X-Git-Url: http://git.indexdata.com/?p=irspy-moved-to-github.git;a=blobdiff_plain;f=lib%2FZOOM%2FIRSpy%2FUtils.pm;h=5c01a7bd1a742139b875d3dbd53254738a2c0e94;hp=b1d233142ae9304f03d9d0a781f213e00df7e6b4;hb=d4b8873e8d663af08dfcfa46f1f376ead55cc6e6;hpb=1d9e1ab49a01c412515e93b36f92a41590d8ab56

diff --git a/lib/ZOOM/IRSpy/Utils.pm b/lib/ZOOM/IRSpy/Utils.pm
index b1d2331..5c01a7b 100644
--- a/lib/ZOOM/IRSpy/Utils.pm
+++ b/lib/ZOOM/IRSpy/Utils.pm
@@ -1,4 +1,3 @@
-# $Id: Utils.pm,v 1.38 2009-04-15 18:16:45 wosch Exp $
 
 package ZOOM::IRSpy::Utils;
 
@@ -20,7 +19,9 @@ our @EXPORT_OK = qw(utf8param
 		    irspy_identifier2target
 		    modify_xml_document
 		    bib1_access_point
-		    render_record);
+		    render_record
+		    calc_reliability_string
+		    calc_reliability_stats);
 
 use XML::LibXML;
 use XML::LibXML::XPathContext;
@@ -103,6 +104,15 @@ sub isodate {
 		   $year+1900, $mon+1, $mday, $hour, $min, $sec);
 }
 
+# strips whitespaces and start and ends of a field
+sub trimField {
+    my $field  = shift;
+
+    $field =~ s/^\s+//;
+    $field =~ s/\s+$//;
+
+    return $field;
+}
 
 # I can't -- just can't, can't, can't -- believe that this function
 # isn't provided by one of the core XML modules.  But the evidence all
@@ -275,6 +285,11 @@ sub _irspy_identifier2target {
 }
 
 
+# Modifies the XML document for which $xc is an XPath context by
+# inserting or replacing the values specified in the hash %$data.  The
+# keys are fieldnames, which are looked up in the register
+# $fieldsByKey to determine, among other things, what their XPath is.
+
 sub modify_xml_document {
     my($xc, $fieldsByKey, $data) = @_;
 
@@ -772,4 +787,26 @@ sub render_record {
 }
 
 
+sub calc_reliability_string {
+    my($xc) = @_;
+
+    my($nok, $nall, $percent) = calc_reliability_stats($xc);
+    return "[untested]" if $nall == 0;
+    return "$nok/$nall = " . $percent . "%";
+}
+
+
+sub calc_reliability_stats {
+    my($xc) = @_;
+
+    my @allpings = $xc->findnodes("i:status/i:probe");
+    my $nall = @allpings;
+    return (0, 0, 0) if $nall == 0;
+    my @okpings = $xc->findnodes('i:status/i:probe[@ok = "1"]');
+    my $nok = @okpings;
+    my $percent = int(100*$nok/$nall);
+    return ($nok, $nall, $percent);
+}
+
+
 1;