Check in the pristine copy of ICU 4.6...

icu46/source/i18n/unesctrn.h

Index: icu46/source/i18n/unesctrn.h
===================================================================
--- icu46/source/i18n/unesctrn.h	(revision 0)
+++ icu46/source/i18n/unesctrn.h	(revision 0)
@@ -0,0 +1,110 @@
+/*
+ **********************************************************************
+ *   Copyright (c) 2001-2007, 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/utypes.h"
+
+#if !UCONFIG_NO_TRANSLITERATION
+
+#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
+ */
+class 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).
+     * @param ID   the string identifier for this transliterator
+     * @param spec the encoded spec array
+     */
+    UnescapeTransliterator(const UnicodeString& ID,
+                           const UChar *spec);
+
+    /**
+     * Copy constructor.
+     */
+    UnescapeTransliterator(const UnescapeTransliterator&);
+
+    /**
+     * Destructor.
+     */
+    virtual ~UnescapeTransliterator();
+
+    /**
+     * Transliterator API.
+     */
+    virtual Transliterator* clone() const;
+
+    /**
+     * ICU "poor man's RTTI", returns a UClassID for the actual class.
+     */
+    virtual UClassID getDynamicClassID() const;
+
+    /**
+     * ICU "poor man's RTTI", returns a UClassID for this class.
+     */
+    U_I18N_API static UClassID U_EXPORT2 getStaticClassID();
+
+ protected:
+
+    /**
+     * Implements {@link Transliterator#handleTransliterate}.
+     * @param text        the buffer holding transliterated and
+     *                    untransliterated text
+     * @param offset      the start and limit of the text, the position
+     *                    of the cursor, and the start and limit of transliteration.
+     * @param incremental if true, assume more text may be coming after
+     *                    pos.contextLimit.  Otherwise, assume the text is complete.
+     */
+    virtual void handleTransliterate(Replaceable& text, UTransPosition& offset,
+                             UBool isIncremental) const;
+
+};
+
+U_NAMESPACE_END
+
+#endif /* #if !UCONFIG_NO_TRANSLITERATION */
+
+#endif
Property changes on: icu46/source/i18n/unesctrn.h
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Added: svn:eol-style
   + LF