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Added Records
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231
Esiur/Proxy/TemplateGenerator.cs
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231
Esiur/Proxy/TemplateGenerator.cs
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using Esiur.Data;
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using Esiur.Resource.Template;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using System.Linq;
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using System.Text.RegularExpressions;
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using Esiur.Resource;
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using Esiur.Net.IIP;
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using System.Diagnostics;
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namespace Esiur.Proxy
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{
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public static class TemplateGenerator
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{
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internal static Regex urlRegex = new Regex(@"^(?:([\S]*)://([^/]*)/?)");
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internal static string GenerateRecord(ResourceTemplate template, ResourceTemplate[] templates)
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{
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var cls = template.ClassName.Split('.');
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var nameSpace = string.Join(".", cls.Take(cls.Length - 1));
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var className = cls.Last();
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var rt = new StringBuilder();
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rt.AppendLine("using System;\r\nusing Esiur.Resource;\r\nusing Esiur.Core;\r\nusing Esiur.Data;\r\nusing Esiur.Net.IIP;");
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rt.AppendLine($"namespace { nameSpace} {{");
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rt.AppendLine($"public class {className} : IRecord {{");
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foreach (var p in template.Properties)
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{
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var ptTypeName = GetTypeName(p.ValueType, templates);
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rt.AppendLine($"public {ptTypeName} {p.Name} {{ get; set; }}");
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rt.AppendLine();
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}
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rt.AppendLine("\r\n}\r\n}");
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return rt.ToString();
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}
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static string GetTypeName(TemplateDataType templateDataType, ResourceTemplate[] templates)
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{
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if (templateDataType.Type == DataType.Resource)
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return templates.First(x => x.ClassId == templateDataType.TypeGuid).ClassName;
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else if (templateDataType.Type == DataType.ResourceArray)
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return templates.First(x => x.ClassId == templateDataType.TypeGuid).ClassName + "[]";
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var name = templateDataType.Type switch
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{
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DataType.Bool => "bool",
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DataType.BoolArray => "bool[]",
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DataType.Char => "char",
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DataType.CharArray => "char[]",
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DataType.DateTime => "DateTime",
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DataType.DateTimeArray => "DateTime[]",
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DataType.Decimal => "decimal",
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DataType.DecimalArray => "decimal[]",
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DataType.Float32 => "float",
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DataType.Float32Array => "float[]",
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DataType.Float64 => "double",
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DataType.Float64Array => "double[]",
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DataType.Int16 => "short",
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DataType.Int16Array => "short[]",
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DataType.Int32 => "int",
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DataType.Int32Array => "int[]",
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DataType.Int64 => "long",
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DataType.Int64Array => "long[]",
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DataType.Int8 => "sbyte",
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DataType.Int8Array => "sbyte[]",
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DataType.String => "string",
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DataType.StringArray => "string[]",
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DataType.Structure => "Structure",
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DataType.StructureArray => "Structure[]",
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DataType.UInt16 => "ushort",
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DataType.UInt16Array => "ushort[]",
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DataType.UInt32 => "uint",
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DataType.UInt32Array => "uint[]",
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DataType.UInt64 => "ulong",
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DataType.UInt64Array => "ulong[]",
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DataType.UInt8 => "byte",
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DataType.UInt8Array => "byte[]",
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DataType.VarArray => "object[]",
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DataType.Void => "object",
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_ => "object"
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};
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return name;
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}
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public static string GetTemplate(string url, string dir = null, string username= null, string password = null)
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{
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try
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{
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if (!urlRegex.IsMatch(url))
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throw new Exception("Invalid IIP URL");
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var path = urlRegex.Split(url);
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var con = Warehouse.Get<DistributedConnection>(path[1] + "://" + path[2],
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!string.IsNullOrEmpty( username) && !string.IsNullOrEmpty( password) ? new { Username = username, Password = password } : null
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).Wait(20000);
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if (con == null)
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throw new Exception("Can't connect to server");
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if (string.IsNullOrEmpty(dir))
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dir = path[2].Replace(":", "_");
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var templates = con.GetLinkTemplates(path[3]).Wait(60000);
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var tempDir = new DirectoryInfo(Path.GetTempPath() + Path.DirectorySeparatorChar
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+ Misc.Global.GenerateCode(20) + Path.DirectorySeparatorChar + dir);
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if (!tempDir.Exists)
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tempDir.Create();
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else
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{
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foreach (FileInfo file in tempDir.GetFiles())
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file.Delete();
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}
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// make sources
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foreach (var tmp in templates)
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{
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if (tmp.Type == TemplateType.Resource)
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{
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var source = GenerateClass(tmp, templates);
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File.WriteAllText(tempDir.FullName + Path.DirectorySeparatorChar + tmp.ClassName + ".Generated.cs", source);
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}
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else if (tmp.Type == TemplateType.Record)
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{
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var source = GenerateRecord(tmp, templates);
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File.WriteAllText(tempDir.FullName + Path.DirectorySeparatorChar + tmp.ClassName + ".Generated.cs", source);
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}
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}
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// generate info class
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var typesFile = "using System; \r\n namespace Esiur { public static class Generated { public static Type[] Resources {get;} = new Type[] { " +
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string.Join(",", templates.Where(x => x.Type == TemplateType.Resource).Select(x => $"typeof({x.ClassName})"))
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+ " }; \r\n public static Type[] Records { get; } = new Type[] { " +
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string.Join(",", templates.Where(x => x.Type == TemplateType.Record).Select(x => $"typeof({x.ClassName})"))
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+ " }; " +
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"\r\n } \r\n}";
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File.WriteAllText(tempDir.FullName + Path.DirectorySeparatorChar + "Esiur.Generated.cs", typesFile);
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return tempDir.FullName;
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}
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catch(Exception ex)
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{
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//File.WriteAllText("C:\\gen\\gettemplate.err", ex.ToString());
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throw ex;
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}
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}
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internal static string GenerateClass(ResourceTemplate template, ResourceTemplate[] templates)
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{
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var cls = template.ClassName.Split('.');
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var nameSpace = string.Join(".", cls.Take(cls.Length - 1));
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var className = cls.Last();
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var rt = new StringBuilder();
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rt.AppendLine("using System;\r\nusing Esiur.Resource;\r\nusing Esiur.Core;\r\nusing Esiur.Data;\r\nusing Esiur.Net.IIP;");
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rt.AppendLine($"namespace { nameSpace} {{");
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rt.AppendLine($"public class {className} : DistributedResource {{");
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rt.AppendLine($"public {className}(DistributedConnection connection, uint instanceId, ulong age, string link) : base(connection, instanceId, age, link) {{}}");
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rt.AppendLine($"public {className}() {{}}");
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foreach (var f in template.Functions)
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{
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var rtTypeName = GetTypeName(f.ReturnType, templates);
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rt.Append($"public AsyncReply<{rtTypeName}> {f.Name}(");
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rt.Append(string.Join(",", f.Arguments.Select(x => GetTypeName(x.Type, templates) + " " + x.Name)));
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rt.AppendLine(") {");
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rt.AppendLine($"var rt = new AsyncReply<{rtTypeName}>();");
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rt.AppendLine($"_InvokeByArrayArguments({f.Index}, new object[] {{ { string.Join(", ", f.Arguments.Select(x => x.Name)) } }})");
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rt.AppendLine($".Then(x => rt.Trigger(({rtTypeName})x))");
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rt.AppendLine($".Error(x => rt.TriggerError(x))");
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rt.AppendLine($".Chunk(x => rt.TriggerChunk(x));");
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rt.AppendLine("return rt; }");
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}
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foreach (var p in template.Properties)
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{
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var ptTypeName = GetTypeName(p.ValueType, templates);
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rt.AppendLine($"public {ptTypeName} {p.Name} {{");
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rt.AppendLine($"get => ({ptTypeName})properties[{p.Index}];");
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rt.AppendLine($"set => _Set({p.Index}, value);");
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rt.AppendLine("}");
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}
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if (template.Events.Length > 0)
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{
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rt.AppendLine("protected override void _EmitEventByIndex(byte index, object args) {");
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rt.AppendLine("switch (index) {");
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var eventsList = new StringBuilder();
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foreach (var e in template.Events)
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{
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var etTypeName = GetTypeName(e.ArgumentType, templates);
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rt.AppendLine($"case {e.Index}: {e.Name}?.Invoke(({etTypeName})args); break;");
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eventsList.AppendLine($"public event ResourceEventHanlder<{etTypeName}> {e.Name};");
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}
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rt.AppendLine("}}");
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rt.AppendLine(eventsList.ToString());
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}
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rt.AppendLine("\r\n}\r\n}");
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return rt.ToString();
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}
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}
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}
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