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