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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"
}
-- In fact all writes could go through lua and we could write the console and
-- terminal handler in lua then. Ok, maybe it's slower then, so a no-go.
--
-- This is the version for mtxrun. The alternative functions for the TeX engines
-- have been separated. In order to keep in sync we use tex specific witer names.
--
-- Todo: some cleanup (less local needed).
local next, type, select, print = next, type, select, print
local format, gmatch, find = string.format, string.gmatch, string.find
local concat, insert, remove = table.concat, table.insert, table.remove
local topattern = string.topattern
local utfchar = utf.char
local datetime = os.date
local openfile = io.open
local write_nl = print
local write = io.write
local setmetatableindex = table.setmetatableindex
local formatters = string.formatters
local settings_to_hash = utilities.parsers.settings_to_hash
local sortedkeys = table.sortedkeys
local variant = "default"
----- variant = "ansi"
logs = logs or { }
local logs = logs
local moreinfo = [[
More information about ConTeXt and the tools that come with it can be found at:
]] .. "\n" .. [[
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
]]
formatters.add (
formatters, "unichr",
[["U+" .. format("%%05X",%s) .. " (" .. utfchar(%s) .. ")"]]
)
formatters.add (
formatters, "chruni",
[[utfchar(%s) .. " (U+" .. format("%%05X",%s) .. ")"]]
)
-- basic loggers
local function ignore() end
setmetatableindex(logs, function(t,k) t[k] = ignore ; return ignore end)
local report, subreport, status, settarget, setformats, settranslations
local direct, subdirect, writer, pushtarget, poptarget, setlogfile, settimedlog, setprocessor, setformatters, newline
-- we use formatters but best check for % then because for simple messages but
-- we don't want this overhead for single messages (not that there are that
-- many; we could have a special weak table)
local function ansisupported(specification)
if specification ~= "ansi" and specification ~= "ansilog" then
return false
elseif os and os.enableansi then
return os.enableansi()
else
return false
end
end
do
local report_yes, subreport_yes, status_yes
local report_nop, subreport_nop, status_nop
local variants = {
default = {
formats = {
report_yes = formatters["%-15s | %s"],
report_nop = formatters["%-15s |"],
subreport_yes = formatters["%-15s | %s | %s"],
subreport_nop = formatters["%-15s | %s |"],
status_yes = formatters["%-15s : %s\n"],
status_nop = formatters["%-15s :\n"],
},
},
ansi = {
formats = {
report_yes = formatters["[0;32m%-15s [0;1m|[0m %s"],
report_nop = formatters["[0;32m%-15s [0;1m|[0m"],
subreport_yes = formatters["[0;32m%-15s [0;1m|[0;31m %s [0;1m|[0m %s"],
subreport_nop = formatters["[0;32m%-15s [0;1m|[0;31m %s [0;1m|[0m"],
status_yes = formatters["[0;32m%-15s [0;1m:[0m %s\n"],
status_nop = formatters["[0;32m%-15s [0;1m:[0m\n"],
},
},
}
logs.flush = ignore
writer = function(s)
write_nl(s)
end
newline = function()
write_nl("\n")
end
report = function(a,b,c,...)
if c then
write_nl(report_yes(a,formatters[b](c,...)))
elseif b then
write_nl(report_yes(a,b))
elseif a then
write_nl(report_nop(a))
else
write_nl("")
end
end
subreport = function(a,sub,b,c,...)
if c then
write_nl(subreport_yes(a,sub,formatters[b](c,...)))
elseif b then
write_nl(subreport_yes(a,sub,b))
elseif a then
write_nl(subreport_nop(a,sub))
else
write_nl("")
end
end
status = function(a,b,c,...) -- not to be used in lua anyway
if c then
write_nl(status_yes(a,formatters[b](c,...)))
elseif b then
write_nl(status_yes(a,b)) -- b can have %'s
elseif a then
write_nl(status_nop(a))
else
write_nl("\n")
end
end
direct = ignore
subdirect = ignore
settarget = ignore
pushtarget = ignore
poptarget = ignore
setformats = ignore
settranslations = ignore
setprocessor = function(f)
local writeline = write_nl
write_nl = function(s)
writeline(f(s))
end
end
setformatters = function(specification)
local f = nil
local d = variants.default
if specification then
if type(specification) == "table" then
f = specification.formats or specification
else
if not ansisupported(specification) then
specification = "default"
end
local v = variants[specification]
if v then
f = v.formats
end
end
end
if f then
d = d.formats
else
f = d.formats
d = f
end
setmetatableindex(f,d)
report_yes = f.report_yes
report_nop = f.report_nop
subreport_yes = f.subreport_yes
subreport_nop = f.subreport_nop
status_yes = f.status_yes
status_nop = f.status_nop
end
setformatters(variant)
setlogfile = function(name,keepopen)
if name and name ~= "" then
local localtime = os.localtime
local writeline = write_nl
if keepopen then
local f = io.open(name,"ab")
write_nl = function(s)
writeline(s)
f:write(localtime()," | ",s,"\n")
end
else
write_nl = function(s)
writeline(s)
local f = io.open(name,"ab")
f:write(localtime()," | ",s,"\n")
f:close()
end
end
end
setlogfile = ignore
end
settimedlog = function()
local localtime = os.localtime
local writeline = write_nl
write_nl = function(s)
writeline(localtime() .. " | " .. s)
end
settimedlog = ignore
end
end
logs.report = report
logs.subreport = subreport
logs.status = status
logs.settarget = settarget
logs.pushtarget = pushtarget
logs.poptarget = poptarget
logs.setformats = setformats
logs.settranslations = settranslations
logs.setlogfile = setlogfile
logs.settimedlog = settimedlog
logs.setprocessor = setprocessor
logs.setformatters = setformatters
logs.direct = direct
logs.subdirect = subdirect
logs.writer = writer
logs.newline = newline
-- installer
-- todo: renew (un) locks when a new one is added and wildcard
local data = { }
local states = nil
local force = false
function logs.reporter(category,subcategory)
local logger = data[category]
if not logger then
local state = states == true
if not state and type(states) == "table" then
for c, _ in next, states do
if find(category,c) then
state = true
break
end
end
end
logger = {
reporters = { },
state = state,
}
data[category] = logger
end
local reporter = logger.reporters[subcategory or "default"]
if not reporter then
if subcategory then
reporter = function(...)
if force or not logger.state then
subreport(category,subcategory,...)
end
end
logger.reporters[subcategory] = reporter
else
local tag = category
reporter = function(...)
if force or not logger.state then
report(category,...)
end
end
logger.reporters.default = reporter
end
end
return reporter
end
logs.new = logs.reporter -- for old times sake
-- context specicific: this ends up in the macro stream
local ctxreport = logs.writer
function logs.setmessenger(m)
ctxreport = m
end
function logs.messenger(category,subcategory)
-- we need to avoid catcode mess (todo: fast context)
if subcategory then
return function(...)
ctxreport(subdirect(category,subcategory,...))
end
else
return function(...)
ctxreport(direct(category,...))
end
end
end
-- so far
local function setblocked(category,value) -- v.state == value == true : disable
if category == true or category == "all" then
-- lock all
category, value = "*", true
elseif category == false then
-- unlock all
category, value = "*", false
elseif value == nil then
-- lock selective
value = true
end
if category == "*" then
states = value
for k, v in next, data do
v.state = value
end
else
alllocked = false
states = settings_to_hash(category,type(states)=="table" and states or nil)
for c in next, states do
local v = data[c]
if v then
v.state = value
else
c = topattern(c,true,true)
for k, v in next, data do
if find(k,c) then
v.state = value
end
end
end
end
end
end
function logs.disable(category,value)
setblocked(category,value == nil and true or value)
end
function logs.enable(category)
setblocked(category,false)
end
function logs.categories()
return sortedkeys(data)
end
function logs.show()
local n, c, s, max = 0, 0, 0, 0
for category, v in table.sortedpairs(data) do
n = n + 1
local state = v.state
local reporters = v.reporters
local nc = #category
if nc > c then
c = nc
end
for subcategory, _ in next, reporters do
local ns = #subcategory
if ns > c then
s = ns
end
local m = nc + ns
if m > max then
max = m
end
end
local subcategories = concat(sortedkeys(reporters),", ")
if state == true then
state = "disabled"
elseif state == false then
state = "enabled"
else
state = "unknown"
end
-- no new here
report("logging","category %a, subcategories %a, state %a",category,subcategories,state)
end
report("logging","categories: %s, max category: %s, max subcategory: %s, max combined: %s",n,c,s,max)
end
local delayed_reporters = { }
setmetatableindex(delayed_reporters,function(t,k)
local v = logs.reporter(k.name)
t[k] = v
return v
end)
function utilities.setters.report(setter,...)
delayed_reporters[setter](...)
end
directives.register("logs.blocked", function(v)
setblocked(v,true)
end)
directives.register("logs.target", function(v)
settarget(v)
end)
-- we don't have show_open and show_close callbacks yet
----- report_files = logs.reporter("files")
local nesting = 0
local verbose = false
local hasscheme = url.hasscheme
-- there may be scripts out there using this:
local simple = logs.reporter("comment")
logs.simple = simple
logs.simpleline = simple
-- obsolete
logs.setprogram = ignore -- obsolete
logs.extendbanner = ignore -- obsolete
logs.reportlines = ignore -- obsolete
logs.reportbanner = ignore -- obsolete
logs.reportline = ignore -- obsolete
logs.simplelines = ignore -- obsolete
logs.help = ignore -- obsolete
-- applications
local Carg, C, lpegmatch = lpeg.Carg, lpeg.C, lpeg.match
local p_newline = lpeg.patterns.newline
local linewise = (
Carg(1) * C((1-p_newline)^1) / function(t,s) t.report(s) end
+ Carg(1) * p_newline^2 / function(t) t.report() end
+ p_newline
)^1
local function reportlines(t,str)
if str then
lpegmatch(linewise,str,1,t)
end
end
local function reportbanner(t)
local banner = t.banner
if banner then
t.report(banner)
t.report()
end
end
local function reportversion(t)
local banner = t.banner
if banner then
t.report(banner)
end
end
local function reporthelp(t,...)
local helpinfo = t.helpinfo
if type(helpinfo) == "string" then
reportlines(t,helpinfo)
elseif type(helpinfo) == "table" then
for i=1,select("#",...) do
reportlines(t,t.helpinfo[select(i,...)])
if i < n then
t.report()
end
end
end
end
local function reportinfo(t)
t.report()
reportlines(t,t.moreinfo)
end
local function reportexport(t,method)
report(t.helpinfo)
end
local reporters = {
lines = reportlines, -- not to be overloaded
banner = reportbanner,
version = reportversion,
help = reporthelp,
info = reportinfo,
export = reportexport,
}
local exporters = {
-- empty
}
logs.reporters = reporters
logs.exporters = exporters
function logs.application(t)
--
local arguments = environment and environment.arguments
if arguments then
local ansi = arguments.ansi or arguments.ansilog
if ansi then
logs.setformatters(arguments.ansi and "ansi" or "ansilog")
end
end
--
t.name = t.name or "unknown"
t.banner = t.banner
t.moreinfo = moreinfo
t.report = logs.reporter(t.name)
t.help = function(...)
reporters.banner(t)
reporters.help(t,...)
reporters.info(t)
end
t.export = function(...)
reporters.export(t,...)
end
t.identify = function()
reporters.banner(t)
end
t.version = function()
reporters.version(t)
end
return t
end
-- somewhat special .. will be redone (already a better solution in place in lmx)
-- 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
local f_syslog = formatters["%s %s => %s => %s => %s\r"]
function logs.system(whereto,process,jobname,category,fmt,arg,...)
local message = f_syslog(datetime("%d/%m/%y %H:%m:%S"),process,jobname,category,arg == nil and fmt or format(fmt,arg,...))
for i=1,10 do
local f = openfile(whereto,"a") -- we can consider keeping the file open
if f then
f:write(message)
f:close()
break
else
sleep(0.1)
end
end
end
local report_system = logs.reporter("system","logs")
if utilities then
utilities.report = report_system
end
-- this is somewhat slower but prevents out-of-order messages when print is mixed
-- with texio.write
-- io.stdout:setvbuf('no')
-- io.stderr:setvbuf('no')
-- windows: > nul 2>&1
-- unix : > null 2>&1
if package.helpers.report then
package.helpers.report = logs.reporter("package loader") -- when used outside mtxrun
end
|