Hi,
there was a return mail with a description of a possible
workaround. I assumed that since you did not reply, this helped you. Was
that not the case?
Gareth
On Thu, 3 Jun 2004, Heeg, Michael wrote:
> Hi once again,
>
> I still have the problem with patterns as described below. Is this an
> "official bug" of Xerces 2.5.0 now? Has anyone developed a solution for
> this problem?
>
> Best regards,
> Michael
>
> > Betreff: Strange problem with pattern (Xerces 2.5.0 crashes)
> >
> >
> > Hi,
> >
> > I am using Xerces-C 2.5.0 in my MS Visual C++ application.
> > When validating
> > XML files against a specified schema, the parser sometimes
> > crashes with an
> > "unexpected exception". I found out that the reason for the
> > crashes is the
> > following restriction of the schema (see "Body" element):
> >
> > <xsd:complexType name="InputFileType">
> > <xsd:sequence>
> > <xsd:element name="Head" type="HeadType"/>
> > <xsd:element name="Body">
> > <xsd:simpleType>
> > <xsd:restriction base="xsd:string">
> > <xsd:pattern
> > value="(\n*[0-9]*,[0-9]*,(\-*[0-9]*\.*[0-9]*,)*\-*[0-9]+\.*[0-
> > 9]*;\n*)*"/>
> > </xsd:restriction>
> > </xsd:simpleType>
> > </xsd:element>
> > </xsd:sequence>
> > </xsd:complexType>
> >
> > The restriction is defined to validate <Body> tags like the following:
> >
> > <Body>
> > 0,10,0.199,10.199,0.008;
> > 1,20,0.389,20.389,0.059;
> > 2,30,0.565,30.565,0.180;
> > 3,40,0.717,40.717,0.369;
> > 4,50,0.841,50.841,0.596;
> > 5,60,0.932,60.932,0.810;
> > ....
> > </Body>
> >
> > The strange thing is: when the <Body> tag contains a large
> > amount of data,
> > the validation of the restriction leads to the unexpected
> > exception. But:
> > with a small amount of data, everything works fine. (Also:
> > when I delete the
> > restriction from the schema, everything works fine.)
> >
> > For me this looks like a Xerces bug?! Am I wrong? Any suggestions or
> > comments?
> >
> > Best regards,
> > Michael
> >
> >
> > P.S.: I know that the way we use this <Body> tag is not the
> > best way to
> > handle csv-like data, but I had to do this because of an existing file
> > format.
> >
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> >
>
>
--
Gareth Reakes, Managing Director Parthenon Computing
+44-1865-811184 http://www.parthcomp.com
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