public static bool TryParse (string typeName, IXamlNamespaceResolver namespaceResolver, out XamlTypeName result)
{
if (typeName == null)
throw new ArgumentNullException ("typeName");
if (namespaceResolver == null)
throw new ArgumentNullException ("namespaceResolver");
result = null;
IList<XamlTypeName> args = null;
int nArray = 0;
int idx;
if (typeName.Length > 2 && typeName [typeName.Length - 1] == ']') {
idx = typeName.LastIndexOf ('[');
if (idx < 0)
return false; // mismatch brace
nArray = 1;
for (int i = idx + 1; i < typeName.Length - 1; i++) {
if (typeName [i] != ',')
return false; // only ',' is expected
nArray++;
}
if (!TryParse (typeName.Substring (0, idx), namespaceResolver, out result))
return false;
// Weird result, but Name ends with '[]'
result = new XamlTypeName (result.Namespace, result.Name + '[' + new string (',', nArray - 1) + ']', result.TypeArguments);
return true;
}
idx = typeName.IndexOf ('(');
if (idx >= 0) {
if (typeName [typeName.Length - 1] != ')')
return false;
if (!TryParseList (typeName.Substring (idx + 1, typeName.Length - idx - 2), namespaceResolver, out args))
return false;
typeName = typeName.Substring (0, idx);
}
idx = typeName.IndexOf (':');
string prefix, local;
if (idx < 0) {
prefix = String.Empty;
local = typeName;
} else {
prefix = typeName.Substring (0, idx);
local = typeName.Substring (idx + 1);
if (!XamlLanguage.IsValidXamlName (prefix))
return false;
}
if (!XamlLanguage.IsValidXamlName (local))
return false;
string ns = namespaceResolver.GetNamespace (prefix);
if (ns == null)
return false;
result = new XamlTypeName (ns, local, args);
return true;
}
void ProcessAttributesToMember (XamlSchemaContext sctx, StartTagInfo sti, XamlType xt)
{
foreach (var p in sti.Attributes) {
int idx = p.Key.IndexOf (':');
string prefix = idx > 0 ? p.Key.Substring (0, idx) : String.Empty;
string aname = idx > 0 ? p.Key.Substring (idx + 1) : p.Key;
idx = aname.IndexOf ('.');
if (idx > 0) {
string apns = prefix.Length > 0 ? r.LookupNamespace (prefix) : r.NamespaceURI;
var apname = aname.Substring (0, idx);
var axtn = new XamlTypeName (apns, apname, null);
var at = sctx.GetXamlType (axtn);
var am = at.GetAttachableMember (aname.Substring (idx + 1));
if (am != null)
sti.Members.Add (new Pair (am, p.Value));
// ignore unknown attribute
}
var xm = xt.GetMember (aname);
if (xm != null)
sti.Members.Add (new Pair (xm, p.Value));
// ignore unknown attribute
}
}
StartTagInfo GetStartTagInfo ()
{
string name = r.LocalName;
string ns = r.NamespaceURI;
string typeArgNames = null;
var members = new List<Pair> ();
var atts = ProcessAttributes (r, members);
// check TypeArguments to resolve Type, and remove them from the list. They don't appear as a node.
var l = new List<Pair> ();
foreach (var p in members) {
if (p.Key == XamlLanguage.TypeArguments) {
typeArgNames = p.Value;
l.Add (p);
break;
}
}
foreach (var p in l)
members.Remove (p);
IList<XamlTypeName> typeArgs = typeArgNames == null ? null : XamlTypeName.ParseList (typeArgNames, xaml_namespace_resolver);
var xtn = new XamlTypeName (ns, name, typeArgs);
return new StartTagInfo () { Name = name, Namespace = ns, TypeName = xtn, Members = members, Attributes = atts};
}
XamlMember FindAttachableMember(string prefix, string typeName, string memberName)
{
string apns = prefix.Length > 0 ? r.LookupNamespace (prefix) : r.NamespaceURI;
var axtn = new XamlTypeName (apns, typeName, null);
var at = sctx.GetXamlType (axtn);
return at?.GetAttachableMember (memberName);
}
public static bool TryParse(string typeName, IXamlNamespaceResolver namespaceResolver, out XamlTypeName result)
{
if (typeName == null)
{
throw new ArgumentNullException("typeName");
}
if (namespaceResolver == null)
{
throw new ArgumentNullException("namespaceResolver");
}
result = null;
IList <XamlTypeName> args = null;
int nArray = 0;
int idx;
if (typeName.Length > 2 && typeName [typeName.Length - 1] == ']')
{
idx = typeName.LastIndexOf('[');
if (idx < 0)
{
return(false); // mismatch brace
}
nArray = 1;
for (int i = idx + 1; i < typeName.Length - 1; i++)
{
if (typeName [i] != ',')
{
return(false); // only ',' is expected
}
nArray++;
}
if (!TryParse(typeName.Substring(0, idx), namespaceResolver, out result))
{
return(false);
}
// Weird result, but Name ends with '[]'
result = new XamlTypeName(result.Namespace, result.Name + '[' + new string (',', nArray - 1) + ']', result.TypeArguments);
return(true);
}
idx = typeName.IndexOf('(');
if (idx >= 0)
{
if (typeName [typeName.Length - 1] != ')')
{
return(false);
}
if (!TryParseList(typeName.Substring(idx + 1, typeName.Length - idx - 2), namespaceResolver, out args))
{
return(false);
}
typeName = typeName.Substring(0, idx);
}
idx = typeName.IndexOf(':');
string prefix, local;
if (idx < 0)
{
prefix = String.Empty;
local = typeName;
}
else
{
prefix = typeName.Substring(0, idx);
local = typeName.Substring(idx + 1);
if (!XamlLanguage.IsValidXamlName(prefix))
{
return(false);
}
}
if (!XamlLanguage.IsValidXamlName(local, true))
{
return(false);
}
string ns = namespaceResolver.GetNamespace(prefix);
if (ns == null)
{
return(false);
}
result = new XamlTypeName(ns, local, args);
return(true);
}