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if not modules then modules = { } end modules ['mult-clm'] = {
version = 1.001,
comment = "companion to mult-clm.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- another experiment
-- todo: multilingual
local texsprint, ctxcatcodes, vrbcatcodes = tex.sprint, tex.ctxcatcodes, tex.vrbcatcodes
local format, insert, remove, concat = string.format, table.insert, table.remove, table.concat
local unpack = unpack or table.unpack
local trace_define = false trackers.register("context.define", function(v) trace_define = v end)
mkiv = mkiv or { }
mkiv.h, mkiv.a = aux.settings_to_hash, aux.settings_to_array
local starters, stoppers, macros, stack = { }, { }, { }, { }
local checkers = {
"\\dosingleempty",
"\\dodoubleempty",
"\\dotripleempty",
"\\doquadrupleempty",
"\\doquintupleempty",
"\\dosixtupleempty",
}
function mkiv.m(name,...)
macros[name](...)
end
function mkiv.b(name,...)
local sn = stack[name]
insert(sn,{...})
starters[name](...)
end
function mkiv.e(name)
local sn = stack[name]
local sv = remove(sn)
if sv then
stoppers[name](unpack(sv))
else
-- nesting error
end
end
mkiv.n = tonumber
function mkiv.define(name,specification) -- name is optional
if type(name) == "table" then
specification = name
name = specification.name
end
if name and specification then
local arguments = specification.arguments
local na = (arguments and #arguments) or 0
local environment = specification.environment
if na == 0 then
if environment then
texsprint(ctxcatcodes,"\\defmkstart{",name,"}{\\ctxlua{mkiv.b('",name,"')}}")
texsprint(ctxcatcodes,"\\defmkstop{", name,"}{\\ctxlua{mkiv.b('",name,"')}}")
else
texsprint(ctxcatcodes,"\\defmkiv{", name,"}{\\ctxlua{mkiv.m('",name,"')}}")
end
else
stack[name] = { }
local opt, done = 0, false
local mkivdo = "\\mkivdo" .. name
texsprint(ctxcatcodes,"\\def",mkivdo)
for i=1,na do
local a = arguments[i]
local kind = a[1]
if kind == "option" then
texsprint(ctxcatcodes,"[#",i,"]")
if not done then
opt = opt + 1
end
else
done = true -- no more optional checking after this
texsprint(ctxcatcodes,"#",i)
end
end
if environment then
texsprint(ctxcatcodes,"{\\ctxlua{mkiv.b('",name,"'")
else
texsprint(ctxcatcodes,"{\\ctxlua{mkiv.m('",name,"'")
end
for i=1,na do
local a = arguments[i]
local kind = a[2]
if kind == "list" then
texsprint(ctxcatcodes,",mkiv.a([[#",i,"]])")
elseif kind == "hash" then
texsprint(ctxcatcodes,",mkiv.h([[#",i,"]])")
elseif kind == "number" then
texsprint(ctxcatcodes,",mkiv.n([[#",i,"]])")
else
texsprint(ctxcatcodes,",[[#",i,"]]")
end
end
texsprint(ctxcatcodes,")}}")
if environment then
texsprint(ctxcatcodes,"\\defmkivstop{" ,name,"}{\\ctxlua{mkiv.e('",name,"')}}")
texsprint(ctxcatcodes,"\\defmkivstart{",name,"}{",checkers[opt],mkivdo,"}")
else
texsprint(ctxcatcodes,"\\defmkiv{", name,"}{",checkers[opt],mkivdo,"}")
end
end
if environment then
starters[name] = specification.starter
stoppers[name] = specification.stopper
else
macros[name] = specification.macro
end
end
end
function mkiv.tolist(t)
local r = { }
for i=1,#t do
r[i] = t[i]
end
for k,v in table.sortedhash(t) do
if type(k) ~= "number" then
r[#r+1] = k .. "=" .. v
end
end
return concat(r,", ")
end
--~ \startluacode
--~ function test(opt_1, opt_2, arg_1)
--~ context.startnarrower()
--~ context("options 1: %s",mkiv.tolist(opt_1))
--~ context.par()
--~ context("options 2: %s",mkiv.tolist(opt_2))
--~ context.par()
--~ context("argument 1: %s",arg_1)
--~ context.stopnarrower()
--~ end
--~ mkiv.define {
--~ name = "test",
--~ arguments = {
--~ { "option", "list" },
--~ { "option", "hash" },
--~ { "content", "string" },
--~ },
--~ macro = test,
--~ }
--~ \stopluacode
--~ test: \test[1][a=3]{whatever}
--~ \startluacode
--~ local function startmore(opt_1)
--~ context.startnarrower()
--~ context("start more, options: %s",mkiv.tolist(opt_1))
--~ context.startnarrower()
--~ end
--~ local function stopmore(opt_1)
--~ context.stopnarrower()
--~ context("stop more, options: %s",mkiv.tolist(opt_1))
--~ context.stopnarrower()
--~ end
--~ mkiv.define ( "more", {
--~ environment = true,
--~ arguments = {
--~ { "option", "list" },
--~ },
--~ starter = startmore,
--~ stopper = stopmore,
--~ } )
--~ \stopluacode
--~ more: \startmore[1] one \startmore[2] two \stopmore one \stopmore
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