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<h2><font size="-1">Saxon.Api</font><br>Class QName
</h2>
<hr>
<dl>
<dt><pre>public class QName</pre></dt>
<dt> implements <a href="http://msdn.microsoft.com/en-us/library/system.object(VS.80).aspx">object</a></dt>
</dl>
<dl>
<dd>
<p>
The QName class represents an instance of xs:QName, as defined in the XPath 2.0
data model. Internally, it has three components, a namespace URI, a local name, and
a prefix. The prefix is intended to be used only when converting the value back to
a string.
</p>
<p>
Note that a QName is not itself an <code>XdmItem</code> in this model; however it can
be wrapped in an XdmItem.
</p>
</dd>
</dl>
<hr><a name="constructor_summary"></a><table border="1" width="100%" cellpadding="3" cellspacing="0" summary="">
<tr border="#ccccff" class="TableHeadingColor">
<th align="left" colspan="2"><font size="+2"><b>Constructor Summary</b></font></th>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td><code><b><a href="#QName(string)">QName</a></b>(<a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> local)</code><p>
Construct a QName representing a name in no namespace
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td><code><b><a href="#QName(string,string)">QName</a></b>(<a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> uri, <a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> lexical)</code><p>
Construct a QName using a namespace URI and a lexical representation.
The lexical representation may be a local name on its own, or it may
be in the form <code>prefix:local-name</code>
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td><code><b><a href="#QName(string,string,string)">QName</a></b>(<a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> prefix, <a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> uri, <a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> local)</code><p>
Construct a QName using a namespace prefix, a namespace URI, and a local name
(in that order).
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td><code><b><a href="#QName(string,Saxon.Api.XdmNode)">QName</a></b>(<a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> lexicalQName, <a href="XdmNode.html">XdmNode</a> element)</code><p>
Construct a QName from a lexical QName, supplying an element node whose
in-scope namespaces are to be used to resolve any prefix contained in the QName.
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td><code><b><a href="#QName(System.Xml.XmlQualifiedName)">QName</a></b>(System.Xml.XmlQualifiedName qualifiedName)</code><p>
Construct a <code>QName</code> from an <code>XmlQualifiedName</code> (as defined in the
<code>System.Xml</code> package).
</p>
</td>
</tr>
</table> <a name="property_summary"></a><table border="1" width="100%" cellpadding="3" cellspacing="0" summary="">
<tr border="#ccccff" class="TableHeadingColor">
<th align="left" colspan="2"><font size="+2"><b>Property Summary</b></font></th>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%">static<code> <a href="QName.html">QName</a></code></td>
<td><code><b><a href="#XS_STRING">XS_STRING</a></b></code></td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%">static<code> <a href="QName.html">QName</a></code></td>
<td><code><b><a href="#XS_INTEGER">XS_INTEGER</a></b></code></td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%">static<code> <a href="QName.html">QName</a></code></td>
<td><code><b><a href="#XS_DOUBLE">XS_DOUBLE</a></b></code></td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%">static<code> <a href="QName.html">QName</a></code></td>
<td><code><b><a href="#XS_FLOAT">XS_FLOAT</a></b></code></td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%">static<code> <a href="QName.html">QName</a></code></td>
<td><code><b><a href="#XS_DECIMAL">XS_DECIMAL</a></b></code></td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%">static<code> <a href="QName.html">QName</a></code></td>
<td><code><b><a href="#XS_BOOLEAN">XS_BOOLEAN</a></b></code></td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%">static<code> <a href="QName.html">QName</a></code></td>
<td><code><b><a href="#XS_ANYURI">XS_ANYURI</a></b></code></td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%">static<code> <a href="QName.html">QName</a></code></td>
<td><code><b><a href="#XS_QNAME">XS_QNAME</a></b></code></td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%">static<code> <a href="QName.html">QName</a></code></td>
<td><code><b><a href="#XS_UNTYPED_ATOMIC">XS_UNTYPED_ATOMIC</a></b></code></td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%">static<code> <a href="QName.html">QName</a></code></td>
<td><code><b><a href="#XDT_UNTYPED_ATOMIC">XDT_UNTYPED_ATOMIC</a></b></code></td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> <a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">String</a></code></td>
<td><code><b><a href="#Prefix">Prefix</a></b></code><p>The prefix of the QName. This plays no role in operations such as comparison
of QNames for equality, but is retained (as specified in XPath) so that a string representation
can be reconstructed.
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> <a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">String</a></code></td>
<td><code><b><a href="#Uri">Uri</a></b></code><p>The namespace URI of the QName. Returns "" (the zero-length string) if the
QName is not in a namespace.
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> <a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">String</a></code></td>
<td><code><b><a href="#LocalName">LocalName</a></b></code><p>The local part of the QName</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> <a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">String</a></code></td>
<td><code><b><a href="#ClarkName">ClarkName</a></b></code><p>The expanded name, as a string using the notation devised by James Clark.
If the name is in a namespace, the resulting string takes the form <code>{uri}local</code>.
Otherwise, the value is the local part of the name.
</p>
</td>
</tr>
</table> <a name="method_summary"></a><table border="1" width="100%" cellpadding="3" cellspacing="0" summary="">
<tr border="#ccccff" class="TableHeadingColor">
<th align="left" colspan="2"><font size="+2"><b>Method Summary</b></font></th>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%">static<code> <a href="QName.html">QName</a></code></td>
<td><code><b><a href="#FromClarkName(string)">FromClarkName</a></b>(<a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> expandedName)</code><p>
Factory method to construct a QName from a string containing the expanded
QName in Clark notation, that is, <code>{uri}local</code>
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> void</code></td>
<td><code><b><a href="#Register(Saxon.Api.Processor)">Register</a></b>(<a href="Processor.html">Processor</a> processor)</code><p>
Register a QName with the <code>Processor</code>. This makes comparison faster
when the QName is compared with others that are also registered with the <code>Processor</code>.
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> <a href="http://msdn.microsoft.com/en-us/library/system.boolean(VS.80).aspx">bool</a></code></td>
<td><code><b><a href="#IsValid(Saxon.Api.Processor)">IsValid</a></b>(<a href="Processor.html">Processor</a> processor)</code><p>
Validate the QName against the XML 1.0 or XML 1.1 rules for valid names.
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> <a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">String</a></code></td>
<td><code><b><a href="#ToString()">ToString</a></b>()</code><p>
Convert the value to a string. The resulting string is the lexical form of the QName,
using the original prefix if there was one.
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> <a href="http://msdn.microsoft.com/en-us/library/system.int32(VS.80).aspx">int</a></code></td>
<td><code><b><a href="#GetHashCode()">GetHashCode</a></b>()</code><p>
Get a hash code for the QName, to support equality matching. This supports the
semantics of equality, which considers only the namespace URI and local name, and
not the prefix.
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> <a href="http://msdn.microsoft.com/en-us/library/system.boolean(VS.80).aspx">bool</a></code></td>
<td><code><b><a href="#Equals(object)">Equals</a></b>(<a href="http://msdn.microsoft.com/en-us/library/system.object(VS.80).aspx">object</a> other)</code><p>
Test whether two QNames are equal. This supports the
semantics of equality, which considers only the namespace URI and local name, and
not the prefix.
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> XmlQualifiedName</code></td>
<td><code><b><a href="#ToXmlQualifiedName()">ToXmlQualifiedName</a></b>()</code><p>
Convert the value to an <code>XmlQualifiedName</code> (as defined in the
<code>System.Xml</code> package)
</p>
</td>
</tr>
</table> <a name="constructor_detail"></a><table border="1" width="100%" cellpadding="3" cellspacing="0" summary="">
<tr border="#ccccff" class="TableHeadingColor">
<th align="left" colspan="2"><font size="+2"><b>Constructor Detail</b></font></th>
</tr>
</table><a name="QName(string)"></a><h3>QName</h3><pre>public <b>QName</b>(<a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> local)</pre><dl>
<dd>
<p>
Construct a QName representing a name in no namespace
</p>
<p>
This constructor does not check that the components of the QName are
lexically valid.
</p><b>Parameters:</b><dl>
<dt><code>local</code> -
</dt>
<dd>The local part of the name
</dd>
</dl>
</dd>
</dl>
<hr><a name="QName(string,string)"></a><h3>QName</h3><pre>public <b>QName</b>(<a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> uri,
<a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> lexical)</pre><dl>
<dd>
<p>
Construct a QName using a namespace URI and a lexical representation.
The lexical representation may be a local name on its own, or it may
be in the form <code>prefix:local-name</code>
</p>
<p>
This constructor does not check that the components of the QName are
lexically valid.
</p><b>Parameters:</b><dl>
<dt><code>uri</code> -
</dt>
<dd>The namespace URI. Use either the string "" or null
for names that are not in any namespace.
</dd>
</dl>
<dl>
<dt><code>lexical</code> -
</dt>
<dd>Either the local part of the name, or the prefix
and local part in the format <code>prefix:local</code>
</dd>
</dl>
</dd>
</dl>
<hr><a name="QName(string,string,string)"></a><h3>QName</h3><pre>public <b>QName</b>(<a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> prefix,
<a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> uri,
<a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> local)</pre><dl>
<dd>
<p>
Construct a QName using a namespace prefix, a namespace URI, and a local name
(in that order).
</p>
<p>
This constructor does not check that the components of the QName are
lexically valid.
</p><b>Parameters:</b><dl>
<dt><code>prefix</code> -
</dt>
<dd>The prefix of the name. Use either the string ""
or null for names that have no prefix (that is, they are in the default
namespace)
</dd>
</dl>
<dl>
<dt><code>uri</code> -
</dt>
<dd>The namespace URI. Use either the string "" or null
for names that are not in any namespace.
</dd>
</dl>
<dl>
<dt><code>local</code> -
</dt>
<dd>The local part of the name</dd>
</dl>
</dd>
</dl>
<hr><a name="QName(string,Saxon.Api.XdmNode)"></a><h3>QName</h3><pre>public <b>QName</b>(<a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> lexicalQName,
<a href="XdmNode.html">XdmNode</a> element)</pre><dl>
<dd>
<p>
Construct a QName from a lexical QName, supplying an element node whose
in-scope namespaces are to be used to resolve any prefix contained in the QName.
</p>
<p>This constructor checks that the components of the QName are
lexically valid.
</p>
<p>If the lexical QName has no prefix, the name is considered to be in the
default namespace, as defined by <code>xmlns="..."</code>.
</p>
<p>If the prefix of the lexical QName is not in scope, returns null.</p>
<b>Parameters:</b><dl>
<dt><code>lexicalQName</code> -
</dt>
<dd>The lexical QName, in the form <code>prefix:local</code>
or simply <code>local</code>.
</dd>
</dl>
<dl>
<dt><code>element</code> -
</dt>
<dd>The element node whose in-scope namespaces are to be used
to resolve the prefix part of the lexical QName.
</dd>
</dl>
</dd>
</dl>
<hr><a name="QName(System.Xml.XmlQualifiedName)"></a><h3>QName</h3><pre>public <b>QName</b>(System.Xml.XmlQualifiedName qualifiedName)</pre><dl>
<dd>
<p>
Construct a <code>QName</code> from an <code>XmlQualifiedName</code> (as defined in the
<code>System.Xml</code> package).
</p>
<p>
Note that an <code>XmlQualifiedName</code> does not contain any prefix, so the result
will always have a prefix of ""
</p><b>Parameters:</b><dl>
<dt><code>qualifiedName</code> -
</dt>
<dd>The XmlQualifiedName</dd>
</dl>
</dd>
</dl>
<hr><a name="property_detail"></a><table border="1" width="100%" cellpadding="3" cellspacing="0" summary="">
<tr border="#ccccff" class="TableHeadingColor">
<th align="left" colspan="2"><font size="+2"><b>Property Detail</b></font></th>
</tr>
</table><a name="XS_STRING"></a><h3>XS_STRING</h3><pre>public static readonly <a href="QName.html">QName</a> <b>XS_STRING</b> {}</pre><dl>
<dd></dd>
</dl>
<hr><a name="XS_INTEGER"></a><h3>XS_INTEGER</h3><pre>public static readonly <a href="QName.html">QName</a> <b>XS_INTEGER</b> {}</pre><dl>
<dd></dd>
</dl>
<hr><a name="XS_DOUBLE"></a><h3>XS_DOUBLE</h3><pre>public static readonly <a href="QName.html">QName</a> <b>XS_DOUBLE</b> {}</pre><dl>
<dd></dd>
</dl>
<hr><a name="XS_FLOAT"></a><h3>XS_FLOAT</h3><pre>public static readonly <a href="QName.html">QName</a> <b>XS_FLOAT</b> {}</pre><dl>
<dd></dd>
</dl>
<hr><a name="XS_DECIMAL"></a><h3>XS_DECIMAL</h3><pre>public static readonly <a href="QName.html">QName</a> <b>XS_DECIMAL</b> {}</pre><dl>
<dd></dd>
</dl>
<hr><a name="XS_BOOLEAN"></a><h3>XS_BOOLEAN</h3><pre>public static readonly <a href="QName.html">QName</a> <b>XS_BOOLEAN</b> {}</pre><dl>
<dd></dd>
</dl>
<hr><a name="XS_ANYURI"></a><h3>XS_ANYURI</h3><pre>public static readonly <a href="QName.html">QName</a> <b>XS_ANYURI</b> {}</pre><dl>
<dd></dd>
</dl>
<hr><a name="XS_QNAME"></a><h3>XS_QNAME</h3><pre>public static readonly <a href="QName.html">QName</a> <b>XS_QNAME</b> {}</pre><dl>
<dd></dd>
</dl>
<hr><a name="XS_UNTYPED_ATOMIC"></a><h3>XS_UNTYPED_ATOMIC</h3><pre>public static readonly <a href="QName.html">QName</a> <b>XS_UNTYPED_ATOMIC</b> {}</pre><dl>
<dd></dd>
</dl>
<hr><a name="XDT_UNTYPED_ATOMIC"></a><h3>XDT_UNTYPED_ATOMIC</h3><pre>public static readonly <a href="QName.html">QName</a> <b>XDT_UNTYPED_ATOMIC</b> {}</pre><dl>
<dd></dd>
</dl>
<hr><a name="Prefix"></a><h3>Prefix</h3><pre>public <a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">String</a> <b>Prefix</b> {get; }</pre><dl>
<dd>
<p>The prefix of the QName. This plays no role in operations such as comparison
of QNames for equality, but is retained (as specified in XPath) so that a string representation
can be reconstructed.
</p>
<p>
Returns the zero-length string in the case of a QName that has no prefix.
</p>
</dd>
</dl>
<hr><a name="Uri"></a><h3>Uri</h3><pre>public <a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">String</a> <b>Uri</b> {get; }</pre><dl>
<dd>
<p>The namespace URI of the QName. Returns "" (the zero-length string) if the
QName is not in a namespace.
</p>
</dd>
</dl>
<hr><a name="LocalName"></a><h3>LocalName</h3><pre>public <a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">String</a> <b>LocalName</b> {get; }</pre><dl>
<dd>
<p>The local part of the QName</p>
</dd>
</dl>
<hr><a name="ClarkName"></a><h3>ClarkName</h3><pre>public <a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">String</a> <b>ClarkName</b> {get; }</pre><dl>
<dd>
<p>The expanded name, as a string using the notation devised by James Clark.
If the name is in a namespace, the resulting string takes the form <code>{uri}local</code>.
Otherwise, the value is the local part of the name.
</p>
</dd>
</dl>
<hr><a name="method_detail"></a><table border="1" width="100%" cellpadding="3" cellspacing="0" summary="">
<tr border="#ccccff" class="TableHeadingColor">
<th align="left" colspan="2"><font size="+2"><b>Method Detail</b></font></th>
</tr>
</table><a name="FromClarkName(string)"></a><h3>FromClarkName</h3><pre>public static <a href="QName.html">QName</a> <b>FromClarkName</b>(<a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> expandedName)</pre><dl>
<dd>
<p>
Factory method to construct a QName from a string containing the expanded
QName in Clark notation, that is, <code>{uri}local</code>
</p>
<p>
The prefix part of the <code>QName</code> will be set to an empty string.
</p><b>Parameters:</b><dl>
<dt><code>expandedName</code> -
</dt>
<dd>The URI in Clark notation: <code>{uri}local</code> if the
name is in a namespace, or simply <code>local</code> if not.
</dd>
</dl>
</dd>
</dl>
<hr><a name="Register(Saxon.Api.Processor)"></a><h3>Register</h3><pre>public void <b>Register</b>(<a href="Processor.html">Processor</a> processor)</pre><dl>
<dd>
<p>
Register a QName with the <code>Processor</code>. This makes comparison faster
when the QName is compared with others that are also registered with the <code>Processor</code>.
</p>
<p>
A given <code>QName</code> object can only be registered with one <code>Processor</code>.
</p><b>Parameters:</b><dl>
<dt><code>processor</code> -
</dt>
<dd>The Processor in which the name is to be registered.</dd>
</dl>
</dd>
</dl>
<hr><a name="IsValid(Saxon.Api.Processor)"></a><h3>IsValid</h3><pre>public <a href="http://msdn.microsoft.com/en-us/library/system.boolean(VS.80).aspx">bool</a> <b>IsValid</b>(<a href="Processor.html">Processor</a> processor)</pre><dl>
<dd>
<p>
Validate the QName against the XML 1.0 or XML 1.1 rules for valid names.
</p><b>Parameters:</b><dl>
<dt><code>processor</code> -
</dt>
<dd>The Processor in which the name is to be validated.
This determines whether the XML 1.0 or XML 1.1 rules for forming names are used.
</dd>
</dl>
<dl>
<dt>returns</dt>
<dd>true if the name is valid, false if not</dd>
</dl>
</dd>
</dl>
<hr><a name="ToString()"></a><h3>ToString</h3><pre>public override <a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">String</a> <b>ToString</b>()</pre><dl>
<dd>
<p>
Convert the value to a string. The resulting string is the lexical form of the QName,
using the original prefix if there was one.
</p>
</dd>
</dl>
<hr><a name="GetHashCode()"></a><h3>GetHashCode</h3><pre>public override <a href="http://msdn.microsoft.com/en-us/library/system.int32(VS.80).aspx">int</a> <b>GetHashCode</b>()</pre><dl>
<dd>
<p>
Get a hash code for the QName, to support equality matching. This supports the
semantics of equality, which considers only the namespace URI and local name, and
not the prefix.
</p>
<p>
The algorithm for allocating a hash code does not depend on registering the QName
with the <code>Processor</code>.
</p>
</dd>
</dl>
<hr><a name="Equals(object)"></a><h3>Equals</h3><pre>public override <a href="http://msdn.microsoft.com/en-us/library/system.boolean(VS.80).aspx">bool</a> <b>Equals</b>(<a href="http://msdn.microsoft.com/en-us/library/system.object(VS.80).aspx">object</a> other)</pre><dl>
<dd>
<p>
Test whether two QNames are equal. This supports the
semantics of equality, which considers only the namespace URI and local name, and
not the prefix.
</p>
<p>
The result of the function does not depend on registering the QName
with the <code>Processor</code>, but is computed more quickly if the QNames have
both been registered
</p><b>Parameters:</b><dl>
<dt><code>other</code> -
</dt>
<dd>The value to be compared with this QName. If this value is not a QName, the
result is always false. Otherwise, it is true if the namespace URI and local name
both match.
</dd>
</dl>
</dd>
</dl>
<hr><a name="ToXmlQualifiedName()"></a><h3>ToXmlQualifiedName</h3><pre>public XmlQualifiedName <b>ToXmlQualifiedName</b>()</pre><dl>
<dd>
<p>
Convert the value to an <code>XmlQualifiedName</code> (as defined in the
<code>System.Xml</code> package)
</p>
<p>
Note that this loses the prefix.
</p>
</dd>
</dl>
<hr>
</div>
</body>
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