ICU 74.1 74.1
Data Structures | Namespaces | Macros
unifilt.h File Reference

C++ API: Unicode Filter. More...

#include "unicode/utypes.h"
#include "unicode/unifunct.h"
#include "unicode/unimatch.h"

Go to the source code of this file.

Data Structures

class  icu::UnicodeFilter
 UnicodeFilter defines a protocol for selecting a subset of the full range (U+0000 to U+10FFFF) of Unicode characters. More...
 

Namespaces

namespace  icu
 File coll.h.
 

Macros

#define U_ETHER   ((char16_t)0xFFFF)
 U_ETHER is used to represent character values for positions outside a range. More...
 

Detailed Description

C++ API: Unicode Filter.

Definition in file unifilt.h.

Macro Definition Documentation

◆ U_ETHER

#define U_ETHER   ((char16_t)0xFFFF)

U_ETHER is used to represent character values for positions outside a range.

For example, transliterator uses this to represent characters outside the range contextStart..contextLimit-1. This allows explicit matching by rules and UnicodeSets of text outside a defined range.

Stable:
ICU 3.0

Definition at line 37 of file unifilt.h.