public void AddFirst(string prefix, XNamespace ns)
{
var namespaceDeclaration = new NamespaceResolver.NamespaceDeclaration();
namespaceDeclaration.prefix = prefix;
namespaceDeclaration.ns = ns;
namespaceDeclaration.scope = this.scope;
if (this.declaration == null)
{
namespaceDeclaration.prev = namespaceDeclaration;
}
else
{
namespaceDeclaration.prev = this.declaration.prev;
this.declaration.prev = namespaceDeclaration;
}
this.declaration = namespaceDeclaration;
this.rover = null;
}
public string GetPrefixOfNamespace(XNamespace ns, bool allowDefaultNamespace)
{
if (this.rover != null && this.rover.ns == ns && (allowDefaultNamespace || this.rover.prefix.Length > 0))
{
return this.rover.prefix;
}
var prev = this.declaration;
if (prev != null)
{
while (true)
{
prev = prev.prev;
if (prev.ns == ns)
{
var prev2 = this.declaration.prev;
while (prev2 != prev && prev2.prefix != prev.prefix)
{
prev2 = prev2.prev;
}
if (prev2 == prev)
{
if (allowDefaultNamespace)
{
break;
}
if (prev.prefix.Length > 0)
{
return prev.prefix;
}
}
}
if (prev == this.declaration)
{
return null;
}
}
this.rover = prev;
return prev.prefix;
}
return null;
}
public void PopScope()
{
var prev = this.declaration;
if (prev != null)
{
do
{
prev = prev.prev;
if (prev.scope != this.scope)
{
break;
}
if (prev == this.declaration)
{
this.declaration = null;
}
else
{
this.declaration.prev = prev.prev;
}
this.rover = null;
}
while (prev != this.declaration && this.declaration != null);
}
this.scope--;
}