From ce4621d0268d761be96a482ca6b1eaac4da55c32 Mon Sep 17 00:00:00 2001
From: REAndroid <droid.github@gmail.com>
Date: Sat, 25 Mar 2023 07:22:39 -0400
Subject: [PATCH] simplify put bit at index method

---
 .../com/reandroid/arsc/item/ByteArray.java    | 19 ++++++-------------
 1 file changed, 6 insertions(+), 13 deletions(-)

diff --git a/src/main/java/com/reandroid/arsc/item/ByteArray.java b/src/main/java/com/reandroid/arsc/item/ByteArray.java
index 26746c9..09abcb1 100755
--- a/src/main/java/com/reandroid/arsc/item/ByteArray.java
+++ b/src/main/java/com/reandroid/arsc/item/ByteArray.java
@@ -80,7 +80,7 @@ public class ByteArray extends BlockItem {
         }
         return 0xff & b;
     }
-    public final void put(int index, int byteValue){
+    public final void putByte(int index, int byteValue){
         put(index, (byte) byteValue);
     }
     public final void put(int index, byte value){
@@ -91,18 +91,11 @@ public class ByteArray extends BlockItem {
         return ((get(byteOffset)>>bitIndex) & 0x1) == 1;
     }
     public void putBit(int byteOffset, int bitIndex, boolean bit){
-        int val=get(byteOffset);
-        int left=val>>bitIndex;
-        if(bit){
-            left=left|0x1;
-        }else {
-            left=left & 0xFE;
-        }
-        left=left<<bitIndex;
-        bitIndex=8-bitIndex;
-        int right=(0xFF>>bitIndex) & val;
-        val=left|right;
-        put(byteOffset, (byte) val);
+        int mask = 1 << bitIndex;
+        int add = bit ? mask : 0;
+        mask = (~mask) & 0xff;
+        int value = (get(byteOffset) & mask) | add;
+        putByte(byteOffset, value);
     }
     public final void putShort(int offset, int value){
         putShort(offset, (short) value);