From 89d46fdcc83d4607110389b0f6a69b039d9284ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9as=20Livet?= <andreas.livet@stormshield.eu>
Date: Tue, 17 Jan 2023 14:12:46 +0100
Subject: [PATCH] Ajout de make pdf avec weasyprint

---
 Makefile        | 12 +++++++++
 pdftoc-to-latex | 71 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 83 insertions(+)
 create mode 100755 pdftoc-to-latex

diff --git a/Makefile b/Makefile
index d0c3cbf..222f524 100644
--- a/Makefile
+++ b/Makefile
@@ -18,3 +18,15 @@ help:
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
 %: Makefile
 	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+
+# Default make weasyprint target has a bug so we have to call it manually on the generated index.html file
+# After that, extract table of content data from the pdf and generate a .tex file
+# Then generate a toc.pdf from the .tex file
+# And put them together in a .pdf file
+# After all, clean up
+pdf: weasyprint
+	weasyprint build/weasyprint/index.html build/weasyprint/index.pdf -s source/css/print-theme.css
+	./pdftoc-to-latex build/weasyprint/index.pdf > build/weasyprint/toc.tex
+	- pdflatex -interaction nonstopmode -output-directory=build/weasyprint build/weasyprint/toc.tex
+	pdftk A=build/weasyprint/index.pdf B=build/weasyprint/toc.pdf cat A1 B A2-end output build/weasyprint/vheliotech.pdf
+	rm build/weasyprint/index.pdf build/weasyprint/toc.tex build/weasyprint/toc.pdf build/weasyprint/GuidedemontageVheliotech.pdf
\ No newline at end of file
diff --git a/pdftoc-to-latex b/pdftoc-to-latex
new file mode 100755
index 0000000..5f475b9
--- /dev/null
+++ b/pdftoc-to-latex
@@ -0,0 +1,71 @@
+#!/usr/bin/perl
+
+# Script taken from https://gitlab.com/derobert/random-toys/blob/master/pdf/pdftoc-to-latex
+# Manually adapt for sphinxdoc generated pdf
+use 5.024;
+use strict;
+use warnings qw(all);
+use IPC::Run3;
+use LaTeX::Encode;
+use Encode qw(decode);
+
+my @levels
+	= qw(chapter section subsection subsubsection paragraph subparagraph);
+my @counters;
+
+my ($data_enc, $data);
+run3 ['pdftk', $ARGV[0], 'dump_data_utf8'], undef, \$data_enc;
+$data = decode('UTF-8', $data_enc, Encode::FB_CROAK);
+
+my @latex_bm;
+
+my $bm;
+foreach (split(/\n/, $data)) {
+	/^Bookmark/ or next;
+	if (/^BookmarkBegin$/) {
+		add_latex_bm($bm) if $bm;
+		$bm = {};
+	} elsif (/^BookmarkLevel: (\d+)$/a) {
+		++$counters[$1 - 1];
+		$#counters = $1 - 1;
+		$bm->{number} = join(q{.}, @counters);
+		$bm->{level} = $1 - 1;
+	} elsif (/^BookmarkTitle: (.+)$/) {
+		# In Sphinx title include a utf-8 icon of a link, so remove it
+		my $title = substr($1, 0, -1);
+		$bm->{title} = latex_encode($title);
+	} elsif (/^BookmarkPageNumber: (\d+)$/a) {
+		$bm->{page} = $1;
+	} else {
+		die "Unknown Bookmark tag in $_\n";
+	}
+}
+add_latex_bm($bm) if $bm;
+
+print <<LATEX;
+\\documentclass{report}
+\\title{Guide de montage Vhéliotech v1.0}
+\\begin{document}
+${ \join('', @latex_bm) }
+\\end{document}
+LATEX
+
+exit 0;
+
+sub add_latex_bm {
+	my $bm     = shift;
+	# Don't extract top level title and subtitle with level > 2
+	if ($bm->{level} == 0 || $bm->{level} > 2) {
+		return;
+	}
+	# Make sections become chapters 
+	my $level  = $levels[$bm->{level} - 1];
+	# Remove the first number because it refers to the root title (ie always 1.X)
+	my $number = substr($bm->{number}, 2);
+	my $title  = $bm->{title};
+	my $page   = $bm->{page};
+
+	push @latex_bm, <<LINE;
+\\contentsline {$level}{\\numberline {$number}$title}{$page}%
+LINE
+}