/*
******************************************************************************
- * Copyright (C) 1996-2010, International Business Machines Corporation and
+ * Copyright (C) 1996-2013, International Business Machines Corporation and
* others. All Rights Reserved.
******************************************************************************
*/
* 01/29/01 synwee Modified into a C++ wrapper calling C APIs (ucol.h)
*/
-#include "unicode/utypeinfo.h" // for 'typeid' to work
-
#include "unicode/utypes.h"
#if !UCONFIG_NO_COLLATION
#include "cmemory.h"
#include "cstring.h"
#include "putilimp.h"
+#include "ustr_imp.h"
/* public RuleBasedCollator constructor ---------------------------------- */
UErrorCode& status) : dataIsOwned(FALSE)
{
construct(rules,
- getUCollationStrength(collationStrength),
+ (UColAttributeValue)collationStrength,
UCOL_DEFAULT,
status);
}
UErrorCode& status) : dataIsOwned(FALSE)
{
construct(rules,
- getUCollationStrength(collationStrength),
+ (UColAttributeValue)collationStrength,
decompositionMode,
status);
}
UBool RuleBasedCollator::operator==(const Collator& that) const
{
/* only checks for address equals here */
- if (Collator::operator==(that))
+ if (this == &that) {
return TRUE;
-
- if (typeid(*this) != typeid(that))
+ }
+ if (!Collator::operator==(that)) {
return FALSE; /* not the same class */
+ }
RuleBasedCollator& thatAlias = (RuleBasedCollator&)that;
- // weiv: use C function, commented code below is wrong
return ucol_equals(this->ucollator, thatAlias.ucollator);
- /*
- synwee : orginal code does not check for data compatibility
- */
- /*
- if (ucollator != thatAlias.ucollator)
- return FALSE;
-
- return TRUE;
- */
-}
-
-UBool RuleBasedCollator::operator!=(const Collator& other) const
-{
- return !(*this == other);
}
// aliasing, not write-through
RuleBasedCollator& RuleBasedCollator::operator=(const RuleBasedCollator& that)
{
- if (this != &that)
- {
- if (dataIsOwned)
- {
- ucol_close(ucollator);
- }
+ if (this == &that) { return *this; }
- urulestring.truncate(0); // empty the rule string
- dataIsOwned = TRUE;
- isWriteThroughAlias = FALSE;
+ UErrorCode intStatus = U_ZERO_ERROR;
+ UCollator *ucol = ucol_safeClone(that.ucollator, NULL, NULL, &intStatus);
+ if (U_FAILURE(intStatus)) { return *this; }
- UErrorCode intStatus = U_ZERO_ERROR;
- int32_t buffersize = U_COL_SAFECLONE_BUFFERSIZE;
- ucollator = ucol_safeClone(that.ucollator, NULL, &buffersize,
- &intStatus);
- if (U_SUCCESS(intStatus)) {
- setRuleStringFromCollator();
- }
+ if (dataIsOwned) {
+ ucol_close(ucollator);
}
+ ucollator = ucol;
+ dataIsOwned = TRUE;
+ isWriteThroughAlias = FALSE;
+ setRuleStringFromCollator();
return *this;
}
// aliasing, not write-through
Collator* RuleBasedCollator::clone() const
{
- return new RuleBasedCollator(*this);
+ RuleBasedCollator* coll = new RuleBasedCollator(*this);
+ // There is a small chance that the internal ucol_safeClone() call fails.
+ if (coll != NULL && coll->ucollator == NULL) {
+ delete coll;
+ return NULL;
+ }
+ return coll;
}
+
CollationElementIterator* RuleBasedCollator::createCollationElementIterator
(const UnicodeString& source) const
{
}
}
-Collator::EComparisonResult RuleBasedCollator::compare(
- const UnicodeString& source,
- const UnicodeString& target,
- int32_t length) const
-{
- UErrorCode status = U_ZERO_ERROR;
- return getEComparisonResult(compare(source.getBuffer(), uprv_min(length,source.length()), target.getBuffer(), uprv_min(length,target.length()), status));
-}
-
+/**
+* Compare two strings using this collator
+*/
UCollationResult RuleBasedCollator::compare(
const UnicodeString& source,
const UnicodeString& target,
return compare(source.getBuffer(), uprv_min(length,source.length()), target.getBuffer(), uprv_min(length,target.length()), status);
}
-Collator::EComparisonResult RuleBasedCollator::compare(const UChar* source,
- int32_t sourceLength,
- const UChar* target,
- int32_t targetLength)
- const
-{
- return getEComparisonResult(ucol_strcoll(ucollator, source, sourceLength,
- target, targetLength));
-}
-
UCollationResult RuleBasedCollator::compare(const UChar* source,
int32_t sourceLength,
const UChar* target,
}
}
-/**
-* Compare two strings using this collator
-*/
-Collator::EComparisonResult RuleBasedCollator::compare(
- const UnicodeString& source,
- const UnicodeString& target) const
-{
- return getEComparisonResult(ucol_strcoll(ucollator, source.getBuffer(), source.length(),
- target.getBuffer(), target.length()));
-}
-
UCollationResult RuleBasedCollator::compare(
const UnicodeString& source,
const UnicodeString& target,
CollationKey& sortkey,
UErrorCode& status) const
{
- if (U_FAILURE(status))
- {
+ if (U_FAILURE(status)) {
+ return sortkey.setToBogus();
+ }
+ if (sourceLen < -1 || (source == NULL && sourceLen != 0)) {
+ status = U_ILLEGAL_ARGUMENT_ERROR;
return sortkey.setToBogus();
}
- if ((!source) || (sourceLen == 0)) {
+ if (sourceLen < 0) {
+ sourceLen = u_strlen(source);
+ }
+ if (sourceLen == 0) {
return sortkey.reset();
}
- uint8_t *result;
- int32_t resultLen = ucol_getSortKeyWithAllocation(ucollator,
- source, sourceLen,
- &result,
- &status);
- sortkey.adopt(result, resultLen);
+ int32_t resultLen = ucol_getCollationKey(ucollator, source, sourceLen, sortkey, status);
+
+ if (U_SUCCESS(status)) {
+ sortkey.setLength(resultLen);
+ } else {
+ sortkey.setToBogus();
+ }
return sortkey;
}
uint8_t* RuleBasedCollator::cloneRuleData(int32_t &length,
UErrorCode &status)
{
- return ucol_cloneRuleData(ucollator, &length, &status);
+ if (U_FAILURE(status)) { return NULL; }
+ LocalMemory<uint8_t> buffer((uint8_t *)uprv_malloc(20000));
+ if (buffer.isNull()) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return NULL;
+ }
+ length = cloneBinary(buffer.getAlias(), 20000, status);
+ if (status == U_BUFFER_OVERFLOW_ERROR) {
+ if (buffer.allocateInsteadAndCopy(length, 0) == NULL) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return NULL;
+ }
+ status = U_ZERO_ERROR;
+ length = cloneBinary(buffer.getAlias(), length, status);
+ }
+ if (U_FAILURE(status)) { return NULL; }
+ return buffer.orphan();
}
}
UColAttributeValue RuleBasedCollator::getAttribute(UColAttribute attr,
- UErrorCode &status)
+ UErrorCode &status) const
{
if (U_FAILURE(status))
return UCOL_DEFAULT;
return ucol_setVariableTop(ucollator, varTop, len, &status);
}
-uint32_t RuleBasedCollator::setVariableTop(const UnicodeString varTop, UErrorCode &status) {
+uint32_t RuleBasedCollator::setVariableTop(const UnicodeString &varTop, UErrorCode &status) {
checkOwned();
return ucol_setVariableTop(ucollator, varTop.getBuffer(), varTop.length(), &status);
}
-void RuleBasedCollator::setVariableTop(const uint32_t varTop, UErrorCode &status) {
+void RuleBasedCollator::setVariableTop(uint32_t varTop, UErrorCode &status) {
checkOwned();
ucol_restoreVariableTop(ucollator, varTop, &status);
}
return ucol_getVariableTop(ucollator, &status);
}
-Collator* RuleBasedCollator::safeClone(void)
-{
- UErrorCode intStatus = U_ZERO_ERROR;
- int32_t buffersize = U_COL_SAFECLONE_BUFFERSIZE;
- UCollator *ucol = ucol_safeClone(ucollator, NULL, &buffersize,
- &intStatus);
- if (U_FAILURE(intStatus)) {
- return NULL;
- }
-
- RuleBasedCollator *result = new RuleBasedCollator();
- // Null pointer check
- if (result != NULL) {
- result->ucollator = ucol;
- result->dataIsOwned = TRUE;
- result->isWriteThroughAlias = FALSE;
- setRuleStringFromCollator();
- }
-
- return result;
-}
-
-
int32_t RuleBasedCollator::getSortKey(const UnicodeString& source,
uint8_t *result, int32_t resultLength)
const
return ucol_getSortKey(ucollator, source, sourceLength, result, resultLength);
}
-Collator::ECollationStrength RuleBasedCollator::getStrength(void) const
-{
- UErrorCode intStatus = U_ZERO_ERROR;
- return getECollationStrength(ucol_getAttribute(ucollator, UCOL_STRENGTH,
- &intStatus));
-}
-
-void RuleBasedCollator::setStrength(ECollationStrength newStrength)
-{
- checkOwned();
- UErrorCode intStatus = U_ZERO_ERROR;
- UCollationStrength strength = getUCollationStrength(newStrength);
- ucol_setAttribute(ucollator, UCOL_STRENGTH, strength, &intStatus);
-}
-
int32_t RuleBasedCollator::getReorderCodes(int32_t *dest,
int32_t destCapacity,
UErrorCode& status) const
int32_t reorderCodesLength,
UErrorCode& status)
{
+ checkOwned();
ucol_setReorderCodes(ucollator, reorderCodes, reorderCodesLength, &status);
}
+int32_t RuleBasedCollator::getEquivalentReorderCodes(int32_t reorderCode,
+ int32_t* dest,
+ int32_t destCapacity,
+ UErrorCode& status)
+{
+ return ucol_getEquivalentReorderCodes(reorderCode, dest, destCapacity, &status);
+}
/**
* Create a hash code for this collation. Just hash the main rule table -- that
{
int32_t length;
const UChar *rules = ucol_getRules(ucollator, &length);
- return uhash_hashUCharsN(rules, length);
+ return ustr_hashUCharsN(rules, length);
}
/**
* return the locale of this collator
*/
-const Locale RuleBasedCollator::getLocale(ULocDataLocaleType type, UErrorCode &status) const {
+Locale RuleBasedCollator::getLocale(ULocDataLocaleType type, UErrorCode &status) const {
const char *result = ucol_getLocaleByType(ucollator, type, &status);
if(result == NULL) {
Locale res("");
RuleBasedCollator::setUCollator(const char *locale,
UErrorCode &status)
{
- if (U_FAILURE(status))
+ if (U_FAILURE(status)) {
return;
+ }
if (ucollator && dataIsOwned)
ucol_close(ucollator);
ucollator = ucol_open_internal(locale, &status);
}
}
+
+int32_t RuleBasedCollator::internalGetShortDefinitionString(const char *locale,
+ char *buffer,
+ int32_t capacity,
+ UErrorCode &status) const {
+ /* simply delegate */
+ return ucol_getShortDefinitionString(ucollator, locale, buffer, capacity, &status);
+}
+
+
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(RuleBasedCollator)
U_NAMESPACE_END
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