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ðŸ“„ alphaindex.h(26.48 KB)
ðŸ“„ appendable.h(8.49 KB)
ðŸ“„ basictz.h(9.15 KB)
ðŸ“„ brkiter.h(27.8 KB)
ðŸ“„ bytestream.h(9.6 KB)
ðŸ“„ bytestrie.h(20.77 KB)
ðŸ“„ bytestriebuilder.h(7.08 KB)
ðŸ“„ calendar.h(105.74 KB)
ðŸ“„ caniter.h(7.43 KB)
ðŸ“„ casemap.h(25.33 KB)
ðŸ“„ char16ptr.h(7.22 KB)
ðŸ“„ chariter.h(24.05 KB)
ðŸ“„ choicfmt.h(23.91 KB)
ðŸ“„ coleitr.h(13.76 KB)
ðŸ“„ coll.h(56.23 KB)
ðŸ“„ compactdecimalformat.h(6.88 KB)
ðŸ“„ curramt.h(3.76 KB)
ðŸ“„ currpinf.h(7.3 KB)
ðŸ“„ currunit.h(4.05 KB)
ðŸ“„ datefmt.h(40.67 KB)
ðŸ“„ dbbi.h(1.19 KB)
ðŸ“„ dcfmtsym.h(20.13 KB)
ðŸ“„ decimfmt.h(87.38 KB)
ðŸ“„ docmain.h(6.97 KB)
ðŸ“„ dtfmtsym.h(37.7 KB)
ðŸ“„ dtintrv.h(3.84 KB)
ðŸ“„ dtitvfmt.h(46.63 KB)
ðŸ“„ dtitvinf.h(18.51 KB)
ðŸ“„ dtptngen.h(25.08 KB)
ðŸ“„ dtrule.h(8.68 KB)
ðŸ“„ edits.h(20.74 KB)
ðŸ“„ enumset.h(2.08 KB)
ðŸ“„ errorcode.h(4.84 KB)
ðŸ“„ fieldpos.h(8.69 KB)
ðŸ“„ filteredbrk.h(5.37 KB)
ðŸ“„ fmtable.h(24.42 KB)
ðŸ“„ format.h(12.5 KB)
ðŸ“„ formattedvalue.h(10.27 KB)
ðŸ“„ fpositer.h(3.04 KB)
ðŸ“„ gender.h(3.33 KB)
ðŸ“„ gregocal.h(31.71 KB)
ðŸ“„ icudataver.h(1.03 KB)
ðŸ“„ icuplug.h(11.88 KB)
ðŸ“„ idna.h(12.7 KB)
ðŸ“„ listformatter.h(9.47 KB)
ðŸ“„ localebuilder.h(11.27 KB)
ðŸ“„ localematcher.h(22.5 KB)
ðŸ“„ localpointer.h(19.69 KB)
ðŸ“„ locdspnm.h(7.12 KB)
ðŸ“„ locid.h(47.4 KB)
ðŸ“„ measfmt.h(11.33 KB)
ðŸ“„ measunit.h(93.31 KB)
ðŸ“„ measure.h(4.32 KB)
ðŸ“„ messagepattern.h(33.71 KB)
ðŸ“„ msgfmt.h(44.11 KB)
ðŸ“„ normalizer2.h(34.03 KB)
ðŸ“„ normlzr.h(30.94 KB)
ðŸ“„ nounit.h(2.69 KB)
ðŸ“„ numberformatter.h(86.31 KB)
ðŸ“„ numberrangeformatter.h(30.14 KB)
ðŸ“„ numfmt.h(49.81 KB)
ðŸ“„ numsys.h(7.19 KB)
ðŸ“„ parseerr.h(3.08 KB)
ðŸ“„ parsepos.h(5.56 KB)
ðŸ“„ platform.h(28.08 KB)
ðŸ“„ plurfmt.h(25.2 KB)
ðŸ“„ plurrule.h(18.39 KB)
ðŸ“„ ptypes.h(3.49 KB)
ðŸ“„ putil.h(6.33 KB)
ðŸ“„ rbbi.h(26.58 KB)
ðŸ“„ rbnf.h(48.73 KB)
ðŸ“„ rbtz.h(15.6 KB)
ðŸ“„ regex.h(84.36 KB)
ðŸ“„ region.h(9.18 KB)
ðŸ“„ reldatefmt.h(22.62 KB)
ðŸ“„ rep.h(9.37 KB)
ðŸ“„ resbund.h(18.07 KB)
ðŸ“„ schriter.h(6.32 KB)
ðŸ“„ scientificnumberformatter.h(6.4 KB)
ðŸ“„ search.h(22.22 KB)
ðŸ“„ selfmt.h(14.3 KB)
ðŸ“„ simpleformatter.h(12.59 KB)
ðŸ“„ simpletz.h(45.44 KB)
ðŸ“„ smpdtfmt.h(70.97 KB)
ðŸ“„ sortkey.h(11.18 KB)
ðŸ“„ std_string.h(1.05 KB)
ðŸ“„ strenum.h(9.92 KB)
ðŸ“„ stringoptions.h(5.79 KB)
ðŸ“„ stringpiece.h(7.38 KB)
ðŸ“„ stringtriebuilder.h(15.33 KB)
ðŸ“„ stsearch.h(21.3 KB)
ðŸ“„ symtable.h(4.27 KB)
ðŸ“„ tblcoll.h(36.61 KB)
ðŸ“„ timezone.h(41.02 KB)
ðŸ“„ tmunit.h(3.38 KB)
ðŸ“„ tmutamt.h(4.9 KB)
ðŸ“„ tmutfmt.h(7.85 KB)
ðŸ“„ translit.h(65.82 KB)
ðŸ“„ tzfmt.h(42.89 KB)
ðŸ“„ tznames.h(16.85 KB)
ðŸ“„ tzrule.h(35.37 KB)
ðŸ“„ tztrans.h(6.12 KB)
ðŸ“„ ubidi.h(89.56 KB)
ðŸ“„ ubiditransform.h(12.65 KB)
ðŸ“„ ubrk.h(23.97 KB)
ðŸ“„ ucal.h(56.9 KB)
ðŸ“„ ucasemap.h(15.18 KB)
ðŸ“„ ucat.h(5.36 KB)
ðŸ“„ uchar.h(140.56 KB)
ðŸ“„ ucharstrie.h(22.58 KB)
ðŸ“„ ucharstriebuilder.h(7.21 KB)
ðŸ“„ uchriter.h(13.2 KB)
ðŸ“„ uclean.h(11.21 KB)
ðŸ“„ ucnv.h(83.09 KB)
ðŸ“„ ucnv_cb.h(6.59 KB)
ðŸ“„ ucnv_err.h(20.99 KB)
ðŸ“„ ucnvsel.h(6.14 KB)
ðŸ“„ ucol.h(61.46 KB)
ðŸ“„ ucoleitr.h(9.46 KB)
ðŸ“„ uconfig.h(12.07 KB)
ðŸ“„ ucpmap.h(5.53 KB)
ðŸ“„ ucptrie.h(22.46 KB)
ðŸ“„ ucsdet.h(14.67 KB)
ðŸ“„ ucurr.h(16.12 KB)
ðŸ“„ udat.h(60.88 KB)
ðŸ“„ udata.h(15.56 KB)
ðŸ“„ udateintervalformat.h(10.03 KB)
ðŸ“„ udatpg.h(26.01 KB)
ðŸ“„ udisplaycontext.h(5.89 KB)
ðŸ“„ uenum.h(7.78 KB)
ðŸ“„ ufieldpositer.h(4.36 KB)
ðŸ“„ uformattable.h(10.94 KB)
ðŸ“„ uformattedvalue.h(12.14 KB)
ðŸ“„ ugender.h(2 KB)
ðŸ“„ uidna.h(33.37 KB)
ðŸ“„ uiter.h(22.77 KB)
ðŸ“„ uldnames.h(10.45 KB)
ðŸ“„ ulistformatter.h(8.83 KB)
ðŸ“„ uloc.h(52.54 KB)
ðŸ“„ ulocdata.h(11.26 KB)
ðŸ“„ umachine.h(14.53 KB)
ðŸ“„ umisc.h(1.33 KB)
ðŸ“„ umsg.h(24.23 KB)
ðŸ“„ umutablecptrie.h(8.24 KB)
ðŸ“„ unifilt.h(3.96 KB)
ðŸ“„ unifunct.h(4.04 KB)
ðŸ“„ unimatch.h(6.1 KB)
ðŸ“„ unirepl.h(3.38 KB)
ðŸ“„ uniset.h(64.9 KB)
ðŸ“„ unistr.h(170.43 KB)
ðŸ“„ unorm.h(20.52 KB)
ðŸ“„ unorm2.h(24.66 KB)
ðŸ“„ unum.h(53.62 KB)
ðŸ“„ unumberformatter.h(25.36 KB)
ðŸ“„ unumsys.h(7.21 KB)
ðŸ“„ uobject.h(10.68 KB)
ðŸ“„ upluralrules.h(7.88 KB)
ðŸ“„ uregex.h(72.05 KB)
ðŸ“„ uregion.h(9.84 KB)
ðŸ“„ ureldatefmt.h(17.26 KB)
ðŸ“„ urename.h(130.97 KB)
ðŸ“„ urep.h(5.38 KB)
ðŸ“„ ures.h(36.54 KB)
ðŸ“„ uscript.h(26.87 KB)
ðŸ“„ usearch.h(38.12 KB)
ðŸ“„ uset.h(40 KB)
ðŸ“„ usetiter.h(9.55 KB)
ðŸ“„ ushape.h(18 KB)
ðŸ“„ uspoof.h(65.9 KB)
ðŸ“„ usprep.h(8.14 KB)
ðŸ“„ ustdio.h(38.54 KB)
ðŸ“„ ustream.h(1.89 KB)
ðŸ“„ ustring.h(72.47 KB)
ðŸ“„ ustringtrie.h(3.15 KB)
ðŸ“„ utext.h(58.13 KB)
ðŸ“„ utf.h(7.86 KB)
ðŸ“„ utf16.h(23.32 KB)
ðŸ“„ utf32.h(763 B)
ðŸ“„ utf8.h(30.96 KB)
ðŸ“„ utf_old.h(45.83 KB)
ðŸ“„ utmscale.h(13.78 KB)
ðŸ“„ utrace.h(15.73 KB)
ðŸ“„ utrans.h(25.52 KB)
ðŸ“„ utypes.h(30.74 KB)
ðŸ“„ uvernum.h(6.67 KB)
ðŸ“„ uversion.h(6 KB)
ðŸ“„ vtzone.h(20.3 KB)

Editing: 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 U_SHOW_CPLUSPLUS_API

#if !UCONFIG_NO_FORMATTING

#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.
 */

// The following cannot have #ifndef U_HIDE_DRAFT_API because
// class FormattedValue depends on it, and FormattedValue cannot be
// hidden becauseclass FormattedNumber (stable ICU 60) depends on it.
#ifndef U_FORCE_HIDE_DRAFT_API
/**
 * 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();

#ifndef U_HIDE_DRAFT_API
    /**
     * 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);
#endif  /* U_HIDE_DRAFT_API */

private:
    int64_t fContext = 0LL;
    int32_t fField = 0;
    int32_t fStart = 0;
    int32_t fLimit = 0;
#ifndef U_HIDE_DRAFT_API
    int32_t fCategory = UFIELD_CATEGORY_UNDEFINED;
#else   /* U_HIDE_DRAFT_API */
    int32_t fCategory = 0;
#endif  /* U_HIDE_DRAFT_API */
    int8_t fConstraint = 0;
};

// The following cannot have #ifndef U_HIDE_DRAFT_API because
// class FormattedNumber (stable ICU 60) depends on it.
/**
 * 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;
};
#endif  // U_FORCE_HIDE_DRAFT_API

U_NAMESPACE_END

#endif /* #if !UCONFIG_NO_FORMATTING */

#endif /* U_SHOW_CPLUSPLUS_API */

#endif // __FORMATTEDVALUE_H__

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