Stringify Object instances to their sha1.

[catagits/Gitalist.git] / lib / Gitalist / Git / Object.pm

diff --git a/lib/Gitalist/Git/Object.pm b/lib/Gitalist/Git/Object.pm
index 8eacbef..e791d12 100644 (file)
--- a/lib/Gitalist/Git/Object.pm
+++ b/lib/Gitalist/Git/Object.pm
@@ -1,26 +1,142 @@
 use MooseX::Declare;
+use Moose::Autobox;
 
-class Gitalist::Git::Object {
-    use File::Stat::ModeString qw/mode_to_string/;
+class Gitalist::Git::Object is dirty {
+    use MooseX::Types::Moose qw/Str Int Bool Maybe ArrayRef/;
+    use MooseX::Types::Common::String qw/NonEmptySimpleStr/;
+    use overload '""' => '_to_string';
 
-    has sha1 => ( isa => 'Str',
-                  is => 'ro' );
-    has type => ( isa => 'Str',
+    # repository and sha1 are required initargs
+    has repository => ( isa => 'Gitalist::Git::Repository',
+                     required => 1,
+                     is => 'ro',
+                     weak_ref => 1,
+                     handles => {
+                         _run_cmd => 'run_cmd',
+                         _run_cmd_fh => 'run_cmd_fh',
+                         _run_cmd_list => 'run_cmd_list',
+                         _get_gpp_object => 'get_gpp_object',
+                     },
+                 );
+    has sha1 => ( isa => NonEmptySimpleStr,
+                  required => 1,
                   is => 'ro' );
-    has file => ( isa => 'Str',
+
+    has type => ( isa => NonEmptySimpleStr,
+                  is => 'ro',
+                  required => 1 );
+
+    has $_ => ( isa => NonEmptySimpleStr,
+                required => 1,
+                is => 'ro',
+                lazy_build => 1 )
+        for qw/modestr size/;
+
+    has _gpp_obj => ( isa => 'Git::PurePerl::Object',
+                      required => 1,
+                      is => 'ro',
+                      lazy_build => 1,
+                      handles => [ 'content' ],
+                  );
+
+    # objects can't determine their mode or filename
+    has file => ( isa => NonEmptySimpleStr,
+                  required => 0,
                   is => 'ro' );
-    has mode => ( isa => 'Int',
+    has mode => ( isa => Int,
+                  required => 1,
+                  default => 0,
                   is => 'ro' );
-    has modestr => ( isa => 'Str',
-                     is => 'ro',
-                     lazy_build => 1,
-                 );
+
+    method BUILD { $self->$_() for qw/_gpp_obj size modestr/ }
+
+## Private methods
+    method _to_string {
+        return $self->sha1;
+    };
+
+## Builders
+    method _build__gpp_obj {
+        return $self->_get_gpp_object($self->sha1)
+    }
+
+    method "_build_size" {
+        my $v = $self->_cat_file_with_flag('s');
+        chomp($v);
+        return $v;
+    }
+
+    method _cat_file_with_flag ($flag) {
+        $self->_run_cmd('cat-file', '-' . $flag, $self->{sha1})
+    }
 
     method _build_modestr {
-        my $modestr = mode_to_string($self->{mode});
-        return $modestr;
+        return _mode_str($self->mode);
+    }
+
+    # via gitweb.pm circa line 1305
+    use Fcntl ':mode';
+    use constant {
+        S_IFINVALID => 0030000,
+        S_IFGITLINK => 0160000,
+    };
+
+    # submodule/subrepository, a commit object reference
+    sub S_ISGITLINK($) {
+        return (($_[0] & S_IFMT) == S_IFGITLINK)
     }
 
+    # convert file mode in octal to symbolic file mode string
+    sub _mode_str {
+        my $mode = shift;
 
+        if (S_ISGITLINK($mode)) {
+            return 'm---------';
+        } elsif (S_ISDIR($mode & S_IFMT)) {
+            return 'drwxr-xr-x';
+        } elsif (S_ISLNK($mode)) {
+            return 'lrwxrwxrwx';
+        } elsif (S_ISREG($mode)) {
+            # git cares only about the executable bit
+            if ($mode & S_IXUSR) {
+                return '-rwxr-xr-x';
+            } else {
+                return '-rw-r--r--';
+            }
+        } else {
+            return '----------';
+        }
+    }
 
 } # end class
+
+__END__
+
+=head1 NAME
+
+Gitalist::Git::Object - Model of a git object.
+
+=head1 SYNOPSIS
+
+    my $object = Repository->get_object($sha1);
+
+=head1 DESCRIPTION
+
+Abstract base class for git objects.
+
+
+=head1 ATTRIBUTES
+
+
+=head1 METHODS
+
+
+=head1 AUTHORS
+
+See L<Gitalist> for authors.
+
+=head1 LICENSE
+
+See L<Gitalist> for the license.
+
+=cut