aggiunte letture da fh, anche lazy

git-svn-id: svn://luxion/repos/WebCoso/trunk@155 fcb26f47-9200-0410-b104-b98ab5b095f3

2 files changed, 72 insertions, 0 deletions

diff --git a/lib/WebCoso/Resource.pm b/lib/WebCoso/Resource.pm
index 077c577..be9a199 100644
--- a/lib/WebCoso/Resource.pm
+++ b/lib/WebCoso/Resource.pm
@@ -70,6 +70,48 @@ sub get_property {
     return;
 }
 
+sub get_property_fh {
+    my $self=shift;
+    my $axes_spec= (ref($_[0]) eq 'HASH') ? (shift) : {};
+    my ($prop_name)=@_;
+
+    my $prop_value=$self->get_property($axes_spec,$prop_name);
+
+    if (ref($prop_value) eq 'CODE') {
+        $prop_value=$prop_value->();
+    }
+
+    if (ref($prop_value)) { # speriamo filehandle...
+        open my $fh,'<&',$prop_value; # dup in lettura
+        seek $fh,0,0;
+        return $fh;
+    }
+    else { # speriamo stringa...
+        open my $fh,'<',\$prop_value;
+        return $fh;
+    }
+}
+
+sub get_property_string {
+    my $self=shift;
+    my $axes_spec= (ref($_[0]) eq 'HASH') ? (shift) : {};
+    my ($prop_name)=@_;
+
+    my $prop_value=$self->get_property($axes_spec,$prop_name);
+
+    if (ref($prop_value) eq 'CODE') {
+        $prop_value=$prop_value->();
+    }
+
+    if (ref($prop_value)) { # speriamo filehandle...
+        seek $prop_value,0,0;
+        return do {local $/;<$prop_value>}
+    }
+    else {
+        return "$prop_value";
+    }
+}
+
 sub get_collections {
     my ($self)=@_;
 
diff --git a/t/04-resource.t b/t/04-resource.t
index 99e7cf3..808629f 100644
--- a/t/04-resource.t
+++ b/t/04-resource.t
@@ -52,3 +52,33 @@ is_deeply([sort $r->get_axes()],['a1','a2'],'2 axes');
 is_deeply([sort $r->get_axis_values('a1')],[1,2,3],'1st axis, 3 values');
 is_deeply([sort $r->get_axis_values('a2')],[2],'2nd axis, 1 value');
 
+# test sui vari get_property_*
+
+$r=WebCoso::Resource->new();
+
+{
+open my $fh,'<',__FILE__;
+$r->set_property(fh=>$fh);
+}
+{
+my $fh=$r->get_property_fh('fh');
+is((scalar <$fh>),"#!/usr/bin/perl\n",'legge fh');
+}
+{
+my $content=$r->get_property_string('fh');
+like($content,qr{^#!/usr/bin/perl\n},'legge string');
+}
+
+$r->set_property(fh=>
+                     sub {
+                         open my $fh,'<',__FILE__;
+                         return $fh;
+                     });
+{
+my $fh=$r->get_property_fh('fh');
+is((scalar <$fh>),"#!/usr/bin/perl\n",'legge fh lazy');
+}
+{
+my $content=$r->get_property_string('fh');
+like($content,qr{^#!/usr/bin/perl\n},'legge string lazy');
+}