Difference between revisions of "API:EPrints/MetaField/Base64"
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Revision as of 17:12, 20 March 2023
EPrints 3 Reference: Directory Structure - Metadata Fields - Repository Configuration - XML Config Files - XML Export Format - EPrints data structure - Core API - Data Objects
Latest Source Code (3.4, 3.3) | Revision Log | Before editing this page please read Pod2Wiki
Contents
NAME
EPrints::MetaField::Base64 - Base 64 encoded data
DESCRIPTION
Data encoded in base64. This may be small files (e.g. kilobytes) better save in the database rather than to the filesystem.
INHERITANCE
MetaField Text Longtext Base64
PROPERTIES
To be written
METHODS
form_value
$value = $field->form_value( $session, $object, [$prefix] )
Base64 encode the CGI parameter submitted within the form for this particular field. Assuming the from contained such an input field.
Returns a single scalar or array of base64 encoded values.
to_sax
$xml = $field->to_sax( $value, %opts )
Print the field and value(s) as an XML representation of a base64 field.
get_xml_schema_type
$type = $field->get_xml_schema_type
Gets the XML schema type for this base64 field.
Returns a string containing the type, dataset ID and and name of this field (e.g. base64_file_data).
render_xml_schema_type
$type = $field->render_xml_schema_type
Produces an XML fragment this base64 field.
Returns a DOM for the following:
<xs:complexType name="base64_file_data">
<xs:simpleContent>
<xs:extension base="xs:base64Binary">
<xs:attribute name="encoding">
<xs:simpleType>
<xs:restriction base="xs:string">
<xs:enumeration value="base64" />
</xs:restriction>
</xs:simpleType>
</xs:attribute>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
E.g., <data encoding="base64">...</data>
COPYRIGHT
© Copyright 2000-2024 University of Southampton.
EPrints 3.4 is supplied by EPrints Services.
http://www.eprints.org/eprints-3.4/
LICENSE
This file is part of EPrints 3.4 http://www.eprints.org/.
EPrints 3.4 and this file are released under the terms of the GNU Lesser General Public License version 3 as published by the Free Software Foundation unless otherwise stated.
EPrints 3.4 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with EPrints 3.4. If not, see http://www.gnu.org/licenses/.
