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if not modules then modules = { } end modules ['regi-ini'] = {
version = 1.001,
comment = "companion to regi-ini.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local utf = unicode.utf8
local char, utfchar, gsub = string.char, utf.char, string.gsub
--[[ldx--
<p>Regimes take care of converting the input characters into
<l n='utf'/> sequences. The conversion tables are loaded at
runtime.</p>
--ldx]]--
regimes = regimes or { }
local regimes = regimes
regimes.data = regimes.data or { }
local data = regimes.data
regimes.utf = regimes.utf or { }
-- regimes.synonyms = regimes.synonyms or { }
-- local synonyms = regimes.synonyms
--
-- if storage then
-- storage.register("regimes/synonyms", synonyms, "regimes.synonyms")
-- else
-- regimes.synonyms = { }
-- end
local synonyms = {
["windows-1250"] = "cp1250",
["windows-1251"] = "cp1251",
["windows-1252"] = "cp1252",
["windows-1253"] = "cp1253",
["windows-1254"] = "cp1254",
["windows-1255"] = "cp1255",
["windows-1256"] = "cp1256",
["windows-1257"] = "cp1257",
["windows-1258"] = "cp1258",
["il1"] = "8859-1",
["il2"] = "8859-2",
["il3"] = "8859-3",
["il4"] = "8859-4",
["il5"] = "8859-9",
["il6"] = "8859-10",
["il7"] = "8859-13",
["il8"] = "8859-14",
["il9"] = "8859-15",
["il10"] = "8859-16",
["iso-8859-1"] = "8859-1",
["iso-8859-2"] = "8859-2",
["iso-8859-3"] = "8859-3",
["iso-8859-4"] = "8859-4",
["iso-8859-9"] = "8859-9",
["iso-8859-10"] = "8859-10",
["iso-8859-13"] = "8859-13",
["iso-8859-14"] = "8859-14",
["iso-8859-15"] = "8859-15",
["iso-8859-16"] = "8859-16",
["latin1"] = "8859-1",
["latin2"] = "8859-2",
["latin3"] = "8859-3",
["latin4"] = "8859-4",
["latin5"] = "8859-9",
["latin6"] = "8859-10",
["latin7"] = "8859-13",
["latin8"] = "8859-14",
["latin9"] = "8859-15",
["latin10"] = "8859-16",
["utf-8"] = "utf",
["utf8"] = "utf",
["windows"] = "cp1252",
}
regimes.currentregime = "utf"
--[[ldx--
<p>We will hook regime handling code into the input methods.</p>
--ldx]]--
function regimes.number(n)
if type(n) == "string" then return tonumber(n,16) else return n end
end
function regimes.setsynonym(synonym,target) -- more or less obsolete
synonyms[synonym] = target
end
function regimes.truename(regime)
context((regime and synonyms[synonym] or regime) or regimes.currentregime)
end
function regimes.load(regime)
regime = synonyms[regime] or regime
if not data[regime] then
environment.loadluafile("regi-"..regime, 1.001)
if data[regime] then
regimes.utf[regime] = { }
for k,v in next, data[regime] do
regimes.utf[regime][char(k)] = utfchar(v)
end
end
end
end
function regimes.translate(line,regime)
regime = synonyms[regime] or regime
if regime and line then
local rur = regimes.utf[regime]
if rur then
return (gsub(line,"(.)",rur)) -- () redundant
end
end
return line
end
local sequencers = utilities.sequencers
local textfileactions = resolvers.openers.helpers.textfileactions
function regimes.process(s)
return regimes.translate(s,regimes.currentregime)
end
function regimes.enable(regime)
regime = synonyms[regime] or regime
if data[regime] then
regimes.currentregime = regime
sequencers.enableaction(textfileactions,"regimes.process")
else
sequencers.disableaction(textfileactions,"regimes.process")
end
end
function regimes.disable()
regimes.currentregime = "utf"
sequencers.disableaction(textfileactions,"regimes.process")
end
utilities.sequencers.prependaction(textfileactions,"system","regimes.process")
utilities.sequencers.disableaction(textfileactions,"regimes.process")
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