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|
if not modules then modules = { } end modules ['mtx-unicode'] = {
version = 1.002,
comment = "companion to mtxrun.lua",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- This is very old code that I started writing in 2005 but occasionally
-- extended. Don't use it yourself, it's just a sort of reference. The
-- data that we use in ConTeXt is more extensive.
--
-- In my local tree I keep files in places like this:
--
-- e:/tex-context/tex/texmf-local/data/unicode/blocks.txt
--
-- curl -o arabicshaping.txt http://www.unicode.org/Public/UNIDATA/ArabicShaping.txt
-- curl -o bidibrackets.txt http://www.unicode.org/Public/UNIDATA/BidiBrackets.txt
-- curl -o bidicharactertest.txt http://www.unicode.org/Public/UNIDATA/BidiCharacterTest.txt
-- curl -o bidimirroring.txt http://www.unicode.org/Public/UNIDATA/BidiMirroring.txt
-- curl -o biditest.txt http://www.unicode.org/Public/UNIDATA/BidiTest.txt
-- curl -o blocks.txt http://www.unicode.org/Public/UNIDATA/Blocks.txt
-- curl -o cjkradicals.txt http://www.unicode.org/Public/UNIDATA/CJKRadicals.txt
-- curl -o casefolding.txt http://www.unicode.org/Public/UNIDATA/CaseFolding.txt
-- curl -o compositionexclusions.txt http://www.unicode.org/Public/UNIDATA/CompositionExclusions.txt
-- curl -o derivedage.txt http://www.unicode.org/Public/UNIDATA/DerivedAge.txt
-- curl -o derivedcoreproperties.txt http://www.unicode.org/Public/UNIDATA/DerivedCoreProperties.txt
-- curl -o derivednormalizationprops.txt http://www.unicode.org/Public/UNIDATA/DerivedNormalizationProps.txt
-- curl -o eastasianwidth.txt http://www.unicode.org/Public/UNIDATA/EastAsianWidth.txt
-- curl -o emojisources.txt http://www.unicode.org/Public/UNIDATA/EmojiSources.txt
-- curl -o hangulsyllabletype.txt http://www.unicode.org/Public/UNIDATA/HangulSyllableType.txt
-- curl -o index.txt http://www.unicode.org/Public/UNIDATA/Index.txt
-- curl -o indicpositionalcategory.txt http://www.unicode.org/Public/UNIDATA/IndicPositionalCategory.txt
-- curl -o indicsyllabiccategory.txt http://www.unicode.org/Public/UNIDATA/IndicSyllabicCategory.txt
-- curl -o jamo.txt http://www.unicode.org/Public/UNIDATA/Jamo.txt
-- curl -o linebreak.txt http://www.unicode.org/Public/UNIDATA/LineBreak.txt
-- curl -o namealiases.txt http://www.unicode.org/Public/UNIDATA/NameAliases.txt
-- curl -o namedsequences.txt http://www.unicode.org/Public/UNIDATA/NamedSequences.txt
-- curl -o namedsequencesprov.txt http://www.unicode.org/Public/UNIDATA/NamedSequencesProv.txt
-- curl -o nameslist.html http://www.unicode.org/Public/UNIDATA/NamesList.html
-- curl -o nameslist.txt http://www.unicode.org/Public/UNIDATA/NamesList.txt
-- curl -o normalizationcorrections.txt http://www.unicode.org/Public/UNIDATA/NormalizationCorrections.txt
-- curl -o normalizationtest.txt http://www.unicode.org/Public/UNIDATA/NormalizationTest.txt
-- curl -o proplist.txt http://www.unicode.org/Public/UNIDATA/PropList.txt
-- curl -o propertyaliases.txt http://www.unicode.org/Public/UNIDATA/PropertyAliases.txt
-- curl -o propertyvaluealiases.txt http://www.unicode.org/Public/UNIDATA/PropertyValueAliases.txt
-- curl -o readme.txt http://www.unicode.org/Public/UNIDATA/ReadMe.txt
-- curl -o scriptextensions.txt http://www.unicode.org/Public/UNIDATA/ScriptExtensions.txt
-- curl -o scripts.txt http://www.unicode.org/Public/UNIDATA/Scripts.txt
-- curl -o specialcasing.txt http://www.unicode.org/Public/UNIDATA/SpecialCasing.txt
-- curl -o standardizedvariants.html http://www.unicode.org/Public/UNIDATA/StandardizedVariants.html
-- curl -o standardizedvariants.txt http://www.unicode.org/Public/UNIDATA/StandardizedVariants.txt
-- curl -o tangutsources.txt http://www.unicode.org/Public/UNIDATA/TangutSources.txt
-- curl -o ucd.zip http://www.unicode.org/Public/UNIDATA/UCD.zip
-- curl -o usourcedata.txt http://www.unicode.org/Public/UNIDATA/USourceData.txt
-- curl -o usourceglyphs.pdf http://www.unicode.org/Public/UNIDATA/USourceGlyphs.pdf
-- curl -o unicodedata.txt http://www.unicode.org/Public/UNIDATA/UnicodeData.txt
-- curl -o unihan.zip http://www.unicode.org/Public/UNIDATA/Unihan.zip
--
-- curl -o emoji-data.txt http://unicode.org/Public/emoji/12.0/emoji-data.txt
-- curl -o emoji-sequences.txt http://unicode.org/Public/emoji/12.0/emoji-sequences.txt
-- curl -o emoji-variation-sequences.txt http://unicode.org/Public/emoji/12.0/emoji-variation-sequences.txt
-- curl -o emoji-zwj-sequences.txt http://unicode.org/Public/emoji/12.0/emoji-zwj-sequences.txt
-- curl -o emoji-test.txt http://unicode.org/Public/emoji/12.0/emoji-test.txt
--
-- todo:
--
-- specialcasing ?
local helpinfo = [[
<?xml version="1.0"?>
<application>
<metadata>
<entry name="name">mtx-unicode</entry>
<entry name="detail">Checker for char-dat.lua</entry>
<entry name="version">1.02</entry>
</metadata>
<flags>
<category name="basic">
<subcategory>
<flag name="whatever"><short>do whatever</short></flag>
</subcategory>
</category>
</flags>
</application>
]]
local application = logs.application {
name = "mtx-unicode",
banner = "Checker for char-def.lua 1.02",
helpinfo = helpinfo,
}
local gmatch, match, gsub, find, lower, upper, format = string.gmatch, string.match, string.gsub, string.find, string.lower, string.upper, string.format
local concat, sort = table.concat, table.sort
local split, splitlines, strip = string.split, string.splitlines, string.strip
local are_equal = table.are_equal
local tonumber, tostring, rawget = tonumber, tostring, rawget
local lpegmatch = lpeg.match
local P, C, S, R, Cs, Ct, Cg, Cf, Cc = lpeg.P, lpeg.C, lpeg.S, lpeg.R, lpeg.Cs, lpeg.Ct, lpeg.Cg, lpeg.Cf, lpeg.Cc
local formatters = string.formatters
local utfchar = utf.char
local report = application.report
scripts = scripts or { }
scripts.unicode = scripts.unicode or { }
characters = characters or { }
characters.data = characters.data or { }
fonts = fonts or { }
fonts.encodings = fonts.encodings or { }
local textfiles = { }
local textdata = { }
local sparse = false
local split_space_table = lpeg.tsplitat(" ")
local split_space_two = lpeg.splitat (" ")
local split_range_two = lpeg.splitat ("..")
local split_colon_table = lpeg.tsplitat(P(" ")^0 * P(";") * P(" ")^0)
local skipped = {
[0x002C6] = true, -- MODIFIER LETTER CIRCUMFLEX ACCENT
[0x002C7] = true, -- CARON
}
for i=0x0FE00,0x0FE0F do skipped[i] = true end -- variant selector
for i=0xE0100,0xE01EF do skipped[i] = true end -- variant selector extension
-- This can be done:
--
-- for i=0x1B170,0x1B2FF do skipped[i] = true end -- nushu
--
-- but then also adapt char-cjk.lua bottom part!
function scripts.unicode.update()
local unicodedata = texttables.unicodedata
local bidimirroring = texttables.bidimirroring
local linebreak = texttables.linebreak
local eastasianwidth = texttables.eastasianwidth
local standardizedvariants = texttables.standardizedvariants
local arabicshaping = texttables.arabicshaping
local index = texttables.index
local characterdata = characters.data
--
for unicode, ud in table.sortedpairs(unicodedata) do
if not skipped[unicode] then
local char = rawget(characterdata,unicode)
local description = ud[2] or formatters["UNICODE ENTRY %U"](unicode)
if not find(description,"^<") then
local ld = linebreak[unicode]
local bd = bidimirroring[unicode]
local ed = eastasianwidth[unicode]
local category = lower(ud[3] or "?")
local combining = tonumber(ud[4])
local direction = lower(ud[5] or "l") -- we could omit 'l' being the default
local linebreak = ld and lower(ld[2] or "xx")
local specials = ud[6] or ""
local cjkwd = ed and lower(ed[2] or "n")
local mirror = bd and tonumber(bd[2],16)
local arabic = nil
if sparse and direction == "l" then
direction = nil
end
if linebreak == "xx" then
linebreak = nil
end
if specials == "" then
specials = nil
else
specials = lpegmatch(split_space_table,specials) -- split(specials," ")
if tonumber(specials[1],16) then
for i=#specials,1,-1 do
specials[i+1] = tonumber(specials[i],16)
end
specials[1] = "char"
else
specials[1] = lower(gsub(specials[1],"[<>]",""))
for i=2,#specials do
specials[i] = tonumber(specials[i],16)
end
end
end
if cjkwd == "n" then
cjkwd = nil
end
local comment
if find(description,"MATHEMATICAL") then
comment = "check math properties"
end
-- there are more than arabic
local as = arabicshaping[unicode]
if as then
arabic = lower(as[3])
end
--
if not combining or combining == 0 then
combining = nil
end
if not char then
report("%U : adding entry %a",unicode,description)
char = {
-- adobename = ,
category = category,
comment = comment,
cjkwd = cjkwd,
description = description,
direction = direction,
mirror = mirror,
linebreak = linebreak,
unicodeslot = unicode,
specials = specials,
arabic = arabic,
combining = combining,
}
characterdata[unicode] = char
else
if direction then
if char.direction ~= direction then
report("%U : setting direction to %a, %a",unicode,direction,description)
char.direction = direction
end
else
if char.direction then
report("%U : resetting direction from %a, %a",unicode,char.direction,description)
char.direction = nil
end
end
if mirror then
if mirror ~= char.mirror then
report("%U : setting mirror to %a, %a",unicode,mirror,description)
char.mirror = mirror
end
else
if char.mirror then
report("%U : resetting mirror from %a, %a",unicode,char.mirror,description)
char.mirror = nil
end
end
if linebreak then
if linebreak ~= char.linebreak then
report("%U : setting linebreak to %a, %a",unicode,linebreak,description)
char.linebreak = linebreak
end
else
if char.linebreak then
report("%U : resetting linebreak from %a, %a",unicode,char.linebreak,description)
char.linebreak = nil
end
end
if cjkwd then
if cjkwd ~= char.cjkwd then
report("%U : setting cjkwd of to %a, %a",unicode,cjkwd,description)
char.cjkwd = cjkwd
end
else
if char.cjkwd then
report("%U : resetting cjkwd of from %a, %a",unicode,char.cjkwd,description)
char.cjkwd = nil
end
end
if arabic then
if arabic ~= char.arabic then
report("%U : setting arabic to %a, %a",unicode,arabic,description)
char.arabic = arabic
end
else
if char.arabic then
report("%U : resetting arabic from %a, %a",unicode,char.arabic,description)
char.arabic = nil
end
end
if combining then
if combining ~= char.combining then
report("%U : setting combining to %a, %a",unicode,combining,description)
char.combining = combining
end
else
if char.combining then
report("%U : resetting combining from %a, %a",unicode,char.combining,description)
end
end
if specials then
if not char.specials or not are_equal(specials,char.specials) then
local t = { specials[1] } for i=2,#specials do t[i] = formatters["%U"](specials[i]) end
report("%U : setting specials to % + t, %a",unicode,t,description)
char.specials = specials
end
else
local specials = char.specials
if specials then
local t = { } for i=2,#specials do t[i] = formatters["%U"](specials[i]) end
if false then
char.comment = nil
report("%U : resetting specials from % + t, %a",unicode,t,description)
else
local comment = char.comment
if not comment then
char.comment = "check special"
elseif not find(comment,"check special") then
char.comment = comment .. ", check special"
end
report("%U : check specials % + t, %a",unicode,t,description)
end
end
end
end
--
local visual = char.visual
if not visual and find(description,"MATH") then
if find(description,"BOLD ITALIC") then
visual = "bi"
elseif find(description,"ITALIC") then
visual = "it"
elseif find(description,"BOLD") then
visual = "bf"
end
if visual then
report("%U : setting visual to %a, %a",unicode,visual,description)
char.visual = visual
end
end
-- mathextensible
if category == "sm" or (category == "so" and char.mathclass) then
local mathextensible = char.mathextensible
if mathextensible then
-- already done
elseif find(description,"ABOVE") then
-- skip
elseif find(description,"ARROWHEAD") then
-- skip
elseif find(description,"HALFWIDTH") then
-- skip
elseif find(description,"ANGLE") then
-- skip
elseif find(description,"THROUGH") then
-- skip
elseif find(description,"ARROW") then
-- skip
local u = find(description,"UP")
local d = find(description,"DOWN")
local l = find(description,"LEFT")
local r = find(description,"RIGHT")
if find(description,"ARROWHEAD") then
-- skip
elseif find(description,"HALFWIDTH") then
-- skip
elseif u and d then
if l or r then
mathextensible = 'm' -- mixed
else
mathextensible = 'v' -- vertical
end
elseif u then
if l or r then
mathextensible = 'm' -- mixed
else
mathextensible = "u" -- up
end
elseif d then
if l or r then
mathextensible = 'm' -- mixed
else
mathextensible = "d" -- down
end
elseif l and r then
mathextensible = "h" -- horizontal
elseif r then
mathextensible = "r" -- right
elseif l then
mathextensible = "l" -- left
end
if mathextensible then
report("%U : setting mathextensible to %a, %a",unicode,mathextensible,description)
char.mathextensible = mathextensible
end
end
end
end
end
end
for i=1,#standardizedvariants do
local si = standardizedvariants[i]
local pair, addendum = si[1], strip(si[2])
local first, second = lpegmatch(split_space_two,pair) -- string.splitup(pair," ")
first = tonumber(first,16)
second = tonumber(second,16)
if first then
local d = characterdata[first]
if d then
local v = d.variants
local v = rawget(d,"variants")
if not v then
v = { }
d.variants = v
end
if not v[second] then
report("%U : adding variant %U as %s, %a",first,second,addendum,d.description)
v[second] = addendum
end
end
end
end
for unicode, ud in table.sortedpairs(characterdata) do
if not rawget(ud,"category") and rawget(ud,"variants") then
report("stripping %U (variant, takes from metacharacter)",unicode)
characterdata[unicode] = nil
end
end
end
local preamble
local function splitdefinition(str,index)
local l = splitlines(str)
local t = { }
if index then
for i=1,#l do
local s = gsub(l[i]," *#.*$","")
if s ~= "" then
local d = lpegmatch(split_colon_table,s) -- split(s,";")
local o = d[1]
local u = tonumber(o,16)
if u then
t[u] = d
else
-- local b, e = match(o,"^([^%.]+)%.%.([^%.]+)$")
local b, e = lpegmatch(split_range_two,o)
if b and e then
b = tonumber(b,16)
e = tonumber(e,16)
for k=b,e do
t[k] = d
end
else
report("problem: %s",s)
end
end
end
end
else
local n = 0
for i=1,#l do
local s = gsub(l[i]," *#.*$","")
if s ~= "" then
n = n + 1
t[n] = lpegmatch(split_colon_table,s) -- split(s,";")
end
end
end
return t
end
local function splitindex(str)
-- ok, quick and dirty ... could be a nice lpeg instead
local l = splitlines(str)
local n = { }
for i=1,#l do
local a, b, c = match(l[i],"([^%,]+)%,?(.-)\t(.*)")
if a and b and c then
local name = b .. " " .. a
name = strip(name)
name = gsub(name,"%s+"," ")
n[name] = tonumber(c,16)
end
end
return n
end
function scripts.unicode.load()
local fullname = resolvers.findfile("char-def.lua")
report("using: %s",fullname)
local data = io.loaddata(fullname)
if data then
loadstring(data)()
--
local fullname = resolvers.findfile("char-ini.lua")
report("using: %s",fullname)
dofile(fullname)
--
local fullname = resolvers.findfile("char-utf.lua")
report("using: %s",fullname)
dofile(fullname)
--
local fullname = resolvers.findfile("char-cjk.lua")
report("using: %s",fullname)
dofile(fullname)
--
preamble = gsub(data,"characters%.data%s*=%s*%{.*","")
--
textfiles = {
unicodedata = resolvers.findfile("unicodedata.txt") or "",
bidimirroring = resolvers.findfile("bidimirroring.txt") or "",
linebreak = resolvers.findfile("linebreak.txt") or "",
eastasianwidth = resolvers.findfile("eastasianwidth.txt") or "",
standardizedvariants = resolvers.findfile("standardizedvariants.txt") or "",
arabicshaping = resolvers.findfile("arabicshaping.txt") or "",
index = resolvers.findfile("index.txt") or "",
}
--
textdata = {
unicodedata = textfiles.unicodedata ~= "" and io.loaddata(textfiles.unicodedata) or "",
bidimirroring = textfiles.bidimirroring ~= "" and io.loaddata(textfiles.bidimirroring) or "",
linebreak = textfiles.linebreak ~= "" and io.loaddata(textfiles.linebreak) or "",
eastasianwidth = textfiles.eastasianwidth ~= "" and io.loaddata(textfiles.eastasianwidth) or "",
standardizedvariants = textfiles.standardizedvariants ~= "" and io.loaddata(textfiles.standardizedvariants) or "",
arabicshaping = textfiles.arabicshaping ~= "" and io.loaddata(textfiles.arabicshaping) or "",
index = textfiles.index ~= "" and io.loaddata(textfiles.index) or "",
}
texttables = {
unicodedata = splitdefinition(textdata.unicodedata,true),
bidimirroring = splitdefinition(textdata.bidimirroring,true),
linebreak = splitdefinition(textdata.linebreak,true),
eastasianwidth = splitdefinition(textdata.eastasianwidth,true),
standardizedvariants = splitdefinition(textdata.standardizedvariants,false),
arabicshaping = splitdefinition(textdata.arabicshaping,true),
index = splitindex(textdata.index),
}
return true
else
preamble = nil
return false
end
end
-- local variants_emoji={
-- [0xFE0E]="text style",
-- [0xFE0F]="emoji style",
-- }
--
-- local variants_forms={
-- [0xFE00]="corner-justified form",
-- [0xFE01]="centered form",
-- }
function scripts.unicode.save(filename)
if preamble then
local data = table.serialize(characters.data,"characters.data", { hexify = true, noquotes = true })
data = gsub(data,"%{%s+%[0xFE0E%]=\"text style\",%s+%[0xFE0F%]=\"emoji style\",%s+%}","variants_emoji")
data = gsub(data,"%{%s+%[0xFE00%]=\"corner%-justified form\",%s+%[0xFE01%]=\"centered form\",%s+%}","variants_forms")
io.savedata(filename,preamble .. data)
end
end
function scripts.unicode.extras() -- old code
--
-- 0000..007F; Basic Latin
-- 0080..00FF; Latin-1 Supplement
-- 0100..017F; Latin Extended-A
--
local fullname = resolvers.findfile("blocks.txt") or ""
if fullname ~= "" then
local data = io.loaddata(fullname)
local lines = splitlines(data)
local map = { }
local blocks = characters.blocks
local result = { }
for i=1,#lines do
local line = gsub(lines[i]," *#.*$","")
if line ~= "" then
local specification = lpegmatch(split_colon_table,line) -- split(s,";")
local range = specification[1]
local description = specification[2]
if range and description then
local start, stop = lpegmatch(split_range_two,range)
if start and stop then
local start = tonumber(start,16)
local stop = tonumber(stop,16)
local name = gsub(lower(description),"[^a-z]+","")
if start and stop then
local b = blocks[name]
if not b then
result[#result+1] = formatters[ [[+ block: ["%s"] = { first = 0x%05X, last = 0x%05X, description = "%S" }]] ](name,start,stop,description)
blocks[name] = { first = start, last = stop, description = description }
elseif b.first ~= start or b.last ~= stop or b.description ~= description then
result[#result+1] = formatters[ [[? block: ["%s"] = { first = 0x%05X, last = 0x%05X, description = "%S" }]] ](name,start,stop,description)
end
end
map[#map+1] = name
end
end
end
end
sort(result)
for i=1,#result do
report(result[i])
end
sort(map)
for i=1,#map do
local m = map[i]
if not blocks[m] then
report("obsolete block %a",m)
end
end
end
--
local index = texttables.index
local blocks = characters.blocks
local data = characters.data
for k, v in next, index do
if k ~= lower(k) then
index[k] = nil
end
end
-- for k, v in next, data do
-- v.synonym = nil
-- v.synonyms = nil
-- end
for k, v in table.sortedhash(index) do
local d = data[v]
if d and d.description ~= upper(k) then
local synonyms = d.synonyms
if synonyms then
local n = #synonyms
local f = false
for i=1,n do
if synonyms[i] == k then
f = true
break
end
end
if not f then
synonyms[n+1] = k
end
-- synonyms = table.unique(synonyms)
-- d.synonyms = synonyms
sort(synonyms)
else
d.synonyms = { k }
end
end
end
end
do
local space = P(" ")
local spaces = space^0
local semicolon = P(";")
local hash = P("#")
local newline = S("\n\r")
local unicode = Cs(R("09","AF")^1)/function(n) return tonumber(n,16) end
* spaces
local components = Ct (unicode^1)
-- local rubish_a = semicolon
-- * spaces
-- * P("Emoji_ZWJ_Sequence")
-- * spaces
-- * semicolon
-- * spaces
-- local description = C((1 - (spaces * (hash+newline)))^1)
-- local rubish_b = (1-newline)^0
-- * newline^1
--
-- local pattern_1 = Ct ( (
-- Cf ( Ct("") *
-- Cg (Cc("components") * components)
-- * rubish_a
-- * Cg (Cc("description") * description )
-- * rubish_b
-- , rawset)
-- + P(1) )^1 )
local rubish_a = semicolon
* spaces
* P("non-")^0 * P("fully-qualified")
* spaces
* hash
* spaces
local textstring = C((1 - space)^1)
* spaces
local description = ((1 - (spaces * newline))^1) / string.lower
local rubish_b = (1-newline)^0
* newline^1
local pattern_2 = Ct ( (
Cf ( Ct("") *
Cg (Cc("components") * components)
* rubish_a
* Cg (Cc("textstring") * textstring)
* Cg (Cc("description") * description )
* rubish_b
, rawset)
+ P(1) )^1 )
function scripts.unicode.emoji(filename)
local name = resolvers.findfile("emoji-test.txt") or ""
if name == "" then
return
end
local l = io.loaddata(name)
local t = lpegmatch(pattern_2,l)
local hash = { }
local crap = lpeg.P("e") * lpeg.R("09","..","09")^1 * lpeg.P(" ")^1
local replace = lpeg.replacer {
[crap] = "",
["#"] = "hash",
["*"] = "asterisk",
}
for i=1,#t do
local v = t[i]
local d = v.description
local k = lpegmatch(replace,d) or d
hash[k] = v.components
end
local new = table.serialize(hash,"return", { hexify = true })
local old = io.loaddata(resolvers.findfile("char-emj.lua"))
if old and old ~= "" then
new = gsub(old,"^(.-)return .*$","%1" .. new)
end
io.savedata(filename,new)
end
end
-- the action
local filename = environment.files[1]
if environment.arguments.exporthelp then
application.export(environment.arguments.exporthelp,filename)
else
report("start working on %a, input char-def.lua",lfs.currentdir())
if scripts.unicode.load() then
scripts.unicode.update()
scripts.unicode.extras()
scripts.unicode.save("char-def-new.lua")
scripts.unicode.emoji("char-emj-new.lua")
report("saved file %a","char-def-new.lua")
report("saved file %a (current 12.0, check for updates, see above!)","char-emj-new.lua")
else
report("nothing to do")
end
report("stop working on %a\n",lfs.currentdir())
end
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