From 08ace389142621eecb1661271f15c240028d1bda Mon Sep 17 00:00:00 2001
From: WerWolv <werwolv98@gmail.com>
Date: Thu, 17 Mar 2022 00:11:54 +0100
Subject: [PATCH] patterns: Added vdf pattern

---
 README.md           |  5 +----
 patterns/vdf.hexpat | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 4 deletions(-)
 create mode 100644 patterns/vdf.hexpat

diff --git a/README.md b/README.md
index 22c3f79..27decb5 100644
--- a/README.md
+++ b/README.md
@@ -25,10 +25,7 @@ Hex patterns, include patterns and magic files for the use with the ImHex Hex Ed
 | Java Class | `application/x-java-applet` | `patterns/java_class.hexpat` | Java Class files | 
 | ARM VTOR | | `patterns/arm_cm_vtor.hexpat` | ARM Cortex M Vector Table Layout | 
 | ICO | | `patterns/ico.hexpat` | Icon (.ico) or Cursor (.cur) files | 
-| PNG  | `image/png` | `patterns/png.hexpat` | PNG image files | 
-| DDS | `image/vnd-ms.dds` | `patterns/dds.hexpat` | DirectDraw Surface |
-| TGA | `image/tga` | `patterns/tga.hexpat` | Truevision TGA/TARGA image |
-| ISO | | `patterns/iso.hexpat` | ISO 9660 file system |
+| VDF | | `patterns/vdf.hexpat` | Binary Value Data Format (.vdf) files | 
 
 ### Scripts
 
diff --git a/patterns/vdf.hexpat b/patterns/vdf.hexpat
new file mode 100644
index 0000000..96ca54e
--- /dev/null
+++ b/patterns/vdf.hexpat
@@ -0,0 +1,36 @@
+#pragma eval_depth 0x10000
+
+#include <std/mem.pat>
+#include <std/sys.pat>
+
+enum Type : u8 {
+	Set = 0x00,
+	String = 0x01,
+	Integer = 0x02,
+	EndSet = 0x08
+};
+
+struct Entry {
+	Type type;
+	
+	char name[];
+	
+	if (type == Type::Set) {
+		Entry entries[while (std::mem::read_unsigned($, 1) != Type::EndSet)];
+		Type endSet [[hidden]];
+		std::assert(endSet == Type::EndSet, "Invalid end of set byte!");
+	}
+	else if (type == Type::Integer)
+		u32 value;
+	else if (type == Type::String) {
+		char value[];
+	}
+};
+
+struct Set {
+	Entry entry [[inline]];
+	Type endSet [[hidden]];
+	std::assert(endSet == Type::EndSet, "Invalid end of set byte!");
+};
+
+Set set[while (std::mem::read_unsigned($ - 1, 1) != Type::EndSet)] @ 0x00;
\ No newline at end of file