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Commit | Line | Data |
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7683e9e5 | 1 | #!/usr/bin/perl -w |
b2441318 | 2 | # SPDX-License-Identifier: GPL-2.0 |
7683e9e5 LT |
3 | |
4 | use strict; | |
5 | ||
fe909030 | 6 | my $P = $0; |
7683e9e5 | 7 | |
61f74164 | 8 | # sort comparison functions |
7683e9e5 LT |
9 | sub by_category($$) { |
10 | my ($a, $b) = @_; | |
11 | ||
12 | $a = uc $a; | |
13 | $b = uc $b; | |
14 | ||
15 | # This always sorts last | |
16 | $a =~ s/THE REST/ZZZZZZ/g; | |
17 | $b =~ s/THE REST/ZZZZZZ/g; | |
18 | ||
61f74164 JP |
19 | return $a cmp $b; |
20 | } | |
21 | ||
22 | sub by_pattern($$) { | |
23 | my ($a, $b) = @_; | |
24 | my $preferred_order = 'MRPLSWTQBCFXNK'; | |
25 | ||
26 | my $a1 = uc(substr($a, 0, 1)); | |
27 | my $b1 = uc(substr($b, 0, 1)); | |
28 | ||
29 | my $a_index = index($preferred_order, $a1); | |
30 | my $b_index = index($preferred_order, $b1); | |
31 | ||
32 | $a_index = 1000 if ($a_index == -1); | |
33 | $b_index = 1000 if ($b_index == -1); | |
34 | ||
35 | if (($a1 =~ /^F$/ && $b1 =~ /^F$/) || | |
36 | ($a1 =~ /^X$/ && $b1 =~ /^X$/)) { | |
37 | return $a cmp $b; | |
38 | } | |
39 | ||
40 | if ($a_index < $b_index) { | |
41 | return -1; | |
42 | } elsif ($a_index == $b_index) { | |
43 | return 0; | |
44 | } else { | |
45 | return 1; | |
46 | } | |
7683e9e5 LT |
47 | } |
48 | ||
fe909030 JP |
49 | sub trim { |
50 | my $s = shift; | |
51 | $s =~ s/\s+$//; | |
52 | $s =~ s/^\s+//; | |
53 | return $s; | |
54 | } | |
55 | ||
7683e9e5 | 56 | sub alpha_output { |
fe909030 JP |
57 | my ($hashref, $filename) = (@_); |
58 | ||
59 | open(my $file, '>', "$filename") or die "$P: $filename: open failed - $!\n"; | |
60 | foreach my $key (sort by_category keys %$hashref) { | |
61f74164 | 61 | if ($key eq " ") { |
fe909030 JP |
62 | chomp $$hashref{$key}; |
63 | print $file $$hashref{$key}; | |
61f74164 | 64 | } else { |
fe909030 JP |
65 | print $file "\n" . $key . "\n"; |
66 | foreach my $pattern (sort by_pattern split('\n', %$hashref{$key})) { | |
67 | print $file ($pattern . "\n"); | |
61f74164 JP |
68 | } |
69 | } | |
7683e9e5 | 70 | } |
fe909030 | 71 | close($file); |
7683e9e5 LT |
72 | } |
73 | ||
74 | sub file_input { | |
fe909030 JP |
75 | my ($hashref, $filename) = (@_); |
76 | ||
7683e9e5 LT |
77 | my $lastline = ""; |
78 | my $case = " "; | |
fe909030 JP |
79 | $$hashref{$case} = ""; |
80 | ||
81 | open(my $file, '<', "$filename") or die "$P: $filename: open failed - $!\n"; | |
7683e9e5 | 82 | |
fe909030 | 83 | while (<$file>) { |
7683e9e5 LT |
84 | my $line = $_; |
85 | ||
86 | # Pattern line? | |
87 | if ($line =~ m/^([A-Z]):\s*(.*)/) { | |
88 | $line = $1 . ":\t" . trim($2) . "\n"; | |
89 | if ($lastline eq "") { | |
fe909030 | 90 | $$hashref{$case} = $$hashref{$case} . $line; |
7683e9e5 LT |
91 | next; |
92 | } | |
93 | $case = trim($lastline); | |
fe909030 JP |
94 | exists $$hashref{$case} and die "Header '$case' already exists"; |
95 | $$hashref{$case} = $line; | |
7683e9e5 LT |
96 | $lastline = ""; |
97 | next; | |
98 | } | |
99 | ||
100 | if ($case eq " ") { | |
fe909030 | 101 | $$hashref{$case} = $$hashref{$case} . $lastline; |
7683e9e5 LT |
102 | $lastline = $line; |
103 | next; | |
104 | } | |
105 | trim($lastline) eq "" or die ("Odd non-pattern line '$lastline' for '$case'"); | |
106 | $lastline = $line; | |
107 | } | |
fe909030 JP |
108 | $$hashref{$case} = $$hashref{$case} . $lastline; |
109 | close($file); | |
7683e9e5 LT |
110 | } |
111 | ||
fe909030 | 112 | my %hash; |
b95c29a2 | 113 | my %new_hash; |
fe909030 JP |
114 | |
115 | file_input(\%hash, "MAINTAINERS"); | |
b95c29a2 JP |
116 | |
117 | foreach my $type (@ARGV) { | |
118 | foreach my $key (keys %hash) { | |
119 | if ($key =~ /$type/ || $hash{$key} =~ /$type/) { | |
120 | $new_hash{$key} = $hash{$key}; | |
121 | delete $hash{$key}; | |
122 | } | |
123 | } | |
124 | } | |
125 | ||
fe909030 | 126 | alpha_output(\%hash, "MAINTAINERS.new"); |
b95c29a2 | 127 | alpha_output(\%new_hash, "SECTION.new"); |
61f74164 | 128 | |
7683e9e5 | 129 | exit(0); |