added 6 more converters:

- dec <-> bin
- dec <-> hex
- htmlentities de- and encode

app/converter/bintodecconverter.ts

@@ -0,0 +1,14 @@
+import {Converter} from "./converter";
+export class BinToDecConverter implements Converter {
+    getDisplayname():string {
+        return "Convert binary to decimal";
+    }
+
+    getId():string {
+        return "bintodec";
+    }
+
+    convert(input:string):string {
+        return parseInt(input, 2).toString(10);
+    }
+}

app/converter/dectobinconverter.ts

@@ -0,0 +1,14 @@
+import {Converter} from "./converter";
+export class DecToBinConverter implements Converter {
+    getDisplayname():string {
+        return "Convert decimal to binary";
+    }
+
+    getId():string {
+        return "dectobin";
+    }
+
+    convert(input:string):string {
+        return parseInt(input, 10).toString(2);
+    }
+}

app/converter/dectohexconverter.ts

@@ -0,0 +1,14 @@
+import {Converter} from "./converter";
+export class DecToHexConverter implements Converter {
+    getDisplayname():string {
+        return "Convert decimal to heximal";
+    }
+
+    getId():string {
+        return "dectohex";
+    }
+
+    convert(input:string):string {
+        return parseInt(input, 10).toString(16);
+    }
+}

app/converter/hextodecconverter.ts

@@ -0,0 +1,14 @@
+import {Converter} from "./converter";
+export class HexToDecConverter implements Converter {
+    getDisplayname():string {
+        return "Convert heximal to decimal";
+    }
+
+    getId():string {
+        return "hextodec";
+    }
+
+    convert(input:string):string {
+        return parseInt(input, 16).toString(10);
+    }
+}

app/converter/htmlentitiesdecoder.ts

@@ -0,0 +1,19 @@
+import {Converter} from "./converter";
+
+export class HTMLEntitiesDecoder implements Converter {
+    getDisplayname():string {
+        return "Decode HTML entities";
+    }
+
+    getId():string {
+        return "decodehtmlentities";
+    }
+
+    convert(input:string):string {
+        return input
+            .replace(/\&quot\;/g, "\"")
+            .replace(/\&gt\;/g, ">")
+            .replace(/\&lt\;/g, "<")
+            .replace(/\&amp\;/g, "&");
+    }
+}

app/converter/htmlentitiesencoder.ts

@@ -0,0 +1,19 @@
+import {Converter} from "./converter";
+
+export class HTMLEntitiesEncoder implements Converter {
+    getDisplayname():string {
+        return "Encode HTML entities";
+    }
+
+    getId():string {
+        return "encodehtmlentities";
+    }
+
+    convert(input:string):string {
+        return input
+            .replace(/\&/g, "&")
+            .replace(/\</g, "&lt;")
+            .replace(/\>/g, "&gt;")
+            .replace(/\"/g, "&quot;");
+    }
+}