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DB2 Net Search Extender Verwaltung und Programmierung


DTD für Dokumentmodelle

Das folgende Beispiel zeigt eine formale Beschreibung der Syntax von Dokumentmodellen in Form einer Dokumenttypdefinition (DTD):

<!ELEMENT GPPModel (GPPFieldDefinition|GPPAttributeDefinition)+>
<!ELEMENT HTMLModel (HTMLFieldDefinition|HTMLAttributeDefinition)+>
<!ELEMENT XMLModel (XMLFieldDefinition|XMLAttributeDefinition)+>
 
<!ELEMENT GPPFieldDefinition EMPTY>
<!ATTLIST GPPFieldDefinition name CDATA #REQUIRED>
<!ATTLIST GPPFieldDefinition start CDATA #REQUIRED>
<!ATTLIST GPPFieldDefinition end CDATA #IMPLIED>
<!ATTLIST GPPFieldDefinition exclude (YES|NO) NO>
 
<!ELEMENT GPPAttributeDefinition EMPTY>
<!ATTLIST GPPAttributeDefinition name CDATA #REQUIRED>
<!ATTLIST GPPAttributeDefinition start CDATA #REQUIRED>
<!ATTLIST GPPAttributeDefinition end CDATA #REQUIRED>
<!ATTLIST GPPAttributeDefinition type NUMBER #REQUIRED>
 
<!ELEMENT HTMLFieldDefinition EMPTY>
<!ATTLIST HTMLFieldDefinition name CDATA #REQUIRED>
<!ATTLIST HTMLFieldDefinition tag CDATA #REQUIRED>
<!ATTLIST HTMLFieldDefinition meta-qualifier CDATA #IMPLIED>
<!ATTLIST HTMLFieldDefinition exclude (YES|NO) NO>
 
<!ELEMENT HTMLAttributeDefinition EMPTY>
<!ATTLIST HTMLAttributeDefinition name CDATA #REQUIRED>
<!ATTLIST HTMLAttributeDefinition tag CDATA #REQUIRED>
<!ATTLIST HTMLAttributeDefinition meta-qualifier CDATA #IMPLIED>
<!ATTLIST HTMLAttributeDefinition type NUMBER #REQUIRED>
 
<!ELEMENT XMLFieldDefinition EMPTY>
<!ATTLIST XMLFieldDefinition name CDATA #REQUIRED>
<!ATTLIST XMLFieldDefinition locator CDATA #REQUIRED>
<!ATTLIST XMLFieldDefinition ignore (YES|NO) NO>
<!ATTLIST XMLFieldDefinition priority CDATA #IMPLIED>
<!ATTLIST XMLFieldDefinition exclude (YES|NO) NO>
 
<!ELEMENT XMLAttributeDefinition EMPTY>
<!ATTLIST XMLAttributeDefinition name CDATA #REQUIRED>
<!ATTLIST XMLAttributeDefinition locator CDATA #REQUIRED>
<!ATTLIST XMLAttributeDefinition ignore (YES|NO) NO>
<!ATTLIST XMLAttributeDefinition priority CDATA #IMPLIED>
<!ATTLIST XMLAttributeDefinition type NUMBER #REQUIRED>


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