unsigned numCodeUnitsInGraphemeClusters(StringView string, unsigned numGraphemeClusters) { unsigned stringLength = string.length(); if (stringLength <= numGraphemeClusters) return stringLength; // The only Latin-1 Extended Grapheme Cluster is CRLF. if (string.is8Bit()) { auto* characters = string.characters8(); unsigned i, j; for (i = 0, j = 0; i < numGraphemeClusters && j + 1 < stringLength; ++i, ++j) j += characters[j] == '\r' && characters[j + 1] == '\n'; return j + (i < numGraphemeClusters); } NonSharedCharacterBreakIterator iterator { string }; if (!iterator) { ASSERT_NOT_REACHED(); return stringLength; } for (unsigned i = 0; i < numGraphemeClusters; ++i) { if (ubrk_next(iterator) == UBRK_DONE) return stringLength; } return ubrk_current(iterator); }
static jint nextImpl(JNIEnv* env, jclass, jint address, jint n) { UBreakIterator* bi = breakIterator(address); if (n < 0) { while (n++ < -1) { ubrk_previous(bi); } return ubrk_previous(bi); } else if (n == 0) { return ubrk_current(bi); } else { while (n-- > 1) { ubrk_next(bi); } return ubrk_next(bi); } return -1; }
/* ** Extract the next token from a tokenization cursor. */ static int icuNext( sqlite3_tokenizer_cursor *pCursor, /* Cursor returned by simpleOpen */ const char **ppToken, /* OUT: *ppToken is the token text */ int *pnBytes, /* OUT: Number of bytes in token */ int *piStartOffset, /* OUT: Starting offset of token */ int *piEndOffset, /* OUT: Ending offset of token */ int *piPosition /* OUT: Position integer of token */ ){ IcuCursor *pCsr = (IcuCursor *)pCursor; int iStart = 0; int iEnd = 0; int nByte = 0; while( iStart==iEnd ){ UChar32 c; iStart = ubrk_current(pCsr->pIter); iEnd = ubrk_next(pCsr->pIter); if( iEnd==UBRK_DONE ){ return SQLITE_DONE; } while( iStart<iEnd ){ int iWhite = iStart; U8_NEXT(pCsr->aChar, iWhite, pCsr->nChar, c); if( u_isspace(c) ){ iStart = iWhite; }else{ break; } } assert(iStart<=iEnd); } do { UErrorCode status = U_ZERO_ERROR; if( nByte ){ char *zNew = sqlite3_realloc(pCsr->zBuffer, nByte); if( !zNew ){ return SQLITE_NOMEM; } pCsr->zBuffer = zNew; pCsr->nBuffer = nByte; } u_strToUTF8( pCsr->zBuffer, pCsr->nBuffer, &nByte, /* Output vars */ &pCsr->aChar[iStart], iEnd-iStart, /* Input vars */ &status /* Output success/failure */ ); } while( nByte>pCsr->nBuffer ); *ppToken = pCsr->zBuffer; *pnBytes = nByte; *piStartOffset = pCsr->aOffset[iStart]; *piEndOffset = pCsr->aOffset[iEnd]; *piPosition = pCsr->iToken++; return SQLITE_OK; }
static jint currentImpl(JNIEnv*, jclass, jint address) { return ubrk_current(breakIterator(address)); }
/* {{{ grapheme_strpos_utf16 - strrpos using utf16*/ int grapheme_strpos_utf16(unsigned char *haystack, int32_t haystack_len, unsigned char*needle, int32_t needle_len, int32_t offset, int32_t *puchar_pos, int f_ignore_case TSRMLS_DC) { UChar *uhaystack, *puhaystack, *uneedle; int32_t uhaystack_len, uneedle_len; int ret_pos; unsigned char u_break_iterator_buffer[U_BRK_SAFECLONE_BUFFERSIZE]; UBreakIterator* bi; UErrorCode status; *puchar_pos = -1; /* convert the strings to UTF-16. */ uhaystack = NULL; uhaystack_len = 0; status = U_ZERO_ERROR; intl_convert_utf8_to_utf16(&uhaystack, &uhaystack_len, (char *) haystack, haystack_len, &status ); if ( U_FAILURE( status ) ) { /* Set global error code. */ intl_error_set_code( NULL, status TSRMLS_CC ); /* Set error messages. */ intl_error_set_custom_msg( NULL, "Error converting input string to UTF-16", 0 TSRMLS_CC ); efree( uhaystack ); return -1; } /* get a pointer to the haystack taking into account the offset */ bi = NULL; status = U_ZERO_ERROR; bi = grapheme_get_break_iterator(u_break_iterator_buffer, &status TSRMLS_CC ); puhaystack = grapheme_get_haystack_offset(bi, uhaystack, uhaystack_len, offset); uhaystack_len = (uhaystack_len - ( puhaystack - uhaystack)); if ( NULL == puhaystack ) { intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR, "grapheme_strpos: Offset not contained in string", 1 TSRMLS_CC ); efree( uhaystack ); ubrk_close (bi); return -1; } if ( f_ignore_case ) { grapheme_intl_case_fold(&uhaystack, &puhaystack, &uhaystack_len, &status ); } uneedle = NULL; uneedle_len = 0; status = U_ZERO_ERROR; intl_convert_utf8_to_utf16(&uneedle, &uneedle_len, (char *) needle, needle_len, &status ); if ( U_FAILURE( status ) ) { /* Set global error code. */ intl_error_set_code( NULL, status TSRMLS_CC ); /* Set error messages. */ intl_error_set_custom_msg( NULL, "Error converting input string to UTF-16", 0 TSRMLS_CC ); efree( uhaystack ); efree( uneedle ); ubrk_close (bi); return -1; } if ( f_ignore_case ) { grapheme_intl_case_fold(&uneedle, &uneedle, &uneedle_len, &status ); } ret_pos = grapheme_memnstr_grapheme(bi, puhaystack, uneedle, uneedle_len, puhaystack + uhaystack_len ); *puchar_pos = ubrk_current(bi); efree( uhaystack ); efree( uneedle ); ubrk_close (bi); return ret_pos; }
int textBreakCurrent(TextBreakIterator* iterator) { return ubrk_current(reinterpret_cast<UBreakIterator*>(iterator)); }
static void TestBreakIteratorCAPI() { UErrorCode status = U_ZERO_ERROR; UBreakIterator *word, *sentence, *line, *character, *b, *bogus; int32_t start,pos,end,to; int32_t i; int32_t count = 0; UChar text[50]; /* Note: the adjacent "" are concatenating strings, not adding a \" to the string, which is probably what whoever wrote this intended. Don't fix, because it would throw off the hard coded break positions in the following tests. */ u_uastrcpy(text, "He's from Africa. ""Mr. Livingston, I presume?"" Yeah"); /*test ubrk_open()*/ log_verbose("\nTesting BreakIterator open functions\n"); /* Use french for fun */ word = ubrk_open(UBRK_WORD, "en_US", text, u_strlen(text), &status); if(status == U_FILE_ACCESS_ERROR) { log_data_err("Check your data - it doesn't seem to be around\n"); return; } else if(U_FAILURE(status)){ log_err_status(status, "FAIL: Error in ubrk_open() for word breakiterator: %s\n", myErrorName(status)); } else{ log_verbose("PASS: Successfully opened word breakiterator\n"); } sentence = ubrk_open(UBRK_SENTENCE, "en_US", text, u_strlen(text), &status); if(U_FAILURE(status)){ log_err_status(status, "FAIL: Error in ubrk_open() for sentence breakiterator: %s\n", myErrorName(status)); return; } else{ log_verbose("PASS: Successfully opened sentence breakiterator\n"); } line = ubrk_open(UBRK_LINE, "en_US", text, u_strlen(text), &status); if(U_FAILURE(status)){ log_err("FAIL: Error in ubrk_open() for line breakiterator: %s\n", myErrorName(status)); return; } else{ log_verbose("PASS: Successfully opened line breakiterator\n"); } character = ubrk_open(UBRK_CHARACTER, "en_US", text, u_strlen(text), &status); if(U_FAILURE(status)){ log_err("FAIL: Error in ubrk_open() for character breakiterator: %s\n", myErrorName(status)); return; } else{ log_verbose("PASS: Successfully opened character breakiterator\n"); } /*trying to open an illegal iterator*/ bogus = ubrk_open((UBreakIteratorType)5, "en_US", text, u_strlen(text), &status); if(U_SUCCESS(status)){ log_err("FAIL: Error in ubrk_open() for BOGUS breakiterator. Expected U_ILLEGAL_ARGUMENT_ERROR\n"); } if(U_FAILURE(status)){ if(status != U_ILLEGAL_ARGUMENT_ERROR){ log_err("FAIL: Error in ubrk_open() for BOGUS breakiterator. Expected U_ILLEGAL_ARGUMENT_ERROR\n Got %s\n", myErrorName(status)); } } status=U_ZERO_ERROR; /* ======= Test ubrk_countAvialable() and ubrk_getAvialable() */ log_verbose("\nTesting ubrk_countAvailable() and ubrk_getAvailable()\n"); count=ubrk_countAvailable(); /* use something sensible w/o hardcoding the count */ if(count < 0){ log_err("FAIL: Error in ubrk_countAvialable() returned %d\n", count); } else{ log_verbose("PASS: ubrk_countAvialable() successful returned %d\n", count); } for(i=0;i<count;i++) { log_verbose("%s\n", ubrk_getAvailable(i)); if (ubrk_getAvailable(i) == 0) log_err("No locale for which breakiterator is applicable\n"); else log_verbose("A locale %s for which breakiterator is applicable\n",ubrk_getAvailable(i)); } /*========Test ubrk_first(), ubrk_last()...... and other functions*/ log_verbose("\nTesting the functions for word\n"); start = ubrk_first(word); if(start!=0) log_err("error ubrk_start(word) did not return 0\n"); log_verbose("first (word = %d\n", (int32_t)start); pos=ubrk_next(word); if(pos!=4) log_err("error ubrk_next(word) did not return 4\n"); log_verbose("next (word = %d\n", (int32_t)pos); pos=ubrk_following(word, 4); if(pos!=5) log_err("error ubrl_following(word,4) did not return 6\n"); log_verbose("next (word = %d\n", (int32_t)pos); end=ubrk_last(word); if(end!=49) log_err("error ubrk_last(word) did not return 49\n"); log_verbose("last (word = %d\n", (int32_t)end); pos=ubrk_previous(word); log_verbose("%d %d\n", end, pos); pos=ubrk_previous(word); log_verbose("%d \n", pos); if (ubrk_isBoundary(word, 2) != FALSE) { log_err("error ubrk_isBoundary(word, 2) did not return FALSE\n"); } pos=ubrk_current(word); if (pos != 4) { log_err("error ubrk_current() != 4 after ubrk_isBoundary(word, 2)\n"); } if (ubrk_isBoundary(word, 4) != TRUE) { log_err("error ubrk_isBoundary(word, 4) did not return TRUE\n"); } log_verbose("\nTesting the functions for character\n"); ubrk_first(character); pos = ubrk_following(character, 5); if(pos!=6) log_err("error ubrk_following(character,5) did not return 6\n"); log_verbose("Following (character,5) = %d\n", (int32_t)pos); pos=ubrk_following(character, 18); if(pos!=19) log_err("error ubrk_following(character,18) did not return 19\n"); log_verbose("Followingcharacter,18) = %d\n", (int32_t)pos); pos=ubrk_preceding(character, 22); if(pos!=21) log_err("error ubrk_preceding(character,22) did not return 21\n"); log_verbose("preceding(character,22) = %d\n", (int32_t)pos); log_verbose("\nTesting the functions for line\n"); pos=ubrk_first(line); if(pos != 0) log_err("error ubrk_first(line) returned %d, expected 0\n", (int32_t)pos); pos = ubrk_next(line); pos=ubrk_following(line, 18); if(pos!=22) log_err("error ubrk_following(line) did not return 22\n"); log_verbose("following (line) = %d\n", (int32_t)pos); log_verbose("\nTesting the functions for sentence\n"); ubrk_first(sentence); pos = ubrk_current(sentence); log_verbose("Current(sentence) = %d\n", (int32_t)pos); pos = ubrk_last(sentence); if(pos!=49) log_err("error ubrk_last for sentence did not return 49\n"); log_verbose("Last (sentence) = %d\n", (int32_t)pos); ubrk_first(sentence); to = ubrk_following( sentence, 0 ); if (to == 0) log_err("ubrk_following returned 0\n"); to = ubrk_preceding( sentence, to ); if (to != 0) log_err("ubrk_preceding didn't return 0\n"); if (ubrk_first(sentence)!=ubrk_current(sentence)) { log_err("error in ubrk_first() or ubrk_current()\n"); } /*---- */ /*Testing ubrk_open and ubrk_close()*/ log_verbose("\nTesting open and close for us locale\n"); b = ubrk_open(UBRK_WORD, "fr_FR", text, u_strlen(text), &status); if (U_FAILURE(status)) { log_err("ubrk_open for word returned NULL: %s\n", myErrorName(status)); } ubrk_close(b); /* Test setText and setUText */ { UChar s1[] = {0x41, 0x42, 0x20, 0}; UChar s2[] = {0x41, 0x42, 0x43, 0x44, 0x45, 0}; UText *ut = NULL; UBreakIterator *bb; int j; log_verbose("\nTesting ubrk_setText() and ubrk_setUText()\n"); status = U_ZERO_ERROR; bb = ubrk_open(UBRK_WORD, "en_US", NULL, 0, &status); TEST_ASSERT_SUCCESS(status); ubrk_setText(bb, s1, -1, &status); TEST_ASSERT_SUCCESS(status); ubrk_first(bb); j = ubrk_next(bb); TEST_ASSERT(j == 2); ut = utext_openUChars(ut, s2, -1, &status); ubrk_setUText(bb, ut, &status); TEST_ASSERT_SUCCESS(status); j = ubrk_next(bb); TEST_ASSERT(j == 5); ubrk_close(bb); utext_close(ut); } ubrk_close(word); ubrk_close(sentence); ubrk_close(line); ubrk_close(character); }
static int icuNext( sqlite3_tokenizer_cursor *pCursor, const char **ppToken, int *pnBytes, int *piStartOffset, int *piEndOffset, int *piPosition ){ IcuCursor *pCsr = (IcuCursor *)pCursor; int iStart = 0; int iEnd = 0; int nByte = 0; while( iStart==iEnd ){ UChar32 c; iStart = ubrk_current(pCsr->pIter); iEnd = ubrk_next(pCsr->pIter); if( iEnd==UBRK_DONE ){ return SQLITE_DONE; } while( iStart<iEnd ){ int iWhite = iStart; U16_NEXT(pCsr->aChar, iWhite, pCsr->nChar, c); if( u_isspace(c) ){ iStart = iWhite; }else{ break; } } assert(iStart<=iEnd); } do { UErrorCode status = U_ZERO_ERROR; if( nByte ){ char *zNew = sqlite3_realloc(pCsr->zBuffer, nByte); if( !zNew ){ return SQLITE_NOMEM; } pCsr->zBuffer = zNew; pCsr->nBuffer = nByte; } u_strToUTF8( pCsr->zBuffer, pCsr->nBuffer, &nByte, &pCsr->aChar[iStart], iEnd-iStart, &status ); } while( nByte>pCsr->nBuffer ); *ppToken = pCsr->zBuffer; *pnBytes = nByte; *piStartOffset = pCsr->aOffset[iStart]; *piEndOffset = pCsr->aOffset[iEnd]; *piPosition = pCsr->iToken++; return SQLITE_OK; }
int32_t __hs_ubrk_current(const UBreakIterator *bi) { return ubrk_current(bi); }