package SQL::Translator;
# ----------------------------------------------------------------------
-# $Id: Translator.pm,v 1.17 2003-02-26 13:08:59 dlc Exp $
+# $Id: Translator.pm,v 1.24 2003-04-24 16:15:58 kycl4rk Exp $
# ----------------------------------------------------------------------
# Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>,
# darren chamberlain <darren@cpan.org>,
use base 'Class::Base';
$VERSION = '0.01';
-$REVISION = sprintf "%d.%02d", q$Revision: 1.17 $ =~ /(\d+)\.(\d+)/;
+$REVISION = sprintf "%d.%02d", q$Revision: 1.24 $ =~ /(\d+)\.(\d+)/;
$DEBUG = 0 unless defined $DEBUG;
$ERROR = "";
$self->parser ($config->{'parser'} || $config->{'from'} || $DEFAULT_SUB);
$self->producer($config->{'producer'} || $config->{'to'} || $DEFAULT_SUB);
+ #
+ # Set up callbacks for formatting of pk,fk,table,package names in producer
+ #
+ $self->format_table_name($config->{'format_table_name'});
+ $self->format_package_name($config->{'format_package_name'});
+ $self->format_fk_name($config->{'format_fk_name'});
+ $self->format_pk_name($config->{'format_pk_name'});
+
#
# Set the parser_args and producer_args
#
#
$self->{'debug'} = defined $config->{'debug'} ? $config->{'debug'} : $DEBUG;
-
$self->add_drop_table( $config->{'add_drop_table'} );
$self->custom_translate( $config->{'xlate'} );
return $self->_args("producer", @_);
}
-
-
# ----------------------------------------------------------------------
# parser([$parser_spec])
# ----------------------------------------------------------------------
if (-d $filename) {
my $msg = "Cannot use directory '$filename' as input source";
return $self->error($msg);
+ } elsif (ref($filename) eq 'ARRAY') {
+ $self->{'filename'} = $filename;
+ $self->debug("Got array of files: ".join(', ',@$filename)."\n");
} elsif (-f _ && -r _) {
$self->{'filename'} = $filename;
$self->debug("Got filename: '$self->{'filename'}'\n");
local $/;
my $data;
- unless (open FH, $filename) {
- return $self->error("Can't read file '$filename': $!");
- }
+ my @files = ref($filename) eq 'ARRAY' ? @$filename : ($filename);
- $data = <FH>;
- $self->{'data'} = \$data;
+ foreach my $file (@files) {
+ unless (open FH, $file) {
+ return $self->error("Can't read file '$file': $!");
+ }
- unless (close FH) {
- return $self->error("Can't close file '$filename': $!");
- }
+ $data .= <FH>;
+
+ unless (close FH) {
+ return $self->error("Can't close file '$file': $!");
+ }
+ }
+
+ $self->{'data'} = \$data;
}
return $self->{'data'};
$self->filename($filename);
}
- if (my $data = ($self->{'data'} || $self->{'datasource'})) {
+ if (my $data = ($args->{'data'} || $args->{'datasource'})) {
$self->data($data);
}
# Get the data.
# ----------------------------------------------------------------
my $data = $self->data;
- unless (length $$data) {
+ unless (ref($data) eq 'SCALAR' and length $$data) {
return $self->error("Empty data file!");
}
#
# ----------------------------------------------------------------------
sub list_parsers {
- return _list("parsers");
+ return shift->_list("parser");
}
# ----------------------------------------------------------------------
# list_producers as well.
# ----------------------------------------------------------------------
sub list_producers {
- return _list("producers");
+ return shift->_list("producer");
}
# _list($type)
# ----------------------------------------------------------------------
sub _list {
- my $type = ucfirst lc $_[0] || return ();
-
- load("SQL::Translator::$type");
- my $path = catfile(dirname($INC{'SQL/Translator/$type.pm'}), $type);
- my $dh = IO::Dir->new($path);
+ my $self = shift;
+ my $type = shift || return ();
+ my $uctype = ucfirst lc $type;
+ my %found;
+
+ load("SQL::Translator::$uctype") or return ();
+ my $path = catfile "SQL", "Translator", $uctype;
+ for (@INC) {
+ my $dir = catfile $_, $path;
+ $self->debug("_list_${type}s searching $dir");
+ next unless -d $dir;
+
+ my $dh = IO::Dir->new($dir);
+ for (grep /\.pm$/, $dh->read) {
+ s/\.pm$//;
+ $found{ join "::", "SQL::Translator::$uctype", $_ } = 1;
+ }
+ }
- return map { join "::", "SQL::Translator::$type", $_ }
- grep /\.pm$/, $dh->read;
+ return keys %found;
}
# ----------------------------------------------------------------------
sub load {
my $module = do { my $m = shift; $m =~ s[::][/]g; "$m.pm" };
return 1 if $INC{$module};
-
+
eval { require $module };
-
- return if ($@);
+
+ return __PACKAGE__->error($@) if ($@);
return 1;
}
+sub format_table_name {
+ my $self = shift;
+ my $sub = shift;
+ $self->{'_format_table_name'} = $sub if ref $sub eq 'CODE';
+ return $self->{'_format_table_name'}->( $sub, @_ )
+ if defined $self->{'_format_table_name'};
+ return $sub;
+}
+
+sub format_package_name {
+ my $self = shift;
+ my $sub = shift;
+ $self->{'_format_package_name'} = $sub if ref $sub eq 'CODE';
+ return $self->{'_format_package_name'}->( $sub, @_ )
+ if defined $self->{'_format_package_name'};
+ return $sub;
+}
+
+sub format_fk_name {
+ my $self = shift;
+ my $sub = shift;
+ $self->{'_format_fk_name'} = $sub if ref $sub eq 'CODE';
+ return $self->{'_format_fk_name'}->( $sub, @_ )
+ if defined $self->{'_format_fk_name'};
+ return $sub;
+}
+
+sub format_pk_name {
+ my $self = shift;
+ my $sub = shift;
+ $self->{'_format_pk_name'} = $sub if ref $sub eq 'CODE';
+ return $self->{'_format_pk_name'}->( $sub, @_ )
+ if defined $self->{'_format_pk_name'};
+ return $sub;
+}
+
# ----------------------------------------------------------------------
# isa($ref, $type)
#
use SQL::Translator;
my $translator = SQL::Translator->new(
- xlate => $xlate || {}, # Overrides for field translation
- debug => $debug, # Print debug info
- trace => $trace, # Print Parse::RecDescent trace
- no_comments => $no_comments, # Don't include comments in output
- show_warnings => $show_warnings, # Print name mutations, conflicts
- add_drop_table => $add_drop_table, # Add "drop table" statements
+ debug => 1, # Print debug info
+ trace => 0, # Print Parse::RecDescent trace
+ no_comments => 0, # Don't include comments in output
+ show_warnings => 0, # Print name mutations, conflicts
+ add_drop_table => 1, # Add "drop table" statements
+
+ # Make all table names CAPS in producers which support this option
+ format_table_name => sub {my $tablename = shift; return uc($tablename)},
+
+ # Null-op formatting, only here for documentation's sake
+ format_package_name => sub {return shift},
+ format_fk_name => sub {return shift},
+ format_pk_name => sub {return shift},
);
my $output = $translator->translate(
from => "MySQL",
to => "Oracle",
- filename => $file,
+ # Or an arrayref of filenames, i.e. [ $file1, $file2, $file3 ]
+ filename => $file,
) or die $translator->error;
print $output;
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA
+=head1 BUGS
+
+Please use http://rt.cpan.org/ for reporting bugs.
+
=head1 SEE ALSO
L<perl>,
projects / dbsrgits/SQL-Translator.git / blobdiff