--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/tesseract/src/training/unicharset/validate_javanese.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,61 @@
+/**********************************************************************
+ * File:        validate_javanese.h
+ * Description: Text validator for Javanese Script - aksara jawa.
+ * Author:      Shree Devi Kumar
+ * Created:     August 03, 2018
+ *
+ * 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.
+ *
+ **********************************************************************/
+
+#ifndef TESSERACT_TRAINING_VALIDATE_JAVANESE_H_
+#define TESSERACT_TRAINING_VALIDATE_JAVANESE_H_
+
+#include "validator.h"
+
+namespace tesseract {
+
+// Subclass of Validator that validates and segments Javanese scripts
+
+class ValidateJavanese : public Validator {
+public:
+  ValidateJavanese(ViramaScript script, bool report_errors) : Validator(script, report_errors) {}
+  ~ValidateJavanese() override = default;
+
+protected:
+  // Returns whether codes matches the pattern for an Javanese Grapheme.
+  // Consumes the next Grapheme in codes_[codes_used_++...] and copies it to
+  // parts_ and output_. Returns true if a valid Grapheme was consumed,
+  // otherwise does not increment codes_used_.
+  bool ConsumeGraphemeIfValid() override;
+  // Returns the CharClass corresponding to the given Unicode ch.
+  Validator::CharClass UnicodeToCharClass(char32 ch) const override;
+
+private:
+  // Helper consumes/copies a virama and any associated post-virama joiners.
+  bool ConsumeViramaIfValid(IndicPair joiner, bool post_matra);
+  // Helper consumes/copies a series of consonants separated by viramas while
+  // valid, but not any vowel or other modifiers.
+  bool ConsumeConsonantHeadIfValid();
+  // Helper consumes/copies a tail part of a consonant, comprising optional
+  // matra/piece, vowel modifier, vedic mark, terminating virama.
+  bool ConsumeConsonantTailIfValid();
+  // Helper consumes/copies a vowel and optional modifiers.
+  bool ConsumeVowelIfValid();
+
+  // Some special unicodes used only for Javanese processing.
+  static const char32 kPengkal = 0xa9be; // Javanese Ya
+  static const char32 kCakra = 0xa9bf;   // Javanese Ra
+};
+
+} // namespace tesseract
+
+#endif // TESSERACT_TRAINING_VALIDATE_JAVANESE_H_