From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- intl/icu/source/i18n/anytrans.h | 131 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 intl/icu/source/i18n/anytrans.h (limited to 'intl/icu/source/i18n/anytrans.h') diff --git a/intl/icu/source/i18n/anytrans.h b/intl/icu/source/i18n/anytrans.h new file mode 100644 index 0000000000..9aa7eef2ce --- /dev/null +++ b/intl/icu/source/i18n/anytrans.h @@ -0,0 +1,131 @@ +// © 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* +*********************************************************************** +* Copyright (c) 2002-2007, International Business Machines Corporation +* and others. All Rights Reserved. +*********************************************************************** +* Date Name Description +* 06/06/2002 aliu Creation. +*********************************************************************** +*/ +#ifndef _ANYTRANS_H_ +#define _ANYTRANS_H_ + +#include "unicode/utypes.h" + +#if !UCONFIG_NO_TRANSLITERATION + +#include "unicode/translit.h" +#include "unicode/uscript.h" +#include "uhash.h" + +U_NAMESPACE_BEGIN + +/** + * A transliterator named Any-T or Any-T/V, where T is the target + * script and V is the optional variant, that uses multiple + * transliterators, all going to T or T/V, all with script sources. + * The target must be a script. It partitions text into runs of the + * same script, and then based on the script of each run, + * transliterates from that script to the given target or + * target/variant. Adjacent COMMON or INHERITED script characters are + * included in each run. + * + * @author Alan Liu + */ +class AnyTransliterator : public Transliterator { + + /** + * Cache mapping UScriptCode values to Transliterator*. + */ + UHashtable* cache; + + /** + * The target or target/variant string. + */ + UnicodeString target; + + /** + * The target script code. Never USCRIPT_INVALID_CODE. + */ + UScriptCode targetScript; + +public: + + /** + * Destructor. + */ + virtual ~AnyTransliterator(); + + /** + * Copy constructor. + */ + AnyTransliterator(const AnyTransliterator&); + + /** + * Transliterator API. + */ + virtual AnyTransliterator* clone() const override; + + /** + * Implements {@link Transliterator#handleTransliterate}. + */ + virtual void handleTransliterate(Replaceable& text, UTransPosition& index, + UBool incremental) const override; + + /** + * ICU "poor man's RTTI", returns a UClassID for the actual class. + */ + virtual UClassID getDynamicClassID() const override; + + /** + * ICU "poor man's RTTI", returns a UClassID for this class. + */ + U_I18N_API static UClassID U_EXPORT2 getStaticClassID(); + +private: + + /** + * Private constructor + * @param id the ID of the form S-T or S-T/V, where T is theTarget + * and V is theVariant. Must not be empty. + * @param theTarget the target name. Must not be empty, and must + * name a script corresponding to theTargetScript. + * @param theVariant the variant name, or the empty string if + * there is no variant + * @param theTargetScript the script code corresponding to + * theTarget. + * @param ec error code, fails if the internal hashtable cannot be + * allocated + */ + AnyTransliterator(const UnicodeString& id, + const UnicodeString& theTarget, + const UnicodeString& theVariant, + UScriptCode theTargetScript, + UErrorCode& ec); + + /** + * Returns a transliterator from the given source to our target or + * target/variant. Returns nullptr if the source is the same as our + * target script, or if the source is USCRIPT_INVALID_CODE. + * Caches the result and returns the same transliterator the next + * time. The caller does NOT own the result and must not delete + * it. + */ + Transliterator* getTransliterator(UScriptCode source) const; + + /** + * Registers standard transliterators with the system. Called by + * Transliterator during initialization. + */ + static void registerIDs(); + + friend class Transliterator; // for registerIDs() +}; + +U_NAMESPACE_END + +#endif /* #if !UCONFIG_NO_TRANSLITERATION */ + +#endif -- cgit v1.2.3