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Diffstat (limited to 'intl/icu/source/common/ucnv_io.h')
-rw-r--r-- | intl/icu/source/common/ucnv_io.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/intl/icu/source/common/ucnv_io.h b/intl/icu/source/common/ucnv_io.h new file mode 100644 index 0000000000..8f2d7b5a02 --- /dev/null +++ b/intl/icu/source/common/ucnv_io.h @@ -0,0 +1,127 @@ +// © 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: + * + */ |