X-Git-Url: http://git.indexdata.com/?p=irspy-moved-to-github.git;a=blobdiff_plain;f=lib%2FZOOM%2FIRSpy%2FUtils.pm;h=e52747f635c16ff933015a44de9dbcf0996af9a0;hp=ca111ceeea03ad03984a5eeaee4dbd370f1c2e37;hb=cffc7e022fec2dc52a445299cccf029c2c9c413a;hpb=c3e355b1c83b6ff55a8e7a428bce627722383d65
diff --git a/lib/ZOOM/IRSpy/Utils.pm b/lib/ZOOM/IRSpy/Utils.pm
index ca111ce..e52747f 100644
--- a/lib/ZOOM/IRSpy/Utils.pm
+++ b/lib/ZOOM/IRSpy/Utils.pm
@@ -1,4 +1,4 @@
-# $Id: Utils.pm,v 1.4 2006-11-01 10:13:26 mike Exp $
+# $Id: Utils.pm,v 1.5 2006-11-01 11:46:10 mike Exp $
package ZOOM::IRSpy::Utils;
@@ -71,15 +71,29 @@ sub modify_xml_document {
print "Attr $key: '", $node->getValue(), "' -> '$value' ($xpath)
\n";
}
} elsif ($node->isa("XML::LibXML::Element")) {
- my $child = $node->firstChild();
- ### Next line fails if data contains a comment ... *sigh*
- die "element child $child is not text"
- if !ref $child || !$child->isa("XML::LibXML::Text");
- if ($value ne $child->getData()) {
- $child->setData($value);
- $nchanges++;
- print "Elem $key: '", $child->getData(), "' -> '$value' ($xpath)
\n";
+ # The contents could be any mixture of text and
+ # comments and maybe even other crud such as processing
+ # instructions. The simplest thing is just to throw it all
+ # away and start again, making a single Text node the
+ # canonical representation. But before we do that,
+ # we'll check whether the element is already
+ # canonical, to determine whether our change is a
+ # no-op.
+ my $old = "???";
+ my @children = $node->childNodes();
+ if (@children == 1) {
+ my $child = $node->firstChild();
+ if (ref $child && ref $child eq "XML::LibXML::Text") {
+ $old = $child->getData();
+ next if $value eq $old;
+ }
}
+
+ $node->removeChildNodes();
+ my $child = new XML::LibXML::Text($value);
+ $node->appendChild($child);
+ $nchanges++;
+ print "Elem $key: '$old' -> '$value' ($xpath)
\n";
} else {
warn "unexpected node type $node";
}