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10/28/2024 06:50:42 AM
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alphaindex.h
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appendable.h
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basictz.h
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brkiter.h
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bytestream.h
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bytestrie.h
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bytestriebuilder.h
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calendar.h
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caniter.h
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casemap.h
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char16ptr.h
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chariter.h
24 KB
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choicfmt.h
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coleitr.h
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coll.h
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compactdecimalformat.h
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curramt.h
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currpinf.h
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currunit.h
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datefmt.h
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dbbi.h
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dcfmtsym.h
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decimfmt.h
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docmain.h
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dtfmtsym.h
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dtintrv.h
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dtitvfmt.h
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dtitvinf.h
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dtptngen.h
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dtrule.h
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edits.h
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enumset.h
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errorcode.h
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fieldpos.h
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filteredbrk.h
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fmtable.h
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format.h
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fpositer.h
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gender.h
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gregocal.h
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icudataver.h
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icuplug.h
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idna.h
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listformatter.h
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localpointer.h
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locdspnm.h
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locid.h
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measfmt.h
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measunit.h
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measure.h
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messagepattern.h
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msgfmt.h
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normalizer2.h
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normlzr.h
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nounit.h
2.6 KB
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numberformatter.h
64.98 KB
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numfmt.h
47.76 KB
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numsys.h
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parseerr.h
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parsepos.h
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platform.h
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plurfmt.h
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plurrule.h
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ptypes.h
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putil.h
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rbbi.h
27.09 KB
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rbnf.h
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rbtz.h
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regex.h
84.91 KB
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region.h
9.12 KB
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reldatefmt.h
14.3 KB
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rep.h
9.5 KB
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resbund.h
18.01 KB
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schriter.h
6.26 KB
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scientificnumberformatter.h
6.59 KB
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search.h
22.21 KB
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selfmt.h
14.24 KB
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simpleformatter.h
11.43 KB
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simpletz.h
45.24 KB
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smpdtfmt.h
70.09 KB
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sortkey.h
11.12 KB
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std_string.h
1015 bytes
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strenum.h
10.04 KB
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stringoptions.h
5.89 KB
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stringpiece.h
6.46 KB
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stringtriebuilder.h
15.2 KB
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stsearch.h
21.29 KB
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symtable.h
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tblcoll.h
36.4 KB
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timezone.h
40.83 KB
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tmunit.h
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tmutamt.h
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tmutfmt.h
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translit.h
54.53 KB
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tzfmt.h
42.81 KB
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tznames.h
16.79 KB
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tzrule.h
35.32 KB
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tztrans.h
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ubidi.h
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ubiditransform.h
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ubrk.h
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ucal.h
54.56 KB
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ucasemap.h
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ucat.h
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uchar.h
131.61 KB
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ucharstrie.h
21.06 KB
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ucharstriebuilder.h
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uchriter.h
13.14 KB
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uclean.h
11.24 KB
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ucnv.h
83.06 KB
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ucnv_cb.h
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ucnv_err.h
20.98 KB
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ucnvsel.h
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ucol.h
61.36 KB
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ucoleitr.h
9.46 KB
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uconfig.h
11.91 KB
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ucsdet.h
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ucurr.h
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udat.h
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udata.h
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udateintervalformat.h
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udatpg.h
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udisplaycontext.h
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uenum.h
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ufieldpositer.h
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uformattable.h
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ugender.h
2 KB
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uidna.h
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uiter.h
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uldnames.h
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ulistformatter.h
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uloc.h
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ulocdata.h
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umachine.h
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umisc.h
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umsg.h
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unifilt.h
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unifunct.h
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unimatch.h
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unirepl.h
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uniset.h
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unistr.h
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unorm.h
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unorm2.h
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unum.h
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unumsys.h
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uobject.h
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upluralrules.h
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uregex.h
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uregion.h
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ureldatefmt.h
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urename.h
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urep.h
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ures.h
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uscript.h
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usearch.h
38.14 KB
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uset.h
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usetiter.h
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ushape.h
18 KB
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uspoof.h
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usprep.h
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ustdio.h
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ustream.h
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ustring.h
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ustringtrie.h
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utext.h
58.11 KB
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utf.h
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utf16.h
22.49 KB
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utf32.h
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utf8.h
28.16 KB
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utf_old.h
43.78 KB
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utmscale.h
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utrace.h
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utrans.h
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utypes.h
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uvernum.h
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uversion.h
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vtzone.h
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Editing: fmtable.h
Close
// © 2016 and later: Unicode, Inc. and others. // License & terms of use: http://www.unicode.org/copyright.html /* ******************************************************************************** * Copyright (C) 1997-2014, International Business Machines * Corporation and others. All Rights Reserved. ******************************************************************************** * * File FMTABLE.H * * Modification History: * * Date Name Description * 02/29/97 aliu Creation. ******************************************************************************** */ #ifndef FMTABLE_H #define FMTABLE_H #include "unicode/utypes.h" /** * \file * \brief C++ API: Formattable is a thin wrapper for primitive types used for formatting and parsing */ #if !UCONFIG_NO_FORMATTING #include "unicode/unistr.h" #include "unicode/stringpiece.h" #include "unicode/uformattable.h" U_NAMESPACE_BEGIN class CharString; class DigitList; /** * \def UNUM_INTERNAL_STACKARRAY_SIZE * @internal */ #if U_PLATFORM == U_PF_OS400 #define UNUM_INTERNAL_STACKARRAY_SIZE 144 #else #define UNUM_INTERNAL_STACKARRAY_SIZE 128 #endif /** * Formattable objects can be passed to the Format class or * its subclasses for formatting. Formattable is a thin wrapper * class which interconverts between the primitive numeric types * (double, long, etc.) as well as UDate and UnicodeString. * * <p>Internally, a Formattable object is a union of primitive types. * As such, it can only store one flavor of data at a time. To * determine what flavor of data it contains, use the getType method. * * <p>As of ICU 3.0, Formattable may also wrap a UObject pointer, * which it owns. This allows an instance of any ICU class to be * encapsulated in a Formattable. For legacy reasons and for * efficiency, primitive numeric types are still stored directly * within a Formattable. * * <p>The Formattable class is not suitable for subclassing. * * <p>See UFormattable for a C wrapper. */ class U_I18N_API Formattable : public UObject { public: /** * This enum is only used to let callers distinguish between * the Formattable(UDate) constructor and the Formattable(double) * constructor; the compiler cannot distinguish the signatures, * since UDate is currently typedefed to be either double or long. * If UDate is changed later to be a bonafide class * or struct, then we no longer need this enum. * @stable ICU 2.4 */ enum ISDATE { kIsDate }; /** * Default constructor * @stable ICU 2.4 */ Formattable(); // Type kLong, value 0 /** * Creates a Formattable object with a UDate instance. * @param d the UDate instance. * @param flag the flag to indicate this is a date. Always set it to kIsDate * @stable ICU 2.0 */ Formattable(UDate d, ISDATE flag); /** * Creates a Formattable object with a double number. * @param d the double number. * @stable ICU 2.0 */ Formattable(double d); /** * Creates a Formattable object with a long number. * @param l the long number. * @stable ICU 2.0 */ Formattable(int32_t l); /** * Creates a Formattable object with an int64_t number * @param ll the int64_t number. * @stable ICU 2.8 */ Formattable(int64_t ll); #if !UCONFIG_NO_CONVERSION /** * Creates a Formattable object with a char string pointer. * Assumes that the char string is null terminated. * @param strToCopy the char string. * @stable ICU 2.0 */ Formattable(const char* strToCopy); #endif /** * Creates a Formattable object of an appropriate numeric type from a * a decimal number in string form. The Formattable will retain the * full precision of the input in decimal format, even when it exceeds * what can be represented by a double or int64_t. * * @param number the unformatted (not localized) string representation * of the Decimal number. * @param status the error code. Possible errors include U_INVALID_FORMAT_ERROR * if the format of the string does not conform to that of a * decimal number. * @stable ICU 4.4 */ Formattable(StringPiece number, UErrorCode &status); /** * Creates a Formattable object with a UnicodeString object to copy from. * @param strToCopy the UnicodeString string. * @stable ICU 2.0 */ Formattable(const UnicodeString& strToCopy); /** * Creates a Formattable object with a UnicodeString object to adopt from. * @param strToAdopt the UnicodeString string. * @stable ICU 2.0 */ Formattable(UnicodeString* strToAdopt); /** * Creates a Formattable object with an array of Formattable objects. * @param arrayToCopy the Formattable object array. * @param count the array count. * @stable ICU 2.0 */ Formattable(const Formattable* arrayToCopy, int32_t count); /** * Creates a Formattable object that adopts the given UObject. * @param objectToAdopt the UObject to set this object to * @stable ICU 3.0 */ Formattable(UObject* objectToAdopt); /** * Copy constructor. * @stable ICU 2.0 */ Formattable(const Formattable&); /** * Assignment operator. * @param rhs The Formattable object to copy into this object. * @stable ICU 2.0 */ Formattable& operator=(const Formattable &rhs); /** * Equality comparison. * @param other the object to be compared with. * @return TRUE if other are equal to this, FALSE otherwise. * @stable ICU 2.0 */ UBool operator==(const Formattable &other) const; /** * Equality operator. * @param other the object to be compared with. * @return TRUE if other are unequal to this, FALSE otherwise. * @stable ICU 2.0 */ UBool operator!=(const Formattable& other) const { return !operator==(other); } /** * Destructor. * @stable ICU 2.0 */ virtual ~Formattable(); /** * Clone this object. * Clones can be used concurrently in multiple threads. * If an error occurs, then NULL is returned. * The caller must delete the clone. * * @return a clone of this object * * @see getDynamicClassID * @stable ICU 2.8 */ Formattable *clone() const; /** * Selector for flavor of data type contained within a * Formattable object. Formattable is a union of several * different types, and at any time contains exactly one type. * @stable ICU 2.4 */ enum Type { /** * Selector indicating a UDate value. Use getDate to retrieve * the value. * @stable ICU 2.4 */ kDate, /** * Selector indicating a double value. Use getDouble to * retrieve the value. * @stable ICU 2.4 */ kDouble, /** * Selector indicating a 32-bit integer value. Use getLong to * retrieve the value. * @stable ICU 2.4 */ kLong, /** * Selector indicating a UnicodeString value. Use getString * to retrieve the value. * @stable ICU 2.4 */ kString, /** * Selector indicating an array of Formattables. Use getArray * to retrieve the value. * @stable ICU 2.4 */ kArray, /** * Selector indicating a 64-bit integer value. Use getInt64 * to retrieve the value. * @stable ICU 2.8 */ kInt64, /** * Selector indicating a UObject value. Use getObject to * retrieve the value. * @stable ICU 3.0 */ kObject }; /** * Gets the data type of this Formattable object. * @return the data type of this Formattable object. * @stable ICU 2.0 */ Type getType(void) const; /** * Returns TRUE if the data type of this Formattable object * is kDouble, kLong, or kInt64 * @return TRUE if this is a pure numeric object * @stable ICU 3.0 */ UBool isNumeric() const; /** * Gets the double value of this object. If this object is not of type * kDouble then the result is undefined. * @return the double value of this object. * @stable ICU 2.0 */ double getDouble(void) const { return fValue.fDouble; } /** * Gets the double value of this object. If this object is of type * long, int64 or Decimal Number then a conversion is peformed, with * possible loss of precision. If the type is kObject and the * object is a Measure, then the result of * getNumber().getDouble(status) is returned. If this object is * neither a numeric type nor a Measure, then 0 is returned and * the status is set to U_INVALID_FORMAT_ERROR. * @param status the error code * @return the double value of this object. * @stable ICU 3.0 */ double getDouble(UErrorCode& status) const; /** * Gets the long value of this object. If this object is not of type * kLong then the result is undefined. * @return the long value of this object. * @stable ICU 2.0 */ int32_t getLong(void) const { return (int32_t)fValue.fInt64; } /** * Gets the long value of this object. If the magnitude is too * large to fit in a long, then the maximum or minimum long value, * as appropriate, is returned and the status is set to * U_INVALID_FORMAT_ERROR. If this object is of type kInt64 and * it fits within a long, then no precision is lost. If it is of * type kDouble, then a conversion is peformed, with * truncation of any fractional part. If the type is kObject and * the object is a Measure, then the result of * getNumber().getLong(status) is returned. If this object is * neither a numeric type nor a Measure, then 0 is returned and * the status is set to U_INVALID_FORMAT_ERROR. * @param status the error code * @return the long value of this object. * @stable ICU 3.0 */ int32_t getLong(UErrorCode& status) const; /** * Gets the int64 value of this object. If this object is not of type * kInt64 then the result is undefined. * @return the int64 value of this object. * @stable ICU 2.8 */ int64_t getInt64(void) const { return fValue.fInt64; } /** * Gets the int64 value of this object. If this object is of a numeric * type and the magnitude is too large to fit in an int64, then * the maximum or minimum int64 value, as appropriate, is returned * and the status is set to U_INVALID_FORMAT_ERROR. If the * magnitude fits in an int64, then a casting conversion is * peformed, with truncation of any fractional part. If the type * is kObject and the object is a Measure, then the result of * getNumber().getDouble(status) is returned. If this object is * neither a numeric type nor a Measure, then 0 is returned and * the status is set to U_INVALID_FORMAT_ERROR. * @param status the error code * @return the int64 value of this object. * @stable ICU 3.0 */ int64_t getInt64(UErrorCode& status) const; /** * Gets the Date value of this object. If this object is not of type * kDate then the result is undefined. * @return the Date value of this object. * @stable ICU 2.0 */ UDate getDate() const { return fValue.fDate; } /** * Gets the Date value of this object. If the type is not a date, * status is set to U_INVALID_FORMAT_ERROR and the return value is * undefined. * @param status the error code. * @return the Date value of this object. * @stable ICU 3.0 */ UDate getDate(UErrorCode& status) const; /** * Gets the string value of this object. If this object is not of type * kString then the result is undefined. * @param result Output param to receive the Date value of this object. * @return A reference to 'result'. * @stable ICU 2.0 */ UnicodeString& getString(UnicodeString& result) const { result=*fValue.fString; return result; } /** * Gets the string value of this object. If the type is not a * string, status is set to U_INVALID_FORMAT_ERROR and a bogus * string is returned. * @param result Output param to receive the Date value of this object. * @param status the error code. * @return A reference to 'result'. * @stable ICU 3.0 */ UnicodeString& getString(UnicodeString& result, UErrorCode& status) const; /** * Gets a const reference to the string value of this object. If * this object is not of type kString then the result is * undefined. * @return a const reference to the string value of this object. * @stable ICU 2.0 */ inline const UnicodeString& getString(void) const; /** * Gets a const reference to the string value of this object. If * the type is not a string, status is set to * U_INVALID_FORMAT_ERROR and the result is a bogus string. * @param status the error code. * @return a const reference to the string value of this object. * @stable ICU 3.0 */ const UnicodeString& getString(UErrorCode& status) const; /** * Gets a reference to the string value of this object. If this * object is not of type kString then the result is undefined. * @return a reference to the string value of this object. * @stable ICU 2.0 */ inline UnicodeString& getString(void); /** * Gets a reference to the string value of this object. If the * type is not a string, status is set to U_INVALID_FORMAT_ERROR * and the result is a bogus string. * @param status the error code. * @return a reference to the string value of this object. * @stable ICU 3.0 */ UnicodeString& getString(UErrorCode& status); /** * Gets the array value and count of this object. If this object * is not of type kArray then the result is undefined. * @param count fill-in with the count of this object. * @return the array value of this object. * @stable ICU 2.0 */ const Formattable* getArray(int32_t& count) const { count=fValue.fArrayAndCount.fCount; return fValue.fArrayAndCount.fArray; } /** * Gets the array value and count of this object. If the type is * not an array, status is set to U_INVALID_FORMAT_ERROR, count is * set to 0, and the result is NULL. * @param count fill-in with the count of this object. * @param status the error code. * @return the array value of this object. * @stable ICU 3.0 */ const Formattable* getArray(int32_t& count, UErrorCode& status) const; /** * Accesses the specified element in the array value of this * Formattable object. If this object is not of type kArray then * the result is undefined. * @param index the specified index. * @return the accessed element in the array. * @stable ICU 2.0 */ Formattable& operator[](int32_t index) { return fValue.fArrayAndCount.fArray[index]; } /** * Returns a pointer to the UObject contained within this * formattable, or NULL if this object does not contain a UObject. * @return a UObject pointer, or NULL * @stable ICU 3.0 */ const UObject* getObject() const; /** * Returns a numeric string representation of the number contained within this * formattable, or NULL if this object does not contain numeric type. * For values obtained by parsing, the returned decimal number retains * the full precision and range of the original input, unconstrained by * the limits of a double floating point or a 64 bit int. * * This function is not thread safe, and therfore is not declared const, * even though it is logically const. * * Possible errors include U_MEMORY_ALLOCATION_ERROR, and * U_INVALID_STATE if the formattable object has not been set to * a numeric type. * * @param status the error code. * @return the unformatted string representation of a number. * @stable ICU 4.4 */ StringPiece getDecimalNumber(UErrorCode &status); /** * Sets the double value of this object and changes the type to * kDouble. * @param d the new double value to be set. * @stable ICU 2.0 */ void setDouble(double d); /** * Sets the long value of this object and changes the type to * kLong. * @param l the new long value to be set. * @stable ICU 2.0 */ void setLong(int32_t l); /** * Sets the int64 value of this object and changes the type to * kInt64. * @param ll the new int64 value to be set. * @stable ICU 2.8 */ void setInt64(int64_t ll); /** * Sets the Date value of this object and changes the type to * kDate. * @param d the new Date value to be set. * @stable ICU 2.0 */ void setDate(UDate d); /** * Sets the string value of this object and changes the type to * kString. * @param stringToCopy the new string value to be set. * @stable ICU 2.0 */ void setString(const UnicodeString& stringToCopy); /** * Sets the array value and count of this object and changes the * type to kArray. * @param array the array value. * @param count the number of array elements to be copied. * @stable ICU 2.0 */ void setArray(const Formattable* array, int32_t count); /** * Sets and adopts the string value and count of this object and * changes the type to kArray. * @param stringToAdopt the new string value to be adopted. * @stable ICU 2.0 */ void adoptString(UnicodeString* stringToAdopt); /** * Sets and adopts the array value and count of this object and * changes the type to kArray. * @stable ICU 2.0 */ void adoptArray(Formattable* array, int32_t count); /** * Sets and adopts the UObject value of this object and changes * the type to kObject. After this call, the caller must not * delete the given object. * @param objectToAdopt the UObject value to be adopted * @stable ICU 3.0 */ void adoptObject(UObject* objectToAdopt); /** * Sets the the numeric value from a decimal number string, and changes * the type to to a numeric type appropriate for the number. * The syntax of the number is a "numeric string" * as defined in the Decimal Arithmetic Specification, available at * http://speleotrove.com/decimal * The full precision and range of the input number will be retained, * even when it exceeds what can be represented by a double or an int64. * * @param numberString a string representation of the unformatted decimal number. * @param status the error code. Set to U_INVALID_FORMAT_ERROR if the * incoming string is not a valid decimal number. * @stable ICU 4.4 */ void setDecimalNumber(StringPiece numberString, UErrorCode &status); /** * ICU "poor man's RTTI", returns a UClassID for the actual class. * * @stable ICU 2.2 */ virtual UClassID getDynamicClassID() const; /** * ICU "poor man's RTTI", returns a UClassID for this class. * * @stable ICU 2.2 */ static UClassID U_EXPORT2 getStaticClassID(); /** * Convert the UFormattable to a Formattable. Internally, this is a reinterpret_cast. * @param fmt a valid UFormattable * @return the UFormattable as a Formattable object pointer. This is an alias to the original * UFormattable, and so is only valid while the original argument remains in scope. * @stable ICU 52 */ static inline Formattable *fromUFormattable(UFormattable *fmt); /** * Convert the const UFormattable to a const Formattable. Internally, this is a reinterpret_cast. * @param fmt a valid UFormattable * @return the UFormattable as a Formattable object pointer. This is an alias to the original * UFormattable, and so is only valid while the original argument remains in scope. * @stable ICU 52 */ static inline const Formattable *fromUFormattable(const UFormattable *fmt); /** * Convert this object pointer to a UFormattable. * @return this object as a UFormattable pointer. This is an alias to this object, * and so is only valid while this object remains in scope. * @stable ICU 52 */ inline UFormattable *toUFormattable(); /** * Convert this object pointer to a UFormattable. * @return this object as a UFormattable pointer. This is an alias to this object, * and so is only valid while this object remains in scope. * @stable ICU 52 */ inline const UFormattable *toUFormattable() const; #ifndef U_HIDE_DEPRECATED_API /** * Deprecated variant of getLong(UErrorCode&). * @param status the error code * @return the long value of this object. * @deprecated ICU 3.0 use getLong(UErrorCode&) instead */ inline int32_t getLong(UErrorCode* status) const; #endif /* U_HIDE_DEPRECATED_API */ #ifndef U_HIDE_INTERNAL_API /** * Internal function, do not use. * TODO: figure out how to make this be non-public. * NumberFormat::format(Formattable, ... * needs to get at the DigitList, if it exists, for * big decimal formatting. * @internal */ DigitList *getDigitList() const { return fDecimalNum;} /** * @internal */ DigitList *getInternalDigitList(); /** * Adopt, and set value from, a DigitList * Internal Function, do not use. * @param dl the Digit List to be adopted * @internal */ void adoptDigitList(DigitList *dl); /** * Internal function to return the CharString pointer. * @param status error code * @return pointer to the CharString - may become invalid if the object is modified * @internal */ CharString *internalGetCharString(UErrorCode &status); #endif /* U_HIDE_INTERNAL_API */ private: /** * Cleans up the memory for unwanted values. For example, the adopted * string or array objects. */ void dispose(void); /** * Common initialization, for use by constructors. */ void init(); UnicodeString* getBogus() const; union { UObject* fObject; UnicodeString* fString; double fDouble; int64_t fInt64; UDate fDate; struct { Formattable* fArray; int32_t fCount; } fArrayAndCount; } fValue; CharString *fDecimalStr; DigitList *fDecimalNum; char fStackData[UNUM_INTERNAL_STACKARRAY_SIZE]; // must be big enough for DigitList Type fType; UnicodeString fBogus; // Bogus string when it's needed. }; inline UDate Formattable::getDate(UErrorCode& status) const { if (fType != kDate) { if (U_SUCCESS(status)) { status = U_INVALID_FORMAT_ERROR; } return 0; } return fValue.fDate; } inline const UnicodeString& Formattable::getString(void) const { return *fValue.fString; } inline UnicodeString& Formattable::getString(void) { return *fValue.fString; } #ifndef U_HIDE_DEPRECATED_API inline int32_t Formattable::getLong(UErrorCode* status) const { return getLong(*status); } #endif /* U_HIDE_DEPRECATED_API */ inline UFormattable* Formattable::toUFormattable() { return reinterpret_cast<UFormattable*>(this); } inline const UFormattable* Formattable::toUFormattable() const { return reinterpret_cast<const UFormattable*>(this); } inline Formattable* Formattable::fromUFormattable(UFormattable *fmt) { return reinterpret_cast<Formattable *>(fmt); } inline const Formattable* Formattable::fromUFormattable(const UFormattable *fmt) { return reinterpret_cast<const Formattable *>(fmt); } U_NAMESPACE_END #endif /* #if !UCONFIG_NO_FORMATTING */ #endif //_FMTABLE //eof