[jira] [Created] (DAFFODIL-2857) Different prefixes for same namespace fails to compile wih dfdlx:repType

[Steve Lawrence (Jira)]

Steve Lawrence created DAFFODIL-2857:
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             Summary: Different prefixes for same namespace fails to compile 
wih dfdlx:repType
                 Key: DAFFODIL-2857
                 URL: https://issues.apache.org/jira/browse/DAFFODIL-2857
             Project: Daffodil
          Issue Type: Bug
          Components: Front End
            Reporter: Steve Lawrence


Say we have these two schemas:

*foo.dfdl.xsd*
{code:xml}
<schema
  xmlns="http://www.w3.org/2001/XMLSchema";
  xmlns:xs="http://www.w3.org/2001/XMLSchema";
  xmlns:dfdl="http://www.ogf.org/dfdl/dfdl-1.0/";
  xmlns:dfdlx="http://www.ogf.org/dfdl/dfdl-1.0/extensions";
  xmlns:foo="http://example.com/";
  targetNamespace="http://example.com/";
  elementFormDefault="unqualified">

  <include schemaLocation="/org/apache/daffodil/xsd/DFDLGeneralFormat.dfdl.xsd" 
/>

  <include schemaLocation="bar.dfdl.xsd" />

  <annotation>
    <appinfo source="http://www.ogf.org/dfdl/";>
      <dfdl:format ref="foo:GeneralFormat" representation="binary" />
    </appinfo>
  </annotation>

  <element name="foo" type="foo:NumEnums" />

</schema>
{code}

*bar.dfdl.xsd*
{code:xml}
<schema
  xmlns="http://www.w3.org/2001/XMLSchema";
  xmlns:xs="http://www.w3.org/2001/XMLSchema";
  xmlns:dfdl="http://www.ogf.org/dfdl/dfdl-1.0/";
  xmlns:dfdlx="http://www.ogf.org/dfdl/dfdl-1.0/extensions";
  xmlns:bar="http://example.com/";
  targetNamespace="http://example.com/";
  elementFormDefault="unqualified">

  <include schemaLocation="/org/apache/daffodil/xsd/DFDLGeneralFormat.dfdl.xsd" 
/>

  <annotation>
    <appinfo source="http://www.ogf.org/dfdl/";>
      <dfdl:format ref="bar:GeneralFormat" representation="binary" />
    </appinfo>
  </annotation>

  <simpleType name="enum" dfdl:lengthKind="explicit" dfdl:length="1">
    <restriction base="xs:int" />
  </simpleType>

  <simpleType name="NumEnums" dfdlx:repType="bar:enum">
    <restriction base="xs:string">
      <enumeration value="zero" dfdlx:repValues="0"/>
      <enumeration value="one" dfdlx:repValues="1"/>
    </restriction>
  </simpleType>

</schema>
{code}

Note that foo.dfdl.xsd and bar.dfdl.xsd use the same targetNamespace, but have 
different namespace prefixes.

Trying to compile this schema causes the error:

> [error] Schema Definition Error: Undefined QName prefix 'bar'

Likely what is happening is we create a quasi element in the scope foo.dfdl.xsd 
that has its type set to that of its dfdlx:repType property, which is 
"bar:enum". But in that scope, "bar:enum" doesn't make sense because the "bar" 
prefix isn't defined, the namespace prefix in this scope is "foo".




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