Name
__xml_nsexpand_iristr — Checks if the string is QName and if it is so then replaces namespace prefix to the full namespace IRI.
Synopsis
__xml_nsexpand_iristr ( |
in str varchar ); |
Description
Checks if the string is QName and if it is so then replaces namespace prefix to the full namespace IRI. Otherwise signals error if the argument is local IRI without a prefix.
Parameters
str
QName. For ex. if QName is "prefix:local", then conveniently is replaced "prefix:" with the namespace IRI
Examples
Example24.298.Example with FOAF namespace prefix
SQL> SELECT __xml_nsexpand_iristr ('foaf:knows');
__xml_nsexpand_iristr
VARCHAR
_______________________________________________________________________________
http://xmlns.com/foaf/0.1/knows
1 Rows. -- 0 msec.
Example24.299.Example with no namespace prefix
SQL> SELECT __xml_nsexpand_iristr ('no-namespace-prefix-iri');
*** Error 22023: [Virtuoso Driver][Virtuoso Server]SR649:
No XML namespace prefix in string "no-namespace-prefix-iri"
in
__xml_nsexpand_iristr:(BIF),
__01 => 'no-namespace-prefix-iri',
<Top Level>
at line 5 of Top-Level:
SELECT __xml_nsexpand_iristr ('no-namespace-prefix-iri')
Example24.300.Example with namespace prefix "local"
SQL> SELECT __xml_nsexpand_iristr ('no-such-prefix:local');
*** Error 22023: [Virtuoso Driver][Virtuoso Server]SR648:
Unknown XML namespace prefix in IRI "no-such-prefix:local"
in
__xml_nsexpand_iristr:(BIF),
__01 => 'no-such-prefix:local',
<Top Level>
at line 6 of Top-Level:
SELECT __xml_nsexpand_iristr ('no-such-prefix:local')
Example24.301.Example with namespace prefix ""no-such-prefix""
SQL> SELECT __xml_ns_iristr ('no-such-prefix', 'knows');
*** Error 22023: [Virtuoso Driver][Virtuoso Server]SR648: Unknown XML namespace prefix "no-such-prefix"
in
__xml_ns_iristr:(BIF),
__01 => 'no-such-prefix',
__02 => 'knows',
<Top Level>
at line 7 of Top-Level:
SELECT __xml_ns_iristr ('no-such-prefix', 'knows')
See Also
xml_ns_uname()
xml_ns_iristr()
xml_get_ns_prefix()
xml_get_ns_uri()