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/*
* The authors of this software are Rob Pike and Ken Thompson.
* Copyright (c) 2002 by Lucent Technologies.
* Permission to use, copy, modify, and distribute this software for any
* purpose without fee is hereby granted, provided that this entire notice
* is included in all copies of any software which is or includes a copy
* or modification of this software and in all copies of the supporting
* documentation for such software.
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
* OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
*
* This file and rune.cc have been converted to compile as C++ code
* in name space re2.
*/
#ifndef UTIL_UTF_H_
#define UTIL_UTF_H_
#include <stdint.h>
namespace re2 {
typedef signed int Rune; /* Code-point values in Unicode 4.0 are 21 bits wide.*/
enum
{
UTFmax = 4, /* maximum bytes per rune */
Runesync = 0x80, /* cannot represent part of a UTF sequence (<) */
Runeself = 0x80, /* rune and UTF sequences are the same (<) */
Runeerror = 0xFFFD, /* decoding error in UTF */
Runemax = 0x10FFFF, /* maximum rune value */
};
int runetochar(char* s, const Rune* r);
int chartorune(Rune* r, const char* s);
int fullrune(const char* s, int n);
int utflen(const char* s);
char* utfrune(const char*, Rune);
} // namespace re2
#endif // UTIL_UTF_H_
Version data entries
101 entries across 101 versions & 3 rubygems