public void MarkToRenderForVisiblyUsedPrefix(string prefix, bool searchOuterContext, IAncestralNamespaceContextProvider context)
{
if (!MarkToRender(prefix, searchOuterContext, context, false))
{
string nodeName = context != null ? context.CurrentNodeName : null;
throw new XmlException(string.Format("Unable to find prefix: {0}, {1}", prefix, nodeName));
}
}
private bool MarkToRender(string prefix, bool searchOuterContext, IAncestralNamespaceContextProvider context, bool isInclusivePrefix)
{
if (prefix == "xml")
{
return(true);
}
bool currentFrame = true;
for (int i = _namespaceContext.Count - 1; i >= 0; i--)
{
NamespaceEntry ne = _namespaceContext[i];
if (ne == null)
{
if (isInclusivePrefix)
{
break;
}
currentFrame = false;
}
else if (ne.Prefix == prefix)
{
if (ne.Rendered)
{
return(true);
}
bool shouldRender;
if (prefix.Length > 0 || ne.NamespaceUri.Length > 0)
{
shouldRender = true;
}
else
{
NamespaceEntry match = null;
for (int j = i - 1; j >= 0; j--)
{
NamespaceEntry p = _namespaceContext[j];
if (p != null && p.Rendered && p.Prefix.Length == 0)
{
match = p;
break;
}
}
shouldRender = match != null && match.NamespaceUri.Length > 0;
}
if (shouldRender)
{
if (currentFrame)
{
ne.Rendered = true;
}
else
{
_namespaceContext.Add(CloneNamespaceEntryToRender(ne));
}
}
return(true);
}
}
if (searchOuterContext)
{
string namespaceUri;
if (context != null)
{
namespaceUri = context.LookupNamespace(prefix);
}
else
{
namespaceUri = null;
}
if (namespaceUri != null && namespaceUri.Length > 0)
{
_namespaceContext.Add(CreateNamespaceEntry(prefix, namespaceUri, true));
return(true);
}
else
{
return(prefix.Length == 0 || isInclusivePrefix);
}
}
return(true);
}
public void MarkToRenderForInclusivePrefix(string prefix, bool searchOuterContext, IAncestralNamespaceContextProvider context)
{
MarkToRender(prefix, searchOuterContext, context, true);
}