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// Copyright (C) 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
* Copyright (C) 1999-2006, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
*
*
* ucnv_io.h:
* defines variables and functions pertaining to converter name resolution
* aspect of the conversion code
*/
#ifndef UCNV_IO_H
#define UCNV_IO_H
#include "unicode/utypes.h"
#if !UCONFIG_NO_CONVERSION
#include "udataswp.h"
#define UCNV_AMBIGUOUS_ALIAS_MAP_BIT 0x8000
#define UCNV_CONTAINS_OPTION_BIT 0x4000
#define UCNV_CONVERTER_INDEX_MASK 0xFFF
#define UCNV_NUM_RESERVED_TAGS 2
#define UCNV_NUM_HIDDEN_TAGS 1
enum {
UCNV_IO_UNNORMALIZED,
UCNV_IO_STD_NORMALIZED,
UCNV_IO_NORM_TYPE_COUNT
};
typedef struct {
uint16_t stringNormalizationType;
uint16_t containsCnvOptionInfo;
} UConverterAliasOptions;
typedef struct UConverterAlias {
const uint16_t *converterList;
const uint16_t *tagList;
const uint16_t *aliasList;
const uint16_t *untaggedConvArray;
const uint16_t *taggedAliasArray;
const uint16_t *taggedAliasLists;
const UConverterAliasOptions *optionTable;
const uint16_t *stringTable;
const uint16_t *normalizedStringTable;
uint32_t converterListSize;
uint32_t tagListSize;
uint32_t aliasListSize;
uint32_t untaggedConvArraySize;
uint32_t taggedAliasArraySize;
uint32_t taggedAliasListsSize;
uint32_t optionTableSize;
uint32_t stringTableSize;
uint32_t normalizedStringTableSize;
} UConverterAlias;
/**
* \var ucnv_io_stripForCompare
* Remove the underscores, dashes and spaces from the name, and convert
* the name to lower case.
* @param dst The destination buffer, which is <= the buffer of name.
* @param dst The destination buffer, which is <= the buffer of name.
* @see ucnv_compareNames
* @return the destination buffer.
*/
#if U_CHARSET_FAMILY==U_ASCII_FAMILY
# define ucnv_io_stripForCompare ucnv_io_stripASCIIForCompare
#elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY
# define ucnv_io_stripForCompare ucnv_io_stripEBCDICForCompare
#else
# error U_CHARSET_FAMILY is not valid
#endif
U_CAPI char * U_CALLCONV
ucnv_io_stripASCIIForCompare(char *dst, const char *name);
U_CAPI char * U_CALLCONV
ucnv_io_stripEBCDICForCompare(char *dst, const char *name);
/**
* Map a converter alias name to a canonical converter name.
* The alias is searched for case-insensitively, the converter name
* is returned in mixed-case.
* Returns NULL if the alias is not found.
* @param alias The alias name to be searched.
* @param containsOption A return value stating whether the returned converter name contains an option (a comma)
* @param pErrorCode The error code
* @return the converter name in mixed-case, return NULL if the alias is not found.
*/
U_CAPI const char *
ucnv_io_getConverterName(const char *alias, UBool *containsOption, UErrorCode *pErrorCode);
/**
* Return the number of all known converter names (no aliases).
* @param pErrorCode The error code
* @return the number of all aliases
*/
U_CAPI uint16_t
ucnv_io_countKnownConverters(UErrorCode *pErrorCode);
/**
* Swap an ICU converter alias table. See implementation for details.
* @internal
*/
U_CAPI int32_t U_EXPORT2
ucnv_swapAliases(const UDataSwapper *ds,
const void *inData, int32_t length, void *outData,
UErrorCode *pErrorCode);
#endif
#endif /* _UCNV_IO */
/*
* Hey, Emacs, please set the following:
*
* Local Variables:
* indent-tabs-mode: nil
* End:
*
*/
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