linux-kernel - [PATCH 10/14] scripts/get_abi.pl: represent what in tables

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Date:   Thu, 13 Jun 2019 23:04:16 -0300
From:   Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
To:     Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Mauro Carvalho Chehab <mchehab@...pensource.com>,
        Mauro Carvalho Chehab <mchehab@...radead.org>,
        linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
Subject: [PATCH 10/14] scripts/get_abi.pl: represent what in tables

From: Mauro Carvalho Chehab <mchehab@...pensource.com>

Several entries at the ABI have multiple What: with the same
description.

Instead of showing those symbols as sections, let's show them
as tables. That makes easier to read on the final output,
and avoid too much recursion at Sphinx parsing.

We need to put file references at the end, as we don't want
non-file tables to be mangled with other entries.

Signed-off-by: Mauro Carvalho Chehab <mchehab@...pensource.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
---
 scripts/get_abi.pl | 41 ++++++++++++++++++++++++++++++++++++-----
 1 file changed, 36 insertions(+), 5 deletions(-)

diff --git a/scripts/get_abi.pl b/scripts/get_abi.pl
index c202292af1a2..a2861fcec745 100755
--- a/scripts/get_abi.pl
+++ b/scripts/get_abi.pl
@@ -193,16 +193,19 @@ sub parse_abi {
 #
 # Outputs the book on ReST format
 #
+
 sub output_rest {
-	foreach my $what (sort keys %data) {
+	foreach my $what (sort {
+				($data{$a}->{type} eq "File") cmp ($data{$b}->{type} eq "File") ||
+				$a cmp $b
+			       } keys %data) {
 		my $type = $data{$what}->{type};
 		my $file = $data{$what}->{file};
+		my $filepath = $data{$what}->{filepath};
 
 		my $w = $what;
 		$w =~ s/([\(\)\_\-\*\=\^\~\\])/\\$1/g;
 
-		my $bar = $w;
-		$bar =~ s/./-/g;
 
 		foreach my $p (@{$data{$what}->{label}}) {
 			my ($content, $label) = @{$p};
@@ -222,9 +225,37 @@ sub output_rest {
 			last;
 		}
 
-		print "$w\n$bar\n\n";
 
-		print "- defined on file $file (type: $type)\n\n" if ($type ne "File");
+		$filepath =~ s,.*/(.*/.*),\1,;;
+		$filepath =~ s,[/\-],_,g;;
+		my $fileref = "abi_file_".$filepath;
+
+		if ($type eq "File") {
+			my $bar = $w;
+			$bar =~ s/./-/g;
+
+			print ".. _$fileref:\n\n";
+			print "$w\n$bar\n\n";
+		} else {
+			my @names = split /\s*,\s*/,$w;
+
+			my $len = 0;
+
+			foreach my $name (@names) {
+				$len = length($name) if (length($name) > $len);
+			}
+
+			print "What:\n\n";
+
+			print "+-" . "-" x $len . "-+\n";
+			foreach my $name (@names) {
+				printf "| %s", $name . " " x ($len - length($name)) . " |\n";
+				print "+-" . "-" x $len . "-+\n";
+			}
+			print "\n";
+		}
+
+		print "Defined on file :ref:`$file <$fileref>`\n\n" if ($type ne "File");
 
 		my $desc = $data{$what}->{description};
 		$desc =~ s/^\s+//;
-- 
2.21.0