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XQuery xdmp:unquote

MarkLogic 12 EA 1 Product Documentation
xdmp.unquote

xdmp.unquote(
   arg as String,
   [default-namespace as String?],
   [options as String[]]
) as Sequence

Summary

Parses a string as XML, returning one or more document nodes.

Parameters
arg Input to be unquoted.
default-namespace Default namespace for nodes in the first parameter.
options The options for getting this document. The default value is ().

Options include:

"repair-full"
Specifies that malformed XML content be repaired. XML content with multiple top-level elements will be parsed as multiple documents. This option has no effect on binary or text documents.
"repair-none"
Specifies that malformed XML content be rejected. XML content will be parsed as a single document, so a maximum of one document node will be returned. This option has no effect on binary or text documents.
"format-text"
Specifies to get the document as a text document, regardless of the URI specified.
"format-binary"
Specifies to get the document as a binary document, regardless of the URI specified.
"format-xml"
Specifies to get the document as an XML document, regardless of the URI specified.
"format-json"
Specifies to get the document as a JSON document, regardless of the URI specified.
"default-language=xx"
If the root element node specified in the first parameter does not already have an xml:lang attribute, the language to specify in an xml:lang attribute on the root element node. If default-language is not specified, then nothing is added to the root element node. Some examples are default-language=en and default-language=fr.

Usage Notes

If no format is specified in $options, it is inferred from the input. If the first non-whitespace character is either '{' or '[' it is JSON. Otherwise it is XML.

If neither "repair-full" nor "repair-none" is present, the default is specified by the XQuery version of the caller. In XQuery version 1.0 and 1.0-ml the default is "repair-none". In XQuery version 0.9-ml the default is "repair-full".

If $arg is the empty string, xdmp:unquote returns an empty document node.

Example

fn.head(xdmp.unquote('<foo/>'));
=> <foo/>
  It returns this as a document node.

Example

fn.head(
  xdmp.unquote('<foo>hello</foo>', null,
               ['repair-none', 'default-language=en'])
);

=> <foo xml:lang="en">hello</foo>
   It returns this as a document node and does
   not perform tag repair on the node.

Example

fn.head(
  xdmp.unquote('<foo>hello</foo>', 'bar',
               ['repair-none', 'default-language=en'])
);

=> <foo xml:lang="en" xmlns="bar">hello</foo>
   It returns this as a document node and does
   not perform tag repair on the node.  Note that
   the node is in the "bar" namespace.

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