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%D \module
%D [ file=x-fig-00,
%D version=2001.03.21,
%D title=\CONTEXT\ Style File,
%D subtitle=Figure Base Loading,
%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.
% \readfile{x-res-04} \donothing \donothing \endinput
% naast label, ook fig als ref en dan naar fig ref springen
%D This module implements an interface to a figure database
%D and file. The database is formatted in \XML\ conforming
%D the following \DTD:
%D
%D \typefile{x-fig-00.dtd}
%D
%D A figure base coded this way looks like:
%D
%D \starttyping
%D <!-- texexec --pdf --use=fig-01 figtest.xml -->
%D
%D <figurelibrary language="nl">
%D
%D <description>
%D <organization>PRAGMA Advanced Document Engineering</organization>
%D <project>Manuals</project>
%D <product>Beginners Manual</product>
%D <comment>A bunch of figures.</comment>
%D </description>
%D
%D <figure>
%D <file>koe.pdf</file>
%D <label>a dutch cow</label>
%D <copyright>Corel Draw Suite</copyright>
%D <comment>I bet that you've seen this cow before.</comment>
%D </figure>
%D
%D <figure>
%D <dummy width="4cm" height="3cm">non existent</dummy>
%D <label>a european cow</label>
%D <copyright>Nobody</copyright>
%D <comment>When will we talk about European cows?</comment>
%D </figure>
%D
%D </figurelibrary>
%D \stoptyping
%D
%D You can convert this base into a \PDF\ file using
%D \TEXEXEC\ and another module in this suite.
%D
%D \starttyping
%D texexec --pdf --use=fig-make yourfile.xml
%D \stoptyping
%D
%D You can now select a graphic from this file using the
%D
%D \starttyping
%D \externalfigure[a dutch cow][width=4cm]
%D \stoptyping
%D
%D This module overloads this command so that a figure is
%D it first searched in the list of databases.
%D
%D \starttyping
%D \usemodule [fig-base]
%D \usefigurebases[yourfile]
%D \stoptyping
%D
%D The special keyword \type {reset} can be used to reset
%D this list.
%D We park some mkiv code here. Eventually we will hook this into mkiv
%D searching differently (just a standard feature, no need for loading
%D modules because we need less code). Actually, what we do here is more
%D like res-*: we load the xml file once.
% \startluacode
%
% document.figurebases = { }
% document.figurebases.data = { }
% document.figurebases.found = { }
%
% function document.figurebases.find(basename,askedlabel)
% document.figurebases.found = { }
% local base = document.figurebases.data[basename]
% local page = 0
% if not base then
% base = xml.load(basename)
% document.figurebases.data[basename] = base
% end
% for e, d, k in xml.elements(base,"figurelibrary/figure/label") do
% page = page + 1
% if xml.content(d[k]) == askedlabel then
% document.figurebases.found = {
% name = xml.filters.text(e,"file"),
% page = page,
% }
% return true
% end
% end
% return false
% end
%
% function commands.findfigurefilenameinbase(basename,askedlabel)
% if document.figurebases.find(basename,askedlabel) then
% commands.xdef("figurefilename",document.figurebases.found.name or "")
% commands.xdef("figurefilepage",document.figurebases.found.page or "")
% end
% end
%
% \stopluacode
%
% \def\findfigurefilenameinbase#1#2%
% {\ctxlua{commands.findfigurefilenameinbase("#1","\askedlabel")}}
\startcommands dutch english
german czech
italian romanian
usefigurebase: gebruikfiguurbestand usefigurebase
usefigurebase usefigurebase
usefigurebase usefigurebase
\stopcommands
\unprotect
\consultutilityfilefalse
\startXMLmapping [-] [figbase]
\defineXMLprocess [figurelibrary]
\defineXMLignore [description]
\defineXMLignore [copyright]
\defineXMLignore [comment]
\defineXMLignore [status]
\defineXMLpush [file]
\defineXMLpush [label]
\defineXMLpush [dummy]
\defineXMLenvironment [figure] \figbase@StartFigure \figbase@StopFigure
\stopXMLmapping
\newcounter\figurefilepage
\def\figbase@StartFigure
{\bgroup}
\def\figbase@StopFigure
{\doglobal\increment\figurefilepage
\doif\askedlabel{\XMLpop{label}}
{\doglobal\settrue\figurefiledone
\xdef\figurefilename{\XMLpop{file}}\endinput}%
\egroup}
\def\findfigurefilenameinbase#1#2% sets \figurefilename and \figurefilepage
{\processXMLfilegrouped{#1}}
\def\getfigurefilename#1#2%
{\startnointerference
\traceXMLelementsfalse
\startXMLmapping[-][figbase]
\resetfigurefilebase
\XMLerase{file}
\XMLerase{dummy}
\XMLerase{label}
\xdef\figurefilebase{#1}%
\doglobal\newcounter\figurefilepage
\def\askedlabel{#2}
\processcommacommand[\figurepathlist]\dogetfigurefilename
\stopXMLmapping
\stopnointerference}
\globalletempty\figurebasepath
\def\dogetfigurefilename#1%
{\ifx\figurefilename\empty
\bgroup
\xdef\figurefilebasepath{#1}%
\assignfullfilename{#1}{\figurefilebase}\to\filename
\doiffileelse{\filename.xml}
{\doshowfigurestate{base file : \filename}%
\expanded{\findfigurefilenameinbase{\filename.xml}{\askedlabel}}}
\donothing
\ifx\figurefilename\empty\else
% \globallet\figurefilebase\figurefilebase
\globallet\figurefilebase\filename % hm, bad omen that this is needed
\fi
\egroup
\fi}
\def\resetfigurefilebase
{\globalletempty\figurefilebase
\globalletempty\figurefilename
\globalletempty\figurefilebasepath
\globalletempty\figurefilepage}
\def\doanalyzefiguredimensionsfromfile
{\ifcase\figurestatus \ifx\figurebaselist\empty \else
\resetfigurefilebase
\doshowfigurestate{base list : \figurebaselist}%
\processcommacommand[\figurebaselist]\dodoanalyzefiguredimensionsfromfile
\ifx\figurefilename\empty
\doshowfigurestate{base warning : no matching name found}%
\else
\doiffileelse{\figurefilebase.pdf}
{\doshowfigurestate{base file : \figurefilebase.pdf}%
\doshowfigurestate{base page : \figurefilepage}%
\let\figurepathlist\figurefilebasepath
\analyzefigurefilename{\figurefilebase.pdf}\wantedfigurelabel
\let\wantedfigurepage\figurefilepage}
{\doshowfigurestate{base missing : \figurefilebase.pdf}}
\fi
\ifcase\figurestatus
\analyzefigurefilename\expandedfigurename\wantedfigurelabel
\fi
\fi \fi}
\def\dodoanalyzefiguredimensionsfromfile#1%
{\doshowfigurestate{base check : \wantedfigurename\space in #1}%
\getfigurefilename{#1}\wantedfigurename
\ifx\figurefilename\empty\else
\quitcommalist
\fi}
\def\usefigurebase[#1]%
{\doifelse{#1}\v!reset
{\let\figurebaselist\empty}
{\addtocommalist{#1}\figurebaselist}}
\let\figurebaselist\empty
\resetfigurefilebase
\protect \endinput
\usefigurebase[figtest]
\externalfigure[koetje] [width=3cm]
\externalfigure[de molen op de dijk][width=3cm]
\externalfigure[de molen op de dijk][width=2cm]
\externalfigure[weet ik veel] [width=3cm]
\externalfigure[weet ik veel] [width=2cm]
\externalfigure[weet ik wat] [width=2cm]
\externalfigure[koe] [width=2cm]
|
