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1 <!doctype html>
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2
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3 <title>CodeMirror: XQuery mode</title>
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4 <meta charset="utf-8"/>
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5 <link rel=stylesheet href="../../doc/docs.css">
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6
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7 <link rel="stylesheet" href="../../lib/codemirror.css">
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8 <link rel="stylesheet" href="../../theme/xq-dark.css">
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9 <script src="../../lib/codemirror.js"></script>
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10 <script src="../../addon/edit/matchbrackets.js"></script>
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11 <script src="xquery.js"></script>
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12 <style>
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13 .CodeMirror {
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14 border-top: 1px solid black; border-bottom: 1px solid black;
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15 height:400px;
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16 }
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17 </style>
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18 <div id=nav>
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19 <a href="https://codemirror.net/5"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png" alt=""></a>
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20
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21 <ul>
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22 <li><a href="../../index.html">Home</a>
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23 <li><a href="../../doc/manual.html">Manual</a>
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24 <li><a href="https://github.com/codemirror/codemirror5">Code</a>
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25 </ul>
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26 <ul>
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27 <li><a href="../index.html">Language modes</a>
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28 <li><a class=active href="#">XQuery</a>
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29 </ul>
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30 </div>
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31
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32 <article>
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33 <h2>XQuery mode</h2>
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34
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35
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36 <div class="cm-s-default">
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37 <textarea id="code" name="code">
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38 xquery version "1.0-ml";
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39 (: this is
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40 : a
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41 "comment" :)
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42 let $let := <x attr="value">"test"<func>function() $var {function()} {$var}</func></x>
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43 let $joe:=1
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44 return element element {
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45 attribute attribute { 1 },
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46 element test { 'a' },
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47 attribute foo { "bar" },
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48 fn:doc()[ foo/@bar eq $let ],
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49 //x }
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50
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51 (: a more 'evil' test :)
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52 (: Modified Blakeley example (: with nested comment :) ... :)
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53 declare private function local:declare() {()};
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54 declare private function local:private() {()};
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55 declare private function local:function() {()};
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56 declare private function local:local() {()};
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57 let $let := <let>let $let := "let"</let>
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58 return element element {
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59 attribute attribute { try { xdmp:version() } catch($e) { xdmp:log($e) } },
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60 attribute fn:doc { "bar" castable as xs:string },
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61 element text { text { "text" } },
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62 fn:doc()[ child::eq/(@bar | attribute::attribute) eq $let ],
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63 //fn:doc
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64 }
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65
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66
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67
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68 xquery version "1.0-ml";
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69
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70 (: Copyright 2006-2010 Mark Logic Corporation. :)
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71
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72 (:
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73 : Licensed under the Apache License, Version 2.0 (the "License");
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74 : you may not use this file except in compliance with the License.
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75 : You may obtain a copy of the License at
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76 :
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77 : http://www.apache.org/licenses/LICENSE-2.0
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78 :
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79 : Unless required by applicable law or agreed to in writing, software
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80 : distributed under the License is distributed on an "AS IS" BASIS,
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81 : WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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82 : See the License for the specific language governing permissions and
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83 : limitations under the License.
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84 :)
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85
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86 module namespace json = "http://marklogic.com/json";
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87 declare default function namespace "http://www.w3.org/2005/xpath-functions";
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88
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89 (: Need to backslash escape any double quotes, backslashes, and newlines :)
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90 declare function json:escape($s as xs:string) as xs:string {
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91 let $s := replace($s, "\\", "\\\\")
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92 let $s := replace($s, """", "\\""")
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93 let $s := replace($s, codepoints-to-string((13, 10)), "\\n")
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94 let $s := replace($s, codepoints-to-string(13), "\\n")
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95 let $s := replace($s, codepoints-to-string(10), "\\n")
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96 return $s
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97 };
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98
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99 declare function json:atomize($x as element()) as xs:string {
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100 if (count($x/node()) = 0) then 'null'
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101 else if ($x/@type = "number") then
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102 let $castable := $x castable as xs:float or
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103 $x castable as xs:double or
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104 $x castable as xs:decimal
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105 return
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106 if ($castable) then xs:string($x)
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107 else error(concat("Not a number: ", xdmp:describe($x)))
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108 else if ($x/@type = "boolean") then
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109 let $castable := $x castable as xs:boolean
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110 return
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111 if ($castable) then xs:string(xs:boolean($x))
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112 else error(concat("Not a boolean: ", xdmp:describe($x)))
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113 else concat('"', json:escape($x), '"')
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114 };
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115
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116 (: Print the thing that comes after the colon :)
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117 declare function json:print-value($x as element()) as xs:string {
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118 if (count($x/*) = 0) then
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119 json:atomize($x)
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120 else if ($x/@quote = "true") then
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121 concat('"', json:escape(xdmp:quote($x/node())), '"')
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122 else
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123 string-join(('{',
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124 string-join(for $i in $x/* return json:print-name-value($i), ","),
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125 '}'), "")
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126 };
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127
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128 (: Print the name and value both :)
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129 declare function json:print-name-value($x as element()) as xs:string? {
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130 let $name := name($x)
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131 let $first-in-array :=
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132 count($x/preceding-sibling::*[name(.) = $name]) = 0 and
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133 (count($x/following-sibling::*[name(.) = $name]) > 0 or $x/@array = "true")
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134 let $later-in-array := count($x/preceding-sibling::*[name(.) = $name]) > 0
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135 return
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136
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137 if ($later-in-array) then
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138 () (: I was handled previously :)
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139 else if ($first-in-array) then
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140 string-join(('"', json:escape($name), '":[',
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141 string-join((for $i in ($x, $x/following-sibling::*[name(.) = $name]) return json:print-value($i)), ","),
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142 ']'), "")
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143 else
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144 string-join(('"', json:escape($name), '":', json:print-value($x)), "")
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145 };
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146
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147 (:~
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148 Transforms an XML element into a JSON string representation. See http://json.org.
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149 <p/>
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150 Sample usage:
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151 <pre>
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152 xquery version "1.0-ml";
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153 import module namespace json="http://marklogic.com/json" at "json.xqy";
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154 json:serialize(&lt;foo&gt;&lt;bar&gt;kid&lt;/bar&gt;&lt;/foo&gt;)
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155 </pre>
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156 Sample transformations:
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157 <pre>
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158 &lt;e/&gt; becomes {"e":null}
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159 &lt;e&gt;text&lt;/e&gt; becomes {"e":"text"}
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160 &lt;e&gt;quote " escaping&lt;/e&gt; becomes {"e":"quote \" escaping"}
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161 &lt;e&gt;backslash \ escaping&lt;/e&gt; becomes {"e":"backslash \\ escaping"}
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162 &lt;e&gt;&lt;a&gt;text1&lt;/a&gt;&lt;b&gt;text2&lt;/b&gt;&lt;/e&gt; becomes {"e":{"a":"text1","b":"text2"}}
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163 &lt;e&gt;&lt;a&gt;text1&lt;/a&gt;&lt;a&gt;text2&lt;/a&gt;&lt;/e&gt; becomes {"e":{"a":["text1","text2"]}}
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164 &lt;e&gt;&lt;a array="true"&gt;text1&lt;/a&gt;&lt;/e&gt; becomes {"e":{"a":["text1"]}}
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165 &lt;e&gt;&lt;a type="boolean"&gt;false&lt;/a&gt;&lt;/e&gt; becomes {"e":{"a":false}}
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166 &lt;e&gt;&lt;a type="number"&gt;123.5&lt;/a&gt;&lt;/e&gt; becomes {"e":{"a":123.5}}
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167 &lt;e quote="true"&gt;&lt;div attrib="value"/&gt;&lt;/e&gt; becomes {"e":"&lt;div attrib=\"value\"/&gt;"}
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168 </pre>
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169 <p/>
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170 Namespace URIs are ignored. Namespace prefixes are included in the JSON name.
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171 <p/>
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172 Attributes are ignored, except for the special attribute @array="true" that
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173 indicates the JSON serialization should write the node, even if single, as an
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174 array, and the attribute @type that can be set to "boolean" or "number" to
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175 dictate the value should be written as that type (unquoted). There's also
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176 an @quote attribute that when set to true writes the inner content as text
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177 rather than as structured JSON, useful for sending some XHTML over the
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178 wire.
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179 <p/>
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180 Text nodes within mixed content are ignored.
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181
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182 @param $x Element node to convert
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183 @return String holding JSON serialized representation of $x
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184
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185 @author Jason Hunter
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186 @version 1.0.1
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187
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188 Ported to xquery 1.0-ml; double escaped backslashes in json:escape
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189 :)
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190 declare function json:serialize($x as element()) as xs:string {
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191 string-join(('{', json:print-name-value($x), '}'), "")
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192 };
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193 </textarea>
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194 </div>
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195
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196 <script>
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197 var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
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198 lineNumbers: true,
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199 matchBrackets: true,
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200 theme: "xq-dark"
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201 });
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202 </script>
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203
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204 <p><strong>MIME types defined:</strong> <code>application/xquery</code>.</p>
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205
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206 <p>Development of the CodeMirror XQuery mode was sponsored by
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207 <a href="http://marklogic.com">MarkLogic</a> and developed by
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208 <a href="https://twitter.com/mbrevoort">Mike Brevoort</a>.
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209 </p>
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210
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211 </article>
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