3d9be15fc2
Straight cut & paste. That's the last class. * Make Git::SVN load it on its own, its the only thing that needs it. Signed-off-by: Eric Wong <normalperson@yhbt.net>
60 lines
1.6 KiB
Perl
60 lines
1.6 KiB
Perl
package Git::SVN::GlobSpec;
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use strict;
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use warnings;
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sub new {
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my ($class, $glob, $pattern_ok) = @_;
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my $re = $glob;
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$re =~ s!/+$!!g; # no need for trailing slashes
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my (@left, @right, @patterns);
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my $state = "left";
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my $die_msg = "Only one set of wildcard directories " .
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"(e.g. '*' or '*/*/*') is supported: '$glob'\n";
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for my $part (split(m|/|, $glob)) {
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if ($part =~ /\*/ && $part ne "*") {
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die "Invalid pattern in '$glob': $part\n";
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} elsif ($pattern_ok && $part =~ /[{}]/ &&
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$part !~ /^\{[^{}]+\}/) {
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die "Invalid pattern in '$glob': $part\n";
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}
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if ($part eq "*") {
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die $die_msg if $state eq "right";
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$state = "pattern";
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push(@patterns, "[^/]*");
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} elsif ($pattern_ok && $part =~ /^\{(.*)\}$/) {
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die $die_msg if $state eq "right";
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$state = "pattern";
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my $p = quotemeta($1);
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$p =~ s/\\,/|/g;
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push(@patterns, "(?:$p)");
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} else {
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if ($state eq "left") {
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push(@left, $part);
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} else {
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push(@right, $part);
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$state = "right";
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}
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}
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}
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my $depth = @patterns;
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if ($depth == 0) {
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die "One '*' is needed in glob: '$glob'\n";
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}
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my $left = join('/', @left);
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my $right = join('/', @right);
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$re = join('/', @patterns);
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$re = join('\/',
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grep(length, quotemeta($left), "($re)", quotemeta($right)));
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my $left_re = qr/^\/\Q$left\E(\/|$)/;
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bless { left => $left, right => $right, left_regex => $left_re,
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regex => qr/$re/, glob => $glob, depth => $depth }, $class;
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}
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sub full_path {
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my ($self, $path) = @_;
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return (length $self->{left} ? "$self->{left}/" : '') .
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$path . (length $self->{right} ? "/$self->{right}" : '');
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}
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1;
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