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Diffstat (limited to 'deps/node/deps/icu-small/source/common/unicode/idna.h')
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diff --git a/deps/node/deps/icu-small/source/common/unicode/idna.h b/deps/node/deps/icu-small/source/common/unicode/idna.h deleted file mode 100644 index f08658e5..00000000 --- a/deps/node/deps/icu-small/source/common/unicode/idna.h +++ /dev/null @@ -1,325 +0,0 @@ -// © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -/* -******************************************************************************* -* Copyright (C) 2010-2012, International Business Machines -* Corporation and others. All Rights Reserved. -******************************************************************************* -* file name: idna.h -* encoding: UTF-8 -* tab size: 8 (not used) -* indentation:4 -* -* created on: 2010mar05 -* created by: Markus W. Scherer -*/ - -#ifndef __IDNA_H__ -#define __IDNA_H__ - -/** - * \file - * \brief C++ API: Internationalizing Domain Names in Applications (IDNA) - */ - -#include "unicode/utypes.h" - -#if !UCONFIG_NO_IDNA - -#include "unicode/bytestream.h" -#include "unicode/stringpiece.h" -#include "unicode/uidna.h" -#include "unicode/unistr.h" - -U_NAMESPACE_BEGIN - -class IDNAInfo; - -/** - * Abstract base class for IDNA processing. - * See http://www.unicode.org/reports/tr46/ - * and http://www.ietf.org/rfc/rfc3490.txt - * - * The IDNA class is not intended for public subclassing. - * - * This C++ API currently only implements UTS #46. - * The uidna.h C API implements both UTS #46 (functions using UIDNA service object) - * and IDNA2003 (functions that do not use a service object). - * @stable ICU 4.6 - */ -class U_COMMON_API IDNA : public UObject { -public: - /** - * Destructor. - * @stable ICU 4.6 - */ - ~IDNA(); - - /** - * Returns an IDNA instance which implements UTS #46. - * Returns an unmodifiable instance, owned by the caller. - * Cache it for multiple operations, and delete it when done. - * The instance is thread-safe, that is, it can be used concurrently. - * - * UTS #46 defines Unicode IDNA Compatibility Processing, - * updated to the latest version of Unicode and compatible with both - * IDNA2003 and IDNA2008. - * - * The worker functions use transitional processing, including deviation mappings, - * unless UIDNA_NONTRANSITIONAL_TO_ASCII or UIDNA_NONTRANSITIONAL_TO_UNICODE - * is used in which case the deviation characters are passed through without change. - * - * Disallowed characters are mapped to U+FFFD. - * - * For available options see the uidna.h header. - * Operations with the UTS #46 instance do not support the - * UIDNA_ALLOW_UNASSIGNED option. - * - * By default, the UTS #46 implementation allows all ASCII characters (as valid or mapped). - * When the UIDNA_USE_STD3_RULES option is used, ASCII characters other than - * letters, digits, hyphen (LDH) and dot/full stop are disallowed and mapped to U+FFFD. - * - * @param options Bit set to modify the processing and error checking. - * See option bit set values in uidna.h. - * @param errorCode Standard ICU error code. Its input value must - * pass the U_SUCCESS() test, or else the function returns - * immediately. Check for U_FAILURE() on output or use with - * function chaining. (See User Guide for details.) - * @return the UTS #46 IDNA instance, if successful - * @stable ICU 4.6 - */ - static IDNA * - createUTS46Instance(uint32_t options, UErrorCode &errorCode); - - /** - * Converts a single domain name label into its ASCII form for DNS lookup. - * If any processing step fails, then info.hasErrors() will be TRUE and - * the result might not be an ASCII string. - * The label might be modified according to the types of errors. - * Labels with severe errors will be left in (or turned into) their Unicode form. - * - * The UErrorCode indicates an error only in exceptional cases, - * such as a U_MEMORY_ALLOCATION_ERROR. - * - * @param label Input domain name label - * @param dest Destination string object - * @param info Output container of IDNA processing details. - * @param errorCode Standard ICU error code. Its input value must - * pass the U_SUCCESS() test, or else the function returns - * immediately. Check for U_FAILURE() on output or use with - * function chaining. (See User Guide for details.) - * @return dest - * @stable ICU 4.6 - */ - virtual UnicodeString & - labelToASCII(const UnicodeString &label, UnicodeString &dest, - IDNAInfo &info, UErrorCode &errorCode) const = 0; - - /** - * Converts a single domain name label into its Unicode form for human-readable display. - * If any processing step fails, then info.hasErrors() will be TRUE. - * The label might be modified according to the types of errors. - * - * The UErrorCode indicates an error only in exceptional cases, - * such as a U_MEMORY_ALLOCATION_ERROR. - * - * @param label Input domain name label - * @param dest Destination string object - * @param info Output container of IDNA processing details. - * @param errorCode Standard ICU error code. Its input value must - * pass the U_SUCCESS() test, or else the function returns - * immediately. Check for U_FAILURE() on output or use with - * function chaining. (See User Guide for details.) - * @return dest - * @stable ICU 4.6 - */ - virtual UnicodeString & - labelToUnicode(const UnicodeString &label, UnicodeString &dest, - IDNAInfo &info, UErrorCode &errorCode) const = 0; - - /** - * Converts a whole domain name into its ASCII form for DNS lookup. - * If any processing step fails, then info.hasErrors() will be TRUE and - * the result might not be an ASCII string. - * The domain name might be modified according to the types of errors. - * Labels with severe errors will be left in (or turned into) their Unicode form. - * - * The UErrorCode indicates an error only in exceptional cases, - * such as a U_MEMORY_ALLOCATION_ERROR. - * - * @param name Input domain name - * @param dest Destination string object - * @param info Output container of IDNA processing details. - * @param errorCode Standard ICU error code. Its input value must - * pass the U_SUCCESS() test, or else the function returns - * immediately. Check for U_FAILURE() on output or use with - * function chaining. (See User Guide for details.) - * @return dest - * @stable ICU 4.6 - */ - virtual UnicodeString & - nameToASCII(const UnicodeString &name, UnicodeString &dest, - IDNAInfo &info, UErrorCode &errorCode) const = 0; - - /** - * Converts a whole domain name into its Unicode form for human-readable display. - * If any processing step fails, then info.hasErrors() will be TRUE. - * The domain name might be modified according to the types of errors. - * - * The UErrorCode indicates an error only in exceptional cases, - * such as a U_MEMORY_ALLOCATION_ERROR. - * - * @param name Input domain name - * @param dest Destination string object - * @param info Output container of IDNA processing details. - * @param errorCode Standard ICU error code. Its input value must - * pass the U_SUCCESS() test, or else the function returns - * immediately. Check for U_FAILURE() on output or use with - * function chaining. (See User Guide for details.) - * @return dest - * @stable ICU 4.6 - */ - virtual UnicodeString & - nameToUnicode(const UnicodeString &name, UnicodeString &dest, - IDNAInfo &info, UErrorCode &errorCode) const = 0; - - // UTF-8 versions of the processing methods ---------------------------- *** - - /** - * Converts a single domain name label into its ASCII form for DNS lookup. - * UTF-8 version of labelToASCII(), same behavior. - * - * @param label Input domain name label - * @param dest Destination byte sink; Flush()ed if successful - * @param info Output container of IDNA processing details. - * @param errorCode Standard ICU error code. Its input value must - * pass the U_SUCCESS() test, or else the function returns - * immediately. Check for U_FAILURE() on output or use with - * function chaining. (See User Guide for details.) - * @return dest - * @stable ICU 4.6 - */ - virtual void - labelToASCII_UTF8(StringPiece label, ByteSink &dest, - IDNAInfo &info, UErrorCode &errorCode) const; - - /** - * Converts a single domain name label into its Unicode form for human-readable display. - * UTF-8 version of labelToUnicode(), same behavior. - * - * @param label Input domain name label - * @param dest Destination byte sink; Flush()ed if successful - * @param info Output container of IDNA processing details. - * @param errorCode Standard ICU error code. Its input value must - * pass the U_SUCCESS() test, or else the function returns - * immediately. Check for U_FAILURE() on output or use with - * function chaining. (See User Guide for details.) - * @return dest - * @stable ICU 4.6 - */ - virtual void - labelToUnicodeUTF8(StringPiece label, ByteSink &dest, - IDNAInfo &info, UErrorCode &errorCode) const; - - /** - * Converts a whole domain name into its ASCII form for DNS lookup. - * UTF-8 version of nameToASCII(), same behavior. - * - * @param name Input domain name - * @param dest Destination byte sink; Flush()ed if successful - * @param info Output container of IDNA processing details. - * @param errorCode Standard ICU error code. Its input value must - * pass the U_SUCCESS() test, or else the function returns - * immediately. Check for U_FAILURE() on output or use with - * function chaining. (See User Guide for details.) - * @return dest - * @stable ICU 4.6 - */ - virtual void - nameToASCII_UTF8(StringPiece name, ByteSink &dest, - IDNAInfo &info, UErrorCode &errorCode) const; - - /** - * Converts a whole domain name into its Unicode form for human-readable display. - * UTF-8 version of nameToUnicode(), same behavior. - * - * @param name Input domain name - * @param dest Destination byte sink; Flush()ed if successful - * @param info Output container of IDNA processing details. - * @param errorCode Standard ICU error code. Its input value must - * pass the U_SUCCESS() test, or else the function returns - * immediately. Check for U_FAILURE() on output or use with - * function chaining. (See User Guide for details.) - * @return dest - * @stable ICU 4.6 - */ - virtual void - nameToUnicodeUTF8(StringPiece name, ByteSink &dest, - IDNAInfo &info, UErrorCode &errorCode) const; -}; - -class UTS46; - -/** - * Output container for IDNA processing errors. - * The IDNAInfo class is not suitable for subclassing. - * @stable ICU 4.6 - */ -class U_COMMON_API IDNAInfo : public UMemory { -public: - /** - * Constructor for stack allocation. - * @stable ICU 4.6 - */ - IDNAInfo() : errors(0), labelErrors(0), isTransDiff(FALSE), isBiDi(FALSE), isOkBiDi(TRUE) {} - /** - * Were there IDNA processing errors? - * @return TRUE if there were processing errors - * @stable ICU 4.6 - */ - UBool hasErrors() const { return errors!=0; } - /** - * Returns a bit set indicating IDNA processing errors. - * See UIDNA_ERROR_... constants in uidna.h. - * @return bit set of processing errors - * @stable ICU 4.6 - */ - uint32_t getErrors() const { return errors; } - /** - * Returns TRUE if transitional and nontransitional processing produce different results. - * This is the case when the input label or domain name contains - * one or more deviation characters outside a Punycode label (see UTS #46). - * <ul> - * <li>With nontransitional processing, such characters are - * copied to the destination string. - * <li>With transitional processing, such characters are - * mapped (sharp s/sigma) or removed (joiner/nonjoiner). - * </ul> - * @return TRUE if transitional and nontransitional processing produce different results - * @stable ICU 4.6 - */ - UBool isTransitionalDifferent() const { return isTransDiff; } - -private: - friend class UTS46; - - IDNAInfo(const IDNAInfo &other); // no copying - IDNAInfo &operator=(const IDNAInfo &other); // no copying - - void reset() { - errors=labelErrors=0; - isTransDiff=FALSE; - isBiDi=FALSE; - isOkBiDi=TRUE; - } - - uint32_t errors, labelErrors; - UBool isTransDiff; - UBool isBiDi; - UBool isOkBiDi; -}; - -U_NAMESPACE_END - -#endif // UCONFIG_NO_IDNA -#endif // __IDNA_H__ |