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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /intl/icu/source/common/ubrk.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'intl/icu/source/common/ubrk.cpp')
-rw-r--r--intl/icu/source/common/ubrk.cpp301
1 files changed, 301 insertions, 0 deletions
diff --git a/intl/icu/source/common/ubrk.cpp b/intl/icu/source/common/ubrk.cpp
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index 000000000..b02c966b1
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+++ b/intl/icu/source/common/ubrk.cpp
@@ -0,0 +1,301 @@
+// Copyright (C) 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+********************************************************************************
+* Copyright (C) 1996-2015, 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 NULL;
+ }
+ if (bi == NULL) {
+ *status = U_ILLEGAL_ARGUMENT_ERROR;
+ return NULL;
+ }
+ if (pBufferSize != NULL) {
+ int32_t inputSize = *pBufferSize;
+ *pBufferSize = 1;
+ if (inputSize == 0) {
+ return NULL; // preflighting for deprecated functionality
+ }
+ }
+ BreakIterator *newBI = ((BreakIterator *)bi)->clone();
+ if (newBI == NULL) {
+ *status = U_MEMORY_ALLOCATION_ERROR;
+ } else {
+ *status = U_SAFECLONE_ALLOCATED_WARNING;
+ }
+ return (UBreakIterator *)newBI;
+}
+
+
+
+U_CAPI void U_EXPORT2
+ubrk_close(UBreakIterator *bi)
+{
+ delete (BreakIterator *)bi;
+}
+
+U_CAPI void U_EXPORT2
+ubrk_setText(UBreakIterator* bi,
+ const UChar* text,
+ int32_t textLength,
+ UErrorCode* status)
+{
+ UText ut = UTEXT_INITIALIZER;
+ utext_openUChars(&ut, text, textLength, status);
+ ((BreakIterator*)bi)->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)
+{
+ ((BreakIterator*)bi)->setText(text, *status);
+}
+
+
+
+
+
+U_CAPI int32_t U_EXPORT2
+ubrk_current(const UBreakIterator *bi)
+{
+
+ return ((BreakIterator*)bi)->current();
+}
+
+U_CAPI int32_t U_EXPORT2
+ubrk_next(UBreakIterator *bi)
+{
+
+ return ((BreakIterator*)bi)->next();
+}
+
+U_CAPI int32_t U_EXPORT2
+ubrk_previous(UBreakIterator *bi)
+{
+
+ return ((BreakIterator*)bi)->previous();
+}
+
+U_CAPI int32_t U_EXPORT2
+ubrk_first(UBreakIterator *bi)
+{
+
+ return ((BreakIterator*)bi)->first();
+}
+
+U_CAPI int32_t U_EXPORT2
+ubrk_last(UBreakIterator *bi)
+{
+
+ return ((BreakIterator*)bi)->last();
+}
+
+U_CAPI int32_t U_EXPORT2
+ubrk_preceding(UBreakIterator *bi,
+ int32_t offset)
+{
+
+ return ((BreakIterator*)bi)->preceding(offset);
+}
+
+U_CAPI int32_t U_EXPORT2
+ubrk_following(UBreakIterator *bi,
+ int32_t 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();
+}
+
+
+U_CAPI UBool U_EXPORT2
+ubrk_isBoundary(UBreakIterator *bi, int32_t offset)
+{
+ return ((BreakIterator*)bi)->isBoundary(offset);
+}
+
+
+U_CAPI int32_t U_EXPORT2
+ubrk_getRuleStatus(UBreakIterator *bi)
+{
+ return ((BreakIterator*)bi)->getRuleStatus();
+}
+
+U_CAPI int32_t U_EXPORT2
+ubrk_getRuleStatusVec(UBreakIterator *bi, int32_t *fillInVec, int32_t capacity, UErrorCode *status)
+{
+ return ((BreakIterator*)bi)->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);
+}
+
+
+void ubrk_refreshUText(UBreakIterator *bi,
+ UText *text,
+ UErrorCode *status)
+{
+ BreakIterator *bii = reinterpret_cast<BreakIterator *>(bi);
+ bii->refreshInputText(text, *status);
+}
+
+
+
+#endif /* #if !UCONFIG_NO_BREAK_ITERATION */