blob: 904cd998e117c1b56206148e838fbe1895318e24 [file] [log] [blame]
/*
*****************************************************************************************
* Copyright (C) 1996-2001, International Business Machines
* Corporation and others. All Rights Reserved.
*****************************************************************************************
*/
#include "unicode/ubrk.h"
#include "unicode/brkiter.h"
#include "unicode/uloc.h"
#include "unicode/ustring.h"
#include "unicode/uchriter.h"
U_NAMESPACE_USE
U_CAPI UBreakIterator* U_EXPORT2
ubrk_open(UBreakIteratorType type,
const char *locale,
const UChar *text,
int32_t textLength,
UErrorCode *status)
{
if(U_FAILURE(*status)) return 0;
BreakIterator *result = 0;
switch(type) {
case UBRK_CHARACTER:
result = BreakIterator::createCharacterInstance(Locale(locale), *status);
break;
case UBRK_WORD:
result = BreakIterator::createWordInstance(Locale(locale), *status);
break;
case UBRK_LINE:
result = BreakIterator::createLineInstance(Locale(locale), *status);
break;
case UBRK_SENTENCE:
result = BreakIterator::createSentenceInstance(Locale(locale), *status);
break;
}
// check for allocation error
if (U_FAILURE(*status)) {
return 0;
}
if(result == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
return 0;
}
int32_t textLen = (textLength == -1 ? u_strlen(text) : textLength);
UCharCharacterIterator *iter = 0;
iter = new UCharCharacterIterator(text, textLen);
if(iter == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
delete result;
return 0;
}
result->adoptText(iter);
return (UBreakIterator*)result;
}
U_CAPI UBreakIterator* U_EXPORT2
ubrk_openRules(const UChar *rules,
int32_t rulesLength,
const UChar *text,
int32_t textLength,
UErrorCode *status)
{
if(U_FAILURE(*status)) return 0;
*status = U_UNSUPPORTED_ERROR;
return 0;
}
U_CAPI UBreakIterator * U_EXPORT2
ubrk_safeClone(
const UBreakIterator *bi,
void *stackBuffer,
int32_t *pBufferSize,
UErrorCode *status)
{
if (status == NULL || U_FAILURE(*status)){
return 0;
}
if (!pBufferSize || !bi){
*status = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
return (UBreakIterator *)(((BreakIterator*)bi)->
createBufferClone(stackBuffer, *pBufferSize, *status));
}
U_CAPI void U_EXPORT2
ubrk_close(UBreakIterator *bi)
{
if (bi && !((BreakIterator*) bi)->isBufferClone())
{
delete (BreakIterator*) bi;
}
}
U_CAPI void U_EXPORT2
ubrk_setText(UBreakIterator* bi,
const UChar* text,
int32_t textLength,
UErrorCode* status)
{
if (U_FAILURE(*status)) return;
const CharacterIterator& biText = ((BreakIterator*)bi)->getText();
int32_t textLen = (textLength == -1 ? u_strlen(text) : textLength);
if (biText.getDynamicClassID() == UCharCharacterIterator::getStaticClassID()) {
((UCharCharacterIterator&)biText).setText(text, textLen);
}
else {
UCharCharacterIterator *iter = 0;
iter = new UCharCharacterIterator(text, textLen);
if(iter == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
return;
}
((BreakIterator*)bi)->adoptText(iter);
}
}
U_CAPI UTextOffset U_EXPORT2
ubrk_current(const UBreakIterator *bi)
{
return ((BreakIterator*)bi)->current();
}
U_CAPI UTextOffset U_EXPORT2
ubrk_next(UBreakIterator *bi)
{
return ((BreakIterator*)bi)->next();
}
U_CAPI UTextOffset U_EXPORT2
ubrk_previous(UBreakIterator *bi)
{
return ((BreakIterator*)bi)->previous();
}
U_CAPI UTextOffset U_EXPORT2
ubrk_first(UBreakIterator *bi)
{
return ((BreakIterator*)bi)->first();
}
U_CAPI UTextOffset U_EXPORT2
ubrk_last(UBreakIterator *bi)
{
return ((BreakIterator*)bi)->last();
}
U_CAPI UTextOffset U_EXPORT2
ubrk_preceding(UBreakIterator *bi,
UTextOffset offset)
{
return ((BreakIterator*)bi)->preceding(offset);
}
U_CAPI UTextOffset U_EXPORT2
ubrk_following(UBreakIterator *bi,
UTextOffset offset)
{
return ((BreakIterator*)bi)->following(offset);
}
U_CAPI const char* U_EXPORT2
ubrk_getAvailable(int32_t index)
{
return uloc_getAvailable(index);
}
U_CAPI int32_t U_EXPORT2
ubrk_countAvailable()
{
return uloc_countAvailable();
}