/// <summary>Finds an attribute by name in an XML element.</summary>
/// <returns>The value associated with the named attribute, or null if no attribute with <paramref name="name" /> exists.</returns>
/// <param name="name">The name of the attribute for which to search. </param>
/// <exception cref="T:System.ArgumentNullException">The <paramref name="name" /> parameter is null. </exception>
public string Attribute(string name)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
SecurityElement.SecurityAttribute attribute = this.GetAttribute(name);
return((attribute != null) ? attribute.Value : null);
}
internal SecurityElement.SecurityAttribute GetAttribute(string name)
{
if (this.attributes != null)
{
foreach (object obj in this.attributes)
{
SecurityElement.SecurityAttribute securityAttribute = (SecurityElement.SecurityAttribute)obj;
if (securityAttribute.Name == name)
{
return(securityAttribute);
}
}
}
return(null);
}
internal SecurityElement(SecurityElement se)
{
this.Tag = se.Tag;
this.Text = se.Text;
if (se.attributes != null)
{
foreach (object obj in se.attributes)
{
SecurityElement.SecurityAttribute securityAttribute = (SecurityElement.SecurityAttribute)obj;
this.AddAttribute(securityAttribute.Name, securityAttribute.Value);
}
}
if (se.children != null)
{
foreach (object obj2 in se.children)
{
SecurityElement child = (SecurityElement)obj2;
this.AddChild(child);
}
}
}
private void ToXml(ref StringBuilder s, int level)
{
s.Append("<");
s.Append(this.tag);
if (this.attributes != null)
{
s.Append(" ");
for (int i = 0; i < this.attributes.Count; i++)
{
SecurityElement.SecurityAttribute securityAttribute = (SecurityElement.SecurityAttribute) this.attributes[i];
s.Append(securityAttribute.Name).Append("=\"").Append(SecurityElement.Escape(securityAttribute.Value)).Append("\"");
if (i != this.attributes.Count - 1)
{
s.Append(Environment.NewLine);
}
}
}
if ((this.text == null || this.text == string.Empty) && (this.children == null || this.children.Count == 0))
{
s.Append("/>").Append(Environment.NewLine);
}
else
{
s.Append(">").Append(SecurityElement.Escape(this.text));
if (this.children != null)
{
s.Append(Environment.NewLine);
foreach (object obj in this.children)
{
SecurityElement securityElement = (SecurityElement)obj;
securityElement.ToXml(ref s, level + 1);
}
}
s.Append("</").Append(this.tag).Append(">").Append(Environment.NewLine);
}
}
/// <summary>Compares two XML element objects for equality.</summary>
/// <returns>true if the tag, attribute names and values, child elements, and text fields in the current XML element are identical to their counterparts in the <paramref name="other" /> parameter; otherwise, false.</returns>
/// <param name="other">An XML element object to which to compare the current XML element object. </param>
public bool Equal(SecurityElement other)
{
if (other == null)
{
return(false);
}
if (this == other)
{
return(true);
}
if (this.text != other.text)
{
return(false);
}
if (this.tag != other.tag)
{
return(false);
}
if (this.attributes == null && other.attributes != null && other.attributes.Count != 0)
{
return(false);
}
if (other.attributes == null && this.attributes != null && this.attributes.Count != 0)
{
return(false);
}
if (this.attributes != null && other.attributes != null)
{
if (this.attributes.Count != other.attributes.Count)
{
return(false);
}
foreach (object obj in this.attributes)
{
SecurityElement.SecurityAttribute securityAttribute = (SecurityElement.SecurityAttribute)obj;
SecurityElement.SecurityAttribute attribute = other.GetAttribute(securityAttribute.Name);
if (attribute == null || securityAttribute.Value != attribute.Value)
{
return(false);
}
}
}
if (this.children == null && other.children != null && other.children.Count != 0)
{
return(false);
}
if (other.children == null && this.children != null && this.children.Count != 0)
{
return(false);
}
if (this.children != null && other.children != null)
{
if (this.children.Count != other.children.Count)
{
return(false);
}
for (int i = 0; i < this.children.Count; i++)
{
if (!((SecurityElement)this.children[i]).Equal((SecurityElement)other.children[i]))
{
return(false);
}
}
}
return(true);
}
