X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=lib%2FZOOM%2FIRSpy%2FUtils.pm;h=8113bcfe969e82ec87fcc7d3633b5b1d3667d995;hb=91a7b13bddd4465e0a3c31994368811f7840a507;hp=adbb75ac0ccc2a5536747ca83256e239b76d3806;hpb=6a89a933956445a8752e4e5229b6ebbbf2f36908;p=irspy-moved-to-github.git

diff --git a/lib/ZOOM/IRSpy/Utils.pm b/lib/ZOOM/IRSpy/Utils.pm
index adbb75a..8113bcf 100644
--- a/lib/ZOOM/IRSpy/Utils.pm
+++ b/lib/ZOOM/IRSpy/Utils.pm
@@ -1,4 +1,4 @@
-# $Id: Utils.pm,v 1.13 2006-11-14 16:04:36 mike Exp $
+# $Id: Utils.pm,v 1.16 2006-11-29 17:22:00 mike Exp $
 
 package ZOOM::IRSpy::Utils;
 
@@ -8,9 +8,10 @@ use warnings;
 
 use Exporter 'import';
 our @EXPORT_OK = qw(xml_encode 
+		    cql_quote
+		    cql_target
 		    irspy_xpath_context
-		    modify_xml_document
-		    inheritance_tree);
+		    modify_xml_document);
 
 use XML::LibXML;
 use XML::LibXML::XPathContext;
@@ -26,7 +27,13 @@ our $IRSPY_NS = 'http://indexdata.com/irspy/1.0';
 # Template::Plugin both roll their own.  So I will do likewise.  D'oh!
 #
 sub xml_encode {
-    my ($text) = @_;
+    my($text, $fallback) = @_;
+
+    $text = $fallback if !defined $text;
+    use Carp;
+    confess "xml_encode(): text and fallback both undefined"
+	if !defined $text;
+
     $text =~ s/&/&/g;
     $text =~ s/</&lt;/g;
     $text =~ s/>/&gt;/g;
@@ -36,6 +43,26 @@ sub xml_encode {
 }
 
 
+# Quotes a term for use in a CQL query
+sub cql_quote {
+    my($term) = @_;
+
+    $term =~ s/([""\\])/\\$1/g;
+    $term = qq["$term"] if $term =~ /\s/;
+    return $term;
+}
+
+
+# Makes a CQL query that finds a specified target
+sub cql_target {
+    my($host, $port, $db) = @_;
+
+    return ("host=" . cql_quote($host) . " and " .
+	    "port=" . cql_quote($port) . " and " .
+	    "path=" . cql_quote($db));
+}
+
+
 # PRIVATE to irspy_namespace() and irspy_xpath_context()
 my %_namespaces = (
 		   e => 'http://explain.z3950.org/dtd/2.0/',
@@ -74,7 +101,7 @@ sub irspy_xpath_context {
 sub modify_xml_document {
     my($xc, $fieldsByKey, $data) = @_;
 
-    my $nchanges = 0;
+    my @changes = ();
     foreach my $key (keys %$data) {
 	my $value = $data->{$key};
 	my $ref = $fieldsByKey->{$key} or die "no field '$key'";
@@ -88,7 +115,7 @@ sub modify_xml_document {
 	    if ($node->isa("XML::LibXML::Attr")) {
 		if ($value ne $node->getValue()) {
 		    $node->setValue($value);
-		    $nchanges++;
+		    push @changes, $ref;
 		    #print "Attr $key: '", $node->getValue(), "' -> '$value' ($xpath)<br/>\n";
 		}
 	    } elsif ($node->isa("XML::LibXML::Element")) {
@@ -113,7 +140,7 @@ sub modify_xml_document {
 		$node->removeChildNodes();
 		my $child = new XML::LibXML::Text($value);
 		$node->appendChild($child);
-		$nchanges++;
+		push @changes, $ref;
 		#print "Elem $key: '$old' -> '$value' ($xpath)<br/>\n";
 	    } else {
 		warn "unexpected node type $node";
@@ -124,11 +151,11 @@ sub modify_xml_document {
 	    my($ppath, $selector) = $xpath =~ /(.*)\/(.*)/;
 	    dom_add_node($xc, $ppath, $selector, $value, @addAfter);
 	    #print "New $key ($xpath) = '$value'<br/>\n";
-	    $nchanges++;
+	    push @changes, $ref;
 	}
     }
 
-    return $nchanges;
+    return @changes;
 }