Re: [Vtd-xml-users] built-in entity references

[John K. - K. I. NL <jk...@in...>]

In the new code this actually has nothing to do with "&amps;" - there is
no such check, my guess it's a typo of the website. It does have to do
something with offsets:

For the package I built, add a ++ after offset in getChar() (in the
function getCharResolved())

Example, it was this:

                     static Long getCharResolved(VTDNav *vn,int offset){
                         exception e;
                         int ch =3D 0;
                         int val =3D 0;
                         Long inc =3D2;
                         Long l =3D getChar(vn,offset);

Change it to:

                     static Long getCharResolved(VTDNav *vn,int offset){
                         exception e;
                         int ch =3D 0;
                         int val =3D 0;
                         Long inc =3D2;
                         Long l =3D getChar(vn,offset++);

I'm not sure if this'll work on older versions.

In a new version I threw in a bunch of typecasts too, to get rid of
those pesky compiler warnings (on HP-UX a killer), but I'll release the
package somewhat later when I'm convinced it works.

Regards,
John Kraal


Harrie Hoogeveen wrote:
> Hello,
>=20
> I had a question about the built-in entity references. You support, as
> told on the website only a few:
>=20
> " &amps; ' > <
>=20
> Q1: I was wondering why is it not & and &apo; as in the standard?
>=20
> For example a lot of parsers do not understand &amps; but do understand
> &
>=20
> =20
>=20
> Now, I have to adapt my xml, or the VTD code. I am looking at this
> function getCharResolved() from VTDNav.
>=20
> If you look at the swich, after the & sign, it detects this:
>=20
> =20
>=20
> *case* 'a' :
>=20
>                         ch =3D getCharUnit(offset);
>=20
>                         *if* (ch =3D=3D 'm') {
>=20
>                               *if* (getCharUnit(offset + 1) =3D=3D 'p'
>=20
>                                     && getCharUnit(offset + 2) =3D=3D '=
;') {
>=20
>                                     inc =3D 5;
>=20
>                                     val =3D '&';
>=20
>                               } *else*
>=20
>                                     *throw* *new* NavException("illegal
> builtin reference");
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>                         } *else* *if* (ch =3D=3D 'p') {
>=20
>                               *if* (getCharUnit(offset + 1) =3D=3D 'o'
>=20
>                                     && getCharUnit(offset + 2) =3D=3D '=
s'
>=20
>                                     && getCharUnit(offset + 3) =3D=3D '=
;') {
>=20
>                                     inc =3D 6;
>=20
>                                     val =3D '\'';
>=20
>                               } *else*
>=20
>                                     *throw* *new* NavException("illegal
> builtin reference");
>=20
>                         } *else*
>=20
>                               *throw* *new* NavException("illegal
> builtin reference");
>=20
>                         *break*;
>=20
> =20
>=20
> Which in translation is amp; and apos;
>=20
> =20
>=20
> Now it realy is getting confusing.
>=20
> If a put &amps; in my xml, it throws an exception any way:
> =E2=80=9Cjavax.ejb.EJBException: com.ximpleware.EntityException: Errors=
 in
> Entity: Illegal builtin reference=E2=80=9D on line 499 in VTDGen.
>=20
> If I put & in my xml I get a: =E2=80=9CNavException: Invalid entity=
 char=E2=80=9D on
> line 830 in VTDNav.
>=20
> Of which you can see the code above, which should work for &.
>=20
> Also the & is supported in VTDNav, if I see correct on line 740, bu=
t
> also gets a exception
>=20
> What is going on?
>=20
> Mabey it=E2=80=99s in this piece of code on line 729 in VTDNav:
>=20
> =20
>=20
>             ch =3D (*int*)l;
>=20
>           =20
>=20
>             *if* (ch !=3D '&')
>=20
>                   *return* l;
>=20
> =20
>=20
> I have some time to correct this. What is the problem? Why did you bloc=
k
> it out like that?
>=20
> =20
>=20
> Harrie Hoogeveen
>=20
> =20
>=20
> =20
>=20
>=20
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>=20
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--=20
Met vriendelijke groeten,
With kind regards,

John Kraal
Programmer

Kewill Interchain
A member of the Kewill Group of companies

(T) +31 (0)78 6 123 310
(E)  jk...@in...
(W) www.interchain.nl

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