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<!doctype html>
<title>CodeMirror: XQuery mode</title>
<meta charset="utf-8"/>
<link rel=stylesheet href="../../doc/docs.css">
<link rel="stylesheet" href="../../lib/codemirror.css">
<link rel="stylesheet" href="../../theme/xq-dark.css">
<script src="../../lib/codemirror.js"></script>
<script src="xquery.js"></script>
<style type="text/css">
.CodeMirror {
border-top: 1px solid black; border-bottom: 1px solid black;
height:400px;
}
</style>
<div id=nav>
<a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a>
<ul>
<li><a href="../../index.html">Home</a>
<li><a href="../../doc/manual.html">Manual</a>
<li><a href="https://github.com/codemirror/codemirror">Code</a>
</ul>
<ul>
<li><a href="../index.html">Language modes</a>
<li><a class=active href="#">XQuery</a>
</ul>
</div>
<article>
<h2>XQuery mode</h2>
<div class="cm-s-default">
<textarea id="code" name="code">
xquery version &quot;1.0-ml&quot;;
(: this is
: a
"comment" :)
let $let := &lt;x attr=&quot;value&quot;&gt;&quot;test&quot;&lt;func&gt;function() $var {function()} {$var}&lt;/func&gt;&lt;/x&gt;
let $joe:=1
return element element {
attribute attribute { 1 },
element test { &#39;a&#39; },
attribute foo { &quot;bar&quot; },
fn:doc()[ foo/@bar eq $let ],
//x }
(: a more 'evil' test :)
(: Modified Blakeley example (: with nested comment :) ... :)
declare private function local:declare() {()};
declare private function local:private() {()};
declare private function local:function() {()};
declare private function local:local() {()};
let $let := &lt;let&gt;let $let := &quot;let&quot;&lt;/let&gt;
return element element {
attribute attribute { try { xdmp:version() } catch($e) { xdmp:log($e) } },
attribute fn:doc { &quot;bar&quot; castable as xs:string },
element text { text { &quot;text&quot; } },
fn:doc()[ child::eq/(@bar | attribute::attribute) eq $let ],
//fn:doc
}
xquery version &quot;1.0-ml&quot;;
(: Copyright 2006-2010 Mark Logic Corporation. :)
(:
: Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
: you may not use this file except in compliance with the License.
: You may obtain a copy of the License at
:
: http://www.apache.org/licenses/LICENSE-2.0
:
: Unless required by applicable law or agreed to in writing, software
: distributed under the License is distributed on an &quot;AS IS&quot; BASIS,
: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
: See the License for the specific language governing permissions and
: limitations under the License.
:)
module namespace json = &quot;http://marklogic.com/json&quot;;
declare default function namespace &quot;http://www.w3.org/2005/xpath-functions&quot;;
(: Need to backslash escape any double quotes, backslashes, and newlines :)
declare function json:escape($s as xs:string) as xs:string {
let $s := replace($s, &quot;\\&quot;, &quot;\\\\&quot;)
let $s := replace($s, &quot;&quot;&quot;&quot;, &quot;\\&quot;&quot;&quot;)
let $s := replace($s, codepoints-to-string((13, 10)), &quot;\\n&quot;)
let $s := replace($s, codepoints-to-string(13), &quot;\\n&quot;)
let $s := replace($s, codepoints-to-string(10), &quot;\\n&quot;)
return $s
};
declare function json:atomize($x as element()) as xs:string {
if (count($x/node()) = 0) then 'null'
else if ($x/@type = &quot;number&quot;) then
let $castable := $x castable as xs:float or
$x castable as xs:double or
$x castable as xs:decimal
return
if ($castable) then xs:string($x)
else error(concat(&quot;Not a number: &quot;, xdmp:describe($x)))
else if ($x/@type = &quot;boolean&quot;) then
let $castable := $x castable as xs:boolean
return
if ($castable) then xs:string(xs:boolean($x))
else error(concat(&quot;Not a boolean: &quot;, xdmp:describe($x)))
else concat('&quot;', json:escape($x), '&quot;')
};
(: Print the thing that comes after the colon :)
declare function json:print-value($x as element()) as xs:string {
if (count($x/*) = 0) then
json:atomize($x)
else if ($x/@quote = &quot;true&quot;) then
concat('&quot;', json:escape(xdmp:quote($x/node())), '&quot;')
else
string-join(('{',
string-join(for $i in $x/* return json:print-name-value($i), &quot;,&quot;),
'}'), &quot;&quot;)
};
(: Print the name and value both :)
declare function json:print-name-value($x as element()) as xs:string? {
let $name := name($x)
let $first-in-array :=
count($x/preceding-sibling::*[name(.) = $name]) = 0 and
(count($x/following-sibling::*[name(.) = $name]) &gt; 0 or $x/@array = &quot;true&quot;)
let $later-in-array := count($x/preceding-sibling::*[name(.) = $name]) &gt; 0
return
if ($later-in-array) then
() (: I was handled previously :)
else if ($first-in-array) then
string-join(('&quot;', json:escape($name), '&quot;:[',
string-join((for $i in ($x, $x/following-sibling::*[name(.) = $name]) return json:print-value($i)), &quot;,&quot;),
']'), &quot;&quot;)
else
string-join(('&quot;', json:escape($name), '&quot;:', json:print-value($x)), &quot;&quot;)
};
(:~
Transforms an XML element into a JSON string representation. See http://json.org.
&lt;p/&gt;
Sample usage:
&lt;pre&gt;
xquery version &quot;1.0-ml&quot;;
import module namespace json=&quot;http://marklogic.com/json&quot; at &quot;json.xqy&quot;;
json:serialize(&amp;lt;foo&amp;gt;&amp;lt;bar&amp;gt;kid&amp;lt;/bar&amp;gt;&amp;lt;/foo&amp;gt;)
&lt;/pre&gt;
Sample transformations:
&lt;pre&gt;
&amp;lt;e/&amp;gt; becomes {&quot;e&quot;:null}
&amp;lt;e&amp;gt;text&amp;lt;/e&amp;gt; becomes {&quot;e&quot;:&quot;text&quot;}
&amp;lt;e&amp;gt;quote &quot; escaping&amp;lt;/e&amp;gt; becomes {&quot;e&quot;:&quot;quote \&quot; escaping&quot;}
&amp;lt;e&amp;gt;backslash \ escaping&amp;lt;/e&amp;gt; becomes {&quot;e&quot;:&quot;backslash \\ escaping&quot;}
&amp;lt;e&amp;gt;&amp;lt;a&amp;gt;text1&amp;lt;/a&amp;gt;&amp;lt;b&amp;gt;text2&amp;lt;/b&amp;gt;&amp;lt;/e&amp;gt; becomes {&quot;e&quot;:{&quot;a&quot;:&quot;text1&quot;,&quot;b&quot;:&quot;text2&quot;}}
&amp;lt;e&amp;gt;&amp;lt;a&amp;gt;text1&amp;lt;/a&amp;gt;&amp;lt;a&amp;gt;text2&amp;lt;/a&amp;gt;&amp;lt;/e&amp;gt; becomes {&quot;e&quot;:{&quot;a&quot;:[&quot;text1&quot;,&quot;text2&quot;]}}
&amp;lt;e&amp;gt;&amp;lt;a array=&quot;true&quot;&amp;gt;text1&amp;lt;/a&amp;gt;&amp;lt;/e&amp;gt; becomes {&quot;e&quot;:{&quot;a&quot;:[&quot;text1&quot;]}}
&amp;lt;e&amp;gt;&amp;lt;a type=&quot;boolean&quot;&amp;gt;false&amp;lt;/a&amp;gt;&amp;lt;/e&amp;gt; becomes {&quot;e&quot;:{&quot;a&quot;:false}}
&amp;lt;e&amp;gt;&amp;lt;a type=&quot;number&quot;&amp;gt;123.5&amp;lt;/a&amp;gt;&amp;lt;/e&amp;gt; becomes {&quot;e&quot;:{&quot;a&quot;:123.5}}
&amp;lt;e quote=&quot;true&quot;&amp;gt;&amp;lt;div attrib=&quot;value&quot;/&amp;gt;&amp;lt;/e&amp;gt; becomes {&quot;e&quot;:&quot;&amp;lt;div attrib=\&quot;value\&quot;/&amp;gt;&quot;}
&lt;/pre&gt;
&lt;p/&gt;
Namespace URIs are ignored. Namespace prefixes are included in the JSON name.
&lt;p/&gt;
Attributes are ignored, except for the special attribute @array=&quot;true&quot; that
indicates the JSON serialization should write the node, even if single, as an
array, and the attribute @type that can be set to &quot;boolean&quot; or &quot;number&quot; to
dictate the value should be written as that type (unquoted). There's also
an @quote attribute that when set to true writes the inner content as text
rather than as structured JSON, useful for sending some XHTML over the
wire.
&lt;p/&gt;
Text nodes within mixed content are ignored.
@param $x Element node to convert
@return String holding JSON serialized representation of $x
@author Jason Hunter
@version 1.0.1
Ported to xquery 1.0-ml; double escaped backslashes in json:escape
:)
declare function json:serialize($x as element()) as xs:string {
string-join(('{', json:print-name-value($x), '}'), &quot;&quot;)
};
</textarea>
</div>
<script>
var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
lineNumbers: true,
matchBrackets: true,
theme: "xq-dark"
});
</script>
<p><strong>MIME types defined:</strong> <code>application/xquery</code>.</p>
<p>Development of the CodeMirror XQuery mode was sponsored by
<a href="http://marklogic.com">MarkLogic</a> and developed by
<a href="https://twitter.com/mbrevoort">Mike Brevoort</a>.
</p>
</article>
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