qt-everywhere-src-5.15.1/qtxmlpatterns/src/xmlpatterns/doc/snippets/code/doc_src_qtxmlpatterns.qdoc

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void wrapInFunction()
{

//! [2]
xmlpatterns myQuery.xq
//! [2]

//! [3]
declare namespace c = "http://cookbook/namespace";
doc('cookbook.xml')//c:recipe/c:title
//! [3]

//! [4]
declare default element namespace "http://cookbook/namespace";
doc('cookbook.xml')//recipe/title
//! [4]

//! [5]
<title xmlns="http://cookbook/namespace">Quick and Easy Mushroom Soup</title>
<title xmlns="http://cookbook/namespace">Cheese on Toast</title>
<title xmlns="http://cookbook/namespace">Hard-Boiled Eggs</title>
//! [5]

//! [6]
xmlpatterns file.xq
//! [6]

//! [7]
doc('cookbook.xml')//@xml:*
//! [7]

//! [8]
doc('cookbook.xml')//@*:name
//! [8]

//! [9]
declare default element namespace "http://cookbook/namespace";
doc('cookbook.xml')/cookbook/@*
//! [9]

//! [10]
declare default element namespace "http://cookbook/namespace";
doc("cookbook.xml")/cookbook/recipe[title = "Hard-Boiled Eggs"]
//! [10]

//! [11]
declare default element namespace "http://cookbook/namespace";
doc('cookbook.xml')//method[string-length(.) = 0]
//! [11]

//! [12]
declare default element namespace "http://cookbook/namespace";
doc('cookbook.xml')//method[string-length() = 0]
//! [12]

//! [13]
declare default element namespace "http://cookbook/namespace";
doc('cookbook.xml')/cookbook/recipe[2]
//! [13]

//! [14]
declare default element namespace "http://cookbook/namespace";
doc('cookbook.xml')/cookbook/recipe[position() = 2]
//! [14]

//! [15]
declare default element namespace "http://cookbook/namespace";
doc('cookbook.xml')/cookbook/recipe[position() > 1]
//! [15]

//! [16]
declare default element namespace "http://cookbook/namespace";
doc('cookbook.xml')/cookbook/recipe[last()]
//! [16]

//! [17]
declare default element namespace "http://cookbook/namespace";
doc('cookbook.xml')/cookbook/recipe[last() - 1]
//! [17]

//! [18]
doc('cookbook.xml')//recipe
//! [18]

//! [19]
doc('cookbook.xml')//recipe/title
//! [19]

//! [20]
<recipe/>
//! [20]

//! [21]
 <html xmlns="http://www.w3.org/1999/xhtml/"
       xml:id="{doc("other.html")/html/@xml:id}"/>
//! [21]

//! [22]
doc('cookbook.xml')/descendant-or-self::element(recipe)/child::element(title)
//! [22]

//! [23]
<cookbook>
//! [23]

//! [24]
<cookbook xmlns="http://cookbook/namespace">
//! [24]

//! [25]
for $i in doc("cookbook.xml")//@xml:*
return <p>{$i}</p>
//! [25]

//! [26]
for $i in doc("cookbook.xml")//@*:name
return <p>{$i}</p>
//! [26]

//! [27]
declare default element namespace "http://cookbook/namespace";
for $i in doc("cookbook.xml")/cookbook/@*
return <p>{$i}</p>
//! [27]

//! [28]
<p xml:id="MushroomSoup"/>
<p xml:id="CheeseOnToast"/>
<p xml:id="HardBoiledEggs"/>
//! [28]

//! [29]
<p name="Fresh mushrooms"/>
<p name="Garlic"/>
<p name="Olive oil"/>
<p name="Milk"/>
<p name="Water"/>
<p name="Cream"/>
<p name="Vegetable soup cube"/>
<p name="Ground black pepper"/>
<p name="Dried parsley"/>
<p name="Bread"/>
<p name="Cheese"/>
<p name="Eggs"/>
//! [29]

//! [30]
<p xmlns="http://cookbook/namespace" count="3"/>
//! [30]

//! [31]
<method xmlns="http://cookbook/namespace"/>
//! [31]

//! [32]
declare default element namespace "http://cookbook/namespace";
doc('cookbook.xml')//recipe[string-length(method) = 0]
//! [32]

//! [33]
<recipe xmlns="http://cookbook/namespace" xml:id="HardBoiledEggs">
    <title>Hard-Boiled Eggs</title>
    <ingredient name="Eggs" quantity="3" unit="eggs"/>
    <time quantity="3" unit="minutes"/>
    <method/>
</recipe>
//! [33]

//! [34]
declare default element namespace "http://cookbook/namespace";
doc('cookbook.xml')/cookbook/recipe[method[empty(step)]]
//! [34]

//! [35]
declare default element namespace "http://cookbook/namespace";
doc('cookbook.xml')/cookbook/recipe[not(normalize-space(method))]
//! [35]

//! [36]
<e>{sum((1, 2, 3))}</e>
//! [36]

//! [37]
<e>6</e>
//! [37]

//![38]
declare variable $insertion := "example";
<p class="important {$insertion} obsolete"/>
//![38]

//! [39]
<p class="important example obsolete"/>
//! [39]

//! [40]
declare default element namespace "http://cookbook/namespace";
let $docURI := 'cookbook.xml'
return if(doc-available($docURI))
       then doc($docURI)//recipe/<oppskrift>{./node()}</oppskrift>
       else <oppskrift>Failed to load {$docURI}</oppskrift>
//! [40]

//! [41]
<span>1</span>
<span>3</span>
<span>5</span>
<span>7</span>
<span>9</span>
<span>b</span>
<span>d</span>
<span>f</span>
//! [41]

//! [42]
<span>1</span>
//! [42]

//! [43]
let $doc := doc('doc.txt')
return $doc/doc/p[1]/span[1]
//! [43]

//! [44]
for $a in doc('doc.txt')/doc/p/span[1]
return $a
//! [44]

//! [45]
doc('doc.txt')/doc/p/span[1]
//! [45]

//! [46]
doc('doc.txt')//p/<p>{span/node()}</p>
//! [46]

//! [47]
<p>78</p>
<p>9a</p>
<p>12</p>
<p>bc</p>
<p>de</p>
<p>34</p>
<p>56</p>
<p>f0</p>
//! [47]

//! [48]
for $a in doc('doc.txt')//p
 return <p>{$a/span/node()}</p>
//! [48]

//! [49]
<p>12</p>
<p>34</p>
<p>56</p>
<p>78</p>
<p>9a</p>
<p>bc</p>
<p>de</p>
<p>f0</p>
//! [49]

}