link StyleItem to StringPool

src/main/java/com/reandroid/arsc/item/StyleItemReference.java

@@ -0,0 +1,49 @@
+ /*
+  *  Copyright (C) 2022 github.com/REAndroid
+  *
+  *  Licensed under the Apache License, Version 2.0 (the "License");
+  *  you may not use this file except in compliance with the License.
+  *  You may obtain a copy of the License at
+  *
+  *      http://www.apache.org/licenses/LICENSE-2.0
+  *
+  * Unless required by applicable law or agreed to in writing, software
+  * distributed under the License is distributed on an "AS IS" BASIS,
+  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  * See the License for the specific language governing permissions and
+  * limitations under the License.
+  */
+package com.reandroid.arsc.item;
+
+class StyleItemReference implements ReferenceItem{
+    private final StyleItem styleItem;
+    private final int stylePiece;
+    StyleItemReference(StyleItem styleItem, int stylePiece){
+        this.styleItem = styleItem;
+        this.stylePiece = stylePiece;
+    }
+    @Override
+    public void set(int val) {
+        styleItem.setStringRef(stylePiece, val, false);
+    }
+    @Override
+    public int get() {
+        return styleItem.getStringRef(stylePiece);
+    }
+    @Override
+    public boolean equals(Object obj){
+        if(obj==this){
+            return true;
+        }
+        if(!(obj instanceof StyleItemReference)){
+            return false;
+        }
+        StyleItemReference other = (StyleItemReference) obj;
+        return stylePiece == other.stylePiece
+                && styleItem == other.styleItem;
+    }
+    @Override
+    public int hashCode(){
+        return stylePiece;
+    }
+}