b64df2bf74
HarfBuzz: Update to version 7.3.0 ICU4C: Update to version 73.1 FreeType: Update to version 2.13.0
88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
// © 2021 and later: Unicode, Inc. and others.
|
|
// License & terms of use: http://www.unicode.org/copyright.html
|
|
|
|
#ifndef LSTMBE_H
|
|
#define LSTMBE_H
|
|
|
|
#include "unicode/utypes.h"
|
|
|
|
#if !UCONFIG_NO_BREAK_ITERATION
|
|
|
|
#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"
|
|
|
|
U_NAMESPACE_BEGIN
|
|
|
|
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 {
|
|
public:
|
|
/**
|
|
* <p>Constructor.</p>
|
|
*/
|
|
LSTMBreakEngine(const LSTMData* data, const UnicodeSet& set, UErrorCode &status);
|
|
|
|
/**
|
|
* <p>Virtual destructor.</p>
|
|
*/
|
|
virtual ~LSTMBreakEngine();
|
|
|
|
virtual const char16_t* name() const;
|
|
|
|
protected:
|
|
/**
|
|
* <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;
|
|
private:
|
|
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 char16_t* U_EXPORT2 LSTMDataName(const LSTMData* data);
|
|
|
|
U_NAMESPACE_END
|
|
|
|
#endif /* #if !UCONFIG_NO_BREAK_ITERATION */
|
|
|
|
#endif /* LSTMBE_H */
|