DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (31ec81b5d7bb)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784
/*
******************************************************************************
*   Copyright (C) 2001-2011, International Business Machines
*   Corporation and others.  All Rights Reserved.
******************************************************************************
*
* File ucoleitr.cpp
*
* Modification History:
*
* Date        Name        Description
* 02/15/2001  synwee      Modified all methods to process its own function 
*                         instead of calling the equivalent c++ api (coleitr.h)
******************************************************************************/

#include "unicode/utypes.h"

#if !UCONFIG_NO_COLLATION

#include "unicode/ucoleitr.h"
#include "unicode/ustring.h"
#include "unicode/sortkey.h"
#include "unicode/uobject.h"
#include "ucol_imp.h"
#include "cmemory.h"

U_NAMESPACE_USE

#define BUFFER_LENGTH             100

#define DEFAULT_BUFFER_SIZE 16
#define BUFFER_GROW 8

#define ARRAY_SIZE(array) (sizeof array / sizeof array[0])

#define ARRAY_COPY(dst, src, count) uprv_memcpy((void *) (dst), (void *) (src), (count) * sizeof (src)[0])

#define NEW_ARRAY(type, count) (type *) uprv_malloc((count) * sizeof(type))

#define GROW_ARRAY(array, newSize) uprv_realloc((void *) (array), (newSize) * sizeof (array)[0])

#define DELETE_ARRAY(array) uprv_free((void *) (array))

typedef struct icu::collIterate collIterator;

struct RCEI
{
    uint32_t ce;
    int32_t  low;
    int32_t  high;
};

U_NAMESPACE_BEGIN

struct RCEBuffer
{
    RCEI    defaultBuffer[DEFAULT_BUFFER_SIZE];
    RCEI   *buffer;
    int32_t bufferIndex;
    int32_t bufferSize;

    RCEBuffer();
    ~RCEBuffer();

    UBool empty() const;
    void  put(uint32_t ce, int32_t ixLow, int32_t ixHigh);
    const RCEI *get();
};

RCEBuffer::RCEBuffer()
{
    buffer = defaultBuffer;
    bufferIndex = 0;
    bufferSize = DEFAULT_BUFFER_SIZE;
}

RCEBuffer::~RCEBuffer()
{
    if (buffer != defaultBuffer) {
        DELETE_ARRAY(buffer);
    }
}

UBool RCEBuffer::empty() const
{
    return bufferIndex <= 0;
}

void RCEBuffer::put(uint32_t ce, int32_t ixLow, int32_t ixHigh)
{
    if (bufferIndex >= bufferSize) {
        RCEI *newBuffer = NEW_ARRAY(RCEI, bufferSize + BUFFER_GROW);

        ARRAY_COPY(newBuffer, buffer, bufferSize);

        if (buffer != defaultBuffer) {
            DELETE_ARRAY(buffer);
        }

        buffer = newBuffer;
        bufferSize += BUFFER_GROW;
    }

    buffer[bufferIndex].ce   = ce;
    buffer[bufferIndex].low  = ixLow;
    buffer[bufferIndex].high = ixHigh;

    bufferIndex += 1;
}

const RCEI *RCEBuffer::get()
{
    if (bufferIndex > 0) {
     return &buffer[--bufferIndex];
    }

    return NULL;
}

struct PCEI
{
    uint64_t ce;
    int32_t  low;
    int32_t  high;
};

struct PCEBuffer
{
    PCEI    defaultBuffer[DEFAULT_BUFFER_SIZE];
    PCEI   *buffer;
    int32_t bufferIndex;
    int32_t bufferSize;

    PCEBuffer();
    ~PCEBuffer();

    void  reset();
    UBool empty() const;
    void  put(uint64_t ce, int32_t ixLow, int32_t ixHigh);
    const PCEI *get();
};

PCEBuffer::PCEBuffer()
{
    buffer = defaultBuffer;
    bufferIndex = 0;
    bufferSize = DEFAULT_BUFFER_SIZE;
}

PCEBuffer::~PCEBuffer()
{
    if (buffer != defaultBuffer) {
        DELETE_ARRAY(buffer);
    }
}

void PCEBuffer::reset()
{
    bufferIndex = 0;
}

UBool PCEBuffer::empty() const
{
    return bufferIndex <= 0;
}

void PCEBuffer::put(uint64_t ce, int32_t ixLow, int32_t ixHigh)
{
    if (bufferIndex >= bufferSize) {
        PCEI *newBuffer = NEW_ARRAY(PCEI, bufferSize + BUFFER_GROW);

        ARRAY_COPY(newBuffer, buffer, bufferSize);

        if (buffer != defaultBuffer) {
            DELETE_ARRAY(buffer);
        }

        buffer = newBuffer;
        bufferSize += BUFFER_GROW;
    }

    buffer[bufferIndex].ce   = ce;
    buffer[bufferIndex].low  = ixLow;
    buffer[bufferIndex].high = ixHigh;

    bufferIndex += 1;
}

const PCEI *PCEBuffer::get()
{
    if (bufferIndex > 0) {
     return &buffer[--bufferIndex];
    }

    return NULL;
}

/*
 * This inherits from UObject so that
 * it can be allocated by new and the
 * constructor for PCEBuffer is called.
 */
struct UCollationPCE : public UObject
{
    PCEBuffer          pceBuffer;
    UCollationStrength strength;
    UBool              toShift;
    UBool              isShifted;
    uint32_t           variableTop;

    UCollationPCE(UCollationElements *elems);
    ~UCollationPCE();

    void init(const UCollator *coll);

    virtual UClassID getDynamicClassID() const;
    static UClassID getStaticClassID();
};

UOBJECT_DEFINE_RTTI_IMPLEMENTATION(UCollationPCE)

UCollationPCE::UCollationPCE(UCollationElements *elems)
{
    init(elems->iteratordata_.coll);
}

void UCollationPCE::init(const UCollator *coll)
{
    UErrorCode status = U_ZERO_ERROR;

    strength    = ucol_getStrength(coll);
    toShift     = ucol_getAttribute(coll, UCOL_ALTERNATE_HANDLING, &status) == UCOL_SHIFTED;
    isShifted   = FALSE;
    variableTop = coll->variableTopValue << 16;
}

UCollationPCE::~UCollationPCE()
{
    // nothing to do
}


U_NAMESPACE_END


inline uint64_t processCE(UCollationElements *elems, uint32_t ce)
{
    uint64_t primary = 0, secondary = 0, tertiary = 0, quaternary = 0;

    // This is clean, but somewhat slow...
    // We could apply the mask to ce and then
    // just get all three orders...
    switch(elems->pce->strength) {
    default:
        tertiary = ucol_tertiaryOrder(ce);
        /* note fall-through */

    case UCOL_SECONDARY:
        secondary = ucol_secondaryOrder(ce);
        /* note fall-through */

    case UCOL_PRIMARY:
        primary = ucol_primaryOrder(ce);
    }

    // **** This should probably handle continuations too.  ****
    // **** That means that we need 24 bits for the primary ****
    // **** instead of the 16 that we're currently using.   ****
    // **** So we can lay out the 64 bits as: 24.12.12.16.  ****
    // **** Another complication with continuations is that ****
    // **** the *second* CE is marked as a continuation, so ****
    // **** we always have to peek ahead to know how long   ****
    // **** the primary is...                               ****
    if ((elems->pce->toShift && elems->pce->variableTop > ce && primary != 0)
                || (elems->pce->isShifted && primary == 0)) {

        if (primary == 0) {
            return UCOL_IGNORABLE;
        }

        if (elems->pce->strength >= UCOL_QUATERNARY) {
            quaternary = primary;
        }

        primary = secondary = tertiary = 0;
        elems->pce->isShifted = TRUE;
    } else {
        if (elems->pce->strength >= UCOL_QUATERNARY) {
            quaternary = 0xFFFF;
        }

        elems->pce->isShifted = FALSE;
    }

    return primary << 48 | secondary << 32 | tertiary << 16 | quaternary;
}

U_CAPI void U_EXPORT2
uprv_init_pce(const UCollationElements *elems)
{
    if (elems->pce != NULL) {
        elems->pce->init(elems->iteratordata_.coll);
    }
}



/* public methods ---------------------------------------------------- */

U_CAPI UCollationElements* U_EXPORT2
ucol_openElements(const UCollator  *coll,
                  const UChar      *text,
                        int32_t    textLength,
                        UErrorCode *status)
{
    if (U_FAILURE(*status)) {
        return NULL;
    }

    UCollationElements *result = new UCollationElements;
    if (result == NULL) {
        *status = U_MEMORY_ALLOCATION_ERROR;
        return NULL;
    }

    result->reset_ = TRUE;
    result->isWritable = FALSE;
    result->pce = NULL;

    if (text == NULL) {
        textLength = 0;
    }
    uprv_init_collIterate(coll, text, textLength, &result->iteratordata_, status);

    return result;
}


U_CAPI void U_EXPORT2
ucol_closeElements(UCollationElements *elems)
{
	if (elems != NULL) {
	  collIterate *ci = &elems->iteratordata_;

	  if (ci->extendCEs) {
		  uprv_free(ci->extendCEs);
	  }

	  if (ci->offsetBuffer) {
		  uprv_free(ci->offsetBuffer);
	  }

	  if (elems->isWritable && elems->iteratordata_.string != NULL)
	  {
		uprv_free((UChar *)elems->iteratordata_.string);
	  }

	  if (elems->pce != NULL) {
		  delete elems->pce;
	  }

	  delete elems;
	}
}

U_CAPI void U_EXPORT2
ucol_reset(UCollationElements *elems)
{
    collIterate *ci = &(elems->iteratordata_);
    elems->reset_   = TRUE;
    ci->pos         = ci->string;
    if ((ci->flags & UCOL_ITER_HASLEN) == 0 || ci->endp == NULL) {
        ci->endp      = ci->string + u_strlen(ci->string);
    }
    ci->CEpos       = ci->toReturn = ci->CEs;
    ci->flags       = (ci->flags & UCOL_FORCE_HAN_IMPLICIT) | UCOL_ITER_HASLEN;
    if (ci->coll->normalizationMode == UCOL_ON) {
        ci->flags |= UCOL_ITER_NORM;
    }

    ci->writableBuffer.remove();
    ci->fcdPosition = NULL;

  //ci->offsetReturn = ci->offsetStore = NULL;
	ci->offsetRepeatCount = ci->offsetRepeatValue = 0;
}

U_CAPI void U_EXPORT2
ucol_forceHanImplicit(UCollationElements *elems, UErrorCode *status)
{
    if (U_FAILURE(*status)) {
        return;
    }

    if (elems == NULL) {
        *status = U_ILLEGAL_ARGUMENT_ERROR;
        return;
    }

    elems->iteratordata_.flags |= UCOL_FORCE_HAN_IMPLICIT;
}

U_CAPI int32_t U_EXPORT2
ucol_next(UCollationElements *elems, 
          UErrorCode         *status)
{
    int32_t result;
    if (U_FAILURE(*status)) {
        return UCOL_NULLORDER;
    }

    elems->reset_ = FALSE;

    result = (int32_t)ucol_getNextCE(elems->iteratordata_.coll,
                                     &elems->iteratordata_, 
                                     status);

    if (result == UCOL_NO_MORE_CES) {
        result = UCOL_NULLORDER;
    }
    return result;
}

U_CAPI int64_t U_EXPORT2
ucol_nextProcessed(UCollationElements *elems,
                   int32_t            *ixLow,
                   int32_t            *ixHigh,
                   UErrorCode         *status)
{
    const UCollator *coll = elems->iteratordata_.coll;
    int64_t result = UCOL_IGNORABLE;
    uint32_t low = 0, high = 0;

    if (U_FAILURE(*status)) {
        return UCOL_PROCESSED_NULLORDER;
    }

    if (elems->pce == NULL) {
        elems->pce = new UCollationPCE(elems);
    } else {
        elems->pce->pceBuffer.reset();
    }

    elems->reset_ = FALSE;

    do {
        low = ucol_getOffset(elems);
        uint32_t ce = (uint32_t) ucol_getNextCE(coll, &elems->iteratordata_, status);
        high = ucol_getOffset(elems);

        if (ce == UCOL_NO_MORE_CES) {
             result = UCOL_PROCESSED_NULLORDER;
             break;
        }

        result = processCE(elems, ce);
    } while (result == UCOL_IGNORABLE);

    if (ixLow != NULL) {
        *ixLow = low;
    }

    if (ixHigh != NULL) {
        *ixHigh = high;
    }

    return result;
}

U_CAPI int32_t U_EXPORT2
ucol_previous(UCollationElements *elems,
              UErrorCode         *status)
{
    if(U_FAILURE(*status)) {
        return UCOL_NULLORDER;
    }
    else
    {
        int32_t result;

        if (elems->reset_ && (elems->iteratordata_.pos == elems->iteratordata_.string)) {
            if (elems->iteratordata_.endp == NULL) {
                elems->iteratordata_.endp = elems->iteratordata_.string + 
                                            u_strlen(elems->iteratordata_.string);
                elems->iteratordata_.flags |= UCOL_ITER_HASLEN;
            }
            elems->iteratordata_.pos = elems->iteratordata_.endp;
            elems->iteratordata_.fcdPosition = elems->iteratordata_.endp;
        }

        elems->reset_ = FALSE;

        result = (int32_t)ucol_getPrevCE(elems->iteratordata_.coll,
                                         &(elems->iteratordata_), 
                                         status);

        if (result == UCOL_NO_MORE_CES) {
            result = UCOL_NULLORDER;
        }

        return result;
    }
}

U_CAPI int64_t U_EXPORT2
ucol_previousProcessed(UCollationElements *elems,
                   int32_t            *ixLow,
                   int32_t            *ixHigh,
                   UErrorCode         *status)
{
    const UCollator *coll = elems->iteratordata_.coll;
    int64_t result = UCOL_IGNORABLE;
 // int64_t primary = 0, secondary = 0, tertiary = 0, quaternary = 0;
 // UCollationStrength strength = ucol_getStrength(coll);
 //  UBool toShift   = ucol_getAttribute(coll, UCOL_ALTERNATE_HANDLING, status) ==  UCOL_SHIFTED;
 // uint32_t variableTop = coll->variableTopValue;
    int32_t  low = 0, high = 0;

    if (U_FAILURE(*status)) {
        return UCOL_PROCESSED_NULLORDER;
    }

    if (elems->reset_ && 
        (elems->iteratordata_.pos == elems->iteratordata_.string)) {
        if (elems->iteratordata_.endp == NULL) {
            elems->iteratordata_.endp = elems->iteratordata_.string + 
                                        u_strlen(elems->iteratordata_.string);
            elems->iteratordata_.flags |= UCOL_ITER_HASLEN;
        }

        elems->iteratordata_.pos = elems->iteratordata_.endp;
        elems->iteratordata_.fcdPosition = elems->iteratordata_.endp;
    }

    if (elems->pce == NULL) {
        elems->pce = new UCollationPCE(elems);
    } else {
      //elems->pce->pceBuffer.reset();
    }

    elems->reset_ = FALSE;

    while (elems->pce->pceBuffer.empty()) {
        // buffer raw CEs up to non-ignorable primary
        RCEBuffer rceb;
        uint32_t ce;
        
        // **** do we need to reset rceb, or will it always be empty at this point ****
        do {
            high = ucol_getOffset(elems);
            ce   = ucol_getPrevCE(coll, &elems->iteratordata_, status);
            low  = ucol_getOffset(elems);

            if (ce == UCOL_NO_MORE_CES) {
                if (! rceb.empty()) {
                    break;
                }

                goto finish;
            }

            rceb.put(ce, low, high);
        } while ((ce & UCOL_PRIMARYMASK) == 0);

        // process the raw CEs
        while (! rceb.empty()) {
            const RCEI *rcei = rceb.get();

            result = processCE(elems, rcei->ce);

            if (result != UCOL_IGNORABLE) {
                elems->pce->pceBuffer.put(result, rcei->low, rcei->high);
            }
        }
    }

finish:
    if (elems->pce->pceBuffer.empty()) {
        // **** Is -1 the right value for ixLow, ixHigh? ****
    	if (ixLow != NULL) {
    		*ixLow = -1;
    	}
    	
    	if (ixHigh != NULL) {
    		*ixHigh = -1
    		;
    	}
        return UCOL_PROCESSED_NULLORDER;
    }

    const PCEI *pcei = elems->pce->pceBuffer.get();

    if (ixLow != NULL) {
        *ixLow = pcei->low;
    }

    if (ixHigh != NULL) {
        *ixHigh = pcei->high;
    }

    return pcei->ce;
}

U_CAPI int32_t U_EXPORT2
ucol_getMaxExpansion(const UCollationElements *elems,
                           int32_t            order)
{
    uint8_t result;

#if 0
    UCOL_GETMAXEXPANSION(elems->iteratordata_.coll, (uint32_t)order, result);
#else
    const UCollator *coll = elems->iteratordata_.coll;
    const uint32_t *start;
    const uint32_t *limit;
    const uint32_t *mid;
          uint32_t strengthMask = 0;
          uint32_t mOrder = (uint32_t) order;

    switch (coll->strength) 
    {
    default:
        strengthMask |= UCOL_TERTIARYORDERMASK;
        /* fall through */

    case UCOL_SECONDARY:
        strengthMask |= UCOL_SECONDARYORDERMASK;
        /* fall through */

    case UCOL_PRIMARY:
        strengthMask |= UCOL_PRIMARYORDERMASK;
    }

    mOrder &= strengthMask;
    start = (coll)->endExpansionCE;
    limit = (coll)->lastEndExpansionCE;

    while (start < limit - 1) {
        mid = start + ((limit - start) >> 1);
        if (mOrder <= (*mid & strengthMask)) {
          limit = mid;
        } else {
          start = mid;
        }
    }

    // FIXME: with a masked search, there might be more than one hit,
    // so we need to look forward and backward from the match to find all
    // of the hits...
    if ((*start & strengthMask) == mOrder) {
        result = *((coll)->expansionCESize + (start - (coll)->endExpansionCE));
    } else if ((*limit & strengthMask) == mOrder) {
         result = *(coll->expansionCESize + (limit - coll->endExpansionCE));
   } else if ((mOrder & 0xFFFF) == 0x00C0) {
        result = 2;
   } else {
       result = 1;
   }
#endif

    return result;
}
 
U_CAPI void U_EXPORT2
ucol_setText(      UCollationElements *elems,
             const UChar              *text,
                   int32_t            textLength,
                   UErrorCode         *status)
{
    if (U_FAILURE(*status)) {
        return;
    }

    if (elems->isWritable && elems->iteratordata_.string != NULL)
    {
        uprv_free((UChar *)elems->iteratordata_.string);
    }

    if (text == NULL) {
        textLength = 0;
    }

    elems->isWritable = FALSE;
    
    /* free offset buffer to avoid memory leak before initializing. */
    ucol_freeOffsetBuffer(&(elems->iteratordata_));
    /* Ensure that previously allocated extendCEs is freed before setting to NULL. */
    if (elems->iteratordata_.extendCEs != NULL) {
        uprv_free(elems->iteratordata_.extendCEs);
    }
    uprv_init_collIterate(elems->iteratordata_.coll, text, textLength, 
                          &elems->iteratordata_, status);

    elems->reset_   = TRUE;
}

U_CAPI int32_t U_EXPORT2
ucol_getOffset(const UCollationElements *elems)
{
  const collIterate *ci = &(elems->iteratordata_);

  if (ci->offsetRepeatCount > 0 && ci->offsetRepeatValue != 0) {
      return ci->offsetRepeatValue;
  }

  if (ci->offsetReturn != NULL) {
      return *ci->offsetReturn;
  }

  // while processing characters in normalization buffer getOffset will 
  // return the next non-normalized character. 
  // should be inline with the old implementation since the old codes uses
  // nextDecomp in normalizer which also decomposes the string till the 
  // first base character is found.
  if (ci->flags & UCOL_ITER_INNORMBUF) {
      if (ci->fcdPosition == NULL) {
        return 0;
      }
      return (int32_t)(ci->fcdPosition - ci->string);
  }
  else {
      return (int32_t)(ci->pos - ci->string);
  }
}

U_CAPI void U_EXPORT2
ucol_setOffset(UCollationElements    *elems,
               int32_t           offset,
               UErrorCode            *status)
{
    if (U_FAILURE(*status)) {
        return;
    }

    // this methods will clean up any use of the writable buffer and points to 
    // the original string
    collIterate *ci = &(elems->iteratordata_);
    ci->pos         = ci->string + offset;
    ci->CEpos       = ci->toReturn = ci->CEs;
    if (ci->flags & UCOL_ITER_INNORMBUF) {
        ci->flags = ci->origFlags;
    }
    if ((ci->flags & UCOL_ITER_HASLEN) == 0) {
        ci->endp  = ci->string + u_strlen(ci->string);
        ci->flags |= UCOL_ITER_HASLEN;
    }
    ci->fcdPosition = NULL;
    elems->reset_ = FALSE;

	ci->offsetReturn = NULL;
    ci->offsetStore = ci->offsetBuffer;
	ci->offsetRepeatCount = ci->offsetRepeatValue = 0;
}

U_CAPI int32_t U_EXPORT2
ucol_primaryOrder (int32_t order) 
{
    order &= UCOL_PRIMARYMASK;
    return (order >> UCOL_PRIMARYORDERSHIFT);
}

U_CAPI int32_t U_EXPORT2
ucol_secondaryOrder (int32_t order) 
{
    order &= UCOL_SECONDARYMASK;
    return (order >> UCOL_SECONDARYORDERSHIFT);
}

U_CAPI int32_t U_EXPORT2
ucol_tertiaryOrder (int32_t order) 
{
    return (order & UCOL_TERTIARYMASK);
}


void ucol_freeOffsetBuffer(collIterate *s) {
    if (s != NULL && s->offsetBuffer != NULL) {
        uprv_free(s->offsetBuffer);
        s->offsetBuffer = NULL;
        s->offsetBufferSize = 0;
    }
}

#endif /* #if !UCONFIG_NO_COLLATION */