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Commit	Line	Data
	1	/*
	2	**********************************************************************
	3	* Copyright (C) 1999-2006, International Business Machines
	4	* Corporation and others. All Rights Reserved.
	5	**********************************************************************
	6	*
	7	*
	8	* ucnv_io.h:
	9	* defines variables and functions pertaining to converter name resolution
	10	* aspect of the conversion code
	11	*/
	12
	13	#ifndef UCNV_IO_H
	14	#define UCNV_IO_H
	15
	16	#include "unicode/utypes.h"
	17
	18	#if !UCONFIG_NO_CONVERSION
	19
	20	#include "udataswp.h"
	21
	22	#define UCNV_AMBIGUOUS_ALIAS_MAP_BIT 0x8000
	23	#define UCNV_CONTAINS_OPTION_BIT 0x4000
	24	#define UCNV_CONVERTER_INDEX_MASK 0xFFF
	25	#define UCNV_NUM_RESERVED_TAGS 2
	26	#define UCNV_NUM_HIDDEN_TAGS 1
	27
	28	enum {
	29	UCNV_IO_UNNORMALIZED,
	30	UCNV_IO_STD_NORMALIZED,
	31	UCNV_IO_NORM_TYPE_COUNT
	32	};
	33
	34	typedef struct {
	35	uint16_t stringNormalizationType;
	36	uint16_t containsCnvOptionInfo;
	37	} UConverterAliasOptions;
	38
	39	typedef struct UConverterAlias {
	40	const uint16_t *converterList;
	41	const uint16_t *tagList;
	42	const uint16_t *aliasList;
	43	const uint16_t *untaggedConvArray;
	44	const uint16_t *taggedAliasArray;
	45	const uint16_t *taggedAliasLists;
	46	const UConverterAliasOptions *optionTable;
	47	const uint16_t *stringTable;
	48	const uint16_t *normalizedStringTable;
	49
	50	uint32_t converterListSize;
	51	uint32_t tagListSize;
	52	uint32_t aliasListSize;
	53	uint32_t untaggedConvArraySize;
	54	uint32_t taggedAliasArraySize;
	55	uint32_t taggedAliasListsSize;
	56	uint32_t optionTableSize;
	57	uint32_t stringTableSize;
	58	uint32_t normalizedStringTableSize;
	59	} UConverterAlias;
	60
	61	/**
	62	* \var ucnv_io_stripForCompare
	63	* Remove the underscores, dashes and spaces from the name, and convert
	64	* the name to lower case.
	65	* @param dst The destination buffer, which is <= the buffer of name.
	66	* @param dst The destination buffer, which is <= the buffer of name.
	67	* @see ucnv_compareNames
	68	* @return the destination buffer.
	69	*/
	70	#if U_CHARSET_FAMILY==U_ASCII_FAMILY
	71	# define ucnv_io_stripForCompare ucnv_io_stripASCIIForCompare
	72	#elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY
	73	# define ucnv_io_stripForCompare ucnv_io_stripEBCDICForCompare
	74	#else
	75	# error U_CHARSET_FAMILY is not valid
	76	#endif
	77
	78	U_CAPI char * U_EXPORT2
	79	ucnv_io_stripASCIIForCompare(char dst, const char name);
	80
	81	U_CAPI char * U_EXPORT2
	82	ucnv_io_stripEBCDICForCompare(char dst, const char name);
	83
	84	/**
	85	* Map a converter alias name to a canonical converter name.
	86	* The alias is searched for case-insensitively, the converter name
	87	* is returned in mixed-case.
	88	* Returns NULL if the alias is not found.
	89	* @param alias The alias name to be searched.
	90	* @param containsOption A return value stating whether the returned converter name contains an option (a comma)
	91	* @param pErrorCode The error code
	92	* @return the converter name in mixed-case, return NULL if the alias is not found.
	93	*/
	94	U_CFUNC const char *
	95	ucnv_io_getConverterName(const char alias, UBool containsOption, UErrorCode *pErrorCode);
	96
	97	/**
	98	* Return the number of all known converter names (no aliases).
	99	* @param pErrorCode The error code
	100	* @return the number of all aliases
	101	*/
	102	U_CFUNC uint16_t
	103	ucnv_io_countKnownConverters(UErrorCode *pErrorCode);
	104
	105	/**
	106	* Swap an ICU converter alias table. See implementation for details.
	107	* @internal
	108	*/
	109	U_CAPI int32_t U_EXPORT2
	110	ucnv_swapAliases(const UDataSwapper *ds,
	111	const void inData, int32_t length, void outData,
	112	UErrorCode *pErrorCode);
	113
	114	#endif
	115
	116	#endif /* _UCNV_IO */
	117
	118	/*
	119	* Hey, Emacs, please set the following:
	120	*
	121	* Local Variables:
	122	* indent-tabs-mode: nil
	123	* End:
	124	*
	125	*/