62335bbbc7
Error messages should attempt to fit within the confines of an 80-column terminal to avoid compatibility and accessibility problems. Furthermore the word "directories" can be misleading when used in the context of git refnames. Signed-off-by: Eric Wong <normalperson@yhbt.net>
66 lines
1.8 KiB
Perl
66 lines
1.8 KiB
Perl
package Git::SVN::GlobSpec;
|
|
use strict;
|
|
use warnings;
|
|
|
|
sub new {
|
|
my ($class, $glob, $pattern_ok) = @_;
|
|
my $re = $glob;
|
|
$re =~ s!/+$!!g; # no need for trailing slashes
|
|
my (@left, @right, @patterns);
|
|
my $state = "left";
|
|
my $die_msg = "Only one set of wildcards " .
|
|
"(e.g. '*' or '*/*/*') is supported: $glob\n";
|
|
for my $part (split(m|/|, $glob)) {
|
|
if ($pattern_ok && $part =~ /[{}]/ &&
|
|
$part !~ /^\{[^{}]+\}/) {
|
|
die "Invalid pattern in '$glob': $part\n";
|
|
}
|
|
my $nstars = $part =~ tr/*//;
|
|
if ($nstars > 1) {
|
|
die "Only one '*' is allowed in a pattern: '$part'\n";
|
|
}
|
|
if ($part =~ /(.*)\*(.*)/) {
|
|
die $die_msg if $state eq "right";
|
|
my ($l, $r) = ($1, $2);
|
|
$state = "pattern";
|
|
my $pat = quotemeta($l) . '[^/]*' . quotemeta($r);
|
|
push(@patterns, $pat);
|
|
} elsif ($pattern_ok && $part =~ /^\{(.*)\}$/) {
|
|
die $die_msg if $state eq "right";
|
|
$state = "pattern";
|
|
my $p = quotemeta($1);
|
|
$p =~ s/\\,/|/g;
|
|
push(@patterns, "(?:$p)");
|
|
} else {
|
|
if ($state eq "left") {
|
|
push(@left, $part);
|
|
} else {
|
|
push(@right, $part);
|
|
$state = "right";
|
|
}
|
|
}
|
|
}
|
|
my $depth = @patterns;
|
|
if ($depth == 0) {
|
|
die "One '*' is needed in glob: '$glob'\n";
|
|
}
|
|
my $left = join('/', @left);
|
|
my $right = join('/', @right);
|
|
$re = join('/', @patterns);
|
|
$re = join('\/',
|
|
grep(length, quotemeta($left),
|
|
"($re)(?=/|\$)",
|
|
quotemeta($right)));
|
|
my $left_re = qr/^\/\Q$left\E(\/|$)/;
|
|
bless { left => $left, right => $right, left_regex => $left_re,
|
|
regex => qr/$re/, glob => $glob, depth => $depth }, $class;
|
|
}
|
|
|
|
sub full_path {
|
|
my ($self, $path) = @_;
|
|
return (length $self->{left} ? "$self->{left}/" : '') .
|
|
$path . (length $self->{right} ? "/$self->{right}" : '');
|
|
}
|
|
|
|
1;
|