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%D \module
%D [ file=strc-doc,
%D version=2008.10.20,
%D title=\CONTEXT\ Structure Macros,
%D subtitle=Document Structure,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright=PRAGMA-ADE / Hans Hagen]
%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 Structure Macros / Document Structure}
\registerctxluafile{strc-doc}{1.001}
\unprotect
\def\c!xmlsetup{xmlsetup}
% We operate in a \type {@@ns} namespace. All data is passed through
% variables. Of course we can built another interface on top of this
% that accepts multiple arguments. We might change this approach and
% remove this layer.
\def\currentstructurecounter{0}
\definesystemvariable {ns}
\def\structureparameter#1{\csname\??ns#1\endcsname}
\def\detokenizedstructureparameter#1{\detokenize\expandafter\expandafter\expandafter{\csname\??ns#1\endcsname}}
\def\structurecomponent{\dodoubleempty\dostructurecomponent}
\getparameters % initialization, used not grouped anyway
[\??ns]
[\c!number=,\c!level=,\c!name=,\c!title=,\c!bookmark=,\c!marking=,\c!list=,\c!label=,\c!coupling=,\c!ownnumber=,
\c!sectionseparatorset=\s!default,\c!sectionconversionset=\s!default,
\c!sectionstopper=,\c!sectionstarter=,\c!sectionsegments=,
\c!sectionresetset=,\c!reference=,
\c!expansion=\v!no,
\c!xmlsetup=,
\s!catcodes=,
\c!saveinlist=\v!yes,
\c!command=\showstructuredata]
% maybe flags for list, bm, mark
%
% hm messed up
\def\dostructurecomponent[#1][#2]% #1=interfaced-settings, #2=optional user data (not yet supported)
{\begingroup
\getparameters[\??ns][#1]%
\xdef\currentstructurename {\structureparameter\c!name}%
\xdef\currentstructurecoupling {\structureparameter\c!coupling}%
\xdef\currentstructureownnumber {\structureparameter\c!ownnumber}% optional own number
\xdef\currentstructurelevel {\structureparameter\c!level}%
\edef\currentstructureexpansion {\structureparameter\c!expansion}%
\xdef\currentstructurexmlsetup {\structureparameter\c!xmlsetup}%
\xdef\currentstructurecatcodes {\structureparameter\s!catcodes}%
\xdef\currentstructurelabel {\structureparameter\c!label}%
\xdef\currentstructurereference {\structureparameter\c!reference}%
\xdef\currentstructurereferenceprefix{\structureparameter\c!referenceprefix}%
\xdef\currentstructureshownumber {\structureparameter\c!number}%
\xdef\currentstructuresaveinlist {\structureparameter\c!saveinlist}%
\xdef\currentstructureincrementnumber{\structureparameter\c!incrementnumber}%
\ifx\currentstructureexpansion\s!xml
\xmlstartraw
\xdef\currentstructuretitle {\structureparameter\c!title}%
\xdef\currentstructurebookmark{\structureparameter\c!bookmark}%
\xdef\currentstructuremarking {\structureparameter\c!marking}%
\xdef\currentstructurelist {\structureparameter\c!list}%
\xmlstopraw
\ifx\currentstructurelist\empty
\globallet\currentstructurelist\currentstructuretitle
\fi
\globallet\currentstructurecoding\s!xml
\else
\ifx\currentstructureexpansion\v!yes
\xdef\currentstructuretitle {\structureparameter\c!title}%
\xdef\currentstructurebookmark{\structureparameter\c!bookmark}%
\xdef\currentstructuremarking {\structureparameter\c!marking}%
\xdef\currentstructurelist {\structureparameter\c!list}%
\else
\xdef\currentstructuretitle {\detokenizedstructureparameter\c!title}%
\xdef\currentstructurebookmark{\detokenizedstructureparameter\c!bookmark}%
\xdef\currentstructuremarking {\detokenizedstructureparameter\c!marking}%
\xdef\currentstructurelist {\detokenizedstructureparameter\c!list}%
\iflocation \ifx\currentstructurebookmark\empty
\begingroup
\simplifycommands
\xdef\currentstructurebookmark{\detokenize\expandafter{\normalexpanded{\structureparameter\c!title}}}%
\endgroup
\fi \fi
\fi
\ifx\currentstructurelist\empty
\globallet\currentstructurelist\currentstructuretitle
\fi
\globallet\currentstructurecoding\s!tex
\fi
\setnextinternalreference
\xdef\currentstructurenumber{\ctxlua{ % todo: combine with next call, adapt marks accordingly
structure.sections.somelevel {
references = {
internal = \nextinternalreference,
block = "\currentstructureblock",
reference = "\currentstructurereference",
referenceprefix = "\currentstructurereferenceprefix",
},
directives = {
resetset = "\structureparameter\c!sectionresetset",
},
metadata = {
kind = "section",
name = "\currentstructurename",
catcodes = \the\ifx\currentstructurecatcodes\empty\catcodetable\else\csname\currentstructurecatcodes\endcsname\fi,
coding = "\currentstructurecoding",
\ifx\currentstructurecoding\s!xml
xmlroot = "\xmldocument",
\fi
\ifx\currentstructurexmlsetup\empty \else
xmlsetup = "\currentstructurexmlsetup",
\fi
\ifx\currentstructuresaveinlist\v!no
nolist = true,
\fi
\ifx\currentstructureincrementnumber\v!yes
increment = "\currentstructureincrementnumber",
\fi
},
titledata = { % we can add mark and reference
label = \!!bs\detokenize\expandafter{\currentstructurelabel }\!!es,
title = \!!bs\detokenize\expandafter{\currentstructuretitle }\!!es,
\ifx\currentstructurebookmark\currentstructuretitle \else
bookmark = \!!bs\detokenize\expandafter{\currentstructurebookmark }\!!es,
\fi
\ifx\currentstructuremarking\currentstructuretitle \else
marking = \!!bs\detokenize\expandafter{\currentstructuremarking }\!!es,
\fi
\ifx\currentstructuresaveinlist\v!no \else
\ifx\currentstructurelist\currentstructuretitle \else
list = \!!bs\detokenize\expandafter{\currentstructurelist}\!!es,
\fi
\fi
},
numberdata = {
% needed ?
block = "\currentstructureblock",
hidenumber = \ifx\currentstructureshownumber\v!no true\else nil\fi, % titles
% so far
separatorset = "\structureparameter\c!sectionseparatorset",
conversion = "\structureparameter\c!sectionconversion", % for good old times sake
conversionset = "\structureparameter\c!sectionconversionset",
starter = \!!bs\structureparameter\c!sectionstarter\!!es,
stopper = \!!bs\structureparameter\c!sectionstopper\!!es,
set = "\structureparameter\c!sectionset",
segments = "\structureparameter\c!sectionsegments",
ownnumber = "\currentstructureownnumber",
},
userdata = structure.helpers.touserdata(\!!bs\detokenize{#2}\!!es)
}
}}%
\xdef\currentstructurelistnumber{\ctxlua{structure.lists.push(structure.sections.current())}}%
% \currentstructuresynchronize has to be called someplace, since it introduces a node
\setstructuresynchronization\currentstructurelistnumber
\structureparameter\c!command
\endgroup}
\let\currentstructurenumber \!!zerocount
\let\currentstructurecounter \!!zerocount
\let\previousstructurecounter\!!zerocount
\def\setstructuresynchronization#1%
{\xdef\currentstructureattribute {\ctxlua {tex.write(jobreferences.setinternalreference("\currentstructurereferenceprefix","\currentstructurereference",\nextinternalreference,"\@@iafocus"))}}%
\xdef\currentstructuresynchronize{\ctxlatelua{structure.lists.enhance(#1)}}}
\def\reportcurrentstructure{\ctxlua{structure.sections.writestatus()}}
% Beware: we need to flush the data to the list explicitly. This is because
% node in inserted and we may want control over when that happens.
\def\showstructuredata
{\par
\dontleavehmode\begingroup
\currentstructuresynchronize
\currentstructureattribute
[\currentstructurename: \showstructurelevel: \currentstructuretitle]
\endgroup\par}
% We can access the (stored) data with the following macros.
%
% \def\MyHeadCommand #1#2{\framed{#1}\framed{#2 / \structureuservariable{subtitle}}}
% \def\MyListCommand#1#2#3{\externalfigure[\structurelistuservariable{figure}][height=5mm]#2}
%
% \setuphead[chapter][command=\MyHeadCommand]
% \setuplist[chapter][alternative=command,command=\MyListCommand]
%
% \starttext
% \setupheadertexts[chapter]
% \setupinteraction[state=start]
% \placebookmarks[chapter]
% \placelist[chapter]
% \startchapter[ownnumber=10,title=Ton,list=Hans,marking=Kees,bookmark=Bram][figure=cow.pdf,subtitle=oeps]
% \stopchapter
% \stoptext
\def\structurevariable #1{\ctxlua{structure.sections.structuredata(nil,"#1")}}
\def\structureuservariable #1{\ctxlua{structure.sections.userdata(nil,"#1")}}
\def\structurenumber {\ctxlua{structure.sections.fullnumber()}}
\def\structurecatcodedget #1{\ctxlua{structure.sections.structuredata(nil,"#1",nil,true)}} % bad name
\def\structuregivencatcodedget#1#2{\ctxlua{structure.sections.structuredata(nil,"#1",nil,\number#2)}} % bad name
\def\structureautocatcodedget #1#2{\ctxlua{structure.sections.structuredata(nil,"#1",nil,"#2")}}
\protect \endinput
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