Extract Git::SVN::GlobSpec from git-svn.
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>
diff --git a/perl/Git/SVN.pm b/perl/Git/SVN.pm
index 2e0d7f0..b8b3474 100644
--- a/perl/Git/SVN.pm
+++ b/perl/Git/SVN.pm
@@ -207,6 +207,8 @@
. "must start with 'refs/'\n")
unless $remote_ref =~ m{^refs/};
$local_ref = uri_decode($local_ref);
+
+ require Git::SVN::GlobSpec;
my $rs = {
t => $t,
remote => $remote,
diff --git a/perl/Git/SVN/GlobSpec.pm b/perl/Git/SVN/GlobSpec.pm
new file mode 100644
index 0000000..96cfd98
--- /dev/null
+++ b/perl/Git/SVN/GlobSpec.pm
@@ -0,0 +1,59 @@
+package Git::SVN::GlobSpec;
+use strict;
+use warnings;
+
+sub new {
+ my ($class, $glob, $pattern_ok) = @_;
+ my $re = $glob;
+ $re =~ s!/+$!!g; # no need for trailing slashes
+ my (@left, @right, @patterns);
+ my $state = "left";
+ my $die_msg = "Only one set of wildcard directories " .
+ "(e.g. '*' or '*/*/*') is supported: '$glob'\n";
+ for my $part (split(m|/|, $glob)) {
+ if ($part =~ /\*/ && $part ne "*") {
+ die "Invalid pattern in '$glob': $part\n";
+ } elsif ($pattern_ok && $part =~ /[{}]/ &&
+ $part !~ /^\{[^{}]+\}/) {
+ die "Invalid pattern in '$glob': $part\n";
+ }
+ if ($part eq "*") {
+ die $die_msg if $state eq "right";
+ $state = "pattern";
+ push(@patterns, "[^/]*");
+ } elsif ($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;
