1 files changed, 7 insertions, 0 deletions

diff --git a/content/util.js b/content/util.js
index c4af09e..ccc61cf 100644
--- a/content/util.js
+++ b/content/util.js
@@ -1,70 +1,77 @@
 /*
  * convert unicode string to utf-8 representation.
  * needed for correct md5 hash calculation.
  */
 function toutf8(ucode) {
  var rv = '';
  for(var i=0;i<ucode.length;++i) {
   var cc = ucode.charCodeAt(i);
   if(cc<=0x7F)
    rv += ucode.charAt(i);
   else if(cc<=0x7ff)
    rv += String.fromCharCode(
     0xc0|((cc>> 6)&0x1f),
     0x80|( cc     &0x3f) );
   else if(cc<=0xffff)
    rv += String.fromCharCode(
     0xe0|((cc>>12)&0x0f),
     0x80|((cc>> 6)&0x3f),
     0x80|( cc     &0x3f) );
   else if(cc<=0x1fffff)
    rv += String.fromCharCode(
     0xf0|((cc>>18)&0x07),
     0x80|((cc>>12)&0x3f),
     0x80|((cc>> 6)&0x3f),
     0x80|( cc     &0x3f) );
   else if(cc<=0x03ffffff)
    rv += String.fromCharCode(
     0xf8|((cc>>24)&0x03),
     0x80|((cc>>18)&0x3f),
     0x80|((cc>>12)&0x3f),
     0x80|((cc>> 6)&0x3f),
     0x80|( cc     &0x3f) );
   else if(cc<=0x7fffffff)
    rv += String.fromCharCode(
     0xfc|((cc>>30)&0x01),
     0x80|((cc>>24)&0x3f),
     0x80|((cc>>18)&0x3f),
     0x80|((cc>>12)&0x3f),
     0x80|((cc>> 6)&0x3f),
     0x80|( cc     &0x3f) );
  }
  return rv;
 }
 
 /*
  * extract xpath-specified string value
  */
 function xp_str(xp,x) {
  var rv = x.evaluate(
   xp, x, null, XPathResult.STRING_TYPE, null );
  return rv.stringValue;
 }
 /*
  * extract xpath-specified node
  */
 function xp_node(xp,x) {
  var rv = x.evaluate(
   xp, x, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null );
  return rv.singleNodeValue;
 }
+/*
+ * extract xpath-specified ordered set of nodes
+ */
+function xp_nodes(xp,x) {
+ return x.evaluate(
+  xp, x, null, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null);
+}
 
 /*
  * pull in elements into documents as a member variables
  */
 function pull_elements(th,d,els) {
  for(var e in els) {
   var en=els[e];
   th[en] = d.getElementById(en);
  }
 }