diff options
Diffstat (limited to 'Build/source/libs/icu/icu-xetex/common/ubrk.cpp')
-rw-r--r-- | Build/source/libs/icu/icu-xetex/common/ubrk.cpp | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-xetex/common/ubrk.cpp b/Build/source/libs/icu/icu-xetex/common/ubrk.cpp new file mode 100644 index 00000000000..89028100283 --- /dev/null +++ b/Build/source/libs/icu/icu-xetex/common/ubrk.cpp @@ -0,0 +1,293 @@ +/* +***************************************************************************************** +* Copyright (C) 1996-2007, International Business Machines +* Corporation and others. All Rights Reserved. +***************************************************************************************** +*/ + +#include "unicode/utypes.h" + +#if !UCONFIG_NO_BREAK_ITERATION + +#include "unicode/ubrk.h" + +#include "unicode/brkiter.h" +#include "unicode/uloc.h" +#include "unicode/ustring.h" +#include "unicode/uchriter.h" +#include "unicode/rbbi.h" +#include "rbbirb.h" +#include "uassert.h" + +U_NAMESPACE_USE + +//---------------------------------------------------------------------------------------- +// +// ubrk_open Create a canned type of break iterator based on type (word, line, etc.) +// and locale. +// +//---------------------------------------------------------------------------------------- +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; + + case UBRK_TITLE: + result = BreakIterator::createTitleInstance(Locale(locale), *status); + break; + + default: + *status = U_ILLEGAL_ARGUMENT_ERROR; + } + + // check for allocation error + if (U_FAILURE(*status)) { + return 0; + } + if(result == 0) { + *status = U_MEMORY_ALLOCATION_ERROR; + return 0; + } + + + UBreakIterator *uBI = (UBreakIterator *)result; + if (text != NULL) { + ubrk_setText(uBI, text, textLength, status); + } + return uBI; +} + + + +//---------------------------------------------------------------------------------------- +// +// ubrk_openRules open a break iterator from a set of break rules. +// Invokes the rule builder. +// +//---------------------------------------------------------------------------------------- +U_CAPI UBreakIterator* U_EXPORT2 +ubrk_openRules( const UChar *rules, + int32_t rulesLength, + const UChar *text, + int32_t textLength, + UParseError *parseErr, + UErrorCode *status) { + + if (status == NULL || U_FAILURE(*status)){ + return 0; + } + + BreakIterator *result = 0; + UnicodeString ruleString(rules, rulesLength); + result = RBBIRuleBuilder::createRuleBasedBreakIterator(ruleString, *parseErr, *status); + if(U_FAILURE(*status)) { + return 0; + } + + UBreakIterator *uBI = (UBreakIterator *)result; + if (text != NULL) { + ubrk_setText(uBI, text, textLength, status); + } + return uBI; +} + + + + + +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; + } + // Clear any incoming Safe Clone Allocated warning. + // Propagating this through to our return would really + // confuse our caller. + if (*status==U_SAFECLONE_ALLOCATED_WARNING) { + *status = U_ZERO_ERROR; + } + return (UBreakIterator *)(((BreakIterator*)bi)-> + createBufferClone(stackBuffer, *pBufferSize, *status)); +} + + + +U_CAPI void U_EXPORT2 +ubrk_close(UBreakIterator *bi) +{ + BreakIterator *ubi = (BreakIterator*) bi; + if (ubi) { + if (ubi->isBufferClone()) { + ubi->~BreakIterator(); + *(uint32_t *)ubi = 0xdeadbeef; + } else { + delete ubi; + } + } +} + +U_CAPI void U_EXPORT2 +ubrk_setText(UBreakIterator* bi, + const UChar* text, + int32_t textLength, + UErrorCode* status) +{ + BreakIterator *brit = (BreakIterator *)bi; + UText ut = UTEXT_INITIALIZER; + utext_openUChars(&ut, text, textLength, status); + brit->setText(&ut, *status); + // A stack allocated UText wrapping a UCHar * string + // can be dumped without explicitly closing it. +} + + + +U_CAPI void U_EXPORT2 +ubrk_setUText(UBreakIterator *bi, + UText *text, + UErrorCode *status) +{ + RuleBasedBreakIterator *brit = (RuleBasedBreakIterator *)bi; + brit->RuleBasedBreakIterator::setText(text, *status); +} + + + + + +U_CAPI int32_t U_EXPORT2 +ubrk_current(const UBreakIterator *bi) +{ + + return ((RuleBasedBreakIterator*)bi)->RuleBasedBreakIterator::current(); +} + +U_CAPI int32_t U_EXPORT2 +ubrk_next(UBreakIterator *bi) +{ + + return ((RuleBasedBreakIterator*)bi)->RuleBasedBreakIterator::next(); +} + +U_CAPI int32_t U_EXPORT2 +ubrk_previous(UBreakIterator *bi) +{ + + return ((RuleBasedBreakIterator*)bi)->RuleBasedBreakIterator::previous(); +} + +U_CAPI int32_t U_EXPORT2 +ubrk_first(UBreakIterator *bi) +{ + + return ((RuleBasedBreakIterator*)bi)->RuleBasedBreakIterator::first(); +} + +U_CAPI int32_t U_EXPORT2 +ubrk_last(UBreakIterator *bi) +{ + + return ((RuleBasedBreakIterator*)bi)->RuleBasedBreakIterator::last(); +} + +U_CAPI int32_t U_EXPORT2 +ubrk_preceding(UBreakIterator *bi, + int32_t offset) +{ + + return ((RuleBasedBreakIterator*)bi)->RuleBasedBreakIterator::preceding(offset); +} + +U_CAPI int32_t U_EXPORT2 +ubrk_following(UBreakIterator *bi, + int32_t offset) +{ + + return ((RuleBasedBreakIterator*)bi)->RuleBasedBreakIterator::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(); +} + + +U_CAPI UBool U_EXPORT2 +ubrk_isBoundary(UBreakIterator *bi, int32_t offset) +{ + return ((RuleBasedBreakIterator *)bi)->RuleBasedBreakIterator::isBoundary(offset); +} + + +U_CAPI int32_t U_EXPORT2 +ubrk_getRuleStatus(UBreakIterator *bi) +{ + return ((RuleBasedBreakIterator *)bi)->RuleBasedBreakIterator::getRuleStatus(); +} + +U_CAPI int32_t U_EXPORT2 +ubrk_getRuleStatusVec(UBreakIterator *bi, int32_t *fillInVec, int32_t capacity, UErrorCode *status) +{ + return ((RuleBasedBreakIterator *)bi)->RuleBasedBreakIterator::getRuleStatusVec(fillInVec, capacity, *status); +} + + +U_CAPI const char* U_EXPORT2 +ubrk_getLocaleByType(const UBreakIterator *bi, + ULocDataLocaleType type, + UErrorCode* status) +{ + if (bi == NULL) { + if (U_SUCCESS(*status)) { + *status = U_ILLEGAL_ARGUMENT_ERROR; + } + return NULL; + } + return ((BreakIterator*)bi)->getLocaleID(type, *status); +} + + +#endif /* #if !UCONFIG_NO_BREAK_ITERATION */ |