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List:       icu4c-support
Subject:    Re: BreakIterator C++ help needed
From:       Markus Scherer <markus.scherer () jtcsv ! com>
Date:       2002-10-28 21:32:41
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Christian Gilmore wrote:
> void lineBoundary::printTextRange(BreakIterator &iterator,
> 				  int32_t start, int32_t end ) {
>   UnicodeString temp;
>   UChar *textBuffer = new UChar[end-start];
> 
>   CharacterIterator *strIter = (CharacterIterator *)iterator.clone();

Christian, this line could never work. You clone a BreakIterator and cast the resulting 
(BreakIterator *) to a (CharacterIterator *). Those are incompatible types!

>   strIter->getText(temp);
>   temp.extractBetween(start, end, textBuffer);
> 
>   std::cout << " " << start << " " << end << " |"
> 	    << textBuffer << "|" << std::endl;
>   delete strIter;
> }

Try this (I did not compile it):

void lineBoundary::printTextRange(BreakIterator &iterator,
				  int32_t start, int32_t end ) {
   UnicodeString temp;
   UChar *textBuffer = new UChar[end-start];

   iterator.getText().getText(temp);
   temp.extractBetween(start, end, textBuffer);

   std::cout << " " << start << " " << end << " |"
	    << textBuffer << "|" << std::endl;
}

Note: I doubt that std::cout will be able (portably) to handle the Unicode string in the textBuffer. 
I guess it will work on Windows (where wchar_t==UChar) but it will not work on many other platforms.

markus

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