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Add project files.
This commit is contained in:
Ahmed Zamil
359
Esiur/Resource/Template/ResourceTemplate.cs
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359
Esiur/Resource/Template/ResourceTemplate.cs
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@ -0,0 +1,359 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Reflection;
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using Esiur.Misc;
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using Esiur.Data;
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using Esiur.Engine;
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using System.Security.Cryptography;
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namespace Esiur.Resource.Template
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{
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public class ResourceTemplate
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{
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Guid classId;
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string className;
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List<MemberTemplate> members = new List<MemberTemplate>();
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List<FunctionTemplate> functions = new List<FunctionTemplate>();
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List<EventTemplate> events = new List<EventTemplate>();
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List<PropertyTemplate> properties = new List<PropertyTemplate>();
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int version;
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//bool isReady;
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byte[] content;
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public byte[] Content
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{
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get { return content; }
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}
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public MemberTemplate GetMemberTemplate(MemberInfo member)
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{
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if (member is MethodInfo)
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return GetFunctionTemplate(member.Name);
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else if (member is EventInfo)
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return GetEventTemplate(member.Name);
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else if (member is PropertyInfo)
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return GetPropertyTemplate(member.Name);
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else
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return null;
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}
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public EventTemplate GetEventTemplate(string eventName)
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{
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foreach (var i in events)
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if (i.Name == eventName)
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return i;
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return null;
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}
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public EventTemplate GetEventTemplate(byte index)
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{
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foreach (var i in events)
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if (i.Index == index)
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return i;
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return null;
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}
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public FunctionTemplate GetFunctionTemplate(string functionName)
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{
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foreach (var i in functions)
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if (i.Name == functionName)
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return i;
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return null;
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}
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public FunctionTemplate GetFunctionTemplate(byte index)
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{
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foreach (var i in functions)
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if (i.Index == index)
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return i;
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return null;
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}
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public PropertyTemplate GetPropertyTemplate(byte index)
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{
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foreach (var i in properties)
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if (i.Index == index)
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return i;
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return null;
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}
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public PropertyTemplate GetPropertyTemplate(string propertyName)
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{
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foreach (var i in properties)
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if (i.Name == propertyName)
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return i;
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return null;
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}
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public Guid ClassId
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{
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get { return classId; }
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}
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public string ClassName
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{
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get { return className; }
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}
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public MemberTemplate[] Methods
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{
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get{return members.ToArray();}
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}
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public FunctionTemplate[] Functions
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{
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get { return functions.ToArray(); }
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}
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public EventTemplate[] Events
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{
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get { return events.ToArray(); }
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}
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public PropertyTemplate[] Properties
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{
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get { return properties.ToArray(); }
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}
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public ResourceTemplate()
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{
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}
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public ResourceTemplate(Type type)
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{
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// set guid
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var typeName = Encoding.UTF8.GetBytes(type.FullName);
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var hash = SHA256.Create().ComputeHash(typeName).Clip(0, 16);
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classId = new Guid(hash);
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className = type.FullName;
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#if NETSTANDARD1_5
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PropertyInfo[] propsInfo = type.GetTypeInfo().GetProperties(BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly);
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EventInfo[] eventsInfo = type.GetTypeInfo().GetEvents(BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly);
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MethodInfo[] methodsInfo = type.GetTypeInfo().GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly);
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#else
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PropertyInfo[] propsInfo = type.GetProperties(BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly);
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EventInfo[] eventsInfo = type.GetEvents(BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly);
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MethodInfo[] methodsInfo = type.GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly);
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#endif
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//byte currentIndex = 0;
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byte i = 0;
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foreach (var pi in propsInfo)
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{
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var ps = (ResourceProperty[])pi.GetCustomAttributes(typeof(ResourceProperty), true);
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if (ps.Length > 0)
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{
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var pt = new PropertyTemplate();
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pt.Name = pi.Name;
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pt.Index = i++;
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pt.ReadExpansion = ps[0].ReadExpansion;
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pt.WriteExpansion = ps[0].WriteExpansion;
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properties.Add(pt);
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}
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}
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i = 0;
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foreach (var ei in eventsInfo)
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{
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var es = (ResourceEvent[])ei.GetCustomAttributes(typeof(ResourceEvent), true);
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if (es.Length > 0)
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{
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var et = new EventTemplate();
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et.Name = ei.Name;
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et.Index = i++;
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et.Expansion = es[0].Expansion;
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events.Add(et);
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}
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}
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i = 0;
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foreach (MethodInfo mi in methodsInfo)
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{
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var fs = (ResourceFunction[])mi.GetCustomAttributes(typeof(ResourceFunction), true);
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if (fs.Length > 0)
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{
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var ft = new FunctionTemplate();
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ft.Name = mi.Name;
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ft.Index = i++;
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ft.IsVoid = mi.ReturnType == typeof(void);
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ft.Expansion = fs[0].Expansion;
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functions.Add(ft);
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}
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}
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// append signals
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for (i = 0; i < events.Count; i++)
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members.Add(events[i]);
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// append slots
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for (i = 0; i < functions.Count; i++)
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members.Add(functions[i]);
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// append properties
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for (i = 0; i < properties.Count; i++)
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members.Add(properties[i]);
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// bake it binarily
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var b = new BinaryList();
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b.Append(classId);
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b.Append((byte)className.Length, className);
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b.Append(version);
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b.Append((ushort)members.Count);
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foreach (var ft in functions)
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b.Append(ft.Compose());
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foreach (var pt in properties)
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b.Append(pt.Compose());
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foreach (var et in events)
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b.Append(et.Compose());
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content = b.ToArray();
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}
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public static ResourceTemplate Parse(byte[] data)
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{
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return Parse(data, 0, (uint)data.Length);
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}
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public static ResourceTemplate Parse(byte[] data, uint offset, uint contentLength)
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{
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uint ends = offset + contentLength;
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uint oOffset = offset;
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// start parsing...
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var od = new ResourceTemplate();
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od.content = data.Clip(offset, contentLength);
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od.classId = data.GetGuid(offset);
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offset += 16;
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od.className = data.GetString(offset + 1, data[offset]);// Encoding.ASCII.GetString(data, (int)offset + 1, data[offset]);
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offset += (uint)data[offset] + 1;
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od.version = data.GetInt32(offset);
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offset += 4;
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ushort methodsCount = data.GetUInt16(offset);
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offset += 2;
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byte functionIndex = 0;
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byte propertyIndex = 0;
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byte eventIndex = 0;
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for (int i = 0; i < methodsCount; i++)
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{
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var type = data[offset] >> 5;
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if (type == 0) // function
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{
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var ft = new FunctionTemplate();
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ft.Index = functionIndex++;
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var expansion = ((data[offset] & 0x10) == 0x10);
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ft.IsVoid = ((data[offset++] & 0x08) == 0x08);
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ft.Name = data.GetString(offset + 1, data[offset]);// Encoding.ASCII.GetString(data, (int)offset + 1, data[offset]);
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offset += (uint)data[offset] + 1;
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if (expansion) // expansion ?
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{
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var cs = data.GetUInt32(offset);
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offset += 4;
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ft.Expansion = data.GetString(offset, cs);
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offset += cs;
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}
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od.functions.Add(ft);
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}
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else if (type == 1) // property
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{
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var pt = new PropertyTemplate();
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pt.Index = propertyIndex++;
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var readExpansion = ((data[offset] & 0x8) == 0x8);
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var writeExpansion = ((data[offset] & 0x10) == 0x10);
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pt.Permission = (PropertyTemplate.PropertyPermission)((data[offset++] >> 1) & 0x3);
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pt.Name = data.GetString(offset + 1, data[offset]);// Encoding.ASCII.GetString(data, (int)offset + 1, data[offset]);
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offset += (uint)data[offset] + 1;
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if (readExpansion) // expansion ?
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{
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var cs = data.GetUInt32(offset);
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offset += 4;
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pt.ReadExpansion = data.GetString(offset, cs);
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offset += cs;
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}
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if (writeExpansion) // expansion ?
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{
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var cs = data.GetUInt32(offset);
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offset += 4;
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pt.WriteExpansion = data.GetString(offset, cs);
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offset += cs;
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}
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od.properties.Add(pt);
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}
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else if (type == 2) // Event
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{
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var et = new EventTemplate();
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et.Index = eventIndex++;
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var expansion = ((data[offset++] & 0x10) == 0x10);
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et.Name = data.GetString(offset + 1, data[offset]);// Encoding.ASCII.GetString(data, (int)offset + 1, (int)data[offset]);
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offset += (uint)data[offset] + 1;
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if (expansion) // expansion ?
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{
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var cs = data.GetUInt32(offset);
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offset += 4;
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et.Expansion = data.GetString(offset, cs);
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offset += cs;
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}
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od.events.Add(et);
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}
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}
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// append signals
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for (int i = 0; i < od.events.Count; i++)
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od.members.Add(od.events[i]);
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// append slots
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for (int i = 0; i < od.functions.Count; i++)
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od.members.Add(od.functions[i]);
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// append properties
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for (int i = 0; i < od.properties.Count; i++)
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od.members.Add(od.properties[i]);
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//od.isReady = true;
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/*
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var oo = owner.Socket.Engine.GetObjectDescription(od.GUID);
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if (oo != null)
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{
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Console.WriteLine("Already there ! description");
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return oo;
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}
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else
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{
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owner.Socket.Engine.AddObjectDescription(od);
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return od;
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}
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*/
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return od;
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}
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}
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}
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