From 6c269dd204e09ceb55af9058380485a167852630 Mon Sep 17 00:00:00 2001
From: Andris Rubenis <rubenis@gmail.com>
Date: Fri, 2 Dec 2016 19:06:13 +0200
Subject: [PATCH] Added operation: "JavaScript" Operation "JavaScript" is added
 under category "Utils" and it adds option to write JS code to manipulate
 data.

---
 src/js/config/Categories.js      |  1 +
 src/js/config/OperationConfig.js | 16 +++++++++++++++-
 src/js/operations/StrUtils.js    | 20 ++++++++++++++++++++
 3 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/src/js/config/Categories.js b/src/js/config/Categories.js
index 02c2b1f5..6246faa3 100755
--- a/src/js/config/Categories.js
+++ b/src/js/config/Categories.js
@@ -162,6 +162,7 @@ var Categories = [
             "Parse UNIX file permissions",
             "Swap endianness",
             "Parse colour code",
+            "JavaScript",
         ]
     },
     {
diff --git a/src/js/config/OperationConfig.js b/src/js/config/OperationConfig.js
index f011a0b2..ab67d029 100755
--- a/src/js/config/OperationConfig.js
+++ b/src/js/config/OperationConfig.js
@@ -2782,5 +2782,19 @@ var OperationConfig = {
         input_type: "string",
         output_type: "string",
         args: []
-    }
+    },
+    "JavaScript": {
+        description: "Script in JavaScript",
+        run: StrUtils.run_javascript,
+        manual_bake: true,
+        input_type: "string",
+        output_type: "string",
+        args: [
+            {
+                name: "@param {string} input, @returns {string}",
+                type: "text",
+                value: "return input;"
+            },
+        ]
+    },
 };
\ No newline at end of file
diff --git a/src/js/operations/StrUtils.js b/src/js/operations/StrUtils.js
index f2bf3706..22e9eddd 100755
--- a/src/js/operations/StrUtils.js
+++ b/src/js/operations/StrUtils.js
@@ -508,5 +508,25 @@ var StrUtils = {
             
         return output;
     },
+
+
+    /**
+     * Script JS.
+     *
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run_javascript: function (input, args) {
+        try {
+            /*jshint -W061 */
+            var fn = Function("input", args);
+            /*jshint +W061 */
+            return fn(input);
+        }
+        catch (err) {
+            return "JavaScript error: " + err.message;
+        }
+    },
     
 };