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if not modules then modules = { } end modules ['data-use'] = {
version = 1.001,
comment = "companion to luat-lib.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local format, lower, gsub, find = string.format, string.lower, string.gsub, string.find
local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end)
local report_mounts = logs.reporter("resolvers","mounts")
local resolvers = resolvers
-- we will make a better format, maybe something xml or just text or lua
resolvers.automounted = resolvers.automounted or { }
function resolvers.automount(usecache)
local mountpaths = resolvers.cleanpathlist(resolvers.expansion('TEXMFMOUNT'))
if (not mountpaths or #mountpaths == 0) and usecache then
mountpaths = caches.getreadablepaths("mount")
end
if mountpaths and #mountpaths > 0 then
statistics.starttiming(resolvers.instance)
for k=1,#mountpaths do
local root = mountpaths[k]
local f = io.open(root.."/url.tmi")
if f then
for line in f:lines() do
if line then
if find(line,"^[%%#%-]") then -- or %W
-- skip
elseif find(line,"^zip://") then
if trace_locating then
report_mounts("mounting %a",line)
end
table.insert(resolvers.automounted,line)
resolvers.usezipfile(line)
end
end
end
f:close()
end
end
statistics.stoptiming(resolvers.instance)
end
end
-- status info
statistics.register("used config file", function() return caches.configfiles() end)
statistics.register("used cache path", function() return caches.usedpaths() end)
-- experiment (code will move)
function statistics.savefmtstatus(texname,formatbanner,sourcefile) -- texname == formatname
local enginebanner = status.banner
if formatbanner and enginebanner and sourcefile then
local luvname = file.replacesuffix(texname,"luv") -- utilities.lua.suffixes.luv
local luvdata = {
enginebanner = enginebanner,
formatbanner = formatbanner,
sourcehash = md5.hex(io.loaddata(resolvers.findfile(sourcefile)) or "unknown"),
sourcefile = sourcefile,
}
io.savedata(luvname,table.serialize(luvdata,true))
end
end
-- todo: check this at startup and return (say) 999 as signal that the run
-- was aborted due to a wrong format in which case mtx-context can trigger
-- a remake
function statistics.checkfmtstatus(texname)
local enginebanner = status.banner
if enginebanner and texname then
local luvname = file.replacesuffix(texname,"luv") -- utilities.lua.suffixes.luv
if lfs.isfile(luvname) then
local luv = dofile(luvname)
if luv and luv.sourcefile then
local sourcehash = md5.hex(io.loaddata(resolvers.findfile(luv.sourcefile)) or "unknown")
local luvbanner = luv.enginebanner or "?"
if luvbanner ~= enginebanner then
return format("engine mismatch (luv: %s <> bin: %s)",luvbanner,enginebanner)
end
local luvhash = luv.sourcehash or "?"
if luvhash ~= sourcehash then
return format("source mismatch (luv: %s <> bin: %s)",luvhash,sourcehash)
end
else
return "invalid status file"
end
else
return "missing status file"
end
end
return true
end
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