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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
*
* Copyright (C) 2002-2013, International Business Machines
* Corporation and others. All Rights Reserved.
*
*******************************************************************************
* file name: uenum.h
* encoding: UTF-8
* tab size: 8 (not used)
* indentation:2
*
* created on: 2002jul08
* created by: Vladimir Weinstein
*/
#ifndef __UENUM_H
#define __UENUM_H
#include "unicode/utypes.h"
#include "unicode/localpointer.h"
#if U_SHOW_CPLUSPLUS_API
U_NAMESPACE_BEGIN
class StringEnumeration;
U_NAMESPACE_END
#endif
/**
* \file
* \brief C API: String Enumeration
*/
/**
* An enumeration object.
* For usage in C programs.
* @stable ICU 2.2
*/
struct UEnumeration;
/** structure representing an enumeration object instance @stable ICU 2.2 */
typedef struct UEnumeration UEnumeration;
/**
* Disposes of resources in use by the iterator. If en is NULL,
* does nothing. After this call, any char* or UChar* pointer
* returned by uenum_unext() or uenum_next() is invalid.
* @param en UEnumeration structure pointer
* @stable ICU 2.2
*/
U_STABLE void U_EXPORT2
uenum_close(UEnumeration* en);
#if U_SHOW_CPLUSPLUS_API
U_NAMESPACE_BEGIN
/**
* \class LocalUEnumerationPointer
* "Smart pointer" class, closes a UEnumeration via uenum_close().
* For most methods see the LocalPointerBase base class.
*
* @see LocalPointerBase
* @see LocalPointer
* @stable ICU 4.4
*/
U_DEFINE_LOCAL_OPEN_POINTER(LocalUEnumerationPointer, UEnumeration, uenum_close);
U_NAMESPACE_END
#endif
/**
* Returns the number of elements that the iterator traverses. If
* the iterator is out-of-sync with its service, status is set to
* U_ENUM_OUT_OF_SYNC_ERROR.
* This is a convenience function. It can end up being very
* expensive as all the items might have to be pre-fetched (depending
* on the type of data being traversed). Use with caution and only
* when necessary.
* @param en UEnumeration structure pointer
* @param status error code, can be U_ENUM_OUT_OF_SYNC_ERROR if the
* iterator is out of sync.
* @return number of elements in the iterator
* @stable ICU 2.2
*/
U_STABLE int32_t U_EXPORT2
uenum_count(UEnumeration* en, UErrorCode* status);
/**
* Returns the next element in the iterator's list. If there are
* no more elements, returns NULL. If the iterator is out-of-sync
* with its service, status is set to U_ENUM_OUT_OF_SYNC_ERROR and
* NULL is returned. If the native service string is a char* string,
* it is converted to UChar* with the invariant converter.
* The result is terminated by (UChar)0.
* @param en the iterator object
* @param resultLength pointer to receive the length of the result
* (not including the terminating \\0).
* If the pointer is NULL it is ignored.
* @param status the error code, set to U_ENUM_OUT_OF_SYNC_ERROR if
* the iterator is out of sync with its service.
* @return a pointer to the string. The string will be
* zero-terminated. The return pointer is owned by this iterator
* and must not be deleted by the caller. The pointer is valid
* until the next call to any uenum_... method, including
* uenum_next() or uenum_unext(). When all strings have been
* traversed, returns NULL.
* @stable ICU 2.2
*/
U_STABLE const UChar* U_EXPORT2
uenum_unext(UEnumeration* en,
int32_t* resultLength,
UErrorCode* status);
/**
* Returns the next element in the iterator's list. If there are
* no more elements, returns NULL. If the iterator is out-of-sync
* with its service, status is set to U_ENUM_OUT_OF_SYNC_ERROR and
* NULL is returned. If the native service string is a UChar*
* string, it is converted to char* with the invariant converter.
* The result is terminated by (char)0. If the conversion fails
* (because a character cannot be converted) then status is set to
* U_INVARIANT_CONVERSION_ERROR and the return value is undefined
* (but non-NULL).
* @param en the iterator object
* @param resultLength pointer to receive the length of the result
* (not including the terminating \\0).
* If the pointer is NULL it is ignored.
* @param status the error code, set to U_ENUM_OUT_OF_SYNC_ERROR if
* the iterator is out of sync with its service. Set to
* U_INVARIANT_CONVERSION_ERROR if the underlying native string is
* UChar* and conversion to char* with the invariant converter
* fails. This error pertains only to current string, so iteration
* might be able to continue successfully.
* @return a pointer to the string. The string will be
* zero-terminated. The return pointer is owned by this iterator
* and must not be deleted by the caller. The pointer is valid
* until the next call to any uenum_... method, including
* uenum_next() or uenum_unext(). When all strings have been
* traversed, returns NULL.
* @stable ICU 2.2
*/
U_STABLE const char* U_EXPORT2
uenum_next(UEnumeration* en,
int32_t* resultLength,
UErrorCode* status);
/**
* Resets the iterator to the current list of service IDs. This
* re-establishes sync with the service and rewinds the iterator
* to start at the first element.
* @param en the iterator object
* @param status the error code, set to U_ENUM_OUT_OF_SYNC_ERROR if
* the iterator is out of sync with its service.
* @stable ICU 2.2
*/
U_STABLE void U_EXPORT2
uenum_reset(UEnumeration* en, UErrorCode* status);
#if U_SHOW_CPLUSPLUS_API
/**
* Given a StringEnumeration, wrap it in a UEnumeration. The
* StringEnumeration is adopted; after this call, the caller must not
* delete it (regardless of error status).
* @param adopted the C++ StringEnumeration to be wrapped in a UEnumeration.
* @param ec the error code.
* @return a UEnumeration wrapping the adopted StringEnumeration.
* @stable ICU 4.2
*/
U_STABLE UEnumeration* U_EXPORT2
uenum_openFromStringEnumeration(icu::StringEnumeration* adopted, UErrorCode* ec);
#endif
/**
* Given an array of const UChar* strings, return a UEnumeration. String pointers from 0..count-1 must not be null.
* Do not free or modify either the string array or the characters it points to until this object has been destroyed with uenum_close.
* \snippet test/cintltst/uenumtst.c uenum_openUCharStringsEnumeration
* @param strings array of const UChar* strings (each null terminated). All storage is owned by the caller.
* @param count length of the array
* @param ec error code
* @return the new UEnumeration object. Caller is responsible for calling uenum_close to free memory.
* @see uenum_close
* @stable ICU 50
*/
U_STABLE UEnumeration* U_EXPORT2
uenum_openUCharStringsEnumeration(const UChar* const strings[], int32_t count,
UErrorCode* ec);
/* Note: next function is not hidden as draft, as it is used internally (it was formerly an internal function). */
/**
* Given an array of const char* strings (invariant chars only), return a UEnumeration. String pointers from 0..count-1 must not be null.
* Do not free or modify either the string array or the characters it points to until this object has been destroyed with uenum_close.
* \snippet test/cintltst/uenumtst.c uenum_openCharStringsEnumeration
* @param strings array of char* strings (each null terminated). All storage is owned by the caller.
* @param count length of the array
* @param ec error code
* @return the new UEnumeration object. Caller is responsible for calling uenum_close to free memory
* @see uenum_close
* @stable ICU 50
*/
U_STABLE UEnumeration* U_EXPORT2
uenum_openCharStringsEnumeration(const char* const strings[], int32_t count,
UErrorCode* ec);
#endif

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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
* Copyright (C) 1997-2016, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
*
* File ULOC.H
*
* Modification History:
*
* Date Name Description
* 04/01/97 aliu Creation.
* 08/22/98 stephen JDK 1.2 sync.
* 12/08/98 rtg New C API for Locale
* 03/30/99 damiba overhaul
* 03/31/99 helena Javadoc for uloc functions.
* 04/15/99 Madhu Updated Javadoc
********************************************************************************
*/
#ifndef ULOC_H
#define ULOC_H
#include "unicode/utypes.h"
#include "uenum.h"
/**
* \file
* \brief C API: Locale
*
* <h2> ULoc C API for Locale </h2>
* A <code>Locale</code> represents a specific geographical, political,
* or cultural region. An operation that requires a <code>Locale</code> to perform
* its task is called <em>locale-sensitive</em> and uses the <code>Locale</code>
* to tailor information for the user. For example, displaying a number
* is a locale-sensitive operation--the number should be formatted
* according to the customs/conventions of the user's native country,
* region, or culture. In the C APIs, a locales is simply a const char string.
*
* <P>
* You create a <code>Locale</code> with one of the three options listed below.
* Each of the component is separated by '_' in the locale string.
* \htmlonly<blockquote>\endhtmlonly
* <pre>
* \code
* newLanguage
*
* newLanguage + newCountry
*
* newLanguage + newCountry + newVariant
* \endcode
* </pre>
* \htmlonly</blockquote>\endhtmlonly
* The first option is a valid <STRONG>ISO
* Language Code.</STRONG> These codes are the lower-case two-letter
* codes as defined by ISO-639.
* You can find a full list of these codes at a number of sites, such as:
* <BR><a href ="http://www.ics.uci.edu/pub/ietf/http/related/iso639.txt">
* http://www.ics.uci.edu/pub/ietf/http/related/iso639.txt</a>
*
* <P>
* The second option includes an additional <STRONG>ISO Country
* Code.</STRONG> These codes are the upper-case two-letter codes
* as defined by ISO-3166.
* You can find a full list of these codes at a number of sites, such as:
* <BR><a href="http://www.chemie.fu-berlin.de/diverse/doc/ISO_3166.html">
* http://www.chemie.fu-berlin.de/diverse/doc/ISO_3166.html</a>
*
* <P>
* The third option requires another additional information--the
* <STRONG>Variant.</STRONG>
* The Variant codes are vendor and browser-specific.
* For example, use WIN for Windows, MAC for Macintosh, and POSIX for POSIX.
* Where there are two variants, separate them with an underscore, and
* put the most important one first. For
* example, a Traditional Spanish collation might be referenced, with
* "ES", "ES", "Traditional_WIN".
*
* <P>
* Because a <code>Locale</code> is just an identifier for a region,
* no validity check is performed when you specify a <code>Locale</code>.
* If you want to see whether particular resources are available for the
* <code>Locale</code> you asked for, you must query those resources. For
* example, ask the <code>UNumberFormat</code> for the locales it supports
* using its <code>getAvailable</code> method.
* <BR><STRONG>Note:</STRONG> When you ask for a resource for a particular
* locale, you get back the best available match, not necessarily
* precisely what you asked for. For more information, look at
* <code>UResourceBundle</code>.
*
* <P>
* The <code>Locale</code> provides a number of convenient constants
* that you can use to specify the commonly used
* locales. For example, the following refers to a locale
* for the United States:
* \htmlonly<blockquote>\endhtmlonly
* <pre>
* \code
* ULOC_US
* \endcode
* </pre>
* \htmlonly</blockquote>\endhtmlonly
*
* <P>
* Once you've specified a locale you can query it for information about
* itself. Use <code>uloc_getCountry</code> to get the ISO Country Code and
* <code>uloc_getLanguage</code> to get the ISO Language Code. You can
* use <code>uloc_getDisplayCountry</code> to get the
* name of the country suitable for displaying to the user. Similarly,
* you can use <code>uloc_getDisplayLanguage</code> to get the name of
* the language suitable for displaying to the user. Interestingly,
* the <code>uloc_getDisplayXXX</code> methods are themselves locale-sensitive
* and have two versions: one that uses the default locale and one
* that takes a locale as an argument and displays the name or country in
* a language appropriate to that locale.
*
* <P>
* The ICU provides a number of services that perform locale-sensitive
* operations. For example, the <code>unum_xxx</code> functions format
* numbers, currency, or percentages in a locale-sensitive manner.
* </P>
* \htmlonly<blockquote>\endhtmlonly
* <pre>
* \code
* UErrorCode success = U_ZERO_ERROR;
* UNumberFormat *nf;
* const char* myLocale = "fr_FR";
*
* nf = unum_open( UNUM_DEFAULT, NULL, success );
* unum_close(nf);
* nf = unum_open( UNUM_CURRENCY, NULL, success );
* unum_close(nf);
* nf = unum_open( UNUM_PERCENT, NULL, success );
* unum_close(nf);
* \endcode
* </pre>
* \htmlonly</blockquote>\endhtmlonly
* Each of these methods has two variants; one with an explicit locale
* and one without; the latter using the default locale.
* \htmlonly<blockquote>\endhtmlonly
* <pre>
* \code
*
* nf = unum_open( UNUM_DEFAULT, myLocale, success );
* unum_close(nf);
* nf = unum_open( UNUM_CURRENCY, myLocale, success );
* unum_close(nf);
* nf = unum_open( UNUM_PERCENT, myLocale, success );
* unum_close(nf);
* \endcode
* </pre>
* \htmlonly</blockquote>\endhtmlonly
* A <code>Locale</code> is the mechanism for identifying the kind of services
* (<code>UNumberFormat</code>) that you would like to get. The locale is
* <STRONG>just</STRONG> a mechanism for identifying these services.
*
* <P>
* Each international service that performs locale-sensitive operations
* allows you
* to get all the available objects of that type. You can sift
* through these objects by language, country, or variant,
* and use the display names to present a menu to the user.
* For example, you can create a menu of all the collation objects
* suitable for a given language. Such classes implement these
* three class methods:
* \htmlonly<blockquote>\endhtmlonly
* <pre>
* \code
* const char* uloc_getAvailable(int32_t index);
* int32_t uloc_countAvailable();
* int32_t
* uloc_getDisplayName(const char* localeID,
* const char* inLocaleID,
* UChar* result,
* int32_t maxResultSize,
* UErrorCode* err);
*
* \endcode
* </pre>
* \htmlonly</blockquote>\endhtmlonly
* <P>
* Concerning POSIX/RFC1766 Locale IDs,
* the getLanguage/getCountry/getVariant/getName functions do understand
* the POSIX type form of language_COUNTRY.ENCODING\@VARIANT
* and if there is not an ICU-stype variant, uloc_getVariant() for example
* will return the one listed after the \@at sign. As well, the hyphen
* "-" is recognized as a country/variant separator similarly to RFC1766.
* So for example, "en-us" will be interpreted as en_US.
* As a result, uloc_getName() is far from a no-op, and will have the
* effect of converting POSIX/RFC1766 IDs into ICU form, although it does
* NOT map any of the actual codes (i.e. russian->ru) in any way.
* Applications should call uloc_getName() at the point where a locale ID
* is coming from an external source (user entry, OS, web browser)
* and pass the resulting string to other ICU functions. For example,
* don't use de-de\@EURO as an argument to resourcebundle.
*
* @see UResourceBundle
*/
/** Useful constant for this language. @stable ICU 2.0 */
#define ULOC_CHINESE "zh"
/** Useful constant for this language. @stable ICU 2.0 */
#define ULOC_ENGLISH "en"
/** Useful constant for this language. @stable ICU 2.0 */
#define ULOC_FRENCH "fr"
/** Useful constant for this language. @stable ICU 2.0 */
#define ULOC_GERMAN "de"
/** Useful constant for this language. @stable ICU 2.0 */
#define ULOC_ITALIAN "it"
/** Useful constant for this language. @stable ICU 2.0 */
#define ULOC_JAPANESE "ja"
/** Useful constant for this language. @stable ICU 2.0 */
#define ULOC_KOREAN "ko"
/** Useful constant for this language. @stable ICU 2.0 */
#define ULOC_SIMPLIFIED_CHINESE "zh_CN"
/** Useful constant for this language. @stable ICU 2.0 */
#define ULOC_TRADITIONAL_CHINESE "zh_TW"
/** Useful constant for this country/region. @stable ICU 2.0 */
#define ULOC_CANADA "en_CA"
/** Useful constant for this country/region. @stable ICU 2.0 */
#define ULOC_CANADA_FRENCH "fr_CA"
/** Useful constant for this country/region. @stable ICU 2.0 */
#define ULOC_CHINA "zh_CN"
/** Useful constant for this country/region. @stable ICU 2.0 */
#define ULOC_PRC "zh_CN"
/** Useful constant for this country/region. @stable ICU 2.0 */
#define ULOC_FRANCE "fr_FR"
/** Useful constant for this country/region. @stable ICU 2.0 */
#define ULOC_GERMANY "de_DE"
/** Useful constant for this country/region. @stable ICU 2.0 */
#define ULOC_ITALY "it_IT"
/** Useful constant for this country/region. @stable ICU 2.0 */
#define ULOC_JAPAN "ja_JP"
/** Useful constant for this country/region. @stable ICU 2.0 */
#define ULOC_KOREA "ko_KR"
/** Useful constant for this country/region. @stable ICU 2.0 */
#define ULOC_TAIWAN "zh_TW"
/** Useful constant for this country/region. @stable ICU 2.0 */
#define ULOC_UK "en_GB"
/** Useful constant for this country/region. @stable ICU 2.0 */
#define ULOC_US "en_US"
/**
* Useful constant for the maximum size of the language part of a locale ID.
* (including the terminating NULL).
* @stable ICU 2.0
*/
#define ULOC_LANG_CAPACITY 12
/**
* Useful constant for the maximum size of the country part of a locale ID
* (including the terminating NULL).
* @stable ICU 2.0
*/
#define ULOC_COUNTRY_CAPACITY 4
/**
* Useful constant for the maximum size of the whole locale ID
* (including the terminating NULL and all keywords).
* @stable ICU 2.0
*/
#define ULOC_FULLNAME_CAPACITY 157
/**
* Useful constant for the maximum size of the script part of a locale ID
* (including the terminating NULL).
* @stable ICU 2.8
*/
#define ULOC_SCRIPT_CAPACITY 6
/**
* Useful constant for the maximum size of keywords in a locale
* @stable ICU 2.8
*/
#define ULOC_KEYWORDS_CAPACITY 96
/**
* Useful constant for the maximum total size of keywords and their values in a locale
* @stable ICU 2.8
*/
#define ULOC_KEYWORD_AND_VALUES_CAPACITY 100
/**
* Invariant character separating keywords from the locale string
* @stable ICU 2.8
*/
#define ULOC_KEYWORD_SEPARATOR '@'
/**
* Unicode code point for '@' separating keywords from the locale string.
* @see ULOC_KEYWORD_SEPARATOR
* @stable ICU 4.6
*/
#define ULOC_KEYWORD_SEPARATOR_UNICODE 0x40
/**
* Invariant character for assigning value to a keyword
* @stable ICU 2.8
*/
#define ULOC_KEYWORD_ASSIGN '='
/**
* Unicode code point for '=' for assigning value to a keyword.
* @see ULOC_KEYWORD_ASSIGN
* @stable ICU 4.6
*/
#define ULOC_KEYWORD_ASSIGN_UNICODE 0x3D
/**
* Invariant character separating keywords
* @stable ICU 2.8
*/
#define ULOC_KEYWORD_ITEM_SEPARATOR ';'
/**
* Unicode code point for ';' separating keywords
* @see ULOC_KEYWORD_ITEM_SEPARATOR
* @stable ICU 4.6
*/
#define ULOC_KEYWORD_ITEM_SEPARATOR_UNICODE 0x3B
/**
* Constants for *_getLocale()
* Allow user to select whether she wants information on
* requested, valid or actual locale.
* For example, a collator for "en_US_CALIFORNIA" was
* requested. In the current state of ICU (2.0),
* the requested locale is "en_US_CALIFORNIA",
* the valid locale is "en_US" (most specific locale supported by ICU)
* and the actual locale is "root" (the collation data comes unmodified
* from the UCA)
* The locale is considered supported by ICU if there is a core ICU bundle
* for that locale (although it may be empty).
* @stable ICU 2.1
*/
typedef enum {
/** This is locale the data actually comes from
* @stable ICU 2.1
*/
ULOC_ACTUAL_LOCALE = 0,
/** This is the most specific locale supported by ICU
* @stable ICU 2.1
*/
ULOC_VALID_LOCALE = 1,
#ifndef U_HIDE_DEPRECATED_API
/** This is the requested locale
* @deprecated ICU 2.8
*/
ULOC_REQUESTED_LOCALE = 2,
/**
* One more than the highest normal ULocDataLocaleType value.
* @deprecated ICU 58 The numeric value may change over time, see ICU ticket #12420.
*/
ULOC_DATA_LOCALE_TYPE_LIMIT = 3
#endif // U_HIDE_DEPRECATED_API
} ULocDataLocaleType;
#ifndef U_HIDE_SYSTEM_API
/**
* Gets ICU's default locale.
* The returned string is a snapshot in time, and will remain valid
* and unchanged even when uloc_setDefault() is called.
* The returned storage is owned by ICU, and must not be altered or deleted
* by the caller.
*
* @return the ICU default locale
* @system
* @stable ICU 2.0
*/
U_STABLE const char* U_EXPORT2
uloc_getDefault(void);
/**
* Sets ICU's default locale.
* By default (without calling this function), ICU's default locale will be based
* on information obtained from the underlying system environment.
* <p>
* Changes to ICU's default locale do not propagate back to the
* system environment.
* <p>
* Changes to ICU's default locale to not affect any ICU services that
* may already be open based on the previous default locale value.
*
* @param localeID the new ICU default locale. A value of NULL will try to get
* the system's default locale.
* @param status the error information if the setting of default locale fails
* @system
* @stable ICU 2.0
*/
U_STABLE void U_EXPORT2
uloc_setDefault(const char* localeID,
UErrorCode* status);
#endif /* U_HIDE_SYSTEM_API */
/**
* Gets the language code for the specified locale.
*
* @param localeID the locale to get the ISO language code with
* @param language the language code for localeID
* @param languageCapacity the size of the language buffer to store the
* language code with
* @param err error information if retrieving the language code failed
* @return the actual buffer size needed for the language code. If it's greater
* than languageCapacity, the returned language code will be truncated.
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
uloc_getLanguage(const char* localeID,
char* language,
int32_t languageCapacity,
UErrorCode* err);
/**
* Gets the script code for the specified locale.
*
* @param localeID the locale to get the ISO language code with
* @param script the language code for localeID
* @param scriptCapacity the size of the language buffer to store the
* language code with
* @param err error information if retrieving the language code failed
* @return the actual buffer size needed for the language code. If it's greater
* than scriptCapacity, the returned language code will be truncated.
* @stable ICU 2.8
*/
U_STABLE int32_t U_EXPORT2
uloc_getScript(const char* localeID,
char* script,
int32_t scriptCapacity,
UErrorCode* err);
/**
* Gets the country code for the specified locale.
*
* @param localeID the locale to get the country code with
* @param country the country code for localeID
* @param countryCapacity the size of the country buffer to store the
* country code with
* @param err error information if retrieving the country code failed
* @return the actual buffer size needed for the country code. If it's greater
* than countryCapacity, the returned country code will be truncated.
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
uloc_getCountry(const char* localeID,
char* country,
int32_t countryCapacity,
UErrorCode* err);
/**
* Gets the variant code for the specified locale.
*
* @param localeID the locale to get the variant code with
* @param variant the variant code for localeID
* @param variantCapacity the size of the variant buffer to store the
* variant code with
* @param err error information if retrieving the variant code failed
* @return the actual buffer size needed for the variant code. If it's greater
* than variantCapacity, the returned variant code will be truncated.
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
uloc_getVariant(const char* localeID,
char* variant,
int32_t variantCapacity,
UErrorCode* err);
/**
* Gets the full name for the specified locale.
* Note: This has the effect of 'canonicalizing' the ICU locale ID to
* a certain extent. Upper and lower case are set as needed.
* It does NOT map aliased names in any way.
* See the top of this header file.
* This API supports preflighting.
*
* @param localeID the locale to get the full name with
* @param name fill in buffer for the name without keywords.
* @param nameCapacity capacity of the fill in buffer.
* @param err error information if retrieving the full name failed
* @return the actual buffer size needed for the full name. If it's greater
* than nameCapacity, the returned full name will be truncated.
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
uloc_getName(const char* localeID,
char* name,
int32_t nameCapacity,
UErrorCode* err);
/**
* Gets the full name for the specified locale.
* Note: This has the effect of 'canonicalizing' the string to
* a certain extent. Upper and lower case are set as needed,
* and if the components were in 'POSIX' format they are changed to
* ICU format. It does NOT map aliased names in any way.
* See the top of this header file.
*
* @param localeID the locale to get the full name with
* @param name the full name for localeID
* @param nameCapacity the size of the name buffer to store the
* full name with
* @param err error information if retrieving the full name failed
* @return the actual buffer size needed for the full name. If it's greater
* than nameCapacity, the returned full name will be truncated.
* @stable ICU 2.8
*/
U_STABLE int32_t U_EXPORT2
uloc_canonicalize(const char* localeID,
char* name,
int32_t nameCapacity,
UErrorCode* err);
/**
* Gets the ISO language code for the specified locale.
*
* @param localeID the locale to get the ISO language code with
* @return language the ISO language code for localeID
* @stable ICU 2.0
*/
U_STABLE const char* U_EXPORT2
uloc_getISO3Language(const char* localeID);
/**
* Gets the ISO country code for the specified locale.
*
* @param localeID the locale to get the ISO country code with
* @return country the ISO country code for localeID
* @stable ICU 2.0
*/
U_STABLE const char* U_EXPORT2
uloc_getISO3Country(const char* localeID);
/**
* Gets the Win32 LCID value for the specified locale.
* If the ICU locale is not recognized by Windows, 0 will be returned.
*
* LCIDs were deprecated with Windows Vista and Microsoft recommends
* that developers use BCP47 style tags instead (uloc_toLanguageTag).
*
* @param localeID the locale to get the Win32 LCID value with
* @return country the Win32 LCID for localeID
* @stable ICU 2.0
*/
U_STABLE uint32_t U_EXPORT2
uloc_getLCID(const char* localeID);
/**
* Gets the language name suitable for display for the specified locale.
*
* @param locale the locale to get the ISO language code with
* @param displayLocale Specifies the locale to be used to display the name. In other words,
* if the locale's language code is "en", passing Locale::getFrench() for
* inLocale would result in "Anglais", while passing Locale::getGerman()
* for inLocale would result in "Englisch".
* @param language the displayable language code for localeID
* @param languageCapacity the size of the language buffer to store the
* displayable language code with
* @param status error information if retrieving the displayable language code failed
* @return the actual buffer size needed for the displayable language code. If it's greater
* than languageCapacity, the returned language code will be truncated.
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
uloc_getDisplayLanguage(const char* locale,
const char* displayLocale,
UChar* language,
int32_t languageCapacity,
UErrorCode* status);
/**
* Gets the script name suitable for display for the specified locale.
*
* @param locale the locale to get the displayable script code with. NULL may be used to specify the default.
* @param displayLocale Specifies the locale to be used to display the name. In other words,
* if the locale's language code is "en", passing Locale::getFrench() for
* inLocale would result in "", while passing Locale::getGerman()
* for inLocale would result in "". NULL may be used to specify the default.
* @param script the displayable script for the localeID
* @param scriptCapacity the size of the script buffer to store the
* displayable script code with
* @param status error information if retrieving the displayable script code failed
* @return the actual buffer size needed for the displayable script code. If it's greater
* than scriptCapacity, the returned displayable script code will be truncated.
* @stable ICU 2.8
*/
U_STABLE int32_t U_EXPORT2
uloc_getDisplayScript(const char* locale,
const char* displayLocale,
UChar* script,
int32_t scriptCapacity,
UErrorCode* status);
/**
* Gets the country name suitable for display for the specified locale.
* Warning: this is for the region part of a valid locale ID; it cannot just be the region code (like "FR").
* To get the display name for a region alone, or for other options, use ULocaleDisplayNames instead.
*
* @param locale the locale to get the displayable country code with. NULL may be used to specify the default.
* @param displayLocale Specifies the locale to be used to display the name. In other words,
* if the locale's language code is "en", passing Locale::getFrench() for
* inLocale would result in "Anglais", while passing Locale::getGerman()
* for inLocale would result in "Englisch". NULL may be used to specify the default.
* @param country the displayable country code for localeID
* @param countryCapacity the size of the country buffer to store the
* displayable country code with
* @param status error information if retrieving the displayable country code failed
* @return the actual buffer size needed for the displayable country code. If it's greater
* than countryCapacity, the returned displayable country code will be truncated.
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
uloc_getDisplayCountry(const char* locale,
const char* displayLocale,
UChar* country,
int32_t countryCapacity,
UErrorCode* status);
/**
* Gets the variant name suitable for display for the specified locale.
*
* @param locale the locale to get the displayable variant code with. NULL may be used to specify the default.
* @param displayLocale Specifies the locale to be used to display the name. In other words,
* if the locale's language code is "en", passing Locale::getFrench() for
* inLocale would result in "Anglais", while passing Locale::getGerman()
* for inLocale would result in "Englisch". NULL may be used to specify the default.
* @param variant the displayable variant code for localeID
* @param variantCapacity the size of the variant buffer to store the
* displayable variant code with
* @param status error information if retrieving the displayable variant code failed
* @return the actual buffer size needed for the displayable variant code. If it's greater
* than variantCapacity, the returned displayable variant code will be truncated.
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
uloc_getDisplayVariant(const char* locale,
const char* displayLocale,
UChar* variant,
int32_t variantCapacity,
UErrorCode* status);
/**
* Gets the keyword name suitable for display for the specified locale.
* E.g: for the locale string de_DE\@collation=PHONEBOOK, this API gets the display
* string for the keyword collation.
* Usage:
* <code>
* UErrorCode status = U_ZERO_ERROR;
* const char* keyword =NULL;
* int32_t keywordLen = 0;
* int32_t keywordCount = 0;
* UChar displayKeyword[256];
* int32_t displayKeywordLen = 0;
* UEnumeration* keywordEnum = uloc_openKeywords("de_DE@collation=PHONEBOOK;calendar=TRADITIONAL", &status);
* for(keywordCount = uenum_count(keywordEnum, &status); keywordCount > 0 ; keywordCount--){
* if(U_FAILURE(status)){
* ...something went wrong so handle the error...
* break;
* }
* // the uenum_next returns NUL terminated string
* keyword = uenum_next(keywordEnum, &keywordLen, &status);
* displayKeywordLen = uloc_getDisplayKeyword(keyword, "en_US", displayKeyword, 256);
* ... do something interesting .....
* }
* uenum_close(keywordEnum);
* </code>
* @param keyword The keyword whose display string needs to be returned.
* @param displayLocale Specifies the locale to be used to display the name. In other words,
* if the locale's language code is "en", passing Locale::getFrench() for
* inLocale would result in "Anglais", while passing Locale::getGerman()
* for inLocale would result in "Englisch". NULL may be used to specify the default.
* @param dest the buffer to which the displayable keyword should be written.
* @param destCapacity The size of the buffer (number of UChars). If it is 0, then
* dest may be NULL and the function will only return the length of the
* result without writing any of the result string (pre-flighting).
* @param status error information if retrieving the displayable string failed.
* Should not be NULL and should not indicate failure on entry.
* @return the actual buffer size needed for the displayable variant code.
* @see #uloc_openKeywords
* @stable ICU 2.8
*/
U_STABLE int32_t U_EXPORT2
uloc_getDisplayKeyword(const char* keyword,
const char* displayLocale,
UChar* dest,
int32_t destCapacity,
UErrorCode* status);
/**
* Gets the value of the keyword suitable for display for the specified locale.
* E.g: for the locale string de_DE\@collation=PHONEBOOK, this API gets the display
* string for PHONEBOOK, in the display locale, when "collation" is specified as the keyword.
*
* @param locale The locale to get the displayable variant code with. NULL may be used to specify the default.
* @param keyword The keyword for whose value should be used.
* @param displayLocale Specifies the locale to be used to display the name. In other words,
* if the locale's language code is "en", passing Locale::getFrench() for
* inLocale would result in "Anglais", while passing Locale::getGerman()
* for inLocale would result in "Englisch". NULL may be used to specify the default.
* @param dest the buffer to which the displayable keyword should be written.
* @param destCapacity The size of the buffer (number of UChars). If it is 0, then
* dest may be NULL and the function will only return the length of the
* result without writing any of the result string (pre-flighting).
* @param status error information if retrieving the displayable string failed.
* Should not be NULL and must not indicate failure on entry.
* @return the actual buffer size needed for the displayable variant code.
* @stable ICU 2.8
*/
U_STABLE int32_t U_EXPORT2
uloc_getDisplayKeywordValue( const char* locale,
const char* keyword,
const char* displayLocale,
UChar* dest,
int32_t destCapacity,
UErrorCode* status);
/**
* Gets the full name suitable for display for the specified locale.
*
* @param localeID the locale to get the displayable name with. NULL may be used to specify the default.
* @param inLocaleID Specifies the locale to be used to display the name. In other words,
* if the locale's language code is "en", passing Locale::getFrench() for
* inLocale would result in "Anglais", while passing Locale::getGerman()
* for inLocale would result in "Englisch". NULL may be used to specify the default.
* @param result the displayable name for localeID
* @param maxResultSize the size of the name buffer to store the
* displayable full name with
* @param err error information if retrieving the displayable name failed
* @return the actual buffer size needed for the displayable name. If it's greater
* than maxResultSize, the returned displayable name will be truncated.
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
uloc_getDisplayName(const char* localeID,
const char* inLocaleID,
UChar* result,
int32_t maxResultSize,
UErrorCode* err);
/**
* Gets the specified locale from a list of all available locales.
* The return value is a pointer to an item of
* a locale name array. Both this array and the pointers
* it contains are owned by ICU and should not be deleted or written through
* by the caller. The locale name is terminated by a null pointer.
* @param n the specific locale name index of the available locale list
* @return a specified locale name of all available locales
* @stable ICU 2.0
*/
U_STABLE const char* U_EXPORT2
uloc_getAvailable(int32_t n);
/**
* Gets the size of the all available locale list.
*
* @return the size of the locale list
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2 uloc_countAvailable(void);
/**
*
* Gets a list of all available 2-letter language codes defined in ISO 639,
* plus additional 3-letter codes determined to be useful for locale generation as
* defined by Unicode CLDR. This is a pointer
* to an array of pointers to arrays of char. All of these pointers are owned
* by ICU-- do not delete them, and do not write through them. The array is
* terminated with a null pointer.
* @return a list of all available language codes
* @stable ICU 2.0
*/
U_STABLE const char* const* U_EXPORT2
uloc_getISOLanguages(void);
/**
*
* Gets a list of all available 2-letter country codes defined in ISO 639. This is a
* pointer to an array of pointers to arrays of char. All of these pointers are
* owned by ICU-- do not delete them, and do not write through them. The array is
* terminated with a null pointer.
* @return a list of all available country codes
* @stable ICU 2.0
*/
U_STABLE const char* const* U_EXPORT2
uloc_getISOCountries(void);
/**
* Truncate the locale ID string to get the parent locale ID.
* Copies the part of the string before the last underscore.
* The parent locale ID will be an empty string if there is no
* underscore, or if there is only one underscore at localeID[0].
*
* @param localeID Input locale ID string.
* @param parent Output string buffer for the parent locale ID.
* @param parentCapacity Size of the output buffer.
* @param err A UErrorCode value.
* @return The length of the parent locale ID.
* @stable ICU 2.0
*/
U_STABLE int32_t U_EXPORT2
uloc_getParent(const char* localeID,
char* parent,
int32_t parentCapacity,
UErrorCode* err);
/**
* Gets the full name for the specified locale, like uloc_getName(),
* but without keywords.
*
* Note: This has the effect of 'canonicalizing' the string to
* a certain extent. Upper and lower case are set as needed,
* and if the components were in 'POSIX' format they are changed to
* ICU format. It does NOT map aliased names in any way.
* See the top of this header file.
*
* This API strips off the keyword part, so "de_DE\@collation=phonebook"
* will become "de_DE".
* This API supports preflighting.
*
* @param localeID the locale to get the full name with
* @param name fill in buffer for the name without keywords.
* @param nameCapacity capacity of the fill in buffer.
* @param err error information if retrieving the full name failed
* @return the actual buffer size needed for the full name. If it's greater
* than nameCapacity, the returned full name will be truncated.
* @stable ICU 2.8
*/
U_STABLE int32_t U_EXPORT2
uloc_getBaseName(const char* localeID,
char* name,
int32_t nameCapacity,
UErrorCode* err);
/**
* Gets an enumeration of keywords for the specified locale. Enumeration
* must get disposed of by the client using uenum_close function.
*
* @param localeID the locale to get the variant code with
* @param status error information if retrieving the keywords failed
* @return enumeration of keywords or NULL if there are no keywords.
* @stable ICU 2.8
*/
U_STABLE UEnumeration* U_EXPORT2
uloc_openKeywords(const char* localeID,
UErrorCode* status);
/**
* Get the value for a keyword. Locale name does not need to be normalized.
*
* @param localeID locale name containing the keyword ("de_DE@currency=EURO;collation=PHONEBOOK")
* @param keywordName name of the keyword for which we want the value; must not be
* NULL or empty, and must consist only of [A-Za-z0-9]. Case insensitive.
* @param buffer receiving buffer
* @param bufferCapacity capacity of receiving buffer
* @param status containing error code: e.g. buffer not big enough or ill-formed localeID
* or keywordName parameters.
* @return the length of keyword value
* @stable ICU 2.8
*/
U_STABLE int32_t U_EXPORT2
uloc_getKeywordValue(const char* localeID,
const char* keywordName,
char* buffer, int32_t bufferCapacity,
UErrorCode* status);
/**
* Sets or removes the value of the specified keyword.
*
* For removing all keywords, use uloc_getBaseName().
*
* NOTE: Unlike almost every other ICU function which takes a
* buffer, this function will NOT truncate the output text, and will
* not update the buffer with unterminated text setting a status of
* U_STRING_NOT_TERMINATED_WARNING. If a BUFFER_OVERFLOW_ERROR is received,
* it means a terminated version of the updated locale ID would not fit
* in the buffer, and the original buffer is untouched. This is done to
* prevent incorrect or possibly even malformed locales from being generated
* and used.
*
* @param keywordName name of the keyword to be set; must not be
* NULL or empty, and must consist only of [A-Za-z0-9]. Case insensitive.
* @param keywordValue value of the keyword to be set. If 0-length or
* NULL, will result in the keyword being removed; no error is given if
* that keyword does not exist. Otherwise, must consist only of
* [A-Za-z0-9] and [/_+-].
* @param buffer input buffer containing well-formed locale ID to be
* modified.
* @param bufferCapacity capacity of receiving buffer
* @param status containing error code: e.g. buffer not big enough
* or ill-formed keywordName or keywordValue parameters, or ill-formed
* locale ID in buffer on input.
* @return the length needed for the buffer
* @see uloc_getKeywordValue
* @stable ICU 3.2
*/
U_STABLE int32_t U_EXPORT2
uloc_setKeywordValue(const char* keywordName,
const char* keywordValue,
char* buffer, int32_t bufferCapacity,
UErrorCode* status);
/**
* Returns whether the locale's script is written right-to-left.
* If there is no script subtag, then the likely script is used, see uloc_addLikelySubtags().
* If no likely script is known, then FALSE is returned.
*
* A script is right-to-left according to the CLDR script metadata
* which corresponds to whether the script's letters have Bidi_Class=R or AL.
*
* Returns TRUE for "ar" and "en-Hebr", FALSE for "zh" and "fa-Cyrl".
*
* @param locale input locale ID
* @return TRUE if the locale's script is written right-to-left
* @stable ICU 54
*/
U_STABLE UBool U_EXPORT2
uloc_isRightToLeft(const char *locale);
/**
* enums for the return value for the character and line orientation
* functions.
* @stable ICU 4.0
*/
typedef enum {
ULOC_LAYOUT_LTR = 0, /* left-to-right. */
ULOC_LAYOUT_RTL = 1, /* right-to-left. */
ULOC_LAYOUT_TTB = 2, /* top-to-bottom. */
ULOC_LAYOUT_BTT = 3, /* bottom-to-top. */
ULOC_LAYOUT_UNKNOWN
} ULayoutType;
/**
* Get the layout character orientation for the specified locale.
*
* @param localeId locale name
* @param status Error status
* @return an enum indicating the layout orientation for characters.
* @stable ICU 4.0
*/
U_STABLE ULayoutType U_EXPORT2
uloc_getCharacterOrientation(const char* localeId,
UErrorCode *status);
/**
* Get the layout line orientation for the specified locale.
*
* @param localeId locale name
* @param status Error status
* @return an enum indicating the layout orientation for lines.
* @stable ICU 4.0
*/
U_STABLE ULayoutType U_EXPORT2
uloc_getLineOrientation(const char* localeId,
UErrorCode *status);
/**
* enums for the 'outResult' parameter return value
* @see uloc_acceptLanguageFromHTTP
* @see uloc_acceptLanguage
* @stable ICU 3.2
*/
typedef enum {
ULOC_ACCEPT_FAILED = 0, /* No exact match was found. */
ULOC_ACCEPT_VALID = 1, /* An exact match was found. */
ULOC_ACCEPT_FALLBACK = 2 /* A fallback was found, for example,
Accept list contained 'ja_JP'
which matched available locale 'ja'. */
} UAcceptResult;
/**
* Based on a HTTP header from a web browser and a list of available locales,
* determine an acceptable locale for the user.
* @param result - buffer to accept the result locale
* @param resultAvailable the size of the result buffer.
* @param outResult - An out parameter that contains the fallback status
* @param httpAcceptLanguage - "Accept-Language:" header as per HTTP.
* @param availableLocales - list of available locales to match
* @param status Error status, may be BUFFER_OVERFLOW_ERROR
* @return length needed for the locale.
* @stable ICU 3.2
*/
U_STABLE int32_t U_EXPORT2
uloc_acceptLanguageFromHTTP(char *result, int32_t resultAvailable,
UAcceptResult *outResult,
const char *httpAcceptLanguage,
UEnumeration* availableLocales,
UErrorCode *status);
/**
* Based on a list of available locales,
* determine an acceptable locale for the user.
* @param result - buffer to accept the result locale
* @param resultAvailable the size of the result buffer.
* @param outResult - An out parameter that contains the fallback status
* @param acceptList - list of acceptable languages
* @param acceptListCount - count of acceptList items
* @param availableLocales - list of available locales to match
* @param status Error status, may be BUFFER_OVERFLOW_ERROR
* @return length needed for the locale.
* @stable ICU 3.2
*/
U_STABLE int32_t U_EXPORT2
uloc_acceptLanguage(char *result, int32_t resultAvailable,
UAcceptResult *outResult, const char **acceptList,
int32_t acceptListCount,
UEnumeration* availableLocales,
UErrorCode *status);
/**
* Gets the ICU locale ID for the specified Win32 LCID value.
*
* @param hostID the Win32 LCID to translate
* @param locale the output buffer for the ICU locale ID, which will be NUL-terminated
* if there is room.
* @param localeCapacity the size of the output buffer
* @param status an error is returned if the LCID is unrecognized or the output buffer
* is too small
* @return actual the actual size of the locale ID, not including NUL-termination
* @stable ICU 3.8
*/
U_STABLE int32_t U_EXPORT2
uloc_getLocaleForLCID(uint32_t hostID, char *locale, int32_t localeCapacity,
UErrorCode *status);
/**
* Add the likely subtags for a provided locale ID, per the algorithm described
* in the following CLDR technical report:
*
* http://www.unicode.org/reports/tr35/#Likely_Subtags
*
* If localeID is already in the maximal form, or there is no data available
* for maximization, it will be copied to the output buffer. For example,
* "und-Zzzz" cannot be maximized, since there is no reasonable maximization.
*
* Examples:
*
* "en" maximizes to "en_Latn_US"
*
* "de" maximizes to "de_Latn_US"
*
* "sr" maximizes to "sr_Cyrl_RS"
*
* "sh" maximizes to "sr_Latn_RS" (Note this will not reverse.)
*
* "zh_Hani" maximizes to "zh_Hans_CN" (Note this will not reverse.)
*
* @param localeID The locale to maximize
* @param maximizedLocaleID The maximized locale
* @param maximizedLocaleIDCapacity The capacity of the maximizedLocaleID buffer
* @param err Error information if maximizing the locale failed. If the length
* of the localeID and the null-terminator is greater than the maximum allowed size,
* or the localeId is not well-formed, the error code is U_ILLEGAL_ARGUMENT_ERROR.
* @return The actual buffer size needed for the maximized locale. If it's
* greater than maximizedLocaleIDCapacity, the returned ID will be truncated.
* On error, the return value is -1.
* @stable ICU 4.0
*/
U_STABLE int32_t U_EXPORT2
uloc_addLikelySubtags(const char* localeID,
char* maximizedLocaleID,
int32_t maximizedLocaleIDCapacity,
UErrorCode* err);
/**
* Minimize the subtags for a provided locale ID, per the algorithm described
* in the following CLDR technical report:
*
* http://www.unicode.org/reports/tr35/#Likely_Subtags
*
* If localeID is already in the minimal form, or there is no data available
* for minimization, it will be copied to the output buffer. Since the
* minimization algorithm relies on proper maximization, see the comments
* for uloc_addLikelySubtags for reasons why there might not be any data.
*
* Examples:
*
* "en_Latn_US" minimizes to "en"
*
* "de_Latn_US" minimizes to "de"
*
* "sr_Cyrl_RS" minimizes to "sr"
*
* "zh_Hant_TW" minimizes to "zh_TW" (The region is preferred to the
* script, and minimizing to "zh" would imply "zh_Hans_CN".)
*
* @param localeID The locale to minimize
* @param minimizedLocaleID The minimized locale
* @param minimizedLocaleIDCapacity The capacity of the minimizedLocaleID buffer
* @param err Error information if minimizing the locale failed. If the length
* of the localeID and the null-terminator is greater than the maximum allowed size,
* or the localeId is not well-formed, the error code is U_ILLEGAL_ARGUMENT_ERROR.
* @return The actual buffer size needed for the minimized locale. If it's
* greater than minimizedLocaleIDCapacity, the returned ID will be truncated.
* On error, the return value is -1.
* @stable ICU 4.0
*/
U_STABLE int32_t U_EXPORT2
uloc_minimizeSubtags(const char* localeID,
char* minimizedLocaleID,
int32_t minimizedLocaleIDCapacity,
UErrorCode* err);
/**
* Returns a locale ID for the specified BCP47 language tag string.
* If the specified language tag contains any ill-formed subtags,
* the first such subtag and all following subtags are ignored.
* <p>
* This implements the 'Language-Tag' production of BCP47, and so
* supports grandfathered (regular and irregular) as well as private
* use language tags. Private use tags are represented as 'x-whatever',
* and grandfathered tags are converted to their canonical replacements
* where they exist. Note that a few grandfathered tags have no modern
* replacement, these will be converted using the fallback described in
* the first paragraph, so some information might be lost.
* @param langtag the input BCP47 language tag.
* @param localeID the output buffer receiving a locale ID for the
* specified BCP47 language tag.
* @param localeIDCapacity the size of the locale ID output buffer.
* @param parsedLength if not NULL, successfully parsed length
* for the input language tag is set.
* @param err error information if receiving the locald ID
* failed.
* @return the length of the locale ID.
* @stable ICU 4.2
*/
U_STABLE int32_t U_EXPORT2
uloc_forLanguageTag(const char* langtag,
char* localeID,
int32_t localeIDCapacity,
int32_t* parsedLength,
UErrorCode* err);
/**
* Returns a well-formed language tag for this locale ID.
* <p>
* <b>Note</b>: When <code>strict</code> is FALSE, any locale
* fields which do not satisfy the BCP47 syntax requirement will
* be omitted from the result. When <code>strict</code> is
* TRUE, this function sets U_ILLEGAL_ARGUMENT_ERROR to the
* <code>err</code> if any locale fields do not satisfy the
* BCP47 syntax requirement.
* @param localeID the input locale ID
* @param langtag the output buffer receiving BCP47 language
* tag for the locale ID.
* @param langtagCapacity the size of the BCP47 language tag
* output buffer.
* @param strict boolean value indicating if the function returns
* an error for an ill-formed input locale ID.
* @param err error information if receiving the language
* tag failed.
* @return The length of the BCP47 language tag.
* @stable ICU 4.2
*/
U_STABLE int32_t U_EXPORT2
uloc_toLanguageTag(const char* localeID,
char* langtag,
int32_t langtagCapacity,
UBool strict,
UErrorCode* err);
/**
* Converts the specified keyword (legacy key, or BCP 47 Unicode locale
* extension key) to the equivalent BCP 47 Unicode locale extension key.
* For example, BCP 47 Unicode locale extension key "co" is returned for
* the input keyword "collation".
* <p>
* When the specified keyword is unknown, but satisfies the BCP syntax,
* then the pointer to the input keyword itself will be returned.
* For example,
* <code>uloc_toUnicodeLocaleKey("ZZ")</code> returns "ZZ".
*
* @param keyword the input locale keyword (either legacy key
* such as "collation" or BCP 47 Unicode locale extension
* key such as "co").
* @return the well-formed BCP 47 Unicode locale extension key,
* or NULL if the specified locale keyword cannot be
* mapped to a well-formed BCP 47 Unicode locale extension
* key.
* @see uloc_toLegacyKey
* @stable ICU 54
*/
U_STABLE const char* U_EXPORT2
uloc_toUnicodeLocaleKey(const char* keyword);
/**
* Converts the specified keyword value (legacy type, or BCP 47
* Unicode locale extension type) to the well-formed BCP 47 Unicode locale
* extension type for the specified keyword (category). For example, BCP 47
* Unicode locale extension type "phonebk" is returned for the input
* keyword value "phonebook", with the keyword "collation" (or "co").
* <p>
* When the specified keyword is not recognized, but the specified value
* satisfies the syntax of the BCP 47 Unicode locale extension type,
* or when the specified keyword allows 'variable' type and the specified
* value satisfies the syntax, then the pointer to the input type value itself
* will be returned.
* For example,
* <code>uloc_toUnicodeLocaleType("Foo", "Bar")</code> returns "Bar",
* <code>uloc_toUnicodeLocaleType("variableTop", "00A4")</code> returns "00A4".
*
* @param keyword the locale keyword (either legacy key such as
* "collation" or BCP 47 Unicode locale extension
* key such as "co").
* @param value the locale keyword value (either legacy type
* such as "phonebook" or BCP 47 Unicode locale extension
* type such as "phonebk").
* @return the well-formed BCP47 Unicode locale extension type,
* or NULL if the locale keyword value cannot be mapped to
* a well-formed BCP 47 Unicode locale extension type.
* @see uloc_toLegacyType
* @stable ICU 54
*/
U_STABLE const char* U_EXPORT2
uloc_toUnicodeLocaleType(const char* keyword, const char* value);
/**
* Converts the specified keyword (BCP 47 Unicode locale extension key, or
* legacy key) to the legacy key. For example, legacy key "collation" is
* returned for the input BCP 47 Unicode locale extension key "co".
*
* @param keyword the input locale keyword (either BCP 47 Unicode locale
* extension key or legacy key).
* @return the well-formed legacy key, or NULL if the specified
* keyword cannot be mapped to a well-formed legacy key.
* @see toUnicodeLocaleKey
* @stable ICU 54
*/
U_STABLE const char* U_EXPORT2
uloc_toLegacyKey(const char* keyword);
/**
* Converts the specified keyword value (BCP 47 Unicode locale extension type,
* or legacy type or type alias) to the canonical legacy type. For example,
* the legacy type "phonebook" is returned for the input BCP 47 Unicode
* locale extension type "phonebk" with the keyword "collation" (or "co").
* <p>
* When the specified keyword is not recognized, but the specified value
* satisfies the syntax of legacy key, or when the specified keyword
* allows 'variable' type and the specified value satisfies the syntax,
* then the pointer to the input type value itself will be returned.
* For example,
* <code>uloc_toLegacyType("Foo", "Bar")</code> returns "Bar",
* <code>uloc_toLegacyType("vt", "00A4")</code> returns "00A4".
*
* @param keyword the locale keyword (either legacy keyword such as
* "collation" or BCP 47 Unicode locale extension
* key such as "co").
* @param value the locale keyword value (either BCP 47 Unicode locale
* extension type such as "phonebk" or legacy keyword value
* such as "phonebook").
* @return the well-formed legacy type, or NULL if the specified
* keyword value cannot be mapped to a well-formed legacy
* type.
* @see toUnicodeLocaleType
* @stable ICU 54
*/
U_STABLE const char* U_EXPORT2
uloc_toLegacyType(const char* keyword, const char* value);
#endif /*_ULOC*/

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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
* Copyright (C) 1999-2006, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
* file name: umisc.h
* encoding: UTF-8
* tab size: 8 (not used)
* indentation:4
*
* created on: 1999oct15
* created by: Markus W. Scherer
*/
#ifndef UMISC_H
#define UMISC_H
#include "unicode/utypes.h"
/**
* \file
* \brief C API:misc definitions
*
* This file contains miscellaneous definitions for the C APIs.
*/
U_CDECL_BEGIN
/** A struct representing a range of text containing a specific field
* @stable ICU 2.0
*/
typedef struct UFieldPosition {
/**
* The field
* @stable ICU 2.0
*/
int32_t field;
/**
* The start of the text range containing field
* @stable ICU 2.0
*/
int32_t beginIndex;
/**
* The limit of the text range containing field
* @stable ICU 2.0
*/
int32_t endIndex;
} UFieldPosition;
#if !UCONFIG_NO_SERVICE
/**
* Opaque type returned by registerInstance, registerFactory and unregister for service registration.
* @stable ICU 2.6
*/
typedef const void* URegistryKey;
#endif
U_CDECL_END
#endif

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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