[jira] Reopened: (XALANJ-1708) The number() function fails

["Brian Minchau (JIRA)" <xa...@xml.apache.org>]

     [ http://issues.apache.org/jira/browse/XALANJ-1708?page=all ]

Brian Minchau reopened XALANJ-1708:
-----------------------------------

             

> The number() function fails
> ---------------------------
>
>                 Key: XALANJ-1708
>                 URL: http://issues.apache.org/jira/browse/XALANJ-1708
>             Project: XalanJ2
>          Issue Type: Bug
>          Components: XPath
>    Affects Versions: 2.5
>         Environment: Operating System: All
> Platform: Other
>            Reporter: David Perez
>             Fix For: 2.7
>
>         Attachments: Bug24246XStringForFSB.txt
>
>
> For example if we try number('   ') (all spaces), the following happens:
>   public double toDouble()
>   {
>       if(m_length == 0)
>         return Double.NaN;
>       int i;
>       char c;
>       String valueString = fsb().getString(m_start,m_length);
>       
>       for (i=0;i<m_length;i++)
>         if (!XMLCharacterRecognizer.isWhiteSpace(valueString.charAt(i)))
>           break;
>       if (valueString.charAt(i) == '-')  
>             <---------Fails here with a StringIndexOutOfBoundsException
>         i++;
>       .....
>   }
> An easy solution is to catch the StringIndexOutOfBoundsException and return in
> that case Double.NaN.
> Note: this error has been detected in version 2.5.1, but appears to be also in 2.5.2

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