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b64df2bf74
HarfBuzz: Update to version 7.3.0 ICU4C: Update to version 73.1 FreeType: Update to version 2.13.0
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
// © 2021 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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#ifndef LSTMBE_H
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#define LSTMBE_H
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_BREAK_ITERATION
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#include "unicode/uniset.h"
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#include "unicode/ures.h"
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#include "unicode/utext.h"
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#include "unicode/utypes.h"
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#include "brkeng.h"
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#include "dictbe.h"
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#include "uvectr32.h"
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U_NAMESPACE_BEGIN
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class Vectorizer;
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struct LSTMData;
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/*******************************************************************
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* LSTMBreakEngine
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*/
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/**
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* <p>LSTMBreakEngine is a kind of DictionaryBreakEngine that uses a
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* LSTM to determine language-specific breaks.</p>
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*
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* <p>After it is constructed a LSTMBreakEngine may be shared between
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* threads without synchronization.</p>
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*/
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class LSTMBreakEngine : public DictionaryBreakEngine {
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public:
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/**
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* <p>Constructor.</p>
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*/
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LSTMBreakEngine(const LSTMData* data, const UnicodeSet& set, UErrorCode &status);
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/**
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* <p>Virtual destructor.</p>
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*/
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virtual ~LSTMBreakEngine();
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virtual const char16_t* name() const;
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protected:
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/**
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* <p>Divide up a range of known dictionary characters handled by this break engine.</p>
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*
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* @param text A UText representing the text
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* @param rangeStart The start of the range of dictionary characters
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* @param rangeEnd The end of the range of dictionary characters
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* @param foundBreaks Output of C array of int32_t break positions, or 0
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* @param status Information on any errors encountered.
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* @return The number of breaks found
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*/
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virtual int32_t divideUpDictionaryRange(UText *text,
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int32_t rangeStart,
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int32_t rangeEnd,
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UVector32 &foundBreaks,
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UBool isPhraseBreaking,
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UErrorCode& status) const override;
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private:
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const LSTMData* fData;
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const Vectorizer* fVectorizer;
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};
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U_CAPI const LanguageBreakEngine* U_EXPORT2 CreateLSTMBreakEngine(
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UScriptCode script, const LSTMData* data, UErrorCode& status);
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U_CAPI const LSTMData* U_EXPORT2 CreateLSTMData(
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UResourceBundle* rb, UErrorCode& status);
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U_CAPI const LSTMData* U_EXPORT2 CreateLSTMDataForScript(
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UScriptCode script, UErrorCode& status);
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U_CAPI void U_EXPORT2 DeleteLSTMData(const LSTMData* data);
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U_CAPI const char16_t* U_EXPORT2 LSTMDataName(const LSTMData* data);
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U_NAMESPACE_END
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#endif /* #if !UCONFIG_NO_BREAK_ITERATION */
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#endif /* LSTMBE_H */
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