From 2cf05404b968e0ed1b61e837a6fd9700838dafe1 Mon Sep 17 00:00:00 2001
From: Shawn Boyette <sboyette@esilibrary.com>
Date: Mon, 13 Apr 2009 01:15:53 +0000
Subject: [PATCH] working

---
 .../lib/Equinox/Migration/MapDrivenXMLProc.pm      |  105 ++++++++++++++++++--
 1 files changed, 96 insertions(+), 9 deletions(-)

diff --git a/Equinox-Migration/lib/Equinox/Migration/MapDrivenXMLProc.pm b/Equinox-Migration/lib/Equinox/Migration/MapDrivenXMLProc.pm
index 82b0dd2..609468c 100644
--- a/Equinox-Migration/lib/Equinox/Migration/MapDrivenXMLProc.pm
+++ b/Equinox-Migration/lib/Equinox/Migration/MapDrivenXMLProc.pm
@@ -26,6 +26,10 @@ Foo
     use Equinox::Migration::MapDrivenXMLProc;
 
 
+=cut
+
+
+
 =head1 METHODS
 
 
@@ -36,24 +40,107 @@ Foo
 sub new {
     my ($class, %args) = @_;
 
-    my $self = bless { conf => { except => 0,
-                                 range  => { high => 0, low => 0 },
-                                 lastwasrange => 0,
+    my $self = bless { conf => { count => 0,
+                                 total => 0,
+                                 quiet => 0,
                                },
-                       tags => {} }, $class;
-
-    if ($args{file}) {
-        if (-r $args{file}) {
-            $self->{conf}{file} = $args{file};
+                       map  => Equinox::Migration::SubfieldMapper->new(file => $args{mapfile}),
+                       tags => {},
+                       twig => XML::Twig->new( twig_handlers => { record => \&record } ),
+                     }, $class;
+
+    if ($args{marcfile}) {
+        if (-r $args{marcfile}) {
+            $self->{conf}{marc} = $args{marcfile};
             $self->generate;
         } else {
-            die "Can't open tags file: $!\n";
+            die "Can't open marc file: $!\n";
         }
     }
+    $self->{twig}->parsefile($self->{conf}{marc});
+
 
     return $self;
 }
 
+sub parse {
+    my ($self) = @_;
+}
+
+
+sub emit_status {
+    my ($self) = @_;
+    my $c = $self->{conf};
+    return if $c->{quiet};
+    $c->{count}++;
+    my $percent = int(($c->{count} / $c->{total}) * 100);
+    print STDERR "\r$percent% done (", $c->{count}, ")";
+}
+
+
+=head2 XML::Twig CALLBACK ROUTINES
+
+=head3 record
+
+=cut
+
+sub record {
+    my($t, $r)= @_;
+    $self->{holdings} = {};
+
+    my @dfields = $r->children('datafield');
+    for my $d (@dfields) {
+        process_datafields($d);
+    }
+    write_data_out();
+    $r->purge;
+}
+
+=head3 process_datafields
+
+=cut
+
+sub process_datafields {
+    my ($d) = @_;
+    my $map = $self->{map};
+    my $tag = $d->{'att'}->{'tag'};
+
+    if ($tag == 903) {
+        my $s = $d->first_child('subfield');
+        $self->{holdings}{id} = $s->text;;
+    } elsif ($map->has($tag)) {
+        push @{$self->{holdings}{copies}}, { tag => $tag };
+        my @subs = $d->children('subfield');
+        for my $sub (@subs)
+          { process_subs($tag, $sub) }
+    }
+}
+
+=head3 process_subs
+
+=cut
+
+sub process_subs {
+    my ($tag, $sub) = @_;
+    my $map  = $self->{map};
+    my $code = $sub->{'att'}->{'code'};
+
+    unless ($map->has($tag, $code)) {
+        # this is a subfield code we don't have mapped. report on it if this is a sample tag
+        push @{$c->{sample}{$tag}}, $code if defined $c->{sample}{tag};
+        return;
+    }
+
+    my $copy = $self->{holdings}{copies}[-1];
+    my $field = $map->field($tag, $code);
+            if ($map->mod($field) eq 'multi') {
+        my $name = $tag . $code;
+        push @{$copy->{multi}{$name}}, $sub->text;
+    } else {
+        $copy->{uni}{$code} = $sub->text;
+    }
+}
+
 =head1 AUTHOR
 
 Shawn Boyette, C<< <sboyette at esilibrary.com> >>
-- 
1.7.2.5