183 lines
4.0 KiB
C++
183 lines
4.0 KiB
C++
/*
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*****************************************************************************************
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* Copyright (C) 1996-2001, 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/ubrk.h"
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#include "unicode/brkiter.h"
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#include "unicode/uloc.h"
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#include "unicode/ustring.h"
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#include "unicode/uchriter.h"
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U_CAPI UBreakIterator*
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ubrk_open(UBreakIteratorType type,
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const char *locale,
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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 0;
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BreakIterator *result = 0;
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switch(type) {
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case UBRK_CHARACTER:
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result = BreakIterator::createCharacterInstance(Locale(locale), *status);
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break;
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case UBRK_WORD:
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result = BreakIterator::createWordInstance(Locale(locale), *status);
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break;
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case UBRK_LINE:
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result = BreakIterator::createLineInstance(Locale(locale), *status);
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break;
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case UBRK_SENTENCE:
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result = BreakIterator::createSentenceInstance(Locale(locale), *status);
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break;
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}
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// check for allocation error
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if(result == 0) {
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*status = U_MEMORY_ALLOCATION_ERROR;
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return 0;
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}
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int32_t textLen = (textLength == -1 ? u_strlen(text) : textLength);
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UCharCharacterIterator *iter = 0;
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iter = new UCharCharacterIterator(text, textLen);
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if(iter == 0) {
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*status = U_MEMORY_ALLOCATION_ERROR;
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delete result;
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return 0;
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}
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result->adoptText(iter);
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return (UBreakIterator*)result;
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}
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U_CAPI UBreakIterator*
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ubrk_openRules(const UChar *rules,
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int32_t rulesLength,
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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 0;
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*status = U_UNSUPPORTED_ERROR;
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return 0;
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}
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U_CAPI UBreakIterator *
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ubrk_safeClone(
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const UBreakIterator *bi,
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void *stackBuffer,
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int32_t *pBufferSize,
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UErrorCode *status)
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{
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if (status == NULL || U_FAILURE(*status)){
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return 0;
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}
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if (!pBufferSize || !bi){
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*status = U_ILLEGAL_ARGUMENT_ERROR;
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return 0;
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}
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return (UBreakIterator *)(((BreakIterator*)bi)->
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createBufferClone(stackBuffer, *pBufferSize, *status));
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}
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U_CAPI void
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ubrk_close(UBreakIterator *bi)
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{
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if (!((BreakIterator*) bi)->isBufferClone())
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{
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delete (BreakIterator*) bi;
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}
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}
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U_CAPI void
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ubrk_setText(UBreakIterator* bi,
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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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const CharacterIterator& biText = ((BreakIterator*)bi)->getText();
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int32_t textLen = (textLength == -1 ? u_strlen(text) : textLength);
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if (biText.getDynamicClassID() == UCharCharacterIterator::getStaticClassID()) {
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((UCharCharacterIterator&)biText).setText(text, textLen);
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}
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else {
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UCharCharacterIterator *iter = 0;
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iter = new UCharCharacterIterator(text, textLen);
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if(iter == 0) {
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*status = U_MEMORY_ALLOCATION_ERROR;
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return;
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}
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((BreakIterator*)bi)->adoptText(iter);
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}
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}
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U_CAPI UTextOffset
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ubrk_current(const UBreakIterator *bi)
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{
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return ((BreakIterator*)bi)->current();
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}
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U_CAPI UTextOffset
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ubrk_next(UBreakIterator *bi)
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{
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return ((BreakIterator*)bi)->next();
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}
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U_CAPI UTextOffset
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ubrk_previous(UBreakIterator *bi)
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{
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return ((BreakIterator*)bi)->previous();
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}
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U_CAPI UTextOffset
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ubrk_first(UBreakIterator *bi)
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{
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return ((BreakIterator*)bi)->first();
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}
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U_CAPI UTextOffset
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ubrk_last(UBreakIterator *bi)
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{
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return ((BreakIterator*)bi)->last();
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}
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U_CAPI UTextOffset
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ubrk_preceding(UBreakIterator *bi,
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UTextOffset offset)
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{
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return ((BreakIterator*)bi)->preceding(offset);
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}
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U_CAPI UTextOffset
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ubrk_following(UBreakIterator *bi,
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UTextOffset offset)
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{
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return ((BreakIterator*)bi)->following(offset);
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}
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U_CAPI const char*
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ubrk_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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ubrk_countAvailable()
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{
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return uloc_countAvailable();
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}
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