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</style></head><body><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr /><td align="left" valign="top" width="32"><img align="left" border="0" height="32" src="images/rb-logo.png" width="32" /></td><td width="1">  </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="modules.html"><font color="#004faf">Modules</font></a></td></table><h1 align="center">QXmlStreamWriter Class Reference<br /><sup><sup>[<a href="qtcore.html">QtCore</a> module]</sup></sup></h1><p>The QXmlStreamWriter class provides an XML writer with a simple
streaming API. <a href="#details">More...</a></p>
<h3>Methods</h3><ul><li><div class="fn" /><b><a href="qxmlstreamwriter.html#QXmlStreamWriter">__init__</a></b> (<i>self</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#QXmlStreamWriter-2">__init__</a></b> (<i>self</i>, QIODevice <i>device</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#QXmlStreamWriter-3">__init__</a></b> (<i>self</i>, QByteArray <i>array</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#QXmlStreamWriter-4">__init__</a></b> (<i>self</i>, QString <i>string</i>)</li><li><div class="fn" />bool <b><a href="qxmlstreamwriter.html#autoFormatting">autoFormatting</a></b> (<i>self</i>)</li><li><div class="fn" />int <b><a href="qxmlstreamwriter.html#autoFormattingIndent">autoFormattingIndent</a></b> (<i>self</i>)</li><li><div class="fn" />QTextCodec <b><a href="qxmlstreamwriter.html#codec">codec</a></b> (<i>self</i>)</li><li><div class="fn" />QIODevice <b><a href="qxmlstreamwriter.html#device">device</a></b> (<i>self</i>)</li><li><div class="fn" />bool <b><a href="qxmlstreamwriter.html#hasError">hasError</a></b> (<i>self</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#setAutoFormatting">setAutoFormatting</a></b> (<i>self</i>, bool)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#setAutoFormattingIndent">setAutoFormattingIndent</a></b> (<i>self</i>, int <i>spaces</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#setCodec">setCodec</a></b> (<i>self</i>, QTextCodec <i>codec</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#setCodec-2">setCodec</a></b> (<i>self</i>, str <i>codecName</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#setDevice">setDevice</a></b> (<i>self</i>, QIODevice <i>device</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeAttribute">writeAttribute</a></b> (<i>self</i>, QString <i>qualifiedName</i>, QString <i>value</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeAttribute-2">writeAttribute</a></b> (<i>self</i>, QString <i>namespaceUri</i>, QString <i>name</i>, QString <i>value</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeAttribute-3">writeAttribute</a></b> (<i>self</i>, QXmlStreamAttribute <i>attribute</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeAttributes">writeAttributes</a></b> (<i>self</i>, QXmlStreamAttributes <i>attributes</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeCDATA">writeCDATA</a></b> (<i>self</i>, QString <i>text</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeCharacters">writeCharacters</a></b> (<i>self</i>, QString <i>text</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeComment">writeComment</a></b> (<i>self</i>, QString <i>text</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeCurrentToken">writeCurrentToken</a></b> (<i>self</i>, QXmlStreamReader <i>reader</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeDefaultNamespace">writeDefaultNamespace</a></b> (<i>self</i>, QString <i>namespaceUri</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeDTD">writeDTD</a></b> (<i>self</i>, QString <i>dtd</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeEmptyElement">writeEmptyElement</a></b> (<i>self</i>, QString <i>qualifiedName</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeEmptyElement-2">writeEmptyElement</a></b> (<i>self</i>, QString <i>namespaceUri</i>, QString <i>name</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeEndDocument">writeEndDocument</a></b> (<i>self</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeEndElement">writeEndElement</a></b> (<i>self</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeEntityReference">writeEntityReference</a></b> (<i>self</i>, QString <i>name</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeNamespace">writeNamespace</a></b> (<i>self</i>, QString <i>namespaceUri</i>, QString <i>prefix</i> = QString())</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeProcessingInstruction">writeProcessingInstruction</a></b> (<i>self</i>, QString <i>target</i>, QString <i>data</i> = QString())</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeStartDocument">writeStartDocument</a></b> (<i>self</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeStartDocument-2">writeStartDocument</a></b> (<i>self</i>, QString <i>version</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeStartDocument-3">writeStartDocument</a></b> (<i>self</i>, QString <i>version</i>, bool <i>standalone</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeStartElement">writeStartElement</a></b> (<i>self</i>, QString <i>qualifiedName</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeStartElement-2">writeStartElement</a></b> (<i>self</i>, QString <i>namespaceUri</i>, QString <i>name</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeTextElement">writeTextElement</a></b> (<i>self</i>, QString <i>qualifiedName</i>, QString <i>text</i>)</li><li><div class="fn" /><b><a href="qxmlstreamwriter.html#writeTextElement-2">writeTextElement</a></b> (<i>self</i>, QString <i>namespaceUri</i>, QString <i>name</i>, QString <i>text</i>)</li></ul><a name="details" /><hr /><h2>Detailed Description</h2><p>The QXmlStreamWriter class provides an XML writer with a simple
streaming API.</p>
<p>QXmlStreamWriter is the counterpart to <a href="qxmlstreamreader.html">QXmlStreamReader</a> for writing XML. Like
its related class, it operates on a <a href="qiodevice.html">QIODevice</a> specified with <a href="qxmlstreamwriter.html#setDevice">setDevice</a>(). The API is
simple and straightforward: for every XML token or event you want
to write, the writer provides a specialized function.</p>
<p>You start a document with <a href="qxmlstreamwriter.html#writeStartDocument">writeStartDocument</a>()
and end it with <a href="qxmlstreamwriter.html#writeEndDocument">writeEndDocument</a>().
This will implicitly close all remaining open tags.</p>
<p>Element tags are opened with <a href="qxmlstreamwriter.html#writeStartElement">writeStartElement</a>()
followed by <a href="qxmlstreamwriter.html#writeAttribute">writeAttribute</a>() or
<a href="qxmlstreamwriter.html#writeAttributes">writeAttributes</a>(),
element content, and then <a href="qxmlstreamwriter.html#writeEndElement">writeEndElement</a>(). A
shorter form <a href="qxmlstreamwriter.html#writeEmptyElement">writeEmptyElement</a>()
can be used to write empty elements, followed by <a href="qxmlstreamwriter.html#writeAttributes">writeAttributes</a>().</p>
<p>Element content consists of either characters, entity references
or nested elements. It is written with <a href="qxmlstreamwriter.html#writeCharacters">writeCharacters</a>(),
which also takes care of escaping all forbidden characters and
character sequences, <a href="qxmlstreamwriter.html#writeEntityReference">writeEntityReference</a>(),
or subsequent calls to <a href="qxmlstreamwriter.html#writeStartElement">writeStartElement</a>().
A convenience method <a href="qxmlstreamwriter.html#writeTextElement">writeTextElement</a>() can
be used for writing terminal elements that contain nothing but
text.</p>
<p>The following abridged code snippet shows the basic use of the
class to write formatted XML with indentation:</p>
<pre class="cpp">
<span class="type">QXmlStreamWriter</span> stream(<span class="operator">&</span>output);
stream<span class="operator">.</span>setAutoFormatting(<span class="keyword">true</span>);
stream<span class="operator">.</span>writeStartDocument();
...
stream<span class="operator">.</span>writeStartElement(<span class="string">"bookmark"</span>);
stream<span class="operator">.</span>writeAttribute(<span class="string">"href"</span><span class="operator">,</span> <span class="string">"http://qt.nokia.com/"</span>);
stream<span class="operator">.</span>writeTextElement(<span class="string">"title"</span><span class="operator">,</span> <span class="string">"Qt Home"</span>);
stream<span class="operator">.</span>writeEndElement(); <span class="comment">// bookmark</span>
...
stream<span class="operator">.</span>writeEndDocument();
</pre>
<p>QXmlStreamWriter takes care of prefixing namespaces, all you
have to do is specify the <tt>namespaceUri</tt> when writing
elements or attributes. If you must conform to certain prefixes,
you can force the writer to use them by declaring the namespaces
manually with either <a href="qxmlstreamwriter.html#writeNamespace">writeNamespace</a>() or
<a href="qxmlstreamwriter.html#writeDefaultNamespace">writeDefaultNamespace</a>().
Alternatively, you can bypass the stream writer's namespace support
and use overloaded methods that take a qualified name instead. The
namespace <i>http://www.w3.org/XML/1998/namespace</i> is implicit
and mapped to the prefix <i>xml</i>.</p>
<p>The stream writer can automatically format the generated XML
data by adding line-breaks and indentation to empty sections
between elements, making the XML data more readable for humans and
easier to work with for most source code management systems. The
feature can be turned on with the <a href="qxmlstreamwriter.html#autoFormatting-prop">autoFormatting</a>
property, and customized with the <a href="qxmlstreamwriter.html#autoFormattingIndent-prop">autoFormattingIndent</a>
property.</p>
<p>Other functions are <a href="qxmlstreamwriter.html#writeCDATA">writeCDATA</a>(), <a href="qxmlstreamwriter.html#writeComment">writeComment</a>(), <a href="qxmlstreamwriter.html#writeProcessingInstruction">writeProcessingInstruction</a>(),
and <a href="qxmlstreamwriter.html#writeDTD">writeDTD</a>().
Chaining of XML streams is supported with <a href="qxmlstreamwriter.html#writeCurrentToken">writeCurrentToken</a>().</p>
<p>By default, QXmlStreamWriter encodes XML in UTF-8. Different
encodings can be enforced using <a href="qxmlstreamwriter.html#setCodec">setCodec</a>().</p>
<p>If an error occurs while writing to the underlying device,
<a href="qxmlstreamwriter.html#hasError">hasError</a>() starts
returning true and subsequent writes are ignored.</p>
<p>The <a href="xml-streambookmarks.html">QXmlStream Bookmarks
Example</a> illustrates how to use a stream writer to write an XML
bookmark file (XBEL) that was previously read in by a <a href="qxmlstreamreader.html">QXmlStreamReader</a>.</p>
<hr /><h2>Method Documentation</h2><h3 class="fn"><a name="QXmlStreamWriter" />QXmlStreamWriter.__init__ (<i>self</i>)</h3><p>Constructs a stream writer.</p>
<p><b>See also</b> <a href="qxmlstreamwriter.html#setDevice">setDevice</a>().</p>
<h3 class="fn"><a name="QXmlStreamWriter-2" />QXmlStreamWriter.__init__ (<i>self</i>, <a href="qiodevice.html">QIODevice</a> <i>device</i>)</h3><p>Constructs a stream writer that writes into <i>device</i>;</p>
<h3 class="fn"><a name="QXmlStreamWriter-3" />QXmlStreamWriter.__init__ (<i>self</i>, <a href="qbytearray.html">QByteArray</a> <i>array</i>)</h3><p>Constructs a stream writer that writes into <i>array</i>. This
is the same as creating an xml writer that operates on a <a href="qbuffer.html">QBuffer</a> device which in turn operates on
<i>array</i>.</p>
<h3 class="fn"><a name="QXmlStreamWriter-4" />QXmlStreamWriter.__init__ (<i>self</i>, QString <i>string</i>)</h3><p>Constructs a stream writer that writes into <i>string</i>.</p>
<h3 class="fn"><a name="autoFormatting" />bool QXmlStreamWriter.autoFormatting (<i>self</i>)</h3><h3 class="fn"><a name="autoFormattingIndent" />int QXmlStreamWriter.autoFormattingIndent (<i>self</i>)</h3><h3 class="fn"><a name="codec" /><a href="qtextcodec.html">QTextCodec</a> QXmlStreamWriter.codec (<i>self</i>)</h3><p>Returns the codec that is currently assigned to the stream.</p>
<p><b>See also</b> <a href="qxmlstreamwriter.html#setCodec">setCodec</a>().</p>
<h3 class="fn"><a name="device" /><a href="qiodevice.html">QIODevice</a> QXmlStreamWriter.device (<i>self</i>)</h3><p>Returns the current device associated with the <a href="qxmlstreamwriter.html">QXmlStreamWriter</a>, or 0 if no device has
been assigned.</p>
<p><b>See also</b> <a href="qxmlstreamwriter.html#setDevice">setDevice</a>().</p>
<h3 class="fn"><a name="hasError" />bool QXmlStreamWriter.hasError (<i>self</i>)</h3><p>Returns true if the stream failed to write to the underlying
device; otherwise returns false.</p>
<p>The error status is never reset. Writes happening after the
error occurred are ignored, even if the error condition is
cleared.</p>
<p>This function was introduced in Qt 4.8.</p>
<h3 class="fn"><a name="setAutoFormatting" />QXmlStreamWriter.setAutoFormatting (<i>self</i>, bool)</h3><h3 class="fn"><a name="setAutoFormattingIndent" />QXmlStreamWriter.setAutoFormattingIndent (<i>self</i>, int <i>spaces</i>)</h3><h3 class="fn"><a name="setCodec" />QXmlStreamWriter.setCodec (<i>self</i>, <a href="qtextcodec.html">QTextCodec</a> <i>codec</i>)</h3><p>Sets the codec for this stream to <i>codec</i>. The codec is
used for encoding any data that is written. By default, <a href="qxmlstreamwriter.html">QXmlStreamWriter</a> uses UTF-8.</p>
<p>The encoding information is stored in the initial xml tag which
gets written when you call <a href="qxmlstreamwriter.html#writeStartDocument">writeStartDocument</a>().
Call this function before calling <a href="qxmlstreamwriter.html#writeStartDocument">writeStartDocument</a>().</p>
<p><b>See also</b> <a href="qxmlstreamwriter.html#codec">codec</a>().</p>
<h3 class="fn"><a name="setCodec-2" />QXmlStreamWriter.setCodec (<i>self</i>, str <i>codecName</i>)</h3><p>Sets the codec for this stream to the <a href="qtextcodec.html">QTextCodec</a> for the encoding specified by
<i>codecName</i>. Common values for <tt>codecName</tt> include "ISO
8859-1", "UTF-8", and "UTF-16". If the encoding isn't recognized,
nothing happens.</p>
<p><b>See also</b> <a href="qtextcodec.html#codecForName">QTextCodec.codecForName</a>().</p>
<h3 class="fn"><a name="setDevice" />QXmlStreamWriter.setDevice (<i>self</i>, <a href="qiodevice.html">QIODevice</a> <i>device</i>)</h3><p>Sets the current device to <i>device</i>. If you want the stream
to write into a <a href="qbytearray.html">QByteArray</a>, you can
create a <a href="qbuffer.html">QBuffer</a> device.</p>
<p><b>See also</b> <a href="qxmlstreamwriter.html#device">device</a>().</p>
<h3 class="fn"><a name="writeAttribute" />QXmlStreamWriter.writeAttribute (<i>self</i>, QString <i>qualifiedName</i>, QString <i>value</i>)</h3><p>Writes an attribute with <i>name</i> and <i>value</i>, prefixed
for the specified <i>namespaceUri</i>. If the namespace has not
been declared yet, <a href="qxmlstreamwriter.html">QXmlStreamWriter</a> will generate a
namespace declaration for it.</p>
<p>This function can only be called after <a href="qxmlstreamwriter.html#writeStartElement">writeStartElement</a>()
before any content is written, or after <a href="qxmlstreamwriter.html#writeEmptyElement">writeEmptyElement</a>().</p>
<h3 class="fn"><a name="writeAttribute-2" />QXmlStreamWriter.writeAttribute (<i>self</i>, QString <i>namespaceUri</i>, QString <i>name</i>, QString <i>value</i>)</h3><p>This is an overloaded function.</p>
<p>Writes an attribute with <i>qualifiedName</i> and
<i>value</i>.</p>
<p>This function can only be called after <a href="qxmlstreamwriter.html#writeStartElement">writeStartElement</a>()
before any content is written, or after <a href="qxmlstreamwriter.html#writeEmptyElement">writeEmptyElement</a>().</p>
<h3 class="fn"><a name="writeAttribute-3" />QXmlStreamWriter.writeAttribute (<i>self</i>, <a href="qxmlstreamattribute.html">QXmlStreamAttribute</a> <i>attribute</i>)</h3><p>This is an overloaded function.</p>
<p>Writes the <i>attribute</i>.</p>
<p>This function can only be called after <a href="qxmlstreamwriter.html#writeStartElement">writeStartElement</a>()
before any content is written, or after <a href="qxmlstreamwriter.html#writeEmptyElement">writeEmptyElement</a>().</p>
<h3 class="fn"><a name="writeAttributes" />QXmlStreamWriter.writeAttributes (<i>self</i>, <a href="qxmlstreamattributes.html">QXmlStreamAttributes</a> <i>attributes</i>)</h3><p>Writes the attribute vector <i>attributes</i>. If a namespace
referenced in an attribute not been declared yet, <a href="qxmlstreamwriter.html">QXmlStreamWriter</a> will generate a
namespace declaration for it.</p>
<p>This function can only be called after <a href="qxmlstreamwriter.html#writeStartElement">writeStartElement</a>()
before any content is written, or after <a href="qxmlstreamwriter.html#writeEmptyElement">writeEmptyElement</a>().</p>
<p><b>See also</b> <a href="qxmlstreamwriter.html#writeAttribute">writeAttribute</a>() and
<a href="qxmlstreamwriter.html#writeNamespace">writeNamespace</a>().</p>
<h3 class="fn"><a name="writeCDATA" />QXmlStreamWriter.writeCDATA (<i>self</i>, QString <i>text</i>)</h3><p>Writes <i>text</i> as CDATA section. If <i>text</i> contains the
forbidden character sequence "]]>", it is split into different
CDATA sections.</p>
<p>This function mainly exists for completeness. Normally you
should not need use it, because <a href="qxmlstreamwriter.html#writeCharacters">writeCharacters</a>()
automatically escapes all non-content characters.</p>
<h3 class="fn"><a name="writeCharacters" />QXmlStreamWriter.writeCharacters (<i>self</i>, QString <i>text</i>)</h3><p>Writes <i>text</i>. The characters "<", "&", and """ are
escaped as entity references "&lt;", "&amp;, and
"&quot;". To avoid the forbidden sequence "]]>", ">" is
also escaped as "&gt;".</p>
<p><b>See also</b> <a href="qxmlstreamwriter.html#writeEntityReference">writeEntityReference</a>().</p>
<h3 class="fn"><a name="writeComment" />QXmlStreamWriter.writeComment (<i>self</i>, QString <i>text</i>)</h3><p>Writes <i>text</i> as XML comment, where <i>text</i> must not
contain the forbidden sequence "--" or end with "-". Note that XML
does not provide any way to escape "-" in a comment.</p>
<h3 class="fn"><a name="writeCurrentToken" />QXmlStreamWriter.writeCurrentToken (<i>self</i>, <a href="qxmlstreamreader.html">QXmlStreamReader</a> <i>reader</i>)</h3><p>Writes the current state of the <i>reader</i>. All possible
valid states are supported.</p>
<p>The purpose of this function is to support chained processing of
XML data.</p>
<p><b>See also</b> <a href="qxmlstreamreader.html#tokenType">QXmlStreamReader.tokenType</a>().</p>
<h3 class="fn"><a name="writeDefaultNamespace" />QXmlStreamWriter.writeDefaultNamespace (<i>self</i>, QString <i>namespaceUri</i>)</h3><p>Writes a default namespace declaration for
<i>namespaceUri</i>.</p>
<p>If <a href="qxmlstreamwriter.html#writeStartElement">writeStartElement</a>()
or <a href="qxmlstreamwriter.html#writeEmptyElement">writeEmptyElement</a>()
was called, the declaration applies to the current element;
otherwise it applies to the next child element.</p>
<p>Note that the namespaces
<i>http://www.w3.org/XML/1998/namespace</i> (bound to <i>xmlns</i>)
and <i>http://www.w3.org/2000/xmlns/</i> (bound to <i>xml</i>) by
definition cannot be declared as default.</p>
<h3 class="fn"><a name="writeDTD" />QXmlStreamWriter.writeDTD (<i>self</i>, QString <i>dtd</i>)</h3><p>Writes a DTD section. The <i>dtd</i> represents the entire
doctypedecl production from the XML 1.0 specification.</p>
<h3 class="fn"><a name="writeEmptyElement" />QXmlStreamWriter.writeEmptyElement (<i>self</i>, QString <i>qualifiedName</i>)</h3><p>Writes an empty element with <i>name</i>, prefixed for the
specified <i>namespaceUri</i>. If the namespace has not been
declared, <a href="qxmlstreamwriter.html">QXmlStreamWriter</a> will
generate a namespace declaration for it. Subsequent calls to
<a href="qxmlstreamwriter.html#writeAttribute">writeAttribute</a>()
will add attributes to this element.</p>
<p><b>See also</b> <a href="qxmlstreamwriter.html#writeNamespace">writeNamespace</a>().</p>
<h3 class="fn"><a name="writeEmptyElement-2" />QXmlStreamWriter.writeEmptyElement (<i>self</i>, QString <i>namespaceUri</i>, QString <i>name</i>)</h3><p>This is an overloaded function.</p>
<p>Writes an empty element with qualified name
<i>qualifiedName</i>. Subsequent calls to <a href="qxmlstreamwriter.html#writeAttribute">writeAttribute</a>() will
add attributes to this element.</p>
<h3 class="fn"><a name="writeEndDocument" />QXmlStreamWriter.writeEndDocument (<i>self</i>)</h3><p>Closes all remaining open start elements and writes a
newline.</p>
<p><b>See also</b> <a href="qxmlstreamwriter.html#writeStartDocument">writeStartDocument</a>().</p>
<h3 class="fn"><a name="writeEndElement" />QXmlStreamWriter.writeEndElement (<i>self</i>)</h3><p>Closes the previous start element.</p>
<p><b>See also</b> <a href="qxmlstreamwriter.html#writeStartElement">writeStartElement</a>().</p>
<h3 class="fn"><a name="writeEntityReference" />QXmlStreamWriter.writeEntityReference (<i>self</i>, QString <i>name</i>)</h3><p>Writes the entity reference <i>name</i> to the stream, as
"&<i>name</i>;".</p>
<h3 class="fn"><a name="writeNamespace" />QXmlStreamWriter.writeNamespace (<i>self</i>, QString <i>namespaceUri</i>, QString <i>prefix</i> = QString())</h3><p>Writes a namespace declaration for <i>namespaceUri</i> with
<i>prefix</i>. If <i>prefix</i> is empty, <a href="qxmlstreamwriter.html">QXmlStreamWriter</a> assigns a unique
prefix consisting of the letter 'n' followed by a number.</p>
<p>If <a href="qxmlstreamwriter.html#writeStartElement">writeStartElement</a>()
or <a href="qxmlstreamwriter.html#writeEmptyElement">writeEmptyElement</a>()
was called, the declaration applies to the current element;
otherwise it applies to the next child element.</p>
<p>Note that the prefix <i>xml</i> is both predefined and reserved
for <i>http://www.w3.org/XML/1998/namespace</i>, which in turn
cannot be bound to any other prefix. The prefix <i>xmlns</i> and
its URI <i>http://www.w3.org/2000/xmlns/</i> are used for the
namespace mechanism itself and thus completely forbidden in
declarations.</p>
<h3 class="fn"><a name="writeProcessingInstruction" />QXmlStreamWriter.writeProcessingInstruction (<i>self</i>, QString <i>target</i>, QString <i>data</i> = QString())</h3><p>Writes an XML processing instruction with <i>target</i> and
<i>data</i>, where <i>data</i> must not contain the sequence
"?>".</p>
<h3 class="fn"><a name="writeStartDocument" />QXmlStreamWriter.writeStartDocument (<i>self</i>)</h3><p>Writes a document start with the XML version number
<i>version</i>.</p>
<p><b>See also</b> <a href="qxmlstreamwriter.html#writeEndDocument">writeEndDocument</a>().</p>
<h3 class="fn"><a name="writeStartDocument-2" />QXmlStreamWriter.writeStartDocument (<i>self</i>, QString <i>version</i>)</h3><p>Writes a document start with the XML version number
<i>version</i> and a standalone attribute <i>standalone</i>.</p>
<p>This function was introduced in Qt 4.5.</p>
<p><b>See also</b> <a href="qxmlstreamwriter.html#writeEndDocument">writeEndDocument</a>().</p>
<h3 class="fn"><a name="writeStartDocument-3" />QXmlStreamWriter.writeStartDocument (<i>self</i>, QString <i>version</i>, bool <i>standalone</i>)</h3><p>This is an overloaded function.</p>
<p>Writes a document start with XML version number "1.0". This also
writes the encoding information.</p>
<p>This function was introduced in Qt 4.5.</p>
<p><b>See also</b> <a href="qxmlstreamwriter.html#writeEndDocument">writeEndDocument</a>() and
<a href="qxmlstreamwriter.html#setCodec">setCodec</a>().</p>
<h3 class="fn"><a name="writeStartElement" />QXmlStreamWriter.writeStartElement (<i>self</i>, QString <i>qualifiedName</i>)</h3><p>Writes a start element with <i>name</i>, prefixed for the
specified <i>namespaceUri</i>. If the namespace has not been
declared yet, <a href="qxmlstreamwriter.html">QXmlStreamWriter</a>
will generate a namespace declaration for it. Subsequent calls to
<a href="qxmlstreamwriter.html#writeAttribute">writeAttribute</a>()
will add attributes to this element.</p>
<p><b>See also</b> <a href="qxmlstreamwriter.html#writeNamespace">writeNamespace</a>(),
<a href="qxmlstreamwriter.html#writeEndElement">writeEndElement</a>(), and
<a href="qxmlstreamwriter.html#writeEmptyElement">writeEmptyElement</a>().</p>
<h3 class="fn"><a name="writeStartElement-2" />QXmlStreamWriter.writeStartElement (<i>self</i>, QString <i>namespaceUri</i>, QString <i>name</i>)</h3><p>This is an overloaded function.</p>
<p>Writes a start element with <i>qualifiedName</i>. Subsequent
calls to <a href="qxmlstreamwriter.html#writeAttribute">writeAttribute</a>() will
add attributes to this element.</p>
<p><b>See also</b> <a href="qxmlstreamwriter.html#writeEndElement">writeEndElement</a>() and
<a href="qxmlstreamwriter.html#writeEmptyElement">writeEmptyElement</a>().</p>
<h3 class="fn"><a name="writeTextElement" />QXmlStreamWriter.writeTextElement (<i>self</i>, QString <i>qualifiedName</i>, QString <i>text</i>)</h3><p>Writes a text element with <i>name</i>, prefixed for the
specified <i>namespaceUri</i>, and <i>text</i>. If the namespace
has not been declared, <a href="qxmlstreamwriter.html">QXmlStreamWriter</a> will generate a
namespace declaration for it.</p>
<p>This is a convenience function equivalent to:</p>
<pre class="cpp">
<a href="qxmlstreamwriter.html#writeStartElement">writeStartElement</a>(namespaceUri<span class="operator">,</span> name);
<a href="qxmlstreamwriter.html#writeCharacters">writeCharacters</a>(text);
<a href="qxmlstreamwriter.html#writeEndElement">writeEndElement</a>();
</pre>
<h3 class="fn"><a name="writeTextElement-2" />QXmlStreamWriter.writeTextElement (<i>self</i>, QString <i>namespaceUri</i>, QString <i>name</i>, QString <i>text</i>)</h3><p>This is an overloaded function.</p>
<p>Writes a text element with <i>qualifiedName</i> and
<i>text</i>.</p>
<p>This is a convenience function equivalent to:</p>
<pre class="cpp">
<a href="qxmlstreamwriter.html#writeStartElement">writeStartElement</a>(qualifiedName);
<a href="qxmlstreamwriter.html#writeCharacters">writeCharacters</a>(text);
<a href="qxmlstreamwriter.html#writeEndElement">writeEndElement</a>();
</pre>
<address><hr /><div align="center"><table border="0" cellspacing="0" width="100%"><tr class="address"><td align="left" width="25%">PyQt 4.10.3 for X11</td><td align="center" width="50%">Copyright © <a href="http://www.riverbankcomputing.com">Riverbank Computing Ltd</a> and <a href="http://www.qtsoftware.com">Nokia</a> 2012</td><td align="right" width="25%">Qt 4.8.5</td></tr></table></div></address></body></html>
