| /* |
| ******************************************************************************* |
| * Copyright (C) 2004-2014, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| ******************************************************************************* |
| * file name: ucol_sit.cpp |
| * encoding: US-ASCII |
| * tab size: 8 (not used) |
| * indentation:4 |
| * |
| * Modification history |
| * Date Name Comments |
| * 03/12/2004 weiv Creation |
| */ |
| |
| #include "starboard/client_porting/poem/string_poem.h" |
| #include "unicode/ustring.h" |
| #include "unicode/udata.h" |
| #include "unicode/utf16.h" |
| #include "utracimp.h" |
| #include "ucol_imp.h" |
| #include "cmemory.h" |
| #include "cstring.h" |
| #include "uresimp.h" |
| #include "unicode/coll.h" |
| |
| #ifdef UCOL_TRACE_SIT |
| # include <stdio.h> |
| #endif |
| |
| #if !UCONFIG_NO_COLLATION |
| |
| #include "unicode/tblcoll.h" |
| |
| enum OptionsList { |
| UCOL_SIT_LANGUAGE = 0, |
| UCOL_SIT_SCRIPT = 1, |
| UCOL_SIT_REGION = 2, |
| UCOL_SIT_VARIANT = 3, |
| UCOL_SIT_KEYWORD = 4, |
| UCOL_SIT_PROVIDER = 5, |
| UCOL_SIT_LOCELEMENT_MAX = UCOL_SIT_PROVIDER, /* the last element that's part of LocElements */ |
| |
| UCOL_SIT_BCP47, |
| UCOL_SIT_STRENGTH, |
| UCOL_SIT_CASE_LEVEL, |
| UCOL_SIT_CASE_FIRST, |
| UCOL_SIT_NUMERIC_COLLATION, |
| UCOL_SIT_ALTERNATE_HANDLING, |
| UCOL_SIT_NORMALIZATION_MODE, |
| UCOL_SIT_FRENCH_COLLATION, |
| UCOL_SIT_HIRAGANA_QUATERNARY, |
| UCOL_SIT_VARIABLE_TOP, |
| UCOL_SIT_VARIABLE_TOP_VALUE, |
| UCOL_SIT_ITEMS_COUNT |
| }; |
| |
| /* option starters chars. */ |
| static const char alternateHArg = 'A'; |
| static const char variableTopValArg = 'B'; |
| static const char caseFirstArg = 'C'; |
| static const char numericCollArg = 'D'; |
| static const char caseLevelArg = 'E'; |
| static const char frenchCollArg = 'F'; |
| static const char hiraganaQArg = 'H'; |
| static const char keywordArg = 'K'; |
| static const char languageArg = 'L'; |
| static const char normArg = 'N'; |
| static const char providerArg = 'P'; |
| static const char regionArg = 'R'; |
| static const char strengthArg = 'S'; |
| static const char variableTopArg = 'T'; |
| static const char variantArg = 'V'; |
| static const char RFC3066Arg = 'X'; |
| static const char scriptArg = 'Z'; |
| |
| static const char collationKeyword[] = "@collation="; |
| static const char providerKeyword[] = "@sp="; |
| |
| |
| static const int32_t locElementCount = UCOL_SIT_LOCELEMENT_MAX+1; |
| static const int32_t locElementCapacity = 32; |
| static const int32_t loc3066Capacity = 256; |
| static const int32_t locProviderCapacity = 10; |
| static const int32_t internalBufferSize = 512; |
| |
| /* structure containing specification of a collator. Initialized |
| * from a short string. Also used to construct a short string from a |
| * collator instance |
| */ |
| struct CollatorSpec { |
| char locElements[locElementCount][locElementCapacity]; |
| char locale[loc3066Capacity]; |
| char provider[locProviderCapacity]; |
| UColAttributeValue options[UCOL_ATTRIBUTE_COUNT]; |
| uint32_t variableTopValue; |
| UChar variableTopString[locElementCapacity]; |
| int32_t variableTopStringLen; |
| UBool variableTopSet; |
| struct { |
| const char *start; |
| int32_t len; |
| } entries[UCOL_SIT_ITEMS_COUNT]; |
| }; |
| |
| |
| /* structure for converting between character attribute |
| * representation and real collation attribute value. |
| */ |
| struct AttributeConversion { |
| char letter; |
| UColAttributeValue value; |
| }; |
| |
| static const AttributeConversion conversions[12] = { |
| { '1', UCOL_PRIMARY }, |
| { '2', UCOL_SECONDARY }, |
| { '3', UCOL_TERTIARY }, |
| { '4', UCOL_QUATERNARY }, |
| { 'D', UCOL_DEFAULT }, |
| { 'I', UCOL_IDENTICAL }, |
| { 'L', UCOL_LOWER_FIRST }, |
| { 'N', UCOL_NON_IGNORABLE }, |
| { 'O', UCOL_ON }, |
| { 'S', UCOL_SHIFTED }, |
| { 'U', UCOL_UPPER_FIRST }, |
| { 'X', UCOL_OFF } |
| }; |
| |
| |
| static UColAttributeValue |
| ucol_sit_letterToAttributeValue(char letter, UErrorCode *status) { |
| uint32_t i = 0; |
| for(i = 0; i < sizeof(conversions)/sizeof(conversions[0]); i++) { |
| if(conversions[i].letter == letter) { |
| return conversions[i].value; |
| } |
| } |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| #ifdef UCOL_TRACE_SIT |
| fprintf(stderr, "%s:%d: unknown letter %c: %s\n", __FILE__, __LINE__, letter, u_errorName(*status)); |
| #endif |
| return UCOL_DEFAULT; |
| } |
| |
| /* function prototype for functions used to parse a short string */ |
| U_CDECL_BEGIN |
| typedef const char* U_CALLCONV |
| ActionFunction(CollatorSpec *spec, uint32_t value1, const char* string, |
| UErrorCode *status); |
| U_CDECL_END |
| |
| U_CDECL_BEGIN |
| static const char* U_CALLCONV |
| _processLocaleElement(CollatorSpec *spec, uint32_t value, const char* string, |
| UErrorCode *status) |
| { |
| int32_t len = 0; |
| do { |
| if(value == UCOL_SIT_LANGUAGE || value == UCOL_SIT_KEYWORD || value == UCOL_SIT_PROVIDER) { |
| spec->locElements[value][len++] = uprv_tolower(*string); |
| } else { |
| spec->locElements[value][len++] = *string; |
| } |
| } while(*(++string) != '_' && *string && len < locElementCapacity); |
| if(len >= locElementCapacity) { |
| *status = U_BUFFER_OVERFLOW_ERROR; |
| return string; |
| } |
| // don't skip the underscore at the end |
| return string; |
| } |
| U_CDECL_END |
| |
| U_CDECL_BEGIN |
| static const char* U_CALLCONV |
| _processRFC3066Locale(CollatorSpec *spec, uint32_t, const char* string, |
| UErrorCode *status) |
| { |
| char terminator = *string; |
| string++; |
| const char *end = uprv_strchr(string+1, terminator); |
| if(end == NULL || end - string >= loc3066Capacity) { |
| *status = U_BUFFER_OVERFLOW_ERROR; |
| return string; |
| } else { |
| uprv_strncpy(spec->locale, string, end-string); |
| return end+1; |
| } |
| } |
| |
| U_CDECL_END |
| |
| U_CDECL_BEGIN |
| static const char* U_CALLCONV |
| _processCollatorOption(CollatorSpec *spec, uint32_t option, const char* string, |
| UErrorCode *status) |
| { |
| spec->options[option] = ucol_sit_letterToAttributeValue(*string, status); |
| if((*(++string) != '_' && *string) || U_FAILURE(*status)) { |
| #ifdef UCOL_TRACE_SIT |
| fprintf(stderr, "%s:%d: unknown collator option at '%s': %s\n", __FILE__, __LINE__, string, u_errorName(*status)); |
| #endif |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| } |
| return string; |
| } |
| U_CDECL_END |
| |
| |
| static UChar |
| readHexCodeUnit(const char **string, UErrorCode *status) |
| { |
| UChar result = 0; |
| int32_t value = 0; |
| char c; |
| int32_t noDigits = 0; |
| while((c = **string) != 0 && noDigits < 4) { |
| if( c >= '0' && c <= '9') { |
| value = c - '0'; |
| } else if ( c >= 'a' && c <= 'f') { |
| value = c - 'a' + 10; |
| } else if ( c >= 'A' && c <= 'F') { |
| value = c - 'A' + 10; |
| } else { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| #ifdef UCOL_TRACE_SIT |
| fprintf(stderr, "%s:%d: Bad hex char at '%s': %s\n", __FILE__, __LINE__, *string, u_errorName(*status)); |
| #endif |
| return 0; |
| } |
| result = (result << 4) | (UChar)value; |
| noDigits++; |
| (*string)++; |
| } |
| // if the string was terminated before we read 4 digits, set an error |
| if(noDigits < 4) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| #ifdef UCOL_TRACE_SIT |
| fprintf(stderr, "%s:%d: Short (only %d digits, wanted 4) at '%s': %s\n", __FILE__, __LINE__, noDigits,*string, u_errorName(*status)); |
| #endif |
| } |
| return result; |
| } |
| |
| U_CDECL_BEGIN |
| static const char* U_CALLCONV |
| _processVariableTop(CollatorSpec *spec, uint32_t value1, const char* string, UErrorCode *status) |
| { |
| // get four digits |
| int32_t i = 0; |
| if(!value1) { |
| while(U_SUCCESS(*status) && i < locElementCapacity && *string != 0 && *string != '_') { |
| spec->variableTopString[i++] = readHexCodeUnit(&string, status); |
| } |
| spec->variableTopStringLen = i; |
| if(i == locElementCapacity && *string != 0 && *string != '_') { |
| *status = U_BUFFER_OVERFLOW_ERROR; |
| } |
| } else { |
| spec->variableTopValue = readHexCodeUnit(&string, status); |
| } |
| if(U_SUCCESS(*status)) { |
| spec->variableTopSet = TRUE; |
| } |
| return string; |
| } |
| U_CDECL_END |
| |
| |
| /* Table for parsing short strings */ |
| struct ShortStringOptions { |
| char optionStart; |
| ActionFunction *action; |
| uint32_t attr; |
| }; |
| |
| static const ShortStringOptions options[UCOL_SIT_ITEMS_COUNT] = |
| { |
| /* 10 ALTERNATE_HANDLING */ {alternateHArg, _processCollatorOption, UCOL_ALTERNATE_HANDLING }, // alternate N, S, D |
| /* 15 VARIABLE_TOP_VALUE */ {variableTopValArg, _processVariableTop, 1 }, |
| /* 08 CASE_FIRST */ {caseFirstArg, _processCollatorOption, UCOL_CASE_FIRST }, // case first L, U, X, D |
| /* 09 NUMERIC_COLLATION */ {numericCollArg, _processCollatorOption, UCOL_NUMERIC_COLLATION }, // codan O, X, D |
| /* 07 CASE_LEVEL */ {caseLevelArg, _processCollatorOption, UCOL_CASE_LEVEL }, // case level O, X, D |
| /* 12 FRENCH_COLLATION */ {frenchCollArg, _processCollatorOption, UCOL_FRENCH_COLLATION }, // french O, X, D |
| /* 13 HIRAGANA_QUATERNARY] */ {hiraganaQArg, _processCollatorOption, UCOL_HIRAGANA_QUATERNARY_MODE }, // hiragana O, X, D |
| /* 04 KEYWORD */ {keywordArg, _processLocaleElement, UCOL_SIT_KEYWORD }, // keyword |
| /* 00 LANGUAGE */ {languageArg, _processLocaleElement, UCOL_SIT_LANGUAGE }, // language |
| /* 11 NORMALIZATION_MODE */ {normArg, _processCollatorOption, UCOL_NORMALIZATION_MODE }, // norm O, X, D |
| /* 02 REGION */ {regionArg, _processLocaleElement, UCOL_SIT_REGION }, // region |
| /* 06 STRENGTH */ {strengthArg, _processCollatorOption, UCOL_STRENGTH }, // strength 1, 2, 3, 4, I, D |
| /* 14 VARIABLE_TOP */ {variableTopArg, _processVariableTop, 0 }, |
| /* 03 VARIANT */ {variantArg, _processLocaleElement, UCOL_SIT_VARIANT }, // variant |
| /* 05 RFC3066BIS */ {RFC3066Arg, _processRFC3066Locale, 0 }, // rfc3066bis locale name |
| /* 01 SCRIPT */ {scriptArg, _processLocaleElement, UCOL_SIT_SCRIPT }, // script |
| /* PROVIDER */ {providerArg, _processLocaleElement, UCOL_SIT_PROVIDER } |
| }; |
| |
| |
| static |
| const char* ucol_sit_readOption(const char *start, CollatorSpec *spec, |
| UErrorCode *status) |
| { |
| int32_t i = 0; |
| |
| for(i = 0; i < UCOL_SIT_ITEMS_COUNT; i++) { |
| if(*start == options[i].optionStart) { |
| spec->entries[i].start = start; |
| const char* end = options[i].action(spec, options[i].attr, start+1, status); |
| spec->entries[i].len = (int32_t)(end - start); |
| return end; |
| } |
| } |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| #ifdef UCOL_TRACE_SIT |
| fprintf(stderr, "%s:%d: Unknown option at '%s': %s\n", __FILE__, __LINE__, start, u_errorName(*status)); |
| #endif |
| return start; |
| } |
| |
| static |
| void ucol_sit_initCollatorSpecs(CollatorSpec *spec) |
| { |
| // reset everything |
| uprv_memset(spec, 0, sizeof(CollatorSpec)); |
| // set collation options to default |
| int32_t i = 0; |
| for(i = 0; i < UCOL_ATTRIBUTE_COUNT; i++) { |
| spec->options[i] = UCOL_DEFAULT; |
| } |
| } |
| |
| static const char* |
| ucol_sit_readSpecs(CollatorSpec *s, const char *string, |
| UParseError *parseError, UErrorCode *status) |
| { |
| const char *definition = string; |
| while(U_SUCCESS(*status) && *string) { |
| string = ucol_sit_readOption(string, s, status); |
| // advance over '_' |
| while(*string && *string == '_') { |
| string++; |
| } |
| } |
| if(U_FAILURE(*status)) { |
| parseError->offset = (int32_t)(string - definition); |
| } |
| return string; |
| } |
| |
| static |
| int32_t ucol_sit_dumpSpecs(CollatorSpec *s, char *destination, int32_t capacity, UErrorCode *status) |
| { |
| int32_t i = 0, j = 0; |
| int32_t len = 0; |
| char optName; |
| if(U_SUCCESS(*status)) { |
| for(i = 0; i < UCOL_SIT_ITEMS_COUNT; i++) { |
| if(s->entries[i].start) { |
| if(len) { |
| if(len < capacity) { |
| uprv_strcat(destination, "_"); |
| } |
| len++; |
| } |
| optName = *(s->entries[i].start); |
| if(optName == languageArg || optName == regionArg || optName == variantArg || optName == keywordArg) { |
| for(j = 0; j < s->entries[i].len; j++) { |
| if(len + j < capacity) { |
| destination[len+j] = uprv_toupper(*(s->entries[i].start+j)); |
| } |
| } |
| len += s->entries[i].len; |
| } else { |
| len += s->entries[i].len; |
| if(len < capacity) { |
| uprv_strncat(destination,s->entries[i].start, s->entries[i].len); |
| } |
| } |
| } |
| } |
| return len; |
| } else { |
| return 0; |
| } |
| } |
| |
| static void |
| ucol_sit_calculateWholeLocale(CollatorSpec *s) { |
| // put the locale together, unless we have a done |
| // locale |
| if(s->locale[0] == 0) { |
| // first the language |
| uprv_strcat(s->locale, s->locElements[UCOL_SIT_LANGUAGE]); |
| // then the script, if present |
| if(*(s->locElements[UCOL_SIT_SCRIPT])) { |
| uprv_strcat(s->locale, "_"); |
| uprv_strcat(s->locale, s->locElements[UCOL_SIT_SCRIPT]); |
| } |
| // then the region, if present |
| if(*(s->locElements[UCOL_SIT_REGION])) { |
| uprv_strcat(s->locale, "_"); |
| uprv_strcat(s->locale, s->locElements[UCOL_SIT_REGION]); |
| } else if(*(s->locElements[UCOL_SIT_VARIANT])) { // if there is a variant, we need an underscore |
| uprv_strcat(s->locale, "_"); |
| } |
| // add variant, if there |
| if(*(s->locElements[UCOL_SIT_VARIANT])) { |
| uprv_strcat(s->locale, "_"); |
| uprv_strcat(s->locale, s->locElements[UCOL_SIT_VARIANT]); |
| } |
| |
| // if there is a collation keyword, add that too |
| if(*(s->locElements[UCOL_SIT_KEYWORD])) { |
| uprv_strcat(s->locale, collationKeyword); |
| uprv_strcat(s->locale, s->locElements[UCOL_SIT_KEYWORD]); |
| } |
| |
| // if there is a provider keyword, add that too |
| if(*(s->locElements[UCOL_SIT_PROVIDER])) { |
| uprv_strcat(s->locale, providerKeyword); |
| uprv_strcat(s->locale, s->locElements[UCOL_SIT_PROVIDER]); |
| } |
| } |
| } |
| |
| |
| U_CAPI void U_EXPORT2 |
| ucol_prepareShortStringOpen( const char *definition, |
| UBool, |
| UParseError *parseError, |
| UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) return; |
| |
| UParseError internalParseError; |
| |
| if(!parseError) { |
| parseError = &internalParseError; |
| } |
| parseError->line = 0; |
| parseError->offset = 0; |
| parseError->preContext[0] = 0; |
| parseError->postContext[0] = 0; |
| |
| |
| // first we want to pick stuff out of short string. |
| // we'll end up with an UCA version, locale and a bunch of |
| // settings |
| |
| // analyse the string in order to get everything we need. |
| CollatorSpec s; |
| ucol_sit_initCollatorSpecs(&s); |
| ucol_sit_readSpecs(&s, definition, parseError, status); |
| ucol_sit_calculateWholeLocale(&s); |
| |
| char buffer[internalBufferSize]; |
| uprv_memset(buffer, 0, internalBufferSize); |
| uloc_canonicalize(s.locale, buffer, internalBufferSize, status); |
| |
| UResourceBundle *b = ures_open(U_ICUDATA_COLL, buffer, 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(buffer, "collation", keyBuffer, 256, status)) { |
| // no keyword. we try to find the default setting, which will give us the keyword value |
| UResourceBundle *defaultColl = ures_getByKeyWithFallback(collations, "default", NULL, status); |
| if(U_SUCCESS(*status)) { |
| int32_t defaultKeyLen = 0; |
| const UChar *defaultKey = ures_getString(defaultColl, &defaultKeyLen, status); |
| u_UCharsToChars(defaultKey, keyBuffer, defaultKeyLen); |
| keyBuffer[defaultKeyLen] = 0; |
| } else { |
| *status = U_INTERNAL_PROGRAM_ERROR; |
| return; |
| } |
| ures_close(defaultColl); |
| } |
| collElem = ures_getByKeyWithFallback(collations, keyBuffer, collElem, status); |
| ures_close(collElem); |
| ures_close(collations); |
| ures_close(b); |
| } |
| |
| |
| U_CAPI UCollator* U_EXPORT2 |
| ucol_openFromShortString( const char *definition, |
| UBool forceDefaults, |
| UParseError *parseError, |
| UErrorCode *status) |
| { |
| UTRACE_ENTRY_OC(UTRACE_UCOL_OPEN_FROM_SHORT_STRING); |
| UTRACE_DATA1(UTRACE_INFO, "short string = \"%s\"", definition); |
| |
| if(U_FAILURE(*status)) return 0; |
| |
| UParseError internalParseError; |
| |
| if(!parseError) { |
| parseError = &internalParseError; |
| } |
| parseError->line = 0; |
| parseError->offset = 0; |
| parseError->preContext[0] = 0; |
| parseError->postContext[0] = 0; |
| |
| |
| // first we want to pick stuff out of short string. |
| // we'll end up with an UCA version, locale and a bunch of |
| // settings |
| |
| // analyse the string in order to get everything we need. |
| const char *string = definition; |
| CollatorSpec s; |
| ucol_sit_initCollatorSpecs(&s); |
| string = ucol_sit_readSpecs(&s, definition, parseError, status); |
| ucol_sit_calculateWholeLocale(&s); |
| |
| char buffer[internalBufferSize]; |
| uprv_memset(buffer, 0, internalBufferSize); |
| uloc_canonicalize(s.locale, buffer, internalBufferSize, status); |
| |
| UCollator *result = ucol_open(buffer, status); |
| int32_t i = 0; |
| |
| for(i = 0; i < UCOL_ATTRIBUTE_COUNT; i++) { |
| if(s.options[i] != UCOL_DEFAULT) { |
| if(forceDefaults || ucol_getAttribute(result, (UColAttribute)i, status) != s.options[i]) { |
| ucol_setAttribute(result, (UColAttribute)i, s.options[i], status); |
| } |
| |
| if(U_FAILURE(*status)) { |
| parseError->offset = (int32_t)(string - definition); |
| ucol_close(result); |
| return NULL; |
| } |
| |
| } |
| } |
| if(s.variableTopSet) { |
| if(s.variableTopString[0]) { |
| ucol_setVariableTop(result, s.variableTopString, s.variableTopStringLen, status); |
| } else { // we set by value, using 'B' |
| ucol_restoreVariableTop(result, s.variableTopValue, status); |
| } |
| } |
| |
| |
| if(U_FAILURE(*status)) { // here it can only be a bogus value |
| ucol_close(result); |
| result = NULL; |
| } |
| |
| UTRACE_EXIT_PTR_STATUS(result, *status); |
| return result; |
| } |
| |
| |
| U_CAPI int32_t U_EXPORT2 |
| ucol_getShortDefinitionString(const UCollator *coll, |
| const char *locale, |
| char *dst, |
| int32_t capacity, |
| UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) return 0; |
| if(coll == NULL) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0; |
| } |
| return ((icu::Collator*)coll)->internalGetShortDefinitionString(locale,dst,capacity,*status); |
| } |
| |
| U_CAPI int32_t U_EXPORT2 |
| ucol_normalizeShortDefinitionString(const char *definition, |
| char *destination, |
| int32_t capacity, |
| UParseError *parseError, |
| UErrorCode *status) |
| { |
| |
| if(U_FAILURE(*status)) { |
| return 0; |
| } |
| |
| if(destination) { |
| uprv_memset(destination, 0, capacity*sizeof(char)); |
| } |
| |
| UParseError pe; |
| if(!parseError) { |
| parseError = &pe; |
| } |
| |
| // validate |
| CollatorSpec s; |
| ucol_sit_initCollatorSpecs(&s); |
| ucol_sit_readSpecs(&s, definition, parseError, status); |
| return ucol_sit_dumpSpecs(&s, destination, capacity, status); |
| } |
| |
| /** |
| * Get a set containing the contractions defined by the collator. The set includes |
| * both the UCA contractions and the contractions defined by the collator |
| * @param coll collator |
| * @param conts the set to hold the result |
| * @param status to hold the error code |
| * @return the size of the contraction set |
| */ |
| U_CAPI int32_t U_EXPORT2 |
| ucol_getContractions( const UCollator *coll, |
| USet *contractions, |
| UErrorCode *status) |
| { |
| ucol_getContractionsAndExpansions(coll, contractions, NULL, FALSE, status); |
| return uset_getItemCount(contractions); |
| } |
| |
| /** |
| * Get a set containing the expansions defined by the collator. The set includes |
| * both the UCA expansions and the expansions defined by the tailoring |
| * @param coll collator |
| * @param conts the set to hold the result |
| * @param addPrefixes add the prefix contextual elements to contractions |
| * @param status to hold the error code |
| * |
| * @draft ICU 3.4 |
| */ |
| U_CAPI void U_EXPORT2 |
| ucol_getContractionsAndExpansions( const UCollator *coll, |
| USet *contractions, |
| USet *expansions, |
| UBool addPrefixes, |
| UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) { |
| return; |
| } |
| if(coll == NULL) { |
| *status = U_ILLEGAL_ARGUMENT_ERROR; |
| return; |
| } |
| const icu::RuleBasedCollator *rbc = icu::RuleBasedCollator::rbcFromUCollator(coll); |
| if(rbc == NULL) { |
| *status = U_UNSUPPORTED_ERROR; |
| return; |
| } |
| rbc->internalGetContractionsAndExpansions( |
| icu::UnicodeSet::fromUSet(contractions), |
| icu::UnicodeSet::fromUSet(expansions), |
| addPrefixes, *status); |
| } |
| #endif |
