Communication between the parser and the user routine is handled through these special registers:
- XML-CODE to determine the status of the XML parsing.
- XML-EVENT to receive the name of each XML event; for example, START-OF-DOCUMENT.
- XML-INFORMATION to provide additional information to an XML PARSE processing procedure about the status of the parse.
- XML-NAMESPACE is defined during XML parsing to contain the identifier of the namespace, if any, associated with the name in XML-TEXT for XML events START-OF-ELEMENT, END-OF-ELEMENT, and ATTRIBUTE-NAME, and to contain the declared namespace identifier for XML event NAMESPACE-DECLARATION.
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XML-NAMESPACE-PREFIX is defined during XML parsing to contain the prefix, if any, of the name in XML-TEXT for XML events START-OF-ELEMENT, END-OF-ELEMENT, and ATTRIBUTE-NAME, and to contain the local attribute name for XML event NAMESPACE-DECLARATION. The namespace prefix is used as an alias for the complete namespace identifier.
- XML-NNAMESPACE is defined during XML parsing to contain the identifier of the namespace, if any, associated with the name in XML-NTEXT for XML events START-OF-ELEMENT, END-OF-ELEMENT, and ATTRIBUTE-NAME, and to contain the declared namespace identifier for XML event NAMESPACE-DECLARATION.
- XML-NNAMESPACE-PREFIX is defined during XML parsing to contain the prefix, if any, of the name in XML-NTEXT for XML events START-OF-ELEMENT, END-OF-ELEMENT, and ATTRIBUTE-NAME, and to contain the local attribute name for XML event NAMESPACE-DECLARATION. The namespace prefix is used as an alias for the complete namespace identifier.
- XML-NTEXT to receive XML document fragments from a national document.
- XML-TEXT to receive XML document fragments from an alphanumeric document.
