129 lines
4.4 KiB
C
129 lines
4.4 KiB
C
/*
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*****************************************************************************************
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* Copyright (C) 2016 and later: Unicode, Inc. and others.
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* Corporation and others. All Rights Reserved.
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*****************************************************************************************
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*/
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#ifndef ULISTFORMATTER_H
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#define ULISTFORMATTER_H
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/localpointer.h"
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/**
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* \file
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* \brief C API: Format a list in a locale-appropriate way.
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*
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* A UListFormatter is used to format a list of items in a locale-appropriate way,
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* using data from CLDR.
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* Example: Input data ["Alice", "Bob", "Charlie", "Delta"] will be formatted
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* as "Alice, Bob, Charlie, and Delta" in English.
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*/
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/**
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* Opaque UListFormatter object for use in C
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* @stable ICU 55
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*/
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struct UListFormatter;
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typedef struct UListFormatter UListFormatter; /**< C typedef for struct UListFormatter. @stable ICU 55 */
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/**
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* Open a new UListFormatter object using the rules for a given locale.
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* @param locale
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* The locale whose rules should be used; may be NULL for
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* default locale.
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* @param status
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* A pointer to a standard ICU UErrorCode (input/output parameter).
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* Its input value must pass the U_SUCCESS() test, or else the
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* function returns immediately. The caller should check its output
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* value with U_FAILURE(), or use with function chaining (see User
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* Guide for details).
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* @return
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* A pointer to a UListFormatter object for the specified locale,
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* or NULL if an error occurred.
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* @stable ICU 55
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*/
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U_STABLE UListFormatter* U_EXPORT2
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ulistfmt_open(const char* locale,
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UErrorCode* status);
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/**
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* Close a UListFormatter object. Once closed it may no longer be used.
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* @param listfmt
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* The UListFormatter object to close.
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* @stable ICU 55
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*/
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U_STABLE void U_EXPORT2
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ulistfmt_close(UListFormatter *listfmt);
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#if U_SHOW_CPLUSPLUS_API
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U_NAMESPACE_BEGIN
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/**
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* \class LocalUListFormatterPointer
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* "Smart pointer" class, closes a UListFormatter via ulistfmt_close().
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* For most methods see the LocalPointerBase base class.
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*
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* @see LocalPointerBase
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* @see LocalPointer
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* @stable ICU 55
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*/
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U_DEFINE_LOCAL_OPEN_POINTER(LocalUListFormatterPointer, UListFormatter, ulistfmt_close);
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U_NAMESPACE_END
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#endif
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/**
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* Formats a list of strings using the conventions established for the
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* UListFormatter object.
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* @param listfmt
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* The UListFormatter object specifying the list conventions.
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* @param strings
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* An array of pointers to UChar strings; the array length is
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* specified by stringCount. Must be non-NULL if stringCount > 0.
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* @param stringLengths
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* An array of string lengths corresponding to the strings[]
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* parameter; any individual length value may be negative to indicate
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* that the corresponding strings[] entry is 0-terminated, or
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* stringLengths itself may be NULL if all of the strings are
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* 0-terminated. If non-NULL, the stringLengths array must have
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* stringCount entries.
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* @param stringCount
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* the number of entries in strings[], and the number of entries
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* in the stringLengths array if it is not NULL. Must be >= 0.
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* @param result
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* A pointer to a buffer to receive the formatted list.
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* @param resultCapacity
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* The maximum size of result.
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* @param status
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* A pointer to a standard ICU UErrorCode (input/output parameter).
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* Its input value must pass the U_SUCCESS() test, or else the
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* function returns immediately. The caller should check its output
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* value with U_FAILURE(), or use with function chaining (see User
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* Guide for details).
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* @return
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* The total buffer size needed; if greater than resultLength, the
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* output was truncated. May be <=0 if unable to determine the
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* total buffer size needed (e.g. for illegal arguments).
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* @stable ICU 55
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*/
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U_DRAFT int32_t U_EXPORT2
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ulistfmt_format(const UListFormatter* listfmt,
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const UChar* const strings[],
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const int32_t * stringLengths,
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int32_t stringCount,
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UChar* result,
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int32_t resultCapacity,
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UErrorCode* status);
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#endif /* #if !UCONFIG_NO_FORMATTING */
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#endif
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