmt then
write_nl(format("<r>%s</r>",format(fmt,...)))
else
write_nl("<r/>")
end
end
function xmllog.start() write_nl("<%s>" ) end
function xmllog.stop () write_nl("</%s>") end
function xmllog.push () write_nl("<!-- ") end
function xmllog.pop () write_nl(" -->" ) end
function xmllog.start_run()
write_nl("<?xml version='1.0' standalone='yes'?>")
write_nl("<job>") -- xmlns='www.pragma-ade.com/luatex/schemas/context-job.rng'
write_nl("")
end
function xmllog.stop_run()
write_nl("</job>")
end
function xmllog.start_page_number()
write_nl(format("<p real='%s' page='%s' sub='%s'", texcount.realpageno, texcount.userpageno, texcount.subpageno))
end
function xmllog.stop_page_number()
write("/>")
write_nl("")
end
function xmllog.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 xmllog.report_output_log()
-- nothing
end
function xmllog.report_tex_stat(k,v)
write_nl("log","<v k='"..k.."'>"..tostring(v).."</v>")
end
local nesting = 0
function xmllog.show_open(name)
nesting = nesting + 1
write_nl(format("<f l='%s' n='%s'>",nesting,name))
end
function xmllog.show_close(name)
write("</f> ")
nesting = nesting - 1
end
function xmllog.show_load(name)
write_nl(format("<f l='%s' n='%s'/>",nesting+1,name))
end
-- initialization
if tex and (tex.jobname or tex.formatname) then
-- todo: this can be set in mtxrun ... or maybe we should just forget about this alternative format
if (os.getenv("mtx.directives.logmethod") or os.getenv("mtx_directives_logmethod")) == "xml" then
logs.setmethod('xml')
else
logs.setmethod('tex')
end
else
logs.setmethod('nop')
end
-- logging in runners -> these are actually the nop loggers
local name, banner = 'report', 'context'
function noplog.report(category,fmt,...) -- todo: fmt,s
if fmt then
write_nl(format("%s | %s: %s",name,category,format(fmt,...)))
elseif category then
write_nl(format("%s | %s",name,category))
else
write_nl(format("%s |",name))
end
end
noplog.status = noplog.report -- just to be sure, never used
function noplog.simple(fmt,...) -- todo: fmt,s
if fmt then
write_nl(format("%s | %s",name,format(fmt,...)))
else
write_nl(format("%s |",name))
end
end
if utilities then
utilities.report = function(...) logs.simple(...) end
end
function logs.setprogram(newname,newbanner)
name, banner = newname, newbanner
end
function logs.extendbanner(newbanner)
banner = banner .. " | ".. newbanner
end
function logs.reportlines(str) -- todo: <lines></lines>
for line in gmatch(str,"(.-)[\n\r]") do
logs.report(line)
end
end
function logs.reportline() -- for scripts too
logs.report()
end
function logs.simpleline()
logs.report()
end
function logs.simplelines(str) -- todo: <lines></lines>
for line in gmatch(str,"(.-)[\n\r]") do
logs.simple(line)
end
end
function logs.reportbanner() -- for scripts too
logs.report(banner)
end
function logs.help(message,option)
logs.reportbanner()
logs.reportline()
logs.reportlines(message)
if option ~= "nomoreinfo" then
logs.reportline()
logs.reportlines(moreinfo)
end
end
-- logging to a file
--~ local syslogname = "oeps.xxx"
--~
--~ for i=1,10 do
--~ logs.system(syslogname,"context","test","fonts","font %s recached due to newer version (%s)","blabla","123")
--~ end
function logs.system(whereto,process,jobname,category,...)
local message = format("%s %s => %s => %s => %s\r",os.date("%d/%m/%y %H:%m:%S"),process,jobname,category,format(...))
for i=1,10 do
local f = io.open(whereto,"a")
if f then
f:write(message)
f:close()
break
else
sleep(0.1)
end
end
end
-- bonus
function logs.fatal(where,...)
logs.report(where,"fatal error: %s, aborting now",format(...))
os.exit()
end
--~ the traditional tex page number logging
--~
--~ function logs.tex.start_page_number()
--~ local real, user, sub = texcount.realpageno, texcount.userpageno, texcount.subpageno
--~ if real > 0 then
--~ if user > 0 then
--~ if sub > 0 then
--~ write(format("[%s.%s.%s",real,user,sub))
--~ else
--~ write(format("[%s.%s",real,user))
--~ end
--~ else
--~ write(format("[%s",real))
--~ end
--~ else
--~ write("[-")
--~ end
--~ end
--~
--~ function logs.tex.stop_page_number()
--~ write("]")
--~ end
function logs.obsolete(old,new)
local o = loadstring("return " .. new)()
if type(o) == "function" then
return function(...)
logs.report("system","function %s is obsolete, use %s",old,new)
loadstring(old .. "=" .. new .. " return ".. old)()(...)
end
elseif type(o) == "table" then
local t, m = { }, { }
m.__index = function(t,k)
logs.report("system","table %s is obsolete, use %s",old,new)
m.__index, m.__newindex = o, o
return o[k]
end
m.__newindex = function(t,k,v)
logs.report("system","table %s is obsolete, use %s",old,new)
m.__index, m.__newindex = o, o
o[k] = v
end
if libraries then
libraries.obsolete[old] = t -- true
end
setmetatable(t,m)
return t
end
end
if tex.error then
function logs.texerrormessage(...) -- for the moment we put this function here
tex.error(format(...), { })
end
else
function logs.texerrormessage(...) -- for the moment we put this function here
local v = format(...)
tex.sprint(tex.ctxcatcodes,"\\errmessage{")
tex.sprint(tex.vrbcatcodes,v)
tex.print(tex.ctxcatcodes,"}")
end
end
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