Synchronization (.tex <-> .pdf)

* Synchronization (.tex <-> .pdf)
@ 2003-12-22 14:38 Steffen Wolfrum
  2003-12-22 15:56 ` Nigel King
  2003-12-22 15:58 ` Hans Hagen
  0 siblings, 2 replies; 9+ messages in thread
From: Steffen Wolfrum @ 2003-12-22 14:38 UTC (permalink / raw)
  Cc: jerome.laurens

Hi,

I don't now how many ConTeXt user are aware of the idea of synchronization. In the LaTeX area of TeX it has a kind of tradition (Textures, srcltx, ...) for dvi output.

For PDF output Jérôme Laurens has now written a package (for use with iTeXMac and TeXShop) that makes the advantages from source-output synchronization also available for the todays standard PDF. But as so many things in the TeX world it is written as a "plug-in" for LaTeX.

Does anybody has an idea how to use this great achievement also with ConTeXt?
For those who would like to have a look at Jérôme's great work, I insert his code at the end of this email.

Thank you very much,

Steffen Wolfrum

%%%%  This is pdfsync.sty
%%%%  2003-12-08:
%%%%  There is a bug in using everyvbox... novbox is now the default
%%%%  bug fixed: $0$ was no visible
%%%%  2003-11-28:
%%%%  comment characters added to fix an error. Don't know exactly the cause...
%%%%  Default option is all...
%%%%  Could not use \everydisplay... (bug in eqnarray)
%%%%  2003-11-19
%%%%  first version
%%%% usage: \usepackage[display,cr,vbox]{PDFSYNC}
%%%% appends reference points before each \par and at each \hbox, inline math;
%%%% optionally also at every displayed math, with the option [display]
%%%% optionally also at every \cr, with the option [cr]
%%%% optionally also at every \vbox, with the option [vbox]
%%%%
%%%% If you want additional files to be parsed, please use the command
%%%% \include (which is redefined below)
%%%% This file is due to Piero D'Ancona and jlaurens@users.sourceforge.net
%%%% iTeXMac is supporting pdfsync
%%%% Copy this file to ~/Library/texmf/tex/latex or ~/Library/TeX/texmf/tex/latex if available
%%%% This file is distributed under the GPL and the "smart licence": please make things better if you can
%%%% © 2003, jlaurens@users.sourceforge.net
%
\NeedsTeXFormat{LaTeX2e}%
\ProvidesPackage{pdfsync}[2003/12/08 v0.3]%
\newif\ifPDFSYNCOK%
\newif\ifPDFSYNCStar%
\newif\ifPDFSYNCPar \PDFSYNCPartrue%
\newif\ifPDFSYNCMath \PDFSYNCMathtrue%
\newif\ifPDFSYNCCr \PDFSYNCCrtrue%
\newif\ifPDFSYNCHBox \PDFSYNCHBoxtrue%
\newif\ifPDFSYNCVBox \PDFSYNCVBoxfalse%
\newif\ifPDFSYNCExtra \PDFSYNCExtratrue%
\newwrite\PDFPOS%
\newcount\PDFSYNC@folio\PDFSYNC@folio=0%
\newcount\PDFSYNC@rder\PDFSYNC@rder=0%
\DeclareOption{nopar}{\PDFSYNCParfalse}%
\DeclareOption{nomath}{\PDFSYNCMathfalse}%
\DeclareOption{nocr}{\PDFSYNCCrfalse}%
\DeclareOption{nohbox}{\PDFSYNCHBoxfalse}%
\DeclareOption{novbox}{\PDFSYNCVBoxfalse}%
\DeclareOption{vbox}{\PDFSYNCVBoxtrue}%
\DeclareOption{noextra}{\PDFSYNCExtrafalse}%
\DeclareOption{nothing}{\let\pdfsyncstart\pdfsyncstop}%
\ProcessOptions\relax%
\RequirePackage{everyshi}%
\ifx\pdfsavepos\undefined%
  \wlog{Synchronization is only available with pdf. Use a dvi viewer instead.}%
  \let\pdfsyncstart\relax%
  \let\pdfsyncstop\relax%
  \let\pdfsync\relax%
  \let\@PDFSYNC\relax%
\else%
  \def\pdfsyncstart{\global\PDFSYNCOKtrue}%
  \def\pdfsyncstop{\global\PDFSYNCOKfalse}%
  \EveryShipout{\@PDFSYNC\global\advance\PDFSYNC@folio by 1\immediate\write\PDFPOS{s\space\the\PDFSYNC@folio}}%
   \immediate\openout\PDFPOS\jobname.pdfsync%
    \immediate\write\PDFPOS{\jobname}%            control info
    \immediate\write\PDFPOS{version 0}%            control info
    \let\PDFSYNC@include\include%
    \def\PDFSYNC@@include#1{%
	    \immediate\write\PDFPOS{(#1}%
	    \PDFSYNC@include{#1}\immediate\write\PDFPOS{)}}%
    \let\include\PDFSYNC@@include%
    \def\@PDFSYNC{%
    \ifPDFSYNCOK%
	\pdfsavepos%
	\immediate\write\PDFPOS{l\space\the\PDFSYNC@rder\space\the\inputlineno}%
	\def\position{\the\pdflastxpos\space\the\pdflastypos}%
	\ifPDFSYNCStar%
	    \edef\argument{{p*\space\the\PDFSYNC@rder\space\noexpand\position}}%
	\else%
	    \edef\argument{{p\space\the\PDFSYNC@rder\space\noexpand\position}}%
	\fi%
	\expandafter\write\expandafter\PDFPOS\argument%
	\global\advance\PDFSYNC@rder by 1%
    \fi}%
 \def\pdfsync{\global\PDFSYNCStartrue\@PDFSYNC\global\PDFSYNCStarfalse}%
  \def\PDFSYNC@Extra{%
%  \let\PDFSYNC@maketitle\maketitle\def\maketitle{\pdfsyncstop\PDFSYNC@maketitle\pdfsyncstart}
  \let\PDFSYNC@newline\\\def\\{{\@PDFSYNC}\PDFSYNC@newline}%
  \global\let\PDFSYNC@verse\verse
  \global\def\verse{\PDFSYNC@verse\let\PDFSYNC@newline\\\def\\{{\@PDFSYNC}\PDFSYNC@newline}}%
  }%
\AtBeginDocument{%
\pdfsyncstart%
\ifPDFSYNCPar\global\let\p@@r\par\gdef\par{{\@PDFSYNC}\p@@r}\fi%
\ifPDFSYNCMath\everymath{{\@PDFSYNC}}\fi%
\ifPDFSYNCCr\everycr {{\@PDFSYNC}}\fi%
\ifPDFSYNCHBox\everyhbox {{\@PDFSYNC}}\fi%
\ifPDFSYNCVBox\everyvbox {{\@PDFSYNC}}\fi%there is a bug here
\ifPDFSYNCExtra\PDFSYNC@Extra\fi%
}%
\fi%
\endinput

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