tesseract/training/validate_khmer.h

28 lines
895 B
C++

#ifndef TESSERACT_TRAINING_VALIDATE_KHMER_H_
#define TESSERACT_TRAINING_VALIDATE_KHMER_H_
#include "validator.h"
namespace tesseract {
// Subclass of Validator that validates and segments Khmer.
class ValidateKhmer : public Validator {
public:
ValidateKhmer(ViramaScript script, bool report_errors)
: Validator(script, report_errors) {}
~ValidateKhmer() {}
protected:
// Returns whether codes matches the pattern for an Khmer 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.
CharClass UnicodeToCharClass(char32 ch) const override;
};
} // namespace tesseract
#endif // TESSERACT_TRAINING_VALIDATE_KHMER_H_