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|
-- filename : luat-zip.lua
-- 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
if not versions then versions = { } end versions['luat-tex'] = 1.001
-- special functions that deal with io
if texconfig and not texlua then
input.level = input.level or 0
if input.logmode() == 'xml' then
function input.show_open(name)
input.level = input.level + 1
texio.write_nl("<f l='"..input.level.."' n='"..name.."'>")
end
function input.show_close(name)
texio.write("</f> ")
input.level = input.level - 1
end
function input.show_load(name)
texio.write_nl("<f l='"..(input.level+1).."' n='"..name.."'/>") -- level?
end
else
function input.show_open () end
function input.show_close() end
function input.show_load () end
end
function input.finders.generic(instance,tag,filename,filetype)
local foundname = input.find_file(instance,filename,filetype)
if foundname and foundname ~= "" then
input.logger('+ ' .. tag .. ' finder',filename,'filetype')
return foundname
else
input.logger('- ' .. tag .. ' finder',filename,'filetype')
return unpack(input.finders.notfound)
end
end
input.filters.dynamic_translator = nil
input.filters.frozen_translator = nil
input.filters.utf_translator = nil
function input.openers.text_opener(filename,file_handle,tag)
local u = unicode.utftype(file_handle)
local t = { }
if u > 0 then
input.logger('+ ' .. tag .. ' opener (' .. unicode.utfname[u] .. ')',filename)
local l
if u > 2 then
l = unicode.utf32_to_utf8(file_handle:read("*a"),u==4)
else
l = unicode.utf16_to_utf8(file_handle:read("*a"),u==2)
end
file_handle:close()
t = {
utftype = u, -- may go away
lines = l,
current = 0, -- line number, not really needed
handle = nil,
noflines = #l,
close = function()
input.logger('= ' .. tag .. ' closer (' .. unicode.utfname[u] .. ')',filename)
input.show_close(filename)
end,
--~ getline = function(n)
--~ local line = t.lines[n]
--~ if not line or line == "" then
--~ return ""
--~ else
--~ local translator = input.filters.utf_translator
--~ return (translator and translator(line)) or line
--~ end
--~ end,
reader = function(self)
self = self or t
local current, lines = self.current, self.lines
if current >= #lines then
return nil
else
current = current + 1
self.current = current
local line = lines[current]
if line == "" then
return ""
else
local translator = input.filters.utf_translator
-- return (translator and translator(line)) or line
if translator then
return translator(line)
else
return line
end
end
end
end
}
else
input.logger('+ ' .. tag .. ' opener',filename)
-- todo: file;name -> freeze / eerste regel scannen -> freeze
local filters = input.filters
t = {
reader = function(self)
local line = file_handle:read()
if line == "" then
return ""
end
local translator = filters.utf_translator
if translator then
return translator(line)
end
translator = filters.dynamic_translator
if translator then
return translator(line)
end
return line
end,
close = function()
input.logger('= ' .. tag .. ' closer',filename)
input.show_close(filename)
file_handle:close()
end,
handle = function()
return file_handle
end,
noflines = function()
t.noflines = io.noflines(file_handle)
return t.noflines
end
}
end
return t
end
function input.openers.generic(instance,tag,filename)
if filename and filename ~= "" then
local f = io.open(filename,"r")
if f then
input.show_open(filename)
return input.openers.text_opener(filename,f,tag)
end
end
input.logger('- ' .. tag .. ' opener',filename)
return unpack(input.openers.notfound)
end
function input.loaders.generic(instance,tag,filename)
if filename and filename ~= "" then
local f = io.open(filename,"rb")
if f then
input.show_load(filename)
input.logger('+ ' .. tag .. ' loader',filename)
local s = f:read("*a")
f:close()
if s then
return true, s, #s
end
end
end
input.logger('- ' .. tag .. ' loader',filename)
return unpack(input.loaders.notfound)
end
function input.finders.tex(instance,filename,filetype)
return input.finders.generic(instance,'tex',filename,filetype)
end
function input.openers.tex(instance,filename)
return input.openers.generic(instance,'tex',filename)
end
function input.loaders.tex(instance,filename)
return input.loaders.generic(instance,'tex',filename)
end
end
-- callback into the file io and related things; disabling kpse
if texconfig and not texlua then do
-- this is not the right place, because we refer to quite some not yet defined tables, but who cares ...
ctx = ctx or { }
local ss = { }
function ctx.writestatus(a,b)
local s = ss[a]
if not ss[a] then
s = a:rpadd(15) .. ": "
ss[a] = s
end
texio.write_nl(s .. b .. "\n")
end
-- this will become: ctx.install_statistics(fnc() return ..,.. end) etc
local statusinfo, n = { }, 0
function ctx.register_statistics(tag,pattern,fnc)
statusinfo[#statusinfo+1] = { tag, pattern, fnc }
if #tag > n then n = #tag end
end
function ctx.show_statistics() -- todo: move calls
if caches then
ctx.register_statistics("used config path", "%s", function() return caches.configpath(texmf.instance) end)
ctx.register_statistics("used cache path", "%s", function() return caches.path end)
end
if status.luabytecodes > 0 and input.storage and input.storage.done then
ctx.register_statistics("modules/dumps/instances", "%s/%s/%s", function() return status.luabytecodes-500, input.storage.done, status.luastates end)
end
if texmf.instance then
ctx.register_statistics("input load time", "%s seconds", function() return input.loadtime(texmf.instance) end)
end
if fonts then
ctx.register_statistics("fonts load time","%s seconds", function() return input.loadtime(fonts) end)
end
if xml then
ctx.register_statistics("xml load time", "%s seconds, backreferences: %i, outer filtering time: %s", function() return input.loadtime(xml), #lxml.self, input.loadtime(lxml) end)
end
if mptopdf then
ctx.register_statistics("mps conversion time", "%s seconds", function() return input.loadtime(mptopdf) end)
end
if nodes then
ctx.register_statistics("node processing time", "%s seconds (including kernel)", function() return input.loadtime(nodes) end)
end
if kernel then
ctx.register_statistics("kernel processing time", "%s seconds", function() return input.loadtime(kernel) end)
end
if attributes then
ctx.register_statistics("attribute processing time", "%s seconds", function() return input.loadtime(attributes) end)
end
if languages then
ctx.register_statistics("language load time", "%s seconds, n=%s", function() return input.loadtime(languages), languages.hyphenation.n() end)
end
if figures then
ctx.register_statistics("graphics processing time", "%s seconds, n=%s (including tex)", function() return input.loadtime(figures), figures.n or "?" end)
end
if metapost then
ctx.register_statistics("metapost processing time", "%s seconds, loading: %s seconds, execution: %s seconds, n: %s", function() return input.loadtime(metapost), input.loadtime(mplib), input.loadtime(metapost.exectime), metapost.n end)
end
if status.luastate_bytes then
ctx.register_statistics("current memory usage", "%s bytes", function() return status.luastate_bytes end)
end
if nodes then
ctx.register_statistics("cleaned up reserved nodes", "%s nodes, %s lists of %s", function() return nodes.cleanup_reserved(tex.count[24]) end) -- \topofboxstack
end
if status.node_mem_usage then
ctx.register_statistics("node memory usage", "%s", function() return status.node_mem_usage end)
end
if languages then
ctx.register_statistics("loaded patterns", "%s", function() return languages.logger.report() end)
end
if fonts then
ctx.register_statistics("loaded fonts", "%s", function() return fonts.logger.report() end)
end
if xml then -- so we are in mkiv, we need a different check
ctx.register_statistics("runtime", "%s seconds, %i processed pages, %i shipped pages, %.3f pages/second", function()
input.stoptiming(texmf)
local runtime = input.loadtime(texmf)
local shipped = tex.count['nofshipouts']
local pages = tex.count['realpageno'] - 1
local persecond = shipped / runtime
return runtime, pages, shipped, persecond
end)
end
for _, t in ipairs(statusinfo) do
local tag, pattern, fnc = t[1], t[2], t[3]
ctx.writestatus("mkiv lua stats", string.format("%s - %s", tag:rpadd(n," "), pattern:format(fnc())))
end
end
end end
if texconfig and not texlua then
texconfig.kpse_init = false
texconfig.trace_file_names = input.logmode() == 'tex'
texconfig.max_print_line = 100000
-- if still present, we overload kpse (put it off-line so to say)
if not texmf then texmf = { } end
input.starttiming(texmf)
if not texmf.instance then
if not texmf.instance then -- prevent a second loading
texmf.instance = input.reset()
texmf.instance.progname = environment.progname or 'context'
texmf.instance.engine = environment.engine or 'luatex'
texmf.instance.validfile = input.validctxfile
input.load(texmf.instance)
end
if callback then
callback.register('find_read_file' , function(id,name) return input.findtexfile(texmf.instance,name) end)
callback.register('open_read_file' , function( name) return input.opentexfile(texmf.instance,name) end)
end
if callback then
callback.register('find_data_file' , function(name) return input.findbinfile(texmf.instance,name,"tex") end)
callback.register('find_enc_file' , function(name) return input.findbinfile(texmf.instance,name,"enc") end)
callback.register('find_font_file' , function(name) return input.findbinfile(texmf.instance,name,"tfm") end)
callback.register('find_format_file' , function(name) return input.findbinfile(texmf.instance,name,"fmt") end)
callback.register('find_image_file' , function(name) return input.findbinfile(texmf.instance,name,"tex") end)
callback.register('find_map_file' , function(name) return input.findbinfile(texmf.instance,name,"map") end)
callback.register('find_ocp_file' , function(name) return input.findbinfile(texmf.instance,name,"ocp") end)
callback.register('find_opentype_file' , function(name) return input.findbinfile(texmf.instance,name,"otf") end)
callback.register('find_output_file' , function(name) return name end)
callback.register('find_pk_file' , function(name) return input.findbinfile(texmf.instance,name,"pk") end)
callback.register('find_sfd_file' , function(name) return input.findbinfile(texmf.instance,name,"sfd") end)
callback.register('find_truetype_file' , function(name) return input.findbinfile(texmf.instance,name,"ttf") end)
callback.register('find_type1_file' , function(name) return input.findbinfile(texmf.instance,name,"pfb") end)
callback.register('find_vf_file' , function(name) return input.findbinfile(texmf.instance,name,"vf") end)
callback.register('read_data_file' , function(file) return input.loadbinfile(texmf.instance,file,"tex") end)
callback.register('read_enc_file' , function(file) return input.loadbinfile(texmf.instance,file,"enc") end)
callback.register('read_font_file' , function(file) return input.loadbinfile(texmf.instance,file,"tfm") end)
-- format
-- image
callback.register('read_map_file' , function(file) return input.loadbinfile(texmf.instance,file,"map") end)
callback.register('read_ocp_file' , function(file) return input.loadbinfile(texmf.instance,file,"ocp") end)
callback.register('read_opentype_file' , function(file) return input.loadbinfile(texmf.instance,file,"otf") end)
-- output
callback.register('read_pk_file' , function(file) return input.loadbinfile(texmf.instance,file,"pk") end)
callback.register('read_sfd_file' , function(file) return input.loadbinfile(texmf.instance,file,"sfd") end)
callback.register('read_truetype_file' , function(file) return input.loadbinfile(texmf.instance,file,"ttf") end)
callback.register('read_type1_file' , function(file) return input.loadbinfile(texmf.instance,file,"pfb") end)
callback.register('read_vf_file' , function(file) return input.loadbinfile(texmf.instance,file,"vf" ) end)
end
if callback and environment.aleph_mode then
callback.register('find_font_file' , function(name) return input.findbinfile(texmf.instance,name,"ofm") end)
callback.register('read_font_file' , function(file) return input.loadbinfile(texmf.instance,file,"ofm") end)
callback.register('find_vf_file' , function(name) return input.findbinfile(texmf.instance,name,"ovf") end)
callback.register('read_vf_file' , function(file) return input.loadbinfile(texmf.instance,file,"ovf") end)
end
if callback then
callback.register('find_write_file' , function(id,name) return name end)
end
if callback and (not config or (#config == 0)) then
callback.register('find_format_file' , function(name) return name end)
end
if callback and false then
for k, v in pairs(callback.list()) do
if not v then texio.write_nl("<w>callback "..k.." is not set</w>") end
end
end
if callback then
input.start_actions = { }
input.stop_actions = { }
function input.register_start_actions(f) table.insert(input.start_actions, f) end
function input.register_stop_actions (f) table.insert(input.stop_actions, f) end
--~ callback.register('start_run', function() for _, a in pairs(input.start_actions) do a() end end)
--~ callback.register('stop_run' , function() for _, a in pairs(input.stop_actions ) do a() end end)
end
if callback then
if input.logmode() == 'xml' then
function input.start_page_number()
texio.write_nl("<p real='" .. tex.count[0] .. "' page='"..tex.count[1].."' sub='"..tex.count[2].."'")
end
function input.stop_page_number()
texio.write("/>")
texio.write_nl("")
end
callback.register('start_page_number' , input.start_page_number)
callback.register('stop_page_number' , input.stop_page_number )
function input.report_output_pages(p,b)
texio.write_nl("<v k='pages'>"..p.."</v>")
texio.write_nl("<v k='bytes'>"..b.."</v>")
texio.write_nl("")
end
function input.report_output_log()
end
callback.register('report_output_pages', input.report_output_pages)
callback.register('report_output_log' , input.report_output_log )
function input.start_run()
texio.write_nl("<?xml version='1.0' standalone='yes'?>")
texio.write_nl("<job xmlns='www.tug.org/luatex/schemas/context-job.rng'>")
texio.write_nl("")
end
function input.stop_run()
texio.write_nl("</job>")
end
function input.show_statistics()
for k,v in pairs(status.list()) do
texio.write_nl("log","<v k='"..k.."'>"..tostring(v).."</v>")
end
end
table.insert(input.start_actions, input.start_run)
table.insert(input.stop_actions , input.show_statistics)
table.insert(input.stop_actions , input.stop_run)
else
table.insert(input.stop_actions , input.show_statistics)
end
callback.register('start_run', function() for _, a in pairs(input.start_actions) do a() end end)
callback.register('stop_run' , function() for _, a in pairs(input.stop_actions ) do a() end ctx.show_statistics() end)
end
end
if kpse then
function kpse.find_file(filename,filetype,mustexist)
return input.find_file(texmf.instance,filename,filetype,mustexist)
end
function kpse.expand_path(variable)
return input.expand_path(texmf.instance,variable)
end
function kpse.expand_var(variable)
return input.expand_var(texmf.instance,variable)
end
function kpse.expand_braces(variable)
return input.expand_braces(texmf.instance,variable)
end
end
end
-- program specific configuration (memory settings and alike)
if texconfig and not texlua then
luatex = luatex or { }
luatex.variablenames = {
'main_memory', 'extra_mem_bot', 'extra_mem_top',
'buf_size','expand_depth',
'font_max', 'font_mem_size',
'hash_extra', 'max_strings', 'pool_free', 'pool_size', 'string_vacancies',
'obj_tab_size', 'pdf_mem_size', 'dest_names_size',
'nest_size', 'param_size', 'save_size', 'stack_size',
'trie_size', 'hyph_size', 'max_in_open',
'ocp_stack_size', 'ocp_list_size', 'ocp_buf_size'
}
function luatex.variables()
local t, x = { }, nil
for _,v in pairs(luatex.variablenames) do
x = input.var_value(texmf.instance,v)
if x and x:find("^%d+$") then
t[v] = tonumber(x)
end
end
return t
end
function luatex.setvariables(tab)
for k,v in pairs(luatex.variables()) do
tab[k] = v
end
end
if not luatex.variables_set then
luatex.setvariables(texconfig)
luatex.variables_set = true
end
texconfig.max_print_line = 100000
texconfig.max_in_open = 127
end
-- some tex basics
if not cs then cs = { } end
function cs.def(k,v)
tex.sprint(tex.texcatcodes, "\\def\\" .. k .. "{" .. v .. "}")
end
function cs.chardef(k,v)
tex.sprint(tex.texcatcodes, "\\chardef\\" .. k .. "=" .. v .. "\\relax")
end
function cs.boolcase(b)
if b then tex.write(1) else tex.write(0) end
end
function cs.testcase(b)
if b then
tex.sprint(tex.texcatcodes, "\\firstoftwoarguments")
else
tex.sprint(tex.texcatcodes, "\\secondoftwoarguments")
end
end
|