1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/i18n/unesctrn.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,110 @@
1.4 +/*
1.5 + **********************************************************************
1.6 + * Copyright (c) 2001-2007, International Business Machines
1.7 + * Corporation and others. All Rights Reserved.
1.8 + **********************************************************************
1.9 + * Date Name Description
1.10 + * 11/20/2001 aliu Creation.
1.11 + **********************************************************************
1.12 + */
1.13 +#ifndef UNESCTRN_H
1.14 +#define UNESCTRN_H
1.15 +
1.16 +#include "unicode/utypes.h"
1.17 +
1.18 +#if !UCONFIG_NO_TRANSLITERATION
1.19 +
1.20 +#include "unicode/translit.h"
1.21 +
1.22 +U_NAMESPACE_BEGIN
1.23 +
1.24 +/**
1.25 + * A transliterator that converts Unicode escape forms to the
1.26 + * characters they represent. Escape forms have a prefix, a suffix, a
1.27 + * radix, and minimum and maximum digit counts.
1.28 + *
1.29 + * <p>This class is package private. It registers several standard
1.30 + * variants with the system which are then accessed via their IDs.
1.31 + *
1.32 + * @author Alan Liu
1.33 + */
1.34 +class UnescapeTransliterator : public Transliterator {
1.35 +
1.36 + private:
1.37 +
1.38 + /**
1.39 + * The encoded pattern specification. The pattern consists of
1.40 + * zero or more forms. Each form consists of a prefix, suffix,
1.41 + * radix, minimum digit count, and maximum digit count. These
1.42 + * values are stored as a five character header. That is, their
1.43 + * numeric values are cast to 16-bit characters and stored in the
1.44 + * string. Following these five characters, the prefix
1.45 + * characters, then suffix characters are stored. Each form thus
1.46 + * takes n+5 characters, where n is the total length of the prefix
1.47 + * and suffix. The end is marked by a header of length one
1.48 + * consisting of the character END.
1.49 + */
1.50 + UChar* spec; // owned; may not be NULL
1.51 +
1.52 + public:
1.53 +
1.54 + /**
1.55 + * Registers standard variants with the system. Called by
1.56 + * Transliterator during initialization.
1.57 + */
1.58 + static void registerIDs();
1.59 +
1.60 + /**
1.61 + * Constructor. Takes the encoded spec array (does not adopt it).
1.62 + * @param ID the string identifier for this transliterator
1.63 + * @param spec the encoded spec array
1.64 + */
1.65 + UnescapeTransliterator(const UnicodeString& ID,
1.66 + const UChar *spec);
1.67 +
1.68 + /**
1.69 + * Copy constructor.
1.70 + */
1.71 + UnescapeTransliterator(const UnescapeTransliterator&);
1.72 +
1.73 + /**
1.74 + * Destructor.
1.75 + */
1.76 + virtual ~UnescapeTransliterator();
1.77 +
1.78 + /**
1.79 + * Transliterator API.
1.80 + */
1.81 + virtual Transliterator* clone() const;
1.82 +
1.83 + /**
1.84 + * ICU "poor man's RTTI", returns a UClassID for the actual class.
1.85 + */
1.86 + virtual UClassID getDynamicClassID() const;
1.87 +
1.88 + /**
1.89 + * ICU "poor man's RTTI", returns a UClassID for this class.
1.90 + */
1.91 + U_I18N_API static UClassID U_EXPORT2 getStaticClassID();
1.92 +
1.93 + protected:
1.94 +
1.95 + /**
1.96 + * Implements {@link Transliterator#handleTransliterate}.
1.97 + * @param text the buffer holding transliterated and
1.98 + * untransliterated text
1.99 + * @param offset the start and limit of the text, the position
1.100 + * of the cursor, and the start and limit of transliteration.
1.101 + * @param incremental if true, assume more text may be coming after
1.102 + * pos.contextLimit. Otherwise, assume the text is complete.
1.103 + */
1.104 + virtual void handleTransliterate(Replaceable& text, UTransPosition& offset,
1.105 + UBool isIncremental) const;
1.106 +
1.107 +};
1.108 +
1.109 +U_NAMESPACE_END
1.110 +
1.111 +#endif /* #if !UCONFIG_NO_TRANSLITERATION */
1.112 +
1.113 +#endif
