package SQL::Translator::Parser::XML::XMI;
# -------------------------------------------------------------------
-# $Id: XMI.pm,v 1.1 2003-09-04 15:55:47 grommit Exp $
+# $Id: XMI.pm,v 1.2 2003-09-08 12:27:29 grommit Exp $
# -------------------------------------------------------------------
# Copyright (C) 2003 Mark Addison <mark.addison@itn.co.uk>,
#
use strict;
use vars qw[ $DEBUG $VERSION @EXPORT_OK ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.1 $ =~ /(\d+)\.(\d+)/;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.2 $ =~ /(\d+)\.(\d+)/;
$DEBUG = 0 unless defined $DEBUG;
use Data::Dumper;
}
die "xmideref() needs an Element node."
unless $node->isa("XML::XPath::Node::Element");
-
+
my $id = $node->getAttribute("xmi.idref") or return $node;
return $node->getRootNode->find('//*[@xmi.id="'.$id.'"]');
}
# Parser
#-----------------------------------------------------------------------------
+#
+# is_visible( {ELEMENT|VIS_OF_THING}, VISLEVEL)
+#
+# Returns true or false for whether the visibility of something e.g. Class,
+# Attribute, is visible at the level given.
+#
+{
+ my %vislevel = (
+ public => 1,
+ protected => 2,
+ private => 3,
+ );
+
+ sub is_visible {
+ my ($arg, $vis) = @_;
+ return 1 unless $vis;
+ my $foo;
+ die "is_visible : Needs something to test" unless $arg;
+ if ( $arg->isa("XML::XPath::Node::Element") ) {
+ $foo = $arg->getAttribute("visibility");
+ }
+ else {
+ $foo = $arg;
+ }
+ return 1 if $vislevel{$vis} >= $vislevel{$foo};
+ return 0;
+ }
+}
+
sub parse {
my ( $translator, $data ) = @_;
local $DEBUG = $translator->debug;
my $schema = $translator->schema;
- my $pargs = $translator->parser_args;
-
- my $xp = XML::XPath->new(xml => $data);
+ my $pargs = $translator->parser_args;
+ debug "Visibility Level:$pargs->{visibility}" if $DEBUG;
+
+ my $xp = XML::XPath->new(xml => $data);
$xp->set_namespace("UML", "org.omg.xmi.namespace.UML");
#
# TODO
# - Options to set the initial context node so we don't just
# blindly do all the classes. e.g. Select a diag name to do.
- #
-
+
#
# Work our way through the classes, creating tables. We only
# want class with xmi.id attributes and not the refs to them,
# which will have xmi.idref attributes.
#
my @nodes = $xp->findnodes('//UML:Class[@xmi.id]');
-
+
debug "Found ".scalar(@nodes)." Classes: ".join(", ",
- map {$_->getAttribute("name")} @nodes);
-
+ map {$_->getAttribute("name")} @nodes) if $DEBUG;
+
for my $classnode (@nodes) {
# Only process classes with <<Table>> and name
next unless my $classname = $classnode->getAttribute("name");
+ next unless !$pargs->{visibility}
+ or is_visible($classnode, $pargs->{visibility});
+
my $stereotype = "".$classnode->find(
'xmideref(UML:ModelElement.stereotype/UML:Stereotype)/@name');
next unless $stereotype eq "Table";
-
+
# Add the table
- debug "Adding class: $classname as table:$classname";
+ debug "Adding class: $classname as table:$classname" if $DEBUG;
my $table = $schema->add_table(name=>$classname)
or die "Schema Error: ".$schema->error;
#
# Fields from Class attributes
#
- # name data_type size default_value is_nullable
+ # name data_type size default_value is_nullable
# is_auto_increment is_primary_key is_foreign_key comments
#
foreach my $attrnode ( $classnode->findnodes(
- 'UML:Classifier.feature/UML:Attribute[@xmi.id]',)
+ 'UML:Classifier.feature/UML:Attribute[@xmi.id]',)
) {
next unless my $fieldname = $attrnode->getAttribute("name");
+ next unless !$pargs->{visibility}
+ or is_visible($attrnode, $pargs->{visibility});
+
my $stereotype = "".$attrnode->findvalue(
'xmideref(UML:ModelElement.stereotype/UML:Stereotype)/@name');
my %data = (
$table->primary_key( $field->name ) if $data{'is_primary_key'};
#
# TODO:
- # - We should be able to make the table obj spot this when
+ # - We should be able to make the table obj spot this when
# we use add_field.
#
}
=over 4
-=item visibility TODO
+=item visibility
- visibilty=public|private|protected|package
+ visibilty=public|protected|private
What visibilty of stuff to translate. e.g when set to 'public' any private
-Classes will be ignored and not turned into tables.
-
-=item table_visibility TODO
+and package Classes will be ignored and not turned into tables. Applies
+to Classes and Attributes.
-=item field_visibility TODO
-
-=item table_stereotype Def:Table TODO
-
-What stereotype a class must have to turned into a table.
-
-=item pkey_stereotype Def:PK TODO
+If not set or false (the default) no checks will be made and everything is
+translated.
=back
=head1 BUGS
+Seems to be slow. I think this is because the XMI files can get pretty
+big and complex, especially all the diagram info.
+
=head1 TODO
-Deal with field sizes. Don't think UML does this directly so may need to include
+B<field sizes> Don't think UML does this directly so may need to include
it in the datatype names.
+B<table_visibility and field_visibility args> Seperate control over what is
+parsed, setting visibility arg will set both.
+
Everything else! Relations, fkeys, constraints, indexes, etc...
=head1 AUTHOR
projects / dbsrgits/SQL-Translator.git / blobdiff