Node.js v11.13.0

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+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+**********************************************************************
+*   Copyright (C) 1999-2007, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+**********************************************************************
+*   Date        Name        Description
+*   11/17/99    aliu        Creation.
+**********************************************************************
+*/
+#ifndef RBT_H
+#define RBT_H
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_TRANSLITERATION
+
+#include "unicode/translit.h"
+#include "unicode/utypes.h"
+#include "unicode/parseerr.h"
+#include "unicode/udata.h"
+
+#define U_ICUDATA_TRANSLIT U_ICUDATA_NAME U_TREE_SEPARATOR_STRING "translit"
+
+U_NAMESPACE_BEGIN
+
+class TransliterationRuleData;
+
+/**
+ * <code>RuleBasedTransliterator</code> is a transliterator
+ * built from a set of rules as defined for
+ * Transliterator::createFromRules().
+ * See the C++ class Transliterator documentation for the rule syntax.
+ *
+ * @author Alan Liu
+ * @internal Use transliterator factory methods instead since this class will be removed in that release.
+ */
+class RuleBasedTransliterator : public Transliterator {
+private:
+    /**
+     * The data object is immutable, so we can freely share it with
+     * other instances of RBT, as long as we do NOT own this object.
+     *  TODO:  data is no longer immutable.  See bugs #1866, 2155
+     */
+    TransliterationRuleData* fData;
+
+    /**
+     * If true, we own the data object and must delete it.
+     */
+    UBool isDataOwned;
+
+public:
+
+    /**
+     * Constructs a new transliterator from the given rules.
+     * @param rules rules, separated by ';'
+     * @param direction either FORWARD or REVERSE.
+     * @exception IllegalArgumentException if rules are malformed.
+     * @internal Use transliterator factory methods instead since this class will be removed in that release.
+     */
+    RuleBasedTransliterator(const UnicodeString& id,
+                            const UnicodeString& rules,
+                            UTransDirection direction,
+                            UnicodeFilter* adoptedFilter,
+                            UParseError& parseError,
+                            UErrorCode& status);
+
+    /**
+     * Constructs a new transliterator from the given rules.
+     * @param rules rules, separated by ';'
+     * @param direction either FORWARD or REVERSE.
+     * @exception IllegalArgumentException if rules are malformed.
+     * @internal Use transliterator factory methods instead since this class will be removed in that release.
+     */
+    /*RuleBasedTransliterator(const UnicodeString& id,
+                            const UnicodeString& rules,
+                            UTransDirection direction,
+                            UnicodeFilter* adoptedFilter,
+                            UErrorCode& status);*/
+
+    /**
+     * Covenience constructor with no filter.
+     * @internal Use transliterator factory methods instead since this class will be removed in that release.
+     */
+    /*RuleBasedTransliterator(const UnicodeString& id,
+                            const UnicodeString& rules,
+                            UTransDirection direction,
+                            UErrorCode& status);*/
+
+    /**
+     * Covenience constructor with no filter and FORWARD direction.
+     * @internal Use transliterator factory methods instead since this class will be removed in that release.
+     */
+    /*RuleBasedTransliterator(const UnicodeString& id,
+                            const UnicodeString& rules,
+                            UErrorCode& status);*/
+
+    /**
+     * Covenience constructor with FORWARD direction.
+     * @internal Use transliterator factory methods instead since this class will be removed in that release.
+     */
+    /*RuleBasedTransliterator(const UnicodeString& id,
+                            const UnicodeString& rules,
+                            UnicodeFilter* adoptedFilter,
+                            UErrorCode& status);*/
+private:
+
+     friend class TransliteratorRegistry; // to access TransliterationRuleData convenience ctor
+    /**
+     * Covenience constructor.
+     * @param id            the id for the transliterator.
+     * @param theData       the rule data for the transliterator.
+     * @param adoptedFilter the filter for the transliterator
+     */
+    RuleBasedTransliterator(const UnicodeString& id,
+                            const TransliterationRuleData* theData,
+                            UnicodeFilter* adoptedFilter = 0);
+
+
+    friend class Transliterator; // to access following ct
+
+    /**
+     * Internal constructor.
+     * @param id            the id for the transliterator.
+     * @param theData       the rule data for the transliterator.
+     * @param isDataAdopted determine who will own the 'data' object. True, the caller should not delete 'data'.
+     */
+    RuleBasedTransliterator(const UnicodeString& id,
+                            TransliterationRuleData* data,
+                            UBool isDataAdopted);
+
+public:
+
+    /**
+     * Copy constructor.
+     * @internal Use transliterator factory methods instead since this class will be removed in that release.
+     */
+    RuleBasedTransliterator(const RuleBasedTransliterator&);
+
+    virtual ~RuleBasedTransliterator();
+
+    /**
+     * Implement Transliterator API.
+     * @internal Use transliterator factory methods instead since this class will be removed in that release.
+     */
+    virtual Transliterator* clone(void) const;
+
+protected:
+    /**
+     * Implements {@link Transliterator#handleTransliterate}.
+     * @internal Use transliterator factory methods instead since this class will be removed in that release.
+     */
+    virtual void handleTransliterate(Replaceable& text, UTransPosition& offsets,
+                                     UBool isIncremental) const;
+
+public:
+    /**
+     * Return a representation of this transliterator as source rules.
+     * These rules will produce an equivalent transliterator if used
+     * to construct a new transliterator.
+     * @param result the string to receive the rules.  Previous
+     * contents will be deleted.
+     * @param escapeUnprintable if TRUE then convert unprintable
+     * character to their hex escape representations, \uxxxx or
+     * \Uxxxxxxxx.  Unprintable characters are those other than
+     * U+000A, U+0020..U+007E.
+     * @internal Use transliterator factory methods instead since this class will be removed in that release.
+     */
+    virtual UnicodeString& toRules(UnicodeString& result,
+                                   UBool escapeUnprintable) const;
+
+protected:
+    /**
+     * Implement Transliterator framework
+     */
+    virtual void handleGetSourceSet(UnicodeSet& result) const;
+
+public:
+    /**
+     * Override Transliterator framework
+     */
+    virtual UnicodeSet& getTargetSet(UnicodeSet& result) const;
+
+    /**
+     * Return the class ID for this class.  This is useful only for
+     * comparing to a return value from getDynamicClassID().  For example:
+     * <pre>
+     * .      Base* polymorphic_pointer = createPolymorphicObject();
+     * .      if (polymorphic_pointer->getDynamicClassID() ==
+     * .          Derived::getStaticClassID()) ...
+     * </pre>
+     * @return          The class ID for all objects of this class.
+     * @internal Use transliterator factory methods instead since this class will be removed in that release.
+     */
+    U_I18N_API static UClassID U_EXPORT2 getStaticClassID(void);
+
+    /**
+     * Returns a unique class ID <b>polymorphically</b>.  This method
+     * is to implement a simple version of RTTI, since not all C++
+     * compilers support genuine RTTI.  Polymorphic operator==() and
+     * clone() methods call this method.
+     *
+     * @return The class ID for this object. All objects of a given
+     * class have the same class ID.  Objects of other classes have
+     * different class IDs.
+     */
+    virtual UClassID getDynamicClassID(void) const;
+
+private:
+
+    void _construct(const UnicodeString& rules,
+                    UTransDirection direction,
+                    UParseError& parseError,
+                    UErrorCode& status);
+};
+
+
+U_NAMESPACE_END
+
+#endif /* #if !UCONFIG_NO_TRANSLITERATION */
+
+#endif