116 lines
4.1 KiB
C
116 lines
4.1 KiB
C
|
/*
|
||
|
|
*******************************************************************************
|
||
|
|
*
|
||
|
|
* Copyright (C) 2002, International Business Machines
|
||
|
|
* Corporation and others. All Rights Reserved.
|
||
|
|
*
|
||
|
|
*******************************************************************************
|
||
|
|
* file name: punycode.h
|
||
|
|
* encoding: US-ASCII
|
||
|
|
* tab size: 8 (not used)
|
||
|
|
* indentation:4
|
||
|
|
*
|
||
|
|
* created on: 2002jan31
|
||
|
|
* created by: Markus W. Scherer
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* This ICU code derived from: */
|
||
|
|
/*
|
||
|
|
punycode.c 0.4.0 (2001-Nov-17-Sat)
|
||
|
|
http://www.cs.berkeley.edu/~amc/idn/
|
||
|
|
Adam M. Costello
|
||
|
|
http://www.nicemice.net/amc/
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __PUNYCODE_H__
|
||
|
|
#define __PUNYCODE_H__
|
||
|
|
|
||
|
|
#include "unicode/utypes.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* u_strToPunycode() converts Unicode to Punycode.
|
||
|
|
*
|
||
|
|
* The input string must not contain single, unpaired surrogates.
|
||
|
|
* The output will be represented as an array of ASCII code points.
|
||
|
|
*
|
||
|
|
* The output string is NUL-terminated according to normal ICU
|
||
|
|
* string output rules.
|
||
|
|
*
|
||
|
|
* @param src Input Unicode string.
|
||
|
|
* This function handles a limited amount of code points
|
||
|
|
* (the limit is >=64).
|
||
|
|
* U_INDEX_OUTOFBOUNDS_ERROR is set if the limit is exceeded.
|
||
|
|
* @param srcLength Number of UChars in src, or -1 if NUL-terminated.
|
||
|
|
* @param dest Output Punycode array.
|
||
|
|
* @param destCapacity Size of dest.
|
||
|
|
* @param caseFlags Vector of boolean values, one per input UChar,
|
||
|
|
* indicating that the corresponding character is to be
|
||
|
|
* marked for the decoder optionally
|
||
|
|
* uppercasing (TRUE) or lowercasing (FALSE)
|
||
|
|
* the character.
|
||
|
|
* ASCII characters are output directly in the case as marked.
|
||
|
|
* Flags corresponding to trail surrogates are ignored.
|
||
|
|
* If caseFlags==NULL then input characters are not
|
||
|
|
* case-mapped.
|
||
|
|
* @param pErrorCode ICU in/out error code parameter.
|
||
|
|
* U_INVALID_CHAR_FOUND if src contains
|
||
|
|
* unmatched single surrogates.
|
||
|
|
* U_INDEX_OUTOFBOUNDS_ERROR if src contains
|
||
|
|
* too many code points.
|
||
|
|
* @return Number of ASCII characters in puny.
|
||
|
|
*
|
||
|
|
* @see u_strFromPunycode
|
||
|
|
*/
|
||
|
|
U_CFUNC int32_t
|
||
|
|
u_strToPunycode(const UChar *src, int32_t srcLength,
|
||
|
|
UChar *dest, int32_t destCapacity,
|
||
|
|
const UBool *caseFlags,
|
||
|
|
UErrorCode *pErrorCode);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* u_strFromPunycode() converts Punycode to Unicode.
|
||
|
|
* The Unicode string will be at most as long (in UChars)
|
||
|
|
* than the Punycode string (in chars).
|
||
|
|
*
|
||
|
|
* @param src Input Punycode string.
|
||
|
|
* @param srcLength Length of puny, or -1 if NUL-terminated
|
||
|
|
* @param dest Output Unicode string buffer.
|
||
|
|
* @param destCapacity Size of dest in number of UChars,
|
||
|
|
* and of caseFlags in numbers of UBools.
|
||
|
|
* @param caseFlags Output array for case flags as
|
||
|
|
* defined by the Punycode string.
|
||
|
|
* The caller should uppercase (TRUE) or lowercase (FASLE)
|
||
|
|
* the corresponding character in dest.
|
||
|
|
* For supplementary characters, only the lead surrogate
|
||
|
|
* is marked, and FALSE is stored for the trail surrogate.
|
||
|
|
* This is redundant and not necessary for ASCII characters
|
||
|
|
* because they are already in the case indicated.
|
||
|
|
* Can be NULL if the case flags are not needed.
|
||
|
|
* @param pErrorCode ICU in/out error code parameter.
|
||
|
|
* U_INVALID_CHAR_FOUND if a non-ASCII character
|
||
|
|
* precedes the last delimiter ('-'),
|
||
|
|
* or if an invalid character (not a-zA-Z0-9) is found
|
||
|
|
* after the last delimiter.
|
||
|
|
* U_ILLEGAL_CHAR_FOUND if the delta sequence is ill-formed.
|
||
|
|
* @return Number of UChars written to dest.
|
||
|
|
*
|
||
|
|
* @see u_strToPunycode
|
||
|
|
*/
|
||
|
|
U_CFUNC int32_t
|
||
|
|
u_strFromPunycode(const UChar *src, int32_t srcLength,
|
||
|
|
UChar *dest, int32_t destCapacity,
|
||
|
|
UBool *caseFlags,
|
||
|
|
UErrorCode *pErrorCode);
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Hey, Emacs, please set the following:
|
||
|
|
*
|
||
|
|
* Local Variables:
|
||
|
|
* indent-tabs-mode: nil
|
||
|
|
* End:
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|