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// © 2021 and later: Unicode, Inc. and others.
// License & terms of use:
#ifndef LSTMBE_H
#define LSTMBE_H
#include "unicode/utypes.h"
#include "unicode/uniset.h"
#include "unicode/ures.h"
#include "unicode/utext.h"
#include "unicode/utypes.h"
#include "brkeng.h"
#include "dictbe.h"
#include "uvectr32.h"
class Vectorizer;
struct LSTMData;
* LSTMBreakEngine
* <p>LSTMBreakEngine is a kind of DictionaryBreakEngine that uses a
* LSTM to determine language-specific breaks.</p>
* <p>After it is constructed a LSTMBreakEngine may be shared between
* threads without synchronization.</p>
class LSTMBreakEngine : public DictionaryBreakEngine {
* <p>Constructor.</p>
LSTMBreakEngine(const LSTMData* data, const UnicodeSet& set, UErrorCode &status);
* <p>Virtual destructor.</p>
virtual ~LSTMBreakEngine();
virtual const UChar* name() const;
* <p>Divide up a range of known dictionary characters handled by this break engine.</p>
* @param text A UText representing the text
* @param rangeStart The start of the range of dictionary characters
* @param rangeEnd The end of the range of dictionary characters
* @param foundBreaks Output of C array of int32_t break positions, or 0
* @param status Information on any errors encountered.
* @return The number of breaks found
virtual int32_t divideUpDictionaryRange(UText *text,
int32_t rangeStart,
int32_t rangeEnd,
UVector32 &foundBreaks,
UBool isPhraseBreaking,
UErrorCode& status) const override;
const LSTMData* fData;
const Vectorizer* fVectorizer;
U_CAPI const LanguageBreakEngine* U_EXPORT2 CreateLSTMBreakEngine(
UScriptCode script, const LSTMData* data, UErrorCode& status);
U_CAPI const LSTMData* U_EXPORT2 CreateLSTMData(
UResourceBundle* rb, UErrorCode& status);
U_CAPI const LSTMData* U_EXPORT2 CreateLSTMDataForScript(
UScriptCode script, UErrorCode& status);
U_CAPI void U_EXPORT2 DeleteLSTMData(const LSTMData* data);
U_CAPI const UChar* U_EXPORT2 LSTMDataName(const LSTMData* data);
#endif /* LSTMBE_H */