File: K-FunctionProlog-53.xqx

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qtxmlpatterns-opensource-src 5.15.2-3
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<?xml version="1.0"?>
<xqx:module xmlns:xqx="http://www.w3.org/2005/XQueryX"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xsi:schemaLocation="http://www.w3.org/2005/XQueryX
                                http://www.w3.org/2005/XQueryX/xqueryx.xsd">
  <xqx:mainModule>
    <xqx:prolog>
      <xqx:namespaceDecl>
        <xqx:prefix>my</xqx:prefix>
        <xqx:uri>http://example.com/MyNamespace/</xqx:uri>
      </xqx:namespaceDecl>
      <xqx:varDecl>
        <xqx:varName xqx:prefix="my">error-qname</xqx:varName>
        <xqx:varValue>
          <xqx:functionCallExpr>
            <xqx:functionName>QName</xqx:functionName>
            <xqx:arguments>
              <xqx:stringConstantExpr>
                <xqx:value>http:example.org/</xqx:value>
              </xqx:stringConstantExpr>
              <xqx:stringConstantExpr>
                <xqx:value>prefix:ncname</xqx:value>
              </xqx:stringConstantExpr>
            </xqx:arguments>
          </xqx:functionCallExpr>
        </xqx:varValue>
      </xqx:varDecl>
      <xqx:functionDecl>
        <xqx:functionName xqx:prefix="my">error</xqx:functionName>
        <xqx:paramList>
          <xqx:param>
            <xqx:varName>choice</xqx:varName>
          </xqx:param>
          <xqx:param>
            <xqx:varName>msg</xqx:varName>
            <xqx:typeDeclaration>
              <xqx:atomicType xqx:prefix="xs">string</xqx:atomicType>
            </xqx:typeDeclaration>
          </xqx:param>
        </xqx:paramList>
        <xqx:typeDeclaration>
          <xqx:voidSequenceType/>
        </xqx:typeDeclaration>
        <xqx:functionBody>
          <xqx:ifThenElseExpr>
            <xqx:ifClause>
              <xqx:varRef>
                <xqx:name>choice</xqx:name>
              </xqx:varRef>
            </xqx:ifClause>
            <xqx:thenClause>
              <xqx:functionCallExpr>
                <xqx:functionName>error</xqx:functionName>
                <xqx:arguments>
                  <xqx:varRef>
                    <xqx:name xqx:prefix="my">error-qname</xqx:name>
                  </xqx:varRef>
                  <xqx:functionCallExpr>
                    <xqx:functionName>concat</xqx:functionName>
                    <xqx:arguments>
                      <xqx:stringConstantExpr>
                        <xqx:value>No luck: </xqx:value>
                      </xqx:stringConstantExpr>
                      <xqx:varRef>
                        <xqx:name>msg</xqx:name>
                      </xqx:varRef>
                    </xqx:arguments>
                  </xqx:functionCallExpr>
                </xqx:arguments>
              </xqx:functionCallExpr>
            </xqx:thenClause>
            <xqx:elseClause>
              <xqx:sequenceExpr/>
            </xqx:elseClause>
          </xqx:ifThenElseExpr>
        </xqx:functionBody>
      </xqx:functionDecl>
    </xqx:prolog>
    <xqx:queryBody>
      <xqx:functionCallExpr>
        <xqx:functionName>empty</xqx:functionName>
        <xqx:arguments>
          <xqx:sequenceExpr>
            <xqx:functionCallExpr>
              <xqx:functionName xqx:prefix="my">error</xqx:functionName>
              <xqx:arguments>
                <xqx:functionCallExpr>
                  <xqx:functionName>false</xqx:functionName>
                  <xqx:arguments>
                  </xqx:arguments>
                </xqx:functionCallExpr>
                <xqx:stringConstantExpr>
                  <xqx:value>msg</xqx:value>
                </xqx:stringConstantExpr>
              </xqx:arguments>
            </xqx:functionCallExpr>
            <xqx:functionCallExpr>
              <xqx:functionName xqx:prefix="my">error</xqx:functionName>
              <xqx:arguments>
                <xqx:functionCallExpr>
                  <xqx:functionName>false</xqx:functionName>
                  <xqx:arguments>
                  </xqx:arguments>
                </xqx:functionCallExpr>
                <xqx:stringConstantExpr>
                  <xqx:value>The message</xqx:value>
                </xqx:stringConstantExpr>
              </xqx:arguments>
            </xqx:functionCallExpr>
          </xqx:sequenceExpr>
        </xqx:arguments>
      </xqx:functionCallExpr>
    </xqx:queryBody>
  </xqx:mainModule>
</xqx:module>