161 lines
5.0 KiB
C
161 lines
5.0 KiB
C
/*
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**********************************************************************
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* Copyright (C) 1999-2001, 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 file access, and name resolution
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* aspect of the library
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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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#define UCNV_AMBIGUOUS_ALIAS_MAP_BIT 0x8000
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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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/**
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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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* @return the destination buffer.
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*/
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U_CFUNC char * U_EXPORT2
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ucnv_io_stripForCompare(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 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, UErrorCode *pErrorCode);
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/**
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* The count for ucnv_io_getAliases and ucnv_io_getAlias
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* @param alias The alias name to be counted
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* @param pErrorCode The error code
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* @return the alias count
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*/
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U_CFUNC uint16_t
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ucnv_io_countAliases(const char *alias, UErrorCode *pErrorCode);
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/**
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* Search case-insensitively for a converter alias and set aliases to
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* a pointer to the list of aliases for the actual converter.
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* The first "alias" is the canonical converter name.
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* The aliases are stored consecutively, in mixed case, each NUL-terminated.
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* There are as many strings in this list as the return value specifies.
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* Returns the number of aliases including the canonical converter name,
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* or 0 if the alias is not found.
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* @param alias The canonical converter name
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* @param start
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* @param aliases A pointer to the list of aliases for the actual converter
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* @return the number of aliases including the canonical converter name, or 0 if the alias is not found.
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*/
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U_CFUNC uint16_t
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ucnv_io_getAliases(const char *alias, uint16_t start, const char **aliases, UErrorCode *pErrorCode);
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/**
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* Search case-insensitively for a converter alias and return
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* the (n)th alias.
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* Returns NULL if the alias is not found.
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* @param alias The converter alias
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* @param n The number specifies which alias to get
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* @param pErrorCode The error code
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* @return the (n)th alias and 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_getAlias(const char *alias, uint16_t n, UErrorCode *pErrorCode);
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/**
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* Return the number of all standard names.
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* @param pErrorCode The error code
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* @return the number of all standard names
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*/
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U_CFUNC uint16_t
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ucnv_io_countStandards(UErrorCode *pErrorCode);
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/**
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* Return the number of all converter names.
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* @param pErrorCode The error code
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* @return the number of all converter names
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*/
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U_CFUNC uint16_t
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ucnv_io_countAvailableConverters(UErrorCode *pErrorCode);
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/**
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* Return the (n)th converter name in mixed case, or NULL
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* if there is none (typically, if the data cannot be loaded).
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* 0<=index<ucnv_io_countAvailableConverters().
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* @param n The number specifies which converter name to get
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* @param pErrorCode The error code
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* @return the (n)th converter name in mixed case, or NULL if there is none.
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*/
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U_CFUNC const char *
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ucnv_io_getAvailableConverter(uint16_t n, UErrorCode *pErrorCode);
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#ifdef ICU_UNICODECONVERTER_USE_DEPRECATES
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/**
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* Fill an array const char *aliases[ucnv_io_countAvailableConverters()]
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* with pointers to all converter names in mixed-case.
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* @param aliases The alias array to be filled
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* @param pErrorCode The error code
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*/
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U_CFUNC void
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ucnv_io_fillAvailableConverters(const char **aliases, UErrorCode *pErrorCode);
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#endif
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/**
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* Return the (n)th converter name in mixed case, or NULL
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* if there is none (typically, if the data cannot be loaded).
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* 0<=index<ucnv_io_countAvailableConverters().
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*/
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U_CFUNC void
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ucnv_io_flushAvailableConverterCache(void);
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/**
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* Return the number of all aliases (and converter names).
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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_countAvailableAliases(UErrorCode *pErrorCode);
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/**
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* Get the name of the default converter.
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* This name is already resolved by <code>ucnv_io_getConverterName()</code>.
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* @return the name of the default converter
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*/
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U_CFUNC const char *
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ucnv_io_getDefaultConverterName(void);
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/**
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* Set the name of the default converter.
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* @param name The name set to the default converter
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*/
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U_CFUNC void
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ucnv_io_setDefaultConverterName(const char *name);
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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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