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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 \& \CONTEXT\ Development Team}]
%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 but it was needed for the transition.
\installcorenamespace{structure}
\installdirectcommandhandler \??structure {structure} % unchecked, so we need to initialize used parameters
% \definesystemvariable{ns}
% \def\structureparameter#1{\csname\??ns#1\endcsname}
% \def\detokenizedstructureparameter#1{\detokenize\expandafter\expandafter\expandafter{\csname\??ns#1\endcsname}}
\setupstructure % not a user command so we might need to change the name
[\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!backreference=,
\c!expansion=\v!no,
\c!xmlsetup=,
\s!catcodes=,
\c!saveinlist=\v!yes,
\c!command=\showstructuredata]
% maybe flags for list, bm, mark
\def\structurereferenceprefixon {+}
\def\structurereferenceprefixoff{-}
\def\setstructurereferenceprefix
{\ifx\currentstructurereferenceprefix\empty
% nothing
\else\ifx\currentstructurereferenceprefix\structurereferenceprefixon
\setupglobalreferenceprefix[\currentstructurereference]%
\else\ifx\currentstructurereferenceprefix\structurereferenceprefixoff
\setupglobalreferenceprefix[]%
\else
\setupglobalreferenceprefix[\currentstructurereferenceprefix]%
\fi\fi\fi
\let\currentstructurereferenceprefix\referenceprefix}
% why xdef ?
\unexpanded\def\structurecomponent
{\dodoubleempty\dostructurecomponent}
\def\dostructurecomponent[#1][#2]% #1=interfaced-settings, #2=optional user data (not yet supported)
{\begingroup
\setupstructure[#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\currentstructurebackreference {\structureparameter\c!backreference}%
\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
\setstructurereferenceprefix
\xdef\currentstructurenumber{\ctxlua{ % todo: combine with next call, adapt marks accordingly
structures.sections.somelevel {
references = {
internal = \nextinternalreference,
block = "\currentsectionblock",
reference = "\currentstructurereference",
referenceprefix = "\currentstructurereferenceprefix",
backreference = "\currentstructurebackreference",
},
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 = "\currentsectionblock",
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 = \!!bs\detokenize{#2}\!!es % will be converted to table at the lua end
}
}}%
\xdef\currentstructurelistnumber{\ctxcommand{addtolist(structures.sections.current())}}%
% \currentstructuresynchronize has to be called someplace, since it introduces a node
\setstructuresynchronization\currentstructurelistnumber
\structureparameter\c!command
\endgroup}
\let\currentstructurenumber \!!zerocount
\let\currentsectioncountervalue \!!zerocount % redefined later
\let\previoussectioncountervalue\!!zerocount % redefined later
% todo: a direct flusher (needed when hidden)
\def\setstructuresynchronization#1% todo: use ctxcontext
{\xdef\currentstructureattribute {\ctxlua {tex.write(structures.references.setinternalreference("\currentstructurereferenceprefix","\currentstructurereference",\nextinternalreference,"\interactionparameter\c!focus"))}}%
\xdef\currentstructuresynchronize{\ctxlatecommand{enhancelist(#1)}}}
\def\reportcurrentstructure{\ctxlua{structures.sections.reportstructure()}}
% 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
% todo: #1 => "#1" ... adapt lua code for name and number
\def\structurenumber {\ctxcommand{structurenumber()}}
\def\structuretitle {\ctxcommand{structuretitle()}}
\def\structurevariable #1{\ctxcommand{structurevariable("#1")}}
\def\structureuservariable #1{\ctxcommand{structureuservariable("#1")}}
\def\structurecatcodedget #1{\ctxcommand{structurecatcodedget("#1")}} % bad name
\def\structuregivencatcodedget #1#2{\ctxcommand{structuregivencatcodedget("#1",\number#2)}} % bad name
\def\structureautocatcodedget #1#2{\ctxcommand{structureautocatcodedget ("#1","#2")}}
\def\namedstructurevariable #1#2{\ctxcommand{namedstructurevariable ("#1","#2")}}
\def\namedstructureuservariable#1#2{\ctxcommand{namedstructureuservariable("#1","#2")}}
\protect \endinput
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