Adding From Char(hex) feature

README.md

@@ -6,11 +6,14 @@ This is a fork of original CyberChef by GCHQ. This project has implemented my ow
 
 - opeartion **nTcpdump**: tcpdump hexdump convert
 - operation **From 0x[Hex]**: e.g. <code>0x217e21</code> to <code>!~!</code>
+- operation **From char(hex)**: 
+	- e.g. <code>chr(33)</code> to <code>!</code>
+	- This operation supports char() and chr()
+	- Combining the usage of **From 0x[Hex]** and **From char(hex)** can decode <code>chr(0x3333)</code> to <code>!</code>
 
 ## Todo
 
 - operation GZip HTTP data
-- operation char() data
 - operation SQL comment strip function
 
 

src/js/config/Categories.js

@@ -29,6 +29,7 @@ var Categories = [
             "From Hexdump",
             "From nTcpdump",
 			"From 0x[Hex]",
+			"From Char(Hex)",
             "To Hex",
             "From Hex",
             "To Charcode",

src/js/config/OperationConfig.js

@@ -400,6 +400,15 @@ var OperationConfig = {
         outputType: "string",
         args: []
     },
+    "From Char(Hex)": {
+        description: "Converts a hexadecimal byte string back into a its raw value.<br><br>e.g. <code>chr(33)</code> becomes the UTF-8 encoded string <code>!</code>",
+        run: ByteRepr.runFromCharHex,
+        highlight: ByteRepr.highlightFrom,
+        highlightReverse: ByteRepr.highlightTo,
+        inputType: "string",
+        outputType: "string",
+        args: []
+    },
     "From Hex": {
         description: "Converts a hexadecimal byte string back into a its raw value.<br><br>e.g. <code>ce 93 ce b5 ce b9 ce ac 20 cf 83 ce bf cf 85 0a</code> becomes the UTF-8 encoded string <code>Γειά σου</code>",
         run: ByteRepr.runFromHex,

src/js/operations/ByteRepr.js

@@ -69,6 +69,25 @@ var ByteRepr = {
 		});
 		return data;
     },
+	
+	
+	/**
+     * From char(hex) operation.
+     *
+     * @param {string} input (Starting with chr or char only in the raw input)
+     * @param {Object[]} args
+     * @returns {byteArray}
+     */
+	runFromCharHex: function(input, args) {
+		var data = input.replace(/cha?r\((\d{1,3})\)/ig, 
+		function(match, p1) {
+			if (p1) {
+				console.log(p1);
+				return Utils.byteArrayToChars([parseInt(p1)]);
+			};
+		});
+		return data;
+    },
 
 
     /**