X-Git-Url: http://git.indexdata.com/?p=irspy-moved-to-github.git;a=blobdiff_plain;f=lib%2FZOOM%2FIRSpy%2FUtils.pm;h=1dc25e113d544a00c2585a00d7a9d1751a604642;hp=0b1f64685261f4453efaf375b3b247e6b099ebbc;hb=9259a5ce6aca71c248970cb7659996623d0c1163;hpb=922eb09e39b1859674720a84d36f204d436acf41

diff --git a/lib/ZOOM/IRSpy/Utils.pm b/lib/ZOOM/IRSpy/Utils.pm
index 0b1f646..1dc25e1 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;
 
@@ -6,8 +5,11 @@ use 5.008;
 use strict;
 use warnings;
 
+use Scalar::Util;
+
 use Exporter 'import';
 our @EXPORT_OK = qw(utf8param
+		    trimField
 		    isodate
 		    xml_encode 
 		    cql_quote
@@ -18,7 +20,9 @@ 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;
@@ -101,6 +105,15 @@ sub isodate {
 		   $year+1900, $mon+1, $mday, $hour, $min, $sec);
 }
 
+# strips whitespaces at 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
@@ -273,6 +286,11 @@ 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) = @_;
 
@@ -770,4 +788,26 @@ 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;