From ff57e605ae5b5d7604f21fe53b2902dc87a845ce Mon Sep 17 00:00:00 2001
From: REAndroid <droid.github@gmail.com>
Date: Fri, 5 May 2023 21:19:49 +0200
Subject: [PATCH] fix ResConfig parse three digit region

---
 .../com/reandroid/arsc/value/ResConfig.java   | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/reandroid/arsc/value/ResConfig.java b/src/main/java/com/reandroid/arsc/value/ResConfig.java
index 3a08d18..f176836 100755
--- a/src/main/java/com/reandroid/arsc/value/ResConfig.java
+++ b/src/main/java/com/reandroid/arsc/value/ResConfig.java
@@ -2126,13 +2126,14 @@
                  return false;
              }
              Matcher matcher = PATTERN_REGION.matcher(qualifier);
-             if(!matcher.matches()){
+             if(!matcher.matches() && !isRegionNumber(qualifier)){
                  return false;
              }
              this.mConfig.setRegion(qualifier);
              return true;
          }
 
+
          private boolean isEmpty(){
              if(!mEmpty){
                  mEmpty = isEmpty(mQualifiers);
@@ -2172,6 +2173,25 @@
              }
              return qualifier.split("-");
          }
+         private static boolean isRegionNumber(String qualifier){
+             if(qualifier==null || qualifier.length()==0){
+                 return false;
+             }
+             return qualifier.length() == 3 && isAllDigit(qualifier);
+         }
+         private static boolean isAllDigit(String qualifier){
+             if(qualifier == null || qualifier.length()==0){
+                 return false;
+             }
+             char[] chars = qualifier.toCharArray();
+             for(int i = 0; i < chars.length; i++){
+                 char ch = chars[i];
+                 if(ch > '9' || ch < '0'){
+                     return false;
+                 }
+             }
+             return true;
+         }
 
          private static final Pattern PATTERN_PREFIX_NUMBER = Pattern.compile("^([mcnv]+)([0-9]+)$");
          private static final Pattern PATTERN_DP = Pattern.compile("^([swh]+)([0-9]+)dp$");