added QuotedPrintable{De,En}coder.

app/converter/quotedprintabledecoder.ts

@@ -0,0 +1,42 @@
+import {Converter} from "./converter";
+
+declare var window:any;
+
+export class QuotedPrintableDecoder implements Converter {
+
+    private utf8:any = window.utf8;
+    private quotedPrintable:any = window.quotedPrintable;
+
+    getDisplayname():string {
+        return "Decode quoted printable";
+    }
+
+    getId():string {
+        return "decodequotedprintable";
+    }
+
+    convert(input:string):string {
+        return this.utf8.decode(this.quotedPrintable.decode(input));
+    }
+}
+
+/*
+ {
+ "id": "decodequotedprintable",
+ "name": "Decode quoted printable",
+ "convert": function (input) {
+ try {
+ return {
+ "status": "OK",
+ "content": utf8.decode(quotedPrintable.decode(input))
+ };
+ } catch (exception) {
+ return {
+ "status": "ERROR",
+ "content": "Invalid quoted printable string."
+ };
+ }
+ }
+ },
+
+ */

app/converter/quotedprintableencoder.ts

@@ -0,0 +1,18 @@
+import {Converter} from "./converter";
+
+declare var window:any;
+
+export class QuotedPrintableEncoder implements Converter {
+
+    getDisplayname():string {
+        return "Encode quoted printable";
+    }
+
+    getId():string {
+        return "encodequotedprintable";
+    }
+
+    convert(input:string):string {
+        return window.quotedPrintable.encode(window.utf8.encode(input));
+    }
+}