freebsd-ports/Tools/scripts/indent_make_if.pl
Mathieu Arnold 75a1df13c5 Refactor a bit.
Sponsored by:	Absolight
2016-06-17 14:58:36 +00:00

49 lines
1 KiB
Perl
Executable file

#!/usr/bin/env perl
# $FreeBSD$
# perltidy -bext=/ -i=8 -et=8 -l=132 -pt=2 -ce -cti=1
use strict;
use utf8;
use warnings;
my $extension = '.orig';
my $oldargv = q{};
my $spaces = 2;
my $indent;
my $argvout;
sub dotindent {
my $amount = shift;
return '.' . (' ' x ($spaces * $amount));
}
LINE: while (<>) {
# For each file, save a .orig backup.
if ($ARGV ne $oldargv) {
my $backup;
if ($extension !~ /[*]/) {
$backup = $ARGV . $extension;
} else {
($backup = $extension) =~ s/[*]/$ARGV/g;
}
rename $ARGV, $backup;
open $argvout, '>', $ARGV or die "Error for $ARGV: $!";
$oldargv = $ARGV;
$indent = 0;
}
if (/^[.]\s*(?:if|for)/o) { # if/for -> indent and increase indent
s/^[.]\s*/dotindent($indent)/oe;
$indent++;
} elsif (/^[.]\s*end(?:if|for)/o) { # endif/endfor -> decrease indent and indent
$indent--;
s/^[.]\s*/dotindent($indent)/oe;
} elsif (/^[.]\s*(?:else|elif)/o) { # else/elif -> indent one level down
s/^[.]\s*/dotindent($indent-1)/oe;
}
} continue {
# Print the line.
print {$argvout} $_;
}