Fix for older Android versions (#585)

* Fix for older Android versions A static initializer check for Android to support older android devices which do not support the standard names. * Update LexerImpl.java
PebbleTemplates · Mar 13, 2021 · aa43888 · aa43888 · andre0017 · May 5, 2021
1 parent f522bb3
commit aa43888
Showing 1 changed file with 10 additions and 2 deletions.
diff --git a/pebble/src/main/java/com/mitchellbosecke/pebble/lexer/LexerImpl.java b/pebble/src/main/java/com/mitchellbosecke/pebble/lexer/LexerImpl.java
@@ -89,8 +89,16 @@ private enum State {
   /**
    * Static regular expressions for identifiers.
    */
-  private static final Pattern REGEX_IDENTIFIER = Pattern
-      .compile("^[\\p{IsAlphabetic}_][\\p{IsAlphabetic}\\p{Digit}_]*");
+  private static final Pattern REGEX_IDENTIFIER;
+
+  static {
+    if ("The Android Project".equals(System.getProperty("java.vendor"))) {
+      REGEX_IDENTIFIER = Pattern.compile("^[\\p{Letter}_][\\p{Letter}\\p{Digit}_]*");
+    } else {
+      // Standard
+      REGEX_IDENTIFIER = Pattern.compile("^[\\p{IsLetter}_][\\p{IsLetter}\\p{IsDigit}_]*");
+    }
+  }
 
   private static final Pattern REGEX_LONG = Pattern.compile("^[0-9]+L");