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72 lines
1.7 KiB
72 lines
1.7 KiB
2 years ago
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#!/usr/bin/perl
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# Script taken from https://gitlab.com/derobert/random-toys/blob/master/pdf/pdftoc-to-latex
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# Manually adapt for sphinxdoc generated pdf
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use 5.024;
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use strict;
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use warnings qw(all);
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use IPC::Run3;
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use LaTeX::Encode;
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use Encode qw(decode);
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my @levels
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= qw(chapter section subsection subsubsection paragraph subparagraph);
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my @counters;
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my ($data_enc, $data);
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run3 ['pdftk', $ARGV[0], 'dump_data_utf8'], undef, \$data_enc;
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$data = decode('UTF-8', $data_enc, Encode::FB_CROAK);
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my @latex_bm;
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my $bm;
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foreach (split(/\n/, $data)) {
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/^Bookmark/ or next;
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if (/^BookmarkBegin$/) {
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add_latex_bm($bm) if $bm;
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$bm = {};
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} elsif (/^BookmarkLevel: (\d+)$/a) {
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++$counters[$1 - 1];
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$#counters = $1 - 1;
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$bm->{number} = join(q{.}, @counters);
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$bm->{level} = $1 - 1;
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} elsif (/^BookmarkTitle: (.+)$/) {
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# In Sphinx title include a utf-8 icon of a link, so remove it
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my $title = substr($1, 0, -1);
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$bm->{title} = latex_encode($title);
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} elsif (/^BookmarkPageNumber: (\d+)$/a) {
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$bm->{page} = $1;
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} else {
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die "Unknown Bookmark tag in $_\n";
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}
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}
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add_latex_bm($bm) if $bm;
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print <<LATEX;
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\\documentclass{report}
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\\title{Guide de montage Vhéliotech v1.0}
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\\begin{document}
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${ \join('', @latex_bm) }
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\\end{document}
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LATEX
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exit 0;
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sub add_latex_bm {
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my $bm = shift;
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# Don't extract top level title and subtitle with level > 2
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if ($bm->{level} == 0 || $bm->{level} > 2) {
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return;
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}
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# Make sections become chapters
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my $level = $levels[$bm->{level} - 1];
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# Remove the first number because it refers to the root title (ie always 1.X)
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my $number = substr($bm->{number}, 2);
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my $title = $bm->{title};
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my $page = $bm->{page};
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push @latex_bm, <<LINE;
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\\contentsline {$level}{\\numberline {$number}$title}{$page}%
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LINE
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}
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