| /* |
| ********************************************************************** |
| * Copyright (c) 2001, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| ********************************************************************** |
| * Date Name Description |
| * 11/20/2001 aliu Creation. |
| ********************************************************************** |
| */ |
| #ifndef UNESCTRN_H |
| #define UNESCTRN_H |
| |
| #include "unicode/translit.h" |
| |
| U_NAMESPACE_BEGIN |
| |
| /** |
| * A transliterator that converts Unicode escape forms to the |
| * characters they represent. Escape forms have a prefix, a suffix, a |
| * radix, and minimum and maximum digit counts. |
| * |
| * <p>This class is package private. It registers several standard |
| * variants with the system which are then accessed via their IDs. |
| * |
| * @author Alan Liu |
| * @version $RCSfile: unesctrn.h,v $ $Revision: 1.1 $ $Date: 2001/11/21 07:02:15 $ |
| */ |
| class U_I18N_API UnescapeTransliterator : public Transliterator { |
| |
| private: |
| |
| /** |
| * The encoded pattern specification. The pattern consists of |
| * zero or more forms. Each form consists of a prefix, suffix, |
| * radix, minimum digit count, and maximum digit count. These |
| * values are stored as a five character header. That is, their |
| * numeric values are cast to 16-bit characters and stored in the |
| * string. Following these five characters, the prefix |
| * characters, then suffix characters are stored. Each form thus |
| * takes n+5 characters, where n is the total length of the prefix |
| * and suffix. The end is marked by a header of length one |
| * consisting of the character END. |
| */ |
| UChar* spec; // owned; may not be NULL |
| |
| public: |
| |
| /** |
| * Registers standard variants with the system. Called by |
| * Transliterator during initialization. |
| */ |
| static void registerIDs(); |
| |
| /** |
| * Constructor. Takes the encoded spec array (does not adopt it). |
| */ |
| UnescapeTransliterator(const UnicodeString& ID, |
| const UChar *spec); |
| |
| /** |
| * Copy constructor. |
| */ |
| UnescapeTransliterator(const UnescapeTransliterator&); |
| |
| /** |
| * Destructor. |
| */ |
| virtual ~UnescapeTransliterator(); |
| |
| /** |
| * Transliterator API. |
| */ |
| virtual Transliterator* clone() const; |
| |
| protected: |
| |
| /** |
| * Implements {@link Transliterator#handleTransliterate}. |
| */ |
| void handleTransliterate(Replaceable& text, UTransPosition& offset, |
| UBool isIncremental) const; |
| |
| private: |
| |
| /** |
| * Factory methods |
| */ |
| static Transliterator* _createUnicode(const UnicodeString& ID, Token context); |
| static Transliterator* _createJava(const UnicodeString& ID, Token context); |
| static Transliterator* _createC(const UnicodeString& ID, Token context); |
| static Transliterator* _createXML(const UnicodeString& ID, Token context); |
| static Transliterator* _createXML10(const UnicodeString& ID, Token context); |
| static Transliterator* _createPerl(const UnicodeString& ID, Token context); |
| static Transliterator* _createAny(const UnicodeString& ID, Token context); |
| |
| static UChar* copySpec(const UChar* spec); |
| }; |
| |
| U_NAMESPACE_END |
| |
| #endif |