tesseract  5.0.0
validate_khmer.h
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1 #ifndef TESSERACT_TRAINING_VALIDATE_KHMER_H_
2 #define TESSERACT_TRAINING_VALIDATE_KHMER_H_
3 
4 #include "validator.h"
5 
6 namespace tesseract {
7 
8 // Subclass of Validator that validates and segments Khmer.
9 class ValidateKhmer : public Validator {
10 public:
11  ValidateKhmer(ViramaScript script, bool report_errors) : Validator(script, report_errors) {}
12  ~ValidateKhmer() override = default;
13 
14 protected:
15  // Returns whether codes matches the pattern for an Khmer Grapheme.
16  // Consumes the next Grapheme in codes_[codes_used_++...] and copies it to
17  // parts_ and output_. Returns true if a valid Grapheme was consumed,
18  // otherwise does not increment codes_used_.
19  bool ConsumeGraphemeIfValid() override;
20  // Returns the CharClass corresponding to the given Unicode ch.
21  CharClass UnicodeToCharClass(char32 ch) const override;
22 };
23 
24 } // namespace tesseract
25 
26 #endif // TESSERACT_TRAINING_VALIDATE_KHMER_H_
signed int char32
Definition: unichar.h:51
bool ConsumeGraphemeIfValid() override
~ValidateKhmer() override=default
CharClass UnicodeToCharClass(char32 ch) const override
ValidateKhmer(ViramaScript script, bool report_errors)