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scripts/parse-maintainers.pl
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81f7e3824 Initial Release, ... |
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#!/usr/bin/perl -w # SPDX-License-Identifier: GPL-2.0 use strict; my $P = $0; # sort comparison functions sub by_category($$) { my ($a, $b) = @_; $a = uc $a; $b = uc $b; # This always sorts last $a =~ s/THE REST/ZZZZZZ/g; $b =~ s/THE REST/ZZZZZZ/g; return $a cmp $b; } sub by_pattern($$) { my ($a, $b) = @_; my $preferred_order = 'MRPLSWTQBCFXNK'; my $a1 = uc(substr($a, 0, 1)); my $b1 = uc(substr($b, 0, 1)); my $a_index = index($preferred_order, $a1); my $b_index = index($preferred_order, $b1); $a_index = 1000 if ($a_index == -1); $b_index = 1000 if ($b_index == -1); if (($a1 =~ /^F$/ && $b1 =~ /^F$/) || ($a1 =~ /^X$/ && $b1 =~ /^X$/)) { return $a cmp $b; } if ($a_index < $b_index) { return -1; } elsif ($a_index == $b_index) { return 0; } else { return 1; } } sub trim { my $s = shift; $s =~ s/\s+$//; $s =~ s/^\s+//; return $s; } sub alpha_output { my ($hashref, $filename) = (@_); open(my $file, '>', "$filename") or die "$P: $filename: open failed - $! "; foreach my $key (sort by_category keys %$hashref) { if ($key eq " ") { chomp $$hashref{$key}; print $file $$hashref{$key}; } else { print $file " " . $key . " "; foreach my $pattern (sort by_pattern split(' ', %$hashref{$key})) { print $file ($pattern . " "); } } } close($file); } sub file_input { my ($hashref, $filename) = (@_); my $lastline = ""; my $case = " "; $$hashref{$case} = ""; open(my $file, '<', "$filename") or die "$P: $filename: open failed - $! "; while (<$file>) { my $line = $_; # Pattern line? if ($line =~ m/^([A-Z]):\s*(.*)/) { $line = $1 . ":\t" . trim($2) . " "; if ($lastline eq "") { $$hashref{$case} = $$hashref{$case} . $line; next; } $case = trim($lastline); exists $$hashref{$case} and die "Header '$case' already exists"; $$hashref{$case} = $line; $lastline = ""; next; } if ($case eq " ") { $$hashref{$case} = $$hashref{$case} . $lastline; $lastline = $line; next; } trim($lastline) eq "" or die ("Odd non-pattern line '$lastline' for '$case'"); $lastline = $line; } $$hashref{$case} = $$hashref{$case} . $lastline; close($file); } my %hash; my %new_hash; file_input(\%hash, "MAINTAINERS"); foreach my $type (@ARGV) { foreach my $key (keys %hash) { if ($key =~ /$type/ || $hash{$key} =~ /$type/) { $new_hash{$key} = $hash{$key}; delete $hash{$key}; } } } alpha_output(\%hash, "MAINTAINERS.new"); alpha_output(\%new_hash, "SECTION.new"); exit(0); |