| /* |
| ******************************************************************************* |
| * Copyright (C) 1996-1999, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| ******************************************************************************* |
| */ |
| |
| #include "unicode/ucol.h" |
| |
| #include "unicode/uloc.h" |
| #include "unicode/coll.h" |
| #include "unicode/tblcoll.h" |
| #include "unicode/coleitr.h" |
| #include "unicode/ustring.h" |
| #include "unicode/normlzr.h" |
| #include "cpputils.h" |
| |
| U_CAPI int32_t |
| u_normalize(const UChar* source, |
| int32_t sourceLength, |
| UNormalizationMode mode, |
| int32_t option, |
| UChar* result, |
| int32_t resultLength, |
| UErrorCode* status) |
| { |
| if(U_FAILURE(*status)) return -1; |
| |
| Normalizer::EMode normMode; |
| switch(mode) { |
| case UCOL_NO_NORMALIZATION: |
| normMode = Normalizer::NO_OP; |
| break; |
| case UCOL_DECOMP_CAN: |
| normMode = Normalizer::DECOMP; |
| break; |
| case UCOL_DECOMP_COMPAT: |
| normMode = Normalizer::DECOMP_COMPAT; |
| break; |
| case UCOL_DECOMP_CAN_COMP_COMPAT: |
| normMode = Normalizer::COMPOSE; |
| break; |
| case UCOL_DECOMP_COMPAT_COMP_CAN: |
| normMode = Normalizer::COMPOSE_COMPAT; |
| break; |
| } |
| |
| int32_t len = (sourceLength == -1 ? u_strlen(source) : sourceLength); |
| const UnicodeString src((UChar*)source, len, len); |
| UnicodeString dst(result, 0, resultLength); |
| Normalizer::normalize(src, normMode, option, dst, *status); |
| int32_t actualLen; |
| T_fillOutputParams(&dst, result, resultLength, &actualLen, status); |
| return actualLen; |
| } |
| |
| U_CAPI UCollator* |
| ucol_open( const char *loc, |
| UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) return 0; |
| |
| Collator *col = 0; |
| |
| if(loc == 0) |
| col = Collator::createInstance(*status); |
| else |
| col = Collator::createInstance(Locale(loc), *status); |
| |
| if(col == 0) { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| return 0; |
| } |
| |
| return (UCollator*)col; |
| } |
| |
| U_CAPI UCollator* |
| ucol_openRules( const UChar *rules, |
| int32_t rulesLength, |
| UNormalizationMode mode, |
| UCollationStrength strength, |
| UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) return 0; |
| |
| int32_t len = (rulesLength == -1 ? u_strlen(rules) : rulesLength); |
| const UnicodeString ruleString((UChar*)rules, len, len); |
| |
| Normalizer::EMode normMode; |
| switch(mode) { |
| case UCOL_NO_NORMALIZATION: |
| normMode = Normalizer::NO_OP; |
| break; |
| case UCOL_DECOMP_CAN: |
| normMode = Normalizer::DECOMP; |
| break; |
| case UCOL_DECOMP_COMPAT: |
| normMode = Normalizer::DECOMP_COMPAT; |
| break; |
| case UCOL_DECOMP_CAN_COMP_COMPAT: |
| normMode = Normalizer::COMPOSE; |
| break; |
| case UCOL_DECOMP_COMPAT_COMP_CAN: |
| normMode = Normalizer::COMPOSE_COMPAT; |
| break; |
| } |
| |
| RuleBasedCollator *col = 0; |
| col = new RuleBasedCollator(ruleString, |
| (Collator::ECollationStrength) strength, |
| normMode, |
| *status); |
| |
| if(col == 0) { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| return 0; |
| } |
| |
| return (UCollator*) col; |
| } |
| |
| U_CAPI void |
| ucol_close(UCollator *coll) |
| { |
| delete (Collator*)coll; |
| } |
| |
| U_CAPI UCollationResult |
| ucol_strcoll( const UCollator *coll, |
| const UChar *source, |
| int32_t sourceLength, |
| const UChar *target, |
| int32_t targetLength) |
| { |
| return (UCollationResult) ((Collator*)coll)->compare(source,sourceLength,target,targetLength); |
| } |
| |
| U_CAPI UBool |
| ucol_greater( const UCollator *coll, |
| const UChar *source, |
| int32_t sourceLength, |
| const UChar *target, |
| int32_t targetLength) |
| { |
| return (ucol_strcoll(coll, source, sourceLength, target, targetLength) |
| == UCOL_GREATER); |
| } |
| |
| U_CAPI UBool |
| ucol_greaterOrEqual( const UCollator *coll, |
| const UChar *source, |
| int32_t sourceLength, |
| const UChar *target, |
| int32_t targetLength) |
| { |
| return (ucol_strcoll(coll, source, sourceLength, target, targetLength) |
| != UCOL_LESS); |
| } |
| |
| U_CAPI UBool |
| ucol_equal( const UCollator *coll, |
| const UChar *source, |
| int32_t sourceLength, |
| const UChar *target, |
| int32_t targetLength) |
| { |
| return (ucol_strcoll(coll, source, sourceLength, target, targetLength) |
| == UCOL_EQUAL); |
| } |
| |
| U_CAPI UCollationStrength |
| ucol_getStrength(const UCollator *coll) |
| { |
| return (UCollationStrength) ((Collator*)coll)->getStrength(); |
| } |
| |
| U_CAPI void |
| ucol_setStrength( UCollator *coll, |
| UCollationStrength strength) |
| { |
| ((Collator*)coll)->setStrength((Collator::ECollationStrength)strength); |
| } |
| |
| U_CAPI UNormalizationMode |
| ucol_getNormalization(const UCollator* coll) |
| { |
| switch(((Collator*)coll)->getDecomposition()) { |
| case Normalizer::NO_OP: |
| return UCOL_NO_NORMALIZATION; |
| |
| case Normalizer::COMPOSE: |
| return UCOL_DECOMP_COMPAT_COMP_CAN; |
| |
| case Normalizer::COMPOSE_COMPAT: |
| return UCOL_DECOMP_CAN_COMP_COMPAT; |
| |
| case Normalizer::DECOMP: |
| return UCOL_DECOMP_COMPAT; |
| |
| case Normalizer::DECOMP_COMPAT: |
| return UCOL_DECOMP_COMPAT; |
| |
| default: |
| break; |
| } |
| return UCOL_NO_NORMALIZATION; |
| } |
| |
| U_CAPI void |
| ucol_setNormalization( UCollator *coll, |
| UNormalizationMode mode) |
| { |
| Normalizer::EMode normMode; |
| switch(mode) { |
| case UCOL_NO_NORMALIZATION: |
| normMode = Normalizer::NO_OP; |
| break; |
| case UCOL_DECOMP_CAN: |
| normMode = Normalizer::DECOMP; |
| break; |
| case UCOL_DECOMP_COMPAT: |
| normMode = Normalizer::DECOMP_COMPAT; |
| break; |
| case UCOL_DECOMP_COMPAT_COMP_CAN: |
| normMode = Normalizer::COMPOSE; |
| break; |
| case UCOL_DECOMP_CAN_COMP_COMPAT: |
| normMode = Normalizer::COMPOSE_COMPAT; |
| break; |
| } |
| |
| ((Collator*)coll)->setDecomposition(normMode); |
| } |
| |
| U_CAPI int32_t |
| ucol_getDisplayName( const char *objLoc, |
| const char *dispLoc, |
| UChar *result, |
| int32_t resultLength, |
| UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) return -1; |
| |
| UnicodeString dst(result, resultLength, resultLength); |
| Collator::getDisplayName(Locale(objLoc), Locale(dispLoc), dst); |
| int32_t actLen; |
| T_fillOutputParams(&dst, result, resultLength, &actLen, status); |
| return actLen; |
| } |
| |
| U_CAPI const char* |
| ucol_getAvailable(int32_t index) |
| { |
| return uloc_getAvailable(index); |
| } |
| |
| U_CAPI int32_t |
| ucol_countAvailable() |
| { |
| return uloc_countAvailable(); |
| } |
| |
| U_CAPI const UChar* |
| ucol_getRules( const UCollator *coll, |
| int32_t *length) |
| { |
| const UnicodeString& rules = ((RuleBasedCollator*)coll)->getRules(); |
| *length = rules.length(); |
| return rules.getUChars(); |
| } |
| |
| U_CAPI int32_t |
| ucol_getSortKey(const UCollator *coll, |
| const UChar *source, |
| int32_t sourceLength, |
| uint8_t *result, |
| int32_t resultLength) |
| { |
| int32_t count; |
| const uint8_t* bytes = NULL; |
| CollationKey key; |
| int32_t copyLen; |
| int32_t len = (sourceLength == -1 ? u_strlen(source) |
| : sourceLength); |
| // UnicodeString string((UChar*)source, len, len); |
| UErrorCode status = U_ZERO_ERROR; |
| |
| ((Collator*)coll)->getCollationKey(source, len, key, status); |
| if(U_FAILURE(status)) |
| return 0; |
| |
| bytes = key.getByteArray(count); |
| |
| copyLen = uprv_min(count, resultLength); |
| uprv_arrayCopy((const int8_t*)bytes, (int8_t*)result, copyLen); |
| |
| // if(count > resultLength) { |
| // *status = U_BUFFER_OVERFLOW_ERROR; |
| // } |
| |
| return count; |
| } |
| |
| U_CAPI int32_t |
| ucol_keyHashCode( const uint8_t* key, |
| int32_t length) |
| { |
| CollationKey newKey(key, length); |
| return newKey.hashCode(); |
| } |
| |
| UCollationElements* |
| ucol_openElements( const UCollator *coll, |
| const UChar *text, |
| int32_t textLength, |
| UErrorCode *status) |
| { |
| int32_t len = (textLength == -1 ? u_strlen(text) : textLength); |
| const UnicodeString src((UChar*)text, len, len); |
| |
| CollationElementIterator *iter = 0; |
| iter = ((RuleBasedCollator*)coll)->createCollationElementIterator(src); |
| if(iter == 0) { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| return 0; |
| } |
| |
| return (UCollationElements*) iter; |
| } |
| |
| U_CAPI void |
| ucol_closeElements(UCollationElements *elems) |
| { |
| delete (CollationElementIterator*)elems; |
| } |
| |
| U_CAPI void |
| ucol_reset(UCollationElements *elems) |
| { |
| ((CollationElementIterator*)elems)->reset(); |
| } |
| |
| U_CAPI int32_t |
| ucol_next( UCollationElements *elems, |
| UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) return UCOL_NULLORDER; |
| |
| return ((CollationElementIterator*)elems)->next(*status); |
| } |
| |
| U_CAPI int32_t |
| ucol_previous( UCollationElements *elems, |
| UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) return UCOL_NULLORDER; |
| |
| return ((CollationElementIterator*)elems)->previous(*status); |
| } |
| |
| U_CAPI int32_t |
| ucol_getMaxExpansion( const UCollationElements *elems, |
| int32_t order) |
| { |
| return ((CollationElementIterator*)elems)->getMaxExpansion(order); |
| } |
| |
| U_CAPI void |
| ucol_setText(UCollationElements *elems, |
| const UChar *text, |
| int32_t textLength, |
| UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) return; |
| |
| int32_t len = (textLength == -1 ? u_strlen(text) : textLength); |
| const UnicodeString src((UChar*)text, len, len); |
| |
| ((CollationElementIterator*)elems)->setText(src, *status); |
| } |
| |
| U_CAPI UTextOffset |
| ucol_getOffset(const UCollationElements *elems) |
| { |
| return ((CollationElementIterator*)elems)->getOffset(); |
| } |
| |
| U_CAPI void |
| ucol_setOffset( UCollationElements *elems, |
| UTextOffset offset, |
| UErrorCode *status) |
| { |
| if(U_FAILURE(*status)) return; |
| |
| ((CollationElementIterator*)elems)->setOffset(offset, *status); |
| } |
| |
| U_CAPI void |
| ucol_getVersion(const UCollator* coll, |
| UVersionInfo versionInfo) |
| { |
| ((Collator*)coll)->getVersion(versionInfo); |
| } |
| |
| U_CAPI uint8_t * |
| ucol_cloneRuleData(UCollator *coll, int32_t *length, UErrorCode *status) |
| { |
| return ((RuleBasedCollator*)coll)->cloneRuleData(*length,*status); |
| } |
