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-rw-r--r--tex/context/base/x-mathml.lua784
1 files changed, 784 insertions, 0 deletions
diff --git a/tex/context/base/x-mathml.lua b/tex/context/base/x-mathml.lua
new file mode 100644
index 000000000..2ee3cd090
--- /dev/null
+++ b/tex/context/base/x-mathml.lua
@@ -0,0 +1,784 @@
+if not modules then modules = { } end modules ['x-mathml'] = {
+ version = 1.001,
+ comment = "companion to x-mathml.mkiv",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+local type, next = type, next
+local utf = unicode.utf8
+local texsprint, ctxcatcodes = tex.sprint, tex.ctxcatcodes
+local format, lower, find, gsub = string.format, string.lower, string.find, string.gsub
+local utfchar, utffind, utfgmatch, utfgsub = utf.char, utf.find, utf.gmatch, utf.gsub
+local xmlsprint, xmlcprint, xmltext, xmlcontent = xml.sprint, xml.cprint, xml.text, xml.content
+local lxmltext, get_id = lxml.text, lxml.get_id
+local utfcharacters, utfvalues = string.utfcharacters, string.utfvalues
+local lpegmatch = lpeg.match
+
+lxml.mml = lxml.mml or { }
+
+-- an alternative is to remap to private codes, where we can have
+-- different properties .. to be done; this will move and become
+-- generic
+
+-- todo: handle opening/closing mo's here ... presentation mml is such a mess ...
+
+local doublebar = utfchar(0x2016)
+
+local n_replacements = {
+-- [" "] = utfchar(0x2002), -- "&textspace;" -> tricky, no &; in mkiv
+ ["."] = "{.}",
+ [","] = "{,}",
+ [" "] = "",
+}
+
+local l_replacements = { -- in main table
+ ["|"] = "\\mmlleftdelimiter\\vert",
+ ["{"] = "\\mmlleftdelimiter\\lbrace",
+ ["("] = "\\mmlleftdelimiter(",
+ ["["] = "\\mmlleftdelimiter[",
+ ["<"] = "\\mmlleftdelimiter<",
+ [doublebar] = "\\mmlleftdelimiter\\Vert",
+}
+local r_replacements = { -- in main table
+ ["|"] = "\\mmlrightdelimiter\\vert",
+ ["}"] = "\\mmlrightdelimiter\\rbrace",
+ [")"] = "\\mmlrightdelimiter)",
+ ["]"] = "\\mmlrightdelimiter]",
+ [">"] = "\\mmlrightdelimiter>",
+ [doublebar] = "\\mmlrightdelimiter\\Vert",
+}
+
+local o_replacements = { -- in main table
+ ["@l"] = "\\mmlleftdelimiter.",
+ ["@r"] = "\\mmlrightdelimiter.",
+ ["{"] = "\\mmlleftdelimiter\\lbrace",
+ ["}"] = "\\mmlrightdelimiter\\rbrace",
+ ["|"] = "\\mmlleftorrightdelimiter\\vert",
+ [doublebar] = "\\mmlleftorrightdelimiter\\Vert",
+ ["("] = "\\mmlleftdelimiter(",
+ [")"] = "\\mmlrightdelimiter)",
+ ["["] = "\\mmlleftdelimiter[",
+ ["]"] = "\\mmlrightdelimiter]",
+ ["<"] = "\\mmlleftdelimiter<",
+ [">"] = "\\mmlrightdelimiter>",
+ ["#"] = "\\mmlchar{35}",
+ ["$"] = "\\mmlchar{36}", -- $
+ ["%"] = "\\mmlchar{37}",
+ ["&"] = "\\mmlchar{38}",
+ ["^"] = "\\mmlchar{94}{}", -- strange, sometimes luatex math sees the char instead of \char
+ ["_"] = "\\mmlchar{95}{}", -- so we need the {}
+ ["~"] = "\\mmlchar{126}",
+ [" "] = "",
+ ["°"] = "^\\circ", -- hack
+
+ [utfchar(0xF103C)] = "\\mmlleftdelimiter<",
+ [utfchar(0xF1026)] = "\\mmlchar{38}",
+ [utfchar(0xF103E)] = "\\mmlleftdelimiter>",
+
+}
+
+local i_replacements = {
+ ["sin"] = "\\mathopnolimits{sin}",
+ ["cos"] = "\\mathopnolimits{cos}",
+ ["abs"] = "\\mathopnolimits{abs}",
+ ["arg"] = "\\mathopnolimits{arg}",
+ ["codomain"] = "\\mathopnolimits{codomain}",
+ ["curl"] = "\\mathopnolimits{curl}",
+ ["determinant"] = "\\mathopnolimits{det}",
+ ["divergence"] = "\\mathopnolimits{div}",
+ ["domain"] = "\\mathopnolimits{domain}",
+ ["gcd"] = "\\mathopnolimits{gcd}",
+ ["grad"] = "\\mathopnolimits{grad}",
+ ["identity"] = "\\mathopnolimits{id}",
+ ["image"] = "\\mathopnolimits{image}",
+ ["lcm"] = "\\mathopnolimits{lcm}",
+ ["max"] = "\\mathopnolimits{max}",
+ ["median"] = "\\mathopnolimits{median}",
+ ["min"] = "\\mathopnolimits{min}",
+ ["mode"] = "\\mathopnolimits{mode}",
+ ["mod"] = "\\mathopnolimits{mod}",
+ ["polar"] = "\\mathopnolimits{Polar}",
+ ["exp"] = "\\mathopnolimits{exp}",
+ ["ln"] = "\\mathopnolimits{ln}",
+ ["log"] = "\\mathopnolimits{log}",
+ ["sin"] = "\\mathopnolimits{sin}",
+ ["arcsin"] = "\\mathopnolimits{arcsin}",
+ ["sinh"] = "\\mathopnolimits{sinh}",
+ ["arcsinh"] = "\\mathopnolimits{arcsinh}",
+ ["cos"] = "\\mathopnolimits{cos}",
+ ["arccos"] = "\\mathopnolimits{arccos}",
+ ["cosh"] = "\\mathopnolimits{cosh}",
+ ["arccosh"] = "\\mathopnolimits{arccosh}",
+ ["tan"] = "\\mathopnolimits{tan}",
+ ["arctan"] = "\\mathopnolimits{arctan}",
+ ["tanh"] = "\\mathopnolimits{tanh}",
+ ["arctanh"] = "\\mathopnolimits{arctanh}",
+ ["cot"] = "\\mathopnolimits{cot}",
+ ["arccot"] = "\\mathopnolimits{arccot}",
+ ["coth"] = "\\mathopnolimits{coth}",
+ ["arccoth"] = "\\mathopnolimits{arccoth}",
+ ["csc"] = "\\mathopnolimits{csc}",
+ ["arccsc"] = "\\mathopnolimits{arccsc}",
+ ["csch"] = "\\mathopnolimits{csch}",
+ ["arccsch"] = "\\mathopnolimits{arccsch}",
+ ["sec"] = "\\mathopnolimits{sec}",
+ ["arcsec"] = "\\mathopnolimits{arcsec}",
+ ["sech"] = "\\mathopnolimits{sech}",
+ ["arcsech"] = "\\mathopnolimits{arcsech}",
+ [" "] = "",
+
+ ["false"] = "{\\mr false}",
+ ["notanumber"] = "{\\mr NaN}",
+ ["otherwise"] = "{\\mr otherwise}",
+ ["true"] = "{\\mr true}",
+ ["declare"] = "{\\mr declare}",
+ ["as"] = "{\\mr as}",
+}
+
+local csymbols = {
+ arith1 = {
+ lcm = "lcm",
+ big_lcm = "lcm",
+ gcd = "gcd",
+ big_gcd = "big_gcd",
+ plus = "plus",
+ unary_minus = "minus",
+ minus = "minus",
+ times = "times",
+ divide = "divide",
+ power = "power",
+ abs = "abs",
+ root = "root",
+ sum = "sum",
+ product ="product",
+ },
+ fns = {
+ domain = "domain",
+ range = "codomain",
+ image = "image",
+ identity = "ident",
+--~ left_inverse = "",
+--~ right_inverse = "",
+ inverse = "inverse",
+ left_compose = "compose",
+ lambda = "labmda",
+ },
+ linalg1 = {
+ vectorproduct = "vectorproduct",
+ scalarproduct = "scalarproduct",
+ outerproduct = "outerproduct",
+ transpose = "transpose",
+ determinant = "determinant",
+ vector_selector = "selector",
+--~ matrix_selector = "matrix_selector",
+ },
+ logic1 = {
+ equivalent = "equivalent",
+ ["not"] = "not",
+ ["and"] = "and",
+--~ big_and = "",
+ ["xor"] = "xor",
+--~ big_xor = "",
+ ["or"] = "or",
+--~ big-or= "",
+ implies = "implies",
+ ["true"] = "true",
+ ["false"] = "false",
+ },
+ nums1 = {
+--~ based_integer = "based_integer"
+ rational = "rational",
+ inifinity = "infinity",
+ e = "expenonentiale",
+ i ="imaginaryi",
+ pi = "pi",
+ gamma = "gamma",
+ NaN, "NaN",
+ },
+ relation1 = {
+ eq = "eq",
+ lt = "lt",
+ gt = "gt",
+ neq = "neq",
+ leq = "leq",
+ geq = "geq",
+ approx = "approx",
+ },
+ set1 = {
+ cartesian_product = "cartesianproduct",
+ empty_set = "emptyset",
+ map = "map",
+ size = "card",
+--~ suchthat = "suchthat",
+ set = "set",
+ intersect = "intersect",
+--~ big_intersect = "",
+ union = "union",
+--~ big_union = "",
+ setdiff = "setdiff",
+ subset = "subset",
+ ["in"] = "in",
+ notin = "notin",
+ prsubset = "prsubset",
+ notsubset = "notsubset",
+ notprsubset = "notprsubset",
+ },
+ veccalc1 = {
+ divergence = "divergence",
+ grad = "grad",
+ curl = "curl",
+ Laplacian = "laplacian",
+ },
+ calculus1 = {
+ diff = "diff",
+--~ nthdiff = "",
+ partialdiff = "partialdiff",
+ int = "int",
+--~ defint = "defint",
+ },
+ integer1 = {
+ factorof = "factorof",
+ factorial = "factorial",
+ quotient = "quotient",
+ remainder = "rem",
+ },
+ linalg2 = {
+ vector = "vector",
+ matrix = "matrix",
+ matrixrow = "matrixrow",
+ },
+ mathmkeys = {
+--~ equiv = "",
+--~ contentequiv = "",
+--~ contentequiv_strict = "",
+ },
+ rounding1 = {
+ ceiling = "ceiling",
+ floor = "floor",
+--~ trunc = "trunc",
+--~ round = "round",
+ },
+ setname1 = {
+ P = "primes",
+ N = "naturalnumbers",
+ Z = "integers",
+ rationals = "rationals",
+ R = "reals",
+ complexes = "complexes",
+ },
+ complex1 = {
+--~ complex_cartesian = "complex_cartesian", -- ci ?
+ real = "real",
+ imaginary = "imaginary",
+--~ complex_polar = "complex_polar", -- ci ?
+ argument = "arg",
+ conjugate = "conjugate",
+ },
+ interval1 = { -- not an apply
+--~ "integer_interval" = "integer_interval",
+ interval = "interval",
+ interval_oo = { tag = "interval", closure = "open" },
+ interval_cc = { tag = "interval", closure = "closed" },
+ interval_oc = { tag = "interval", closure = "open-closed" },
+ interval_co = { tag = "interval", closure = "closed-open" },
+ },
+ linalg3 = {
+--~ vector = "vector.column",
+--~ matrixcolumn = "matrixcolumn",
+--~ matrix = "matrix.column",
+ },
+ minmax1 = {
+ min = "min",
+--~ big_min = "",
+ max = "max",
+--~ big_max = "",
+ },
+ piece1 = {
+ piecewise = "piecewise",
+ piece = "piece",
+ otherwise = "otherwise",
+ },
+ error1 = {
+--~ unhandled_symbol = "",
+--~ unexpected_symbol = "",
+--~ unsupported_CD = "",
+ },
+ limit1 = {
+--~ limit = "limit",
+--~ both_sides = "both_sides",
+--~ above = "above",
+--~ below = "below",
+--~ null = "null",
+ tendsto = "tendsto",
+ },
+ list1 = {
+--~ map = "",
+--~ suchthat = "",
+--~ list = "list",
+ },
+ multiset1 = {
+ size = { tag = "card", type="multiset" },
+ cartesian_product = { tag = "cartesianproduct", type="multiset" },
+ empty_set = { tag = "emptyset", type="multiset" },
+--~ multi_set = { tag = "multiset", type="multiset" },
+ intersect = { tag = "intersect", type="multiset" },
+--~ big_intersect = "",
+ union = { tag = "union", type="multiset" },
+--~ big_union = "",
+ setdiff = { tag = "setdiff", type="multiset" },
+ subset = { tag = "subset", type="multiset" },
+ ["in"] = { tag = "in", type="multiset" },
+ notin = { tag = "notin", type="multiset" },
+ prsubset = { tag = "prsubset", type="multiset" },
+ notsubset = { tag = "notsubset", type="multiset" },
+ notprsubset = { tag = "notprsubset", type="multiset" },
+ },
+ quant1 = {
+ forall = "forall",
+ exists = "exists",
+ },
+ s_dist = {
+--~ mean = "mean.dist",
+--~ sdev = "sdev.dist",
+--~ variance = "variance.dist",
+--~ moment = "moment.dist",
+ },
+ s_data = {
+ mean = "mean",
+ sdev = "sdev",
+ variance = "vriance",
+ mode = "mode",
+ median = "median",
+ moment = "moment",
+ },
+ transc1 = {
+ log = "log",
+ ln = "ln",
+ exp = "exp",
+ sin = "sin",
+ cos = "cos",
+ tan = "tan",
+ sec = "sec",
+ csc = "csc",
+ cot = "cot",
+ sinh = "sinh",
+ cosh = "cosh",
+ tanh = "tanh",
+ sech = "sech",
+ csch = "cscs",
+ coth = "coth",
+ arcsin = "arcsin",
+ arccos = "arccos",
+ arctan = "arctan",
+ arcsec = "arcsec",
+ arcscs = "arccsc",
+ arccot = "arccot",
+ arcsinh = "arcsinh",
+ arccosh = "arccosh",
+ arctanh = "arstanh",
+ arcsech = "arcsech",
+ arccsch = "arccsch",
+ arccoth = "arccoth",
+ },
+}
+
+function xml.functions.remapmmlcsymbol(e)
+ local at = e.at
+ local cd = at.cd
+ if cd then
+ cd = csymbols[cd]
+ if cd then
+ local tx = e.dt[1]
+ if tx and tx ~= "" then
+ local tg = cd[tx]
+ if tg then
+ at.cd = nil
+ at.cdbase = nil
+ e.dt = { }
+ if type(tg) == "table" then
+ for k, v in next, tg do
+ if k == "tag" then
+ e.tg = v
+ else
+ at[k] = v
+ end
+ end
+ else
+ e.tg = tg
+ end
+ end
+ end
+ end
+ end
+end
+
+function xml.functions.remapmmlbind(e)
+ e.tg = "apply"
+end
+
+function xml.functions.remapopenmath(e)
+ local tg = e.tg
+ if tg == "OMOBJ" then
+ e.tg = "math"
+ elseif tg == "OMA" then
+ e.tg = "apply"
+ elseif tg == "OMB" then
+ e.tg = "apply"
+ elseif tg == "OMS" then
+ local at = e.at
+ e.tg = "csymbol"
+ e.dt = { at.name or "unknown" }
+ at.name = nil
+ elseif tg == "OMV" then
+ local at = e.at
+ e.tg = "ci"
+ e.dt = { at.name or "unknown" }
+ at.name = nil
+ elseif tg == "OMI" then
+ e.tg = "ci"
+ end
+ e.rn = "mml"
+end
+
+function lxml.mml.checked_operator(str)
+ texsprint(ctxcatcodes,(utfgsub(str,".",o_replacements)))
+end
+
+function lxml.mml.stripped(str)
+ tex.sprint(ctxcatcodes,str:strip())
+end
+
+function table.keys_as_string(t)
+ local k = { }
+ for k,_ in next, t do
+ k[#k+1] = k
+ end
+ return concat(k,"")
+end
+
+--~ local leftdelimiters = "[" .. table.keys_as_string(l_replacements) .. "]"
+--~ local rightdelimiters = "[" .. table.keys_as_string(r_replacements) .. "]"
+
+function characters.remapentity(chr,slot)
+ texsprint(format("{\\catcode%s=13\\xdef%s{\\string%s}}",slot,utfchar(slot),chr))
+end
+
+function lxml.mml.mn(id,pattern)
+ -- maybe at some point we need to interpret the number, but
+ -- currently we assume an upright font
+ local str = xmlcontent(get_id(id)) or ""
+ str = gsub(str,"(%s+)",utfchar(0x205F)) -- medspace e.g.: twenty one (nbsp is not seen)
+ texsprint(ctxcatcodes,(gsub(str,".",n_replacements)))
+end
+
+function lxml.mml.mo(id)
+ local str = xmlcontent(get_id(id)) or ""
+ texsprint(ctxcatcodes,(utfgsub(str,".",o_replacements)))
+end
+
+function lxml.mml.mi(id)
+ local str = xmlcontent(get_id(id)) or ""
+ -- str = gsub(str,"^%s*(.-)%s*$","%1")
+ local rep = i_replacements[str]
+ if rep then
+ texsprint(ctxcatcodes,rep)
+ else
+ texsprint(ctxcatcodes,(gsub(str,".",i_replacements)))
+ end
+end
+
+function lxml.mml.mfenced(id) -- multiple separators
+ id = get_id(id)
+ local left, right, separators = id.at.open or "(", id.at.close or ")", id.at.separators or ","
+ local l, r = l_replacements[left], r_replacements[right]
+ texsprint(ctxcatcodes,"\\enabledelimiter")
+ if l then
+ texsprint(ctxcatcodes,l_replacements[left] or o_replacements[left] or "")
+ else
+ texsprint(ctxcatcodes,o_replacements["@l"])
+ texsprint(ctxcatcodes,left)
+ end
+ texsprint(ctxcatcodes,"\\disabledelimiter")
+ local collected = lxml.filter(id,"/*") -- check the *
+ if collected then
+ local n = #collected
+ if n == 0 then
+ -- skip
+ elseif n == 1 then
+ xmlsprint(collected[1]) -- to be checked
+--~ lxml.all(id,"/*")
+ else
+ local t = { }
+ for s in utfgmatch(separators,"[^%s]") do
+ t[#t+1] = s
+ end
+ for i=1,n do
+ xmlsprint(collected[i]) -- to be checked
+ if i < n then
+ local m = t[i] or t[#t] or ""
+ if m == "|" then
+ m = "\\enabledelimiter\\middle|\\relax\\disabledelimiter"
+ elseif m == doublebar then
+ m = "\\enabledelimiter\\middle|\\relax\\disabledelimiter"
+ elseif m == "{" then
+ m = "\\{"
+ elseif m == "}" then
+ m = "\\}"
+ end
+ texsprint(ctxcatcodes,m)
+ end
+ end
+ end
+ end
+ texsprint(ctxcatcodes,"\\enabledelimiter")
+ if r then
+ texsprint(ctxcatcodes,r_replacements[right] or o_replacements[right] or "")
+ else
+ texsprint(ctxcatcodes,right)
+ texsprint(ctxcatcodes,o_replacements["@r"])
+ end
+ texsprint(ctxcatcodes,"\\disabledelimiter")
+end
+
+local function flush(e,tag,toggle)
+ -- texsprint(ctxcatcodes,(toggle and "^{") or "_{")
+ if toggle then
+ texsprint(ctxcatcodes,"^{")
+ else
+ texsprint(ctxcatcodes,"_{")
+ end
+ if tag == "none" then
+ texsprint(ctxcatcodes,"{}")
+ else
+ xmlsprint(e.dt)
+ end
+ if not toggle then
+ texsprint(ctxcatcodes,"}")
+ else
+ texsprint(ctxcatcodes,"}{}")
+ end
+ return not toggle
+end
+
+function lxml.mml.mmultiscripts(id)
+ local done, toggle = false, false
+ for e in lxml.collected(id,"/*") do
+ local tag = e.tg
+ if tag == "mprescripts" then
+ texsprint(ctxcatcodes,"{}")
+ done = true
+ elseif done then
+ toggle = flush(e,tag,toggle)
+ end
+ end
+ local done, toggle = false, false
+ for e in lxml.collected(id,"/*") do
+ local tag = e.tg
+ if tag == "mprescripts" then
+ break
+ elseif done then
+ toggle = flush(e,tag,toggle)
+ else
+ xmlsprint(e.dt)
+ done = true
+ end
+ end
+end
+
+local columnalignments = {
+ left = "flushleft",
+ right = "flushright",
+ center = "middle",
+}
+
+local rowalignments = {
+ top = "high",
+ bottom = "low",
+ center = "lohi",
+ baseline = "top",
+ axis = "lohi",
+}
+
+local frametypes = {
+ none = "off",
+ solid = "on",
+ dashed = "on",
+}
+
+-- crazy element ... should be a proper structure instead of such a mess
+
+function lxml.mml.mcolumn(root)
+ root = get_id(root)
+ local matrix, numbers = { }, 0
+ local function collect(m,e)
+ local tag = e.tg
+ if tag == "mi" or tag == "mn" or tag == "mo" or tag == "mtext" then
+ local str = xmltext(e)
+ for s in utfcharacters(str) do -- utf.gmatch(str,".") btw, the gmatch was bugged
+ m[#m+1] = { tag, s }
+ end
+ if tag == "mn" then
+ local n = utf.len(str)
+ if n > numbers then
+ numbers = n
+ end
+ end
+ elseif tag == "mspace" or tag == "mline" then
+ local str = e.at.spacing or ""
+ for s in utfcharacters(str) do -- utf.gmatch(str,".") btw, the gmatch was bugged
+ m[#m+1] = { tag, s }
+ end
+ elseif tag == "mline" then
+ m[#m+1] = { tag, e }
+ end
+ end
+ for e in lxml.collected(root,"/*") do
+ local m = { }
+ matrix[#matrix+1] = m
+ if e.tg == "mrow" then
+ -- only one level
+ for e in lxml.collected(e,"/*") do
+ collect(m,e)
+ end
+ else
+ collect(m,e)
+ end
+ end
+ tex.sprint(ctxcatcodes,"\\halign\\bgroup\\hss$#$&$#$\\cr")
+ for i=1,#matrix do
+ local m = matrix[i]
+ local mline = true
+ for j=1,#m do
+ if m[j][1] ~= "mline" then
+ mline = false
+ break
+ end
+ end
+ if mline then
+ tex.sprint(ctxcatcodes,"\\noalign{\\obeydepth\\nointerlineskip}")
+ end
+ for j=1,#m do
+ local mm = m[j]
+ local tag, chr = mm[1], mm[2]
+ if tag == "mline" then
+--~ local n, p = true, true
+--~ for c=1,#matrix do
+--~ local mc = matrix[c][j]
+--~ if mc then
+--~ mc = mc[2]
+--~ if type(mc) ~= "string" then
+--~ n, p = false, false
+--~ break
+--~ elseif find(mc,"^[%d ]$") then -- rangecheck is faster
+--~ -- digit
+--~ elseif not find(mc,"^[%.%,]$") then -- rangecheck is faster
+--~ -- punctuation
+--~ else
+--~ n = false
+--~ break
+--~ end
+--~ end
+--~ end
+--~ if n then
+--~ chr = "\\mmlmcolumndigitrule"
+--~ elseif p then
+--~ chr = "\\mmlmcolumnpunctuationrule"
+--~ else
+--~ chr = "\\mmlmcolumnsymbolrule" -- should be widest char
+--~ end
+ chr = "\\hrulefill"
+ elseif tag == "mspace" then
+ chr = "\\mmlmcolumndigitspace" -- utfchar(0x2007)
+ end
+ if j == numbers + 1 then
+ tex.sprint(ctxcatcodes,"&")
+ end
+ local nchr = n_replacements[chr]
+ tex.sprint(ctxcatcodes,nchr or chr)
+ end
+ tex.sprint(ctxcatcodes,"\\crcr")
+ end
+ tex.sprint(ctxcatcodes,"\\egroup")
+end
+
+local spacesplitter = lpeg.Ct(lpeg.splitat(" "))
+
+function lxml.mml.mtable(root)
+ -- todo: align, rowspacing, columnspacing, rowlines, columnlines
+ root = get_id(root)
+ local at = root.at
+ local rowalign = at.rowalign
+ local columnalign = at.columnalign
+ local frame = at.frame
+ local rowaligns = rowalign and lpegmatch(spacesplitter,rowalign)
+ local columnaligns = columnalign and lpegmatch(spacesplitter,columnalign)
+ local frames = frame and lpegmatch(spacesplitter,frame)
+ local framespacing = at.framespacing or "0pt"
+ local framespacing = at.framespacing or "-\\ruledlinewidth" -- make this an option
+
+ texsprint(ctxcatcodes, format("\\bTABLE[frame=%s,offset=%s]",frametypes[frame or "none"] or "off",framespacing))
+--~ context.bTABLE { frame = frametypes[frame or "none"] or "off", offset = framespacing }
+ for e in lxml.collected(root,"/(mml:mtr|mml:mlabeledtr)") do
+ texsprint(ctxcatcodes,"\\bTR")
+--~ context.bTR()
+ local at = e.at
+ local col = 0
+ local rfr = at.frame or (frames and frames [#frames])
+ local rra = at.rowalign or (rowaligns and rowaligns [#rowaligns])
+ local rca = at.columnalign or (columnaligns and columnaligns[#columnaligns])
+ local ignorelabel = e.tg == "mlabeledtr"
+ for e in lxml.collected(e,"/mml:mtd") do -- nested we can use xml.collected
+ col = col + 1
+ if ignorelabel and col == 1 then
+ -- get rid of label, should happen at the document level
+ else
+ local at = e.at
+ local rowspan, columnspan = at.rowspan or 1, at.columnspan or 1
+ local cra = rowalignments [at.rowalign or (rowaligns and rowaligns [col]) or rra or "center"] or "lohi"
+ local cca = columnalignments[at.columnalign or (columnaligns and columnaligns[col]) or rca or "center"] or "middle"
+ local cfr = frametypes [at.frame or (frames and frames [col]) or rfr or "none" ] or "off"
+ texsprint(ctxcatcodes,format("\\bTD[align={%s,%s},frame=%s,nx=%s,ny=%s]$\\ignorespaces",cra,cca,cfr,columnspan,rowspan))
+--~ texfprint("\\bTD[align={%s,%s},frame=%s,nx=%s,ny=%s]$\\ignorespaces",cra,cca,cfr,columnspan,rowspan)
+--~ context.bTD { align = format("{%s,%s}",cra,cca), frame = cfr, nx = columnspan, ny = rowspan }
+--~ context.bmath()
+--~ context.ignorespaces()
+ xmlcprint(e)
+ texsprint(ctxcatcodes,"\\removeunwantedspaces$\\eTD") -- $
+--~ context.emath()
+--~ context.removeunwantedspaces()
+--~ context.eTD()
+ end
+ end
+--~ if e.tg == "mlabeledtr" then
+--~ texsprint(ctxcatcodes,"\\bTD")
+--~ xmlcprint(xml.first(e,"/!mml:mtd"))
+--~ texsprint(ctxcatcodes,"\\eTD")
+--~ end
+ texsprint(ctxcatcodes,"\\eTR")
+--~ context.eTR()
+ end
+ texsprint(ctxcatcodes, "\\eTABLE")
+--~ context.eTABLE()
+end
+
+function lxml.mml.csymbol(root)
+ root = get_id(root)
+ local at = root.at
+ local encoding = at.encoding or ""
+ local hash = url.hashed(lower(at.definitionUrl or ""))
+ local full = hash.original or ""
+ local base = hash.path or ""
+ local text = string.strip(lxmltext(root))
+--~ texsprint(ctxcatcodes,format("\\mmlapplycsymbol{%s}{%s}{%s}{%s}",full,base,encoding,text))
+ texsprint(ctxcatcodes,"\\mmlapplycsymbol{",full,"}{",base,"}{",encoding,"}{",text,"}")
+end
+
+function lxml.mml.menclosepattern(root)
+ root = get_id(root)
+ local a = root.at.notation
+ if a and a ~= "" then
+ texsprint("mml:enclose:",gsub(a," +",",mml:enclose:"))
+ end
+end