feat: add support for base16

Author: jeremybarbet

README.md

@@ -1,6 +1,6 @@
 # react-native-jsi-base-coder
 
-Base64 and Base32 encoding/decoding for React Native written in C/C++ and JSI.
+Base64/32/16 encoding/decoding for React Native written in C/C++ and JSI.
 
 ## Installation
 
@@ -54,6 +54,8 @@ enum Algorithm {
   'base32Rfc4648' = 'base32Rfc4648',
   'base32Crockford' = 'base32Crockford',
   'base32Hex' = 'base32Hex',
+  'base16Upper' = 'base16Upper',
+  'base16Lower' = 'base16Lower',
 }
 
 encode('string to encode', { algorithm: Algorithm.base32Crockford });

cpp/BaseCoderHostObject.cpp

@@ -8,6 +8,9 @@
 #include "../cppcodec/cppcodec/base32_crockford.hpp"
 #include "../cppcodec/cppcodec/base32_hex.hpp"
 
+#include "../cppcodec/cppcodec/hex_upper.hpp"
+#include "../cppcodec/cppcodec/hex_lower.hpp"
+
 #include <jsi/jsi.h>
 #include <string>
 #include <iostream>
@@ -34,6 +37,9 @@ Value BaseCoderHostObject::get(Runtime& runtime, const PropNameID& propNameId) {
   using base32Rfc4648 = cppcodec::base32_rfc4648;
   using base32Crockford = cppcodec::base32_crockford;
   using base32Hex = cppcodec::base32_hex;
+  
+  using base16Upper = cppcodec::hex_upper;
+  using base16Lower = cppcodec::hex_lower;
 
   if (propName == "encode") {
     auto encode = [this] (Runtime& runtime, const Value& thisValue, const Value* arguments, size_t count) -> Value {
@@ -57,37 +63,49 @@ Value BaseCoderHostObject::get(Runtime& runtime, const PropNameID& propNameId) {
       if (algorithm == "base64Rfc4648") {
         string stringEncoded = base64Rfc4648::encode(stringToEncode);
 
-        result = stringEncoded.c_str();
+        result = stringEncoded;
       }
 
       if (algorithm == "base64Url") {
         string stringEncoded = base64Url::encode(stringToEncode);
 
-        result = stringEncoded.c_str();
+        result = stringEncoded;
       }
 
       if (algorithm == "base64UrlUnpadded") {
         string stringEncoded = base64UrlUnpadded::encode(stringToEncode);
 
-        result = stringEncoded.c_str();
+        result = stringEncoded;
       }
 
       if (algorithm == "base32Rfc4648") {
         string stringEncoded = base32Rfc4648::encode(stringToEncode);
 
-        result = stringEncoded.c_str();
+        result = stringEncoded;
       }
 
       if (algorithm == "base32Crockford") {
         string stringEncoded = base32Crockford::encode(stringToEncode);
 
-        result = stringEncoded.c_str();
+        result = stringEncoded;
       }
 
       if (algorithm == "base32Hex") {
         string stringEncoded = base32Hex::encode(stringToEncode);
 
-        result = stringEncoded.c_str();
+        result = stringEncoded;
+      }
+      
+      if (algorithm == "base16Upper") {
+        string stringEncoded = base16Upper::encode(stringToEncode);
+
+        result = stringEncoded;
+      }
+      
+      if (algorithm == "base16Lower") {
+        string stringEncoded = base16Lower::encode(stringToEncode);
+
+        result = stringEncoded;
       }
 
       return String::createFromUtf8(runtime, result);
@@ -113,51 +131,57 @@ Value BaseCoderHostObject::get(Runtime& runtime, const PropNameID& propNameId) {
         throw JSError(runtime, "[react-native-jsi-base-coder] The `bytesToDecode` cannot be an empty string.");
       }
 
-      vector<unsigned char> result;
+      string result;
 
       if (algorithm == "base64Rfc4648") {
-        vector<unsigned char> bytesDecoded = base64Rfc4648::decode(bytesToDecode);
+        vector<uint8_t> bytesDecoded = base64Rfc4648::decode(bytesToDecode);
 
-        result = bytesDecoded;
+        result.assign(bytesDecoded.begin(), bytesDecoded.end());
       }
 
       if (algorithm == "base64Url") {
-        vector<unsigned char> bytesDecoded = base64Url::decode(bytesToDecode);
+        vector<uint8_t> bytesDecoded = base64Url::decode(bytesToDecode);
 
-        result = bytesDecoded;
+        result.assign(bytesDecoded.begin(), bytesDecoded.end());
       }
 
       if (algorithm == "base64UrlUnpadded") {
-        vector<unsigned char> bytesDecoded = base64UrlUnpadded::decode(bytesToDecode);
+        vector<uint8_t> bytesDecoded = base64UrlUnpadded::decode(bytesToDecode);
 
-        result = bytesDecoded;
+        result.assign(bytesDecoded.begin(), bytesDecoded.end());
       }
 
       if (algorithm == "base32Rfc4648") {
-        vector<unsigned char> bytesDecoded = base32Rfc4648::decode(bytesToDecode);
+        vector<uint8_t> bytesDecoded = base32Rfc4648::decode(bytesToDecode);
 
-        result = bytesDecoded;
+        result.assign(bytesDecoded.begin(), bytesDecoded.end());
       }
 
       if (algorithm == "base32Crockford") {
-        vector<unsigned char> bytesDecoded = base32Crockford::decode(bytesToDecode);
+        vector<uint8_t> bytesDecoded = base32Crockford::decode(bytesToDecode);
 
-        result = bytesDecoded;
+        result.assign(bytesDecoded.begin(), bytesDecoded.end());
       }
 
       if (algorithm == "base32Hex") {
-        vector<unsigned char> bytesDecoded = base32Hex::decode(bytesToDecode);
+        vector<uint8_t> bytesDecoded = base32Hex::decode(bytesToDecode);
 
-        result = bytesDecoded;
+        result.assign(bytesDecoded.begin(), bytesDecoded.end());
       }
+      
+      if (algorithm == "base16Upper") {
+        vector<uint8_t> bytesDecoded = base16Upper::decode(bytesToDecode);
 
-      string s;
+        result.assign(bytesDecoded.begin(), bytesDecoded.end());
+      }
+      
+      if (algorithm == "base16Lower") {
+        vector<uint8_t> bytesDecoded = base16Lower::decode(bytesToDecode);
 
-      transform(result.begin(), result.end(), back_inserter(s), [](char c) {
-        return c;
-      });
+        result.assign(bytesDecoded.begin(), bytesDecoded.end());
+      }
 
-      return String::createFromUtf8(runtime, s);
+      return String::createFromUtf8(runtime, result);
     };
 
     return Function::createFromHostFunction(runtime, PropNameID::forUtf8(runtime, "decode"), 0, decode);

example/ios/Podfile.lock

@@ -228,7 +228,7 @@ PODS:
   - React-jsinspector (0.67.1)
   - React-logger (0.67.1):
     - glog
-  - react-native-jsi-base-coder (0.0.1):
+  - react-native-jsi-base-coder (0.0.2):
     - React-Core
   - React-perflogger (0.67.1)
   - React-RCTActionSheet (0.67.1):
@@ -429,7 +429,7 @@ SPEC CHECKSUMS:
   React-jsiexecutor: 1af5de75a4c834c05d53a77c1512e5aa6c18412f
   React-jsinspector: ab80bcdb02f28cdfc0dbbaea6db1241565d59002
   React-logger: b08f354e4c928ff794ca477347fea0922aaf11c3
-  react-native-jsi-base-coder: 9955793f53110c4cf13d9b061b42b43b4ff5e997
+  react-native-jsi-base-coder: 3d083c39c3b877b8db591e41ee24d78a03ebedb5
   React-perflogger: 9a6172711d9c4c8c7ac0a426717317c3c6ecf85c
   React-RCTActionSheet: ed408b54b08278e6af8a75e08679675041da61ae
   React-RCTAnimation: 0163b497a423a9576a776685c6e3fe276f934758

example/src/App.tsx

@@ -27,6 +27,11 @@ export default () => {
     encodedHex: encode(rawString, { algorithm: Algorithm.base32Hex }),
   };
 
+  const base16 = {
+    encodedUpper: encode(rawString, { algorithm: Algorithm.base16Upper }),
+    encodedLower: encode(rawString, { algorithm: Algorithm.base16Lower }),
+  };
+
   const Base64Examples = () => (
     <>
       <SubHeading>Base64</SubHeading>
@@ -109,6 +114,35 @@ export default () => {
     </>
   );
 
+  const Base16Examples = () => (
+    <>
+      <SubHeading>Base16</SubHeading>
+      <Copy style={{ marginTop: 20 }}>Upper</Copy>
+
+      <Group>
+        <Copy style={{ marginBottom: 8 }}>{encodeValue(rawString)}</Copy>
+        <Copy>{base16.encodedUpper}</Copy>
+      </Group>
+
+      <Group>
+        <Copy style={{ marginBottom: 8 }}>{decodeValue(base16.encodedUpper)}</Copy>
+        <Copy>{decode(base16.encodedUpper, { algorithm: Algorithm.base16Upper })}</Copy>
+      </Group>
+
+      <Copy style={{ marginTop: 20 }}>Lower</Copy>
+
+      <Group>
+        <Copy style={{ marginBottom: 8 }}>{encodeValue(rawString)}</Copy>
+        <Copy>{base16.encodedLower}</Copy>
+      </Group>
+
+      <Group>
+        <Copy style={{ marginBottom: 8 }}>{decodeValue(base16.encodedLower)}</Copy>
+        <Copy>{decode(base16.encodedLower, { algorithm: Algorithm.base16Lower })}</Copy>
+      </Group>
+    </>
+  );
+
   return (
     <ScrollView>
       <StatusBar barStyle={isDark ? 'light-content' : 'dark-content'} />
@@ -119,6 +153,7 @@ export default () => {
         <View style={styles.group}>
           <Base64Examples />
           <Base32Examples />
+          <Base16Examples />
         </View>
       </View>
     </ScrollView>

package.json

@@ -1,7 +1,7 @@
 {
   "name": "react-native-jsi-base-coder",
   "version": "0.0.2",
-  "description": "Base64 and Base32 encoding/decoding for React Native written in C/C++ and JSI.",
+  "description": "Base64/32/16 encoding/decoding for React Native written in C/C++ and JSI.",
   "repository": "https://github.com/jeremybarbet/react-native-jsi-base-coder",
   "author": "Jérémy Barbet <[email protected]> (https://github.com/jeremybarbet)",
   "license": "MIT",
@@ -31,6 +31,20 @@
     "!**/__fixtures__",
     "!**/__mocks__"
   ],
+  "keywords": [
+    "react-native",
+    "ios",
+    "android",
+    "jsi",
+    "c++",
+    "base64",
+    "base32",
+    "base16",
+    "encode",
+    "decode",
+    "rfc4648",
+    "crockford"
+  ],
   "scripts": {
     "typescript": "tsc --noEmit",
     "prepare": "yarn build && yarn build:dts",
@@ -45,19 +59,6 @@
     "format": "git ls-files -m | xargs yarn prettier --write --ignore-unknown --no-error-on-unmatched-pattern",
     "submodule:update": "git submodule update --remote --merge"
   },
-  "keywords": [
-    "react-native",
-    "ios",
-    "android",
-    "jsi",
-    "c++",
-    "base64",
-    "base32",
-    "encode",
-    "decode",
-    "rfc4648",
-    "crockford"
-  ],
   "devDependencies": {
     "@firmnav/eslint-github-actions-formatter": "1.0.1",
     "@release-it/conventional-changelog": "4.3.0",

src/types/global.d.ts

@@ -7,6 +7,8 @@ export enum Algorithm {
   'base32Rfc4648' = 'base32Rfc4648',
   'base32Crockford' = 'base32Crockford',
   'base32Hex' = 'base32Hex',
+  'base16Upper' = 'base16Upper',
+  'base16Lower' = 'base16Lower',
 }
 
 export interface Config {