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YTLitePlus/Tweaks/Return-YouTube-Dislikes/unicode/unum.h
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/*
*******************************************************************************
* Copyright (C) 1997-2010, International Business Machines Corporation and others.
* All Rights Reserved.
* Modification History:
*
* Date Name Description
* 06/24/99 helena Integrated Alan's NF enhancements and Java2 bug fixes
*******************************************************************************
*/
#ifndef _UNUM
#define _UNUM
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "unicode/localpointer.h"
#include "uloc.h"
#include "umisc.h"
#include "unicode/parseerr.h"
/**
* \file
* \brief C API: NumberFormat
*
* <h2> Number Format C API </h2>
*
* Number Format C API Provides functions for
* formatting and parsing a number. Also provides methods for
* determining which locales have number formats, and what their names
* are.
* <P>
* UNumberFormat helps you to format and parse numbers for any locale.
* Your code can be completely independent of the locale conventions
* for decimal points, thousands-separators, or even the particular
* decimal digits used, or whether the number format is even decimal.
* There are different number format styles like decimal, currency,
* percent and spellout.
* <P>
* To format a number for the current Locale, use one of the static
* factory methods:
* <pre>
* \code
* UChar myString[20];
* double myNumber = 7.0;
* UErrorCode status = U_ZERO_ERROR;
* UNumberFormat* nf = unum_open(UNUM_DEFAULT, NULL, -1, NULL, NULL, &status);
* unum_formatDouble(nf, myNumber, myString, 20, NULL, &status);
* printf(" Example 1: %s\n", austrdup(myString) ); //austrdup( a function used to convert UChar* to char*)
* \endcode
* </pre>
* If you are formatting multiple numbers, it is more efficient to get
* the format and use it multiple times so that the system doesn't
* have to fetch the information about the local language and country
* conventions multiple times.
* <pre>
* \code
* uint32_t i, resultlength, reslenneeded;
* UErrorCode status = U_ZERO_ERROR;
* UFieldPosition pos;
* uint32_t a[] = { 123, 3333, -1234567 };
* const uint32_t a_len = sizeof(a) / sizeof(a[0]);
* UNumberFormat* nf;
* UChar* result = NULL;
*
* nf = unum_open(UNUM_DEFAULT, NULL, -1, NULL, NULL, &status);
* for (i = 0; i < a_len; i++) {
* resultlength=0;
* reslenneeded=unum_format(nf, a[i], NULL, resultlength, &pos, &status);
* result = NULL;
* if(status==U_BUFFER_OVERFLOW_ERROR){
* status=U_ZERO_ERROR;
* resultlength=reslenneeded+1;
* result=(UChar*)malloc(sizeof(UChar) * resultlength);
* unum_format(nf, a[i], result, resultlength, &pos, &status);
* }
* printf( " Example 2: %s\n", austrdup(result));
* free(result);
* }
* \endcode
* </pre>
* To format a number for a different Locale, specify it in the
* call to unum_open().
* <pre>
* \code
* UNumberFormat* nf = unum_open(UNUM_DEFAULT, NULL, -1, "fr_FR", NULL, &success)
* \endcode
* </pre>
* You can use a NumberFormat API unum_parse() to parse.
* <pre>
* \code
* UErrorCode status = U_ZERO_ERROR;
* int32_t pos=0;
* int32_t num;
* num = unum_parse(nf, str, u_strlen(str), &pos, &status);
* \endcode
* </pre>
* Use UNUM_DECIMAL to get the normal number format for that country.
* There are other static options available. Use UNUM_CURRENCY
* to get the currency number format for that country. Use UNUM_PERCENT
* to get a format for displaying percentages. With this format, a
* fraction from 0.53 is displayed as 53%.
* <P>
* Use a pattern to create either a DecimalFormat or a RuleBasedNumberFormat
* formatter. The pattern must conform to the syntax defined for those
* formatters.
* <P>
* You can also control the display of numbers with such function as
* unum_getAttribues() and unum_setAtributes(), which let you set the
* miminum fraction digits, grouping, etc.
* @see UNumberFormatAttributes for more details
* <P>
* You can also use forms of the parse and format methods with
* ParsePosition and UFieldPosition to allow you to:
* <ul type=round>
* <li>(a) progressively parse through pieces of a string.
* <li>(b) align the decimal point and other areas.
* </ul>
* <p>
* It is also possible to change or set the symbols used for a particular
* locale like the currency symbol, the grouping seperator , monetary seperator
* etc by making use of functions unum_setSymbols() and unum_getSymbols().
*/
/** A number formatter.
* For usage in C programs.
* @stable ICU 2.0
*/
typedef void* UNumberFormat;
/** The possible number format styles.
* @stable ICU 2.0
*/
typedef enum UNumberFormatStyle {
/**
* Decimal format defined by pattern
* @stable ICU 3.0
*/
UNUM_PATTERN_DECIMAL=0,
/** Decimal format */
UNUM_DECIMAL=1,
/** Currency format */
UNUM_CURRENCY,
/** Percent format */
UNUM_PERCENT,
/** Scientific format */
UNUM_SCIENTIFIC,
/** Spellout rule-based format */
UNUM_SPELLOUT,
/**
* Ordinal rule-based format
* @stable ICU 3.0
*/
UNUM_ORDINAL,
/**
* Duration rule-based format
* @stable ICU 3.0
*/
UNUM_DURATION,
/**
* Numbering system rule-based format
* @stable ICU 4.2
*/
UNUM_NUMBERING_SYSTEM,
/**
* Rule-based format defined by pattern
* @stable ICU 3.0
*/
UNUM_PATTERN_RULEBASED,
/** Default format */
UNUM_DEFAULT = UNUM_DECIMAL,
/** (Alias for UNUM_PATTERN_DECIMAL) */
UNUM_IGNORE = UNUM_PATTERN_DECIMAL,
UNUM_DECIMAL_COMPACT_SHORT = 14,
UNUM_DECIMAL_COMPACT_LONG = 15,
} UNumberFormatStyle;
/** The possible number format rounding modes.
* @stable ICU 2.0
*/
typedef enum UNumberFormatRoundingMode {
UNUM_ROUND_CEILING,
UNUM_ROUND_FLOOR,
UNUM_ROUND_DOWN,
UNUM_ROUND_UP,
/**
* Half-even rounding, misspelled name
* @deprecated, ICU 3.8
*/
UNUM_FOUND_HALFEVEN,
UNUM_ROUND_HALFDOWN,
UNUM_ROUND_HALFUP,
/**
* Half-even rounding
* @stable, ICU 3.8
*/
UNUM_ROUND_HALFEVEN = UNUM_FOUND_HALFEVEN
} UNumberFormatRoundingMode;
/** The possible number format pad positions.
* @stable ICU 2.0
*/
typedef enum UNumberFormatPadPosition {
UNUM_PAD_BEFORE_PREFIX,
UNUM_PAD_AFTER_PREFIX,
UNUM_PAD_BEFORE_SUFFIX,
UNUM_PAD_AFTER_SUFFIX
} UNumberFormatPadPosition;
/**
* Create and return a new UNumberFormat for formatting and parsing
* numbers. A UNumberFormat may be used to format numbers by calling
* {@link #unum_format }, and to parse numbers by calling {@link #unum_parse }.
* The caller must call {@link #unum_close } when done to release resources
* used by this object.
* @param style The type of number format to open: one of
* UNUM_DECIMAL, UNUM_CURRENCY, UNUM_PERCENT, UNUM_SCIENTIFIC, UNUM_SPELLOUT,
* UNUM_PATTERN_DECIMAL, UNUM_PATTERN_RULEBASED, or UNUM_DEFAULT.
* If UNUM_PATTERN_DECIMAL or UNUM_PATTERN_RULEBASED is passed then the
* number format is opened using the given pattern, which must conform
* to the syntax described in DecimalFormat or RuleBasedNumberFormat,
* respectively.
* @param pattern A pattern specifying the format to use.
* This parameter is ignored unless the style is
* UNUM_PATTERN_DECIMAL or UNUM_PATTERN_RULEBASED.
* @param patternLength The number of characters in the pattern, or -1
* if null-terminated. This parameter is ignored unless the style is
* UNUM_PATTERN.
* @param locale A locale identifier to use to determine formatting
* and parsing conventions, or NULL to use the default locale.
* @param parseErr A pointer to a UParseError struct to receive the
* details of any parsing errors, or NULL if no parsing error details
* are desired.
* @param status A pointer to an input-output UErrorCode.
* @return A pointer to a newly created UNumberFormat, or NULL if an
* error occurred.
* @see unum_close
* @see DecimalFormat
* @stable ICU 2.0
*/
U_STABLE UNumberFormat* U_EXPORT2
unum_open( UNumberFormatStyle style,
const UChar* pattern,
int32_t patternLength,
const char* locale,
UParseError* parseErr,
UErrorCode* status);
/**
* Close a UNumberFormat.
* Once closed, a UNumberFormat may no longer be used.
* @param fmt The formatter to close.
* @stable ICU 2.0
*/
U_STABLE void U_EXPORT2
unum_close(UNumberFormat* fmt);
#if U_SHOW_CPLUSPLUS_API
U_NAMESPACE_BEGIN
/**
* \class LocalUNumberFormatPointer
* "Smart pointer" class, closes a UNumberFormat via unum_close().
* For most methods see the LocalPointerBase base class.
*
* @see LocalPointerBase
* @see LocalPointer
* @stable ICU 4.4
*/
U_DEFINE_LOCAL_OPEN_POINTER(LocalUNumberFormatPointer, UNumberFormat, unum_close);
U_NAMESPACE_END
#endif
/**
* Open a copy of a UNumberFormat.
* This function performs a deep copy.
* @param fmt The format to copy
* @param status A pointer to an UErrorCode to receive any errors.
* @return A pointer to a UNumberFormat identical to fmt.
* @stable ICU 2.0
*/
U_STABLE UNumberFormat* U_EXPORT2
unum_clone(const UNumberFormat *fmt,
UErrorCode *status);
/**
* Format an integer using a UNumberFormat.
* The integer will be formatted according to the UNumberFormat's locale.
* @param fmt The formatter to use.
* @param number The number to format.
* @param result A pointer to a buffer to receive the formatted number.
* @param resultLength The maximum size of result.
* @param pos A pointer to a UFieldPosition. On input, position->field
* is read. On output, position->beginIndex and position->endIndex indicate
* the beginning and ending indices of field number position->field, if such
* a field exists. This parameter may be NULL, in which case no field
* @param status A pointer to an UErrorCode to receive any errors
* @return The total buffer size needed; if greater than resultLength, the output was truncated.
* @see unum_formatInt64
* @see unum_formatDouble
* @see unum_parse
* @see unum_parseInt64
* @see unum_parseDouble
* @see UFieldPosition
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
unum_format( const UNumberFormat* fmt,
int32_t number,
UChar* result,
int32_t resultLength,
UFieldPosition *pos,
UErrorCode* status);
/**
* Format an int64 using a UNumberFormat.
* The int64 will be formatted according to the UNumberFormat's locale.
* @param fmt The formatter to use.
* @param number The number to format.
* @param result A pointer to a buffer to receive the formatted number.
* @param resultLength The maximum size of result.
* @param pos A pointer to a UFieldPosition. On input, position->field
* is read. On output, position->beginIndex and position->endIndex indicate
* the beginning and ending indices of field number position->field, if such
* a field exists. This parameter may be NULL, in which case no field
* @param status A pointer to an UErrorCode to receive any errors
* @return The total buffer size needed; if greater than resultLength, the output was truncated.
* @see unum_format
* @see unum_formatDouble
* @see unum_parse
* @see unum_parseInt64
* @see unum_parseDouble
* @see UFieldPosition
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
unum_formatInt64(const UNumberFormat *fmt,
int64_t number,
UChar* result,
int32_t resultLength,
UFieldPosition *pos,
UErrorCode* status);
/**
* Format a double using a UNumberFormat.
* The double will be formatted according to the UNumberFormat's locale.
* @param fmt The formatter to use.
* @param number The number to format.
* @param result A pointer to a buffer to receive the formatted number.
* @param resultLength The maximum size of result.
* @param pos A pointer to a UFieldPosition. On input, position->field
* is read. On output, position->beginIndex and position->endIndex indicate
* the beginning and ending indices of field number position->field, if such
* a field exists. This parameter may be NULL, in which case no field
* @param status A pointer to an UErrorCode to receive any errors
* @return The total buffer size needed; if greater than resultLength, the output was truncated.
* @see unum_format
* @see unum_formatInt64
* @see unum_parse
* @see unum_parseInt64
* @see unum_parseDouble
* @see UFieldPosition
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
unum_formatDouble( const UNumberFormat* fmt,
double number,
UChar* result,
int32_t resultLength,
UFieldPosition *pos, /* 0 if ignore */
UErrorCode* status);
/**
* Format a decimal number using a UNumberFormat.
* The number will be formatted according to the UNumberFormat's locale.
* The syntax of the input number is a "numeric string"
* as defined in the Decimal Arithmetic Specification, available at
* http://speleotrove.com/decimal
* @param fmt The formatter to use.
* @param number The number to format.
* @param length The length of the input number, or -1 if the input is nul-terminated.
* @param result A pointer to a buffer to receive the formatted number.
* @param resultLength The maximum size of result.
* @param pos A pointer to a UFieldPosition. On input, position->field
* is read. On output, position->beginIndex and position->endIndex indicate
* the beginning and ending indices of field number position->field, if such
* a field exists. This parameter may be NULL, in which case it is ignored.
* @param status A pointer to an UErrorCode to receive any errors
* @return The total buffer size needed; if greater than resultLength, the output was truncated.
* @see unum_format
* @see unum_formatInt64
* @see unum_parse
* @see unum_parseInt64
* @see unum_parseDouble
* @see UFieldPosition
* @stable ICU 4.4
*/
U_STABLE int32_t U_EXPORT2
unum_formatDecimal( const UNumberFormat* fmt,
const char * number,
int32_t length,
UChar* result,
int32_t resultLength,
UFieldPosition *pos, /* 0 if ignore */
UErrorCode* status);
/**
* Format a double currency amount using a UNumberFormat.
* The double will be formatted according to the UNumberFormat's locale.
* @param fmt the formatter to use
* @param number the number to format
* @param currency the 3-letter null-terminated ISO 4217 currency code
* @param result a pointer to the buffer to receive the formatted number
* @param resultLength the maximum number of UChars to write to result
* @param pos a pointer to a UFieldPosition. On input,
* position->field is read. On output, position->beginIndex and
* position->endIndex indicate the beginning and ending indices of
* field number position->field, if such a field exists. This
* parameter may be NULL, in which case it is ignored.
* @param status a pointer to an input-output UErrorCode
* @return the total buffer size needed; if greater than resultLength,
* the output was truncated.
* @see unum_formatDouble
* @see unum_parseDoubleCurrency
* @see UFieldPosition
* @stable ICU 3.0
*/
U_STABLE int32_t U_EXPORT2
unum_formatDoubleCurrency(const UNumberFormat* fmt,
double number,
UChar* currency,
UChar* result,
int32_t resultLength,
UFieldPosition* pos, /* ignored if 0 */
UErrorCode* status);
/**
* Parse a string into an integer using a UNumberFormat.
* The string will be parsed according to the UNumberFormat's locale.
* @param fmt The formatter to use.
* @param text The text to parse.
* @param textLength The length of text, or -1 if null-terminated.
* @param parsePos If not 0, on input a pointer to an integer specifying the offset at which
* to begin parsing. If not 0, on output the offset at which parsing ended.
* @param status A pointer to an UErrorCode to receive any errors
* @return The value of the parsed integer
* @see unum_parseInt64
* @see unum_parseDouble
* @see unum_format
* @see unum_formatInt64
* @see unum_formatDouble
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
unum_parse( const UNumberFormat* fmt,
const UChar* text,
int32_t textLength,
int32_t *parsePos /* 0 = start */,
UErrorCode *status);
/**
* Parse a string into an int64 using a UNumberFormat.
* The string will be parsed according to the UNumberFormat's locale.
* @param fmt The formatter to use.
* @param text The text to parse.
* @param textLength The length of text, or -1 if null-terminated.
* @param parsePos If not 0, on input a pointer to an integer specifying the offset at which
* to begin parsing. If not 0, on output the offset at which parsing ended.
* @param status A pointer to an UErrorCode to receive any errors
* @return The value of the parsed integer
* @see unum_parse
* @see unum_parseDouble
* @see unum_format
* @see unum_formatInt64
* @see unum_formatDouble
* @stable ICU 2.8
*/
U_STABLE int64_t U_EXPORT2
unum_parseInt64(const UNumberFormat* fmt,
const UChar* text,
int32_t textLength,
int32_t *parsePos /* 0 = start */,
UErrorCode *status);
/**
* Parse a string into a double using a UNumberFormat.
* The string will be parsed according to the UNumberFormat's locale.
* @param fmt The formatter to use.
* @param text The text to parse.
* @param textLength The length of text, or -1 if null-terminated.
* @param parsePos If not 0, on input a pointer to an integer specifying the offset at which
* to begin parsing. If not 0, on output the offset at which parsing ended.
* @param status A pointer to an UErrorCode to receive any errors
* @return The value of the parsed double
* @see unum_parse
* @see unum_parseInt64
* @see unum_format
* @see unum_formatInt64
* @see unum_formatDouble
* @stable ICU 2.0
*/
U_STABLE double U_EXPORT2
unum_parseDouble( const UNumberFormat* fmt,
const UChar* text,
int32_t textLength,
int32_t *parsePos /* 0 = start */,
UErrorCode *status);
/**
* Parse a number from a string into an unformatted numeric string using a UNumberFormat.
* The input string will be parsed according to the UNumberFormat's locale.
* The syntax of the output is a "numeric string"
* as defined in the Decimal Arithmetic Specification, available at
* http://speleotrove.com/decimal
* @param fmt The formatter to use.
* @param text The text to parse.
* @param textLength The length of text, or -1 if null-terminated.
* @param parsePos If not 0, on input a pointer to an integer specifying the offset at which
* to begin parsing. If not 0, on output the offset at which parsing ended.
* @param outBuf A (char *) buffer to receive the parsed number as a string. The output string
* will be nul-terminated if there is sufficient space.
* @param outBufLength The size of the output buffer. May be zero, in which case
* the outBuf pointer may be NULL, and the function will return the
* size of the output string.
* @param status A pointer to an UErrorCode to receive any errors
* @return the length of the output string, not including any terminating nul.
* @see unum_parse
* @see unum_parseInt64
* @see unum_format
* @see unum_formatInt64
* @see unum_formatDouble
* @stable ICU 4.4
*/
U_STABLE int32_t U_EXPORT2
unum_parseDecimal(const UNumberFormat* fmt,
const UChar* text,
int32_t textLength,
int32_t *parsePos /* 0 = start */,
char *outBuf,
int32_t outBufLength,
UErrorCode *status);
/**
* Parse a string into a double and a currency using a UNumberFormat.
* The string will be parsed according to the UNumberFormat's locale.
* @param fmt the formatter to use
* @param text the text to parse
* @param textLength the length of text, or -1 if null-terminated
* @param parsePos a pointer to an offset index into text at which to
* begin parsing. On output, *parsePos will point after the last
* parsed character. This parameter may be 0, in which case parsing
* begins at offset 0.
* @param currency a pointer to the buffer to receive the parsed null-
* terminated currency. This buffer must have a capacity of at least
* 4 UChars.
* @param status a pointer to an input-output UErrorCode
* @return the parsed double
* @see unum_parseDouble
* @see unum_formatDoubleCurrency
* @stable ICU 3.0
*/
U_STABLE double U_EXPORT2
unum_parseDoubleCurrency(const UNumberFormat* fmt,
const UChar* text,
int32_t textLength,
int32_t* parsePos, /* 0 = start */
UChar* currency,
UErrorCode* status);
/**
* Set the pattern used by a UNumberFormat. This can only be used
* on a DecimalFormat, other formats return U_ILLEGAL_ARGUMENT_ERROR
* in the status.
* @param format The formatter to set.
* @param localized TRUE if the pattern is localized, FALSE otherwise.
* @param pattern The new pattern
* @param patternLength The length of pattern, or -1 if null-terminated.
* @param parseError A pointer to UParseError to recieve information
* about errors occurred during parsing, or NULL if no parse error
* information is desired.
* @param status A pointer to an input-output UErrorCode.
* @see unum_toPattern
* @see DecimalFormat
* @stable ICU 2.0
*/
U_STABLE void U_EXPORT2
unum_applyPattern( UNumberFormat *format,
UBool localized,
const UChar *pattern,
int32_t patternLength,
UParseError *parseError,
UErrorCode *status
);
/**
* Get a locale for which decimal formatting patterns are available.
* A UNumberFormat in a locale returned by this function will perform the correct
* formatting and parsing for the locale. The results of this call are not
* valid for rule-based number formats.
* @param localeIndex The index of the desired locale.
* @return A locale for which number formatting patterns are available, or 0 if none.
* @see unum_countAvailable
* @stable ICU 2.0
*/
U_STABLE const char* U_EXPORT2
unum_getAvailable(int32_t localeIndex);
/**
* Determine how many locales have decimal formatting patterns available. The
* results of this call are not valid for rule-based number formats.
* This function is useful for determining the loop ending condition for
* calls to {@link #unum_getAvailable }.
* @return The number of locales for which decimal formatting patterns are available.
* @see unum_getAvailable
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
unum_countAvailable(void);
/** The possible UNumberFormat numeric attributes @stable ICU 2.0 */
typedef enum UNumberFormatAttribute {
/** Parse integers only */
UNUM_PARSE_INT_ONLY,
/** Use grouping separator */
UNUM_GROUPING_USED,
/** Always show decimal point */
UNUM_DECIMAL_ALWAYS_SHOWN,
/** Maximum integer digits */
UNUM_MAX_INTEGER_DIGITS,
/** Minimum integer digits */
UNUM_MIN_INTEGER_DIGITS,
/** Integer digits */
UNUM_INTEGER_DIGITS,
/** Maximum fraction digits */
UNUM_MAX_FRACTION_DIGITS,
/** Minimum fraction digits */
UNUM_MIN_FRACTION_DIGITS,
/** Fraction digits */
UNUM_FRACTION_DIGITS,
/** Multiplier */
UNUM_MULTIPLIER,
/** Grouping size */
UNUM_GROUPING_SIZE,
/** Rounding Mode */
UNUM_ROUNDING_MODE,
/** Rounding increment */
UNUM_ROUNDING_INCREMENT,
/** The width to which the output of <code>format()</code> is padded. */
UNUM_FORMAT_WIDTH,
/** The position at which padding will take place. */
UNUM_PADDING_POSITION,
/** Secondary grouping size */
UNUM_SECONDARY_GROUPING_SIZE,
/** Use significant digits
* @stable ICU 3.0 */
UNUM_SIGNIFICANT_DIGITS_USED,
/** Minimum significant digits
* @stable ICU 3.0 */
UNUM_MIN_SIGNIFICANT_DIGITS,
/** Maximum significant digits
* @stable ICU 3.0 */
UNUM_MAX_SIGNIFICANT_DIGITS,
/** Lenient parse mode used by rule-based formats.
* @stable ICU 3.0
*/
UNUM_LENIENT_PARSE
} UNumberFormatAttribute;
/**
* Get a numeric attribute associated with a UNumberFormat.
* An example of a numeric attribute is the number of integer digits a formatter will produce.
* @param fmt The formatter to query.
* @param attr The attribute to query; one of UNUM_PARSE_INT_ONLY, UNUM_GROUPING_USED,
* UNUM_DECIMAL_ALWAYS_SHOWN, UNUM_MAX_INTEGER_DIGITS, UNUM_MIN_INTEGER_DIGITS, UNUM_INTEGER_DIGITS,
* UNUM_MAX_FRACTION_DIGITS, UNUM_MIN_FRACTION_DIGITS, UNUM_FRACTION_DIGITS, UNUM_MULTIPLIER,
* UNUM_GROUPING_SIZE, UNUM_ROUNDING_MODE, UNUM_FORMAT_WIDTH, UNUM_PADDING_POSITION, UNUM_SECONDARY_GROUPING_SIZE.
* @return The value of attr.
* @see unum_setAttribute
* @see unum_getDoubleAttribute
* @see unum_setDoubleAttribute
* @see unum_getTextAttribute
* @see unum_setTextAttribute
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
unum_getAttribute(const UNumberFormat* fmt,
UNumberFormatAttribute attr);
/**
* Set a numeric attribute associated with a UNumberFormat.
* An example of a numeric attribute is the number of integer digits a formatter will produce. If the
* formatter does not understand the attribute, the call is ignored. Rule-based formatters only understand
* the lenient-parse attribute.
* @param fmt The formatter to set.
* @param attr The attribute to set; one of UNUM_PARSE_INT_ONLY, UNUM_GROUPING_USED,
* UNUM_DECIMAL_ALWAYS_SHOWN, UNUM_MAX_INTEGER_DIGITS, UNUM_MIN_INTEGER_DIGITS, UNUM_INTEGER_DIGITS,
* UNUM_MAX_FRACTION_DIGITS, UNUM_MIN_FRACTION_DIGITS, UNUM_FRACTION_DIGITS, UNUM_MULTIPLIER,
* UNUM_GROUPING_SIZE, UNUM_ROUNDING_MODE, UNUM_FORMAT_WIDTH, UNUM_PADDING_POSITION, UNUM_SECONDARY_GROUPING_SIZE,
* or UNUM_LENIENT_PARSE.
* @param newValue The new value of attr.
* @see unum_getAttribute
* @see unum_getDoubleAttribute
* @see unum_setDoubleAttribute
* @see unum_getTextAttribute
* @see unum_setTextAttribute
* @stable ICU 2.0
*/
U_STABLE void U_EXPORT2
unum_setAttribute( UNumberFormat* fmt,
UNumberFormatAttribute attr,
int32_t newValue);
/**
* Get a numeric attribute associated with a UNumberFormat.
* An example of a numeric attribute is the number of integer digits a formatter will produce.
* If the formatter does not understand the attribute, -1 is returned.
* @param fmt The formatter to query.
* @param attr The attribute to query; e.g. UNUM_ROUNDING_INCREMENT.
* @return The value of attr.
* @see unum_getAttribute
* @see unum_setAttribute
* @see unum_setDoubleAttribute
* @see unum_getTextAttribute
* @see unum_setTextAttribute
* @stable ICU 2.0
*/
U_STABLE double U_EXPORT2
unum_getDoubleAttribute(const UNumberFormat* fmt,
UNumberFormatAttribute attr);
/**
* Set a numeric attribute associated with a UNumberFormat.
* An example of a numeric attribute is the number of integer digits a formatter will produce.
* If the formatter does not understand the attribute, this call is ignored.
* @param fmt The formatter to set.
* @param attr The attribute to set; e.g. UNUM_ROUNDING_INCREMENT.
* @param newValue The new value of attr.
* @see unum_getAttribute
* @see unum_setAttribute
* @see unum_getDoubleAttribute
* @see unum_getTextAttribute
* @see unum_setTextAttribute
* @stable ICU 2.0
*/
U_STABLE void U_EXPORT2
unum_setDoubleAttribute( UNumberFormat* fmt,
UNumberFormatAttribute attr,
double newValue);
/** The possible UNumberFormat text attributes @stable ICU 2.0*/
typedef enum UNumberFormatTextAttribute {
/** Positive prefix */
UNUM_POSITIVE_PREFIX,
/** Positive suffix */
UNUM_POSITIVE_SUFFIX,
/** Negative prefix */
UNUM_NEGATIVE_PREFIX,
/** Negative suffix */
UNUM_NEGATIVE_SUFFIX,
/** The character used to pad to the format width. */
UNUM_PADDING_CHARACTER,
/** The ISO currency code */
UNUM_CURRENCY_CODE,
/**
* The default rule set. This is only available with rule-based formatters.
* @stable ICU 3.0
*/
UNUM_DEFAULT_RULESET,
/**
* The public rule sets. This is only available with rule-based formatters.
* This is a read-only attribute. The public rulesets are returned as a
* single string, with each ruleset name delimited by ';' (semicolon).
* @stable ICU 3.0
*/
UNUM_PUBLIC_RULESETS
} UNumberFormatTextAttribute;
/**
* Get a text attribute associated with a UNumberFormat.
* An example of a text attribute is the suffix for positive numbers. If the formatter
* does not understand the attributre, U_UNSUPPORTED_ERROR is returned as the status.
* Rule-based formatters only understand UNUM_DEFAULT_RULESET and UNUM_PUBLIC_RULESETS.
* @param fmt The formatter to query.
* @param tag The attribute to query; one of UNUM_POSITIVE_PREFIX, UNUM_POSITIVE_SUFFIX,
* UNUM_NEGATIVE_PREFIX, UNUM_NEGATIVE_SUFFIX, UNUM_PADDING_CHARACTER, UNUM_CURRENCY_CODE,
* UNUM_DEFAULT_RULESET, or UNUM_PUBLIC_RULESETS.
* @param result A pointer to a buffer to receive the attribute.
* @param resultLength The maximum size of result.
* @param status A pointer to an UErrorCode to receive any errors
* @return The total buffer size needed; if greater than resultLength, the output was truncated.
* @see unum_setTextAttribute
* @see unum_getAttribute
* @see unum_setAttribute
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
unum_getTextAttribute( const UNumberFormat* fmt,
UNumberFormatTextAttribute tag,
UChar* result,
int32_t resultLength,
UErrorCode* status);
/**
* Set a text attribute associated with a UNumberFormat.
* An example of a text attribute is the suffix for positive numbers. Rule-based formatters
* only understand UNUM_DEFAULT_RULESET.
* @param fmt The formatter to set.
* @param tag The attribute to set; one of UNUM_POSITIVE_PREFIX, UNUM_POSITIVE_SUFFIX,
* UNUM_NEGATIVE_PREFIX, UNUM_NEGATIVE_SUFFIX, UNUM_PADDING_CHARACTER, UNUM_CURRENCY_CODE,
* or UNUM_DEFAULT_RULESET.
* @param newValue The new value of attr.
* @param newValueLength The length of newValue, or -1 if null-terminated.
* @param status A pointer to an UErrorCode to receive any errors
* @see unum_getTextAttribute
* @see unum_getAttribute
* @see unum_setAttribute
* @stable ICU 2.0
*/
U_STABLE void U_EXPORT2
unum_setTextAttribute( UNumberFormat* fmt,
UNumberFormatTextAttribute tag,
const UChar* newValue,
int32_t newValueLength,
UErrorCode *status);
/**
* Extract the pattern from a UNumberFormat. The pattern will follow
* the DecimalFormat pattern syntax.
* @param fmt The formatter to query.
* @param isPatternLocalized TRUE if the pattern should be localized,
* FALSE otherwise. This is ignored if the formatter is a rule-based
* formatter.
* @param result A pointer to a buffer to receive the pattern.
* @param resultLength The maximum size of result.
* @param status A pointer to an input-output UErrorCode.
* @return The total buffer size needed; if greater than resultLength,
* the output was truncated.
* @see unum_applyPattern
* @see DecimalFormat
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
unum_toPattern( const UNumberFormat* fmt,
UBool isPatternLocalized,
UChar* result,
int32_t resultLength,
UErrorCode* status);
/**
* Constants for specifying a number format symbol.
* @stable ICU 2.0
*/
typedef enum UNumberFormatSymbol {
/** The decimal separator */
UNUM_DECIMAL_SEPARATOR_SYMBOL = 0,
/** The grouping separator */
UNUM_GROUPING_SEPARATOR_SYMBOL = 1,
/** The pattern separator */
UNUM_PATTERN_SEPARATOR_SYMBOL = 2,
/** The percent sign */
UNUM_PERCENT_SYMBOL = 3,
/** Zero*/
UNUM_ZERO_DIGIT_SYMBOL = 4,
/** Character representing a digit in the pattern */
UNUM_DIGIT_SYMBOL = 5,
/** The minus sign */
UNUM_MINUS_SIGN_SYMBOL = 6,
/** The plus sign */
UNUM_PLUS_SIGN_SYMBOL = 7,
/** The currency symbol */
UNUM_CURRENCY_SYMBOL = 8,
/** The international currency symbol */
UNUM_INTL_CURRENCY_SYMBOL = 9,
/** The monetary separator */
UNUM_MONETARY_SEPARATOR_SYMBOL = 10,
/** The exponential symbol */
UNUM_EXPONENTIAL_SYMBOL = 11,
/** Per mill symbol */
UNUM_PERMILL_SYMBOL = 12,
/** Escape padding character */
UNUM_PAD_ESCAPE_SYMBOL = 13,
/** Infinity symbol */
UNUM_INFINITY_SYMBOL = 14,
/** Nan symbol */
UNUM_NAN_SYMBOL = 15,
/** Significant digit symbol
* @stable ICU 3.0 */
UNUM_SIGNIFICANT_DIGIT_SYMBOL = 16,
/** The monetary grouping separator
* @stable ICU 3.6
*/
UNUM_MONETARY_GROUPING_SEPARATOR_SYMBOL = 17,
/** One
* @draft ICU 4.6
*/
UNUM_ONE_DIGIT_SYMBOL = 18,
/** Two
* @draft ICU 4.6
*/
UNUM_TWO_DIGIT_SYMBOL = 19,
/** Three
* @draft ICU 4.6
*/
UNUM_THREE_DIGIT_SYMBOL = 20,
/** Four
* @draft ICU 4.6
*/
UNUM_FOUR_DIGIT_SYMBOL = 21,
/** Five
* @draft ICU 4.6
*/
UNUM_FIVE_DIGIT_SYMBOL = 22,
/** Six
* @draft ICU 4.6
*/
UNUM_SIX_DIGIT_SYMBOL = 23,
/** Seven
* @draft ICU 4.6
*/
UNUM_SEVEN_DIGIT_SYMBOL = 24,
/** Eight
* @draft ICU 4.6
*/
UNUM_EIGHT_DIGIT_SYMBOL = 25,
/** Nine
* @draft ICU 4.6
*/
UNUM_NINE_DIGIT_SYMBOL = 26,
/** count symbol constants */
UNUM_FORMAT_SYMBOL_COUNT = 27
} UNumberFormatSymbol;
/**
* Get a symbol associated with a UNumberFormat.
* A UNumberFormat uses symbols to represent the special locale-dependent
* characters in a number, for example the percent sign. This API is not
* supported for rule-based formatters.
* @param fmt The formatter to query.
* @param symbol The UNumberFormatSymbol constant for the symbol to get
* @param buffer The string buffer that will receive the symbol string;
* if it is NULL, then only the length of the symbol is returned
* @param size The size of the string buffer
* @param status A pointer to an UErrorCode to receive any errors
* @return The length of the symbol; the buffer is not modified if
* <code>length&gt;=size</code>
* @see unum_setSymbol
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
unum_getSymbol(const UNumberFormat *fmt,
UNumberFormatSymbol symbol,
UChar *buffer,
int32_t size,
UErrorCode *status);
/**
* Set a symbol associated with a UNumberFormat.
* A UNumberFormat uses symbols to represent the special locale-dependent
* characters in a number, for example the percent sign. This API is not
* supported for rule-based formatters.
* @param fmt The formatter to set.
* @param symbol The UNumberFormatSymbol constant for the symbol to set
* @param value The string to set the symbol to
* @param length The length of the string, or -1 for a zero-terminated string
* @param status A pointer to an UErrorCode to receive any errors.
* @see unum_getSymbol
* @stable ICU 2.0
*/
U_STABLE void U_EXPORT2
unum_setSymbol(UNumberFormat *fmt,
UNumberFormatSymbol symbol,
const UChar *value,
int32_t length,
UErrorCode *status);
/**
* Get the locale for this number format object.
* You can choose between valid and actual locale.
* @param fmt The formatter to get the locale from
* @param type type of the locale we're looking for (valid or actual)
* @param status error code for the operation
* @return the locale name
* @stable ICU 2.8
*/
U_STABLE const char* U_EXPORT2
unum_getLocaleByType(const UNumberFormat *fmt,
ULocDataLocaleType type,
UErrorCode* status);
#endif /* #if !UCONFIG_NO_FORMATTING */
#endif
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