ESM: Added remaining ByteRepr operations.

src/core/operations/FromHexContent.mjs

@@ -0,0 +1,66 @@
+/**
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2016
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import Utils from "../Utils";
+import {fromHex} from "../lib/Hex";
+
+/**
+ * From Hex Content operation
+ */
+class FromHexContent extends Operation {
+
+    /**
+     * FromHexContent constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "From Hex Content";
+        this.module = "Default";
+        this.description = "Translates hexadecimal bytes in text back to raw bytes.<br><br>e.g. <code>foo|3d|bar</code> becomes <code>foo=bar</code>.";
+        this.inputType = "string";
+        this.outputType = "byteArray";
+        this.args = [];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {byteArray}
+     */
+    run(input, args) {
+        const regex = /\|([a-f\d ]{2,})\|/gi,
+            output = [];
+        let m, i = 0;
+        while ((m = regex.exec(input))) {
+            // Add up to match
+            for (; i < m.index;)
+                output.push(Utils.ord(input[i++]));
+
+            // Add match
+            const bytes = fromHex(m[1]);
+            if (bytes) {
+                for (let a = 0; a < bytes.length;)
+                    output.push(bytes[a++]);
+            } else {
+                // Not valid hex, print as normal
+                for (; i < regex.lastIndex;)
+                    output.push(Utils.ord(input[i++]));
+            }
+
+            i = regex.lastIndex;
+        }
+        // Add all after final match
+        for (; i < input.length;)
+            output.push(Utils.ord(input[i++]));
+
+        return output;
+    }
+
+}
+
+export default FromHexContent;