-package SQL::Translator;
+use MooseX::Declare;
+class SQL::Translator {
+ use TryCatch;
+ use MooseX::Types::Moose qw(Bool HashRef Int Str Undef);
+ use MooseX::Aliases;
+ use SQL::Translator::Types qw(DBIHandle Parser Producer Schema);
+ use SQL::Translator::Object::Schema;
-1;
+ our $VERSION = '0.001';
+ $VERSION = eval $VERSION;
+
+ has 'parser' => (
+ isa => Str,
+ is => 'rw',
+ alias => 'from',
+ );
+
+ has 'producer' => (
+ isa => Str,
+ is => 'rw',
+ alias => 'to',
+ );
+
+ has '_parser' => (
+ isa => Parser,
+ is => 'rw',
+ lazy_build => 1,
+ handles => [ qw(parse) ],
+ predicate => 'has_parser',
+ );
+
+ has '_producer' => (
+ isa => Producer,
+ is => 'rw',
+ lazy_build => 1,
+ handles => [ qw(produce) ],
+ predicate => 'has_producer',
+ );
+
+ has 'dbh' => (
+ isa => DBIHandle,
+ is => 'ro',
+ predicate => 'has_dbh',
+ );
+
+ has 'schema' => (
+ isa => Schema,
+ is => 'rw',
+ lazy => 1,
+ clearer => '_clear_schema',
+ default => sub { SQL::Translator::Object::Schema->new },
+ );
+
+ has 'parser_args' => (
+ isa => HashRef,
+ is => 'rw',
+ predicate => 'has_parser_args',
+ );
+
+ has 'producer_args' => (
+ isa => HashRef,
+ is => 'rw',
+ predicate => 'has_producer_args',
+ );
+
+ has 'data' => (
+ isa => Str,
+ is => 'rw',
+ );
+
+ has 'version' => (isa => Str, is => 'ro', default => $VERSION);
+ has 'add_drop_table' => (isa => Bool, is => 'rw', default => 0);
+ has 'no_comments' => (isa => Bool, is => 'rw', default => 0);
+ has 'show_warnings' => (isa => Bool, is => 'rw', default => 0);
+ has 'trace' => (isa => Bool, is => 'rw', default => 0);
+ has 'quote_table_names' => (isa => Bool, is => 'rw', default => 0);
+ has 'quote_field_names' => (isa => Bool, is => 'rw', default => 0);
+ has 'filename' => (isa => Str, is => 'rw');
+
+ has '_producer_mapping' => (
+ isa => HashRef,
+ is => 'ro',
+ default => sub { { MySQL => 'SQL::MySQL', SQLite => 'SQL::SQLite', PostgreSQL => 'SQL::PostgreSQL', XML => 'XML', YAML => 'YAML' } }
+ );
+
+ method _build__parser {
+ my $class = 'SQL::Translator::Parser';
+
+ Class::MOP::load_class($class);
+
+ my $parser;
+ if ($self->has_dbh) {
+ $parser = $class->new({ translator => $self, dbh => $self->dbh });
+ } else {
+ $parser = $class->new({ translator => $self, type => $self->parser || '' });
+ }
+
+ return $parser;
+ }
+
+ method _build__producer {
+ my $mapping = $self->_producer_mapping;
+
+ my $class = 'SQL::Translator::Producer';
+ my $role = $class . '::' . $mapping->{$self->producer};
+
+ Class::MOP::load_class($class);
+ Class::MOP::load_class($role);
+
+ my $producer = $class->new({ translator => $self });
+ $role->meta->apply($producer);
+
+ return $producer;
+ }
+
+ method translate(:$data, :$producer?, :$producer_args?, :$parser?, :$parser_args?) {
+ my $return;
+
+ $self->_clear_schema if defined $parser;
+ $data ||= $self->data;
+
+ $parser ||= $self->parser unless $self->has_parser;
+ if (defined $parser) {
+ $self->_clear_parser;
+ $self->parser($parser);
+ $self->parse($data);
+ $return = $self->schema;
+ }
+
+ $producer ||= $self->producer unless $self->has_producer;
+ if (defined $producer) {
+ $self->_clear_producer;
+ $self->producer($producer);
+ $return = $self->produce;
+ }
+
+ return $return;
+ }
+
+ method parser_type { return $self->parser }
+ method producer_type { return $self->producer }
+
+ method engine_version(Int|Str|Undef $v, Str $target = 'perl') {
+ return undef unless $v;
+
+ my @vers;
+
+ # X.Y.Z style
+ if ( $v =~ / ^ (\d+) \. (\d{1,3}) (?: \. (\d{1,3}) )? $ /x ) {
+ push @vers, $1, $2, $3;
+ }
+
+ # XYYZZ (mysql) style
+ elsif ( $v =~ / ^ (\d) (\d{2}) (\d{2}) $ /x ) {
+ push @vers, $1, $2, $3;
+ }
+
+ # XX.YYYZZZ (perl) style or simply X
+ elsif ( $v =~ / ^ (\d+) (?: \. (\d{3}) (\d{3}) )? $ /x ) {
+ push @vers, $1, $2, $3;
+ }
+ else {
+ #how do I croak sanely here?
+ die "Unparseable MySQL version '$v'";
+ }
+
+ if ($target eq 'perl') {
+ return sprintf ('%d.%03d%03d', map { $_ || 0 } (@vers) );
+ }
+ elsif ($target eq 'mysql') {
+ return sprintf ('%d%02d%02d', map { $_ || 0 } (@vers) );
+ }
+ else {
+ #how do I croak sanely here?
+ die "Unknown version target '$target'";
+ }
+ }
+}