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alphaindex.h	26.54 KB	-rw-r--r--
appendable.h	8.54 KB	-rw-r--r--
basictz.h	9.99 KB	-rw-r--r--
brkiter.h	27.86 KB	-rw-r--r--
bytestream.h	10.75 KB	-rw-r--r--
bytestrie.h	20.8 KB	-rw-r--r--
bytestriebuilder.h	7.48 KB	-rw-r--r--
calendar.h	106.52 KB	-rw-r--r--
caniter.h	7.47 KB	-rw-r--r--
casemap.h	25.42 KB	-rw-r--r--
char16ptr.h	7.22 KB	-rw-r--r--
chariter.h	24.06 KB	-rw-r--r--
choicfmt.h	24 KB	-rw-r--r--
coleitr.h	13.78 KB	-rw-r--r--
coll.h	56.3 KB	-rw-r--r--
compactdecimalformat.h	6.88 KB	-rw-r--r--
curramt.h	3.67 KB	-rw-r--r--
currpinf.h	7.3 KB	-rw-r--r--
currunit.h	4.02 KB	-rw-r--r--
datefmt.h	40.72 KB	-rw-r--r--
dbbi.h	1.19 KB	-rw-r--r--
dcfmtsym.h	20.94 KB	-rw-r--r--
decimfmt.h	87.54 KB	-rw-r--r--
displayoptions.h	7.08 KB	-rw-r--r--
docmain.h	7.3 KB	-rw-r--r--
dtfmtsym.h	38.23 KB	-rw-r--r--
dtintrv.h	3.85 KB	-rw-r--r--
dtitvfmt.h	49.26 KB	-rw-r--r--
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dtptngen.h	28.64 KB	-rw-r--r--
dtrule.h	8.69 KB	-rw-r--r--
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enumset.h	2.08 KB	-rw-r--r--
errorcode.h	4.84 KB	-rw-r--r--
fieldpos.h	8.7 KB	-rw-r--r--
filteredbrk.h	5.37 KB	-rw-r--r--
fmtable.h	24.45 KB	-rw-r--r--
format.h	12.5 KB	-rw-r--r--
formattednumber.h	6.15 KB	-rw-r--r--
formattedvalue.h	9.75 KB	-rw-r--r--
fpositer.h	3.03 KB	-rw-r--r--
gender.h	3.35 KB	-rw-r--r--
gregocal.h	30.03 KB	-rw-r--r--
icudataver.h	1.02 KB	-rw-r--r--
icuplug.h	12.1 KB	-rw-r--r--
idna.h	12.71 KB	-rw-r--r--
listformatter.h	8.59 KB	-rw-r--r--
localebuilder.h	11.08 KB	-rw-r--r--
localematcher.h	26.83 KB	-rw-r--r--
localpointer.h	19.44 KB	-rw-r--r--
locdspnm.h	7.12 KB	-rw-r--r--
locid.h	48.27 KB	-rw-r--r--
measfmt.h	11.42 KB	-rw-r--r--
measunit.h	107.38 KB	-rw-r--r--
measure.h	4.69 KB	-rw-r--r--
messagepattern.h	33.72 KB	-rw-r--r--
msgfmt.h	44.21 KB	-rw-r--r--
normalizer2.h	34.73 KB	-rw-r--r--
normlzr.h	30.97 KB	-rw-r--r--
nounit.h	2.25 KB	-rw-r--r--
numberformatter.h	90.03 KB	-rw-r--r--
numberrangeformatter.h	25.32 KB	-rw-r--r--
numfmt.h	50.26 KB	-rw-r--r--
numsys.h	7.23 KB	-rw-r--r--
parseerr.h	3.08 KB	-rw-r--r--
parsepos.h	5.57 KB	-rw-r--r--
platform.h	27.8 KB	-rw-r--r--
plurfmt.h	25.25 KB	-rw-r--r--
plurrule.h	20.64 KB	-rw-r--r--
ptypes.h	3.49 KB	-rw-r--r--
putil.h	6.32 KB	-rw-r--r--
rbbi.h	32.07 KB	-rw-r--r--
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rbtz.h	15.77 KB	-rw-r--r--
regex.h	84.45 KB	-rw-r--r--
region.h	9.2 KB	-rw-r--r--
reldatefmt.h	22.36 KB	-rw-r--r--
rep.h	9.38 KB	-rw-r--r--
resbund.h	18.11 KB	-rw-r--r--
schriter.h	6.1 KB	-rw-r--r--
scientificnumberformatter.h	6.44 KB	-rw-r--r--
search.h	22.24 KB	-rw-r--r--
selfmt.h	14.35 KB	-rw-r--r--
simpleformatter.h	12.6 KB	-rw-r--r--
simplenumberformatter.h	8.88 KB	-rw-r--r--
simpletz.h	45.65 KB	-rw-r--r--
smpdtfmt.h	71.85 KB	-rw-r--r--
sortkey.h	11.19 KB	-rw-r--r--
std_string.h	1.05 KB	-rw-r--r--
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stringoptions.h	5.79 KB	-rw-r--r--
stringpiece.h	10.05 KB	-rw-r--r--
stringtriebuilder.h	15.5 KB	-rw-r--r--
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tblcoll.h	36.94 KB	-rw-r--r--
timezone.h	45.67 KB	-rw-r--r--
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translit.h	65.83 KB	-rw-r--r--
tzfmt.h	42.96 KB	-rw-r--r--
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ubidi.h	89.61 KB	-rw-r--r--
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ucal.h	64.28 KB	-rw-r--r--
ucasemap.h	15.21 KB	-rw-r--r--
ucat.h	5.35 KB	-rw-r--r--
uchar.h	145.7 KB	-rw-r--r--
ucharstrie.h	22.56 KB	-rw-r--r--
ucharstriebuilder.h	7.48 KB	-rw-r--r--
uchriter.h	13.42 KB	-rw-r--r--
uclean.h	11.21 KB	-rw-r--r--
ucnv.h	83.46 KB	-rw-r--r--
ucnv_cb.h	6.58 KB	-rw-r--r--
ucnv_err.h	20.98 KB	-rw-r--r--
ucnvsel.h	6.24 KB	-rw-r--r--
ucol.h	62.7 KB	-rw-r--r--
ucoleitr.h	9.82 KB	-rw-r--r--
uconfig.h	12.31 KB	-rw-r--r--
ucpmap.h	5.54 KB	-rw-r--r--
ucptrie.h	22.51 KB	-rw-r--r--
ucsdet.h	14.69 KB	-rw-r--r--
ucurr.h	16.72 KB	-rw-r--r--
udat.h	62.36 KB	-rw-r--r--
udata.h	15.63 KB	-rw-r--r--
udateintervalformat.h	11.93 KB	-rw-r--r--
udatpg.h	30.13 KB	-rw-r--r--
udisplaycontext.h	5.94 KB	-rw-r--r--
udisplayoptions.h	8.86 KB	-rw-r--r--
uenum.h	7.79 KB	-rw-r--r--
ufieldpositer.h	4.41 KB	-rw-r--r--
uformattable.h	10.97 KB	-rw-r--r--
uformattednumber.h	8.09 KB	-rw-r--r--
uformattedvalue.h	12.25 KB	-rw-r--r--
ugender.h	2.06 KB	-rw-r--r--
uidna.h	33.43 KB	-rw-r--r--
uiter.h	22.75 KB	-rw-r--r--
uldnames.h	10.48 KB	-rw-r--r--
ulistformatter.h	10.78 KB	-rw-r--r--
uloc.h	54.66 KB	-rw-r--r--
ulocale.h	6.35 KB	-rw-r--r--
ulocbuilder.h	16.72 KB	-rw-r--r--
ulocdata.h	11.3 KB	-rw-r--r--
umachine.h	15 KB	-rw-r--r--
umisc.h	1.34 KB	-rw-r--r--
umsg.h	24.25 KB	-rw-r--r--
umutablecptrie.h	8.3 KB	-rw-r--r--
unifilt.h	4 KB	-rw-r--r--
unifunct.h	4.05 KB	-rw-r--r--
unimatch.h	6.1 KB	-rw-r--r--
unirepl.h	3.38 KB	-rw-r--r--
uniset.h	66.85 KB	-rw-r--r--
unistr.h	171.35 KB	-rw-r--r--
unorm.h	20.55 KB	-rw-r--r--
unorm2.h	25.71 KB	-rw-r--r--
unum.h	55.16 KB	-rw-r--r--
unumberformatter.h	19.68 KB	-rw-r--r--
unumberoptions.h	5.23 KB	-rw-r--r--
unumberrangeformatter.h	15.35 KB	-rw-r--r--
unumsys.h	7.26 KB	-rw-r--r--
uobject.h	10.66 KB	-rw-r--r--
upluralrules.h	8.79 KB	-rw-r--r--
uregex.h	71.99 KB	-rw-r--r--
uregion.h	9.81 KB	-rw-r--r--
ureldatefmt.h	16.98 KB	-rw-r--r--
urename.h	140.82 KB	-rw-r--r--
urep.h	5.38 KB	-rw-r--r--
ures.h	36.65 KB	-rw-r--r--
uscript.h	27.8 KB	-rw-r--r--
usearch.h	39.21 KB	-rw-r--r--
uset.h	45.61 KB	-rw-r--r--
usetiter.h	9.63 KB	-rw-r--r--
ushape.h	18 KB	-rw-r--r--
usimplenumberformatter.h	7.46 KB	-rw-r--r--
uspoof.h	80.32 KB	-rw-r--r--
usprep.h	8.19 KB	-rw-r--r--
ustdio.h	38.56 KB	-rw-r--r--
ustream.h	1.89 KB	-rw-r--r--
ustring.h	72.13 KB	-rw-r--r--
ustringtrie.h	3.15 KB	-rw-r--r--
utext.h	58.1 KB	-rw-r--r--
utf.h	7.87 KB	-rw-r--r--
utf16.h	23.35 KB	-rw-r--r--
utf32.h	763 B	-rw-r--r--
utf8.h	30.83 KB	-rw-r--r--
utf_old.h	45.8 KB	-rw-r--r--
utmscale.h	13.78 KB	-rw-r--r--
utrace.h	17.18 KB	-rw-r--r--
utrans.h	25.54 KB	-rw-r--r--
utypes.h	31.06 KB	-rw-r--r--
uvernum.h	6.33 KB	-rw-r--r--
uversion.h	5.99 KB	-rw-r--r--
vtzone.h	20.69 KB	-rw-r--r--

Code Editor : uformattedvalue.h

// © 2018 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html

#ifndef __UFORMATTEDVALUE_H__
#define __UFORMATTEDVALUE_H__

#include "unicode/utypes.h"

#if !UCONFIG_NO_FORMATTING

#include "unicode/ufieldpositer.h"

/**
 * \file
 * \brief C API: Abstract operations for localized strings.
 * 
 * This file contains declarations for classes that deal with formatted strings. A number
 * of APIs throughout ICU use these classes for expressing their localized output.
 */

/**
 * All possible field categories in ICU. Every entry in this enum corresponds
 * to another enum that exists in ICU.
 * 
 * In the APIs that take a UFieldCategory, an int32_t type is used. Field
 * categories having any of the top four bits turned on are reserved as
 * private-use for external APIs implementing FormattedValue. This means that
 * categories 2^28 and higher or below zero (with the highest bit turned on)
 * are private-use and will not be used by ICU in the future.
 *
 * @stable ICU 64
 */
typedef enum UFieldCategory {
    /**
     * For an undefined field category.
     * 
     * @stable ICU 64
     */
    UFIELD_CATEGORY_UNDEFINED = 0,

/**
     * For fields in UDateFormatField (udat.h), from ICU 3.0.
     *
     * @stable ICU 64
     */
    UFIELD_CATEGORY_DATE,

/**
     * For fields in UNumberFormatFields (unum.h), from ICU 49.
     *
     * @stable ICU 64
     */
    UFIELD_CATEGORY_NUMBER,

/**
     * For fields in UListFormatterField (ulistformatter.h), from ICU 63.
     *
     * @stable ICU 64
     */
    UFIELD_CATEGORY_LIST,

/**
     * For fields in URelativeDateTimeFormatterField (ureldatefmt.h), from ICU 64.
     *
     * @stable ICU 64
     */
    UFIELD_CATEGORY_RELATIVE_DATETIME,

/**
     * Reserved for possible future fields in UDateIntervalFormatField.
     *
     * @internal
     */
    UFIELD_CATEGORY_DATE_INTERVAL,

#ifndef U_HIDE_INTERNAL_API
    /** @internal */
    UFIELD_CATEGORY_COUNT,
#endif  /* U_HIDE_INTERNAL_API */

/**
     * Category for spans in a list.
     *
     * @stable ICU 64
     */
    UFIELD_CATEGORY_LIST_SPAN = 0x1000 + UFIELD_CATEGORY_LIST,

/**
     * Category for spans in a date interval.
     *
     * @stable ICU 64
     */
    UFIELD_CATEGORY_DATE_INTERVAL_SPAN = 0x1000 + UFIELD_CATEGORY_DATE_INTERVAL,

/**
     * Category for spans in a number range.
     *
     * @stable ICU 69
     */
    UFIELD_CATEGORY_NUMBER_RANGE_SPAN = 0x1000 + UFIELD_CATEGORY_NUMBER,

} UFieldCategory;

struct UConstrainedFieldPosition;
/**
 * Represents a span of a string containing a given field.
 *
 * This struct differs from UFieldPosition in the following ways:
 *
 *   1. It has information on the field category.
 *   2. It allows you to set constraints to use when iterating over field positions.
 *   3. It is used for the newer FormattedValue APIs.
 *
 * @stable ICU 64
 */
typedef struct UConstrainedFieldPosition UConstrainedFieldPosition;

/**
 * Creates a new UConstrainedFieldPosition.
 *
 * By default, the UConstrainedFieldPosition has no iteration constraints.
 *
 * @param ec Set if an error occurs.
 * @return The new object, or NULL if an error occurs.
 * @stable ICU 64
 */
U_CAPI UConstrainedFieldPosition* U_EXPORT2
ucfpos_open(UErrorCode* ec);

/**
 * Resets a UConstrainedFieldPosition to its initial state, as if it were newly created.
 *
 * Removes any constraints that may have been set on the instance.
 *
 * @param ucfpos The instance of UConstrainedFieldPosition.
 * @param ec Set if an error occurs.
 * @stable ICU 64
 */
U_CAPI void U_EXPORT2
ucfpos_reset(
    UConstrainedFieldPosition* ucfpos,
    UErrorCode* ec);

/**
 * Destroys a UConstrainedFieldPosition and releases its memory.
 *
 * @param ucfpos The instance of UConstrainedFieldPosition.
 * @stable ICU 64
 */
U_CAPI void U_EXPORT2
ucfpos_close(UConstrainedFieldPosition* ucfpos);

/**
 * Sets a constraint on the field category.
 * 
 * When this instance of UConstrainedFieldPosition is passed to ufmtval_nextPosition,
 * positions are skipped unless they have the given category.
 *
 * Any previously set constraints are cleared.
 *
 * For example, to loop over only the number-related fields:
 *
 *     UConstrainedFieldPosition* ucfpos = ucfpos_open(ec);
 *     ucfpos_constrainCategory(ucfpos, UFIELDCATEGORY_NUMBER_FORMAT, ec);
 *     while (ufmtval_nextPosition(ufmtval, ucfpos, ec)) {
 *         // handle the number-related field position
 *     }
 *     ucfpos_close(ucfpos);
 *
 * Changing the constraint while in the middle of iterating over a FormattedValue
 * does not generally have well-defined behavior.
 *
 * @param ucfpos The instance of UConstrainedFieldPosition.
 * @param category The field category to fix when iterating.
 * @param ec Set if an error occurs.
 * @stable ICU 64
 */
U_CAPI void U_EXPORT2
ucfpos_constrainCategory(
    UConstrainedFieldPosition* ucfpos,
    int32_t category,
    UErrorCode* ec);

/**
 * Sets a constraint on the category and field.
 * 
 * When this instance of UConstrainedFieldPosition is passed to ufmtval_nextPosition,
 * positions are skipped unless they have the given category and field.
 *
 * Any previously set constraints are cleared.
 *
 * For example, to loop over all grouping separators:
 *
 *     UConstrainedFieldPosition* ucfpos = ucfpos_open(ec);
 *     ucfpos_constrainField(ucfpos, UFIELDCATEGORY_NUMBER_FORMAT, UNUM_GROUPING_SEPARATOR_FIELD, ec);
 *     while (ufmtval_nextPosition(ufmtval, ucfpos, ec)) {
 *         // handle the grouping separator position
 *     }
 *     ucfpos_close(ucfpos);
 *
 * Changing the constraint while in the middle of iterating over a FormattedValue
 * does not generally have well-defined behavior.
 *
 * @param ucfpos The instance of UConstrainedFieldPosition.
 * @param category The field category to fix when iterating.
 * @param field The field to fix when iterating.
 * @param ec Set if an error occurs.
 * @stable ICU 64
 */
U_CAPI void U_EXPORT2
ucfpos_constrainField(
    UConstrainedFieldPosition* ucfpos,
    int32_t category,
    int32_t field,
    UErrorCode* ec);

/**
 * Gets the field category for the current position.
 *
 * If a category or field constraint was set, this function returns the constrained
 * category. Otherwise, the return value is well-defined only after
 * ufmtval_nextPosition returns true.
 *
 * @param ucfpos The instance of UConstrainedFieldPosition.
 * @param ec Set if an error occurs.
 * @return The field category saved in the instance.
 * @stable ICU 64
 */
U_CAPI int32_t U_EXPORT2
ucfpos_getCategory(
    const UConstrainedFieldPosition* ucfpos,
    UErrorCode* ec);

/**
 * Gets the field for the current position.
 *
 * If a field constraint was set, this function returns the constrained
 * field. Otherwise, the return value is well-defined only after
 * ufmtval_nextPosition returns true.
 *
 * @param ucfpos The instance of UConstrainedFieldPosition.
 * @param ec Set if an error occurs.
 * @return The field saved in the instance.
 * @stable ICU 64
 */
U_CAPI int32_t U_EXPORT2
ucfpos_getField(
    const UConstrainedFieldPosition* ucfpos,
    UErrorCode* ec);

/**
 * Gets the INCLUSIVE start and EXCLUSIVE end index stored for the current position.
 *
 * The output values are well-defined only after ufmtval_nextPosition returns true.
 *
 * @param ucfpos The instance of UConstrainedFieldPosition.
 * @param pStart Set to the start index saved in the instance. Ignored if nullptr.
 * @param pLimit Set to the end index saved in the instance. Ignored if nullptr.
 * @param ec Set if an error occurs.
 * @stable ICU 64
 */
U_CAPI void U_EXPORT2
ucfpos_getIndexes(
    const UConstrainedFieldPosition* ucfpos,
    int32_t* pStart,
    int32_t* pLimit,
    UErrorCode* ec);

/**
 * Gets an int64 that FormattedValue implementations may use for storage.
 *
 * The initial value is zero.
 *
 * Users of FormattedValue should not need to call this method.
 *
 * @param ucfpos The instance of UConstrainedFieldPosition.
 * @param ec Set if an error occurs.
 * @return The current iteration context from ucfpos_setInt64IterationContext.
 * @stable ICU 64
 */
U_CAPI int64_t U_EXPORT2
ucfpos_getInt64IterationContext(
    const UConstrainedFieldPosition* ucfpos,
    UErrorCode* ec);

/**
 * Sets an int64 that FormattedValue implementations may use for storage.
 *
 * Intended to be used by FormattedValue implementations.
 *
 * @param ucfpos The instance of UConstrainedFieldPosition.
 * @param context The new iteration context.
 * @param ec Set if an error occurs.
 * @stable ICU 64
 */
U_CAPI void U_EXPORT2
ucfpos_setInt64IterationContext(
    UConstrainedFieldPosition* ucfpos,
    int64_t context,
    UErrorCode* ec);

/**
 * Determines whether a given field should be included given the
 * constraints.
 *
 * Intended to be used by FormattedValue implementations.
 *
 * @param ucfpos The instance of UConstrainedFieldPosition.
 * @param category The category to test.
 * @param field The field to test.
 * @param ec Set if an error occurs.
 * @stable ICU 64
 */
U_CAPI UBool U_EXPORT2
ucfpos_matchesField(
    const UConstrainedFieldPosition* ucfpos,
    int32_t category,
    int32_t field,
    UErrorCode* ec);

/**
 * Sets new values for the primary public getters.
 *
 * Intended to be used by FormattedValue implementations.
 *
 * It is up to the implementation to ensure that the user-requested
 * constraints are satisfied. This method does not check!
 *
 * @param ucfpos The instance of UConstrainedFieldPosition.
 * @param category The new field category.
 * @param field The new field.
 * @param start The new inclusive start index.
 * @param limit The new exclusive end index.
 * @param ec Set if an error occurs.
 * @stable ICU 64
 */
U_CAPI void U_EXPORT2
ucfpos_setState(
    UConstrainedFieldPosition* ucfpos,
    int32_t category,
    int32_t field,
    int32_t start,
    int32_t limit,
    UErrorCode* ec);

struct UFormattedValue;
/**
 * An abstract formatted value: a string with associated field attributes.
 * Many formatters format to types compatible with UFormattedValue.
 *
 * @stable ICU 64
 */
typedef struct UFormattedValue UFormattedValue;

/**
 * Returns a pointer to the formatted string. The pointer is owned by the UFormattedValue. The
 * return value is valid only as long as the UFormattedValue is present and unchanged in memory.
 *
 * The return value is NUL-terminated but could contain internal NULs.
 *
 * @param ufmtval
 *         The object containing the formatted string and attributes.
 * @param pLength Output variable for the length of the string. Ignored if NULL.
 * @param ec Set if an error occurs.
 * @return A NUL-terminated char16 string owned by the UFormattedValue.
 * @stable ICU 64
 */
U_CAPI const UChar* U_EXPORT2
ufmtval_getString(
    const UFormattedValue* ufmtval,
    int32_t* pLength,
    UErrorCode* ec);

/**
 * Iterates over field positions in the UFormattedValue. This lets you determine the position
 * of specific types of substrings, like a month or a decimal separator.
 *
 * To loop over all field positions:
 *
 *     UConstrainedFieldPosition* ucfpos = ucfpos_open(ec);
 *     while (ufmtval_nextPosition(ufmtval, ucfpos, ec)) {
 *         // handle the field position; get information from ucfpos
 *     }
 *     ucfpos_close(ucfpos);
 *
 * @param ufmtval
 *         The object containing the formatted string and attributes.
 * @param ucfpos
 *         The object used for iteration state; can provide constraints to iterate over only
 *         one specific category or field;
 *         see ucfpos_constrainCategory
 *         and ucfpos_constrainField.
 * @param ec Set if an error occurs.
 * @return true if another position was found; false otherwise.
 * @stable ICU 64
 */
U_CAPI UBool U_EXPORT2
ufmtval_nextPosition(
    const UFormattedValue* ufmtval,
    UConstrainedFieldPosition* ucfpos,
    UErrorCode* ec);

#if U_SHOW_CPLUSPLUS_API
U_NAMESPACE_BEGIN

/**
 * \class LocalUConstrainedFieldPositionPointer
 * "Smart pointer" class; closes a UConstrainedFieldPosition via ucfpos_close().
 * For most methods see the LocalPointerBase base class.
 *
 * Usage:
 *
 *     LocalUConstrainedFieldPositionPointer ucfpos(ucfpos_open(ec));
 *     // no need to explicitly call ucfpos_close()
 *
 * @stable ICU 64
 */
U_DEFINE_LOCAL_OPEN_POINTER(LocalUConstrainedFieldPositionPointer,
    UConstrainedFieldPosition,
    ucfpos_close);

U_NAMESPACE_END
#endif // U_SHOW_CPLUSPLUS_API

#endif /* #if !UCONFIG_NO_FORMATTING */
#endif // __UFORMATTEDVALUE_H__

${this.title}

Code Editor : uformattedvalue.h