ESM: Ported CharEnc operations

src/core/operations/DecodeText.mjs

@@ -0,0 +1,55 @@
+/**
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2016
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import cptable from "../vendor/js-codepage/cptable.js";
+import {IO_FORMAT} from "../lib/ChrEnc";
+
+/**
+ * Decode text operation
+ */
+class DecodeText extends Operation {
+
+    /**
+     * DecodeText constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Decode text";
+        this.module = "CharEnc";
+        this.description = [
+            "Decodes text from the chosen character encoding.",
+            "<br><br>",
+            "Supported charsets are:",
+            "<ul>",
+            Object.keys(IO_FORMAT).map(e => `<li>${e}</li>`).join("\n"),
+            "</ul>",
+        ].join("\n");
+        this.inputType = "byteArray";
+        this.outputType = "string";
+        this.args = [
+            {
+                "name": "Encoding",
+                "type": "option",
+                "value": Object.keys(IO_FORMAT)
+            }
+        ];
+    }
+
+    /**
+     * @param {byteArray} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        const format = IO_FORMAT[args[0]];
+        return cptable.utils.decode(format, input);
+    }
+
+}
+
+export default DecodeText;

src/core/operations/EncodeText.mjs

@@ -0,0 +1,58 @@
+/**
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2016
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import cptable from "../vendor/js-codepage/cptable.js";
+import {IO_FORMAT} from "../lib/ChrEnc";
+
+/**
+ * Encode text operation
+ */
+class EncodeText extends Operation {
+
+    /**
+     * EncodeText constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Encode text";
+        this.module = "CharEnc";
+        this.description = [
+            "Encodes text into the chosen character encoding.",
+            "<br><br>",
+            "Supported charsets are:",
+            "<ul>",
+            Object.keys(IO_FORMAT).map(e => `<li>${e}</li>`).join("\n"),
+            "</ul>",
+        ].join("\n");
+        this.inputType = "string";
+        this.outputType = "byteArray";
+        this.args = [
+            {
+                "name": "Encoding",
+                "type": "option",
+                "value": Object.keys(IO_FORMAT)
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {byteArray}
+     */
+    run(input, args) {
+        const format = IO_FORMAT[args[0]];
+        let encoded = cptable.utils.encode(format, input);
+        encoded = Array.from(encoded);
+        return encoded;
+    }
+
+}
+
+
+export default EncodeText;