public XamlWriterInternalBase (XamlSchemaContext schemaContext, XamlWriterStateManager manager)
{
this.sctx = schemaContext;
this.manager = manager;
var p = new PrefixLookup (sctx) { IsCollectingNamespaces = true }; // it does not raise unknown namespace error.
service_provider = new ValueSerializerContext (p, schemaContext, AmbientProvider, this, this);
}
void Initialize(PrefixLookup prefixLookup, XamlSchemaContext schemaContext, IAmbientProvider ambientProvider, IProvideValueTarget provideValue, IRootObjectProvider rootProvider, IDestinationTypeProvider destinationProvider, IXamlObjectWriterFactory objectWriterFactory)
{
prefix_lookup = prefixLookup ?? throw new ArgumentNullException("prefixLookup");
sctx = schemaContext ?? throw new ArgumentNullException("schemaContext");
ambient_provider = ambientProvider;
this.provideValue = provideValue;
this.rootProvider = rootProvider;
this.destinationProvider = destinationProvider;
this.objectWriterFactory = objectWriterFactory;
}
void LookupNamespacesInType(XamlType xt)
{
PrefixLookup.LookupPrefix(xt.PreferredXamlNamespace);
if (xt.TypeArguments != null)
{
// It is for x:TypeArguments
PrefixLookup.LookupPrefix(XamlLanguage.Xaml2006Namespace);
foreach (var targ in xt.TypeArguments)
{
LookupNamespacesInType(targ);
}
}
}
public ValueSerializerContext (PrefixLookup prefixLookup, XamlSchemaContext schemaContext, IAmbientProvider ambientProvider, IProvideValueTarget provideValue, IRootObjectProvider rootProvider)
{
if (prefixLookup == null)
throw new ArgumentNullException ("prefixLookup");
if (schemaContext == null)
throw new ArgumentNullException ("schemaContext");
prefix_lookup = prefixLookup;
namespace_resolver = new NamespaceResolver (prefix_lookup.Namespaces);
type_resolver = new XamlTypeResolver (namespace_resolver, schemaContext);
sctx = schemaContext;
ambient_provider = ambientProvider;
this.provideValue = provideValue;
this.rootProvider = rootProvider;
}
public ValueSerializerContext(PrefixLookup prefixLookup, XamlSchemaContext schemaContext, IAmbientProvider ambientProvider, IProvideValueTarget provideValue, IRootObjectProvider rootProvider, IDestinationTypeProvider destinationProvider, IXamlObjectWriterFactory objectWriterFactory)
{
if (prefixLookup == null)
{
throw new ArgumentNullException("prefixLookup");
}
if (schemaContext == null)
{
throw new ArgumentNullException("schemaContext");
}
prefix_lookup = prefixLookup;
sctx = schemaContext;
ambient_provider = ambientProvider;
this.provideValue = provideValue;
this.rootProvider = rootProvider;
this.destinationProvider = destinationProvider;
this.objectWriterFactory = objectWriterFactory;
}
public ValueSerializerContext(PrefixLookup prefixLookup, XamlSchemaContext schemaContext, IAmbientProvider ambientProvider, IProvideValueTarget provideValue, IRootObjectProvider rootProvider, IDestinationTypeProvider destinationProvider)
{
if (prefixLookup == null)
{
throw new ArgumentNullException("prefixLookup");
}
if (schemaContext == null)
{
throw new ArgumentNullException("schemaContext");
}
prefix_lookup = prefixLookup;
namespace_resolver = new NamespaceResolver(prefix_lookup.Namespaces);
type_resolver = new XamlTypeResolver(namespace_resolver, schemaContext);
sctx = schemaContext;
ambient_provider = ambientProvider;
this.provideValue = provideValue;
this.rootProvider = rootProvider;
this.destinationProvider = destinationProvider;
}
public static ValueSerializerContext Create(PrefixLookup prefixLookup, XamlSchemaContext schemaContext, IAmbientProvider ambientProvider, IProvideValueTarget provideValue, IRootObjectProvider rootProvider, IDestinationTypeProvider destinationProvider, IXamlObjectWriterFactory objectWriterFactory)
{
#if !HAS_TYPE_CONVERTER
ValueSerializerContext context;
var type = GetValueSerializerType();
if (type != null)
{
context = Activator.CreateInstance(type) as ValueSerializerContext;
}
else
{
context = new ValueSerializerContext();
}
#else
var context = new ValueSerializerContext();
#endif
context.Initialize(prefixLookup, schemaContext, ambientProvider, provideValue, rootProvider, destinationProvider, objectWriterFactory);
return(context);
}
// Namespace and Reference retrieval.
// It is iterated before iterating the actual object nodes,
// and results are cached for use in XamlObjectReader.
public void PrepareReading()
{
PrefixLookup.IsCollectingNamespaces = true;
NameResolver.IsCollectingReferences = true;
foreach (var xn in GetNodes())
{
if (xn.NodeType == XamlNodeType.GetObject)
{
continue; // it is out of consideration here.
}
if (xn.NodeType == XamlNodeType.StartObject)
{
foreach (var ns in NamespacesInType(xn.Object.Type))
{
PrefixLookup.LookupPrefix(ns);
}
}
else if (xn.NodeType == XamlNodeType.StartMember)
{
var xm = xn.Member.Member;
// This filtering is done as a black list so far. There does not seem to be any usable property on XamlDirective.
if (xm == XamlLanguage.Items || xm == XamlLanguage.PositionalParameters || xm == XamlLanguage.Initialization)
{
continue;
}
PrefixLookup.LookupPrefix(xn.Member.Member.PreferredXamlNamespace);
}
else
{
if (xn.NodeType == XamlNodeType.Value && xn.Value is Type)
{
// this tries to lookup existing prefix, and if there isn't any, then adds a new declaration.
TypeExtensionMethods.GetStringValue(XamlLanguage.Type, xn.Member.Member, xn.Value, value_serializer_ctx);
}
continue;
}
}
PrefixLookup.Namespaces.Sort((nd1, nd2) => String.CompareOrdinal(nd1.Prefix, nd2.Prefix));
PrefixLookup.IsCollectingNamespaces = false;
NameResolver.IsCollectingReferences = false;
NameResolver.NameScopeInitializationCompleted(this);
}
