| @ -0,0 +1,308 @@ | ||||
| using System; | ||||
| using System.Collections.Generic; | ||||
| using EpicGames.Core; | ||||
| using EpicGames.UHT.Types; | ||||
| using UnrealSharpScriptGenerator.PropertyTranslators; | ||||
|  | ||||
| namespace UnrealSharpScriptGenerator.Utilities; | ||||
|  | ||||
| public enum ENameType | ||||
| { | ||||
|     Parameter, | ||||
|     Property, | ||||
|     Struct, | ||||
|     Function | ||||
| } | ||||
|  | ||||
| public static class NameMapper | ||||
| { | ||||
|     private static readonly List<string> ReservedKeywords = new() | ||||
|     { | ||||
|         "abstract", "as", "base", "bool", "break", "byte", "case", "catch", "char", "checked", "class", "const", "continue", | ||||
|         "decimal", "default", "delegate", "do", "double", "else", "enum", "event", "explicit", "extern", "false", "finally",  | ||||
|         "fixed", "float", "for", "foreach", "goto", "if", "implicit", "in", "int", "interface", "internal", "is", "lock", | ||||
|         "long", "namespace", "new", "null", "object", "operator", "out", "override", "params", "private", "protected", "public",  | ||||
|         "readonly", "ref", "return", "sbyte", "sealed", "short", "sizeof", "stackalloc", "static", "string", "struct", "switch",  | ||||
|         "this", "throw", "true", "try", "typeof", "uint", "ulong", "unchecked", "unsafe", "ushort", "using", "virtual", | ||||
|         "void", "volatile", "while", "System" | ||||
|     }; | ||||
|  | ||||
|     public static string GetParameterName(this UhtProperty property) | ||||
|     { | ||||
|         string scriptName = ScriptifyName(property.GetScriptName(), ENameType.Parameter); | ||||
|  | ||||
|         if (property.Outer is not UhtFunction function) | ||||
|         { | ||||
|             return scriptName; | ||||
|         } | ||||
|          | ||||
|         foreach (UhtProperty exportedProperty in function.Properties) | ||||
|         { | ||||
|             if (exportedProperty.HasAllFlags(EPropertyFlags.ReturnParm)) | ||||
|             { | ||||
|                 continue; | ||||
|             } | ||||
|              | ||||
|             if (exportedProperty != property && scriptName == ScriptifyName(exportedProperty.GetScriptName(), ENameType.Parameter)) | ||||
|             { | ||||
|                 return PascalToCamelCase(exportedProperty.SourceName); | ||||
|             } | ||||
|         } | ||||
|          | ||||
|         return scriptName; | ||||
|     } | ||||
|      | ||||
|     public static string GetPropertyName(this UhtProperty property) | ||||
|     { | ||||
|         string propertyName = ScriptifyName(property.GetScriptName(), ENameType.Property); | ||||
|         if (property.Outer!.SourceName == propertyName || IsAKeyword(propertyName)) | ||||
|         { | ||||
|             propertyName = $"K2_{propertyName}"; | ||||
|         } | ||||
|         return TryResolveConflictingName(property, propertyName); | ||||
|     } | ||||
|      | ||||
|     public static string GetStructName(this UhtType type) | ||||
|     { | ||||
|         if (type.EngineType is UhtEngineType.Interface or UhtEngineType.NativeInterface || type == Program.Factory.Session.UInterface) | ||||
|         { | ||||
|             return "I" + type.EngineName; | ||||
|         } | ||||
|          | ||||
|         if (type is UhtClass uhtClass && uhtClass.IsChildOf(Program.BlueprintFunctionLibrary)) | ||||
|         { | ||||
|             return type.GetScriptName(); | ||||
|         } | ||||
|  | ||||
|         return type.SourceName; | ||||
|     } | ||||
|  | ||||
|     public static string ExportGetAssemblyName(this UhtType type) | ||||
|     { | ||||
|         string structName = type.GetStructName(); | ||||
|         return $"typeof({structName}).GetAssemblyName()"; | ||||
|     } | ||||
|      | ||||
|     public static string GetFullManagedName(this UhtType type) | ||||
|     { | ||||
|         return $"{type.GetNamespace()}.{type.GetStructName()}"; | ||||
|     } | ||||
|      | ||||
|     static readonly string[] MetadataKeys = { "ScriptName", "ScriptMethod", "DisplayName" }; | ||||
|     public static string GetScriptName(this UhtType type) | ||||
|     { | ||||
|         bool OnlyContainsLetters(string str) | ||||
|         { | ||||
|             foreach (char c in str) | ||||
|             { | ||||
|                 if (!char.IsLetter(c) && !char.IsWhiteSpace(c)) | ||||
|                 { | ||||
|                     return false; | ||||
|                 } | ||||
|             } | ||||
|             return true; | ||||
|         } | ||||
|          | ||||
|         foreach (var key in MetadataKeys) | ||||
|         { | ||||
|             string value = type.GetMetadata(key); | ||||
|              | ||||
|             if (string.IsNullOrEmpty(value) || !OnlyContainsLetters(value)) | ||||
|             { | ||||
|                 continue; | ||||
|             } | ||||
|              | ||||
|             // Try remove whitespace from the value | ||||
|             value = value.Replace(" ", ""); | ||||
|             return value; | ||||
|         } | ||||
|          | ||||
|         return type.SourceName; | ||||
|     } | ||||
|      | ||||
|     public static string GetNamespace(this UhtType typeObj) | ||||
|     { | ||||
|         UhtType outer = typeObj; | ||||
|  | ||||
|         string packageShortName = ""; | ||||
|         if (outer is UhtPackage package) | ||||
|         { | ||||
|             packageShortName = package.GetShortName(); | ||||
|         } | ||||
|         else | ||||
|         { | ||||
|             while (outer.Outer != null) | ||||
|             { | ||||
|                 outer = outer.Outer; | ||||
|              | ||||
|                 if (outer is UhtPackage header) | ||||
|                 { | ||||
|                     packageShortName = header.Package.GetShortName(); | ||||
|                     break; | ||||
|                 } | ||||
|             } | ||||
|         } | ||||
|          | ||||
|         if (string.IsNullOrEmpty(packageShortName)) | ||||
|         { | ||||
|             throw new Exception($"Failed to find package name for {typeObj}"); | ||||
|         } | ||||
|          | ||||
|         return $"UnrealSharp.{packageShortName}"; | ||||
|     } | ||||
|      | ||||
|     public static string GetFunctionName(this UhtFunction function) | ||||
|     { | ||||
|         string functionName = function.GetScriptName(); | ||||
|  | ||||
|         if (function.HasAnyFlags(EFunctionFlags.Delegate | EFunctionFlags.MulticastDelegate)) | ||||
|         { | ||||
|             functionName = DelegateBasePropertyTranslator.GetDelegateName(function); | ||||
|         } | ||||
|          | ||||
|         if (functionName.StartsWith("K2_") || functionName.StartsWith("BP_")) | ||||
|         { | ||||
|             functionName = functionName.Substring(3); | ||||
|         } | ||||
|  | ||||
|         if (function.IsInterfaceFunction() && functionName.EndsWith("_Implementation")) | ||||
|         { | ||||
|             functionName = functionName.Substring(0, functionName.Length - 15); | ||||
|         } | ||||
|  | ||||
|         if (function.Outer is not UhtClass) | ||||
|         { | ||||
|             return functionName; | ||||
|         } | ||||
|          | ||||
|         functionName = TryResolveConflictingName(function, functionName); | ||||
|  | ||||
|         return functionName; | ||||
|     } | ||||
|      | ||||
|     public static string TryResolveConflictingName(UhtType type, string scriptName) | ||||
|     { | ||||
|         UhtType outer = type.Outer!; | ||||
|  | ||||
|         bool IsConflictingWithChild(List<UhtType> children) | ||||
|         { | ||||
|             foreach (UhtType child in children) | ||||
|             { | ||||
|                 if (child == type) | ||||
|                 { | ||||
|                     continue; | ||||
|                 } | ||||
|              | ||||
|                 if (child is UhtProperty property) | ||||
|                 { | ||||
|                     if (scriptName == ScriptifyName(property.GetScriptName(), ENameType.Property)) | ||||
|                     { | ||||
|                         return true; | ||||
|                     } | ||||
|                 } | ||||
|              | ||||
|                 if (child is UhtFunction function) | ||||
|                 { | ||||
|                     if (scriptName == ScriptifyName(function.GetScriptName(), ENameType.Function)) | ||||
|                     { | ||||
|                         return true; | ||||
|                     } | ||||
|                 } | ||||
|             } | ||||
|  | ||||
|             return false; | ||||
|         } | ||||
|          | ||||
|         bool isConflicting = IsConflictingWithChild(outer.Children); | ||||
|          | ||||
|         if (!isConflicting && outer is UhtClass outerClass) | ||||
|         { | ||||
|             List<UhtClass> classInterfaces = outerClass.GetInterfaces(); | ||||
|             foreach (UhtClass classInterface in classInterfaces) | ||||
|             { | ||||
|                 if (classInterface.AlternateObject is not UhtClass interfaceClass) | ||||
|                 { | ||||
|                     continue; | ||||
|                 } | ||||
|  | ||||
|                 UhtFunction? function = interfaceClass.FindFunctionByName(scriptName, (uhtFunction, s) => uhtFunction.GetFunctionName() == s); | ||||
|  | ||||
|                 if (function != null && type is UhtFunction typeAsFunction) | ||||
|                 { | ||||
|                     if (function.HasSameSignature(typeAsFunction)) | ||||
|                     { | ||||
|                         continue; | ||||
|                     } | ||||
|                      | ||||
|                     isConflicting = true; | ||||
|                     break; | ||||
|                 } | ||||
|             } | ||||
|         } | ||||
|          | ||||
|         return isConflicting ? type.EngineName : scriptName; | ||||
|     } | ||||
|  | ||||
|     public static string ScriptifyName(string engineName, ENameType nameType) | ||||
|     { | ||||
|         string strippedName = engineName; | ||||
|         switch (nameType) | ||||
|         { | ||||
|             case ENameType.Parameter: | ||||
|                 strippedName = StripPropertyPrefix(strippedName); | ||||
|                 strippedName = PascalToCamelCase(strippedName); | ||||
|                 break; | ||||
|             case ENameType.Property: | ||||
|                 strippedName = StripPropertyPrefix(strippedName); | ||||
|                 break; | ||||
|             case ENameType.Struct: | ||||
|                 break; | ||||
|             case ENameType.Function: | ||||
|                 break; | ||||
|             default: | ||||
|                 throw new ArgumentOutOfRangeException(nameof(nameType), nameType, null); | ||||
|         } | ||||
|          | ||||
|         return EscapeKeywords(strippedName); | ||||
|     } | ||||
|      | ||||
|     public static string StripPropertyPrefix(string inName) | ||||
|     { | ||||
|         int nameOffset = 0; | ||||
|  | ||||
|         while (true) | ||||
|         { | ||||
|             // Strip the "b" prefix from bool names | ||||
|             if (inName.Length - nameOffset >= 2 && inName[nameOffset] == 'b' && char.IsUpper(inName[nameOffset + 1])) | ||||
|             { | ||||
|                 nameOffset += 1; | ||||
|                 continue; | ||||
|             } | ||||
|  | ||||
|             // Strip the "In" prefix from names | ||||
|             if (inName.Length - nameOffset >= 3 && inName[nameOffset] == 'I' && inName[nameOffset + 1] == 'n' && char.IsUpper(inName[nameOffset + 2])) | ||||
|             { | ||||
|                 nameOffset += 2; | ||||
|                 continue; | ||||
|             } | ||||
|             break; | ||||
|         } | ||||
|  | ||||
|         return nameOffset != 0 ? inName.Substring(nameOffset) : inName; | ||||
|     } | ||||
|      | ||||
|     public static string EscapeKeywords(string name) | ||||
|     { | ||||
|         return IsAKeyword(name) || char.IsDigit(name[0]) ? $"_{name}" : name; | ||||
|     } | ||||
|      | ||||
|     private static bool IsAKeyword(string name) | ||||
|     { | ||||
|         return ReservedKeywords.Contains(name); | ||||
|     } | ||||
|      | ||||
|     private static string PascalToCamelCase(string name) | ||||
|     { | ||||
|         return char.ToLowerInvariant(name[0]) + name.Substring(1); | ||||
|     } | ||||
| } | ||||
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