some EXSLT functions missing from XML::LibXSLT

untested, and should really be in a separate distribution

2 files changed, 47 insertions, 0 deletions

diff --git a/lib/WebCoso/XSLT.pm b/lib/WebCoso/XSLT.pm
index 28643c5..b52d596 100644
--- a/lib/WebCoso/XSLT.pm
+++ b/lib/WebCoso/XSLT.pm
@@ -8,6 +8,7 @@ use XML::LibXSLT;
 use DateTime::Format::Strptime;
 use Log::Log4perl ':easy';
 use Data::Dumper;
+use XML::LibXSLT::EXSLT;
 
 my $NS='http://webcoso.thenautilus.net/';
 
@@ -19,6 +20,8 @@ sub new {
     $self->{xml_parser}=XML::LibXML->new();
     $self->{xslt_proc}=XML::LibXSLT->new();
 
+    XML::LibXSLT::EXSLT->apply_to($self->{xslt_proc});
+
     $self->{xslt_proc}->register_function($NS,'title-for',
                                           sub{$self->getTitleForXML(@_)});
     $self->{xslt_proc}->register_function($NS,'dst-uri-for',
diff --git a/lib/XML/LibXSLT/EXSLT.pm b/lib/XML/LibXSLT/EXSLT.pm
new file mode 100644
index 0000000..fce93e9
--- /dev/null
+++ b/lib/XML/LibXSLT/EXSLT.pm
@@ -0,0 +1,44 @@
+package XML::LibXSLT::EXSLT;
+use strict;
+use warnings;
+use XML::LibXML;
+
+my $STRING_NS='http://exslt.org/strings';
+
+my @funcs=(
+    [$STRING_NS,'split',\&estr_split],
+);
+
+sub apply_to {
+    my (undef,$xslt)=@_;
+
+    for my $f (@funcs) {
+        my ($ns,$name,$code)=@$f;
+        $xslt->register_function($ns,$name,$code);
+    }
+    return;
+}
+
+sub estr_split {
+    my ($string,$sep)=@_;
+
+    if (defined $sep) {
+        $sep="$sep";
+    }
+    else {
+        $sep=' ';
+    }
+
+    my @tokens=split /\Q$sep/,"$string";
+    my $doc=XML::LibXML::DocumentFragment->new();
+
+    for my $t (@tokens) {
+        my $e=XML::LibXML::Element->new('token');
+        $e->appendTextNode($t);
+        $doc->appendChild($e);
+    }
+
+    return $doc;
+}
+
+1;