The Tor Browser: intl/icu/source/common/ubrk.cpp@b8a032363ba2 (annotated)

intl/icu/source/common/ubrk.cpp@b8a032363ba2 (annotated)

intl/icu/source/common/ubrk.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /*
 ********************************************************************************
 *   Copyright (C) 1996-2013, 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)
 {
     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);
 }
 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 */

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intl/icu/source/common/ubrk.cpp@b8a032363ba2 (annotated)

intl/icu/source/common/ubrk.cpp