# BEGIN BPS TAGGED BLOCK {{{
# COPYRIGHT:
# 
# This software is Copyright (c) 2003-2006 Best Practical Solutions, LLC
#                                          <clkao@bestpractical.com>
# 
# (Except where explicitly superseded by other copyright notices)
# 
# 
# LICENSE:
# 
# 
# This program is free software; you can redistribute it and/or
# modify it under the terms of either:
# 
#   a) Version 2 of the GNU General Public License.  You should have
#      received a copy of the GNU General Public License along with this
#      program.  If not, write to the Free Software Foundation, Inc., 51
#      Franklin Street, Fifth Floor, Boston, MA 02110-1301 or visit
#      their web page on the internet at
#      http://www.gnu.org/copyleft/gpl.html.
# 
#   b) Version 1 of Perl's "Artistic License".  You should have received
#      a copy of the Artistic License with this package, in the file
#      named "ARTISTIC".  The license is also available at
#      http://opensource.org/licenses/artistic-license.php.
# 
# This work is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
# 
# CONTRIBUTION SUBMISSION POLICY:
# 
# (The following paragraph is not intended to limit the rights granted
# to you to modify and distribute this software under the terms of the
# GNU General Public License and is only of importance to you if you
# choose to contribute your changes and enhancements to the community
# by submitting them to Best Practical Solutions, LLC.)
# 
# By intentionally submitting any modifications, corrections or
# derivatives to this work, or any other work intended for use with SVK,
# to Best Practical Solutions, LLC, you confirm that you are the
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# END BPS TAGGED BLOCK }}}
package SVK::Editor;

use base qw(Class::Accessor::Fast);
__PACKAGE__->mk_accessors(qw(_debug));

use SVK::Editor::ByPass;

sub new {
    my $class = shift;
    # XXX: warn about plain hash passing
    my $arg = ref $_[0] ? $_[0] : { @_ };
    my $self = $class->SUPER::new($arg);

    # setup about debug.
    if ($class ne 'SVK::Editor::ByPass') {
	# XXX: load from SVK::Debug or something to decide what level
	# of debug we want for particular editors.
	$self->_debug(1) if ($ENV{SVKDEBUG} || '') =~ m/\Q$class\E/;
	return SVK::Editor::ByPass->new({ _debug => 1, _editor => $self})
	    if $self->_debug;
    }
    return $self;
}

sub baton_at {
    my ($self, $func) = @_;
    Carp::cluck unless defined $func;
    return -1
	if $func eq 'set_target_revision' || $func eq 'open_root' ||
	    $func eq 'close_edit' || $func eq 'abort_edit';
    return 2 if $func eq 'delete_entry';
    return $func =~ m/^(?:add|open|absent)/ ? 1 : 0;
}

# XXX: original behaviour of svn::delta::editor is "don't care" on
# methods not implemented.  we shuold probably do warn and fix them.
sub AUTOLOAD {}

1;