Re: single non-BMP character counted as two characters

[Nathan Beyer]

This might be an additional impetus to move the code base for future
development to Java 5 libraries, so things like String.codePointCount can be
used.

-Nathan

On Tue, Aug 5, 2008 at 7:59 PM, Michael Glavassevich <[EMAIL PROTECTED]>wrote:

> Hi Taki,
>
> It's a long standing bug/limitation. Xerces uses String.length() (which
> returns the length of the string in chars rather than Unicode code points)
> for checking the length facet.
>
> Thanks.
>
> Michael Glavassevich
> XML Parser Development
> IBM Toronto Lab
> E-mail: [EMAIL PROTECTED]
> E-mail: [EMAIL PROTECTED]
>
> "Taki Kamiya" <[EMAIL PROTECTED]> wrote on 08/05/2008 08:20:38 PM:
>
>
> > Hi,
> >
> > The following schema, which is supposedly valid, results in this error:
> >
> >   cvc-length-valid: Value '𠀋' with length = '2' is not facet-valid
> > with respect to length '1'
> >   for type '#AnonType_act'.
> >
> > The default value "&#x2000B;" for attribute "a" is a single non-BMP
> character.
> > It is as though a surrogate pair is counted as two characters.
> >
> > Regards,
> >
> > -taki
> >
> >
> >
> > <xsd:schema targetNamespace="urn:foo"
> >            xmlns:xsd="http://www.w3.org/2001/XMLSchema";
> >            xmlns:foo="urn:foo">
> >
> > <xsd:complexType name="ct">
> >   <xsd:attribute name="a" default="&#x2000B;"><!-- single character
> > in SIP (U+2000B) -->
> >     <xsd:simpleType>
> >       <xsd:restriction base="xsd:string">
> >         <xsd:length value="1"/>
> >       </xsd:restriction>
> >     </xsd:simpleType>
> >   </xsd:attribute>
> > </xsd:complexType>
> >
> > </xsd:schema>
> >
> >
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