Handle XML documents.
NOTE: The simplexml module can also be used to parse XML documents.

Availability

xml()

Get an XML object, which provides XML reader.

Return value

XML Object

XML Reader

Provided by the XML Object, used to read and parse XML data.

xml:create_reader()

Create an XML reader for a given stream.

Parameters

• stream Stream object

Return value

XML Reader object

reader:next_node()

Get information about the next node in the XML document.

Return value

Returns two values:

• type Integer; 0 on none or error, 1 on start of XML element, 2 on end of XML element, 3 on text
• name Name of XML node (not returned when type <= 0)

reader:next_attr()

Get information about the next attribute in an XML document.

Return value

Returns two values on success nil otherwise:

• name String containing the name of the attribute
• value String containing the value of the attribute

reader:node_empty()

Determine whether the previous invocation of reader:next_node() refers to an empty node.

Return value

Integer value: -2 on failure, 1 on empty node, 0 on non-empty node