Name

xml_tree_doc_media_type

Synopsis

varchar xml_tree_doc_media_type ( in xml_entity any );
 

Description

This function returns the media type in effect for the result of the xslt() (XSL-T) transformation , based on xsl:output "media-type" and "method" attributes of the XSL-T style-sheet applied. It accepts an entity (potentially resulting from using xslt()) as a argument and will return a string containing the media-type.

Parameters

xml_entity

An XML entity such as that returned by the xslt() function.

Return Types

If xsl:output "media-type" specified in XSL-T sheet it's value will be returned. If no "media-type" is specified, the valid results dependent on the <xsl:output "method" attribute are:

if unknown : non-string value
if 'html' : 'text/html'
if 'xhtml' : 'text/html'
if 'xml' : 'text/xml'
if 'text' : 'text/plain'.

Errors

This function can generate the following errors:

22023 SR003 Function xml_tree_doc_media_type needs an XML entity as argument 1, not an arg of type <type_name> (<type>)

Examples

Example 24.519. Assessing the media type

-- x.xsl --

<xsl:stylesheet
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    version="1.0">
    <xsl:output method="text" />
....
</xsl:stylesheet>

-- execute a simple transformation via ISQL tool
SQL> select xml_tree_doc_media_type (xslt ('file:/x.xsl',xml_tree_doc ('<A />')));
Connected to OpenLink Virtuoso
Driver: 03.00.2310 OpenLink Virtuoso ODBC Driver
callret
VARCHAR
_______________________________________________________________________________

text/plain

1 Rows. -- 95 msec.

See Also

xml_tree_doc()