972 lines
38 KiB
C++
972 lines
38 KiB
C++
/*
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*******************************************************************************
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*
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* Copyright (C) 2001, 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: ucaelems.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 program reads the Franctional UCA table and generates
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* internal format for UCA table as well as inverse UCA table.
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* It then writes binary files containing the data: ucadata.dat
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* & invuca.dat
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*
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* date name comments
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* 03/02/2001 synwee added setMaxExpansion
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* 03/07/2001 synwee merged UCA's maxexpansion and tailoring's
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*/
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#include "ucol_elm.h"
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#include "unicode/uchar.h"
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void uprv_uca_reverseElement(UCAElements *el) {
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uint32_t i = 0;
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UChar temp;
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for(i = 0; i<el->cSize/2; i++) {
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temp = el->cPoints[i];
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el->cPoints[i] = el->cPoints[el->cSize-i-1];
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el->cPoints[el->cSize-i-1] = temp;
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}
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#if 0
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/* Syn Wee does not need reversed expansions at all */
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UErrorCode status = U_ZERO_ERROR;
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uint32_t tempCE = 0, expansion = 0;
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if(el->noOfCEs>1) { /* this is an expansion that needs to be reversed and added - also, we need to change the mapValue */
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uint32_t buffer[256];
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#if 0
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/* this is with continuations preserved */
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tempCE = el->CEs[0];
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i = 1;
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while(i<el->noOfCEs) {
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if(!isContinuation(el->CEs[i])) {
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buffer[el->noOfCEs-i] = tempCE;
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} else { /* it is continuation*/
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buffer[el->noOfCEs-i] = el->CEs[i];
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buffer[el->noOfCEs-i-1] = tempCE;
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i++;
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}
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if(i<el->noOfCEs) {
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tempCE = el->CEs[i];
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i++;
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}
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}
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if(i==el->noOfCEs) {
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buffer[0] = tempCE;
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}
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uprv_memcpy(el->CEs, buffer, el->noOfCEs*sizeof(uint32_t));
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#endif
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#if 0
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/* this is simple reversal */
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for(i = 0; i<el->noOfCEs/2; i++) {
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tempCE = el->CEs[i];
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el->CEs[i] = el->CEs[el->noOfCEs-i-1];
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el->CEs[el->noOfCEs-i-1] = tempCE;
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}
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#endif
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expansion = UCOL_SPECIAL_FLAG | (EXPANSION_TAG<<UCOL_TAG_SHIFT)
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| ((uprv_uca_addExpansion(expansions, el->CEs[0], &status)+(headersize>>2))<<4)
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& 0xFFFFF0;
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for(i = 1; i<el->noOfCEs; i++) {
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uprv_uca_addExpansion(expansions, el->CEs[i], &status);
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}
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if(el->noOfCEs <= 0xF) {
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expansion |= el->noOfCEs;
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} else {
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uprv_uca_addExpansion(expansions, 0, &status);
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}
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el->mapCE = expansion;
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}
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#endif
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}
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int32_t uprv_uca_addExpansion(ExpansionTable *expansions, uint32_t value, UErrorCode *status) {
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if(U_FAILURE(*status)) {
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return 0;
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}
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if(expansions->CEs == NULL) {
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expansions->CEs = (uint32_t *)malloc(INIT_EXP_TABLE_SIZE*sizeof(uint32_t));
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expansions->size = INIT_EXP_TABLE_SIZE;
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expansions->position = 0;
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}
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if(expansions->position == expansions->size) {
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uint32_t *newData = (uint32_t *)realloc(expansions->CEs, 2*expansions->size*sizeof(uint32_t));
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if(newData == NULL) {
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#ifdef UCOL_DEBUG
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fprintf(stderr, "out of memory for expansions\n");
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#endif
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*status = U_MEMORY_ALLOCATION_ERROR;
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return -1;
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}
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expansions->CEs = newData;
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expansions->size *= 2;
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}
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expansions->CEs[expansions->position] = value;
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return(expansions->position++);
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}
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tempUCATable * uprv_uca_initTempTable(UCATableHeader *image, UColOptionSet *opts, const UCollator *UCA, UErrorCode *status) {
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tempUCATable *t = (tempUCATable *)uprv_malloc(sizeof(tempUCATable));
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MaxExpansionTable *maxet = (MaxExpansionTable *)uprv_malloc(
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sizeof(MaxExpansionTable));
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MaxJamoExpansionTable *maxjet = (MaxJamoExpansionTable *)uprv_malloc(
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sizeof(MaxJamoExpansionTable));
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t->image = image;
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t->options = opts;
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t->UCA = UCA;
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t->expansions = (ExpansionTable *)uprv_malloc(sizeof(ExpansionTable));
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uprv_memset(t->expansions, 0, sizeof(ExpansionTable));
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t->mapping = ucmpe32_open(UCOL_NOT_FOUND, UCOL_SPECIAL_FLAG | (SURROGATE_TAG<<24), status);
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t->contractions = uprv_cnttab_open(t->mapping, status);
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/* copy UCA's maxexpansion and merge as we go along */
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t->maxExpansions = maxet;
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if (UCA != NULL) {
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/* adding an extra initial value for easier manipulation */
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maxet->size = (UCA->lastEndExpansionCE - UCA->endExpansionCE)
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+ 2;
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maxet->position = maxet->size - 1;
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maxet->endExpansionCE =
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(uint32_t *)uprv_malloc(sizeof(uint32_t) * maxet->size);
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maxet->expansionCESize =
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(uint8_t *)uprv_malloc(sizeof(uint8_t) * maxet->size);
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/* initialized value */
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*(maxet->endExpansionCE) = 0;
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*(maxet->expansionCESize) = 0;
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uprv_memcpy(maxet->endExpansionCE + 1, UCA->endExpansionCE,
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sizeof(uint32_t) * (maxet->size - 1));
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uprv_memcpy(maxet->expansionCESize + 1, UCA->expansionCESize,
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sizeof(uint8_t) * (maxet->size - 1));
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}
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else {
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maxet->size = 0;
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}
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t->maxJamoExpansions = maxjet;
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maxjet->endExpansionCE = NULL;
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maxjet->isV = NULL;
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maxjet->size = 0;
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maxjet->position = 0;
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maxjet->maxLSize = 1;
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maxjet->maxVSize = 1;
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maxjet->maxTSize = 1;
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t->unsafeCP = (uint8_t *)uprv_malloc(UCOL_UNSAFECP_TABLE_SIZE);
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t->contrEndCP = (uint8_t *)uprv_malloc(UCOL_UNSAFECP_TABLE_SIZE);
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uprv_memset(t->unsafeCP, 0, UCOL_UNSAFECP_TABLE_SIZE);
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uprv_memset(t->contrEndCP, 0, UCOL_UNSAFECP_TABLE_SIZE);
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return t;
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}
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tempUCATable *uprv_uca_cloneTempTable(tempUCATable *t, UErrorCode *status) {
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if(U_FAILURE(*status)) {
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return NULL;
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}
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tempUCATable *r = (tempUCATable *)uprv_malloc(sizeof(tempUCATable));
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uprv_memset(r, 0, sizeof(tempUCATable));
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/* mapping */
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if(t->mapping != NULL) {
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r->mapping = ucmpe32_clone(t->mapping, status);
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}
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/* expansions */
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if(t->expansions != NULL) {
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r->expansions = (ExpansionTable *)uprv_malloc(sizeof(ExpansionTable));
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r->expansions->position = t->expansions->position;
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r->expansions->size = t->expansions->size;
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if(t->expansions->CEs != NULL) {
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r->expansions->CEs = (uint32_t *)uprv_malloc(sizeof(uint32_t)*t->expansions->size);
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uprv_memcpy(r->expansions->CEs, t->expansions->CEs, sizeof(uint32_t)*t->expansions->size);
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} else {
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t->expansions->CEs = NULL;
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}
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}
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if(t->contractions != NULL) {
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r->contractions = uprv_cnttab_clone(t->contractions);
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r->contractions->mapping = r->mapping;
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}
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if(t->maxExpansions != NULL) {
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r->maxExpansions = (MaxExpansionTable *)uprv_malloc(sizeof(MaxExpansionTable));
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r->maxExpansions->size = t->maxExpansions->size;
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r->maxExpansions->position = t->maxExpansions->position;
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if(t->maxExpansions->endExpansionCE != NULL) {
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r->maxExpansions->endExpansionCE = (uint32_t *)uprv_malloc(sizeof(uint32_t)*t->maxExpansions->size);
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uprv_memcpy(r->maxExpansions->endExpansionCE, t->maxExpansions->endExpansionCE, t->maxExpansions->size*sizeof(uint32_t));
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} else {
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r->maxExpansions->endExpansionCE = NULL;
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}
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if(t->maxExpansions->expansionCESize != NULL) {
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r->maxExpansions->expansionCESize = (uint8_t *)uprv_malloc(sizeof(uint8_t)*t->maxExpansions->size);
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uprv_memcpy(r->maxExpansions->expansionCESize, t->maxExpansions->expansionCESize, t->maxExpansions->size*sizeof(uint8_t));
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} else {
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r->maxExpansions->expansionCESize = NULL;
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}
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}
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if(t->maxJamoExpansions != NULL) {
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r->maxJamoExpansions = (MaxJamoExpansionTable *)uprv_malloc(sizeof(MaxJamoExpansionTable));
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r->maxJamoExpansions->size = t->maxJamoExpansions->size;
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r->maxJamoExpansions->position = t->maxJamoExpansions->position;
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r->maxJamoExpansions->maxLSize = t->maxJamoExpansions->maxLSize;
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r->maxJamoExpansions->maxVSize = t->maxJamoExpansions->maxVSize;
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r->maxJamoExpansions->maxTSize = t->maxJamoExpansions->maxTSize;
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if(t->maxJamoExpansions->size != 0) {
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r->maxJamoExpansions->endExpansionCE = (uint32_t *)uprv_malloc(sizeof(uint32_t)*t->maxJamoExpansions->size);
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uprv_memcpy(r->maxJamoExpansions->endExpansionCE, t->maxJamoExpansions->endExpansionCE, t->maxJamoExpansions->size*sizeof(uint32_t));
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r->maxJamoExpansions->isV = (UBool *)uprv_malloc(sizeof(UBool)*t->maxJamoExpansions->size);
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uprv_memcpy(r->maxJamoExpansions->isV, t->maxJamoExpansions->isV, t->maxJamoExpansions->size*sizeof(UBool));
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} else {
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r->maxJamoExpansions->endExpansionCE = NULL;
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r->maxJamoExpansions->isV = NULL;
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}
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}
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if(t->unsafeCP != NULL) {
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r->unsafeCP = (uint8_t *)uprv_malloc(UCOL_UNSAFECP_TABLE_SIZE);
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uprv_memcpy(r->unsafeCP, t->unsafeCP, UCOL_UNSAFECP_TABLE_SIZE);
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}
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if(t->contrEndCP != NULL) {
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r->contrEndCP = (uint8_t *)uprv_malloc(UCOL_UNSAFECP_TABLE_SIZE);
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uprv_memcpy(r->contrEndCP, t->contrEndCP, UCOL_UNSAFECP_TABLE_SIZE);
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}
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r->UCA = t->UCA;
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r->image = t->image;
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r->options = t->options;
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return r;
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}
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void uprv_uca_closeTempTable(tempUCATable *t) {
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uprv_free(t->expansions->CEs);
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uprv_free(t->expansions);
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if(t->contractions != NULL) {
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uprv_cnttab_close(t->contractions);
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}
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ucmpe32_close(t->mapping);
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uprv_free(t->maxExpansions->endExpansionCE);
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uprv_free(t->maxExpansions->expansionCESize);
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uprv_free(t->maxExpansions);
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if (t->maxJamoExpansions->size > 0) {
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uprv_free(t->maxJamoExpansions->endExpansionCE);
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uprv_free(t->maxJamoExpansions->isV);
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}
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uprv_free(t->maxJamoExpansions);
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uprv_free(t->unsafeCP);
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uprv_free(t->contrEndCP);
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uprv_free(t);
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}
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/**
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* Looks for the maximum length of all expansion sequences ending with the same
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* collation element. The size required for maxexpansion and maxsize is
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* returned if the arrays are too small.
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* @param endexpansion the last expansion collation element to be added
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* @param expansionsize size of the expansion
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* @param maxexpansion data structure to store the maximum expansion data.
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* @param status error status
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* @returns size of the maxexpansion and maxsize used.
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*/
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int uprv_uca_setMaxExpansion(uint32_t endexpansion,
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uint8_t expansionsize,
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MaxExpansionTable *maxexpansion,
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UErrorCode *status)
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{
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if (maxexpansion->size == 0) {
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/* we'll always make the first element 0, for easier manipulation */
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maxexpansion->endExpansionCE =
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(uint32_t *)uprv_malloc(INIT_EXP_TABLE_SIZE * sizeof(int32_t));
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*(maxexpansion->endExpansionCE) = 0;
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maxexpansion->expansionCESize =
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(uint8_t *)uprv_malloc(INIT_EXP_TABLE_SIZE * sizeof(uint8_t));
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*(maxexpansion->expansionCESize) = 0;
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maxexpansion->size = INIT_EXP_TABLE_SIZE;
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maxexpansion->position = 0;
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}
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if (maxexpansion->position + 1 == maxexpansion->size) {
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uint32_t *neweece = (uint32_t *)uprv_realloc(maxexpansion->endExpansionCE,
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2 * maxexpansion->size * sizeof(uint32_t));
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uint8_t *neweces = (uint8_t *)uprv_realloc(maxexpansion->expansionCESize,
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2 * maxexpansion->size * sizeof(uint8_t));
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if (neweece == NULL || neweces == NULL) {
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#ifdef UCOL_DEBUG
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fprintf(stderr, "out of memory for maxExpansions\n");
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#endif
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*status = U_MEMORY_ALLOCATION_ERROR;
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return -1;
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}
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maxexpansion->endExpansionCE = neweece;
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maxexpansion->expansionCESize = neweces;
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maxexpansion->size *= 2;
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}
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uint32_t *pendexpansionce = maxexpansion->endExpansionCE;
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uint8_t *pexpansionsize = maxexpansion->expansionCESize;
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int pos = maxexpansion->position;
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uint32_t *start = pendexpansionce;
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uint32_t *limit = pendexpansionce + pos;
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/* using binary search to determine if last expansion element is
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already in the array */
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uint32_t *mid;
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int result = -1;
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while (start < limit - 1) {
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mid = start + ((limit - start) >> 1);
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if (endexpansion <= *mid) {
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limit = mid;
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}
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else {
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start = mid;
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}
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}
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if (*start == endexpansion) {
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result = start - pendexpansionce;
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}
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else
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if (*limit == endexpansion) {
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result = limit - pendexpansionce;
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}
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if (result > -1) {
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/* found the ce in expansion, we'll just modify the size if it is
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smaller */
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uint8_t *currentsize = pexpansionsize + result;
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if (*currentsize < expansionsize) {
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*currentsize = expansionsize;
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}
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}
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else {
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/* we'll need to squeeze the value into the array.
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initial implementation. */
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/* shifting the subarray down by 1 */
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int shiftsize = (pendexpansionce + pos) - start;
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uint32_t *shiftpos = start + 1;
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uint8_t *sizeshiftpos = pexpansionsize + (shiftpos - pendexpansionce);
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/* okay need to rearrange the array into sorted order */
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if (shiftsize == 0 || *(pendexpansionce + pos) < endexpansion) {
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*(pendexpansionce + pos + 1) = endexpansion;
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*(pexpansionsize + pos + 1) = expansionsize;
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}
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else {
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uprv_memmove(shiftpos + 1, shiftpos, shiftsize * sizeof(int32_t));
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uprv_memmove(sizeshiftpos + 1, sizeshiftpos,
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shiftsize * sizeof(uint8_t));
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*shiftpos = endexpansion;
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*sizeshiftpos = expansionsize;
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}
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maxexpansion->position ++;
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#ifdef UCOL_DEBUG
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int temp;
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UBool found = FALSE;
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for (temp = 0; temp < maxexpansion->position; temp ++) {
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if (pendexpansionce[temp] >= pendexpansionce[temp + 1]) {
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fprintf(stderr, "expansions %d\n", temp);
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}
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if (pendexpansionce[temp] == endexpansion) {
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found =TRUE;
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if (pexpansionsize[temp] < expansionsize) {
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fprintf(stderr, "expansions size %d\n", temp);
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}
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}
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}
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if (pendexpansionce[temp] == endexpansion) {
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found =TRUE;
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if (pexpansionsize[temp] < expansionsize) {
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fprintf(stderr, "expansions size %d\n", temp);
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}
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}
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if (!found)
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fprintf(stderr, "expansion not found %d\n", temp);
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#endif
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}
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return maxexpansion->position;
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}
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/**
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* Sets the maximum length of all jamo expansion sequences ending with the same
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* collation element. The size required for maxexpansion and maxsize is
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* returned if the arrays are too small.
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* @param ch the jamo codepoint
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* @param endexpansion the last expansion collation element to be added
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* @param expansionsize size of the expansion
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* @param maxexpansion data structure to store the maximum expansion data.
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* @param status error status
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* @returns size of the maxexpansion and maxsize used.
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*/
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int uprv_uca_setMaxJamoExpansion(UChar ch,
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uint32_t endexpansion,
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uint8_t expansionsize,
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MaxJamoExpansionTable *maxexpansion,
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UErrorCode *status)
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{
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UBool isV = TRUE;
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if (((uint32_t)ch - 0x1100) <= (0x1112 - 0x1100)) {
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/* determines L for Jamo, doesn't need to store this since it is never
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at the end of a expansion */
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if (maxexpansion->maxLSize < expansionsize) {
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maxexpansion->maxLSize = expansionsize;
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}
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return maxexpansion->position;
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}
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if (((uint32_t)ch - 0x1161) <= (0x1175 - 0x1161)) {
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/* determines V for Jamo */
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if (maxexpansion->maxVSize < expansionsize) {
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maxexpansion->maxVSize = expansionsize;
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}
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}
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if (((uint32_t)ch - 0x11A8) <= (0x11C2 - 0x11A8)) {
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isV = FALSE;
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/* determines T for Jamo */
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if (maxexpansion->maxTSize < expansionsize) {
|
|
maxexpansion->maxTSize = expansionsize;
|
|
}
|
|
}
|
|
|
|
if (maxexpansion->size == 0) {
|
|
/* we'll always make the first element 0, for easier manipulation */
|
|
maxexpansion->endExpansionCE =
|
|
(uint32_t *)uprv_malloc(INIT_EXP_TABLE_SIZE * sizeof(uint32_t));
|
|
*(maxexpansion->endExpansionCE) = 0;
|
|
maxexpansion->isV =
|
|
(UBool *)uprv_malloc(INIT_EXP_TABLE_SIZE * sizeof(UBool));
|
|
*(maxexpansion->isV) = 0;
|
|
maxexpansion->size = INIT_EXP_TABLE_SIZE;
|
|
maxexpansion->position = 0;
|
|
}
|
|
|
|
if (maxexpansion->position + 1 == maxexpansion->size) {
|
|
uint32_t *neweece = (uint32_t *)uprv_realloc(maxexpansion->endExpansionCE,
|
|
2 * maxexpansion->size * sizeof(uint32_t));
|
|
UBool *newisV = (UBool *)uprv_realloc(maxexpansion->isV,
|
|
2 * maxexpansion->size * sizeof(UBool));
|
|
if (neweece == NULL || newisV == NULL) {
|
|
#ifdef UCOL_DEBUG
|
|
fprintf(stderr, "out of memory for maxExpansions\n");
|
|
#endif
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
return -1;
|
|
}
|
|
maxexpansion->endExpansionCE = neweece;
|
|
maxexpansion->isV = newisV;
|
|
maxexpansion->size *= 2;
|
|
}
|
|
|
|
uint32_t *pendexpansionce = maxexpansion->endExpansionCE;
|
|
int pos = maxexpansion->position;
|
|
|
|
while (pos > 0) {
|
|
pos --;
|
|
if (*(pendexpansionce + pos) == endexpansion) {
|
|
return maxexpansion->position;
|
|
}
|
|
}
|
|
|
|
*(pendexpansionce + maxexpansion->position) = endexpansion;
|
|
*(maxexpansion->isV + maxexpansion->position) = isV;
|
|
maxexpansion->position ++;
|
|
|
|
return maxexpansion->position;
|
|
}
|
|
|
|
|
|
static void ContrEndCPSet(uint8_t *table, UChar c) {
|
|
uint32_t hash;
|
|
uint8_t *htByte;
|
|
|
|
hash = c;
|
|
if (hash >= UCOL_UNSAFECP_TABLE_SIZE*8) {
|
|
hash = (hash & UCOL_UNSAFECP_TABLE_MASK) + 256;
|
|
}
|
|
htByte = &table[hash>>3];
|
|
*htByte |= (1 << (hash & 7));
|
|
}
|
|
|
|
|
|
static void unsafeCPSet(uint8_t *table, UChar c) {
|
|
uint32_t hash;
|
|
uint8_t *htByte;
|
|
|
|
hash = c;
|
|
if (hash >= UCOL_UNSAFECP_TABLE_SIZE*8) {
|
|
if (hash >= 0xd800 && hash <= 0xf8ff) {
|
|
/* Part of a surrogate, or in private use area. */
|
|
/* These don't go in the table */
|
|
return;
|
|
}
|
|
hash = (hash & UCOL_UNSAFECP_TABLE_MASK) + 256;
|
|
}
|
|
htByte = &table[hash>>3];
|
|
*htByte |= (1 << (hash & 7));
|
|
}
|
|
|
|
|
|
/* to the UnsafeCP hash table, add all chars with combining class != 0 */
|
|
void uprv_uca_unsafeCPAddCCNZ(tempUCATable *t) {
|
|
UChar c;
|
|
for (c=0; c<0xffff; c++) {
|
|
if (u_getCombiningClass(c) != 0)
|
|
unsafeCPSet(t->unsafeCP, c);
|
|
}
|
|
}
|
|
|
|
|
|
// Note regarding surrogate handling: We are interested only in the single
|
|
// or leading surrogates in a contraction. If a surrogate is somewhere else
|
|
// in the contraction, it is going to be handled as a pair of code units,
|
|
// as it doesn't affect the performance AND handling surrogates specially
|
|
// would complicate code way too much.
|
|
uint32_t uprv_uca_addContraction(tempUCATable *t, uint32_t CE,
|
|
UCAElements *element, UErrorCode *status) {
|
|
CntTable *contractions = t->contractions;
|
|
UChar32 cp;
|
|
uint32_t cpsize = 0;
|
|
|
|
// First we need to check if contractions starts with a surrogate
|
|
UTF_NEXT_CHAR(element->cPoints, cpsize, element->cSize, cp);
|
|
|
|
if(cpsize<element->cSize) { // This is a real contraction, if there are other characters after the first
|
|
uint32_t j = 0;
|
|
for (j=1; j<element->cSize; j++) { /* First add contraction chars to unsafe CP hash table */
|
|
unsafeCPSet(t->unsafeCP, element->cPoints[j]);
|
|
}
|
|
// Add the last char of the contraction to the contraction-end hash table.
|
|
ContrEndCPSet(t->contrEndCP, element->cPoints[element->cSize -1]);
|
|
if(UCOL_ISJAMO(element->cPoints[0])) {
|
|
t->image->jamoSpecial = TRUE;
|
|
}
|
|
/* then we need to deal with it */
|
|
/* we could aready have something in table - or we might not */
|
|
/* The fact is that we want to add or modify an existing contraction */
|
|
/* and add it backwards then */
|
|
element->cPoints+=cpsize;
|
|
element->cSize-=cpsize;
|
|
if(!isContraction(CE)) {
|
|
/* if it wasn't contraction, we wouldn't end up here*/
|
|
int32_t firstContractionOffset = 0;
|
|
int32_t contractionOffset = 0;
|
|
firstContractionOffset = uprv_cnttab_addContraction(contractions, UPRV_CNTTAB_NEWELEMENT, 0, CE, status);
|
|
uint32_t newCE = uprv_uca_processContraction(contractions, element, UCOL_NOT_FOUND, status);
|
|
contractionOffset = uprv_cnttab_addContraction(contractions, firstContractionOffset, *element->cPoints, newCE, status);
|
|
contractionOffset = uprv_cnttab_addContraction(contractions, firstContractionOffset, 0xFFFF, CE, status);
|
|
CE = constructContractCE(firstContractionOffset);
|
|
} else { /* we are adding to existing contraction */
|
|
/* there were already some elements in the table, so we need to add a new contraction */
|
|
/* Two things can happen here: either the codepoint is already in the table, or it is not */
|
|
int32_t position = uprv_cnttab_findCP(contractions, CE, *element->cPoints, status);
|
|
if(position > 0) { /* if it is we just continue down the chain */
|
|
uint32_t eCE = uprv_cnttab_getCE(contractions, CE, position, status);
|
|
uint32_t newCE = uprv_uca_processContraction(contractions, element, eCE, status);
|
|
uprv_cnttab_setContraction(contractions, CE, position, *(element->cPoints), newCE, status);
|
|
} else { /* if it isn't, we will have to create a new sequence */
|
|
uint32_t newCE = uprv_uca_processContraction(contractions, element, UCOL_NOT_FOUND, status);
|
|
uprv_cnttab_insertContraction(contractions, CE, *(element->cPoints), newCE, status);
|
|
}
|
|
}
|
|
element->cPoints-=cpsize;
|
|
element->cSize+=cpsize;
|
|
ucmpe32_set(t->mapping, cp, CE);
|
|
} else if(!isContraction(CE)) { /* this is just a surrogate, and there is no contraction */
|
|
ucmpe32_set(t->mapping, cp, element->mapCE);
|
|
} else { /* fill out the first stage of the contraction with the surrogate CE */
|
|
uprv_cnttab_changeContraction(contractions, CE, 0, element->mapCE, status);
|
|
uprv_cnttab_changeContraction(contractions, CE, 0xFFFF, element->mapCE, status);
|
|
}
|
|
return CE;
|
|
}
|
|
|
|
|
|
uint32_t uprv_uca_processContraction(CntTable *contractions, UCAElements *element, uint32_t existingCE, UErrorCode *status) {
|
|
int32_t firstContractionOffset = 0;
|
|
int32_t contractionOffset = 0;
|
|
uint32_t contractionElement = UCOL_NOT_FOUND;
|
|
|
|
if(U_FAILURE(*status)) {
|
|
return UCOL_NOT_FOUND;
|
|
}
|
|
|
|
/* end of recursion */
|
|
if(element->cSize == 1) {
|
|
if(isContraction(existingCE)) {
|
|
uprv_cnttab_changeContraction(contractions, existingCE, 0, element->mapCE, status);
|
|
uprv_cnttab_changeContraction(contractions, existingCE, 0xFFFF, element->mapCE, status);
|
|
return existingCE;
|
|
} else {
|
|
return element->mapCE; /*can't do just that. existingCe might be a contraction, meaning that we need to do another step */
|
|
}
|
|
}
|
|
|
|
/* this recursion currently feeds on the only element we have... We will have to copy it in order to accomodate */
|
|
/* for both backward and forward cycles */
|
|
|
|
/* we encountered either an empty space or a non-contraction element */
|
|
/* this means we are constructing a new contraction sequence */
|
|
element->cPoints++;
|
|
element->cSize--;
|
|
if(!isContraction(existingCE)) {
|
|
/* if it wasn't contraction, we wouldn't end up here*/
|
|
firstContractionOffset = uprv_cnttab_addContraction(contractions, UPRV_CNTTAB_NEWELEMENT, 0, existingCE, status);
|
|
uint32_t newCE = uprv_uca_processContraction(contractions, element, UCOL_NOT_FOUND, status);
|
|
contractionOffset = uprv_cnttab_addContraction(contractions, firstContractionOffset, *element->cPoints, newCE, status);
|
|
contractionOffset = uprv_cnttab_addContraction(contractions, firstContractionOffset, 0xFFFF, existingCE, status);
|
|
existingCE = constructContractCE(firstContractionOffset);
|
|
} else { /* we are adding to existing contraction */
|
|
/* there were already some elements in the table, so we need to add a new contraction */
|
|
/* Two things can happen here: either the codepoint is already in the table, or it is not */
|
|
int32_t position = uprv_cnttab_findCP(contractions, existingCE, *element->cPoints, status);
|
|
if(position > 0) { /* if it is we just continue down the chain */
|
|
uint32_t eCE = uprv_cnttab_getCE(contractions, existingCE, position, status);
|
|
uint32_t newCE = uprv_uca_processContraction(contractions, element, eCE, status);
|
|
uprv_cnttab_setContraction(contractions, existingCE, position, *(element->cPoints), newCE, status);
|
|
} else { /* if it isn't, we will have to create a new sequence */
|
|
uint32_t newCE = uprv_uca_processContraction(contractions, element, UCOL_NOT_FOUND, status);
|
|
uprv_cnttab_insertContraction(contractions, existingCE, *(element->cPoints), newCE, status);
|
|
}
|
|
}
|
|
element->cPoints--;
|
|
element->cSize++;
|
|
return existingCE;
|
|
}
|
|
|
|
/* This adds a read element, while testing for existence */
|
|
uint32_t uprv_uca_addAnElement(tempUCATable *t, UCAElements *element, UErrorCode *status) {
|
|
CompactEIntArray *mapping = t->mapping;
|
|
ExpansionTable *expansions = t->expansions;
|
|
CntTable *contractions = t->contractions;
|
|
|
|
uint32_t i = 1;
|
|
uint32_t expansion = 0;
|
|
uint32_t CE;
|
|
|
|
if(U_FAILURE(*status)) {
|
|
return 0xFFFF;
|
|
}
|
|
if(element->noOfCEs == 1) {
|
|
if(element->isThai == FALSE) {
|
|
element->mapCE = element->CEs[0];
|
|
} else { /* add thai - totally bad here */
|
|
expansion = UCOL_SPECIAL_FLAG | (THAI_TAG<<UCOL_TAG_SHIFT)
|
|
| ((uprv_uca_addExpansion(expansions, element->CEs[0], status)+(headersize>>2))<<4)
|
|
| 0x1;
|
|
element->mapCE = expansion;
|
|
}
|
|
} else {
|
|
expansion = UCOL_SPECIAL_FLAG | (EXPANSION_TAG<<UCOL_TAG_SHIFT)
|
|
| ((uprv_uca_addExpansion(expansions, element->CEs[0], status)+(headersize>>2))<<4)
|
|
& 0xFFFFF0;
|
|
|
|
for(i = 1; i<element->noOfCEs; i++) {
|
|
uprv_uca_addExpansion(expansions, element->CEs[i], status);
|
|
}
|
|
if(element->noOfCEs <= 0xF) {
|
|
expansion |= element->noOfCEs;
|
|
} else {
|
|
uprv_uca_addExpansion(expansions, 0, status);
|
|
}
|
|
element->mapCE = expansion;
|
|
uprv_uca_setMaxExpansion(element->CEs[element->noOfCEs - 1],
|
|
(uint8_t)element->noOfCEs,
|
|
t->maxExpansions,
|
|
status);
|
|
if(UCOL_ISJAMO(element->cPoints[0])) {
|
|
t->image->jamoSpecial = TRUE;
|
|
uprv_uca_setMaxJamoExpansion(element->cPoints[0],
|
|
element->CEs[element->noOfCEs - 1],
|
|
(uint8_t)element->noOfCEs,
|
|
t->maxJamoExpansions,
|
|
status);
|
|
}
|
|
}
|
|
|
|
|
|
if(element->cSize > 1) { /* we're adding a contraction */
|
|
uint32_t i = 0;
|
|
UChar32 cp;
|
|
|
|
UTF_NEXT_CHAR(element->cPoints, i, element->cSize, cp);
|
|
CE = ucmpe32_get(mapping, cp);
|
|
|
|
UCAElements *composed = (UCAElements *)uprv_malloc(sizeof(UCAElements));
|
|
uprv_memcpy(composed, element, sizeof(UCAElements));
|
|
composed->cPoints = composed->uchars;
|
|
*composed->cPoints = *element->cPoints;
|
|
composed->cSize = unorm_normalize(element->cPoints+1, element->cSize-1, UNORM_NFC, 0, composed->cPoints+1, 128, status);
|
|
composed->cSize++;
|
|
if(composed->cSize != element->cSize || uprv_memcmp(composed->cPoints+1, element->cPoints+1, element->cSize-1)) {
|
|
// do it!
|
|
CE = uprv_uca_addContraction(t, CE, composed, status);
|
|
#ifdef UCOL_DEBUG
|
|
fprintf(stderr, "Adding composed for %04X\n", *element->cPoints);
|
|
#endif
|
|
}
|
|
uprv_free(composed);
|
|
|
|
CE = uprv_uca_addContraction(t, CE, element, status);
|
|
} else { /* easy case, */
|
|
CE = ucmpe32_get(mapping, element->cPoints[0]);
|
|
|
|
if( CE != UCOL_NOT_FOUND) {
|
|
if(isContraction(CE)) { /* adding a non contraction element (thai, expansion, single) to already existing contraction */
|
|
uprv_cnttab_setContraction(contractions, CE, 0, 0, element->mapCE, status);
|
|
/* This loop has to change the CE at the end of contraction REDO!*/
|
|
uprv_cnttab_changeLastCE(contractions, CE, element->mapCE, status);
|
|
} else {
|
|
ucmpe32_set(mapping, element->cPoints[0], element->mapCE);
|
|
#ifdef UCOL_DEBUG
|
|
fprintf(stderr, "Warning - trying to overwrite existing data %08X for cp %04X with %08X\n", CE, element->cPoints[0], element->CEs[0]);
|
|
//*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
#endif
|
|
}
|
|
} else {
|
|
ucmpe32_set(mapping, element->cPoints[0], element->mapCE);
|
|
}
|
|
}
|
|
|
|
|
|
return CE;
|
|
}
|
|
|
|
|
|
void uprv_uca_getMaxExpansionJamo(CompactEIntArray *mapping,
|
|
MaxExpansionTable *maxexpansion,
|
|
MaxJamoExpansionTable *maxjamoexpansion,
|
|
UBool jamospecial,
|
|
UErrorCode *status)
|
|
{
|
|
const uint32_t VBASE = 0x1161;
|
|
const uint32_t TBASE = 0x11A8;
|
|
const uint32_t VCOUNT = 21;
|
|
const uint32_t TCOUNT = 28;
|
|
|
|
uint32_t v = VBASE + VCOUNT - 1;
|
|
uint32_t t = TBASE + TCOUNT - 1;
|
|
uint32_t ce;
|
|
|
|
while (v >= VBASE) {
|
|
ce = ucmpe32_get(mapping, v);
|
|
if (ce < UCOL_SPECIAL_FLAG) {
|
|
uprv_uca_setMaxExpansion(ce, 2, maxexpansion, status);
|
|
}
|
|
v --;
|
|
}
|
|
|
|
while (t >= TBASE)
|
|
{
|
|
ce = ucmpe32_get(mapping, t);
|
|
if (ce < UCOL_SPECIAL_FLAG) {
|
|
uprv_uca_setMaxExpansion(ce, 3, maxexpansion, status);
|
|
}
|
|
t --;
|
|
}
|
|
/* According to the docs, 99% of the time, the Jamo will not be special */
|
|
if (jamospecial) {
|
|
/* gets the max expansion in all unicode characters */
|
|
int count = maxjamoexpansion->position;
|
|
uint8_t maxTSize = maxjamoexpansion->maxLSize +
|
|
maxjamoexpansion->maxVSize +
|
|
maxjamoexpansion->maxTSize;
|
|
uint8_t maxVSize = maxjamoexpansion->maxLSize +
|
|
maxjamoexpansion->maxVSize;
|
|
|
|
while (count > 0) {
|
|
count --;
|
|
if (*(maxjamoexpansion->isV + count) == TRUE) {
|
|
uprv_uca_setMaxExpansion(
|
|
*(maxjamoexpansion->endExpansionCE + count),
|
|
maxVSize, maxexpansion, status);
|
|
}
|
|
else {
|
|
uprv_uca_setMaxExpansion(
|
|
*(maxjamoexpansion->endExpansionCE + count),
|
|
maxTSize, maxexpansion, status);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
UCATableHeader *uprv_uca_assembleTable(tempUCATable *t, UErrorCode *status) {
|
|
CompactEIntArray *mapping = t->mapping;
|
|
ExpansionTable *expansions = t->expansions;
|
|
CntTable *contractions = t->contractions;
|
|
MaxExpansionTable *maxexpansion = t->maxExpansions;
|
|
|
|
if(U_FAILURE(*status)) {
|
|
return NULL;
|
|
}
|
|
|
|
uint32_t beforeContractions = (headersize+paddedsize(expansions->position*sizeof(uint32_t)))/sizeof(UChar);
|
|
|
|
int32_t contractionsSize = 0;
|
|
contractionsSize = uprv_cnttab_constructTable(contractions, beforeContractions, status);
|
|
|
|
ucmpe32_compact(mapping);
|
|
UMemoryStream *ms = uprv_mstrm_openNew(8192);
|
|
int32_t mappingSize = ucmpe32_flattenMem(mapping, ms);
|
|
const uint8_t *flattened = uprv_mstrm_getBuffer(ms, &mappingSize);
|
|
|
|
/* sets jamo expansions */
|
|
uprv_uca_getMaxExpansionJamo(mapping, maxexpansion, t->maxJamoExpansions,
|
|
t->image->jamoSpecial, status);
|
|
|
|
uint32_t tableOffset = 0;
|
|
uint8_t *dataStart;
|
|
|
|
uint32_t toAllocate = headersize+
|
|
paddedsize(expansions->position*sizeof(uint32_t))+
|
|
paddedsize(mappingSize)+
|
|
paddedsize(contractionsSize*(sizeof(UChar)+sizeof(uint32_t)))+
|
|
paddedsize(0x100*sizeof(uint32_t))
|
|
/* maxexpansion array */
|
|
+ paddedsize(maxexpansion->position * sizeof(uint32_t)) +
|
|
/* maxexpansion size array */
|
|
paddedsize(maxexpansion->position * sizeof(uint8_t)) +
|
|
paddedsize(UCOL_UNSAFECP_TABLE_SIZE) + /* Unsafe chars */
|
|
paddedsize(UCOL_UNSAFECP_TABLE_SIZE); /* Contraction Ending chars */
|
|
|
|
|
|
dataStart = (uint8_t *)malloc(toAllocate);
|
|
|
|
UCATableHeader *myData = (UCATableHeader *)dataStart;
|
|
uprv_memcpy(myData, t->image, sizeof(UCATableHeader));
|
|
|
|
#if 0
|
|
/* above memcpy should save us from problems */
|
|
myData->variableTopValue = t->image->variableTopValue;
|
|
myData->strength = t->image->strength;
|
|
myData->frenchCollation = t->image->frenchCollation;
|
|
myData->alternateHandling = t->image->alternateHandling; /* attribute for handling variable elements*/
|
|
myData->caseFirst = t->image->caseFirst; /* who goes first, lower case or uppercase */
|
|
myData->caseLevel = t->image->caseLevel; /* do we have an extra case level */
|
|
myData->normalizationMode = t->image->normalizationMode; /* attribute for normalization */
|
|
myData->version[0] = t->image->version[0];
|
|
myData->version[1] = t->image->version[1];
|
|
#endif
|
|
|
|
myData->contractionSize = contractionsSize;
|
|
|
|
tableOffset += paddedsize(sizeof(UCATableHeader));
|
|
|
|
myData->options = tableOffset;
|
|
memcpy(dataStart+tableOffset, t->options, sizeof(UColOptionSet));
|
|
tableOffset += paddedsize(sizeof(UColOptionSet));
|
|
|
|
/* copy expansions */
|
|
/*myData->expansion = (uint32_t *)dataStart+tableOffset;*/
|
|
myData->expansion = tableOffset;
|
|
memcpy(dataStart+tableOffset, expansions->CEs, expansions->position*sizeof(uint32_t));
|
|
tableOffset += paddedsize(expansions->position*sizeof(uint32_t));
|
|
|
|
/* contractions block */
|
|
if(contractionsSize != 0) {
|
|
/* copy contraction index */
|
|
/*myData->contractionIndex = (UChar *)(dataStart+tableOffset);*/
|
|
myData->contractionIndex = tableOffset;
|
|
memcpy(dataStart+tableOffset, contractions->codePoints, contractionsSize*sizeof(UChar));
|
|
tableOffset += paddedsize(contractionsSize*sizeof(UChar));
|
|
|
|
/* copy contraction collation elements */
|
|
/*myData->contractionCEs = (uint32_t *)(dataStart+tableOffset);*/
|
|
myData->contractionCEs = tableOffset;
|
|
memcpy(dataStart+tableOffset, contractions->CEs, contractionsSize*sizeof(uint32_t));
|
|
tableOffset += paddedsize(contractionsSize*sizeof(uint32_t));
|
|
} else {
|
|
myData->contractionIndex = 0;
|
|
myData->contractionIndex = 0;
|
|
}
|
|
|
|
/* copy mapping table */
|
|
/*myData->mappingPosition = dataStart+tableOffset;*/
|
|
myData->mappingPosition = tableOffset;
|
|
memcpy(dataStart+tableOffset, flattened, mappingSize);
|
|
tableOffset += paddedsize(mappingSize);
|
|
|
|
/* construct the fast tracker for latin one*/
|
|
myData->latinOneMapping = tableOffset;
|
|
uint32_t *store = (uint32_t*)(dataStart+tableOffset);
|
|
int32_t i = 0;
|
|
for(i = 0; i<=0xFF; i++) {
|
|
*(store++) = ucmpe32_get(mapping,i);
|
|
tableOffset+=sizeof(uint32_t);
|
|
}
|
|
|
|
/* copy max expansion table */
|
|
myData->endExpansionCE = tableOffset;
|
|
myData->endExpansionCECount = maxexpansion->position;
|
|
/* not copying the first element which is a dummy */
|
|
uprv_memcpy(dataStart + tableOffset, maxexpansion->endExpansionCE + 1,
|
|
maxexpansion->position * sizeof(uint32_t));
|
|
tableOffset += paddedsize(maxexpansion->position * sizeof(uint32_t));
|
|
myData->expansionCESize = tableOffset;
|
|
uprv_memcpy(dataStart + tableOffset, maxexpansion->expansionCESize + 1,
|
|
maxexpansion->position * sizeof(uint8_t));
|
|
tableOffset += paddedsize(maxexpansion->position * sizeof(uint8_t));
|
|
|
|
/* Unsafe chars table. Finish it off, then copy it. */
|
|
uprv_uca_unsafeCPAddCCNZ(t);
|
|
if (t->UCA != 0) { /* Or in unsafebits from UCA, making a combined table. */
|
|
for (i=0; i<UCOL_UNSAFECP_TABLE_SIZE; i++) {
|
|
t->unsafeCP[i] |= t->UCA->unsafeCP[i];
|
|
}
|
|
}
|
|
myData->unsafeCP = tableOffset;
|
|
uprv_memcpy(dataStart + tableOffset, t->unsafeCP, UCOL_UNSAFECP_TABLE_SIZE);
|
|
tableOffset += paddedsize(UCOL_UNSAFECP_TABLE_SIZE);
|
|
|
|
|
|
/* Finish building Contraction Ending chars hash table and then copy it out. */
|
|
if (t->UCA != 0) { /* Or in unsafebits from UCA, making a combined table. */
|
|
for (i=0; i<UCOL_UNSAFECP_TABLE_SIZE; i++) {
|
|
t->contrEndCP[i] |= t->UCA->contrEndCP[i];
|
|
}
|
|
}
|
|
myData->contrEndCP = tableOffset;
|
|
uprv_memcpy(dataStart + tableOffset, t->contrEndCP, UCOL_UNSAFECP_TABLE_SIZE);
|
|
tableOffset += paddedsize(UCOL_UNSAFECP_TABLE_SIZE);
|
|
|
|
if(tableOffset != toAllocate) {
|
|
#ifdef UCOL_DEBUG
|
|
fprintf(stderr, "calculation screwup!!! Expected to write %i but wrote %i instead!!!\n", toAllocate, tableOffset);
|
|
#endif
|
|
*status = U_INTERNAL_PROGRAM_ERROR;
|
|
free(dataStart);
|
|
return 0;
|
|
}
|
|
|
|
myData->size = tableOffset;
|
|
/* This should happen upon ressurection */
|
|
/*const uint8_t *mapPosition = (uint8_t*)myData+myData->mappingPosition;*/
|
|
uprv_mstrm_close(ms);
|
|
return myData;
|
|
}
|
|
|
|
|