chromium/third_party/icu/source/common/uidna.cpp

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
 *******************************************************************************
 *
 *   Copyright (C) 2003-2014, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
 *   file name:  uidna.cpp
 *   encoding:   UTF-8
 *   tab size:   8 (not used)
 *   indentation:4
 *
 *   created on: 2003feb1
 *   created by: Ram Viswanadha
 */

#include "unicode/utypes.h"

#if !UCONFIG_NO_IDNA

#include "unicode/uidna.h"
#include "unicode/ustring.h"
#include "unicode/usprep.h"
#include "punycode.h"
#include "ustr_imp.h"
#include "cmemory.h"
#include "uassert.h"
#include "sprpimpl.h"

/* it is official IDNA ACE Prefix is "xn--" */
static const char16_t ACE_PREFIX[] = … ;
#define ACE_PREFIX_LENGTH …

#define MAX_LABEL_LENGTH …
/* The Max length of the labels should not be more than MAX_LABEL_LENGTH */
#define MAX_LABEL_BUFFER_SIZE …

#define MAX_DOMAIN_NAME_LENGTH …
/* The Max length of the domain names should not be more than MAX_DOMAIN_NAME_LENGTH */
#define MAX_IDN_BUFFER_SIZE …

#define LOWER_CASE_DELTA …
#define HYPHEN …
#define FULL_STOP …
#define CAPITAL_A …
#define CAPITAL_Z …

inline static char16_t
toASCIILower(char16_t ch){ … }

inline static UBool 
startsWithPrefix(const char16_t* src , int32_t srcLength){ … }


inline static int32_t
compareCaseInsensitiveASCII(const char16_t* s1, int32_t s1Len,
                            const char16_t* s2, int32_t s2Len){ … }


/**
 * Ascertain if the given code point is a label separator as 
 * defined by the IDNA RFC
 * 
 * @param ch The code point to be ascertained
 * @return true if the char is a label separator
 * @stable ICU 2.8
 */
static inline UBool isLabelSeparator(char16_t ch){ … }

// returns the length of the label excluding the separator
// if *limit == separator then the length returned does not include 
// the separtor.
static inline int32_t
getNextSeparator(char16_t *src, int32_t srcLength,
                 char16_t **limit, UBool *done){ … }
static inline UBool isLDHChar(char16_t ch){ … }

static int32_t 
_internal_toASCII(const char16_t* src, int32_t srcLength,
                  char16_t* dest, int32_t destCapacity,
                  int32_t options,
                  UStringPrepProfile* nameprep,
                  UParseError* parseError,
                  UErrorCode* status)
{ … }

static int32_t
_internal_toUnicode(const char16_t* src, int32_t srcLength,
                    char16_t* dest, int32_t destCapacity,
                    int32_t options,
                    UStringPrepProfile* nameprep,
                    UParseError* parseError,
                    UErrorCode* status)
{ … }

U_CAPI int32_t U_EXPORT2
uidna_toASCII(const char16_t* src, int32_t srcLength,
              char16_t* dest, int32_t destCapacity,
              int32_t options,
              UParseError* parseError,
              UErrorCode* status){ … }

U_CAPI int32_t U_EXPORT2
uidna_toUnicode(const char16_t* src, int32_t srcLength,
                char16_t* dest, int32_t destCapacity,
                int32_t options,
                UParseError* parseError,
                UErrorCode* status){ … }


U_CAPI int32_t U_EXPORT2
uidna_IDNToASCII(  const char16_t *src, int32_t srcLength,
                   char16_t* dest, int32_t destCapacity,
                   int32_t options,
                   UParseError *parseError,
                   UErrorCode *status){ … }

U_CAPI int32_t U_EXPORT2
uidna_IDNToUnicode(  const char16_t* src, int32_t srcLength,
                     char16_t* dest, int32_t destCapacity,
                     int32_t options,
                     UParseError* parseError,
                     UErrorCode* status){ … }

U_CAPI int32_t U_EXPORT2
uidna_compare(  const char16_t *s1, int32_t length1,
                const char16_t *s2, int32_t length2,
                int32_t options,
                UErrorCode* status){ … }

#endif /* #if !UCONFIG_NO_IDNA */