public void ParseEntities(string path, string fileName)
{
this.names_ = new Hashtable(0x834, 0.5f);
try
{
XmlDocument doc = new XmlDocument();
Stream stream = ResourceLoader.GetStream(path, fileName);
if (stream == null)
{
return;
}
doc.Load(stream);
stream.Close();
XmlNode n = doc.DocumentElement;
if (n.HasChildNodes)
{
for (int i = 0; i < n.ChildNodes.Count; i++)
{
if (n.ChildNodes[i].Name == "MathML_Entities")
{
n = n.ChildNodes[i];
int count = n.ChildNodes.Count;
for (int j = 0; j < count; j++)
{
try
{
XmlNode xmlNode = n.ChildNodes[j];
if (xmlNode != null)
{
EntityInfo entityInfo = this.ParseEntity(j, xmlNode);
try
{
if (!this.names_.Contains(entityInfo.Name))
{
this.names_.Add(entityInfo.Name, entityInfo);
}
}
catch
{
}
try
{
if (!this.codes_.Contains(entityInfo.Code))
{
this.codes_.Add(entityInfo.Code, entityInfo);
}
}
catch
{
}
this.list_.Add(entityInfo);
}
}
catch
{
}
}
}
}
}
try
{
doc.LoadXml("<root/>");
doc = null;
}
catch
{
}
}
catch
{
}
}
private EntityInfo ParseEntity(int index, XmlNode node)
{
EntityInfo info = null;
try
{
XmlNode nameNode = node.Attributes.GetNamedItem("name");
XmlNode uniNode = node.Attributes.GetNamedItem("unicode");
XmlNode viNode = node.Attributes.GetNamedItem("visible");
XmlNode uniAlias = node.Attributes.GetNamedItem("unicodeAlias");
XmlNode ffNode = node.Attributes.GetNamedItem("font_family");
XmlNode descNode = node.Attributes.GetNamedItem("description");
XmlNode descFont = node.Attributes.GetNamedItem("description_font");
string name = "";
string code = "";
string codeAlias = "";
string description = "";
string description_font = "";
bool visible = true;
if (nameNode != null)
{
name = nameNode.Value;
}
if (uniNode != null)
{
code = uniNode.Value;
}
if (viNode != null)
{
visible = Convert.ToBoolean(viNode.Value);
}
if (uniAlias != null)
{
codeAlias = uniAlias.Value;
}
if (descNode != null)
{
description = descNode.Value;
}
if (descFont != null)
{
description_font = descFont.Value;
}
info = new EntityInfo(index, name, code, codeAlias, description, description_font, visible);
try
{
info.Category = this.GetCategory(info.Code);
}
catch
{
}
if (ffNode != null)
{
string familyList = ffNode.Value;
if (familyList.Length <= 0)
{
return(info);
}
this.ParseFamilyList(info, familyList);
}
}
catch
{
}
return(info);
}
public bool ReplaceEntities(string sSource, ref string outXml)
{
try
{
string s = sSource;
int count = 0;
int index = 0;
int semiIndex = 0;
while ((index != -1) && (index < s.Length))
{
index = s.IndexOf("&", index);
if ((index != -1) && (index < s.Length))
{
semiIndex = s.IndexOf(";", index);
if ((((semiIndex < s.Length) && ((semiIndex - index) > 2)) && (((semiIndex - index) < 100) && (s[index + 1] == '#'))) && (s[index + 2] == 'x'))
{
int p = index + 1;
int e = semiIndex;
if (((e > p) && ((e - p) > 1)) && ((e < s.Length) && (p < s.Length)))
{
try
{
string unicode = s.Substring(p + 2, (e - p) - 2);
unicode = unicode.PadLeft(5, '0');
if (!this.InTag(s, p))
{
if (unicode.Length > 0)
{
EntityInfo entityInfo = this.mapper_.ItemFromHex(unicode);
if (entityInfo != null)
{
if (entityInfo.Name.Length > 0)
{
s = s.Remove(p, e - p);
s = s.Insert(p, entityInfo.Name);
}
else
{
s = s.Remove(p, e - p);
s = s.Insert(p, "quest");
}
count++;
}
else
{
s = s.Remove(p, e - p);
s = s.Insert(p, "quest");
count++;
}
}
else
{
s = s.Remove(p, e - p);
s = s.Insert(p, "quest");
count++;
}
}
}
catch
{
}
}
}
index++;
}
}
if (count > 0)
{
outXml = s;
return(true);
}
}
catch
{
}
return(false);
}