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Diffstat (limited to 'tex/context/base/x-ct.mkiv')
| -rw-r--r-- | tex/context/base/x-ct.mkiv | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/tex/context/base/x-ct.mkiv b/tex/context/base/x-ct.mkiv new file mode 100644 index 000000000..cf7bb64fb --- /dev/null +++ b/tex/context/base/x-ct.mkiv @@ -0,0 +1,202 @@ +%D \module +%D [ file=x-cals, +%D version=2007.09.05, +%D title=\CONTEXT\ XML Modules, +%D subtitle=\CONTEXT\ Structures, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA ADE}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See mreadme.pdf for +%C details. + +\writestatus{loading}{Context XML Macros (context)} + +\startluacode +do + lxml.context = { } + + local halignments = { + left = 'l', + flushleft = 'l', + right = 'r', + flushright = 'r', + center = 'c', + middle = 'c', + centre = 'c', + justify = '', + } + + local texsprint = tex.sprint + local xmlsprint = xml.sprint + + local function roottemplate(root) + local rt = root.at.template + if rt then + if not rt:find("|") then + rt = rt:gsub(",","|") + end + if not rt:find("^|") then rt = "|" .. rt end + if not rt:find("|$") then rt = rt .. "|" end + end + return rt + end + + local function specifiedtemplate(root,templatespec) + local template = { } + for r, d, k in xml.elements(root,templatespec) do + local at = d[k].at + local tm = halignments[at.align] or "" + if toboolean(at.paragraph) then + tm = tm .. "p" + end + template[#template+1] = tm + end + if #template > 0 then + return "|" .. table.join(template,"|") .. "|" + else + return nil + end + end + + local function autotemplate(root,rowspec,cellspec) + local max = 0 + for r, d, k in xml.elements(root,rowspec) do + local n = xml.count(d[k],cellspec) + if n > max then max = n end + end + if max == 2 then + return "|l|p|" + elseif max > 0 then + return "|" .. string.rep("p|",max) + else + return nil + end + end + + local defaulttemplate = "|l|p|" + + function lxml.context.tabulate(root,namespace) + if not root then + return + else + root = lxml.id(root) + end + + local prefix = (namespace or "context") .. ":" + + local templatespec = "/" .. prefix .. "template" .. "/" .. prefix .. "column" + local bodyrowspec = "/" .. prefix .. "body" .. "/" .. prefix .. "row" + local cellspec = "/" .. prefix .. "cell" + + local template = + roottemplate (root) or + specifiedtemplate (root,templatespec) or + autotemplate (root,bodyrowspec,cellspec) or + defaulttemplate + + lxml.directives.before(root,'cdx') + texsprint(tex.ctxcatcodes, "\\bgroup") + lxml.directives.setup(root,'cdx') + -- todo: head and foot + texsprint(tex.ctxcatcodes, string.format("\\starttabulate[%s]",template)) + for r, d, k in xml.elements(root,bodyrowspec) do + texsprint(tex.ctxcatcodes, "\\NC ") + for r, d, k in xml.elements(d[k],cellspec) do + texsprint(xml.content(d[k])) + texsprint(tex.ctxcatcodes, "\\NC") + end + texsprint(tex.ctxcatcodes, "\\NR") + end + texsprint(tex.ctxcatcodes, "\\stoptabulate") + texsprint(tex.ctxcatcodes, "\\egroup") + lxml.directives.after(root,'cdx') + + end + + function lxml.context.combination(root,namespace) + + if not root then + return + else + root = lxml.id(root) + end + + local prefix = (namespace or "context") .. ":" + + local pairspec = "/" .. prefix .. "pair" + local contentspec = "/" .. prefix .. "content" .. "/text()" + local captionspec = "/" .. prefix .. "caption" .. "/text()" + + local nx, ny = root.at.nx, root.at.ny + + if not (nx or ny) then + nx = xml.count(root,pairspec) or 2 + end + local template = string.format("%s*%s", nx or 1, ny or 1) + + lxml.directives.before(root,'cdx') + texsprint(tex.ctxcatcodes, "\\bgroup") + lxml.directives.setup(root,'cdx') + -- todo: alignments + texsprint(tex.ctxcatcodes, string.format("\\startcombination[%s]",template)) + for r, d, k in xml.elements(root,pairspec) do + local dk = d[k] + texsprint(tex.ctxcatcodes,"{") + xmlsprint(xml.filter(dk,contentspec) or "") + texsprint(tex.ctxcatcodes,"}") + texsprint(tex.ctxcatcodes,"{") + xmlsprint(xml.filter(dk,captionspec) or "") + texsprint(tex.ctxcatcodes,"}") + end + texsprint(tex.ctxcatcodes, "\\stopcombination") + texsprint(tex.ctxcatcodes, "\\egroup") + lxml.directives.after(root,'cdx') + + end + +end +\stopluacode + +\startxmlsetups xml:context:process + \xmlsetfunction {\xmldocument} {context:tabulate} {lxml.context.tabulate} + \xmlsetfunction {\xmldocument} {context:combination} {lxml.context.combination} +\stopxmlsetups + +\xmlregistersetup{xml:context:process} + +\xmlregisterns{context}{context} + +\endinput + +% this replaces: + +% \startxmlsetups tabulate +% \starttabulate[||p|] +% \xmlall{#1}{/body/row} +% \stoptabulate +% \stopxmlsetups +% \startxmlsetups tabulate:row +% \NC \xmlall{#1}{/cell} \NR +% \stopxmlsetups +% \startxmlsetups tabulate:cell +% \xmlflush{#1} \NC +% \stopxmlsetups + +% \startxmlsetups combination +% \startcollecting +% \startcollect +% \startcombination[\xmlatt{#1}{nx}*\xmlatt{#1}{ny}] +% \stopcollect +% \xmlloop {#1} {combiblock} { +% \startcollect +% {\xmli{/content}{##1}} +% {\xmli{/caption}{##1}} +% \stopcollect +% } +% \startcollect +% \stopcombination +% \stopcollect +% \stopcollecting +% \stopxmlsetups |