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-rw-r--r--otfl-char-ini.lua634
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diff --git a/otfl-char-ini.lua b/otfl-char-ini.lua
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+++ b/otfl-char-ini.lua
@@ -0,0 +1,634 @@
+if not modules then modules = { } end modules ['char-ini'] = {
+ version = 1.001,
+ comment = "companion to char-ini.mkiv",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+tex = tex or { }
+xml = xml or { }
+
+local utf = unicode.utf8
+
+local utfchar, utfbyte = utf.char, utf.byte
+local concat = table.concat
+local next, tonumber = next, tonumber
+local texsprint, texprint = tex.sprint, tex.print
+local format, lower, gsub, match, gmatch = string.format, string.lower, string.gsub, string.match, string.match, string.gmatch
+
+local ctxcatcodes = tex.ctxcatcodes
+local texcatcodes = tex.texcatcodes
+
+--[[ldx--
+<p>This module implements some methods and creates additional datastructured
+from the big character table that we use for all kind of purposes:
+<type>char-def.lua</type>.</p>
+
+<p>We assume that at this point <type>characters.data</type> is already
+loaded!</p>
+--ldx]]--
+
+characters = characters or { }
+characters.data = characters.data or { }
+
+local data = characters.data
+
+if not characters.ranges then
+ characters.ranges = { }
+ for k, v in next, data do
+ characters.ranges[#characters.ranges+1] = k
+ end
+end
+
+storage.register("characters/ranges",characters.ranges,"characters.ranges")
+
+local ranges = characters.ranges
+
+setmetatable(data, {
+ __index = function(t,k)
+ for r=1,#ranges do
+ local rr = ranges[r] -- first in range
+ if k > rr and k <= data[rr].range then
+ t[k] = t[rr]
+ return t[k]
+ end
+ end
+ return nil
+ end
+})
+
+characters.blocks = {
+ ["aegeannumbers"] = { 0x10100, 0x1013F, "Aegean Numbers" },
+ ["alphabeticpresentationforms"] = { 0x0FB00, 0x0FB4F, "Alphabetic Presentation Forms" },
+ ["ancientgreekmusicalnotation"] = { 0x1D200, 0x1D24F, "Ancient Greek Musical Notation" },
+ ["ancientgreeknumbers"] = { 0x10140, 0x1018F, "Ancient Greek Numbers" },
+ ["ancientsymbols"] = { 0x10190, 0x101CF, "Ancient Symbols" },
+ ["arabic"] = { 0x00600, 0x006FF, "Arabic" },
+ ["arabicpresentationformsa"] = { 0x0FB50, 0x0FDFF, "Arabic Presentation Forms-A" },
+ ["arabicpresentationformsb"] = { 0x0FE70, 0x0FEFF, "Arabic Presentation Forms-B" },
+ ["arabicsupplement"] = { 0x00750, 0x0077F, "Arabic Supplement" },
+ ["armenian"] = { 0x00530, 0x0058F, "Armenian" },
+ ["arrows"] = { 0x02190, 0x021FF, "Arrows" },
+ ["balinese"] = { 0x01B00, 0x01B7F, "Balinese" },
+ ["basiclatin"] = { 0x00000, 0x0007F, "Basic Latin" },
+ ["bengali"] = { 0x00980, 0x009FF, "Bengali" },
+ ["blockelements"] = { 0x02580, 0x0259F, "Block Elements" },
+ ["bopomofo"] = { 0x03100, 0x0312F, "Bopomofo" },
+ ["bopomofoextended"] = { 0x031A0, 0x031BF, "Bopomofo Extended" },
+ ["boxdrawing"] = { 0x02500, 0x0257F, "Box Drawing" },
+ ["braillepatterns"] = { 0x02800, 0x028FF, "Braille Patterns" },
+ ["buginese"] = { 0x01A00, 0x01A1F, "Buginese" },
+ ["buhid"] = { 0x01740, 0x0175F, "Buhid" },
+ ["byzantinemusicalsymbols"] = { 0x1D000, 0x1D0FF, "Byzantine Musical Symbols" },
+ ["carian"] = { 0x102A0, 0x102DF, "Carian" },
+ ["cham"] = { 0x0AA00, 0x0AA5F, "Cham" },
+ ["cherokee"] = { 0x013A0, 0x013FF, "Cherokee" },
+ ["cjkcompatibility"] = { 0x03300, 0x033FF, "CJK Compatibility" },
+ ["cjkcompatibilityforms"] = { 0x0FE30, 0x0FE4F, "CJK Compatibility Forms" },
+ ["cjkcompatibilityideographs"] = { 0x0F900, 0x0FAFF, "CJK Compatibility Ideographs" },
+ ["cjkcompatibilityideographssupplement"] = { 0x2F800, 0x2FA1F, "CJK Compatibility Ideographs Supplement" },
+ ["cjkradicalssupplement"] = { 0x02E80, 0x02EFF, "CJK Radicals Supplement" },
+ ["cjkstrokes"] = { 0x031C0, 0x031EF, "CJK Strokes" },
+ ["cjksymbolsandpunctuation"] = { 0x03000, 0x0303F, "CJK Symbols and Punctuation" },
+ ["cjkunifiedideographs"] = { 0x04E00, 0x09FFF, "CJK Unified Ideographs" },
+ ["cjkunifiedideographsextensiona"] = { 0x03400, 0x04DBF, "CJK Unified Ideographs Extension A" },
+ ["cjkunifiedideographsextensionb"] = { 0x20000, 0x2A6DF, "CJK Unified Ideographs Extension B" },
+ ["combiningdiacriticalmarks"] = { 0x00300, 0x0036F, "Combining Diacritical Marks" },
+ ["combiningdiacriticalmarksforsymbols"] = { 0x020D0, 0x020FF, "Combining Diacritical Marks for Symbols" },
+ ["combiningdiacriticalmarkssupplement"] = { 0x01DC0, 0x01DFF, "Combining Diacritical Marks Supplement" },
+ ["combininghalfmarks"] = { 0x0FE20, 0x0FE2F, "Combining Half Marks" },
+ ["controlpictures"] = { 0x02400, 0x0243F, "Control Pictures" },
+ ["coptic"] = { 0x02C80, 0x02CFF, "Coptic" },
+ ["countingrodnumerals"] = { 0x1D360, 0x1D37F, "Counting Rod Numerals" },
+ ["cuneiform"] = { 0x12000, 0x123FF, "Cuneiform" },
+ ["cuneiformnumbersandpunctuation"] = { 0x12400, 0x1247F, "Cuneiform Numbers and Punctuation" },
+ ["currencysymbols"] = { 0x020A0, 0x020CF, "Currency Symbols" },
+ ["cypriotsyllabary"] = { 0x10800, 0x1083F, "Cypriot Syllabary" },
+ ["cyrillic"] = { 0x00400, 0x004FF, "Cyrillic" },
+ ["cyrillicextendeda"] = { 0x02DE0, 0x02DFF, "Cyrillic Extended-A" },
+ ["cyrillicextendedb"] = { 0x0A640, 0x0A69F, "Cyrillic Extended-B" },
+ ["cyrillicsupplement"] = { 0x00500, 0x0052F, "Cyrillic Supplement" },
+ ["deseret"] = { 0x10400, 0x1044F, "Deseret" },
+ ["devanagari"] = { 0x00900, 0x0097F, "Devanagari" },
+ ["dingbats"] = { 0x02700, 0x027BF, "Dingbats" },
+ ["dominotiles"] = { 0x1F030, 0x1F09F, "Domino Tiles" },
+ ["enclosedalphanumerics"] = { 0x02460, 0x024FF, "Enclosed Alphanumerics" },
+ ["enclosedcjklettersandmonths"] = { 0x03200, 0x032FF, "Enclosed CJK Letters and Months" },
+ ["ethiopic"] = { 0x01200, 0x0137F, "Ethiopic" },
+ ["ethiopicextended"] = { 0x02D80, 0x02DDF, "Ethiopic Extended" },
+ ["ethiopicsupplement"] = { 0x01380, 0x0139F, "Ethiopic Supplement" },
+ ["generalpunctuation"] = { 0x02000, 0x0206F, "General Punctuation" },
+ ["geometricshapes"] = { 0x025A0, 0x025FF, "Geometric Shapes" },
+ ["georgian"] = { 0x010A0, 0x010FF, "Georgian" },
+ ["georgiansupplement"] = { 0x02D00, 0x02D2F, "Georgian Supplement" },
+ ["glagolitic"] = { 0x02C00, 0x02C5F, "Glagolitic" },
+ ["gothic"] = { 0x10330, 0x1034F, "Gothic" },
+ ["greekandcoptic"] = { 0x00370, 0x003FF, "Greek and Coptic" },
+ ["greekextended"] = { 0x01F00, 0x01FFF, "Greek Extended" },
+ ["gujarati"] = { 0x00A80, 0x00AFF, "Gujarati" },
+ ["gurmukhi"] = { 0x00A00, 0x00A7F, "Gurmukhi" },
+ ["halfwidthandfullwidthforms"] = { 0x0FF00, 0x0FFEF, "Halfwidth and Fullwidth Forms" },
+ ["hangulcompatibilityjamo"] = { 0x03130, 0x0318F, "Hangul Compatibility Jamo" },
+ ["hanguljamo"] = { 0x01100, 0x011FF, "Hangul Jamo" },
+ ["hangulsyllables"] = { 0x0AC00, 0x0D7AF, "Hangul Syllables" },
+ ["hanunoo"] = { 0x01720, 0x0173F, "Hanunoo" },
+ ["hebrew"] = { 0x00590, 0x005FF, "Hebrew" },
+ ["highprivateusesurrogates"] = { 0x0DB80, 0x0DBFF, "High Private Use Surrogates" },
+ ["highsurrogates"] = { 0x0D800, 0x0DB7F, "High Surrogates" },
+ ["hiragana"] = { 0x03040, 0x0309F, "Hiragana" },
+ ["ideographicdescriptioncharacters"] = { 0x02FF0, 0x02FFF, "Ideographic Description Characters" },
+ ["ipaextensions"] = { 0x00250, 0x02AF, "IPA Extensions" },
+ ["kanbun"] = { 0x03190, 0x0319F, "Kanbun" },
+ ["kangxiradicals"] = { 0x02F00, 0x02FDF, "Kangxi Radicals" },
+ ["kannada"] = { 0x00C80, 0x00CFF, "Kannada" },
+ ["katakana"] = { 0x030A0, 0x030FF, "Katakana" },
+ ["katakanaphoneticextensions"] = { 0x031F0, 0x031FF, "Katakana Phonetic Extensions" },
+ ["kayahli"] = { 0x0A900, 0x0A92F, "Kayah Li" },
+ ["kharoshthi"] = { 0x10A00, 0x10A5F, "Kharoshthi" },
+ ["khmer"] = { 0x01780, 0x017FF, "Khmer" },
+ ["khmersymbols"] = { 0x019E0, 0x019FF, "Khmer Symbols" },
+ ["lao"] = { 0x00E80, 0x00EFF, "Lao" },
+ ["latinextendeda"] = { 0x00100, 0x0017F, "Latin Extended-A" },
+ ["latinextendedadditional"] = { 0x01E00, 0x01EFF, "Latin Extended Additional" },
+ ["latinextendedb"] = { 0x00180, 0x0024F, "Latin Extended-B" },
+ ["latinextendedc"] = { 0x02C60, 0x02C7F, "Latin Extended-C" },
+ ["latinextendedd"] = { 0x0A720, 0x0A7FF, "Latin Extended-D" },
+ ["latinsupplement"] = { 0x00080, 0x000FF, "Latin-1 Supplement" },
+ ["lepcha"] = { 0x01C00, 0x01C4F, "Lepcha" },
+ ["letterlikesymbols"] = { 0x02100, 0x0214F, "Letterlike Symbols" },
+ ["limbu"] = { 0x01900, 0x0194F, "Limbu" },
+ ["linearbideograms"] = { 0x10080, 0x100FF, "Linear B Ideograms" },
+ ["linearbsyllabary"] = { 0x10000, 0x1007F, "Linear B Syllabary" },
+ ["lowsurrogates"] = { 0x0DC00, 0x0DFFF, "Low Surrogates" },
+ ["lycian"] = { 0x10280, 0x1029F, "Lycian" },
+ ["lydian"] = { 0x10920, 0x1093F, "Lydian" },
+ ["mahjongtiles"] = { 0x1F000, 0x1F02F, "Mahjong Tiles" },
+ ["malayalam"] = { 0x00D00, 0x00D7F, "Malayalam" },
+ ["mathematicalalphanumericsymbols"] = { 0x1D400, 0x1D7FF, "Mathematical Alphanumeric Symbols" },
+ ["mathematicaloperators"] = { 0x02200, 0x022FF, "Mathematical Operators" },
+ ["miscellaneousmathematicalsymbolsa"] = { 0x027C0, 0x027EF, "Miscellaneous Mathematical Symbols-A" },
+ ["miscellaneousmathematicalsymbolsb"] = { 0x02980, 0x029FF, "Miscellaneous Mathematical Symbols-B" },
+ ["miscellaneoussymbols"] = { 0x02600, 0x026FF, "Miscellaneous Symbols" },
+ ["miscellaneoussymbolsandarrows"] = { 0x02B00, 0x02BFF, "Miscellaneous Symbols and Arrows" },
+ ["miscellaneoustechnical"] = { 0x02300, 0x023FF, "Miscellaneous Technical" },
+ ["modifiertoneletters"] = { 0x0A700, 0x0A71F, "Modifier Tone Letters" },
+ ["mongolian"] = { 0x01800, 0x018AF, "Mongolian" },
+ ["musicalsymbols"] = { 0x1D100, 0x1D1FF, "Musical Symbols" },
+ ["myanmar"] = { 0x01000, 0x0109F, "Myanmar" },
+ ["newtailue"] = { 0x01980, 0x019DF, "New Tai Lue" },
+ ["nko"] = { 0x007C0, 0x007FF, "NKo" },
+ ["numberforms"] = { 0x02150, 0x0218F, "Number Forms" },
+ ["ogham"] = { 0x01680, 0x0169F, "Ogham" },
+ ["olchiki"] = { 0x01C50, 0x01C7F, "Ol Chiki" },
+ ["olditalic"] = { 0x10300, 0x1032F, "Old Italic" },
+ ["oldpersian"] = { 0x103A0, 0x103DF, "Old Persian" },
+ ["opticalcharacterrecognition"] = { 0x02440, 0x0245F, "Optical Character Recognition" },
+ ["oriya"] = { 0x00B00, 0x00B7F, "Oriya" },
+ ["osmanya"] = { 0x10480, 0x104AF, "Osmanya" },
+ ["phagspa"] = { 0x0A840, 0x0A87F, "Phags-pa" },
+ ["phaistosdisc"] = { 0x101D0, 0x101FF, "Phaistos Disc" },
+ ["phoenician"] = { 0x10900, 0x1091F, "Phoenician" },
+ ["phoneticextensions"] = { 0x01D00, 0x01D7F, "Phonetic Extensions" },
+ ["phoneticextensionssupplement"] = { 0x01D80, 0x01DBF, "Phonetic Extensions Supplement" },
+ ["privateusearea"] = { 0x0E000, 0x0F8FF, "Private Use Area" },
+ ["rejang"] = { 0x0A930, 0x0A95F, "Rejang" },
+ ["runic"] = { 0x016A0, 0x016FF, "Runic" },
+ ["saurashtra"] = { 0x0A880, 0x0A8DF, "Saurashtra" },
+ ["shavian"] = { 0x10450, 0x1047F, "Shavian" },
+ ["sinhala"] = { 0x00D80, 0x00DFF, "Sinhala" },
+ ["smallformvariants"] = { 0x0FE50, 0x0FE6F, "Small Form Variants" },
+ ["spacingmodifierletters"] = { 0x002B0, 0x002FF, "Spacing Modifier Letters" },
+ ["specials"] = { 0x0FFF0, 0x0FFFF, "Specials" },
+ ["sundanese"] = { 0x01B80, 0x01BBF, "Sundanese" },
+ ["superscriptsandsubscripts"] = { 0x02070, 0x0209F, "Superscripts and Subscripts" },
+ ["supplementalarrowsa"] = { 0x027F0, 0x027FF, "Supplemental Arrows-A" },
+ ["supplementalarrowsb"] = { 0x02900, 0x0297F, "Supplemental Arrows-B" },
+ ["supplementalmathematicaloperators"] = { 0x02A00, 0x02AFF, "Supplemental Mathematical Operators" },
+ ["supplementalpunctuation"] = { 0x02E00, 0x02E7F, "Supplemental Punctuation" },
+ ["supplementaryprivateuseareaa"] = { 0xF0000, 0xFFFFF, "Supplementary Private Use Area-A" },
+ ["supplementaryprivateuseareab"] = { 0x100000,0x10FFFF,"Supplementary Private Use Area-B" },
+ ["sylotinagri"] = { 0x0A800, 0x0A82F, "Syloti Nagri" },
+ ["syriac"] = { 0x00700, 0x0074F, "Syriac" },
+ ["tagalog"] = { 0x01700, 0x0171F, "Tagalog" },
+ ["tagbanwa"] = { 0x01760, 0x0177F, "Tagbanwa" },
+ ["tags"] = { 0xE0000, 0xE007F, "Tags" },
+ ["taile"] = { 0x01950, 0x0197F, "Tai Le" },
+ ["taixuanjingsymbols"] = { 0x1D300, 0x1D35F, "Tai Xuan Jing Symbols" },
+ ["tamil"] = { 0x00B80, 0x00BFF, "Tamil" },
+ ["telugu"] = { 0x00C00, 0x00C7F, "Telugu" },
+ ["thaana"] = { 0x00780, 0x007BF, "Thaana" },
+ ["thai"] = { 0x00E00, 0x00E7F, "Thai" },
+ ["tibetan"] = { 0x00F00, 0x00FFF, "Tibetan" },
+ ["tifinagh"] = { 0x02D30, 0x02D7F, "Tifinagh" },
+ ["ugaritic"] = { 0x10380, 0x1039F, "Ugaritic" },
+ ["unifiedcanadianaboriginalsyllabics"] = { 0x01400, 0x0167F, "Unified Canadian Aboriginal Syllabics" },
+ ["vai"] = { 0x0A500, 0x0A63F, "Vai" },
+ ["variationselectors"] = { 0x0FE00, 0x0FE0F, "Variation Selectors" },
+ ["variationselectorssupplement"] = { 0xE0100, 0xE01EF, "Variation Selectors Supplement" },
+ ["verticalforms"] = { 0x0FE10, 0x0FE1F, "Vertical Forms" },
+ ["yijinghexagramsymbols"] = { 0x04DC0, 0x04DFF, "Yijing Hexagram Symbols" },
+ ["yiradicals"] = { 0x0A490, 0x0A4CF, "Yi Radicals" },
+ ["yisyllables"] = { 0x0A000, 0x0A48F, "Yi Syllables" },
+}
+
+function characters.getrange(name)
+ local tag = lower(name)
+ tag = gsub(name,"[^a-z]", "")
+ local range = characters.blocks[tag]
+ if range then
+ return range[1], range[2], range[3]
+ end
+ name = gsub(name,'"',"0x") -- goodie: tex hex notation
+ local start, stop = match(name,"^(.-)[%-%:](.-)$")
+ if start and stop then
+ start, stop = tonumber(start,16) or tonumber(start), tonumber(stop,16) or tonumber(stop)
+ if start and stop then
+ return start, stop, nil
+ end
+ end
+ local slot = tonumber(name,16) or tonumber(name)
+ return slot, slot, nil
+end
+
+characters.categories = {
+ lu = "Letter Uppercase",
+ ll = "Letter Lowercase",
+ lt = "Letter Titlecase",
+ lm = "Letter Modifier",
+ lo = "Letter Other",
+ mn = "Mark Nonspacing",
+ mc = "Mark Spacing Combining",
+ me = "Mark Enclosing",
+ nd = "Number Decimal Digit",
+ nl = "Number Letter",
+ no = "Number Other",
+ pc = "Punctuation Connector",
+ pd = "Punctuation Dash",
+ ps = "Punctuation Open",
+ pe = "Punctuation Close",
+ pi = "Punctuation Initial Quote",
+ pf = "Punctuation Final Quote",
+ po = "Punctuation Other",
+ sm = "Symbol Math",
+ sc = "Symbol Currency",
+ sk = "Symbol Modifier",
+ so = "Symbol Other",
+ zs = "Separator Space",
+ zl = "Separator Line",
+ zp = "Separator Paragraph",
+ cc = "Other Control",
+ cf = "Other Format",
+ cs = "Other Surrogate",
+ co = "Other Private Use",
+ cn = "Other Not Assigned",
+}
+
+--~ special : cf (softhyphen) zs (emspace)
+--~ characters: ll lm lo lt lu mn nl no pc pd pe pf pi po ps sc sk sm so
+
+characters.is_character = table.tohash {
+ "lu","ll","lt","lm","lo",
+ "nd","nl","no",
+ "mn",
+ "nl","no",
+ "pc","pd","ps","pe","pi","pf","po",
+ "sm","sc","sk","so"
+}
+
+characters.is_letter = table.tohash {
+ "ll","lm","lo","lt","lu"
+}
+
+characters.is_command = table.tohash {
+ "cf","zs"
+}
+
+-- linebreak: todo: hash
+--
+-- normative : BK CR LF CM SG GL CB SP ZW NL WJ JL JV JT H2 H3
+-- informative : XX OP CL QU NS EX SY IS PR PO NU AL ID IN HY BB BA SA AI B2
+
+-- east asian width:
+--
+-- N A H W F Na
+
+characters.bidi = {
+ l = "Left-to-Right",
+ lre = "Left-to-Right Embedding",
+ lro = "Left-to-Right Override",
+ r = "Right-to-Left",
+ al = "Right-to-Left Arabic",
+ rle = "Right-to-Left Embedding",
+ rlo = "Right-to-Left Override",
+ pdf = "Pop Directional Format",
+ en = "European Number",
+ es = "European Number Separator",
+ et = "European Number Terminator",
+ an = "Arabic Number",
+ cs = "Common Number Separator",
+ nsm = "Non-Spacing Mark",
+ bn = "Boundary Neutral",
+ b = "Paragraph Separator",
+ s = "Segment Separator",
+ ws = "Whitespace",
+ on = "Other Neutrals",
+}
+
+local _empty_table_ = { __index = function(t,k) return "" end }
+
+function table.set_empty_metatable(t)
+ setmetatable(t,_empty_table_)
+end
+
+table.set_empty_metatable(data)
+
+--[[ldx--
+<p>At this point we assume that the big data table is loaded. From this
+table we derive a few more.</p>
+--ldx]]--
+
+if not characters.fallbacks then
+
+ characters.fallbacks = { }
+ characters.directions = { }
+
+ local fallbacks = characters.fallbacks
+ local directions = characters.directions
+
+ for k,v in next, data do
+ local specials = v.specials
+ if specials and specials[1] == "compat" and specials[2] == 0x0020 and specials[3] then
+ local s = specials[3]
+ fallbacks[k] = s
+ fallbacks[s] = k
+ end
+ directions[k] = v.direction
+ end
+
+end
+
+storage.register("characters.fallbacks", characters.fallbacks, "characters.fallbacks")
+storage.register("characters.directions", characters.directions, "characters.directions")
+
+--[[ldx--
+<p>The <type>context</type> namespace is used to store methods and data
+which is rather specific to <l n='context'/>.</p>
+--ldx]]--
+
+--[[ldx--
+<p>Instead of using a <l n='tex'/> file to define the named glyphs, we
+use the table. After all, we have this information available anyway.</p>
+--ldx]]--
+
+function characters.makeactive(n,name) -- let ?
+ texsprint(ctxcatcodes,format("\\catcode%s=13\\unexpanded\\def %s{\\%s}",n,utfchar(n),name))
+end
+
+function tex.uprint(n)
+ texsprint(ctxcatcodes,utfchar(n))
+end
+
+local template_a = "\\startextendcatcodetable{%s}\\chardef\\l=11\\chardef\\a=13\\let\\c\\catcode%s\\let\\a\\undefined\\let\\l\\undefined\\let\\c\\undefined\\stopextendcatcodetable"
+local template_b = "\\chardef\\l=11\\chardef\\a=13\\let\\c\\catcode%s\\let\\a\\undefined\\let\\l\\undefined\\let\\c\\undefined"
+
+-- we need a function for setting the codes ....
+
+function characters.define(tobelettered, tobeactivated) -- catcodetables
+ local is_character, is_command, is_letter = characters.is_character, characters.is_command, characters.is_letter
+ local lettered, activated = { }, { }
+ for u, chr in next, data do
+ -- we can use a macro instead of direct settings
+ local fallback = chr.fallback
+ if fallback then
+ -- texprint(format("{\\catcode %s=13\\unexpanded\\gdef %s{\\checkedchar{%s}{%s}}}",u,utfchar(u),u,fallback))
+ texsprint("{\\catcode",u,"=13\\unexpanded\\gdef ",utfchar(u),"{\\checkedchar{",u,"}{",fallback,"}}}") -- no texprint
+ activated[#activated+1] = "\\c"..u.."\\a"
+ else
+ local contextname = chr.contextname
+ local category = chr.category
+ if contextname then
+ if is_character[category] then
+ -- by this time, we're still in normal catcode mode
+ -- subtle: not "\\",contextname but "\\"..contextname
+ if chr.unicodeslot < 128 then
+ -- texprint(ctxcatcodes, "\\chardef\\"..contextname,"=",u)
+ texprint(ctxcatcodes,format("\\chardef\\%s=%s",contextname,u))
+ else
+ -- texprint(ctxcatcodes, "\\let\\"..contextname,"=",utfchar(u))
+ texprint(ctxcatcodes,format("\\let\\%s=%s",contextname,utfchar(u)))
+ if is_letter[category] then
+ lettered[#lettered+1] = "\\c"..u.."\\l"
+ end
+ end
+ elseif is_command[category] then
+ -- texprint(format("{\\catcode %s=13\\unexpanded\\gdef %s{\\%s}}",u,utfchar(u),contextname))
+ texsprint("{\\catcode",u,"=13\\unexpanded\\gdef ",utfchar(u),"{\\"..contextname,"}}") -- no texprint
+ activated[#activated+1] = "\\c"..u.."\\a"
+ end
+ elseif is_letter[category] then
+ if u >= 128 and u <= 65536 then -- catch private mess
+ lettered[#lettered+1] = "\\c"..u.."\\l"
+ end
+ end
+ end
+ if chr.range then
+ lettered[#lettered+1] = format('\\dofastrecurse{"%05X}{"%05X}{1}{\\c\\fastrecursecounter\\l}',u,chr.range)
+ end
+ end
+ -- if false then
+ lettered[#lettered+1] = "\\c"..0x200C.."\\l" -- non-joiner
+ lettered[#lettered+1] = "\\c"..0x200D.."\\l" -- joiner
+ -- fi
+ if tobelettered then
+ lettered = concat(lettered)
+ if true then
+ texsprint(ctxcatcodes,format(template_b,lettered))
+ else
+ for l=1,#tobelettered do
+ texsprint(ctxcatcodes,format(template_a,tobelettered[l],lettered))
+ end
+ end
+ end
+ if tobeactivated then
+ activated = concat(activated)
+ for a=1,#tobeactivated do
+ texsprint(ctxcatcodes,format(template_a,tobeactivated[a],activated))
+ end
+ end
+end
+
+function characters.charcode(box)
+ local b = tex.box[box]
+ local l = b.list
+ texsprint((l and l.id == node.id('glyph') and l.char) or 0)
+end
+
+--[[ldx--
+<p>Setting the lccodes is also done in a loop over the data table.</p>
+--ldx]]--
+
+-- we need a function ...
+
+function characters.setcodes()
+ for code, chr in next, data do
+ local cc = chr.category
+ if cc == 'll' or cc == 'lu' or cc == 'lt' then
+ local lc, uc = chr.lccode, chr.uccode
+ if not lc then chr.lccode, lc = code, code end
+ if not uc then chr.uccode, uc = code, code end
+ texsprint(ctxcatcodes,format("\\setcclcuc{%i}{%i}{%i}",code,lc,uc))
+ end
+ if cc == "lu" then
+ texprint(ctxcatcodes,"\\sfcode ",code,"999 ")
+ end
+ if cc == "lo" and chr.range then
+ texsprint(ctxcatcodes,format('\\dofastrecurse{"%05X}{"%05X}{1}{\\setcclcucself\\fastrecursecounter}',code,chr.range))
+ end
+ end
+end
+
+--[[ldx--
+<p>Next comes a whole series of helper methods. These are (will be) part
+of the official <l n='api'/>.</p>
+--ldx]]--
+
+--[[ldx--
+<p>This converts a string (if given) into a number.</p>
+--ldx]]--
+
+function characters.number(n)
+ if type(n) == "string" then return tonumber(n,16) else return n end
+end
+
+--[[ldx--
+<p>Checking for valid characters.</p>
+--ldx]]--
+
+function characters.is_valid(s)
+ return s or ""
+end
+
+function characters.checked(s, default)
+ return s or default
+end
+
+characters.valid = characters.is_valid
+
+--[[ldx--
+<p></p>
+--ldx]]--
+-- set a table entry; index is number (can be different from unicodeslot)
+
+function characters.set(n, c)
+ data[characters.number(n)] = c
+end
+
+--[[ldx--
+<p>Get a table entry happens by number. Keep in mind that the unicodeslot
+can be different (not likely).</p>
+--ldx]]--
+
+function characters.get(n)
+ return data[characters.number(n)]
+end
+
+--[[ldx--
+<p>A couple of convenience methods. Beware, these are not that fast due
+to the checking.</p>
+--ldx]]--
+
+function characters.hexindex(n)
+ return format("%04X", characters.valid(data[characters.number(n)].unicodeslot))
+end
+
+function characters.contextname(n)
+ return characters.valid(data[characters.number(n)].contextname)
+end
+
+function characters.adobename(n)
+ return characters.valid(data[characters.number(n)].adobename)
+end
+
+function characters.description(n)
+ return characters.valid(data[characters.number(n)].description)
+end
+
+function characters.category(n)
+ return characters.valid(data[characters.number(n)].category)
+end
+
+--[[ldx--
+<p>Requesting lower and uppercase codes:</p>
+--ldx]]--
+
+function characters.uccode(n) return data[n].uccode or n end
+function characters.lccode(n) return data[n].lccode or n end
+
+function characters.flush(n)
+ local c = data[n]
+ if c and c.contextname then
+ texsprint(texcatcodes, "\\"..c.contextname)
+ else
+ texsprint(utfchar(n))
+ end
+end
+
+function characters.shape(n)
+ local shcode = data[n].shcode
+ if not shcode then
+ return n, nil
+ elseif type(shcode) == "table" then
+ return shcode[1], shcode[#shcode]
+ else
+ return shcode, nil
+ end
+end
+
+--[[ldx--
+<p>Categories play an important role, so here are some checkers.</p>
+--ldx]]--
+
+function characters.is_of_category(token,category)
+ if type(token) == "string" then
+ return data[utfbyte(token)].category == category
+ else
+ return data[token].category == category
+ end
+end
+
+function characters.i_is_of_category(i,category) -- by index (number)
+ local cd = data[i]
+ return cd and cd.category == category
+end
+
+function characters.n_is_of_category(n,category) -- by name (string)
+ local cd = data[utfbyte(n)]
+ return cd and cd.category == category
+end
+
+-- xml support (moved)
+
+function characters.remapentity(chr,slot)
+ texsprint(format("{\\catcode%s=13\\xdef%s{\\string%s}}",slot,utfchar(slot),chr))
+end
+
+characters.active_offset = 0x10000 -- there will be remapped in that byte range
+
+-- xml.entities = xml.entities or { }
+--
+-- storage.register("xml/entities",xml.entities,"xml.entities") -- this will move to lxml
+--
+-- function characters.setmkiventities()
+-- local entities = xml.entities
+-- entities.lt = "<"
+-- entities.amp = "&"
+-- entities.gt = ">"
+-- end
+--
+-- function characters.setmkiientities()
+-- local entities = xml.entities
+-- entities.lt = utfchar(characters.active_offset + utfbyte("<"))
+-- entities.amp = utfchar(characters.active_offset + utfbyte("&"))
+-- entities.gt = utfchar(characters.active_offset + utfbyte(">"))
+-- end
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 07:18:59 +0000