Index: icu46/source/i18n/ucol_res.cpp |
=================================================================== |
--- icu46/source/i18n/ucol_res.cpp (revision 0) |
+++ icu46/source/i18n/ucol_res.cpp (revision 0) |
@@ -0,0 +1,1295 @@ |
+/* |
+******************************************************************************* |
+* Copyright (C) 1996-2010, International Business Machines |
+* Corporation and others. All Rights Reserved. |
+******************************************************************************* |
+* file name: ucol_res.cpp |
+* encoding: US-ASCII |
+* tab size: 8 (not used) |
+* indentation:4 |
+* |
+* Description: |
+* This file contains dependencies that the collation run-time doesn't normally |
+* need. This mainly contains resource bundle usage and collation meta information |
+* |
+* Modification history |
+* Date Name Comments |
+* 1996-1999 various members of ICU team maintained C API for collation framework |
+* 02/16/2001 synwee Added internal method getPrevSpecialCE |
+* 03/01/2001 synwee Added maxexpansion functionality. |
+* 03/16/2001 weiv Collation framework is rewritten in C and made UCA compliant |
+* 12/08/2004 grhoten Split part of ucol.cpp into ucol_res.cpp |
+*/ |
+ |
+#include "unicode/utypes.h" |
+ |
+#if !UCONFIG_NO_COLLATION |
+#include "unicode/uloc.h" |
+#include "unicode/coll.h" |
+#include "unicode/tblcoll.h" |
+#include "unicode/caniter.h" |
+#include "unicode/uscript.h" |
+#include "unicode/ustring.h" |
+ |
+#include "ucol_bld.h" |
+#include "ucol_imp.h" |
+#include "ucol_tok.h" |
+#include "ucol_elm.h" |
+#include "uresimp.h" |
+#include "ustr_imp.h" |
+#include "cstring.h" |
+#include "umutex.h" |
+#include "ucln_in.h" |
+#include "ustrenum.h" |
+#include "putilimp.h" |
+#include "utracimp.h" |
+#include "cmemory.h" |
+#include "uenumimp.h" |
+#include "ulist.h" |
+ |
+U_NAMESPACE_USE |
+ |
+static void ucol_setReorderCodesFromParser(UCollator *coll, UColTokenParser *parser, UErrorCode *status); |
+ |
+// static UCA. There is only one. Collators don't use it. |
+// It is referenced only in ucol_initUCA and ucol_cleanup |
+static UCollator* _staticUCA = NULL; |
+// static pointer to udata memory. Inited in ucol_initUCA |
+// used for cleanup in ucol_cleanup |
+static UDataMemory* UCA_DATA_MEM = NULL; |
+ |
+U_CDECL_BEGIN |
+static UBool U_CALLCONV |
+ucol_res_cleanup(void) |
+{ |
+ if (UCA_DATA_MEM) { |
+ udata_close(UCA_DATA_MEM); |
+ UCA_DATA_MEM = NULL; |
+ } |
+ if (_staticUCA) { |
+ ucol_close(_staticUCA); |
+ _staticUCA = NULL; |
+ } |
+ return TRUE; |
+} |
+ |
+static UBool U_CALLCONV |
+isAcceptableUCA(void * /*context*/, |
+ const char * /*type*/, const char * /*name*/, |
+ const UDataInfo *pInfo){ |
+ /* context, type & name are intentionally not used */ |
+ if( pInfo->size>=20 && |
+ pInfo->isBigEndian==U_IS_BIG_ENDIAN && |
+ pInfo->charsetFamily==U_CHARSET_FAMILY && |
+ pInfo->dataFormat[0]==UCA_DATA_FORMAT_0 && /* dataFormat="UCol" */ |
+ pInfo->dataFormat[1]==UCA_DATA_FORMAT_1 && |
+ pInfo->dataFormat[2]==UCA_DATA_FORMAT_2 && |
+ pInfo->dataFormat[3]==UCA_DATA_FORMAT_3 && |
+ pInfo->formatVersion[0]==UCA_FORMAT_VERSION_0 && |
+ pInfo->formatVersion[1]>=UCA_FORMAT_VERSION_1// && |
+ //pInfo->formatVersion[1]==UCA_FORMAT_VERSION_1 && |
+ //pInfo->formatVersion[2]==UCA_FORMAT_VERSION_2 && // Too harsh |
+ //pInfo->formatVersion[3]==UCA_FORMAT_VERSION_3 && // Too harsh |
+ ) { |
+ UVersionInfo UCDVersion; |
+ u_getUnicodeVersion(UCDVersion); |
+ return (UBool)(pInfo->dataVersion[0]==UCDVersion[0] |
+ && pInfo->dataVersion[1]==UCDVersion[1]); |
+ //&& pInfo->dataVersion[2]==ucaDataInfo.dataVersion[2] |
+ //&& pInfo->dataVersion[3]==ucaDataInfo.dataVersion[3]); |
+ } else { |
+ return FALSE; |
+ } |
+} |
+U_CDECL_END |
+ |
+/* do not close UCA returned by ucol_initUCA! */ |
+UCollator * |
+ucol_initUCA(UErrorCode *status) { |
+ if(U_FAILURE(*status)) { |
+ return NULL; |
+ } |
+ UBool needsInit; |
+ UMTX_CHECK(NULL, (_staticUCA == NULL), needsInit); |
+ |
+ if(needsInit) { |
+ UDataMemory *result = udata_openChoice(U_ICUDATA_COLL, UCA_DATA_TYPE, UCA_DATA_NAME, isAcceptableUCA, NULL, status); |
+ |
+ if(U_SUCCESS(*status)){ |
+ UCollator *newUCA = ucol_initCollator((const UCATableHeader *)udata_getMemory(result), NULL, NULL, status); |
+ if(U_SUCCESS(*status)){ |
+ // Initalize variables for implicit generation |
+ uprv_uca_initImplicitConstants(status); |
+ |
+ umtx_lock(NULL); |
+ if(_staticUCA == NULL) { |
+ UCA_DATA_MEM = result; |
+ _staticUCA = newUCA; |
+ newUCA = NULL; |
+ result = NULL; |
+ } |
+ umtx_unlock(NULL); |
+ |
+ ucln_i18n_registerCleanup(UCLN_I18N_UCOL_RES, ucol_res_cleanup); |
+ if(newUCA != NULL) { |
+ ucol_close(newUCA); |
+ udata_close(result); |
+ } |
+ }else{ |
+ ucol_close(newUCA); |
+ udata_close(result); |
+ } |
+ } |
+ else { |
+ udata_close(result); |
+ } |
+ } |
+ return _staticUCA; |
+} |
+ |
+U_CAPI void U_EXPORT2 |
+ucol_forgetUCA(void) |
+{ |
+ _staticUCA = NULL; |
+ UCA_DATA_MEM = NULL; |
+} |
+ |
+/****************************************************************************/ |
+/* Following are the open/close functions */ |
+/* */ |
+/****************************************************************************/ |
+static UCollator* |
+tryOpeningFromRules(UResourceBundle *collElem, UErrorCode *status) { |
+ int32_t rulesLen = 0; |
+ const UChar *rules = ures_getStringByKey(collElem, "Sequence", &rulesLen, status); |
+ return ucol_openRules(rules, rulesLen, UCOL_DEFAULT, UCOL_DEFAULT, NULL, status); |
+} |
+ |
+ |
+// API in ucol_imp.h |
+ |
+U_CFUNC UCollator* |
+ucol_open_internal(const char *loc, |
+ UErrorCode *status) |
+{ |
+ UErrorCode intStatus = U_ZERO_ERROR; |
+ const UCollator* UCA = ucol_initUCA(status); |
+ |
+ /* New version */ |
+ if(U_FAILURE(*status)) return 0; |
+ |
+ |
+ |
+ UCollator *result = NULL; |
+ UResourceBundle *b = ures_open(U_ICUDATA_COLL, loc, status); |
+ |
+ /* we try to find stuff from keyword */ |
+ UResourceBundle *collations = ures_getByKey(b, "collations", NULL, status); |
+ UResourceBundle *collElem = NULL; |
+ char keyBuffer[256]; |
+ // if there is a keyword, we pick it up and try to get elements |
+ if(!uloc_getKeywordValue(loc, "collation", keyBuffer, 256, status) || |
+ !uprv_strcmp(keyBuffer,"default")) { /* Treat 'zz@collation=default' as 'zz'. */ |
+ // no keyword. we try to find the default setting, which will give us the keyword value |
+ intStatus = U_ZERO_ERROR; |
+ // finding default value does not affect collation fallback status |
+ UResourceBundle *defaultColl = ures_getByKeyWithFallback(collations, "default", NULL, &intStatus); |
+ if(U_SUCCESS(intStatus)) { |
+ int32_t defaultKeyLen = 0; |
+ const UChar *defaultKey = ures_getString(defaultColl, &defaultKeyLen, &intStatus); |
+ u_UCharsToChars(defaultKey, keyBuffer, defaultKeyLen); |
+ keyBuffer[defaultKeyLen] = 0; |
+ } else { |
+ *status = U_INTERNAL_PROGRAM_ERROR; |
+ return NULL; |
+ } |
+ ures_close(defaultColl); |
+ } |
+ collElem = ures_getByKeyWithFallback(collations, keyBuffer, collations, status); |
+ collations = NULL; // We just reused the collations object as collElem. |
+ |
+ UResourceBundle *binary = NULL; |
+ UResourceBundle *reorderRes = NULL; |
+ |
+ if(*status == U_MISSING_RESOURCE_ERROR) { /* We didn't find the tailoring data, we fallback to the UCA */ |
+ *status = U_USING_DEFAULT_WARNING; |
+ result = ucol_initCollator(UCA->image, result, UCA, status); |
+ if (U_FAILURE(*status)) { |
+ goto clean; |
+ } |
+ // if we use UCA, real locale is root |
+ ures_close(b); |
+ b = ures_open(U_ICUDATA_COLL, "", status); |
+ ures_close(collElem); |
+ collElem = ures_open(U_ICUDATA_COLL, "", status); |
+ if(U_FAILURE(*status)) { |
+ goto clean; |
+ } |
+ result->hasRealData = FALSE; |
+ } else if(U_SUCCESS(*status)) { |
+ intStatus = U_ZERO_ERROR; |
+ |
+ binary = ures_getByKey(collElem, "%%CollationBin", NULL, &intStatus); |
+ |
+ if(intStatus == U_MISSING_RESOURCE_ERROR) { /* we didn't find the binary image, we should use the rules */ |
+ binary = NULL; |
+ result = tryOpeningFromRules(collElem, status); |
+ if(U_FAILURE(*status)) { |
+ goto clean; |
+ } |
+ } else if(U_SUCCESS(intStatus)) { /* otherwise, we'll pick a collation data that exists */ |
+ int32_t len = 0; |
+ const uint8_t *inData = ures_getBinary(binary, &len, status); |
+ if(U_FAILURE(*status)) { |
+ goto clean; |
+ } |
+ UCATableHeader *colData = (UCATableHeader *)inData; |
+ if(uprv_memcmp(colData->UCAVersion, UCA->image->UCAVersion, sizeof(UVersionInfo)) != 0 || |
+ uprv_memcmp(colData->UCDVersion, UCA->image->UCDVersion, sizeof(UVersionInfo)) != 0 || |
+ colData->version[0] != UCOL_BUILDER_VERSION) |
+ { |
+ *status = U_DIFFERENT_UCA_VERSION; |
+ result = tryOpeningFromRules(collElem, status); |
+ } else { |
+ if(U_FAILURE(*status)){ |
+ goto clean; |
+ } |
+ if((uint32_t)len > (paddedsize(sizeof(UCATableHeader)) + paddedsize(sizeof(UColOptionSet)))) { |
+ result = ucol_initCollator((const UCATableHeader *)inData, result, UCA, status); |
+ if(U_FAILURE(*status)){ |
+ goto clean; |
+ } |
+ result->hasRealData = TRUE; |
+ } else { |
+ result = ucol_initCollator(UCA->image, result, UCA, status); |
+ ucol_setOptionsFromHeader(result, (UColOptionSet *)(inData+((const UCATableHeader *)inData)->options), status); |
+ if(U_FAILURE(*status)){ |
+ goto clean; |
+ } |
+ result->hasRealData = FALSE; |
+ } |
+ result->freeImageOnClose = FALSE; |
+ |
+ reorderRes = ures_getByKey(collElem, "%%ReorderCodes", NULL, &intStatus); |
+ if (U_SUCCESS(intStatus)) { |
+ int32_t reorderCodesLen = 0; |
+ const int32_t* reorderCodes = ures_getIntVector(reorderRes, &reorderCodesLen, status); |
+ ucol_setReorderCodes(result, reorderCodes, reorderCodesLen, status); |
+ if (U_FAILURE(*status)) { |
+ goto clean; |
+ } |
+ } |
+ } |
+ |
+ } else { // !U_SUCCESS(binaryStatus) |
+ if(U_SUCCESS(*status)) { |
+ *status = intStatus; // propagate underlying error |
+ } |
+ goto clean; |
+ } |
+ intStatus = U_ZERO_ERROR; |
+ result->rules = ures_getStringByKey(collElem, "Sequence", &result->rulesLength, &intStatus); |
+ result->freeRulesOnClose = FALSE; |
+ } else { /* There is another error, and we're just gonna clean up */ |
+ goto clean; |
+ } |
+ |
+ intStatus = U_ZERO_ERROR; |
+ result->ucaRules = ures_getStringByKey(b,"UCARules",NULL,&intStatus); |
+ |
+ if(loc == NULL) { |
+ loc = ures_getLocaleByType(b, ULOC_ACTUAL_LOCALE, status); |
+ } |
+ result->requestedLocale = uprv_strdup(loc); |
+ /* test for NULL */ |
+ if (result->requestedLocale == NULL) { |
+ *status = U_MEMORY_ALLOCATION_ERROR; |
+ goto clean; |
+ } |
+ loc = ures_getLocaleByType(collElem, ULOC_ACTUAL_LOCALE, status); |
+ result->actualLocale = uprv_strdup(loc); |
+ /* test for NULL */ |
+ if (result->actualLocale == NULL) { |
+ *status = U_MEMORY_ALLOCATION_ERROR; |
+ goto clean; |
+ } |
+ loc = ures_getLocaleByType(b, ULOC_ACTUAL_LOCALE, status); |
+ result->validLocale = uprv_strdup(loc); |
+ /* test for NULL */ |
+ if (result->validLocale == NULL) { |
+ *status = U_MEMORY_ALLOCATION_ERROR; |
+ goto clean; |
+ } |
+ |
+ ures_close(b); |
+ ures_close(collElem); |
+ ures_close(binary); |
+ ures_close(reorderRes); |
+ return result; |
+ |
+clean: |
+ ures_close(b); |
+ ures_close(collElem); |
+ ures_close(binary); |
+ ures_close(reorderRes); |
+ ucol_close(result); |
+ return NULL; |
+} |
+ |
+U_CAPI UCollator* |
+ucol_open(const char *loc, |
+ UErrorCode *status) |
+{ |
+ U_NAMESPACE_USE |
+ |
+ UTRACE_ENTRY_OC(UTRACE_UCOL_OPEN); |
+ UTRACE_DATA1(UTRACE_INFO, "locale = \"%s\"", loc); |
+ UCollator *result = NULL; |
+ |
+#if !UCONFIG_NO_SERVICE |
+ result = Collator::createUCollator(loc, status); |
+ if (result == NULL) |
+#endif |
+ { |
+ result = ucol_open_internal(loc, status); |
+ } |
+ UTRACE_EXIT_PTR_STATUS(result, *status); |
+ return result; |
+} |
+ |
+ |
+UCollator* |
+ucol_openRulesForImport( const UChar *rules, |
+ int32_t rulesLength, |
+ UColAttributeValue normalizationMode, |
+ UCollationStrength strength, |
+ UParseError *parseError, |
+ GetCollationRulesFunction importFunc, |
+ void* context, |
+ UErrorCode *status) |
+{ |
+ UColTokenParser src; |
+ UColAttributeValue norm; |
+ UParseError tErr; |
+ |
+ if(status == NULL || U_FAILURE(*status)){ |
+ return 0; |
+ } |
+ |
+ if(rules == NULL || rulesLength < -1) { |
+ *status = U_ILLEGAL_ARGUMENT_ERROR; |
+ return 0; |
+ } |
+ |
+ if(rulesLength == -1) { |
+ rulesLength = u_strlen(rules); |
+ } |
+ |
+ if(parseError == NULL){ |
+ parseError = &tErr; |
+ } |
+ |
+ switch(normalizationMode) { |
+ case UCOL_OFF: |
+ case UCOL_ON: |
+ case UCOL_DEFAULT: |
+ norm = normalizationMode; |
+ break; |
+ default: |
+ *status = U_ILLEGAL_ARGUMENT_ERROR; |
+ return 0; |
+ } |
+ |
+ UCollator *result = NULL; |
+ UCATableHeader *table = NULL; |
+ UCollator *UCA = ucol_initUCA(status); |
+ |
+ if(U_FAILURE(*status)){ |
+ return NULL; |
+ } |
+ |
+ ucol_tok_initTokenList(&src, rules, rulesLength, UCA, importFunc, context, status); |
+ ucol_tok_assembleTokenList(&src,parseError, status); |
+ |
+ if(U_FAILURE(*status)) { |
+ /* if status is U_ILLEGAL_ARGUMENT_ERROR, src->current points at the offending option */ |
+ /* if status is U_INVALID_FORMAT_ERROR, src->current points after the problematic part of the rules */ |
+ /* so something might be done here... or on lower level */ |
+#ifdef UCOL_DEBUG |
+ if(*status == U_ILLEGAL_ARGUMENT_ERROR) { |
+ fprintf(stderr, "bad option starting at offset %i\n", (int)(src.current-src.source)); |
+ } else { |
+ fprintf(stderr, "invalid rule just before offset %i\n", (int)(src.current-src.source)); |
+ } |
+#endif |
+ goto cleanup; |
+ } |
+ |
+ if(src.resultLen > 0 || src.removeSet != NULL) { /* we have a set of rules, let's make something of it */ |
+ /* also, if we wanted to remove some contractions, we should make a tailoring */ |
+ table = ucol_assembleTailoringTable(&src, status); |
+ if(U_SUCCESS(*status)) { |
+ // builder version |
+ table->version[0] = UCOL_BUILDER_VERSION; |
+ // no tailoring information on this level |
+ table->version[1] = table->version[2] = table->version[3] = 0; |
+ // set UCD version |
+ u_getUnicodeVersion(table->UCDVersion); |
+ // set UCA version |
+ uprv_memcpy(table->UCAVersion, UCA->image->UCAVersion, sizeof(UVersionInfo)); |
+ result = ucol_initCollator(table, 0, UCA, status); |
+ if (U_FAILURE(*status)) { |
+ goto cleanup; |
+ } |
+ result->hasRealData = TRUE; |
+ result->freeImageOnClose = TRUE; |
+ } |
+ } else { /* no rules, but no error either */ |
+ // must be only options |
+ // We will init the collator from UCA |
+ result = ucol_initCollator(UCA->image, 0, UCA, status); |
+ // Check for null result |
+ if (U_FAILURE(*status)) { |
+ goto cleanup; |
+ } |
+ // And set only the options |
+ UColOptionSet *opts = (UColOptionSet *)uprv_malloc(sizeof(UColOptionSet)); |
+ /* test for NULL */ |
+ if (opts == NULL) { |
+ *status = U_MEMORY_ALLOCATION_ERROR; |
+ goto cleanup; |
+ } |
+ uprv_memcpy(opts, src.opts, sizeof(UColOptionSet)); |
+ ucol_setOptionsFromHeader(result, opts, status); |
+ ucol_setReorderCodesFromParser(result, &src, status); |
+ result->freeOptionsOnClose = TRUE; |
+ result->hasRealData = FALSE; |
+ result->freeImageOnClose = FALSE; |
+ } |
+ |
+ if(U_SUCCESS(*status)) { |
+ UChar *newRules; |
+ result->dataVersion[0] = UCOL_BUILDER_VERSION; |
+ if(rulesLength > 0) { |
+ newRules = (UChar *)uprv_malloc((rulesLength+1)*U_SIZEOF_UCHAR); |
+ /* test for NULL */ |
+ if (newRules == NULL) { |
+ *status = U_MEMORY_ALLOCATION_ERROR; |
+ goto cleanup; |
+ } |
+ uprv_memcpy(newRules, rules, rulesLength*U_SIZEOF_UCHAR); |
+ newRules[rulesLength]=0; |
+ result->rules = newRules; |
+ result->rulesLength = rulesLength; |
+ result->freeRulesOnClose = TRUE; |
+ } |
+ result->ucaRules = NULL; |
+ result->actualLocale = NULL; |
+ result->validLocale = NULL; |
+ result->requestedLocale = NULL; |
+ ucol_buildPermutationTable(result, status); |
+ ucol_setAttribute(result, UCOL_STRENGTH, strength, status); |
+ ucol_setAttribute(result, UCOL_NORMALIZATION_MODE, norm, status); |
+ } else { |
+cleanup: |
+ if(result != NULL) { |
+ ucol_close(result); |
+ } else { |
+ if(table != NULL) { |
+ uprv_free(table); |
+ } |
+ } |
+ result = NULL; |
+ } |
+ |
+ ucol_tok_closeTokenList(&src); |
+ |
+ return result; |
+} |
+ |
+U_CAPI UCollator* U_EXPORT2 |
+ucol_openRules( const UChar *rules, |
+ int32_t rulesLength, |
+ UColAttributeValue normalizationMode, |
+ UCollationStrength strength, |
+ UParseError *parseError, |
+ UErrorCode *status) |
+{ |
+ return ucol_openRulesForImport(rules, |
+ rulesLength, |
+ normalizationMode, |
+ strength, |
+ parseError, |
+ ucol_tok_getRulesFromBundle, |
+ NULL, |
+ status); |
+} |
+ |
+U_CAPI int32_t U_EXPORT2 |
+ucol_getRulesEx(const UCollator *coll, UColRuleOption delta, UChar *buffer, int32_t bufferLen) { |
+ UErrorCode status = U_ZERO_ERROR; |
+ int32_t len = 0; |
+ int32_t UCAlen = 0; |
+ const UChar* ucaRules = 0; |
+ const UChar *rules = ucol_getRules(coll, &len); |
+ if(delta == UCOL_FULL_RULES) { |
+ /* take the UCA rules and append real rules at the end */ |
+ /* UCA rules will be probably coming from the root RB */ |
+ ucaRules = coll->ucaRules; |
+ if (ucaRules) { |
+ UCAlen = u_strlen(ucaRules); |
+ } |
+ /* |
+ ucaRules = ures_getStringByKey(coll->rb,"UCARules",&UCAlen,&status); |
+ UResourceBundle* cresb = ures_getByKeyWithFallback(coll->rb, "collations", NULL, &status); |
+ UResourceBundle* uca = ures_getByKeyWithFallback(cresb, "UCA", NULL, &status); |
+ ucaRules = ures_getStringByKey(uca,"Sequence",&UCAlen,&status); |
+ ures_close(uca); |
+ ures_close(cresb); |
+ */ |
+ } |
+ if(U_FAILURE(status)) { |
+ return 0; |
+ } |
+ if(buffer!=0 && bufferLen>0){ |
+ *buffer=0; |
+ if(UCAlen > 0) { |
+ u_memcpy(buffer, ucaRules, uprv_min(UCAlen, bufferLen)); |
+ } |
+ if(len > 0 && bufferLen > UCAlen) { |
+ u_memcpy(buffer+UCAlen, rules, uprv_min(len, bufferLen-UCAlen)); |
+ } |
+ } |
+ return u_terminateUChars(buffer, bufferLen, len+UCAlen, &status); |
+} |
+ |
+static const UChar _NUL = 0; |
+ |
+U_CAPI const UChar* U_EXPORT2 |
+ucol_getRules( const UCollator *coll, |
+ int32_t *length) |
+{ |
+ if(coll->rules != NULL) { |
+ *length = coll->rulesLength; |
+ return coll->rules; |
+ } |
+ else { |
+ *length = 0; |
+ return &_NUL; |
+ } |
+} |
+ |
+U_CAPI UBool U_EXPORT2 |
+ucol_equals(const UCollator *source, const UCollator *target) { |
+ UErrorCode status = U_ZERO_ERROR; |
+ // if pointers are equal, collators are equal |
+ if(source == target) { |
+ return TRUE; |
+ } |
+ int32_t i = 0, j = 0; |
+ // if any of attributes are different, collators are not equal |
+ for(i = 0; i < UCOL_ATTRIBUTE_COUNT; i++) { |
+ if(ucol_getAttribute(source, (UColAttribute)i, &status) != ucol_getAttribute(target, (UColAttribute)i, &status) || U_FAILURE(status)) { |
+ return FALSE; |
+ } |
+ } |
+ if (source->reorderCodesLength != target->reorderCodesLength){ |
+ return FALSE; |
+ } |
+ for (i = 0; i < source->reorderCodesLength; i++) { |
+ if(source->reorderCodes[i] != target->reorderCodes[i]) { |
+ return FALSE; |
+ } |
+ } |
+ |
+ int32_t sourceRulesLen = 0, targetRulesLen = 0; |
+ const UChar *sourceRules = ucol_getRules(source, &sourceRulesLen); |
+ const UChar *targetRules = ucol_getRules(target, &targetRulesLen); |
+ |
+ if(sourceRulesLen == targetRulesLen && u_strncmp(sourceRules, targetRules, sourceRulesLen) == 0) { |
+ // all the attributes are equal and the rules are equal - collators are equal |
+ return(TRUE); |
+ } |
+ // hard part, need to construct tree from rules and see if they yield the same tailoring |
+ UBool result = TRUE; |
+ UParseError parseError; |
+ UColTokenParser sourceParser, targetParser; |
+ int32_t sourceListLen = 0, targetListLen = 0; |
+ ucol_tok_initTokenList(&sourceParser, sourceRules, sourceRulesLen, source->UCA, ucol_tok_getRulesFromBundle, NULL, &status); |
+ ucol_tok_initTokenList(&targetParser, targetRules, targetRulesLen, target->UCA, ucol_tok_getRulesFromBundle, NULL, &status); |
+ sourceListLen = ucol_tok_assembleTokenList(&sourceParser, &parseError, &status); |
+ targetListLen = ucol_tok_assembleTokenList(&targetParser, &parseError, &status); |
+ |
+ if(sourceListLen != targetListLen) { |
+ // different number of resets |
+ result = FALSE; |
+ } else { |
+ UColToken *sourceReset = NULL, *targetReset = NULL; |
+ UChar *sourceResetString = NULL, *targetResetString = NULL; |
+ int32_t sourceStringLen = 0, targetStringLen = 0; |
+ for(i = 0; i < sourceListLen; i++) { |
+ sourceReset = sourceParser.lh[i].reset; |
+ sourceResetString = sourceParser.source+(sourceReset->source & 0xFFFFFF); |
+ sourceStringLen = sourceReset->source >> 24; |
+ for(j = 0; j < sourceListLen; j++) { |
+ targetReset = targetParser.lh[j].reset; |
+ targetResetString = targetParser.source+(targetReset->source & 0xFFFFFF); |
+ targetStringLen = targetReset->source >> 24; |
+ if(sourceStringLen == targetStringLen && (u_strncmp(sourceResetString, targetResetString, sourceStringLen) == 0)) { |
+ sourceReset = sourceParser.lh[i].first; |
+ targetReset = targetParser.lh[j].first; |
+ while(sourceReset != NULL && targetReset != NULL) { |
+ sourceResetString = sourceParser.source+(sourceReset->source & 0xFFFFFF); |
+ sourceStringLen = sourceReset->source >> 24; |
+ targetResetString = targetParser.source+(targetReset->source & 0xFFFFFF); |
+ targetStringLen = targetReset->source >> 24; |
+ if(sourceStringLen != targetStringLen || (u_strncmp(sourceResetString, targetResetString, sourceStringLen) != 0)) { |
+ result = FALSE; |
+ goto returnResult; |
+ } |
+ // probably also need to check the expansions |
+ if(sourceReset->expansion) { |
+ if(!targetReset->expansion) { |
+ result = FALSE; |
+ goto returnResult; |
+ } else { |
+ // compare expansions |
+ sourceResetString = sourceParser.source+(sourceReset->expansion& 0xFFFFFF); |
+ sourceStringLen = sourceReset->expansion >> 24; |
+ targetResetString = targetParser.source+(targetReset->expansion & 0xFFFFFF); |
+ targetStringLen = targetReset->expansion >> 24; |
+ if(sourceStringLen != targetStringLen || (u_strncmp(sourceResetString, targetResetString, sourceStringLen) != 0)) { |
+ result = FALSE; |
+ goto returnResult; |
+ } |
+ } |
+ } else { |
+ if(targetReset->expansion) { |
+ result = FALSE; |
+ goto returnResult; |
+ } |
+ } |
+ sourceReset = sourceReset->next; |
+ targetReset = targetReset->next; |
+ } |
+ if(sourceReset != targetReset) { // at least one is not NULL |
+ // there are more tailored elements in one list |
+ result = FALSE; |
+ goto returnResult; |
+ } |
+ |
+ |
+ break; |
+ } |
+ } |
+ // couldn't find the reset anchor, so the collators are not equal |
+ if(j == sourceListLen) { |
+ result = FALSE; |
+ goto returnResult; |
+ } |
+ } |
+ } |
+ |
+returnResult: |
+ ucol_tok_closeTokenList(&sourceParser); |
+ ucol_tok_closeTokenList(&targetParser); |
+ return result; |
+ |
+} |
+ |
+U_CAPI int32_t U_EXPORT2 |
+ucol_getDisplayName( const char *objLoc, |
+ const char *dispLoc, |
+ UChar *result, |
+ int32_t resultLength, |
+ UErrorCode *status) |
+{ |
+ U_NAMESPACE_USE |
+ |
+ if(U_FAILURE(*status)) return -1; |
+ UnicodeString dst; |
+ if(!(result==NULL && resultLength==0)) { |
+ // NULL destination for pure preflighting: empty dummy string |
+ // otherwise, alias the destination buffer |
+ dst.setTo(result, 0, resultLength); |
+ } |
+ Collator::getDisplayName(Locale(objLoc), Locale(dispLoc), dst); |
+ return dst.extract(result, resultLength, *status); |
+} |
+ |
+U_CAPI const char* U_EXPORT2 |
+ucol_getAvailable(int32_t index) |
+{ |
+ int32_t count = 0; |
+ const Locale *loc = Collator::getAvailableLocales(count); |
+ if (loc != NULL && index < count) { |
+ return loc[index].getName(); |
+ } |
+ return NULL; |
+} |
+ |
+U_CAPI int32_t U_EXPORT2 |
+ucol_countAvailable() |
+{ |
+ int32_t count = 0; |
+ Collator::getAvailableLocales(count); |
+ return count; |
+} |
+ |
+#if !UCONFIG_NO_SERVICE |
+U_CAPI UEnumeration* U_EXPORT2 |
+ucol_openAvailableLocales(UErrorCode *status) { |
+ U_NAMESPACE_USE |
+ |
+ // This is a wrapper over Collator::getAvailableLocales() |
+ if (U_FAILURE(*status)) { |
+ return NULL; |
+ } |
+ StringEnumeration *s = Collator::getAvailableLocales(); |
+ if (s == NULL) { |
+ *status = U_MEMORY_ALLOCATION_ERROR; |
+ return NULL; |
+ } |
+ return uenum_openFromStringEnumeration(s, status); |
+} |
+#endif |
+ |
+// Note: KEYWORDS[0] != RESOURCE_NAME - alan |
+ |
+static const char RESOURCE_NAME[] = "collations"; |
+ |
+static const char* const KEYWORDS[] = { "collation" }; |
+ |
+#define KEYWORD_COUNT (sizeof(KEYWORDS)/sizeof(KEYWORDS[0])) |
+ |
+U_CAPI UEnumeration* U_EXPORT2 |
+ucol_getKeywords(UErrorCode *status) { |
+ UEnumeration *result = NULL; |
+ if (U_SUCCESS(*status)) { |
+ return uenum_openCharStringsEnumeration(KEYWORDS, KEYWORD_COUNT, status); |
+ } |
+ return result; |
+} |
+ |
+U_CAPI UEnumeration* U_EXPORT2 |
+ucol_getKeywordValues(const char *keyword, UErrorCode *status) { |
+ if (U_FAILURE(*status)) { |
+ return NULL; |
+ } |
+ // hard-coded to accept exactly one collation keyword |
+ // modify if additional collation keyword is added later |
+ if (keyword==NULL || uprv_strcmp(keyword, KEYWORDS[0])!=0) |
+ { |
+ *status = U_ILLEGAL_ARGUMENT_ERROR; |
+ return NULL; |
+ } |
+ return ures_getKeywordValues(U_ICUDATA_COLL, RESOURCE_NAME, status); |
+} |
+ |
+static const UEnumeration defaultKeywordValues = { |
+ NULL, |
+ NULL, |
+ ulist_close_keyword_values_iterator, |
+ ulist_count_keyword_values, |
+ uenum_unextDefault, |
+ ulist_next_keyword_value, |
+ ulist_reset_keyword_values_iterator |
+}; |
+ |
+#include <stdio.h> |
+ |
+U_CAPI UEnumeration* U_EXPORT2 |
+ucol_getKeywordValuesForLocale(const char* /*key*/, const char* locale, |
+ UBool /*commonlyUsed*/, UErrorCode* status) { |
+ /* Get the locale base name. */ |
+ char localeBuffer[ULOC_FULLNAME_CAPACITY] = ""; |
+ uloc_getBaseName(locale, localeBuffer, sizeof(localeBuffer), status); |
+ |
+ /* Create the 2 lists |
+ * -values is the temp location for the keyword values |
+ * -results hold the actual list used by the UEnumeration object |
+ */ |
+ UList *values = ulist_createEmptyList(status); |
+ UList *results = ulist_createEmptyList(status); |
+ UEnumeration *en = (UEnumeration *)uprv_malloc(sizeof(UEnumeration)); |
+ if (U_FAILURE(*status) || en == NULL) { |
+ if (en == NULL) { |
+ *status = U_MEMORY_ALLOCATION_ERROR; |
+ } else { |
+ uprv_free(en); |
+ } |
+ ulist_deleteList(values); |
+ ulist_deleteList(results); |
+ return NULL; |
+ } |
+ |
+ memcpy(en, &defaultKeywordValues, sizeof(UEnumeration)); |
+ en->context = results; |
+ |
+ /* Open the resource bundle for collation with the given locale. */ |
+ UResourceBundle bundle, collations, collres, defres; |
+ ures_initStackObject(&bundle); |
+ ures_initStackObject(&collations); |
+ ures_initStackObject(&collres); |
+ ures_initStackObject(&defres); |
+ |
+ ures_openFillIn(&bundle, U_ICUDATA_COLL, localeBuffer, status); |
+ |
+ while (U_SUCCESS(*status)) { |
+ ures_getByKey(&bundle, RESOURCE_NAME, &collations, status); |
+ ures_resetIterator(&collations); |
+ while (U_SUCCESS(*status) && ures_hasNext(&collations)) { |
+ ures_getNextResource(&collations, &collres, status); |
+ const char *key = ures_getKey(&collres); |
+ /* If the key is default, get the string and store it in results list only |
+ * if results list is empty. |
+ */ |
+ if (uprv_strcmp(key, "default") == 0) { |
+ if (ulist_getListSize(results) == 0) { |
+ char *defcoll = (char *)uprv_malloc(sizeof(char) * ULOC_KEYWORDS_CAPACITY); |
+ int32_t defcollLength = ULOC_KEYWORDS_CAPACITY; |
+ |
+ ures_getNextResource(&collres, &defres, status); |
+#if U_CHARSET_FAMILY==U_ASCII_FAMILY |
+ /* optimize - use the utf-8 string */ |
+ ures_getUTF8String(&defres, defcoll, &defcollLength, TRUE, status); |
+#else |
+ { |
+ const UChar* defString = ures_getString(&defres, &defcollLength, status); |
+ if(U_SUCCESS(*status)) { |
+ if(defcollLength+1 > ULOC_KEYWORDS_CAPACITY) { |
+ *status = U_BUFFER_OVERFLOW_ERROR; |
+ } else { |
+ u_UCharsToChars(defString, defcoll, defcollLength+1); |
+ } |
+ } |
+ } |
+#endif |
+ |
+ ulist_addItemBeginList(results, defcoll, TRUE, status); |
+ } |
+ } else { |
+ ulist_addItemEndList(values, key, FALSE, status); |
+ } |
+ } |
+ |
+ /* If the locale is "" this is root so exit. */ |
+ if (uprv_strlen(localeBuffer) == 0) { |
+ break; |
+ } |
+ /* Get the parent locale and open a new resource bundle. */ |
+ uloc_getParent(localeBuffer, localeBuffer, sizeof(localeBuffer), status); |
+ ures_openFillIn(&bundle, U_ICUDATA_COLL, localeBuffer, status); |
+ } |
+ |
+ ures_close(&defres); |
+ ures_close(&collres); |
+ ures_close(&collations); |
+ ures_close(&bundle); |
+ |
+ if (U_SUCCESS(*status)) { |
+ char *value = NULL; |
+ ulist_resetList(values); |
+ while ((value = (char *)ulist_getNext(values)) != NULL) { |
+ if (!ulist_containsString(results, value, (int32_t)uprv_strlen(value))) { |
+ ulist_addItemEndList(results, value, FALSE, status); |
+ if (U_FAILURE(*status)) { |
+ break; |
+ } |
+ } |
+ } |
+ } |
+ |
+ ulist_deleteList(values); |
+ |
+ if (U_FAILURE(*status)){ |
+ uenum_close(en); |
+ en = NULL; |
+ } else { |
+ ulist_resetList(results); |
+ } |
+ |
+ return en; |
+} |
+ |
+U_CAPI int32_t U_EXPORT2 |
+ucol_getFunctionalEquivalent(char* result, int32_t resultCapacity, |
+ const char* keyword, const char* locale, |
+ UBool* isAvailable, UErrorCode* status) |
+{ |
+ // N.B.: Resource name is "collations" but keyword is "collation" |
+ return ures_getFunctionalEquivalent(result, resultCapacity, U_ICUDATA_COLL, |
+ "collations", keyword, locale, |
+ isAvailable, TRUE, status); |
+} |
+ |
+/* returns the locale name the collation data comes from */ |
+U_CAPI const char * U_EXPORT2 |
+ucol_getLocale(const UCollator *coll, ULocDataLocaleType type, UErrorCode *status) { |
+ return ucol_getLocaleByType(coll, type, status); |
+} |
+ |
+U_CAPI const char * U_EXPORT2 |
+ucol_getLocaleByType(const UCollator *coll, ULocDataLocaleType type, UErrorCode *status) { |
+ const char *result = NULL; |
+ if(status == NULL || U_FAILURE(*status)) { |
+ return NULL; |
+ } |
+ UTRACE_ENTRY(UTRACE_UCOL_GETLOCALE); |
+ UTRACE_DATA1(UTRACE_INFO, "coll=%p", coll); |
+ |
+ switch(type) { |
+ case ULOC_ACTUAL_LOCALE: |
+ result = coll->actualLocale; |
+ break; |
+ case ULOC_VALID_LOCALE: |
+ result = coll->validLocale; |
+ break; |
+ case ULOC_REQUESTED_LOCALE: |
+ result = coll->requestedLocale; |
+ break; |
+ default: |
+ *status = U_ILLEGAL_ARGUMENT_ERROR; |
+ } |
+ UTRACE_DATA1(UTRACE_INFO, "result = %s", result); |
+ UTRACE_EXIT_STATUS(*status); |
+ return result; |
+} |
+ |
+U_CFUNC void U_EXPORT2 |
+ucol_setReqValidLocales(UCollator *coll, char *requestedLocaleToAdopt, char *validLocaleToAdopt, char *actualLocaleToAdopt) |
+{ |
+ if (coll) { |
+ if (coll->validLocale) { |
+ uprv_free(coll->validLocale); |
+ } |
+ coll->validLocale = validLocaleToAdopt; |
+ if (coll->requestedLocale) { // should always have |
+ uprv_free(coll->requestedLocale); |
+ } |
+ coll->requestedLocale = requestedLocaleToAdopt; |
+ if (coll->actualLocale) { |
+ uprv_free(coll->actualLocale); |
+ } |
+ coll->actualLocale = actualLocaleToAdopt; |
+ } |
+} |
+ |
+U_CAPI USet * U_EXPORT2 |
+ucol_getTailoredSet(const UCollator *coll, UErrorCode *status) |
+{ |
+ U_NAMESPACE_USE |
+ |
+ if(status == NULL || U_FAILURE(*status)) { |
+ return NULL; |
+ } |
+ if(coll == NULL || coll->UCA == NULL) { |
+ *status = U_ILLEGAL_ARGUMENT_ERROR; |
+ return NULL; |
+ } |
+ UParseError parseError; |
+ UColTokenParser src; |
+ int32_t rulesLen = 0; |
+ const UChar *rules = ucol_getRules(coll, &rulesLen); |
+ UBool startOfRules = TRUE; |
+ // we internally use the C++ class, for the following reasons: |
+ // 1. we need to utilize canonical iterator, which is a C++ only class |
+ // 2. canonical iterator returns UnicodeStrings - USet cannot take them |
+ // 3. USet is internally really UnicodeSet, C is just a wrapper |
+ UnicodeSet *tailored = new UnicodeSet(); |
+ UnicodeString pattern; |
+ UnicodeString empty; |
+ CanonicalIterator it(empty, *status); |
+ |
+ |
+ // The idea is to tokenize the rule set. For each non-reset token, |
+ // we add all the canonicaly equivalent FCD sequences |
+ ucol_tok_initTokenList(&src, rules, rulesLen, coll->UCA, ucol_tok_getRulesFromBundle, NULL, status); |
+ while (ucol_tok_parseNextToken(&src, startOfRules, &parseError, status) != NULL) { |
+ startOfRules = FALSE; |
+ if(src.parsedToken.strength != UCOL_TOK_RESET) { |
+ const UChar *stuff = src.source+(src.parsedToken.charsOffset); |
+ it.setSource(UnicodeString(stuff, src.parsedToken.charsLen), *status); |
+ pattern = it.next(); |
+ while(!pattern.isBogus()) { |
+ if(Normalizer::quickCheck(pattern, UNORM_FCD, *status) != UNORM_NO) { |
+ tailored->add(pattern); |
+ } |
+ pattern = it.next(); |
+ } |
+ } |
+ } |
+ ucol_tok_closeTokenList(&src); |
+ return (USet *)tailored; |
+} |
+ |
+/* |
+ * Collation Reordering |
+ */ |
+ |
+static void ucol_setReorderCodesFromParser(UCollator *coll, UColTokenParser *parser, UErrorCode *status) { |
+ if (U_FAILURE(*status)) { |
+ return; |
+ } |
+ |
+ coll->reorderCodesLength = 0; |
+ if (coll->reorderCodes != NULL) { |
+ uprv_free(coll->reorderCodes); |
+ } |
+ |
+ if (parser->reorderCodesLength == 0 || parser->reorderCodes == NULL) { |
+ return; |
+ } |
+ |
+ coll->reorderCodesLength = parser->reorderCodesLength; |
+ coll->reorderCodes = (int32_t*) uprv_malloc(coll->reorderCodesLength * sizeof(int32_t)); |
+ uprv_memcpy(coll->reorderCodes, parser->reorderCodes, coll->reorderCodesLength * sizeof(int32_t)); |
+} |
+ |
+static int ucol_getLeadBytesForReorderCode(UCollator *coll, int reorderCode, uint16_t* returnLeadBytes, int returnCapacity) { |
+ uint16_t reorderCodeIndexLength = *((uint16_t*) ((uint8_t *)coll->UCA->image + coll->UCA->image->scriptToLeadByte)); |
+ uint16_t* reorderCodeIndex = (uint16_t*) ((uint8_t *)coll->UCA->image + coll->UCA->image->scriptToLeadByte + 2 *sizeof(uint16_t)); |
+ |
+ // TODO - replace with a binary search |
+ // reorder code index is 2 uint16_t's - reorder code + offset |
+ for (int i = 0; i < reorderCodeIndexLength; i++) { |
+ if (reorderCode == reorderCodeIndex[i*2]) { |
+ uint16_t dataOffset = reorderCodeIndex[(i*2) + 1]; |
+ if ((dataOffset & 0x8000) == 0x8000) { |
+ // offset isn't offset but instead is a single data element |
+ if (returnCapacity >= 1) { |
+ returnLeadBytes[0] = dataOffset & ~0x8000; |
+ return 1; |
+ } |
+ return 0; |
+ } |
+ uint16_t* dataOffsetBase = (uint16_t*) ((uint8_t *)reorderCodeIndex + reorderCodeIndexLength * (2 * sizeof(uint16_t))); |
+ uint16_t leadByteCount = *(dataOffsetBase + dataOffset); |
+ leadByteCount = leadByteCount > returnCapacity ? returnCapacity : leadByteCount; |
+ uprv_memcpy(returnLeadBytes, dataOffsetBase + dataOffset + 1, leadByteCount * sizeof(uint16_t)); |
+ return leadByteCount; |
+ } |
+ } |
+ return 0; |
+} |
+ |
+static int ucol_getReorderCodesForLeadByte(UCollator *coll, int leadByte, int16_t* returnReorderCodes, int returnCapacity) { |
+ int leadByteIndexLength = *((uint16_t*) ((uint8_t *)coll->UCA->image + coll->UCA->image->leadByteToScript)); |
+ uint16_t* leadByteIndex = (uint16_t*) ((uint8_t *)coll->UCA->image + coll->UCA->image->leadByteToScript + 2 *sizeof(uint16_t)); |
+ if (leadByte >= leadByteIndexLength) { |
+ return 0; |
+ } |
+ |
+ if ((leadByteIndex[leadByte] & 0x8000) == 0x8000) { |
+ // offset isn't offset but instead is a single data element |
+ if (returnCapacity >= 1) { |
+ returnReorderCodes[0] = leadByteIndex[leadByte] & ~0x8000; |
+ return 1; |
+ } |
+ return 0; |
+ } |
+ uint16_t* dataOffsetBase = (uint16_t*) ((uint8_t *)leadByteIndex + leadByteIndexLength * (2 * sizeof(uint16_t))); |
+ uint16_t reorderCodeCount = *(dataOffsetBase + leadByteIndex[leadByte]); |
+ reorderCodeCount = reorderCodeCount > returnCapacity ? returnCapacity : reorderCodeCount; |
+ uprv_memcpy(returnReorderCodes, dataOffsetBase + leadByteIndex[leadByte] + 1, reorderCodeCount * sizeof(uint16_t)); |
+ return reorderCodeCount; |
+} |
+ |
+// used to mark ignorable reorder code slots |
+static const int32_t UCOL_REORDER_CODE_IGNORE = UCOL_REORDER_CODE_LIMIT + 1; |
+ |
+void ucol_buildPermutationTable(UCollator *coll, UErrorCode *status) { |
+ uint16_t leadBytesSize = 256; |
+ uint16_t leadBytes[256]; |
+ int32_t internalReorderCodesLength = coll->reorderCodesLength + (UCOL_REORDER_CODE_LIMIT - UCOL_REORDER_CODE_FIRST); |
+ int32_t* internalReorderCodes; |
+ |
+ // The lowest byte that hasn't been assigned a mapping |
+ int toBottom = 0x03; |
+ // The highest byte that hasn't been assigned a mapping - don't include the special or trailing |
+ int toTop = 0xe4; |
+ |
+ // are we filling from the bottom? |
+ bool fromTheBottom = true; |
+ |
+ // lead bytes that have alread been assigned to the permutation table |
+ bool newLeadByteUsed[256]; |
+ // permutation table slots that have already been filled |
+ bool permutationSlotFilled[256]; |
+ |
+ // nothing to do |
+ if(U_FAILURE(*status) || coll == NULL || coll->reorderCodesLength == 0) { |
+ if (coll != NULL) { |
+ if (coll->leadBytePermutationTable != NULL) { |
+ uprv_free(coll->leadBytePermutationTable); |
+ coll->leadBytePermutationTable = NULL; |
+ } |
+ coll->reorderCodesLength = 0; |
+ } |
+ return; |
+ } |
+ |
+ if (coll->leadBytePermutationTable == NULL) { |
+ coll->leadBytePermutationTable = (uint8_t*)uprv_malloc(256*sizeof(uint8_t)); |
+ if (coll->leadBytePermutationTable == NULL) { |
+ *status = U_MEMORY_ALLOCATION_ERROR; |
+ return; |
+ } |
+ } |
+ |
+ // prefill the reordering codes with the leading entries |
+ internalReorderCodes = (int32_t*)uprv_malloc(internalReorderCodesLength * sizeof(int32_t)); |
+ if (internalReorderCodes == NULL) { |
+ *status = U_MEMORY_ALLOCATION_ERROR; |
+ if (coll->leadBytePermutationTable != NULL) { |
+ uprv_free(coll->leadBytePermutationTable); |
+ coll->leadBytePermutationTable = NULL; |
+ } |
+ return; |
+ } |
+ |
+ for (uint32_t codeIndex = 0; codeIndex < (UCOL_REORDER_CODE_LIMIT - UCOL_REORDER_CODE_FIRST); codeIndex++) { |
+ internalReorderCodes[codeIndex] = UCOL_REORDER_CODE_FIRST + codeIndex; |
+ } |
+ for (int32_t codeIndex = 0; codeIndex < coll->reorderCodesLength; codeIndex++) { |
+ uint32_t reorderCodesCode = coll->reorderCodes[codeIndex]; |
+ internalReorderCodes[codeIndex + (UCOL_REORDER_CODE_LIMIT - UCOL_REORDER_CODE_FIRST)] = reorderCodesCode; |
+ if (reorderCodesCode >= UCOL_REORDER_CODE_FIRST && reorderCodesCode < UCOL_REORDER_CODE_LIMIT) { |
+ internalReorderCodes[reorderCodesCode - UCOL_REORDER_CODE_FIRST] = UCOL_REORDER_CODE_IGNORE; |
+ } |
+ } |
+ |
+ for (int i = 0; i < 256; i++) { |
+ if (i < toBottom || i > toTop) { |
+ permutationSlotFilled[i] = true; |
+ newLeadByteUsed[i] = true; |
+ coll->leadBytePermutationTable[i] = i; |
+ } else { |
+ permutationSlotFilled[i] = false; |
+ newLeadByteUsed[i] = false; |
+ coll->leadBytePermutationTable[i] = 0; |
+ } |
+ } |
+ |
+ /* Start from the front of the list and place each script we encounter at the |
+ * earliest possible locatation in the permutation table. If we encounter |
+ * UNKNOWN, start processing from the back, and place each script in the last |
+ * possible location. At each step, we also need to make sure that any scripts |
+ * that need to not be moved are copied to their same location in the final table. |
+ */ |
+ for (int reorderCodesIndex = 0; reorderCodesIndex < internalReorderCodesLength; reorderCodesIndex++) { |
+ int32_t next = internalReorderCodes[reorderCodesIndex]; |
+ if (next == UCOL_REORDER_CODE_IGNORE) { |
+ continue; |
+ } |
+ if (next == USCRIPT_UNKNOWN) { |
+ if (fromTheBottom == false) { |
+ // double turnaround |
+ *status = U_ILLEGAL_ARGUMENT_ERROR; |
+ if (coll->leadBytePermutationTable != NULL) { |
+ uprv_free(coll->leadBytePermutationTable); |
+ coll->leadBytePermutationTable = NULL; |
+ } |
+ coll->reorderCodesLength = 0; |
+ if (internalReorderCodes != NULL) { |
+ uprv_free(internalReorderCodes); |
+ } |
+ return; |
+ } |
+ fromTheBottom = false; |
+ continue; |
+ } |
+ |
+ uint16_t leadByteCount = ucol_getLeadBytesForReorderCode(coll, next, leadBytes, leadBytesSize); |
+ if (fromTheBottom) { |
+ for (int leadByteIndex = 0; leadByteIndex < leadByteCount; leadByteIndex++) { |
+ // don't place a lead byte twice in the permutation table |
+ if (permutationSlotFilled[leadBytes[leadByteIndex]]) { |
+ // lead byte already used |
+ *status = U_ILLEGAL_ARGUMENT_ERROR; |
+ if (coll->leadBytePermutationTable != NULL) { |
+ uprv_free(coll->leadBytePermutationTable); |
+ coll->leadBytePermutationTable = NULL; |
+ } |
+ coll->reorderCodesLength = 0; |
+ if (internalReorderCodes != NULL) { |
+ uprv_free(internalReorderCodes); |
+ } |
+ return; |
+ } |
+ |
+ coll->leadBytePermutationTable[leadBytes[leadByteIndex]] = toBottom; |
+ newLeadByteUsed[toBottom] = true; |
+ permutationSlotFilled[leadBytes[leadByteIndex]] = true; |
+ toBottom++; |
+ } |
+ } else { |
+ for (int leadByteIndex = leadByteCount - 1; leadByteIndex >= 0; leadByteIndex--) { |
+ // don't place a lead byte twice in the permutation table |
+ if (permutationSlotFilled[leadBytes[leadByteIndex]]) { |
+ // lead byte already used |
+ *status = U_ILLEGAL_ARGUMENT_ERROR; |
+ if (coll->leadBytePermutationTable != NULL) { |
+ uprv_free(coll->leadBytePermutationTable); |
+ coll->leadBytePermutationTable = NULL; |
+ } |
+ coll->reorderCodesLength = 0; |
+ if (internalReorderCodes != NULL) { |
+ uprv_free(internalReorderCodes); |
+ } |
+ return; |
+ } |
+ |
+ coll->leadBytePermutationTable[leadBytes[leadByteIndex]] = toTop; |
+ newLeadByteUsed[toTop] = true; |
+ permutationSlotFilled[leadBytes[leadByteIndex]] = true; |
+ toTop--; |
+ } |
+ } |
+ } |
+ |
+#ifdef REORDER_DEBUG |
+ fprintf(stdout, "\n@@@@ Partial Script Reordering Table\n"); |
+ for (int i = 0; i < 256; i++) { |
+ fprintf(stdout, "\t%02x = %02x\n", i, coll->leadBytePermutationTable[i]); |
+ } |
+ fprintf(stdout, "\n@@@@ Lead Byte Used Table\n"); |
+ for (int i = 0; i < 256; i++) { |
+ fprintf(stdout, "\t%02x = %02x\n", i, newLeadByteUsed[i]); |
+ } |
+ fprintf(stdout, "\n@@@@ Permutation Slot Filled Table\n"); |
+ for (int i = 0; i < 256; i++) { |
+ fprintf(stdout, "\t%02x = %02x\n", i, permutationSlotFilled[i]); |
+ } |
+#endif |
+ |
+ /* Copy everything that's left over */ |
+ int reorderCode = 0; |
+ for (int i = 0; i < 256; i++) { |
+ if (!permutationSlotFilled[i]) { |
+ while (reorderCode < 256 && newLeadByteUsed[reorderCode]) { |
+ reorderCode++; |
+ } |
+ coll->leadBytePermutationTable[i] = reorderCode; |
+ permutationSlotFilled[i] = true; |
+ newLeadByteUsed[reorderCode] = true; |
+ } |
+ } |
+ |
+#ifdef REORDER_DEBUG |
+ fprintf(stdout, "\n@@@@ Script Reordering Table\n"); |
+ for (int i = 0; i < 256; i++) { |
+ fprintf(stdout, "\t%02x = %02x\n", i, coll->leadBytePermutationTable[i]); |
+ } |
+#endif |
+ |
+ if (internalReorderCodes != NULL) { |
+ uprv_free(internalReorderCodes); |
+ } |
+ |
+ // force a regen of the latin one table since it is affected by the script reordering |
+ coll->latinOneRegenTable = TRUE; |
+ ucol_updateInternalState(coll, status); |
+} |
+ |
+#endif /* #if !UCONFIG_NO_COLLATION */ |
Property changes on: icu46/source/i18n/ucol_res.cpp |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |