Add unsigned number methods to CBORGenerator

Author: Radiokot

cbor/src/main/java/com/fasterxml/jackson/dataformat/cbor/CBORGenerator.java

@@ -1142,6 +1142,20 @@ public void writeNull() throws IOException {
         _writeByte(BYTE_NULL);
     }
 
+    /**
+     * Method for outputting given value as an unsigned integer.
+     * Can be called in any context where a value is expected
+     * (Array value, Object field value, root-level value).
+     *
+     * @param i Number value to write
+     * @throws IOException if there is either an underlying I/O problem or encoding
+     *                     issue at format layer
+     */
+    public void writeNumberUnsigned(int i) throws IOException {
+        _verifyValueWrite("write number unsigned");
+        _writeIntMinimal(PREFIX_TYPE_INT_POS, i);
+    }
+
     @Override
     public void writeNumber(int i) throws IOException {
         _verifyValueWrite("write number");
@@ -1183,6 +1197,33 @@ public void writeNumber(int i) throws IOException {
         _outputBuffer[_outputTail++] = b0;
     }
 
+    /**
+     * Method for outputting given value as an unsigned integer.
+     * Can be called in any context where a value is expected
+     * (Array value, Object field value, root-level value).
+     *
+     * @param l Number value to write
+     * @throws IOException if there is either an underlying I/O problem or encoding
+     *                     issue at format layer
+     */
+    public void writeNumberUnsigned(long l) throws IOException {
+        if (_cfgMinimalInts && l >= 0 && l < 0x100000000L) {
+            writeNumberUnsigned((int) l);
+            return;
+        }
+        _verifyValueWrite("write number unsigned");
+        _ensureRoomForOutput(9);
+        _outputBuffer[_outputTail++] = (byte) (PREFIX_TYPE_INT_POS + SUFFIX_UINT64_ELEMENTS);
+        _outputBuffer[_outputTail++] = (byte) (l >> 56);
+        _outputBuffer[_outputTail++] = (byte) (l >> 48);
+        _outputBuffer[_outputTail++] = (byte) (l >> 40);
+        _outputBuffer[_outputTail++] = (byte) (l >> 32);
+        _outputBuffer[_outputTail++] = (byte) (l >> 24);
+        _outputBuffer[_outputTail++] = (byte) (l >> 16);
+        _outputBuffer[_outputTail++] = (byte) (l >> 8);
+        _outputBuffer[_outputTail++] = (byte) l;
+    }
+
     @Override
     public void writeNumber(long l) throws IOException {
         _verifyValueWrite("write number");