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