//static jint NativeCollation_previous(JNIEnv* env, jclass, jint address) {
JNIEXPORT jint JNICALL
Java_com_ibm_icu4jni_text_NativeCollation_previous(JNIEnv* env, jclass,
jint address) {
UErrorCode status = U_ZERO_ERROR;
jint result = ucol_previous(toCollationElements(address), &status);
icu4jni_error(env, status);
return result;
}
const CEI *Target::prevCE(int32_t offset)
{
UErrorCode status = U_ZERO_ERROR;
int32_t low = -1, high = -1;
uint32_t order;
UBool cont = FALSE;
if (offset >= bufferMin && offset < bufferMax) {
return &ceb[offset];
}
if (bufferMax >= bufferSize || offset != bufferMax) {
return NULL;
}
do {
high = ucol_getOffset(elements);
order = ucol_previous(elements, &status);
low = ucol_getOffset(elements);
if (order == (uint32_t)UCOL_NULLORDER) {
break;
}
cont = isContinuation(order);
order &= strengthMask;
if (toShift && variableTop > order && (order & UCOL_PRIMARYORDERMASK) != 0) {
if (strength >= UCOL_QUATERNARY) {
order &= UCOL_PRIMARYORDERMASK;
} else {
order = UCOL_IGNORABLE;
}
}
} while (order == UCOL_IGNORABLE);
bufferMax += 1;
if (cont) {
order |= UCOL_CONTINUATION_MARKER;
}
ceb[offset].order = order;
ceb[offset].lowOffset = low;
ceb[offset].highOffset = high;
return &ceb[offset];
}
/**
* Get the ordering priority of the previous collation element in the string.
* @param status the error code status.
* @return the previous element's ordering. Returns NULLORDER if an error has
* occured or if the start of string has been reached.
*/
int32_t CollationElementIterator::previous(UErrorCode& status)
{
return ucol_previous(m_data_, &status);
}
void
backAndForth(UCollationElements *iter)
{
/* Run through the iterator forwards and stick it into an array */
int32_t index, o;
UErrorCode status = U_ZERO_ERROR;
int32_t orderLength = 0;
int32_t *orders;
orders= getOrders(iter, &orderLength);
/* Now go through it backwards and make sure we get the same values */
index = orderLength;
ucol_reset(iter);
/* synwee : changed */
while ((o = ucol_previous(iter, &status)) != UCOL_NULLORDER)
{
if (o != orders[-- index])
{
if (o == 0)
index ++;
else
{
while (index > 0 && orders[-- index] == 0)
{
}
if (o != orders[index])
{
log_err("Mismatch at index : 0x%x\n", index);
return;
}
}
}
}
while (index != 0 && orders[index - 1] == 0) {
index --;
}
if (index != 0)
{
log_err("Didn't get back to beginning - index is %d\n", index);
ucol_reset(iter);
log_err("\nnext: ");
if ((o = ucol_next(iter, &status)) != UCOL_NULLORDER)
{
log_err("Error at %x\n", o);
}
log_err("\nprev: ");
if ((o = ucol_previous(iter, &status)) != UCOL_NULLORDER)
{
log_err("Error at %x\n", o);
}
log_verbose("\n");
}
free(orders);
}
static jint NativeCollation_previous(JNIEnv* env, jclass, jlong address) {
UErrorCode status = U_ZERO_ERROR;
jint result = ucol_previous(toCollationElements(address), &status);
maybeThrowIcuException(env, "ucol_previous", status);
return result;
}
void
backAndForth(UCollationElements *iter)
{
/* Run through the iterator forwards and stick it into an array */
int32_t idx, o;
UErrorCode status = U_ZERO_ERROR;
int32_t orderLength = 0;
OrderAndOffset *orders = getOrders(iter, &orderLength);
/* Now go through it backwards and make sure we get the same values */
idx = orderLength;
ucol_reset(iter);
/* synwee : changed */
while ((o = ucol_previous(iter, &status)) != UCOL_NULLORDER) {
#if TEST_OFFSETS
int32_t offset =
#endif
ucol_getOffset(iter);
idx -= 1;
if (o != orders[idx].order) {
if (o == 0)
idx ++;
else {
while (idx > 0 && orders[-- idx].order == 0) {
/* nothing... */
}
if (o != orders[idx].order) {
log_err("Mismatched order at index %d: 0x%8.8X vs. 0x%8.8X\n", idx,
orders[idx].order, o);
goto bail;
}
}
}
#if TEST_OFFSETS
if (offset != orders[idx].offset) {
log_err("Mismatched offset at index %d: %d vs. %d\n", idx,
orders[idx].offset, offset);
goto bail;
}
#endif
}
while (idx != 0 && orders[idx - 1].order == 0) {
idx -= 1;
}
if (idx != 0) {
log_err("Didn't get back to beginning - index is %d\n", idx);
ucol_reset(iter);
log_err("\nnext: ");
if ((o = ucol_next(iter, &status)) != UCOL_NULLORDER) {
log_err("Error at %x\n", o);
}
log_err("\nprev: ");
if ((o = ucol_previous(iter, &status)) != UCOL_NULLORDER) {
log_err("Error at %x\n", o);
}
log_verbose("\n");
}
bail:
free(orders);
}
static jint NativeCollation_previous(JNIEnv* env, jclass, jint address) {
UErrorCode status = U_ZERO_ERROR;
jint result = ucol_previous(toCollationElements(address), &status);
icu4jni_error(env, status);
return result;
}
/** @bug 4108762
* Test for getMaxExpansion()
*/
static void TestMaxExpansion()
{
UErrorCode status = U_ZERO_ERROR;
UCollator *coll ;/*= ucol_open("en_US", &status);*/
UChar ch = 0;
UChar32 unassigned = 0xEFFFD;
UChar supplementary[2];
uint32_t stringOffset = 0;
UBool isError = FALSE;
uint32_t sorder = 0;
UCollationElements *iter ;/*= ucol_openElements(coll, &ch, 1, &status);*/
uint32_t temporder = 0;
UChar rule[256];
u_uastrcpy(rule, "&a < ab < c/aba < d < z < ch");
coll = ucol_openRules(rule, u_strlen(rule), UCOL_DEFAULT,
UCOL_DEFAULT_STRENGTH,NULL, &status);
if(U_SUCCESS(status) && coll) {
iter = ucol_openElements(coll, &ch, 1, &status);
while (ch < 0xFFFF && U_SUCCESS(status)) {
int count = 1;
uint32_t order;
int32_t size = 0;
ch ++;
ucol_setText(iter, &ch, 1, &status);
order = ucol_previous(iter, &status);
/* thai management */
if (order == 0)
order = ucol_previous(iter, &status);
while (U_SUCCESS(status) &&
ucol_previous(iter, &status) != UCOL_NULLORDER) {
count ++;
}
size = ucol_getMaxExpansion(iter, order);
if (U_FAILURE(status) || size < count) {
log_err("Failure at codepoint %d, maximum expansion count < %d\n",
ch, count);
}
}
/* testing for exact max expansion */
ch = 0;
while (ch < 0x61) {
uint32_t order;
int32_t size;
ucol_setText(iter, &ch, 1, &status);
order = ucol_previous(iter, &status);
size = ucol_getMaxExpansion(iter, order);
if (U_FAILURE(status) || size != 1) {
log_err("Failure at codepoint %d, maximum expansion count < %d\n",
ch, 1);
}
ch ++;
}
ch = 0x63;
ucol_setText(iter, &ch, 1, &status);
temporder = ucol_previous(iter, &status);
if (U_FAILURE(status) || ucol_getMaxExpansion(iter, temporder) != 3) {
log_err("Failure at codepoint %d, maximum expansion count != %d\n",
ch, 3);
}
ch = 0x64;
ucol_setText(iter, &ch, 1, &status);
temporder = ucol_previous(iter, &status);
if (U_FAILURE(status) || ucol_getMaxExpansion(iter, temporder) != 1) {
log_err("Failure at codepoint %d, maximum expansion count != %d\n",
ch, 3);
}
U16_APPEND(supplementary, stringOffset, 2, unassigned, isError);
(void)isError; /* Suppress set but not used warning. */
ucol_setText(iter, supplementary, 2, &status);
sorder = ucol_previous(iter, &status);
if (U_FAILURE(status) || ucol_getMaxExpansion(iter, sorder) != 2) {
log_err("Failure at codepoint %d, maximum expansion count < %d\n",
ch, 2);
}
/* testing jamo */
ch = 0x1165;
ucol_setText(iter, &ch, 1, &status);
temporder = ucol_previous(iter, &status);
if (U_FAILURE(status) || ucol_getMaxExpansion(iter, temporder) > 3) {
log_err("Failure at codepoint %d, maximum expansion count > %d\n",
ch, 3);
}
ucol_closeElements(iter);
ucol_close(coll);
/* testing special jamo &a<\u1160 */
rule[0] = 0x26;
rule[1] = 0x71;
rule[2] = 0x3c;
rule[3] = 0x1165;
rule[4] = 0x2f;
rule[5] = 0x71;
rule[6] = 0x71;
rule[7] = 0x71;
rule[8] = 0x71;
rule[9] = 0;
coll = ucol_openRules(rule, u_strlen(rule), UCOL_DEFAULT,
UCOL_DEFAULT_STRENGTH,NULL, &status);
iter = ucol_openElements(coll, &ch, 1, &status);
temporder = ucol_previous(iter, &status);
if (U_FAILURE(status) || ucol_getMaxExpansion(iter, temporder) != 6) {
log_err("Failure at codepoint %d, maximum expansion count > %d\n",
ch, 5);
}
ucol_closeElements(iter);
ucol_close(coll);
} else {
log_err_status(status, "Couldn't open collator -> %s\n", u_errorName(status));
}
}
static void TestBug672() {
UErrorCode status = U_ZERO_ERROR;
UChar pattern[20];
UChar text[50];
int i;
int result[3][3];
u_uastrcpy(pattern, "resume");
u_uastrcpy(text, "Time to resume updating my resume.");
for (i = 0; i < 3; ++ i) {
UCollator *coll = ucol_open(LOCALES[i], &status);
UCollationElements *pitr = ucol_openElements(coll, pattern, -1,
&status);
UCollationElements *titer = ucol_openElements(coll, text, -1,
&status);
if (U_FAILURE(status)) {
log_err_status(status, "ERROR: in creation of either the collator or the collation iterator :%s\n",
myErrorName(status));
return;
}
log_verbose("locale tested %s\n", LOCALES[i]);
while (ucol_next(pitr, &status) != UCOL_NULLORDER &&
U_SUCCESS(status)) {
}
if (U_FAILURE(status)) {
log_err("ERROR: reversing collation iterator :%s\n",
myErrorName(status));
return;
}
ucol_reset(pitr);
ucol_setOffset(titer, u_strlen(pattern), &status);
if (U_FAILURE(status)) {
log_err("ERROR: setting offset in collator :%s\n",
myErrorName(status));
return;
}
result[i][0] = ucol_getOffset(titer);
log_verbose("Text iterator set to offset %d\n", result[i][0]);
/* Use previous() */
ucol_previous(titer, &status);
result[i][1] = ucol_getOffset(titer);
log_verbose("Current offset %d after previous\n", result[i][1]);
/* Add one to index */
log_verbose("Adding one to current offset...\n");
ucol_setOffset(titer, ucol_getOffset(titer) + 1, &status);
if (U_FAILURE(status)) {
log_err("ERROR: setting offset in collator :%s\n",
myErrorName(status));
return;
}
result[i][2] = ucol_getOffset(titer);
log_verbose("Current offset in text = %d\n", result[i][2]);
ucol_closeElements(pitr);
ucol_closeElements(titer);
ucol_close(coll);
}
if (uprv_memcmp(result[0], result[1], 3) != 0 ||
uprv_memcmp(result[1], result[2], 3) != 0) {
log_err("ERROR: Different locales have different offsets at the same character\n");
}
}
/**
* Test for getOffset() and setOffset()
*/
static void TestOffset()
{
UErrorCode status= U_ZERO_ERROR;
UCollator *en_us=NULL;
UCollationElements *iter, *pristine;
int32_t offset;
OrderAndOffset *orders;
int32_t orderLength=0;
int count = 0;
UChar test1[50];
UChar test2[50];
u_uastrcpy(test1, "What subset of all possible test cases?");
u_uastrcpy(test2, "has the highest probability of detecting");
en_us = ucol_open("en_US", &status);
log_verbose("Testing getOffset and setOffset for collations\n");
iter = ucol_openElements(en_us, test1, u_strlen(test1), &status);
if(U_FAILURE(status)){
log_err_status(status, "ERROR: in creation of collation element iterator using ucol_openElements()\n %s\n",
myErrorName(status));
ucol_close(en_us);
return;
}
/* testing boundaries */
ucol_setOffset(iter, 0, &status);
if (U_FAILURE(status) || ucol_previous(iter, &status) != UCOL_NULLORDER) {
log_err("Error: After setting offset to 0, we should be at the end "
"of the backwards iteration");
}
ucol_setOffset(iter, u_strlen(test1), &status);
if (U_FAILURE(status) || ucol_next(iter, &status) != UCOL_NULLORDER) {
log_err("Error: After setting offset to end of the string, we should "
"be at the end of the backwards iteration");
}
/* Run all the way through the iterator, then get the offset */
orders = getOrders(iter, &orderLength);
offset = ucol_getOffset(iter);
if (offset != u_strlen(test1))
{
log_err("offset at end != length %d vs %d\n", offset,
u_strlen(test1) );
}
/* Now set the offset back to the beginning and see if it works */
pristine=ucol_openElements(en_us, test1, u_strlen(test1), &status);
if(U_FAILURE(status)){
log_err("ERROR: in creation of collation element iterator using ucol_openElements()\n %s\n",
myErrorName(status));
ucol_close(en_us);
return;
}
status = U_ZERO_ERROR;
ucol_setOffset(iter, 0, &status);
if (U_FAILURE(status))
{
log_err("setOffset failed. %s\n", myErrorName(status));
}
else
{
assertEqual(iter, pristine);
}
ucol_closeElements(pristine);
ucol_closeElements(iter);
free(orders);
/* testing offsets in normalization buffer */
test1[0] = 0x61;
test1[1] = 0x300;
test1[2] = 0x316;
test1[3] = 0x62;
test1[4] = 0;
ucol_setAttribute(en_us, UCOL_NORMALIZATION_MODE, UCOL_ON, &status);
iter = ucol_openElements(en_us, test1, 4, &status);
if(U_FAILURE(status)){
log_err("ERROR: in creation of collation element iterator using ucol_openElements()\n %s\n",
myErrorName(status));
ucol_close(en_us);
return;
}
count = 0;
while (ucol_next(iter, &status) != UCOL_NULLORDER &&
U_SUCCESS(status)) {
switch (count) {
case 0:
if (ucol_getOffset(iter) != 1) {
log_err("ERROR: Offset of iteration should be 1\n");
}
break;
case 3:
if (ucol_getOffset(iter) != 4) {
log_err("ERROR: Offset of iteration should be 4\n");
}
break;
default:
if (ucol_getOffset(iter) != 3) {
log_err("ERROR: Offset of iteration should be 3\n");
}
}
count ++;
}
ucol_reset(iter);
count = 0;
while (ucol_previous(iter, &status) != UCOL_NULLORDER &&
U_SUCCESS(status)) {
switch (count) {
case 0:
case 1:
if (ucol_getOffset(iter) != 3) {
log_err("ERROR: Offset of iteration should be 3\n");
}
break;
case 2:
if (ucol_getOffset(iter) != 1) {
log_err("ERROR: Offset of iteration should be 1\n");
}
break;
default:
if (ucol_getOffset(iter) != 0) {
log_err("ERROR: Offset of iteration should be 0\n");
}
}
count ++;
}
if(U_FAILURE(status)){
log_err("ERROR: in iterating collation elements %s\n",
myErrorName(status));
}
ucol_closeElements(iter);
ucol_close(en_us);
}
static void TestSearchCollatorElements(void)
{
const TSCEItem * tsceItemPtr;
for (tsceItemPtr = tsceItems; tsceItemPtr->locale != NULL; tsceItemPtr++) {
UErrorCode status = U_ZERO_ERROR;
UCollator* ucol = ucol_open(tsceItemPtr->locale, &status);
if ( U_SUCCESS(status) ) {
UCollationElements * uce = ucol_openElements(ucol, tsceText, kLen_tsceText, &status);
if ( U_SUCCESS(status) ) {
int32_t offset, element;
const int32_t * nextOffsetPtr;
const int32_t * limitOffsetPtr;
nextOffsetPtr = tsceItemPtr->offsets;
limitOffsetPtr = tsceItemPtr->offsets + tsceItemPtr->offsetsLen;
do {
offset = ucol_getOffset(uce);
element = ucol_next(uce, &status);
log_verbose("(%s) offset=%2d ce=%08x\n", tsceItemPtr->locale, offset, element);
if ( element == 0 ) {
log_err("error, locale %s, ucol_next returned element 0\n", tsceItemPtr->locale );
}
if ( nextOffsetPtr < limitOffsetPtr ) {
if (offset != *nextOffsetPtr) {
log_err("error, locale %s, expected ucol_next -> ucol_getOffset %d, got %d\n",
tsceItemPtr->locale, *nextOffsetPtr, offset );
nextOffsetPtr = limitOffsetPtr;
break;
}
nextOffsetPtr++;
} else {
log_err("error, locale %s, ucol_next returned more elements than expected\n", tsceItemPtr->locale );
}
} while ( U_SUCCESS(status) && element != UCOL_NULLORDER );
if ( nextOffsetPtr < limitOffsetPtr ) {
log_err("error, locale %s, ucol_next returned fewer elements than expected\n", tsceItemPtr->locale );
}
ucol_setOffset(uce, kLen_tsceText, &status);
status = U_ZERO_ERROR;
nextOffsetPtr = tsceItemPtr->offsets + tsceItemPtr->offsetsLen;
limitOffsetPtr = tsceItemPtr->offsets;
do {
offset = ucol_getOffset(uce);
element = ucol_previous(uce, &status);
if ( element == 0 ) {
log_err("error, locale %s, ucol_previous returned element 0\n", tsceItemPtr->locale );
}
if ( nextOffsetPtr > limitOffsetPtr ) {
nextOffsetPtr--;
if (offset != *nextOffsetPtr) {
log_err("error, locale %s, expected ucol_previous -> ucol_getOffset %d, got %d\n",
tsceItemPtr->locale, *nextOffsetPtr, offset );
nextOffsetPtr = limitOffsetPtr;
break;
}
} else {
log_err("error, locale %s, ucol_previous returned more elements than expected\n", tsceItemPtr->locale );
}
} while ( U_SUCCESS(status) && element != UCOL_NULLORDER );
if ( nextOffsetPtr > limitOffsetPtr ) {
log_err("error, locale %s, ucol_previous returned fewer elements than expected\n", tsceItemPtr->locale );
}
ucol_closeElements(uce);
} else {
log_err("error, locale %s, ucol_openElements failed: %s\n", tsceItemPtr->locale, u_errorName(status) );
}
ucol_close(ucol);
} else {
log_data_err("error, locale %s, ucol_open failed: %s\n", tsceItemPtr->locale, u_errorName(status) );
}
}
}
