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Diffstat (limited to 'deps/node/deps/icu-small/source/common/brkeng.h')
-rw-r--r-- | deps/node/deps/icu-small/source/common/brkeng.h | 271 |
1 files changed, 0 insertions, 271 deletions
diff --git a/deps/node/deps/icu-small/source/common/brkeng.h b/deps/node/deps/icu-small/source/common/brkeng.h deleted file mode 100644 index e40fce13..00000000 --- a/deps/node/deps/icu-small/source/common/brkeng.h +++ /dev/null @@ -1,271 +0,0 @@ -// © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -/** - ************************************************************************************ - * Copyright (C) 2006-2012, International Business Machines Corporation and others. * - * All Rights Reserved. * - ************************************************************************************ - */ - -#ifndef BRKENG_H -#define BRKENG_H - -#include "unicode/utypes.h" -#include "unicode/uobject.h" -#include "unicode/utext.h" -#include "unicode/uscript.h" - -U_NAMESPACE_BEGIN - -class UnicodeSet; -class UStack; -class UVector32; -class DictionaryMatcher; - -/******************************************************************* - * LanguageBreakEngine - */ - -/** - * <p>LanguageBreakEngines implement language-specific knowledge for - * finding text boundaries within a run of characters belonging to a - * specific set. The boundaries will be of a specific kind, e.g. word, - * line, etc.</p> - * - * <p>LanguageBreakEngines should normally be implemented so as to - * be shared between threads without locking.</p> - */ -class LanguageBreakEngine : public UMemory { - public: - - /** - * <p>Default constructor.</p> - * - */ - LanguageBreakEngine(); - - /** - * <p>Virtual destructor.</p> - */ - virtual ~LanguageBreakEngine(); - - /** - * <p>Indicate whether this engine handles a particular character for - * a particular kind of break.</p> - * - * @param c A character which begins a run that the engine might handle - * @return TRUE if this engine handles the particular character and break - * type. - */ - virtual UBool handles(UChar32 c) const = 0; - - /** - * <p>Find any breaks within a run in the supplied text.</p> - * - * @param text A UText representing the text. The - * iterator is left at the end of the run of characters which the engine - * is capable of handling. - * @param startPos The start of the run within the supplied text. - * @param endPos The end of the run within the supplied text. - * @param foundBreaks A Vector of int32_t to receive the breaks. - * @return The number of breaks found. - */ - virtual int32_t findBreaks( UText *text, - int32_t startPos, - int32_t endPos, - UVector32 &foundBreaks ) const = 0; - -}; - -/******************************************************************* - * LanguageBreakFactory - */ - -/** - * <p>LanguageBreakFactorys find and return a LanguageBreakEngine - * that can determine breaks for characters in a specific set, if - * such an object can be found.</p> - * - * <p>If a LanguageBreakFactory is to be shared between threads, - * appropriate synchronization must be used; there is none internal - * to the factory.</p> - * - * <p>A LanguageBreakEngine returned by a LanguageBreakFactory can - * normally be shared between threads without synchronization, unless - * the specific subclass of LanguageBreakFactory indicates otherwise.</p> - * - * <p>A LanguageBreakFactory is responsible for deleting any LanguageBreakEngine - * it returns when it itself is deleted, unless the specific subclass of - * LanguageBreakFactory indicates otherwise. Naturally, the factory should - * not be deleted until the LanguageBreakEngines it has returned are no - * longer needed.</p> - */ -class LanguageBreakFactory : public UMemory { - public: - - /** - * <p>Default constructor.</p> - * - */ - LanguageBreakFactory(); - - /** - * <p>Virtual destructor.</p> - */ - virtual ~LanguageBreakFactory(); - - /** - * <p>Find and return a LanguageBreakEngine that can find the desired - * kind of break for the set of characters to which the supplied - * character belongs. It is up to the set of available engines to - * determine what the sets of characters are.</p> - * - * @param c A character that begins a run for which a LanguageBreakEngine is - * sought. - * @return A LanguageBreakEngine with the desired characteristics, or 0. - */ - virtual const LanguageBreakEngine *getEngineFor(UChar32 c) = 0; - -}; - -/******************************************************************* - * UnhandledEngine - */ - -/** - * <p>UnhandledEngine is a special subclass of LanguageBreakEngine that - * handles characters that no other LanguageBreakEngine is available to - * handle. It is told the character and the type of break; at its - * discretion it may handle more than the specified character (e.g., - * the entire script to which that character belongs.</p> - * - * <p>UnhandledEngines may not be shared between threads without - * external synchronization.</p> - */ - -class UnhandledEngine : public LanguageBreakEngine { - private: - - /** - * The sets of characters handled. - * @internal - */ - - UnicodeSet *fHandled; - - public: - - /** - * <p>Default constructor.</p> - * - */ - UnhandledEngine(UErrorCode &status); - - /** - * <p>Virtual destructor.</p> - */ - virtual ~UnhandledEngine(); - - /** - * <p>Indicate whether this engine handles a particular character for - * a particular kind of break.</p> - * - * @param c A character which begins a run that the engine might handle - * @return TRUE if this engine handles the particular character and break - * type. - */ - virtual UBool handles(UChar32 c) const; - - /** - * <p>Find any breaks within a run in the supplied text.</p> - * - * @param text A UText representing the text (TODO: UText). The - * iterator is left at the end of the run of characters which the engine - * is capable of handling. - * @param startPos The start of the run within the supplied text. - * @param endPos The end of the run within the supplied text. - * @param foundBreaks An allocated C array of the breaks found, if any - * @return The number of breaks found. - */ - virtual int32_t findBreaks( UText *text, - int32_t startPos, - int32_t endPos, - UVector32 &foundBreaks ) const; - - /** - * <p>Tell the engine to handle a particular character and break type.</p> - * - * @param c A character which the engine should handle - */ - virtual void handleCharacter(UChar32 c); - -}; - -/******************************************************************* - * ICULanguageBreakFactory - */ - -/** - * <p>ICULanguageBreakFactory is the default LanguageBreakFactory for - * ICU. It creates dictionary-based LanguageBreakEngines from dictionary - * data in the ICU data file.</p> - */ -class ICULanguageBreakFactory : public LanguageBreakFactory { - private: - - /** - * The stack of break engines created by this factory - * @internal - */ - - UStack *fEngines; - - public: - - /** - * <p>Standard constructor.</p> - * - */ - ICULanguageBreakFactory(UErrorCode &status); - - /** - * <p>Virtual destructor.</p> - */ - virtual ~ICULanguageBreakFactory(); - - /** - * <p>Find and return a LanguageBreakEngine that can find the desired - * kind of break for the set of characters to which the supplied - * character belongs. It is up to the set of available engines to - * determine what the sets of characters are.</p> - * - * @param c A character that begins a run for which a LanguageBreakEngine is - * sought. - * @return A LanguageBreakEngine with the desired characteristics, or 0. - */ - virtual const LanguageBreakEngine *getEngineFor(UChar32 c); - -protected: - /** - * <p>Create a LanguageBreakEngine for the set of characters to which - * the supplied character belongs, for the specified break type.</p> - * - * @param c A character that begins a run for which a LanguageBreakEngine is - * sought. - * @return A LanguageBreakEngine with the desired characteristics, or 0. - */ - virtual const LanguageBreakEngine *loadEngineFor(UChar32 c); - - /** - * <p>Create a DictionaryMatcher for the specified script and break type.</p> - * @param script An ISO 15924 script code that identifies the dictionary to be - * created. - * @return A DictionaryMatcher with the desired characteristics, or NULL. - */ - virtual DictionaryMatcher *loadDictionaryMatcherFor(UScriptCode script); -}; - -U_NAMESPACE_END - - /* BRKENG_H */ -#endif |