/// <summary>Read Element named magic. </summary>
private void ReadMagic(System.Xml.XmlElement element, MimeType mimeType)
{
// element.getValue();
System.String offset = null;
System.String content = null;
System.String type = null;
System.Xml.XmlNamedNodeMap attrs = (System.Xml.XmlAttributeCollection)element.Attributes;
for (int i = 0; i < attrs.Count; i++)
{
System.Xml.XmlAttribute attr = (System.Xml.XmlAttribute)attrs.Item(i);
if (attr.Name.Equals("offset"))
{
offset = attr.Value;
}
else if (attr.Name.Equals("type"))
{
type = attr.Value;
if (String.Compare(type, "byte", true) == 0)
{
type = "System.Byte";
}
}
else if (attr.Name.Equals("value"))
{
content = attr.Value;
}
}
if ((offset != null) && (content != null))
{
mimeType.AddMagic(System.Int32.Parse(offset), type, content);
}
}
/// <summary>Removes attributes, comments, and processing instructions. </summary>
private static void clean(System.Xml.XmlElement elem)
{
System.Xml.XmlNodeList children = elem.ChildNodes;
for (int i = 0; i < children.Count; i++)
{
System.Xml.XmlNode child = children.Item(i);
if (System.Convert.ToInt16(child.NodeType) == (short)System.Xml.XmlNodeType.ProcessingInstruction || System.Convert.ToInt16(child.NodeType) == (short)System.Xml.XmlNodeType.Comment)
{
elem.RemoveChild(child);
}
else if (System.Convert.ToInt16(child.NodeType) == (short)System.Xml.XmlNodeType.Element)
{
clean((System.Xml.XmlElement)child);
}
}
System.Xml.XmlNamedNodeMap attributes = (System.Xml.XmlAttributeCollection)elem.Attributes;
//get names
System.String[] names = new System.String[attributes.Count];
for (int i = 0; i < names.Length; i++)
{
names[i] = attributes.Item(i).Name;
}
//remove by name
for (int i = 0; i < names.Length; i++)
{
attributes.RemoveNamedItem(names[i]);
}
}
/// <summary>Read Element named mime-type. </summary>
private MimeType ReadMimeType(System.Xml.XmlElement element)
{
System.String name = null;
System.String description = null;
MimeType type = null;
System.Xml.XmlNamedNodeMap attrs = (System.Xml.XmlAttributeCollection)element.Attributes;
for (int i = 0; i < attrs.Count; i++)
{
System.Xml.XmlAttribute attr = (System.Xml.XmlAttribute)attrs.Item(i);
if (attr.Name.Equals("name"))
{
name = attr.Value;
}
else if (attr.Name.Equals("description"))
{
description = attr.Value;
}
}
if ((name == null) || (name.Trim().Equals("")))
{
return(null);
}
try
{
//System.Diagnostics.Trace.WriteLine("Mime type:" + name);
type = new MimeType(name);
}
catch (MimeTypeException mte)
{
// Mime Type not valid... just ignore it
System.Diagnostics.Trace.WriteLine(mte.ToString() + " ... Ignoring!");
return(null);
}
type.Description = description;
System.Xml.XmlNodeList nodes = element.ChildNodes;
for (int i = 0; i < nodes.Count; i++)
{
System.Xml.XmlNode node = nodes.Item(i);
if (System.Convert.ToInt16(node.NodeType) == (short)System.Xml.XmlNodeType.Element)
{
System.Xml.XmlElement nodeElement = (System.Xml.XmlElement)node;
if (nodeElement.Name.Equals("ext"))
{
ReadExt(nodeElement, type);
}
else if (nodeElement.Name.Equals("magic"))
{
ReadMagic(nodeElement, type);
}
}
}
return(type);
}
