1411 lines
50 KiB
C++
1411 lines
50 KiB
C++
/*
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*******************************************************************************
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*
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* Copyright (C) 2001-2013, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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*******************************************************************************
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* file name: ucol_bld.cpp
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* created 02/22/2001
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* created by: Vladimir Weinstein
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*
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* This module builds a collator based on the rule set.
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*
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_COLLATION
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#include "unicode/ucoleitr.h"
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#include "unicode/udata.h"
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#include "unicode/uchar.h"
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#include "unicode/uniset.h"
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#include "unicode/uscript.h"
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#include "unicode/ustring.h"
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#include "unicode/utf16.h"
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#include "normalizer2impl.h"
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#include "uassert.h"
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#include "ucol_bld.h"
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#include "ucol_elm.h"
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#include "ucol_cnt.h"
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#include "ucln_in.h"
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#include "umutex.h"
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#include "cmemory.h"
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#include "cstring.h"
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#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
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static const InverseUCATableHeader* _staticInvUCA = NULL;
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static UDataMemory* invUCA_DATA_MEM = NULL;
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static icu::UInitOnce gStaticInvUCAInitOnce = U_INITONCE_INITIALIZER;
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U_CDECL_BEGIN
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static UBool U_CALLCONV
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isAcceptableInvUCA(void * /*context*/,
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const char * /*type*/, const char * /*name*/,
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const UDataInfo *pInfo)
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{
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/* context, type & name are intentionally not used */
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if( pInfo->size>=20 &&
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pInfo->isBigEndian==U_IS_BIG_ENDIAN &&
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pInfo->charsetFamily==U_CHARSET_FAMILY &&
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pInfo->dataFormat[0]==INVUCA_DATA_FORMAT_0 && /* dataFormat="InvC" */
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pInfo->dataFormat[1]==INVUCA_DATA_FORMAT_1 &&
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pInfo->dataFormat[2]==INVUCA_DATA_FORMAT_2 &&
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pInfo->dataFormat[3]==INVUCA_DATA_FORMAT_3 &&
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pInfo->formatVersion[0]==INVUCA_FORMAT_VERSION_0 &&
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pInfo->formatVersion[1]>=INVUCA_FORMAT_VERSION_1 //&&
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//pInfo->formatVersion[1]==INVUCA_FORMAT_VERSION_1 &&
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//pInfo->formatVersion[2]==INVUCA_FORMAT_VERSION_2 &&
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//pInfo->formatVersion[3]==INVUCA_FORMAT_VERSION_3 &&
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)
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{
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// TODO: Check that the invuca data version (pInfo->dataVersion)
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// matches the ucadata version.
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return TRUE;
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} else {
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return FALSE;
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}
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}
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U_CDECL_END
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/*
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* Takes two CEs (lead and continuation) and
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* compares them as CEs should be compared:
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* primary vs. primary, secondary vs. secondary
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* tertiary vs. tertiary
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*/
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static int32_t compareCEs(uint32_t source0, uint32_t source1, uint32_t target0, uint32_t target1) {
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uint32_t s1 = source0, s2, t1 = target0, t2;
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if(isContinuation(source1)) {
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s2 = source1;
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} else {
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s2 = 0;
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}
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if(isContinuation(target1)) {
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t2 = target1;
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} else {
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t2 = 0;
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}
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uint32_t s = 0, t = 0;
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if(s1 == t1 && s2 == t2) {
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return 0;
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}
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s = (s1 & 0xFFFF0000)|((s2 & 0xFFFF0000)>>16);
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t = (t1 & 0xFFFF0000)|((t2 & 0xFFFF0000)>>16);
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if(s < t) {
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return -1;
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} else if(s > t) {
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return 1;
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} else {
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s = (s1 & 0x0000FF00) | (s2 & 0x0000FF00)>>8;
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t = (t1 & 0x0000FF00) | (t2 & 0x0000FF00)>>8;
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if(s < t) {
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return -1;
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} else if(s > t) {
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return 1;
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} else {
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s = (s1 & 0x000000FF)<<8 | (s2 & 0x000000FF);
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t = (t1 & 0x000000FF)<<8 | (t2 & 0x000000FF);
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if(s < t) {
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return -1;
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} else {
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return 1;
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}
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}
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}
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}
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static
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int32_t ucol_inv_findCE(const UColTokenParser *src, uint32_t CE, uint32_t SecondCE) {
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uint32_t bottom = 0, top = src->invUCA->tableSize;
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uint32_t i = 0;
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uint32_t first = 0, second = 0;
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uint32_t *CETable = (uint32_t *)((uint8_t *)src->invUCA+src->invUCA->table);
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int32_t res = 0;
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while(bottom < top-1) {
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i = (top+bottom)/2;
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first = *(CETable+3*i);
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second = *(CETable+3*i+1);
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res = compareCEs(first, second, CE, SecondCE);
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if(res > 0) {
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top = i;
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} else if(res < 0) {
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bottom = i;
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} else {
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break;
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}
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}
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/* weiv: */
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/* in searching for elements, I have removed the failure */
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/* The reason for this is that the builder does not rely */
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/* on search mechanism telling it that it didn't find an */
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/* element. However, indirect positioning relies on being */
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/* able to find the elements around any CE, even if it is */
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/* not defined in the UCA. */
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return i;
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/*
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if((first == CE && second == SecondCE)) {
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return i;
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} else {
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return -1;
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}
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*/
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}
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static const uint32_t strengthMask[UCOL_CE_STRENGTH_LIMIT] = {
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0xFFFF0000,
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0xFFFFFF00,
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0xFFFFFFFF
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};
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U_CAPI int32_t U_EXPORT2 ucol_inv_getNextCE(const UColTokenParser *src,
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uint32_t CE, uint32_t contCE,
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uint32_t *nextCE, uint32_t *nextContCE,
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uint32_t strength)
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{
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uint32_t *CETable = (uint32_t *)((uint8_t *)src->invUCA+src->invUCA->table);
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int32_t iCE;
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iCE = ucol_inv_findCE(src, CE, contCE);
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if(iCE<0) {
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*nextCE = UCOL_NOT_FOUND;
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return -1;
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}
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CE &= strengthMask[strength];
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contCE &= strengthMask[strength];
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*nextCE = CE;
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*nextContCE = contCE;
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while((*nextCE & strengthMask[strength]) == CE
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&& (*nextContCE & strengthMask[strength]) == contCE)
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{
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*nextCE = (*(CETable+3*(++iCE)));
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*nextContCE = (*(CETable+3*(iCE)+1));
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}
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return iCE;
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}
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U_CFUNC int32_t U_EXPORT2 ucol_inv_getPrevCE(const UColTokenParser *src,
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uint32_t CE, uint32_t contCE,
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uint32_t *prevCE, uint32_t *prevContCE,
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uint32_t strength)
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{
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uint32_t *CETable = (uint32_t *)((uint8_t *)src->invUCA+src->invUCA->table);
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int32_t iCE;
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iCE = ucol_inv_findCE(src, CE, contCE);
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if(iCE<0) {
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*prevCE = UCOL_NOT_FOUND;
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return -1;
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}
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CE &= strengthMask[strength];
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contCE &= strengthMask[strength];
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*prevCE = CE;
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*prevContCE = contCE;
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while((*prevCE & strengthMask[strength]) == CE
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&& (*prevContCE & strengthMask[strength])== contCE
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&& iCE > 0) /* this condition should prevent falling off the edge of the world */
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{
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/* here, we end up in a singularity - zero */
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*prevCE = (*(CETable+3*(--iCE)));
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*prevContCE = (*(CETable+3*(iCE)+1));
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}
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return iCE;
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}
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U_CFUNC uint32_t U_EXPORT2 ucol_getCEStrengthDifference(uint32_t CE, uint32_t contCE,
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uint32_t prevCE, uint32_t prevContCE)
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{
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if(prevCE == CE && prevContCE == contCE) {
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return UCOL_IDENTICAL;
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}
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if((prevCE & strengthMask[UCOL_PRIMARY]) != (CE & strengthMask[UCOL_PRIMARY])
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|| (prevContCE & strengthMask[UCOL_PRIMARY]) != (contCE & strengthMask[UCOL_PRIMARY]))
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{
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return UCOL_PRIMARY;
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}
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if((prevCE & strengthMask[UCOL_SECONDARY]) != (CE & strengthMask[UCOL_SECONDARY])
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|| (prevContCE & strengthMask[UCOL_SECONDARY]) != (contCE & strengthMask[UCOL_SECONDARY]))
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{
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return UCOL_SECONDARY;
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}
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return UCOL_TERTIARY;
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}
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/*static
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inline int32_t ucol_inv_getPrevious(UColTokenParser *src, UColTokListHeader *lh, uint32_t strength) {
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uint32_t CE = lh->baseCE;
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uint32_t SecondCE = lh->baseContCE;
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uint32_t *CETable = (uint32_t *)((uint8_t *)src->invUCA+src->invUCA->table);
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uint32_t previousCE, previousContCE;
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int32_t iCE;
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iCE = ucol_inv_findCE(src, CE, SecondCE);
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if(iCE<0) {
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return -1;
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}
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CE &= strengthMask[strength];
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SecondCE &= strengthMask[strength];
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previousCE = CE;
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previousContCE = SecondCE;
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while((previousCE & strengthMask[strength]) == CE && (previousContCE & strengthMask[strength])== SecondCE) {
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previousCE = (*(CETable+3*(--iCE)));
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previousContCE = (*(CETable+3*(iCE)+1));
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}
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lh->previousCE = previousCE;
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lh->previousContCE = previousContCE;
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return iCE;
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}*/
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static
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inline int32_t ucol_inv_getNext(UColTokenParser *src, UColTokListHeader *lh, uint32_t strength) {
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uint32_t CE = lh->baseCE;
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uint32_t SecondCE = lh->baseContCE;
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uint32_t *CETable = (uint32_t *)((uint8_t *)src->invUCA+src->invUCA->table);
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uint32_t nextCE, nextContCE;
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int32_t iCE;
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iCE = ucol_inv_findCE(src, CE, SecondCE);
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if(iCE<0) {
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return -1;
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}
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CE &= strengthMask[strength];
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SecondCE &= strengthMask[strength];
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nextCE = CE;
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nextContCE = SecondCE;
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while((nextCE & strengthMask[strength]) == CE
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&& (nextContCE & strengthMask[strength]) == SecondCE)
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{
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nextCE = (*(CETable+3*(++iCE)));
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nextContCE = (*(CETable+3*(iCE)+1));
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}
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lh->nextCE = nextCE;
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lh->nextContCE = nextContCE;
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return iCE;
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}
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static void ucol_inv_getGapPositions(UColTokenParser *src, UColTokListHeader *lh, UErrorCode *status) {
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/* reset all the gaps */
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int32_t i = 0;
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uint32_t *CETable = (uint32_t *)((uint8_t *)src->invUCA+src->invUCA->table);
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uint32_t st = 0;
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uint32_t t1, t2;
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int32_t pos;
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UColToken *tok = lh->first;
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uint32_t tokStrength = tok->strength;
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for(i = 0; i<3; i++) {
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lh->gapsHi[3*i] = 0;
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lh->gapsHi[3*i+1] = 0;
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lh->gapsHi[3*i+2] = 0;
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lh->gapsLo[3*i] = 0;
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lh->gapsLo[3*i+1] = 0;
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lh->gapsLo[3*i+2] = 0;
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lh->numStr[i] = 0;
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lh->fStrToken[i] = NULL;
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lh->lStrToken[i] = NULL;
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lh->pos[i] = -1;
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}
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UCAConstants *consts = (UCAConstants *)((uint8_t *)src->UCA->image + src->UCA->image->UCAConsts);
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if((lh->baseCE & 0xFF000000)>= (consts->UCA_PRIMARY_IMPLICIT_MIN<<24) && (lh->baseCE & 0xFF000000) <= (consts->UCA_PRIMARY_IMPLICIT_MAX<<24) ) { /* implicits - */
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//if(lh->baseCE >= PRIMARY_IMPLICIT_MIN && lh->baseCE < PRIMARY_IMPLICIT_MAX ) { /* implicits - */
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lh->pos[0] = 0;
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t1 = lh->baseCE;
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t2 = lh->baseContCE & UCOL_REMOVE_CONTINUATION;
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lh->gapsLo[0] = (t1 & UCOL_PRIMARYMASK) | (t2 & UCOL_PRIMARYMASK) >> 16;
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lh->gapsLo[1] = (t1 & UCOL_SECONDARYMASK) << 16 | (t2 & UCOL_SECONDARYMASK) << 8;
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lh->gapsLo[2] = (UCOL_TERTIARYORDER(t1)) << 24 | (UCOL_TERTIARYORDER(t2)) << 16;
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uint32_t primaryCE = (t1 & UCOL_PRIMARYMASK) | ((t2 & UCOL_PRIMARYMASK) >> 16);
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primaryCE = uprv_uca_getImplicitFromRaw(uprv_uca_getRawFromImplicit(primaryCE)+1);
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t1 = (primaryCE & UCOL_PRIMARYMASK) | 0x0505;
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t2 = (primaryCE << 16) & UCOL_PRIMARYMASK; // | UCOL_CONTINUATION_MARKER;
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lh->gapsHi[0] = (t1 & UCOL_PRIMARYMASK) | (t2 & UCOL_PRIMARYMASK) >> 16;
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lh->gapsHi[1] = (t1 & UCOL_SECONDARYMASK) << 16 | (t2 & UCOL_SECONDARYMASK) << 8;
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lh->gapsHi[2] = (UCOL_TERTIARYORDER(t1)) << 24 | (UCOL_TERTIARYORDER(t2)) << 16;
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} else if(lh->indirect == TRUE && lh->nextCE != 0) {
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//} else if(lh->baseCE == UCOL_RESET_TOP_VALUE && lh->baseContCE == 0) {
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lh->pos[0] = 0;
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t1 = lh->baseCE;
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t2 = lh->baseContCE&UCOL_REMOVE_CONTINUATION;
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lh->gapsLo[0] = (t1 & UCOL_PRIMARYMASK) | (t2 & UCOL_PRIMARYMASK) >> 16;
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lh->gapsLo[1] = (t1 & UCOL_SECONDARYMASK) << 16 | (t2 & UCOL_SECONDARYMASK) << 8;
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lh->gapsLo[2] = (UCOL_TERTIARYORDER(t1)) << 24 | (UCOL_TERTIARYORDER(t2)) << 16;
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t1 = lh->nextCE;
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t2 = lh->nextContCE&UCOL_REMOVE_CONTINUATION;
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lh->gapsHi[0] = (t1 & UCOL_PRIMARYMASK) | (t2 & UCOL_PRIMARYMASK) >> 16;
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lh->gapsHi[1] = (t1 & UCOL_SECONDARYMASK) << 16 | (t2 & UCOL_SECONDARYMASK) << 8;
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lh->gapsHi[2] = (UCOL_TERTIARYORDER(t1)) << 24 | (UCOL_TERTIARYORDER(t2)) << 16;
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} else {
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for(;;) {
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if(tokStrength < UCOL_CE_STRENGTH_LIMIT) {
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if((lh->pos[tokStrength] = ucol_inv_getNext(src, lh, tokStrength)) >= 0) {
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lh->fStrToken[tokStrength] = tok;
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} else { /* The CE must be implicit, since it's not in the table */
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/* Error */
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*status = U_INTERNAL_PROGRAM_ERROR;
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}
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}
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while(tok != NULL && tok->strength >= tokStrength) {
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if(tokStrength < UCOL_CE_STRENGTH_LIMIT) {
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lh->lStrToken[tokStrength] = tok;
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}
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tok = tok->next;
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}
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if(tokStrength < UCOL_CE_STRENGTH_LIMIT-1) {
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/* check if previous interval is the same and merge the intervals if it is so */
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if(lh->pos[tokStrength] == lh->pos[tokStrength+1]) {
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lh->fStrToken[tokStrength] = lh->fStrToken[tokStrength+1];
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lh->fStrToken[tokStrength+1] = NULL;
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lh->lStrToken[tokStrength+1] = NULL;
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lh->pos[tokStrength+1] = -1;
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}
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}
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if(tok != NULL) {
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tokStrength = tok->strength;
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} else {
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break;
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}
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}
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for(st = 0; st < 3; st++) {
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if((pos = lh->pos[st]) >= 0) {
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t1 = *(CETable+3*(pos));
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t2 = *(CETable+3*(pos)+1);
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lh->gapsHi[3*st] = (t1 & UCOL_PRIMARYMASK) | (t2 & UCOL_PRIMARYMASK) >> 16;
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lh->gapsHi[3*st+1] = (t1 & UCOL_SECONDARYMASK) << 16 | (t2 & UCOL_SECONDARYMASK) << 8;
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//lh->gapsHi[3*st+2] = (UCOL_TERTIARYORDER(t1)) << 24 | (UCOL_TERTIARYORDER(t2)) << 16;
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lh->gapsHi[3*st+2] = (t1&0x3f) << 24 | (t2&0x3f) << 16;
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//pos--;
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//t1 = *(CETable+3*(pos));
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//t2 = *(CETable+3*(pos)+1);
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t1 = lh->baseCE;
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t2 = lh->baseContCE;
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lh->gapsLo[3*st] = (t1 & UCOL_PRIMARYMASK) | (t2 & UCOL_PRIMARYMASK) >> 16;
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lh->gapsLo[3*st+1] = (t1 & UCOL_SECONDARYMASK) << 16 | (t2 & UCOL_SECONDARYMASK) << 8;
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lh->gapsLo[3*st+2] = (t1&0x3f) << 24 | (t2&0x3f) << 16;
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}
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}
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}
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}
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#define ucol_countBytes(value, noOfBytes) \
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{ \
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uint32_t mask = 0xFFFFFFFF; \
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(noOfBytes) = 0; \
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while(mask != 0) { \
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if(((value) & mask) != 0) { \
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(noOfBytes)++; \
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} \
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mask >>= 8; \
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} \
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}
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static uint32_t ucol_getNextGenerated(ucolCEGenerator *g, UErrorCode *status) {
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if(U_SUCCESS(*status)) {
|
|
g->current = ucol_nextWeight(g->ranges, &g->noOfRanges);
|
|
}
|
|
return g->current;
|
|
}
|
|
|
|
static uint32_t ucol_getSimpleCEGenerator(ucolCEGenerator *g, UColToken *tok, uint32_t strength, UErrorCode *status) {
|
|
/* TODO: rename to enum names */
|
|
uint32_t high, low, count=1;
|
|
uint32_t maxByte = (strength == UCOL_TERTIARY)?0x3F:0xFF;
|
|
|
|
if(strength == UCOL_SECONDARY) {
|
|
low = UCOL_COMMON_TOP2<<24;
|
|
high = 0xFFFFFFFF;
|
|
count = 0xFF - UCOL_COMMON_TOP2;
|
|
} else {
|
|
low = UCOL_BYTE_COMMON << 24; //0x05000000;
|
|
high = 0x40000000;
|
|
count = 0x40 - UCOL_BYTE_COMMON;
|
|
}
|
|
|
|
if(tok->next != NULL && tok->next->strength == strength) {
|
|
count = tok->next->toInsert;
|
|
}
|
|
|
|
g->noOfRanges = ucol_allocWeights(low, high, count, maxByte, g->ranges);
|
|
g->current = UCOL_BYTE_COMMON<<24;
|
|
|
|
if(g->noOfRanges == 0) {
|
|
*status = U_INTERNAL_PROGRAM_ERROR;
|
|
}
|
|
return g->current;
|
|
}
|
|
|
|
static uint32_t ucol_getCEGenerator(ucolCEGenerator *g, uint32_t* lows, uint32_t* highs, UColToken *tok, uint32_t fStrength, UErrorCode *status) {
|
|
uint32_t strength = tok->strength;
|
|
uint32_t low = lows[fStrength*3+strength];
|
|
uint32_t high = highs[fStrength*3+strength];
|
|
uint32_t maxByte = 0;
|
|
if(strength == UCOL_TERTIARY) {
|
|
maxByte = 0x3F;
|
|
} else if(strength == UCOL_PRIMARY) {
|
|
maxByte = 0xFE;
|
|
} else {
|
|
maxByte = 0xFF;
|
|
}
|
|
|
|
uint32_t count = tok->toInsert;
|
|
|
|
if(low >= high && strength > UCOL_PRIMARY) {
|
|
int32_t s = strength;
|
|
for(;;) {
|
|
s--;
|
|
if(lows[fStrength*3+s] != highs[fStrength*3+s]) {
|
|
if(strength == UCOL_SECONDARY) {
|
|
if (low < UCOL_COMMON_TOP2<<24 ) {
|
|
// Override if low range is less than UCOL_COMMON_TOP2.
|
|
low = UCOL_COMMON_TOP2<<24;
|
|
}
|
|
high = 0xFFFFFFFF;
|
|
} else {
|
|
// Override if low range is less than UCOL_COMMON_BOT3.
|
|
if ( low < UCOL_COMMON_BOT3<<24 ) {
|
|
low = UCOL_COMMON_BOT3<<24;
|
|
}
|
|
high = 0x40000000;
|
|
}
|
|
break;
|
|
}
|
|
if(s<0) {
|
|
*status = U_INTERNAL_PROGRAM_ERROR;
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(low < 0x02000000) {
|
|
// We must not use CE weight byte 02, so we set it as the minimum lower bound.
|
|
// See http://site.icu-project.org/design/collation/bytes
|
|
low = 0x02000000;
|
|
}
|
|
|
|
if(strength == UCOL_SECONDARY) { /* similar as simple */
|
|
if(low >= (UCOL_COMMON_BOT2<<24) && low < (uint32_t)(UCOL_COMMON_TOP2<<24)) {
|
|
low = UCOL_COMMON_TOP2<<24;
|
|
}
|
|
if(high > (UCOL_COMMON_BOT2<<24) && high < (uint32_t)(UCOL_COMMON_TOP2<<24)) {
|
|
high = UCOL_COMMON_TOP2<<24;
|
|
}
|
|
if(low < (UCOL_COMMON_BOT2<<24)) {
|
|
g->noOfRanges = ucol_allocWeights(UCOL_BYTE_UNSHIFTED_MIN<<24, high, count, maxByte, g->ranges);
|
|
g->current = ucol_nextWeight(g->ranges, &g->noOfRanges);
|
|
//g->current = UCOL_COMMON_BOT2<<24;
|
|
return g->current;
|
|
}
|
|
}
|
|
|
|
g->noOfRanges = ucol_allocWeights(low, high, count, maxByte, g->ranges);
|
|
if(g->noOfRanges == 0) {
|
|
*status = U_INTERNAL_PROGRAM_ERROR;
|
|
}
|
|
g->current = ucol_nextWeight(g->ranges, &g->noOfRanges);
|
|
return g->current;
|
|
}
|
|
|
|
static
|
|
uint32_t u_toLargeKana(const UChar *source, const uint32_t sourceLen, UChar *resBuf, const uint32_t resLen, UErrorCode *status) {
|
|
uint32_t i = 0;
|
|
UChar c;
|
|
|
|
if(U_FAILURE(*status)) {
|
|
return 0;
|
|
}
|
|
|
|
if(sourceLen > resLen) {
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
for(i = 0; i < sourceLen; i++) {
|
|
c = source[i];
|
|
if(0x3041 <= c && c <= 0x30FA) { /* Kana range */
|
|
switch(c - 0x3000) {
|
|
case 0x41: case 0x43: case 0x45: case 0x47: case 0x49: case 0x63: case 0x83: case 0x85: case 0x8E:
|
|
case 0xA1: case 0xA3: case 0xA5: case 0xA7: case 0xA9: case 0xC3: case 0xE3: case 0xE5: case 0xEE:
|
|
c++;
|
|
break;
|
|
case 0xF5:
|
|
c = 0x30AB;
|
|
break;
|
|
case 0xF6:
|
|
c = 0x30B1;
|
|
break;
|
|
}
|
|
}
|
|
resBuf[i] = c;
|
|
}
|
|
return sourceLen;
|
|
}
|
|
|
|
static
|
|
uint32_t u_toSmallKana(const UChar *source, const uint32_t sourceLen, UChar *resBuf, const uint32_t resLen, UErrorCode *status) {
|
|
uint32_t i = 0;
|
|
UChar c;
|
|
|
|
if(U_FAILURE(*status)) {
|
|
return 0;
|
|
}
|
|
|
|
if(sourceLen > resLen) {
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
for(i = 0; i < sourceLen; i++) {
|
|
c = source[i];
|
|
if(0x3041 <= c && c <= 0x30FA) { /* Kana range */
|
|
switch(c - 0x3000) {
|
|
case 0x42: case 0x44: case 0x46: case 0x48: case 0x4A: case 0x64: case 0x84: case 0x86: case 0x8F:
|
|
case 0xA2: case 0xA4: case 0xA6: case 0xA8: case 0xAA: case 0xC4: case 0xE4: case 0xE6: case 0xEF:
|
|
c--;
|
|
break;
|
|
case 0xAB:
|
|
c = 0x30F5;
|
|
break;
|
|
case 0xB1:
|
|
c = 0x30F6;
|
|
break;
|
|
}
|
|
}
|
|
resBuf[i] = c;
|
|
}
|
|
return sourceLen;
|
|
}
|
|
|
|
U_NAMESPACE_BEGIN
|
|
|
|
static
|
|
uint8_t ucol_uprv_getCaseBits(const UCollator *UCA, const UChar *src, uint32_t len, UErrorCode *status) {
|
|
uint32_t i = 0;
|
|
UChar n[128];
|
|
uint32_t nLen = 0;
|
|
uint32_t uCount = 0, lCount = 0;
|
|
|
|
collIterate s;
|
|
uint32_t order = 0;
|
|
|
|
if(U_FAILURE(*status)) {
|
|
return UCOL_LOWER_CASE;
|
|
}
|
|
|
|
nLen = unorm_normalize(src, len, UNORM_NFKD, 0, n, 128, status);
|
|
if(U_SUCCESS(*status)) {
|
|
for(i = 0; i < nLen; i++) {
|
|
uprv_init_collIterate(UCA, &n[i], 1, &s, status);
|
|
order = ucol_getNextCE(UCA, &s, status);
|
|
if(isContinuation(order)) {
|
|
*status = U_INTERNAL_PROGRAM_ERROR;
|
|
return UCOL_LOWER_CASE;
|
|
}
|
|
if((order&UCOL_CASE_BIT_MASK)== UCOL_UPPER_CASE) {
|
|
uCount++;
|
|
} else {
|
|
if(u_islower(n[i])) {
|
|
lCount++;
|
|
} else if(U_SUCCESS(*status)) {
|
|
UChar sk[1], lk[1];
|
|
u_toSmallKana(&n[i], 1, sk, 1, status);
|
|
u_toLargeKana(&n[i], 1, lk, 1, status);
|
|
if(sk[0] == n[i] && lk[0] != n[i]) {
|
|
lCount++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(uCount != 0 && lCount != 0) {
|
|
return UCOL_MIXED_CASE;
|
|
} else if(uCount != 0) {
|
|
return UCOL_UPPER_CASE;
|
|
} else {
|
|
return UCOL_LOWER_CASE;
|
|
}
|
|
}
|
|
|
|
|
|
U_CFUNC void ucol_doCE(UColTokenParser *src, uint32_t *CEparts, UColToken *tok, UErrorCode *status) {
|
|
/* this one makes the table and stuff */
|
|
uint32_t noOfBytes[3];
|
|
uint32_t i;
|
|
|
|
for(i = 0; i<3; i++) {
|
|
ucol_countBytes(CEparts[i], noOfBytes[i]);
|
|
}
|
|
|
|
/* Here we have to pack CEs from parts */
|
|
|
|
uint32_t CEi = 0;
|
|
uint32_t value = 0;
|
|
|
|
while(2*CEi<noOfBytes[0] || CEi<noOfBytes[1] || CEi<noOfBytes[2]) {
|
|
if(CEi > 0) {
|
|
value = UCOL_CONTINUATION_MARKER; /* Continuation marker */
|
|
} else {
|
|
value = 0;
|
|
}
|
|
|
|
if(2*CEi<noOfBytes[0]) {
|
|
value |= ((CEparts[0]>>(32-16*(CEi+1))) & 0xFFFF) << 16;
|
|
}
|
|
if(CEi<noOfBytes[1]) {
|
|
value |= ((CEparts[1]>>(32-8*(CEi+1))) & 0xFF) << 8;
|
|
}
|
|
if(CEi<noOfBytes[2]) {
|
|
value |= ((CEparts[2]>>(32-8*(CEi+1))) & 0x3F);
|
|
}
|
|
tok->CEs[CEi] = value;
|
|
CEi++;
|
|
}
|
|
if(CEi == 0) { /* totally ignorable */
|
|
tok->noOfCEs = 1;
|
|
tok->CEs[0] = 0;
|
|
} else { /* there is at least something */
|
|
tok->noOfCEs = CEi;
|
|
}
|
|
|
|
|
|
// we want to set case bits here and now, not later.
|
|
// Case bits handling
|
|
if(tok->CEs[0] != 0) { // case bits should be set only for non-ignorables
|
|
tok->CEs[0] &= 0xFFFFFF3F; // Clean the case bits field
|
|
int32_t cSize = (tok->source & 0xFF000000) >> 24;
|
|
UChar *cPoints = (tok->source & 0x00FFFFFF) + src->source;
|
|
|
|
if(cSize > 1) {
|
|
// Do it manually
|
|
tok->CEs[0] |= ucol_uprv_getCaseBits(src->UCA, cPoints, cSize, status);
|
|
} else {
|
|
// Copy it from the UCA
|
|
uint32_t caseCE = ucol_getFirstCE(src->UCA, cPoints[0], status);
|
|
tok->CEs[0] |= (caseCE & 0xC0);
|
|
}
|
|
}
|
|
|
|
#if UCOL_DEBUG==2
|
|
fprintf(stderr, "%04X str: %i, [%08X, %08X, %08X]: tok: ", tok->debugSource, tok->strength, CEparts[0] >> (32-8*noOfBytes[0]), CEparts[1] >> (32-8*noOfBytes[1]), CEparts[2]>> (32-8*noOfBytes[2]));
|
|
for(i = 0; i<tok->noOfCEs; i++) {
|
|
fprintf(stderr, "%08X ", tok->CEs[i]);
|
|
}
|
|
fprintf(stderr, "\n");
|
|
#endif
|
|
}
|
|
|
|
U_CFUNC void ucol_initBuffers(UColTokenParser *src, UColTokListHeader *lh, UErrorCode *status) {
|
|
ucolCEGenerator Gens[UCOL_CE_STRENGTH_LIMIT];
|
|
uint32_t CEparts[UCOL_CE_STRENGTH_LIMIT];
|
|
|
|
UColToken *tok = lh->last;
|
|
uint32_t t[UCOL_STRENGTH_LIMIT];
|
|
|
|
uprv_memset(t, 0, UCOL_STRENGTH_LIMIT*sizeof(uint32_t));
|
|
|
|
/* must initialize ranges to avoid memory check warnings */
|
|
for (int i = 0; i < UCOL_CE_STRENGTH_LIMIT; i++) {
|
|
uprv_memset(Gens[i].ranges, 0, sizeof(Gens[i].ranges));
|
|
}
|
|
|
|
tok->toInsert = 1;
|
|
t[tok->strength] = 1;
|
|
|
|
while(tok->previous != NULL) {
|
|
if(tok->previous->strength < tok->strength) { /* going up */
|
|
t[tok->strength] = 0;
|
|
t[tok->previous->strength]++;
|
|
} else if(tok->previous->strength > tok->strength) { /* going down */
|
|
t[tok->previous->strength] = 1;
|
|
} else {
|
|
t[tok->strength]++;
|
|
}
|
|
tok=tok->previous;
|
|
tok->toInsert = t[tok->strength];
|
|
}
|
|
|
|
tok->toInsert = t[tok->strength];
|
|
ucol_inv_getGapPositions(src, lh, status);
|
|
|
|
#if UCOL_DEBUG
|
|
fprintf(stderr, "BaseCE: %08X %08X\n", lh->baseCE, lh->baseContCE);
|
|
int32_t j = 2;
|
|
for(j = 2; j >= 0; j--) {
|
|
fprintf(stderr, "gapsLo[%i] [%08X %08X %08X]\n", j, lh->gapsLo[j*3], lh->gapsLo[j*3+1], lh->gapsLo[j*3+2]);
|
|
fprintf(stderr, "gapsHi[%i] [%08X %08X %08X]\n", j, lh->gapsHi[j*3], lh->gapsHi[j*3+1], lh->gapsHi[j*3+2]);
|
|
}
|
|
tok=&lh->first[UCOL_TOK_POLARITY_POSITIVE];
|
|
|
|
do {
|
|
fprintf(stderr,"%i", tok->strength);
|
|
tok = tok->next;
|
|
} while(tok != NULL);
|
|
fprintf(stderr, "\n");
|
|
|
|
tok=&lh->first[UCOL_TOK_POLARITY_POSITIVE];
|
|
|
|
do {
|
|
fprintf(stderr,"%i", tok->toInsert);
|
|
tok = tok->next;
|
|
} while(tok != NULL);
|
|
#endif
|
|
|
|
tok = lh->first;
|
|
uint32_t fStrength = UCOL_IDENTICAL;
|
|
uint32_t initStrength = UCOL_IDENTICAL;
|
|
|
|
|
|
CEparts[UCOL_PRIMARY] = (lh->baseCE & UCOL_PRIMARYMASK) | (lh->baseContCE & UCOL_PRIMARYMASK) >> 16;
|
|
CEparts[UCOL_SECONDARY] = (lh->baseCE & UCOL_SECONDARYMASK) << 16 | (lh->baseContCE & UCOL_SECONDARYMASK) << 8;
|
|
CEparts[UCOL_TERTIARY] = (UCOL_TERTIARYORDER(lh->baseCE)) << 24 | (UCOL_TERTIARYORDER(lh->baseContCE)) << 16;
|
|
|
|
while (tok != NULL && U_SUCCESS(*status)) {
|
|
fStrength = tok->strength;
|
|
if(fStrength < initStrength) {
|
|
initStrength = fStrength;
|
|
if(lh->pos[fStrength] == -1) {
|
|
while(lh->pos[fStrength] == -1 && fStrength > 0) {
|
|
fStrength--;
|
|
}
|
|
if(lh->pos[fStrength] == -1) {
|
|
*status = U_INTERNAL_PROGRAM_ERROR;
|
|
return;
|
|
}
|
|
}
|
|
if(initStrength == UCOL_TERTIARY) { /* starting with tertiary */
|
|
CEparts[UCOL_PRIMARY] = lh->gapsLo[fStrength*3];
|
|
CEparts[UCOL_SECONDARY] = lh->gapsLo[fStrength*3+1];
|
|
/*CEparts[UCOL_TERTIARY] = ucol_getCEGenerator(&Gens[2], lh->gapsLo[fStrength*3+2], lh->gapsHi[fStrength*3+2], tok, UCOL_TERTIARY); */
|
|
CEparts[UCOL_TERTIARY] = ucol_getCEGenerator(&Gens[UCOL_TERTIARY], lh->gapsLo, lh->gapsHi, tok, fStrength, status);
|
|
} else if(initStrength == UCOL_SECONDARY) { /* secondaries */
|
|
CEparts[UCOL_PRIMARY] = lh->gapsLo[fStrength*3];
|
|
/*CEparts[1] = ucol_getCEGenerator(&Gens[1], lh->gapsLo[fStrength*3+1], lh->gapsHi[fStrength*3+1], tok, 1);*/
|
|
CEparts[UCOL_SECONDARY] = ucol_getCEGenerator(&Gens[UCOL_SECONDARY], lh->gapsLo, lh->gapsHi, tok, fStrength, status);
|
|
CEparts[UCOL_TERTIARY] = ucol_getSimpleCEGenerator(&Gens[UCOL_TERTIARY], tok, UCOL_TERTIARY, status);
|
|
} else { /* primaries */
|
|
/*CEparts[UCOL_PRIMARY] = ucol_getCEGenerator(&Gens[0], lh->gapsLo[0], lh->gapsHi[0], tok, UCOL_PRIMARY);*/
|
|
CEparts[UCOL_PRIMARY] = ucol_getCEGenerator(&Gens[UCOL_PRIMARY], lh->gapsLo, lh->gapsHi, tok, fStrength, status);
|
|
CEparts[UCOL_SECONDARY] = ucol_getSimpleCEGenerator(&Gens[UCOL_SECONDARY], tok, UCOL_SECONDARY, status);
|
|
CEparts[UCOL_TERTIARY] = ucol_getSimpleCEGenerator(&Gens[UCOL_TERTIARY], tok, UCOL_TERTIARY, status);
|
|
}
|
|
} else {
|
|
if(tok->strength == UCOL_TERTIARY) {
|
|
CEparts[UCOL_TERTIARY] = ucol_getNextGenerated(&Gens[UCOL_TERTIARY], status);
|
|
} else if(tok->strength == UCOL_SECONDARY) {
|
|
CEparts[UCOL_SECONDARY] = ucol_getNextGenerated(&Gens[UCOL_SECONDARY], status);
|
|
CEparts[UCOL_TERTIARY] = ucol_getSimpleCEGenerator(&Gens[UCOL_TERTIARY], tok, UCOL_TERTIARY, status);
|
|
} else if(tok->strength == UCOL_PRIMARY) {
|
|
CEparts[UCOL_PRIMARY] = ucol_getNextGenerated(&Gens[UCOL_PRIMARY], status);
|
|
CEparts[UCOL_SECONDARY] = ucol_getSimpleCEGenerator(&Gens[UCOL_SECONDARY], tok, UCOL_SECONDARY, status);
|
|
CEparts[UCOL_TERTIARY] = ucol_getSimpleCEGenerator(&Gens[UCOL_TERTIARY], tok, UCOL_TERTIARY, status);
|
|
}
|
|
}
|
|
ucol_doCE(src, CEparts, tok, status);
|
|
tok = tok->next;
|
|
}
|
|
}
|
|
|
|
U_CFUNC void ucol_createElements(UColTokenParser *src, tempUCATable *t, UColTokListHeader *lh, UErrorCode *status) {
|
|
UCAElements el;
|
|
UColToken *tok = lh->first;
|
|
UColToken *expt = NULL;
|
|
uint32_t i = 0, j = 0;
|
|
const Normalizer2Impl *nfcImpl = Normalizer2Factory::getNFCImpl(*status);
|
|
|
|
while(tok != NULL && U_SUCCESS(*status)) {
|
|
/* first, check if there are any expansions */
|
|
/* if there are expansions, we need to do a little bit more processing */
|
|
/* since parts of expansion can be tailored, while others are not */
|
|
if(tok->expansion != 0) {
|
|
uint32_t len = tok->expansion >> 24;
|
|
uint32_t currentSequenceLen = len;
|
|
uint32_t expOffset = tok->expansion & 0x00FFFFFF;
|
|
//uint32_t exp = currentSequenceLen | expOffset;
|
|
UColToken exp;
|
|
exp.source = currentSequenceLen | expOffset;
|
|
exp.rulesToParseHdl = &(src->source);
|
|
|
|
while(len > 0) {
|
|
currentSequenceLen = len;
|
|
while(currentSequenceLen > 0) {
|
|
exp.source = (currentSequenceLen << 24) | expOffset;
|
|
if((expt = (UColToken *)uhash_get(src->tailored, &exp)) != NULL && expt->strength != UCOL_TOK_RESET) { /* expansion is tailored */
|
|
uint32_t noOfCEsToCopy = expt->noOfCEs;
|
|
for(j = 0; j<noOfCEsToCopy; j++) {
|
|
tok->expCEs[tok->noOfExpCEs + j] = expt->CEs[j];
|
|
}
|
|
tok->noOfExpCEs += noOfCEsToCopy;
|
|
// Smart people never try to add codepoints and CEs.
|
|
// For some odd reason, it won't work.
|
|
expOffset += currentSequenceLen; //noOfCEsToCopy;
|
|
len -= currentSequenceLen; //noOfCEsToCopy;
|
|
break;
|
|
} else {
|
|
currentSequenceLen--;
|
|
}
|
|
}
|
|
if(currentSequenceLen == 0) { /* couldn't find any tailored subsequence */
|
|
/* will have to get one from UCA */
|
|
/* first, get the UChars from the rules */
|
|
/* then pick CEs out until there is no more and stuff them into expansion */
|
|
collIterate s;
|
|
uint32_t order = 0;
|
|
uprv_init_collIterate(src->UCA, expOffset + src->source, 1, &s, status);
|
|
|
|
for(;;) {
|
|
order = ucol_getNextCE(src->UCA, &s, status);
|
|
if(order == UCOL_NO_MORE_CES) {
|
|
break;
|
|
}
|
|
tok->expCEs[tok->noOfExpCEs++] = order;
|
|
}
|
|
expOffset++;
|
|
len--;
|
|
}
|
|
}
|
|
} else {
|
|
tok->noOfExpCEs = 0;
|
|
}
|
|
|
|
/* set the ucaelement with obtained values */
|
|
el.noOfCEs = tok->noOfCEs + tok->noOfExpCEs;
|
|
/* copy CEs */
|
|
for(i = 0; i<tok->noOfCEs; i++) {
|
|
el.CEs[i] = tok->CEs[i];
|
|
}
|
|
for(i = 0; i<tok->noOfExpCEs; i++) {
|
|
el.CEs[i+tok->noOfCEs] = tok->expCEs[i];
|
|
}
|
|
|
|
/* copy UChars */
|
|
// We kept prefix and source kind of together, as it is a kind of a contraction.
|
|
// However, now we have to slice the prefix off the main thing -
|
|
el.prefix = el.prefixChars;
|
|
el.cPoints = el.uchars;
|
|
if(tok->prefix != 0) { // we will just copy the prefix here, and adjust accordingly in the
|
|
// addPrefix function in ucol_elm. The reason is that we need to add both composed AND
|
|
// decomposed elements to the unsaf table.
|
|
el.prefixSize = tok->prefix>>24;
|
|
uprv_memcpy(el.prefix, src->source + (tok->prefix & 0x00FFFFFF), el.prefixSize*sizeof(UChar));
|
|
|
|
el.cSize = (tok->source >> 24)-(tok->prefix>>24);
|
|
uprv_memcpy(el.uchars, (tok->source & 0x00FFFFFF)+(tok->prefix>>24) + src->source, el.cSize*sizeof(UChar));
|
|
} else {
|
|
el.prefixSize = 0;
|
|
*el.prefix = 0;
|
|
|
|
el.cSize = (tok->source >> 24);
|
|
uprv_memcpy(el.uchars, (tok->source & 0x00FFFFFF) + src->source, el.cSize*sizeof(UChar));
|
|
}
|
|
if(src->UCA != NULL) {
|
|
for(i = 0; i<el.cSize; i++) {
|
|
if(UCOL_ISJAMO(el.cPoints[i])) {
|
|
t->image->jamoSpecial = TRUE;
|
|
}
|
|
}
|
|
if (!src->buildCCTabFlag && el.cSize > 0) {
|
|
// Check the trailing canonical combining class (tccc) of the last character.
|
|
const UChar *s = el.cPoints + el.cSize;
|
|
uint16_t fcd = nfcImpl->previousFCD16(el.cPoints, s);
|
|
if ((fcd & 0xff) != 0) {
|
|
src->buildCCTabFlag = TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* and then, add it */
|
|
#if UCOL_DEBUG==2
|
|
fprintf(stderr, "Adding: %04X with %08X\n", el.cPoints[0], el.CEs[0]);
|
|
#endif
|
|
uprv_uca_addAnElement(t, &el, status);
|
|
|
|
#if UCOL_DEBUG_DUPLICATES
|
|
if(*status != U_ZERO_ERROR) {
|
|
fprintf(stderr, "replaced CE for %04X with CE for %04X\n", el.cPoints[0], tok->debugSource);
|
|
*status = U_ZERO_ERROR;
|
|
}
|
|
#endif
|
|
|
|
tok = tok->next;
|
|
}
|
|
}
|
|
|
|
U_CDECL_BEGIN
|
|
static UBool U_CALLCONV
|
|
_processUCACompleteIgnorables(const void *context, UChar32 start, UChar32 limit, uint32_t value) {
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
tempUCATable *t = (tempUCATable *)context;
|
|
if(value == 0) {
|
|
while(start < limit) {
|
|
uint32_t CE = utrie_get32(t->mapping, start, NULL);
|
|
if(CE == UCOL_NOT_FOUND) {
|
|
UCAElements el;
|
|
el.isThai = FALSE;
|
|
el.prefixSize = 0;
|
|
el.prefixChars[0] = 0;
|
|
el.prefix = el.prefixChars;
|
|
el.cPoints = el.uchars;
|
|
|
|
el.cSize = 0;
|
|
U16_APPEND_UNSAFE(el.uchars, el.cSize, start);
|
|
|
|
el.noOfCEs = 1;
|
|
el.CEs[0] = 0;
|
|
uprv_uca_addAnElement(t, &el, &status);
|
|
|
|
}
|
|
start++;
|
|
}
|
|
}
|
|
if(U_FAILURE(status)) {
|
|
return FALSE;
|
|
} else {
|
|
return TRUE;
|
|
}
|
|
}
|
|
U_CDECL_END
|
|
|
|
static void
|
|
ucol_uprv_bld_copyRangeFromUCA(UColTokenParser *src, tempUCATable *t,
|
|
UChar32 start, UChar32 end,
|
|
UErrorCode *status)
|
|
{
|
|
//UChar decomp[256];
|
|
uint32_t CE = UCOL_NOT_FOUND;
|
|
UChar32 u = 0;
|
|
UCAElements el;
|
|
el.isThai = FALSE;
|
|
el.prefixSize = 0;
|
|
el.prefixChars[0] = 0;
|
|
collIterate colIt;
|
|
|
|
if(U_SUCCESS(*status)) {
|
|
for(u = start; u<=end; u++) {
|
|
if((CE = utrie_get32(t->mapping, u, NULL)) == UCOL_NOT_FOUND
|
|
/* this test is for contractions that are missing the starting element. */
|
|
|| ((isCntTableElement(CE)) &&
|
|
(uprv_cnttab_getCE(t->contractions, CE, 0, status) == UCOL_NOT_FOUND))
|
|
)
|
|
{
|
|
el.cSize = 0;
|
|
U16_APPEND_UNSAFE(el.uchars, el.cSize, u);
|
|
//decomp[0] = (UChar)u;
|
|
//el.uchars[0] = (UChar)u;
|
|
el.cPoints = el.uchars;
|
|
//el.cSize = 1;
|
|
el.noOfCEs = 0;
|
|
el.prefix = el.prefixChars;
|
|
el.prefixSize = 0;
|
|
//uprv_init_collIterate(src->UCA, decomp, 1, &colIt);
|
|
// We actually want to check whether this element is a special
|
|
// If it is an implicit element (hangul, CJK - we want to copy the
|
|
// special, not the resolved CEs) - for hangul, copying resolved
|
|
// would just make things the same (there is an expansion and it
|
|
// takes approximately the same amount of time to resolve as
|
|
// falling back to the UCA).
|
|
/*
|
|
UTRIE_GET32(src->UCA->mapping, u, CE);
|
|
tag = getCETag(CE);
|
|
if(tag == HANGUL_SYLLABLE_TAG || tag == CJK_IMPLICIT_TAG
|
|
|| tag == IMPLICIT_TAG || tag == TRAIL_SURROGATE_TAG
|
|
|| tag == LEAD_SURROGATE_TAG) {
|
|
el.CEs[el.noOfCEs++] = CE;
|
|
} else {
|
|
*/
|
|
// It turns out that it does not make sense to keep implicits
|
|
// unresolved. The cost of resolving them is big enough so that
|
|
// it doesn't make any difference whether we have to go to the UCA
|
|
// or not.
|
|
{
|
|
uprv_init_collIterate(src->UCA, el.uchars, el.cSize, &colIt, status);
|
|
while(CE != UCOL_NO_MORE_CES) {
|
|
CE = ucol_getNextCE(src->UCA, &colIt, status);
|
|
if(CE != UCOL_NO_MORE_CES) {
|
|
el.CEs[el.noOfCEs++] = CE;
|
|
}
|
|
}
|
|
}
|
|
uprv_uca_addAnElement(t, &el, status);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
U_NAMESPACE_END
|
|
|
|
U_CFUNC UCATableHeader *
|
|
ucol_assembleTailoringTable(UColTokenParser *src, UErrorCode *status) {
|
|
U_NAMESPACE_USE
|
|
|
|
uint32_t i = 0;
|
|
if(U_FAILURE(*status)) {
|
|
return NULL;
|
|
}
|
|
/*
|
|
2. Eliminate the negative lists by doing the following for each non-null negative list:
|
|
o if previousCE(baseCE, strongestN) != some ListHeader X's baseCE,
|
|
create new ListHeader X
|
|
o reverse the list, add to the end of X's positive list. Reset the strength of the
|
|
first item you add, based on the stronger strength levels of the two lists.
|
|
*/
|
|
/*
|
|
3. For each ListHeader with a non-null positive list:
|
|
*/
|
|
/*
|
|
o Find all character strings with CEs between the baseCE and the
|
|
next/previous CE, at the strength of the first token. Add these to the
|
|
tailoring.
|
|
? That is, if UCA has ... x <<< X << x' <<< X' < y ..., and the
|
|
tailoring has & x < z...
|
|
? Then we change the tailoring to & x <<< X << x' <<< X' < z ...
|
|
*/
|
|
/* It is possible that this part should be done even while constructing list */
|
|
/* The problem is that it is unknown what is going to be the strongest weight */
|
|
/* So we might as well do it here */
|
|
|
|
/*
|
|
o Allocate CEs for each token in the list, based on the total number N of the
|
|
largest level difference, and the gap G between baseCE and nextCE at that
|
|
level. The relation * between the last item and nextCE is the same as the
|
|
strongest strength.
|
|
o Example: baseCE < a << b <<< q << c < d < e * nextCE(X,1)
|
|
? There are 3 primary items: a, d, e. Fit them into the primary gap.
|
|
Then fit b and c into the secondary gap between a and d, then fit q
|
|
into the tertiary gap between b and c.
|
|
|
|
o Example: baseCE << b <<< q << c * nextCE(X,2)
|
|
? There are 2 secondary items: b, c. Fit them into the secondary gap.
|
|
Then fit q into the tertiary gap between b and c.
|
|
o When incrementing primary values, we will not cross high byte
|
|
boundaries except where there is only a single-byte primary. That is to
|
|
ensure that the script reordering will continue to work.
|
|
*/
|
|
UCATableHeader *image = (UCATableHeader *)uprv_malloc(sizeof(UCATableHeader));
|
|
/* test for NULL */
|
|
if (image == NULL) {
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
return NULL;
|
|
}
|
|
uprv_memcpy(image, src->UCA->image, sizeof(UCATableHeader));
|
|
|
|
for(i = 0; i<src->resultLen; i++) {
|
|
/* now we need to generate the CEs */
|
|
/* We stuff the initial value in the buffers, and increase the appropriate buffer */
|
|
/* According to strength */
|
|
if(U_SUCCESS(*status)) {
|
|
if(src->lh[i].first) { // if there are any elements
|
|
// due to the way parser works, subsequent tailorings
|
|
// may remove all the elements from a sequence, therefore
|
|
// leaving an empty tailoring sequence.
|
|
ucol_initBuffers(src, &src->lh[i], status);
|
|
}
|
|
}
|
|
if(U_FAILURE(*status)) {
|
|
uprv_free(image);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
if(src->varTop != NULL) { /* stuff the variable top value */
|
|
src->opts->variableTopValue = (*(src->varTop->CEs))>>16;
|
|
/* remove it from the list */
|
|
if(src->varTop->listHeader->first == src->varTop) { /* first in list */
|
|
src->varTop->listHeader->first = src->varTop->next;
|
|
}
|
|
if(src->varTop->listHeader->last == src->varTop) { /* first in list */
|
|
src->varTop->listHeader->last = src->varTop->previous;
|
|
}
|
|
if(src->varTop->next != NULL) {
|
|
src->varTop->next->previous = src->varTop->previous;
|
|
}
|
|
if(src->varTop->previous != NULL) {
|
|
src->varTop->previous->next = src->varTop->next;
|
|
}
|
|
}
|
|
|
|
|
|
tempUCATable *t = uprv_uca_initTempTable(image, src->opts, src->UCA, NOT_FOUND_TAG, NOT_FOUND_TAG, status);
|
|
if(U_FAILURE(*status)) {
|
|
uprv_free(image);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/* After this, we have assigned CE values to all regular CEs */
|
|
/* now we will go through list once more and resolve expansions, */
|
|
/* make UCAElements structs and add them to table */
|
|
for(i = 0; i<src->resultLen; i++) {
|
|
/* now we need to generate the CEs */
|
|
/* We stuff the initial value in the buffers, and increase the appropriate buffer */
|
|
/* According to strength */
|
|
if(U_SUCCESS(*status)) {
|
|
ucol_createElements(src, t, &src->lh[i], status);
|
|
}
|
|
}
|
|
|
|
UCAElements el;
|
|
el.isThai = FALSE;
|
|
el.prefixSize = 0;
|
|
el.prefixChars[0] = 0;
|
|
|
|
/* add latin-1 stuff */
|
|
ucol_uprv_bld_copyRangeFromUCA(src, t, 0, 0xFF, status);
|
|
|
|
/* add stuff for copying */
|
|
if(src->copySet != NULL) {
|
|
int32_t i = 0;
|
|
UnicodeSet *set = (UnicodeSet *)src->copySet;
|
|
for(i = 0; i < set->getRangeCount(); i++) {
|
|
ucol_uprv_bld_copyRangeFromUCA(src, t, set->getRangeStart(i), set->getRangeEnd(i), status);
|
|
}
|
|
}
|
|
|
|
if(U_SUCCESS(*status)) {
|
|
/* copy contractions from the UCA - this is felt mostly for cyrillic*/
|
|
|
|
uint32_t tailoredCE = UCOL_NOT_FOUND;
|
|
UChar *conts = (UChar *)((uint8_t *)src->UCA->image + src->UCA->image->contractionUCACombos);
|
|
int32_t maxUCAContractionLength = src->UCA->image->contractionUCACombosWidth;
|
|
UCollationElements *ucaEl = ucol_openElements(src->UCA, NULL, 0, status);
|
|
// Check for null pointer
|
|
if (ucaEl == NULL) {
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
return NULL;
|
|
}
|
|
while(*conts != 0) {
|
|
// A continuation is NUL-terminated and NUL-padded
|
|
// except if it has the maximum length.
|
|
int32_t contractionLength = maxUCAContractionLength;
|
|
while(contractionLength > 0 && conts[contractionLength - 1] == 0) {
|
|
--contractionLength;
|
|
}
|
|
UChar32 first;
|
|
int32_t firstLength = 0;
|
|
U16_NEXT(conts, firstLength, contractionLength, first);
|
|
tailoredCE = utrie_get32(t->mapping, first, NULL);
|
|
if(tailoredCE != UCOL_NOT_FOUND) {
|
|
UBool needToAdd = TRUE;
|
|
if(isCntTableElement(tailoredCE)) {
|
|
if(uprv_cnttab_isTailored(t->contractions, tailoredCE, conts+firstLength, status) == TRUE) {
|
|
needToAdd = FALSE;
|
|
}
|
|
}
|
|
if (!needToAdd && isPrefix(tailoredCE) && *(conts+1)==0) {
|
|
UCAElements elm;
|
|
elm.cPoints = el.uchars;
|
|
elm.noOfCEs = 0;
|
|
elm.uchars[0] = *conts;
|
|
elm.uchars[1] = 0;
|
|
elm.cSize = 1;
|
|
elm.prefixChars[0] = *(conts+2);
|
|
elm.isThai = FALSE;
|
|
elm.prefix = elm.prefixChars;
|
|
elm.prefixSize = 1;
|
|
UCAElements *prefixEnt=(UCAElements *)uhash_get(t->prefixLookup, &elm);
|
|
if ((prefixEnt==NULL) || *(prefixEnt->prefix)!=*(conts+2)) {
|
|
needToAdd = TRUE;
|
|
}
|
|
}
|
|
if(src->removeSet != NULL && uset_contains(src->removeSet, first)) {
|
|
needToAdd = FALSE;
|
|
}
|
|
|
|
if(needToAdd == TRUE) { // we need to add if this contraction is not tailored.
|
|
if (*(conts+1) != 0) { // contractions
|
|
el.prefix = el.prefixChars;
|
|
el.prefixSize = 0;
|
|
el.cPoints = el.uchars;
|
|
el.noOfCEs = 0;
|
|
u_memcpy(el.uchars, conts, contractionLength);
|
|
el.cSize = contractionLength;
|
|
ucol_setText(ucaEl, el.uchars, el.cSize, status);
|
|
}
|
|
else { // pre-context character
|
|
UChar str[4] = { 0 };
|
|
int32_t len=0;
|
|
int32_t preKeyLen=0;
|
|
|
|
el.cPoints = el.uchars;
|
|
el.noOfCEs = 0;
|
|
el.uchars[0] = *conts;
|
|
el.uchars[1] = 0;
|
|
el.cSize = 1;
|
|
el.prefixChars[0] = *(conts+2);
|
|
el.prefix = el.prefixChars;
|
|
el.prefixSize = 1;
|
|
if (el.prefixChars[0]!=0) {
|
|
// get CE of prefix character first
|
|
str[0]=el.prefixChars[0];
|
|
str[1]=0;
|
|
ucol_setText(ucaEl, str, 1, status);
|
|
while ((int32_t)(el.CEs[el.noOfCEs] = ucol_next(ucaEl, status))
|
|
!= UCOL_NULLORDER) {
|
|
preKeyLen++; // count number of keys for prefix character
|
|
}
|
|
str[len++] = el.prefixChars[0];
|
|
}
|
|
|
|
str[len++] = el.uchars[0];
|
|
str[len]=0;
|
|
ucol_setText(ucaEl, str, len, status);
|
|
// Skip the keys for prefix character, then copy the rest to el.
|
|
while ((preKeyLen-->0) &&
|
|
(int32_t)(el.CEs[el.noOfCEs] = ucol_next(ucaEl, status)) != UCOL_NULLORDER) {
|
|
continue;
|
|
}
|
|
|
|
}
|
|
while ((int32_t)(el.CEs[el.noOfCEs] = ucol_next(ucaEl, status)) != UCOL_NULLORDER) {
|
|
el.noOfCEs++;
|
|
}
|
|
uprv_uca_addAnElement(t, &el, status);
|
|
}
|
|
|
|
} else if(src->removeSet != NULL && uset_contains(src->removeSet, first)) {
|
|
ucol_uprv_bld_copyRangeFromUCA(src, t, first, first, status);
|
|
}
|
|
conts+=maxUCAContractionLength;
|
|
}
|
|
ucol_closeElements(ucaEl);
|
|
}
|
|
|
|
// Add completely ignorable elements
|
|
utrie_enum(&t->UCA->mapping, NULL, _processUCACompleteIgnorables, t);
|
|
|
|
// add tailoring characters related canonical closures
|
|
uprv_uca_canonicalClosure(t, src, NULL, status);
|
|
|
|
/* still need to produce compatibility closure */
|
|
|
|
UCATableHeader *myData = uprv_uca_assembleTable(t, status);
|
|
|
|
uprv_uca_closeTempTable(t);
|
|
uprv_free(image);
|
|
|
|
return myData;
|
|
}
|
|
|
|
U_CDECL_BEGIN
|
|
static UBool U_CALLCONV
|
|
ucol_bld_cleanup(void)
|
|
{
|
|
udata_close(invUCA_DATA_MEM);
|
|
invUCA_DATA_MEM = NULL;
|
|
_staticInvUCA = NULL;
|
|
gStaticInvUCAInitOnce.reset();
|
|
return TRUE;
|
|
}
|
|
U_CDECL_END
|
|
|
|
static void U_CALLCONV initInverseUCA(UErrorCode &status) {
|
|
U_ASSERT(invUCA_DATA_MEM == NULL);
|
|
U_ASSERT(_staticInvUCA == NULL);
|
|
ucln_i18n_registerCleanup(UCLN_I18N_UCOL_BLD, ucol_bld_cleanup);
|
|
InverseUCATableHeader *newInvUCA = NULL;
|
|
UDataMemory *result = udata_openChoice(U_ICUDATA_COLL, INVC_DATA_TYPE, INVC_DATA_NAME, isAcceptableInvUCA, NULL, &status);
|
|
|
|
if(U_FAILURE(status)) {
|
|
if (result) {
|
|
udata_close(result);
|
|
}
|
|
// This is not needed, as we are talking about
|
|
// memory we got from UData
|
|
//uprv_free(newInvUCA);
|
|
return;
|
|
}
|
|
|
|
if(result != NULL) { /* It looks like sometimes we can fail to find the data file */
|
|
newInvUCA = (InverseUCATableHeader *)udata_getMemory(result);
|
|
UCollator *UCA = ucol_initUCA(&status);
|
|
// UCA versions of UCA and inverse UCA should match
|
|
if(uprv_memcmp(newInvUCA->UCAVersion, UCA->image->UCAVersion, sizeof(UVersionInfo)) != 0) {
|
|
status = U_INVALID_FORMAT_ERROR;
|
|
udata_close(result);
|
|
return;
|
|
}
|
|
|
|
invUCA_DATA_MEM = result;
|
|
_staticInvUCA = newInvUCA;
|
|
}
|
|
}
|
|
|
|
|
|
U_CAPI const InverseUCATableHeader * U_EXPORT2
|
|
ucol_initInverseUCA(UErrorCode *status)
|
|
{
|
|
umtx_initOnce(gStaticInvUCAInitOnce, &initInverseUCA, *status);
|
|
return _staticInvUCA;
|
|
}
|
|
|
|
/* This is the data that is used for non-script reordering codes. These _must_ be kept
|
|
* in order that they are to be applied as defaults and in synch with the UColReorderCode enum.
|
|
*/
|
|
static const char * const ReorderingTokenNames[] = {
|
|
"SPACE",
|
|
"PUNCT",
|
|
"SYMBOL",
|
|
"CURRENCY",
|
|
"DIGIT"
|
|
};
|
|
|
|
static void toUpper(const char* src, char* dst, uint32_t length) {
|
|
for (uint32_t i = 0; *src != '\0' && i < length - 1; ++src, ++dst, ++i) {
|
|
*dst = uprv_toupper(*src);
|
|
}
|
|
*dst = '\0';
|
|
}
|
|
|
|
U_INTERNAL int32_t U_EXPORT2
|
|
ucol_findReorderingEntry(const char* name) {
|
|
char buffer[32];
|
|
toUpper(name, buffer, 32);
|
|
for (uint32_t entry = 0; entry < LENGTHOF(ReorderingTokenNames); entry++) {
|
|
if (uprv_strcmp(buffer, ReorderingTokenNames[entry]) == 0) {
|
|
return entry + UCOL_REORDER_CODE_FIRST;
|
|
}
|
|
}
|
|
return USCRIPT_INVALID_CODE;
|
|
}
|
|
|
|
#endif /* #if !UCONFIG_NO_COLLATION */
|