156 lines
3.1 KiB
C++
156 lines
3.1 KiB
C++
/*
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* Copyright (C) 2008-2011, International Business Machines Corporation and Others.
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* All rights reserved.
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*/
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#include "unicode/utypes.h"
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#include "cmemory.h"
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#include "unicode/bms.h"
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#include "unicode/unistr.h"
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#include "unicode/colldata.h"
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#include "unicode/bmsearch.h"
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#if !UCONFIG_NO_COLLATION && !UCONFIG_NO_BREAK_ITERATION
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//#define USE_SAFE_CASTS
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#ifdef USE_SAFE_CASTS
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#define STATIC_CAST(type,value) static_cast<type>(value)
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#define CONST_CAST(type,value) const_cast<type>(value)
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#else
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#define STATIC_CAST(type,value) (type) (value)
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#define CONST_CAST(type,value) (type) (value)
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#endif
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U_NAMESPACE_USE
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U_CAPI UCD * U_EXPORT2
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ucd_open(UCollator *coll, UErrorCode *status)
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{
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return STATIC_CAST(UCD *, CollData::open(coll, *status));
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}
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U_CAPI void U_EXPORT2
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ucd_close(UCD *ucd)
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{
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if (ucd != NULL) {
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CollData *data = STATIC_CAST(CollData *, ucd);
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CollData::close(data);
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}
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}
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U_CAPI UCollator * U_EXPORT2
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ucd_getCollator(UCD *ucd)
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{
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CollData *data = STATIC_CAST(CollData *, ucd);
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return data->getCollator();
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}
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U_CAPI void U_EXPORT2
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ucd_freeCache()
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{
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CollData::freeCollDataCache();
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}
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U_CAPI void U_EXPORT2
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ucd_flushCache()
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{
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CollData::flushCollDataCache();
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}
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struct BMS
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{
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BoyerMooreSearch *bms;
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const UnicodeString *targetString;
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};
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U_CAPI BMS * U_EXPORT2
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bms_open(UCD *ucd,
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const UChar *pattern, int32_t patternLength,
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const UChar *target, int32_t targetLength,
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UErrorCode *status)
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{
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BMS *bms = STATIC_CAST(BMS *, uprv_malloc(sizeof(BMS)));
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if (bms == NULL) {
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*status = U_MEMORY_ALLOCATION_ERROR;
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return NULL;
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}
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CollData *data = (CollData *) ucd;
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UnicodeString patternString(pattern, patternLength);
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if (target != NULL) {
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bms->targetString = new UnicodeString(target, targetLength);
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if (bms->targetString == NULL) {
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bms->bms = NULL;
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*status = U_MEMORY_ALLOCATION_ERROR;
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return bms;
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}
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} else {
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bms->targetString = NULL;
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}
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bms->bms = new BoyerMooreSearch(data, patternString, bms->targetString, *status);
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if (bms->bms == NULL) {
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*status = U_MEMORY_ALLOCATION_ERROR;
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}
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return bms;
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}
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U_CAPI void U_EXPORT2
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bms_close(BMS *bms)
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{
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delete bms->bms;
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delete bms->targetString;
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uprv_free(bms);
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}
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U_CAPI UBool U_EXPORT2
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bms_empty(BMS *bms)
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{
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return bms->bms->empty();
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}
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U_CAPI UCD * U_EXPORT2
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bms_getData(BMS *bms)
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{
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return STATIC_CAST(UCD *, bms->bms->getData());
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}
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U_CAPI UBool U_EXPORT2
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bms_search(BMS *bms, int32_t offset, int32_t *start, int32_t *end)
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{
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return bms->bms->search(offset, *start, *end);
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}
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U_CAPI void U_EXPORT2
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bms_setTargetString(BMS *bms, const UChar *target, int32_t targetLength, UErrorCode *status)
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{
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if (U_FAILURE(*status)) {
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return;
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}
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if (bms->targetString != NULL) {
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delete bms->targetString;
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}
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if (target != NULL) {
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bms->targetString = new UnicodeString(target, targetLength);
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} else {
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bms->targetString = NULL;
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}
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bms->bms->setTargetString(bms->targetString, *status);
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}
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#endif
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