add bindings

Setup/BeefProj.toml

@@ -0,0 +1,9 @@
+FileVersion = 1
+
+[Project]
+Name = "TinyglTF.Setup"
+StartupObject = "TinyglTF.Setup.Program"
+
+[Dependencies]
+corlib = "*"
+"Cpp2Beef.git" = {Git = "https://git.unicon-gmbh.de/Rune/Cpp2Beef.git"}

Setup/BeefSpace.toml

@@ -0,0 +1,8 @@
+FileVersion = 1
+
+[Workspace]
+StartupProject = "TinyglTF.Setup"
+
+[Projects]
+"TinyglTF.Setup" = {Path = "."}
+"Cpp2Beef.git" = {Git = "https://git.unicon-gmbh.de/Rune/Cpp2Beef.git"}

Setup/BeefSpace_Lock.toml

@@ -0,0 +1,11 @@
+FileVersion = 1
+
+[Locks."Clang-C.git".Git]
+URL = "https://git.unicon-gmbh.de/BeefBindings/Clang-C.git"
+Tag = ""
+Hash = "86db0167f15d08a63a91a19e46f983a5511bac1a"
+
+[Locks."Cpp2Beef.git".Git]
+URL = "https://git.unicon-gmbh.de/Rune/Cpp2Beef.git"
+Tag = ""
+Hash = "e9242f157093963d56a16382fad9ca654e3d86ce"

Setup/src/Program.bf

@@ -0,0 +1,204 @@
+using System;
+using System.IO;
+using System.Collections;
+using System.Diagnostics;
+
+using Cpp2Beef;
+using LibClang;
+
+namespace TinyglTF.Setup;
+
+class TinyglTFGenerator : Cpp2BeefGenerator, this(Span<char8*> args)
+{
+	protected override Span<char8*> Args => args;
+	protected override Flags Flags => .None;
+
+	// You can have your binding in one file or in multiple, file management is up to you
+	StreamWriter writer = new .()..Create("../src/TinyglTF_v3.bf")..Write("""
+		// This file was generated by Cpp2Beef
+
+		using System;
+		using System.Interop;
+
+		namespace TinyglTF;
+
+
+		""") ~ delete _;
+
+	protected override StreamWriter GetWriterForHeader(StringView header)
+	{
+		if (header.EndsWith("tiny_gltf_v3.h"))
+			return writer;
+		return null;
+	}
+
+	protected override Block GetCursorBlock(CXCursor cursor)
+	{
+		if (cursor.kind == .FunctionDecl)
+			return .CustomBlock("TinyglTF");
+		if (cursor.kind == .MacroDefinition && GetMacroEnum(GetCursorSpelling!(cursor)) != -1)
+			return .NoBlock;
+		return base.GetCursorBlock(cursor);
+	}
+
+	protected override void Record(CXCursor cursor, bool attributes = true)
+	{
+		base.Record(cursor, attributes);
+
+		StringView spelling = GetCursorSpelling!(cursor);
+		bool isStr = spelling == "tg3_str";
+		if (isStr || spelling.StartsWith("tg3_span_"))
+		{
+			str.Append("\n", cursorIndent, "public static operator ");
+			if (isStr)
+				str.Append("StringView");
+			else
+			{
+				str.Append("Span<");
+				Clang.VisitChildren(cursor, (cursor, parent, client_data) =>
+				{
+					Self self = (.)Internal.UnsafeCastToObject(client_data);
+					self.Type(Clang.GetPointeeType(Clang.GetCursorType(cursor)));
+					return .Break;
+				}, Internal.UnsafeCastToPtr(this));
+				str.Append('>');
+			}
+			str.Append("(Self self) => .(self.data, (.)self.", isStr ? "len" : "count", ");");
+		}
+	}
+
+	const String[?] macroEnumNames = .("tg3_PrimitiveMode", "tg3_ComponentType", "tg3_AccessorType", "tg3_TextureFilter", "tg3_TextureWrapMode",
+									   "tg3_ImageFormat", "tg3_TextureFormat", "tg3_BufferTarget", "tg3_SectionCheckFlags");
+	const String[?] macroEnumPrefixes = .("mode", "component_type", "type", "texture_filter", "texture_wrap", "image_format", "texture_format", "target", "required_sections");
+	StringView currentMacroEnum = null;
+
+	static int GetMacroEnum(StringView spelling)
+	{
+		if (!spelling.StartsWith("TG3_"))
+			return -1;
+		if (spelling == "TG3_NO_REQUIRE" || spelling.StartsWith("TG3_REQUIRE_"))
+			return macroEnumPrefixes.Count-1;
+		var spelling;
+		spelling.RemoveFromStart(4);
+		for (let prefix in macroEnumPrefixes)
+			if (spelling.StartsWith(prefix, .OrdinalIgnoreCase) && spelling[prefix.Length] == '_')
+				return @prefix;
+		return -1;
+	}
+
+	protected override void MacroDefinition(CXCursor cursor)
+	{
+		StringView spelling = GetCursorSpelling!(cursor);
+		int idx = GetMacroEnum(spelling);
+		if (idx == -1)
+		{
+			if (!currentMacroEnum.IsNull)
+			{
+				str.Insert(0, "\n}");
+				currentMacroEnum = null;
+			}
+			base.MacroDefinition(cursor);
+			return;
+		}
+
+		if (currentMacroEnum != macroEnumNames[idx])
+		{
+			if (!currentMacroEnum.IsNull) str.Insert(0, "\n}");
+			str.Append("[CRepr] enum ", macroEnumNames[idx], "\n{\n");
+			currentMacroEnum = macroEnumNames[idx];
+		}
+
+		int prefixLen = macroEnumPrefixes[idx].Length + 5;
+		if (idx == macroEnumPrefixes.Count-1)
+			prefixLen = 4;
+
+		str.Append('\t');
+		UpperSnakeCase2PascalCase(spelling[prefixLen...], str);
+		str.Append(" = ");
+		WriteTokens(ScopeTokenize!(cursor, unit)[1...], Clang.GetNullLocation(), .Punctuation);
+		str.Append(',');
+	}
+
+	protected override void Type(CXType type, TypeParamMode paramMode = .None)
+	{
+		if (currentCursor.kind == .FieldDecl && GetTypeSpelling!(type) == "int32_t")
+		{
+			let spelling = GetCursorSpelling!(currentCursor);
+			if (spelling.StartsWith("wrap_"))
+			{
+				str.Append("tg3_TextureWrapMode");
+				return;
+			}
+			for (let prefix in macroEnumPrefixes)
+				if (prefix == spelling)
+				{
+					str.Append(macroEnumNames[@prefix]);
+					return;
+				}
+		}
+		base.Type(type, paramMode);
+	}
+
+	protected override void Enum(CXCursor cursor)
+	{
+		if (!currentMacroEnum.IsNull)
+		{
+			str.Insert(0, "\n}");
+			currentMacroEnum = null;
+		}
+		base.Enum(cursor);
+	}
+
+	protected override void GetNameInBindings(CXCursor cursor, String outString)
+	{
+		switch (cursor.kind)
+		{
+		case .EnumConstantDecl:
+			StringView parent = GetCursorSpelling!(Clang.GetCursorSemanticParent(cursor));
+			StringView spelling = GetCursorSpelling!(cursor);
+			int index = parent[4...].IndexOf('_');
+			if (index >= 0) parent = parent[...(index + 4)];
+			if (spelling.StartsWith(parent, .OrdinalIgnoreCase))
+				spelling.RemoveFromStart(parent.Length);
+			else if (spelling.StartsWith("TG3_"))
+				spelling.RemoveFromStart(4);
+			if (spelling.StartsWith('_'))
+				spelling.RemoveFromStart(1);
+			UpperSnakeCase2PascalCase(spelling, outString);
+			return;
+		case .EnumDecl, .StructDecl, .UnionDecl, .TypedefDecl:
+			if (!GetCursorSpelling!(cursor).StartsWith("tg3_"))
+				break;
+			outString.Append("tg3_");
+			fallthrough;
+		case .FunctionDecl:
+			StringView spelling = GetCursorSpelling!(cursor);
+			Runtime.Assert(spelling.StartsWith("tg3_"));
+			spelling.RemoveFromStart(4);
+			UpperSnakeCase2PascalCase(spelling, outString);
+			return;
+		default:
+		}	 
+        base.GetNameInBindings(cursor, outString);
+	}
+}
+
+class Program
+{
+	[CLink] static extern int32 system(char8*);
+
+	public static int Main(String[] args)
+	{
+		void Download(String file)
+		{
+			if (system(scope $"wget -O ../src/{file} https://raw.githubusercontent.com/syoyo/tinygltf/refs/heads/release/{file}") != 0)
+				Runtime.FatalError(scope $"Failed to download {file}");
+		}
+		Download("tiny_gltf_v3.h");
+		Download("tiny_gltf_v3.c");
+		Download("tinygltf_json_c.h");
+
+		scope TinyglTFGenerator(char8*[?]("--language=c")).Generate("../src/tiny_gltf_v3.h");
+		return 0;
+	}
+}