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-rw-r--r--static/js/mathml.js70
1 files changed, 70 insertions, 0 deletions
diff --git a/static/js/mathml.js b/static/js/mathml.js
new file mode 100644
index 0000000..a72c2e5
--- /dev/null
+++ b/static/js/mathml.js
@@ -0,0 +1,70 @@
+/*
+March 19, 2004 MathHTML (c) Peter Jipsen http://www.chapman.edu/~jipsen
+Released under the GNU General Public License version 2 or later.
+See the GNU General Public License (at http://www.gnu.org/copyleft/gpl.html)
+for more details.
+*/
+
+function convertMath(node) {// for Gecko
+ if (node.nodeType==1) {
+ var newnode =
+ document.createElementNS("http://www.w3.org/1998/Math/MathML",
+ node.nodeName.toLowerCase());
+ for(var i=0; i < node.attributes.length; i++)
+ newnode.setAttribute(node.attributes[i].nodeName,
+ node.attributes[i].nodeValue);
+ for (var i=0; i<node.childNodes.length; i++) {
+ var st = node.childNodes[i].nodeValue;
+ if (st==null || st.slice(0,1)!=" " && st.slice(0,1)!="\n")
+ newnode.appendChild(convertMath(node.childNodes[i]));
+ }
+ return newnode;
+ }
+ else return node;
+}
+
+function convert() {
+ var mmlnode = document.getElementsByTagName("math");
+ var st,str,node,newnode;
+ for (var i=0; i<mmlnode.length; i++)
+ if (document.createElementNS!=null)
+ mmlnode[i].parentNode.replaceChild(convertMath(mmlnode[i]),mmlnode[i]);
+ else { // convert for IE
+ str = "";
+ node = mmlnode[i];
+ while (node.nodeName!="/MATH") {
+ st = node.nodeName.toLowerCase();
+ if (st=="#text") str += node.nodeValue;
+ else {
+ str += (st.slice(0,1)=="/" ? "</m:"+st.slice(1) : "<m:"+st);
+ if (st.slice(0,1)!="/")
+ for(var j=0; j < node.attributes.length; j++)
+ if (node.attributes[j].nodeValue!="italic" &&
+ node.attributes[j].nodeValue!="" &&
+ node.attributes[j].nodeValue!="inherit" &&
+ node.attributes[j].nodeValue!=undefined)
+ str += " "+node.attributes[j].nodeName+"="+
+ "\""+node.attributes[j].nodeValue+"\"";
+ str += ">";
+ }
+ node = node.nextSibling;
+ node.parentNode.removeChild(node.previousSibling);
+ }
+ str += "</m:math>";
+ newnode = document.createElement("span");
+ node.parentNode.replaceChild(newnode,node);
+ newnode.innerHTML = str;
+ }
+}
+
+if (document.createElementNS==null) {
+ document.write("<object id=\"mathplayer\"\
+ classid=\"clsid:32F66A20-7614-11D4-BD11-00104BD3F987\"></object>");
+ document.write("<?import namespace=\"m\" implementation=\"#mathplayer\"?>");
+}
+if(typeof window.addEventListener != 'undefined'){
+ window.addEventListener('load', convert, false);
+}
+if(typeof window.attachEvent != 'undefined') {
+ window.attachEvent('onload', convert);
+}