public object Load(TextReader reader)
{
var ctx = new SerializationReaderContext(reader.ReadToEnd());
var obj = Read(ctx);
return(obj);
}
string ParseNodeType(SerializationReaderContext ctx, int from)
{
int indexOfNodeNickStart = ctx.Xaml.IndexOf('<', from) + 1;
int indexOfNodeNickEnd = ctx.Xaml.IndexOf(' ', indexOfNodeNickStart);
string nodeType = ctx.Xaml.Substring(indexOfNodeNickStart, indexOfNodeNickEnd - indexOfNodeNickStart);
return(nodeType);
}
/*
* object ReadNodeObject(SerializationReaderContext ctx, int from)
* {
* var nodeAttribs = ReadAttributes(ctx, from);
* if (!ctx.NamespaceToAlias.Any())
* {
* ReadSystemAttributes(ctx, nodeAttribs);
* }
* string nodeType = ParseNodeType(ctx, from);
* var type = ctx.GetType(nodeType);
* var obj = Activator.CreateInstance(type);
*
* foreach (var attrib in nodeAttribs)
* {
* type.GetProperty(attrib.Key).SetValue(obj, attrib.Value);
* }
*
* return obj;
* }
*
* void ReadSystemAttributes(SerializationReaderContext ctx, IDictionary<string, string> attribs)
* {
* foreach (var kvp in attribs.ToArray())
* {
* if (kvp.Key == "xmlns")
* {
* ctx.RootNamespace = kvp.Value;
* attribs.Remove(kvp);
* }
* if (kvp.Key.StartsWith("xmlns:"))
* {
* var i = kvp.Key.IndexOf(':');
* var pref = kvp.Key.Substring(i + 1);
* ctx.NamespaceToAlias[kvp.Value] = pref;
* ctx.AliasToNamespace[pref] = kvp.Value;
* attribs.Remove(kvp);
* }
* }
* }
*
* string ParseNodeType(SerializationReaderContext ctx, int from)
* {
* int indexOfNodeNickStart = ctx.Xaml.IndexOf('<', from) + 1;
* int indexOfNodeNickEnd = ctx.Xaml.IndexOf(' ', indexOfNodeNickStart);
* string nodeType = ctx.Xaml.Substring(indexOfNodeNickStart, indexOfNodeNickEnd - indexOfNodeNickStart);
* return nodeType;
* }
*
* IDictionary<string, string> ReadAttributes(SerializationReaderContext ctx, int from)
* {
* var dic = new Dictionary<string, string>();
* int indexOfNodeEnd = ctx.Xaml.IndexOf('>', from);
* int i = from;
* do
* {
* i = ctx.Xaml.IndexOf(' ', i + 1);
* int iProNameEnd = ctx.Xaml.IndexOf('=', i);
* if (iProNameEnd < 0)
* {
* break;
* }
* string proName = ctx.Xaml.Substring(i, iProNameEnd - i).Trim();
* int iProValStart = ctx.Xaml.IndexOf('"', i) + 1;
* int iProValEnd = ctx.Xaml.IndexOf('"', iProValStart + 1);
* string proVal = ctx.Xaml.Substring(iProValStart, iProValEnd - iProValStart);
* dic[proName] = proVal;
* } while (i < indexOfNodeEnd && i >= 0);
* return dic;
* }
*/
object UniversalReader(SerializationReaderContext ctx, Type type)
{
var obj = Activator.CreateInstance(type);
foreach (var attrib in ctx.CurrentNodeAttribs)
{
var pi = type.GetProperty(attrib.Key);
if (pi == null)
{
throw new Exception($"Property {attrib.Key} not found");
}
pi.SetValue(obj, ConvertFromString(pi.PropertyType, attrib.Value));
}
return(obj);
}
object ReadNodeObject(SerializationReaderContext ctx, int from)
{
var nodeAttribs = ReadAttributes(ctx, from);
if (!ctx.NamespaceToAlias.Any())
{
ReadSystemAttributes(ctx, nodeAttribs);
}
string nodeType = ParseNodeType(ctx, from);
var type = ctx.GetType(nodeType);
ctx.CurrentNodeAttribs = nodeAttribs;
var obj = ObjectReaderFor(type)(ctx);
return(obj);
}
void ReadSystemAttributes(SerializationReaderContext ctx, IDictionary <string, string> attribs)
{
foreach (var kvp in attribs.ToArray())
{
if (kvp.Key == "xmlns")
{
ctx.RootNamespace = kvp.Value;
attribs.Remove(kvp);
}
if (kvp.Key.StartsWith("xmlns:"))
{
var i = kvp.Key.IndexOf(':');
var pref = kvp.Key.Substring(i + 1);
ctx.NamespaceToAlias[kvp.Value] = pref;
ctx.AliasToNamespace[pref] = kvp.Value;
attribs.Remove(kvp);
}
}
}
IDictionary <string, string> ReadAttributes(SerializationReaderContext ctx, int from)
{
var dic = new Dictionary <string, string>();
int indexOfNodeEnd = ctx.Xaml.IndexOf('>', from);
int i = ctx.Xaml.IndexOf(' ', from + 1);;
do
{
int iProNameEnd = ctx.Xaml.IndexOf('=', i);
if (iProNameEnd < 0)
{
break;
}
string proName = ctx.Xaml.Substring(i, iProNameEnd - i).Trim();
int iProValStart = ctx.Xaml.IndexOf('"', i) + 1;
int iProValEnd = ctx.Xaml.IndexOf('"', iProValStart + 1);
string proVal = ctx.Xaml.Substring(iProValStart, iProValEnd - iProValStart);
dic[proName] = proVal;
i = ctx.Xaml.IndexOf(' ', i + 1);
} while (i < indexOfNodeEnd && i >= 0);
return(dic);
}
private object PrecompiledReader(SerializationReaderContext arg)
{
throw new System.NotImplementedException();
}
object Read(SerializationReaderContext ctx)
{
return(ReadNodeObject(ctx, 0));
}