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Newsgroups: comp.lang.ada
Date: Fri, 8 May 2015 03:20:13 -0700 (PDT)
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Subject: Re: Validating XML using Ada schema module
From: Sonia Dalal <sonia12106@iiitd.ac.in>
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Xref: number.nntp.giganews.com comp.lang.ada:193082
Date: 2015-05-08T03:20:13-07:00
List-Id: <comp.lang.ada>

On Thursday, May 7, 2015 at 9:23:22 PM UTC+5:30, Sonia Dalal wrote:
> Hi all
>=20
> I am new to ada. I am working on a project where I am parsing XML for dat=
a. I am trying to validate the XML received (I am receiving XML from third =
party) using the schema module. Following is the sample schema which I took=
 from w3c site after I was getting raised CONSTRAINT_ERROR : schema-validat=
ors.adb:2166 invalid data for my own schema but I am getting same error for=
 this schema.
>=20
> <?xml version=3D"1.0"?>
>=20
> <xs:schema xmlns:xs=3D"http://www.w3.org/2001/XMLSchema">
>=20
> <xs:element name=3D"note">
>   <xs:complexType>
>     <xs:sequence>
>       <xs:element name=3D"to" type=3D"xs:string"/>
>       <xs:element name=3D"from" type=3D"xs:string"/>
>       <xs:element name=3D"heading" type=3D"xs:string"/>
>       <xs:element name=3D"body" type=3D"xs:string"/>
>     </xs:sequence>
>   </xs:complexType>
> </xs:element>
>=20
> </xs:schema>
>=20
> Changing the version and scheam tag to=20
> <?xml version=3D"1.0" encoding=3D"UTF-8"?>
>=20
> <xs:schema xmlns:xs=3D"http://www.w3.org/2001/XMLSchema"
> elementFormDefault=3D"qualified"
> targetNamespace=3D"http://example.com/schemas/agent"
> xmlns:agent=3D"http://example.com/schemas/agent">=20
>=20
> does not make any difference. I tried looking into schema-validators.adb =
but that was of no use. Please help.



The above code is what I have used in my xsd and I am following the Ada doc=
umentation to generate grammar.=20
I have put my xsd code aside just to figure out what is the reason for erro=
r as it is same in both the scenarios.
I am using GNAT 4.6 so it should be Ada 2005.
Is it possible that it is due to some dependency or version clashes?