public static string CompressXML(XmlDocument doc, XmlElement el)
{
Hashtable hashtable = new Hashtable();
Hashtable hashtable2 = new Hashtable();
int num = 0;
SvgFactory.RecCompXML(hashtable, hashtable2, doc, el, ref num);
foreach (DictionaryEntry dictionaryEntry in hashtable2)
{
string text = (string)dictionaryEntry.Key;
SvgFactory.EntitySingleton entitySingleton = (SvgFactory.EntitySingleton)dictionaryEntry.Value;
entitySingleton.Element.RemoveAttribute(entitySingleton.AttributeName);
XmlAttribute xmlAttribute = doc.CreateAttribute(entitySingleton.AttributeName);
xmlAttribute.Value = text;
entitySingleton.Element.SetAttributeNode(xmlAttribute);
hashtable.Remove(text);
}
StringBuilder stringBuilder = new StringBuilder();
if (hashtable.Count > 0)
{
stringBuilder.Append("\n");
foreach (string text2 in hashtable.Keys)
{
stringBuilder.Append("<!ENTITY ");
stringBuilder.Append(hashtable[text2]);
stringBuilder.Append(" '");
stringBuilder.Append(text2.Replace("%", "%"));
stringBuilder.Append("'>");
}
stringBuilder.Append("\n");
}
return(stringBuilder.ToString());
}
private static void RecCompXML(Hashtable entities, Hashtable singletons, XmlDocument doc, XmlElement el, ref int idx)
{
ArrayList arrayList = new ArrayList();
foreach (XmlAttribute xmlAttribute in el.Attributes)
{
arrayList.Add(xmlAttribute.Name);
}
foreach (string text in arrayList)
{
string value = el.Attributes[text].Value;
if (value.Length > 30)
{
string text2;
if (entities[value] == null)
{
idx++;
text2 = "E" + idx.ToString();
entities[value] = text2;
singletons[value] = new SvgFactory.EntitySingleton
{
Element = el,
AttributeName = text
};
}
else
{
text2 = (string)entities[value];
singletons.Remove(value);
}
XmlAttribute xmlAttribute2 = doc.CreateAttribute(text);
xmlAttribute2.AppendChild(doc.CreateEntityReference(text2));
el.SetAttributeNode(xmlAttribute2);
}
}
foreach (XmlNode xmlNode in el.ChildNodes)
{
if (xmlNode.GetType() == typeof(XmlElement))
{
SvgFactory.RecCompXML(entities, singletons, doc, (XmlElement)xmlNode, ref idx);
}
}
}
