1 /* 2 ******************************************************************************** 3 * Copyright (C) 1997-2011, International Business Machines 4 * Corporation and others. All Rights Reserved. 5 ******************************************************************************** 6 * 7 * File CHOICFMT.H 8 * 9 * Modification History: 10 * 11 * Date Name Description 12 * 02/19/97 aliu Converted from java. 13 * 03/20/97 helena Finished first cut of implementation and got rid 14 * of nextDouble/previousDouble and replaced with 15 * boolean array. 16 * 4/10/97 aliu Clean up. Modified to work on AIX. 17 * 8/6/97 nos Removed overloaded constructor, member var 'buffer'. 18 * 07/22/98 stephen Removed operator!= (implemented in Format) 19 ******************************************************************************** 20 */ 21 22 #ifndef CHOICFMT_H 23 #define CHOICFMT_H 24 25 #include "unicode/utypes.h" 26 27 /** 28 * \file 29 * \brief C++ API: Choice Format. 30 */ 31 32 #if !UCONFIG_NO_FORMATTING 33 #ifndef U_HIDE_DEPRECATED_API 34 35 #include "unicode/fieldpos.h" 36 #include "unicode/format.h" 37 #include "unicode/messagepattern.h" 38 #include "unicode/numfmt.h" 39 #include "unicode/unistr.h" 40 41 U_NAMESPACE_BEGIN 42 43 class MessageFormat; 44 45 /** 46 * ChoiceFormat converts between ranges of numeric values and strings for those ranges. 47 * The strings must conform to the MessageFormat pattern syntax. 48 * 49 * <p><em><code>ChoiceFormat</code> is probably not what you need. 50 * Please use <code>MessageFormat</code> 51 * with <code>plural</code> arguments for proper plural selection, 52 * and <code>select</code> arguments for simple selection among a fixed set of choices!</em></p> 53 * 54 * <p>A <code>ChoiceFormat</code> splits 55 * the real number line \htmlonly<code>-∞</code> to 56 * <code>+∞</code>\endhtmlonly into two 57 * or more contiguous ranges. Each range is mapped to a 58 * string.</p> 59 * 60 * <p><code>ChoiceFormat</code> was originally intended 61 * for displaying grammatically correct 62 * plurals such as "There is one file." vs. "There are 2 files." 63 * <em>However,</em> plural rules for many languages 64 * are too complex for the capabilities of ChoiceFormat, 65 * and its requirement of specifying the precise rules for each message 66 * is unmanageable for translators.</p> 67 * 68 * <p>There are two methods of defining a <code>ChoiceFormat</code>; both 69 * are equivalent. The first is by using a string pattern. This is the 70 * preferred method in most cases. The second method is through direct 71 * specification of the arrays that logically make up the 72 * <code>ChoiceFormat</code>.</p> 73 * 74 * <p>Note: Typically, choice formatting is done (if done at all) via <code>MessageFormat</code> 75 * with a <code>choice</code> argument type, 76 * rather than using a stand-alone <code>ChoiceFormat</code>.</p> 77 * 78 * <h5>Patterns and Their Interpretation</h5> 79 * 80 * <p>The pattern string defines the range boundaries and the strings for each number range. 81 * Syntax: 82 * <pre> 83 * choiceStyle = number separator message ('|' number separator message)* 84 * number = normal_number | ['-'] \htmlonly∞\endhtmlonly (U+221E, infinity) 85 * normal_number = double value (unlocalized ASCII string) 86 * separator = less_than | less_than_or_equal 87 * less_than = '<' 88 * less_than_or_equal = '#' | \htmlonly≤\endhtmlonly (U+2264) 89 * message: see {@link MessageFormat} 90 * </pre> 91 * Pattern_White_Space between syntax elements is ignored, except 92 * around each range's sub-message.</p> 93 * 94 * <p>Each numeric sub-range extends from the current range's number 95 * to the next range's number. 96 * The number itself is included in its range if a <code>less_than_or_equal</code> sign is used, 97 * and excluded from its range (and instead included in the previous range) 98 * if a <code>less_than</code> sign is used.</p> 99 * 100 * <p>When a <code>ChoiceFormat</code> is constructed from 101 * arrays of numbers, closure flags and strings, 102 * they are interpreted just like 103 * the sequence of <code>(number separator string)</code> in an equivalent pattern string. 104 * <code>closure[i]==TRUE</code> corresponds to a <code>less_than</code> separator sign. 105 * The equivalent pattern string will be constructed automatically.</p> 106 * 107 * <p>During formatting, a number is mapped to the first range 108 * where the number is not greater than the range's upper limit. 109 * That range's message string is returned. A NaN maps to the very first range.</p> 110 * 111 * <p>During parsing, a range is selected for the longest match of 112 * any range's message. That range's number is returned, ignoring the separator/closure. 113 * Only a simple string match is performed, without parsing of arguments that 114 * might be specified in the message strings.</p> 115 * 116 * <p>Note that the first range's number is ignored in formatting 117 * but may be returned from parsing.</p> 118 * 119 * <h5>Examples</h5> 120 * 121 * <p>Here is an example of two arrays that map the number 122 * <code>1..7</code> to the English day of the week abbreviations 123 * <code>Sun..Sat</code>. No closures array is given; this is the same as 124 * specifying all closures to be <code>FALSE</code>.</p> 125 * 126 * <pre> {1,2,3,4,5,6,7}, 127 * {"Sun","Mon","Tue","Wed","Thur","Fri","Sat"}</pre> 128 * 129 * <p>Here is an example that maps the ranges [-Inf, 1), [1, 1], and (1, 130 * +Inf] to three strings. That is, the number line is split into three 131 * ranges: x < 1.0, x = 1.0, and x > 1.0. 132 * (The round parentheses in the notation above indicate an exclusive boundary, 133 * like the turned bracket in European notation: [-Inf, 1) == [-Inf, 1[ )</p> 134 * 135 * <pre> {0, 1, 1}, 136 * {FALSE, FALSE, TRUE}, 137 * {"no files", "one file", "many files"}</pre> 138 * 139 * <p>Here is an example that shows formatting and parsing: </p> 140 * 141 * \code 142 * #include <unicode/choicfmt.h> 143 * #include <unicode/unistr.h> 144 * #include <iostream.h> 145 * 146 * int main(int argc, char *argv[]) { 147 * double limits[] = {1,2,3,4,5,6,7}; 148 * UnicodeString monthNames[] = { 149 * "Sun","Mon","Tue","Wed","Thu","Fri","Sat"}; 150 * ChoiceFormat fmt(limits, monthNames, 7); 151 * UnicodeString str; 152 * char buf[256]; 153 * for (double x = 1.0; x <= 8.0; x += 1.0) { 154 * fmt.format(x, str); 155 * str.extract(0, str.length(), buf, 256, ""); 156 * str.truncate(0); 157 * cout << x << " -> " 158 * << buf << endl; 159 * } 160 * cout << endl; 161 * return 0; 162 * } 163 * \endcode 164 * 165 * <p><em>User subclasses are not supported.</em> While clients may write 166 * subclasses, such code will not necessarily work and will not be 167 * guaranteed to work stably from release to release. 168 * 169 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 170 */ 171 class U_I18N_API ChoiceFormat: public NumberFormat { 172 public: 173 /** 174 * Constructs a new ChoiceFormat from the pattern string. 175 * 176 * @param pattern Pattern used to construct object. 177 * @param status Output param to receive success code. If the 178 * pattern cannot be parsed, set to failure code. 179 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 180 */ 181 ChoiceFormat(const UnicodeString& pattern, 182 UErrorCode& status); 183 184 185 /** 186 * Constructs a new ChoiceFormat with the given limits and message strings. 187 * All closure flags default to <code>FALSE</code>, 188 * equivalent to <code>less_than_or_equal</code> separators. 189 * 190 * Copies the limits and formats instead of adopting them. 191 * 192 * @param limits Array of limit values. 193 * @param formats Array of formats. 194 * @param count Size of 'limits' and 'formats' arrays. 195 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 196 */ 197 ChoiceFormat(const double* limits, 198 const UnicodeString* formats, 199 int32_t count ); 200 201 /** 202 * Constructs a new ChoiceFormat with the given limits, closure flags and message strings. 203 * 204 * Copies the limits and formats instead of adopting them. 205 * 206 * @param limits Array of limit values 207 * @param closures Array of booleans specifying whether each 208 * element of 'limits' is open or closed. If FALSE, then the 209 * corresponding limit number is a member of its range. 210 * If TRUE, then the limit number belongs to the previous range it. 211 * @param formats Array of formats 212 * @param count Size of 'limits', 'closures', and 'formats' arrays 213 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 214 */ 215 ChoiceFormat(const double* limits, 216 const UBool* closures, 217 const UnicodeString* formats, 218 int32_t count); 219 220 /** 221 * Copy constructor. 222 * 223 * @param that ChoiceFormat object to be copied from 224 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 225 */ 226 ChoiceFormat(const ChoiceFormat& that); 227 228 /** 229 * Assignment operator. 230 * 231 * @param that ChoiceFormat object to be copied 232 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 233 */ 234 const ChoiceFormat& operator=(const ChoiceFormat& that); 235 236 /** 237 * Destructor. 238 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 239 */ 240 virtual ~ChoiceFormat(); 241 242 /** 243 * Clones this Format object. The caller owns the 244 * result and must delete it when done. 245 * 246 * @return a copy of this object 247 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 248 */ 249 virtual Format* clone(void) const; 250 251 /** 252 * Returns true if the given Format objects are semantically equal. 253 * Objects of different subclasses are considered unequal. 254 * 255 * @param other ChoiceFormat object to be compared 256 * @return true if other is the same as this. 257 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 258 */ 259 virtual UBool operator==(const Format& other) const; 260 261 /** 262 * Sets the pattern. 263 * @param pattern The pattern to be applied. 264 * @param status Output param set to success/failure code on 265 * exit. If the pattern is invalid, this will be 266 * set to a failure result. 267 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 268 */ 269 virtual void applyPattern(const UnicodeString& pattern, 270 UErrorCode& status); 271 272 /** 273 * Sets the pattern. 274 * @param pattern The pattern to be applied. 275 * @param parseError Struct to receive information on position 276 * of error if an error is encountered 277 * @param status Output param set to success/failure code on 278 * exit. If the pattern is invalid, this will be 279 * set to a failure result. 280 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 281 */ 282 virtual void applyPattern(const UnicodeString& pattern, 283 UParseError& parseError, 284 UErrorCode& status); 285 /** 286 * Gets the pattern. 287 * 288 * @param pattern Output param which will receive the pattern 289 * Previous contents are deleted. 290 * @return A reference to 'pattern' 291 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 292 */ 293 virtual UnicodeString& toPattern(UnicodeString &pattern) const; 294 295 /** 296 * Sets the choices to be used in formatting. 297 * For details see the constructor with the same parameter list. 298 * 299 * @param limitsToCopy Contains the top value that you want 300 * parsed with that format,and should be in 301 * ascending sorted order. When formatting X, 302 * the choice will be the i, where limit[i] 303 * <= X < limit[i+1]. 304 * @param formatsToCopy The format strings you want to use for each limit. 305 * @param count The size of the above arrays. 306 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 307 */ 308 virtual void setChoices(const double* limitsToCopy, 309 const UnicodeString* formatsToCopy, 310 int32_t count ); 311 312 /** 313 * Sets the choices to be used in formatting. 314 * For details see the constructor with the same parameter list. 315 * 316 * @param limits Array of limits 317 * @param closures Array of limit booleans 318 * @param formats Array of format string 319 * @param count The size of the above arrays 320 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 321 */ 322 virtual void setChoices(const double* limits, 323 const UBool* closures, 324 const UnicodeString* formats, 325 int32_t count); 326 327 /** 328 * Returns NULL and 0. 329 * Before ICU 4.8, this used to return the choice limits array. 330 * 331 * @param count Will be set to 0. 332 * @return NULL 333 * @deprecated ICU 4.8 Use the MessagePattern class to analyze a ChoiceFormat pattern. 334 */ 335 virtual const double* getLimits(int32_t& count) const; 336 337 /** 338 * Returns NULL and 0. 339 * Before ICU 4.8, this used to return the limit booleans array. 340 * 341 * @param count Will be set to 0. 342 * @return NULL 343 * @deprecated ICU 4.8 Use the MessagePattern class to analyze a ChoiceFormat pattern. 344 */ 345 virtual const UBool* getClosures(int32_t& count) const; 346 347 /** 348 * Returns NULL and 0. 349 * Before ICU 4.8, this used to return the array of choice strings. 350 * 351 * @param count Will be set to 0. 352 * @return NULL 353 * @deprecated ICU 4.8 Use the MessagePattern class to analyze a ChoiceFormat pattern. 354 */ 355 virtual const UnicodeString* getFormats(int32_t& count) const; 356 357 358 using NumberFormat::format; 359 360 /** 361 * Formats a double number using this object's choices. 362 * 363 * @param number The value to be formatted. 364 * @param appendTo Output parameter to receive result. 365 * Result is appended to existing contents. 366 * @param pos On input: an alignment field, if desired. 367 * On output: the offsets of the alignment field. 368 * @return Reference to 'appendTo' parameter. 369 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 370 */ 371 virtual UnicodeString& format(double number, 372 UnicodeString& appendTo, 373 FieldPosition& pos) const; 374 /** 375 * Formats an int32_t number using this object's choices. 376 * 377 * @param number The value to be formatted. 378 * @param appendTo Output parameter to receive result. 379 * Result is appended to existing contents. 380 * @param pos On input: an alignment field, if desired. 381 * On output: the offsets of the alignment field. 382 * @return Reference to 'appendTo' parameter. 383 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 384 */ 385 virtual UnicodeString& format(int32_t number, 386 UnicodeString& appendTo, 387 FieldPosition& pos) const; 388 389 /** 390 * Formats an int64_t number using this object's choices. 391 * 392 * @param number The value to be formatted. 393 * @param appendTo Output parameter to receive result. 394 * Result is appended to existing contents. 395 * @param pos On input: an alignment field, if desired. 396 * On output: the offsets of the alignment field. 397 * @return Reference to 'appendTo' parameter. 398 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 399 */ 400 virtual UnicodeString& format(int64_t number, 401 UnicodeString& appendTo, 402 FieldPosition& pos) const; 403 404 /** 405 * Formats an array of objects using this object's choices. 406 * 407 * @param objs The array of objects to be formatted. 408 * @param cnt The size of objs. 409 * @param appendTo Output parameter to receive result. 410 * Result is appended to existing contents. 411 * @param pos On input: an alignment field, if desired. 412 * On output: the offsets of the alignment field. 413 * @param success Output param set to success/failure code on 414 * exit. 415 * @return Reference to 'appendTo' parameter. 416 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 417 */ 418 virtual UnicodeString& format(const Formattable* objs, 419 int32_t cnt, 420 UnicodeString& appendTo, 421 FieldPosition& pos, 422 UErrorCode& success) const; 423 /** 424 * Formats an object using this object's choices. 425 * 426 * 427 * @param obj The object to be formatted. 428 * @param appendTo Output parameter to receive result. 429 * Result is appended to existing contents. 430 * @param pos On input: an alignment field, if desired. 431 * On output: the offsets of the alignment field. 432 * @param status Output param set to success/failure code on 433 * exit. 434 * @return Reference to 'appendTo' parameter. 435 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 436 */ 437 virtual UnicodeString& format(const Formattable& obj, 438 UnicodeString& appendTo, 439 FieldPosition& pos, 440 UErrorCode& status) const; 441 442 /** 443 * Redeclared NumberFormat method. 444 * 445 * @param obj The object to be formatted. 446 * @param appendTo Output parameter to receive result. 447 * Result is appended to existing contents. 448 * @param status Output param set to success/failure code on 449 * exit. 450 * @return Reference to 'appendTo' parameter. 451 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 452 */ 453 UnicodeString& format(const Formattable& obj, 454 UnicodeString& appendTo, 455 UErrorCode& status) const; 456 457 /** 458 * Redeclared NumberFormat method. 459 * Formats a double number. These methods call the NumberFormat 460 * pure virtual format() methods with the default FieldPosition. 461 * 462 * @param number The value to be formatted. 463 * @param appendTo Output parameter to receive result. 464 * Result is appended to existing contents. 465 * @return Reference to 'appendTo' parameter. 466 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 467 */ 468 UnicodeString& format( double number, 469 UnicodeString& appendTo) const; 470 471 /** 472 * Redeclared NumberFormat method. 473 * Formats an int32_t number. These methods call the NumberFormat 474 * pure virtual format() methods with the default FieldPosition. 475 * 476 * @param number The value to be formatted. 477 * @param appendTo Output parameter to receive result. 478 * Result is appended to existing contents. 479 * @return Reference to 'appendTo' parameter. 480 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 481 */ 482 UnicodeString& format( int32_t number, 483 UnicodeString& appendTo) const; 484 485 /** 486 * Looks for the longest match of any message string on the input text and, 487 * if there is a match, sets the result object to the corresponding range's number. 488 * 489 * If no string matches, then the parsePosition is unchanged. 490 * 491 * @param text The text to be parsed. 492 * @param result Formattable to be set to the parse result. 493 * If parse fails, return contents are undefined. 494 * @param parsePosition The position to start parsing at on input. 495 * On output, moved to after the last successfully 496 * parse character. On parse failure, does not change. 497 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 498 */ 499 virtual void parse(const UnicodeString& text, 500 Formattable& result, 501 ParsePosition& parsePosition) const; 502 503 /** 504 * Looks for the longest match of any message string on the input text and, 505 * if there is a match, sets the result object to the corresponding range's number. 506 * 507 * If no string matches, then the UErrorCode is set to U_INVALID_FORMAT_ERROR. 508 * 509 * @param text The text to be parsed. 510 * @param result Formattable to be set to the parse result. 511 * If parse fails, return contents are undefined. 512 * @param status Output param with the formatted string. 513 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 514 */ 515 virtual void parse(const UnicodeString& text, 516 Formattable& result, 517 UErrorCode& status) const; 518 519 /** 520 * Returns a unique class ID POLYMORPHICALLY. Part of ICU's "poor man's RTTI". 521 * 522 * @return The class ID for this object. All objects of a 523 * given class have the same class ID. Objects of 524 * other classes have different class IDs. 525 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 526 */ 527 virtual UClassID getDynamicClassID(void) const; 528 529 /** 530 * Returns the class ID for this class. This is useful only for 531 * comparing to a return value from getDynamicClassID(). For example: 532 * <pre> 533 * . Base* polymorphic_pointer = createPolymorphicObject(); 534 * . if (polymorphic_pointer->getDynamicClassID() == 535 * . Derived::getStaticClassID()) ... 536 * </pre> 537 * @return The class ID for all objects of this class. 538 * @deprecated ICU 49 Use MessageFormat instead, with plural and select arguments. 539 */ 540 static UClassID U_EXPORT2 getStaticClassID(void); 541 542 private: 543 /** 544 * Converts a double value to a string. 545 * @param value the double number to be converted. 546 * @param string the result string. 547 * @return the converted string. 548 */ 549 static UnicodeString& dtos(double value, UnicodeString& string); 550 551 ChoiceFormat(); // default constructor not implemented 552 553 /** 554 * Construct a new ChoiceFormat with the limits and the corresponding formats 555 * based on the pattern. 556 * 557 * @param newPattern Pattern used to construct object. 558 * @param parseError Struct to receive information on position 559 * of error if an error is encountered. 560 * @param status Output param to receive success code. If the 561 * pattern cannot be parsed, set to failure code. 562 */ 563 ChoiceFormat(const UnicodeString& newPattern, 564 UParseError& parseError, 565 UErrorCode& status); 566 567 friend class MessageFormat; 568 569 virtual void setChoices(const double* limits, 570 const UBool* closures, 571 const UnicodeString* formats, 572 int32_t count, 573 UErrorCode &errorCode); 574 575 /** 576 * Finds the ChoiceFormat sub-message for the given number. 577 * @param pattern A MessagePattern. 578 * @param partIndex the index of the first ChoiceFormat argument style part. 579 * @param number a number to be mapped to one of the ChoiceFormat argument's intervals 580 * @return the sub-message start part index. 581 */ 582 static int32_t findSubMessage(const MessagePattern &pattern, int32_t partIndex, double number); 583 584 static double parseArgument( 585 const MessagePattern &pattern, int32_t partIndex, 586 const UnicodeString &source, ParsePosition &pos); 587 588 /** 589 * Matches the pattern string from the end of the partIndex to 590 * the beginning of the limitPartIndex, 591 * including all syntax except SKIP_SYNTAX, 592 * against the source string starting at sourceOffset. 593 * If they match, returns the length of the source string match. 594 * Otherwise returns -1. 595 */ 596 static int32_t matchStringUntilLimitPart( 597 const MessagePattern &pattern, int32_t partIndex, int32_t limitPartIndex, 598 const UnicodeString &source, int32_t sourceOffset); 599 600 /** 601 * Some of the ChoiceFormat constructors do not have a UErrorCode paramater. 602 * We need _some_ way to provide one for the MessagePattern constructor. 603 * Alternatively, the MessagePattern could be a pointer field, but that is 604 * not nice either. 605 */ 606 UErrorCode constructorErrorCode; 607 608 /** 609 * The MessagePattern which contains the parsed structure of the pattern string. 610 * 611 * Starting with ICU 4.8, the MessagePattern contains a sequence of 612 * numeric/selector/message parts corresponding to the parsed pattern. 613 * For details see the MessagePattern class API docs. 614 */ 615 MessagePattern msgPattern; 616 617 /** 618 * Docs & fields from before ICU 4.8, before MessagePattern was used. 619 * Commented out, and left only for explanation of semantics. 620 * -------- 621 * Each ChoiceFormat divides the range -Inf..+Inf into fCount 622 * intervals. The intervals are: 623 * 624 * 0: fChoiceLimits[0]..fChoiceLimits[1] 625 * 1: fChoiceLimits[1]..fChoiceLimits[2] 626 * ... 627 * fCount-2: fChoiceLimits[fCount-2]..fChoiceLimits[fCount-1] 628 * fCount-1: fChoiceLimits[fCount-1]..+Inf 629 * 630 * Interval 0 is special; during formatting (mapping numbers to 631 * strings), it also contains all numbers less than 632 * fChoiceLimits[0], as well as NaN values. 633 * 634 * Interval i maps to and from string fChoiceFormats[i]. When 635 * parsing (mapping strings to numbers), then intervals map to 636 * their lower limit, that is, interval i maps to fChoiceLimit[i]. 637 * 638 * The intervals may be closed, half open, or open. This affects 639 * formatting but does not affect parsing. Interval i is affected 640 * by fClosures[i] and fClosures[i+1]. If fClosures[i] 641 * is FALSE, then the value fChoiceLimits[i] is in interval i. 642 * That is, intervals i and i are: 643 * 644 * i-1: ... x < fChoiceLimits[i] 645 * i: fChoiceLimits[i] <= x ... 646 * 647 * If fClosures[i] is TRUE, then the value fChoiceLimits[i] is 648 * in interval i-1. That is, intervals i-1 and i are: 649 * 650 * i-1: ... x <= fChoiceLimits[i] 651 * i: fChoiceLimits[i] < x ... 652 * 653 * Because of the nature of interval 0, fClosures[0] has no 654 * effect. 655 */ 656 // double* fChoiceLimits; 657 // UBool* fClosures; 658 // UnicodeString* fChoiceFormats; 659 // int32_t fCount; 660 }; 661 662 inline UnicodeString& 663 ChoiceFormat::format(const Formattable& obj, 664 UnicodeString& appendTo, 665 UErrorCode& status) const { 666 // Don't use Format:: - use immediate base class only, 667 // in case immediate base modifies behavior later. 668 return NumberFormat::format(obj, appendTo, status); 669 } 670 671 inline UnicodeString& 672 ChoiceFormat::format(double number, 673 UnicodeString& appendTo) const { 674 return NumberFormat::format(number, appendTo); 675 } 676 677 inline UnicodeString& 678 ChoiceFormat::format(int32_t number, 679 UnicodeString& appendTo) const { 680 return NumberFormat::format(number, appendTo); 681 } 682 U_NAMESPACE_END 683 684 #endif // U_HIDE_DEPRECATED_API 685 #endif /* #if !UCONFIG_NO_FORMATTING */ 686 687 #endif // CHOICFMT_H 688 //eof 689