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Name	Size	Permission
alphaindex.h	26.42 KB	-rw-r--r--
appendable.h	8.43 KB	-rw-r--r--
basictz.h	8.84 KB	-rw-r--r--
brkiter.h	27.64 KB	-rw-r--r--
bytestream.h	9.54 KB	-rw-r--r--
bytestrie.h	19.26 KB	-rw-r--r--
bytestriebuilder.h	7.02 KB	-rw-r--r--
calendar.h	105.06 KB	-rw-r--r--
caniter.h	7.37 KB	-rw-r--r--
casemap.h	25.26 KB	-rw-r--r--
char16ptr.h	7.16 KB	-rw-r--r--
chariter.h	24 KB	-rw-r--r--
choicfmt.h	23.85 KB	-rw-r--r--
coleitr.h	13.7 KB	-rw-r--r--
coll.h	55.59 KB	-rw-r--r--
compactdecimalformat.h	6.81 KB	-rw-r--r--
curramt.h	3.69 KB	-rw-r--r--
currpinf.h	7.24 KB	-rw-r--r--
currunit.h	3.99 KB	-rw-r--r--
datefmt.h	40.37 KB	-rw-r--r--
dbbi.h	1.11 KB	-rw-r--r--
dcfmtsym.h	20.1 KB	-rw-r--r--
decimfmt.h	87.82 KB	-rw-r--r--
docmain.h	6.96 KB	-rw-r--r--
dtfmtsym.h	37.64 KB	-rw-r--r--
dtintrv.h	3.78 KB	-rw-r--r--
dtitvfmt.h	46.56 KB	-rw-r--r--
dtitvinf.h	18.46 KB	-rw-r--r--
dtptngen.h	25.08 KB	-rw-r--r--
dtrule.h	8.62 KB	-rw-r--r--
edits.h	20.67 KB	-rw-r--r--
enumset.h	2.08 KB	-rw-r--r--
errorcode.h	4.78 KB	-rw-r--r--
fieldpos.h	8.63 KB	-rw-r--r--
filteredbrk.h	5.24 KB	-rw-r--r--
fmtable.h	24.36 KB	-rw-r--r--
format.h	12.44 KB	-rw-r--r--
formattedvalue.h	9.73 KB	-rw-r--r--
fpositer.h	2.98 KB	-rw-r--r--
gender.h	3.27 KB	-rw-r--r--
gregocal.h	31.57 KB	-rw-r--r--
icudataver.h	1.03 KB	-rw-r--r--
icuplug.h	11.88 KB	-rw-r--r--
idna.h	12.63 KB	-rw-r--r--
listformatter.h	9.42 KB	-rw-r--r--
localebuilder.h	10.54 KB	-rw-r--r--
localpointer.h	19.69 KB	-rw-r--r--
locdspnm.h	7.06 KB	-rw-r--r--
locid.h	44.94 KB	-rw-r--r--
measfmt.h	11.44 KB	-rw-r--r--
measunit.h	88.17 KB	-rw-r--r--
measure.h	4.26 KB	-rw-r--r--
messagepattern.h	33.65 KB	-rw-r--r--
msgfmt.h	44.04 KB	-rw-r--r--
normalizer2.h	33.97 KB	-rw-r--r--
normlzr.h	30.74 KB	-rw-r--r--
nounit.h	2.63 KB	-rw-r--r--
numberformatter.h	84.62 KB	-rw-r--r--
numberrangeformatter.h	29.93 KB	-rw-r--r--
numfmt.h	49.35 KB	-rw-r--r--
numsys.h	7.13 KB	-rw-r--r--
parseerr.h	3.08 KB	-rw-r--r--
parsepos.h	5.5 KB	-rw-r--r--
platform.h	27.1 KB	-rw-r--r--
plurfmt.h	25.18 KB	-rw-r--r--
plurrule.h	18.33 KB	-rw-r--r--
ptypes.h	3.49 KB	-rw-r--r--
putil.h	6.33 KB	-rw-r--r--
rbbi.h	26.42 KB	-rw-r--r--
rbnf.h	49.79 KB	-rw-r--r--
rbtz.h	15.47 KB	-rw-r--r--
regex.h	84.3 KB	-rw-r--r--
region.h	9.12 KB	-rw-r--r--
reldatefmt.h	22.37 KB	-rw-r--r--
rep.h	9.5 KB	-rw-r--r--
resbund.h	18.01 KB	-rw-r--r--
schriter.h	6.26 KB	-rw-r--r--
scientificnumberformatter.h	6.32 KB	-rw-r--r--
search.h	22.21 KB	-rw-r--r--
selfmt.h	14.24 KB	-rw-r--r--
simpleformatter.h	12.53 KB	-rw-r--r--
simpletz.h	45.3 KB	-rw-r--r--
smpdtfmt.h	70.9 KB	-rw-r--r--
sortkey.h	11.12 KB	-rw-r--r--
std_string.h	1015 B	-rw-r--r--
strenum.h	10.04 KB	-rw-r--r--
stringoptions.h	5.79 KB	-rw-r--r--
stringpiece.h	6.46 KB	-rw-r--r--
stringtriebuilder.h	15.27 KB	-rw-r--r--
stsearch.h	21.29 KB	-rw-r--r--
symtable.h	4.21 KB	-rw-r--r--
tblcoll.h	36.4 KB	-rw-r--r--
timezone.h	41.2 KB	-rw-r--r--
tmunit.h	3.29 KB	-rw-r--r--
tmutamt.h	4.8 KB	-rw-r--r--
tmutfmt.h	7.79 KB	-rw-r--r--
translit.h	65.76 KB	-rw-r--r--
tzfmt.h	42.82 KB	-rw-r--r--
tznames.h	16.79 KB	-rw-r--r--
tzrule.h	35.32 KB	-rw-r--r--
tztrans.h	6.07 KB	-rw-r--r--
ubidi.h	89.56 KB	-rw-r--r--
ubiditransform.h	12.65 KB	-rw-r--r--
ubrk.h	23.97 KB	-rw-r--r--
ucal.h	55.54 KB	-rw-r--r--
ucasemap.h	15.18 KB	-rw-r--r--
ucat.h	5.36 KB	-rw-r--r--
uchar.h	140.66 KB	-rw-r--r--
ucharstrie.h	21.06 KB	-rw-r--r--
ucharstriebuilder.h	7.14 KB	-rw-r--r--
uchriter.h	13.14 KB	-rw-r--r--
uclean.h	11.21 KB	-rw-r--r--
ucnv.h	83.09 KB	-rw-r--r--
ucnv_cb.h	6.59 KB	-rw-r--r--
ucnv_err.h	20.99 KB	-rw-r--r--
ucnvsel.h	6.14 KB	-rw-r--r--
ucol.h	61.39 KB	-rw-r--r--
ucoleitr.h	9.46 KB	-rw-r--r--
uconfig.h	12.05 KB	-rw-r--r--
ucpmap.h	5.58 KB	-rw-r--r--
ucptrie.h	22.29 KB	-rw-r--r--
ucsdet.h	14.67 KB	-rw-r--r--
ucurr.h	16.15 KB	-rw-r--r--
udat.h	60.81 KB	-rw-r--r--
udata.h	15.53 KB	-rw-r--r--
udateintervalformat.h	10.03 KB	-rw-r--r--
udatpg.h	25.94 KB	-rw-r--r--
udisplaycontext.h	5.89 KB	-rw-r--r--
uenum.h	7.78 KB	-rw-r--r--
ufieldpositer.h	4.36 KB	-rw-r--r--
uformattable.h	10.94 KB	-rw-r--r--
uformattedvalue.h	12.14 KB	-rw-r--r--
ugender.h	2 KB	-rw-r--r--
uidna.h	33.37 KB	-rw-r--r--
uiter.h	22.77 KB	-rw-r--r--
uldnames.h	10.45 KB	-rw-r--r--
ulistformatter.h	8.83 KB	-rw-r--r--
uloc.h	50.75 KB	-rw-r--r--
ulocdata.h	11.26 KB	-rw-r--r--
umachine.h	13.19 KB	-rw-r--r--
umisc.h	1.33 KB	-rw-r--r--
umsg.h	24.23 KB	-rw-r--r--
umutablecptrie.h	8.28 KB	-rw-r--r--
unifilt.h	3.63 KB	-rw-r--r--
unifunct.h	3.98 KB	-rw-r--r--
unimatch.h	6.04 KB	-rw-r--r--
unirepl.h	3.32 KB	-rw-r--r--
uniset.h	64.88 KB	-rw-r--r--
unistr.h	170.39 KB	-rw-r--r--
unorm.h	20.45 KB	-rw-r--r--
unorm2.h	24.66 KB	-rw-r--r--
unum.h	53.55 KB	-rw-r--r--
unumberformatter.h	25.19 KB	-rw-r--r--
unumsys.h	7.21 KB	-rw-r--r--
uobject.h	10.85 KB	-rw-r--r--
upluralrules.h	7.88 KB	-rw-r--r--
uregex.h	72.05 KB	-rw-r--r--
uregion.h	9.84 KB	-rw-r--r--
ureldatefmt.h	17.26 KB	-rw-r--r--
urename.h	131.4 KB	-rw-r--r--
urep.h	5.38 KB	-rw-r--r--
ures.h	36.54 KB	-rw-r--r--
uscript.h	26.87 KB	-rw-r--r--
usearch.h	38.12 KB	-rw-r--r--
uset.h	40 KB	-rw-r--r--
usetiter.h	9.49 KB	-rw-r--r--
ushape.h	18 KB	-rw-r--r--
uspoof.h	66.03 KB	-rw-r--r--
usprep.h	8.14 KB	-rw-r--r--
ustdio.h	38.54 KB	-rw-r--r--
ustream.h	1.8 KB	-rw-r--r--
ustring.h	72.47 KB	-rw-r--r--
ustringtrie.h	3.15 KB	-rw-r--r--
utext.h	58.11 KB	-rw-r--r--
utf.h	7.86 KB	-rw-r--r--
utf16.h	22.33 KB	-rw-r--r--
utf32.h	763 B	-rw-r--r--
utf8.h	29.96 KB	-rw-r--r--
utf_old.h	43.78 KB	-rw-r--r--
utmscale.h	13.78 KB	-rw-r--r--
utrace.h	13.89 KB	-rw-r--r--
utrans.h	25.54 KB	-rw-r--r--
utypes.h	30.38 KB	-rw-r--r--
uvernum.h	6.67 KB	-rw-r--r--
uversion.h	6.7 KB	-rw-r--r--
vtzone.h	20.17 KB	-rw-r--r--

Code Editor : formattedvalue.h

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

#ifndef __FORMATTEDVALUE_H__
#define __FORMATTEDVALUE_H__

#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#ifndef U_HIDE_DRAFT_API

#include "unicode/appendable.h"
#include "unicode/fpositer.h"
#include "unicode/unistr.h"
#include "unicode/uformattedvalue.h"

U_NAMESPACE_BEGIN

/**
 * \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.
 */

/**
 * Represents a span of a string containing a given field.
 *
 * This class differs from FieldPosition 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.
 *
 * This class is not intended for public subclassing.
 *
 * @draft ICU 64
 */
class U_I18N_API ConstrainedFieldPosition : public UMemory {
  public:

/**
     * Initializes a ConstrainedFieldPosition.
     *
     * By default, the ConstrainedFieldPosition has no iteration constraints.
     *
     * @draft ICU 64
     */
    ConstrainedFieldPosition();

/** @draft ICU 64 */
    ~ConstrainedFieldPosition();

/**
     * Resets this ConstrainedFieldPosition to its initial state, as if it were newly created:
     *
     * - Removes any constraints that may have been set on the instance.
     * - Resets the iteration position.
     *
     * @draft ICU 64
     */
    void reset();

/**
     * Sets a constraint on the field category.
     * 
     * When this instance of ConstrainedFieldPosition is passed to FormattedValue#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:
     *
     *     ConstrainedFieldPosition cfpos;
     *     cfpos.constrainCategory(UFIELDCATEGORY_NUMBER_FORMAT);
     *     while (fmtval.nextPosition(cfpos, status)) {
     *         // handle the number-related field position
     *     }
     *
     * Changing the constraint while in the middle of iterating over a FormattedValue
     * does not generally have well-defined behavior.
     *
     * @param category The field category to fix when iterating.
     * @draft ICU 64
     */
    void constrainCategory(int32_t category);

/**
     * Sets a constraint on the category and field.
     * 
     * When this instance of ConstrainedFieldPosition is passed to FormattedValue#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:
     *
     *     ConstrainedFieldPosition cfpos;
     *     cfpos.constrainField(UFIELDCATEGORY_NUMBER_FORMAT, UNUM_GROUPING_SEPARATOR_FIELD);
     *     while (fmtval.nextPosition(cfpos, status)) {
     *         // handle the grouping separator position
     *     }
     *
     * Changing the constraint while in the middle of iterating over a FormattedValue
     * does not generally have well-defined behavior.
     *
     * @param category The field category to fix when iterating.
     * @param field The field to fix when iterating.
     * @draft ICU 64
     */
    void constrainField(int32_t category, int32_t field);

/**
     * Gets the field category for the current position.
     *
     * The return value is well-defined only after
     * FormattedValue#nextPosition returns TRUE.
     *
     * @return The field category saved in the instance.
     * @draft ICU 64
     */
    inline int32_t getCategory() const {
        return fCategory;
    }

/**
     * Gets the field for the current position.
     *
     * The return value is well-defined only after
     * FormattedValue#nextPosition returns TRUE.
     *
     * @return The field saved in the instance.
     * @draft ICU 64
     */
    inline int32_t getField() const {
        return fField;
    }

/**
     * Gets the INCLUSIVE start index for the current position.
     *
     * The return value is well-defined only after FormattedValue#nextPosition returns TRUE.
     *
     * @return The start index saved in the instance.
     * @draft ICU 64
     */
    inline int32_t getStart() const {
        return fStart;
    }

/**
     * Gets the EXCLUSIVE end index stored for the current position.
     *
     * The return value is well-defined only after FormattedValue#nextPosition returns TRUE.
     *
     * @return The end index saved in the instance.
     * @draft ICU 64
     */
    inline int32_t getLimit() const {
        return fLimit;
    }

////////////////////////////////////////////////////////////////////
    //// The following methods are for FormattedValue implementers; ////
    //// most users can ignore them.                                ////
    ////////////////////////////////////////////////////////////////////

/**
     * 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.
     *
     * @return The current iteration context from {@link #setInt64IterationContext}.
     * @draft ICU 64
     */
    inline int64_t getInt64IterationContext() const {
        return fContext;
    }

/**
     * Sets an int64 that FormattedValue implementations may use for storage.
     *
     * Intended to be used by FormattedValue implementations.
     *
     * @param context The new iteration context.
     * @draft ICU 64
     */
    void setInt64IterationContext(int64_t context);

/**
     * Determines whether a given field should be included given the
     * constraints.
     *
     * Intended to be used by FormattedValue implementations.
     *
     * @param category The category to test.
     * @param field The field to test.
     * @draft ICU 64
     */
    UBool matchesField(int32_t category, int32_t field) const;

/**
     * 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 category The new field category.
     * @param field The new field.
     * @param start The new inclusive start index.
     * @param limit The new exclusive end index.
     * @draft ICU 64
     */
    void setState(
        int32_t category,
        int32_t field,
        int32_t start,
        int32_t limit);

private:
    int64_t fContext = 0LL;
    int32_t fField = 0;
    int32_t fStart = 0;
    int32_t fLimit = 0;
    int32_t fCategory = UFIELD_CATEGORY_UNDEFINED;
    int8_t fConstraint = 0;
};

/**
 * An abstract formatted value: a string with associated field attributes.
 * Many formatters format to classes implementing FormattedValue.
 *
 * @draft ICU 64
 */
class U_I18N_API FormattedValue /* not : public UObject because this is an interface/mixin class */ {
  public:
    /** @draft ICU 64 */
    virtual ~FormattedValue();

/**
     * Returns the formatted string as a self-contained UnicodeString.
     *
     * If you need the string within the current scope only, consider #toTempString.
     *
     * @param status Set if an error occurs.
     * @return a UnicodeString containing the formatted string.
     *
     * @draft ICU 64
     */
    virtual UnicodeString toString(UErrorCode& status) const = 0;

/**
     * Returns the formatted string as a read-only alias to memory owned by the FormattedValue.
     *
     * The return value is valid only as long as this FormattedValue is present and unchanged in
     * memory. If you need the string outside the current scope, consider #toString.
     *
     * The buffer returned by calling UnicodeString#getBuffer() on the return value is
     * guaranteed to be NUL-terminated.
     *
     * @param status Set if an error occurs.
     * @return a temporary UnicodeString containing the formatted string.
     *
     * @draft ICU 64
     */
    virtual UnicodeString toTempString(UErrorCode& status) const = 0;

/**
     * Appends the formatted string to an Appendable.
     *
     * @param appendable
     *         The Appendable to which to append the string output.
     * @param status Set if an error occurs.
     * @return The same Appendable, for chaining.
     *
     * @draft ICU 64
     * @see Appendable
     */
    virtual Appendable& appendTo(Appendable& appendable, UErrorCode& status) const = 0;

/**
     * Iterates over field positions in the FormattedValue. This lets you determine the position
     * of specific types of substrings, like a month or a decimal separator.
     *
     * To loop over all field positions:
     *
     *     ConstrainedFieldPosition cfpos;
     *     while (fmtval.nextPosition(cfpos, status)) {
     *         // handle the field position; get information from cfpos
     *     }
     *
     * @param cfpos
     *         The object used for iteration state. This can provide constraints to iterate over
     *         only one specific category or field;
     *         see ConstrainedFieldPosition#constrainCategory
     *         and ConstrainedFieldPosition#constrainField.
     * @param status Set if an error occurs.
     * @return TRUE if a new occurrence of the field was found;
     *         FALSE otherwise or if an error was set.
     *
     * @draft ICU 64
     */
    virtual UBool nextPosition(ConstrainedFieldPosition& cfpos, UErrorCode& status) const = 0;
};

U_NAMESPACE_END

#endif  /* U_HIDE_DRAFT_API */
#endif /* #if !UCONFIG_NO_FORMATTING */
#endif // __FORMATTEDVALUE_H__

${this.title}

Code Editor : formattedvalue.h