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<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>xmlsave: the XML document serializer</title> <meta name="generator" content="Libxml2 devhelp stylesheet"> <link rel="start" href="index.html" title="libxml2 Reference Manual"> <link rel="up" href="general.html" title="API"> <link rel="stylesheet" href="style.css" type="text/css"> <link rel="chapter" href="general.html" title="API"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"> <td><a accesskey="p" href="libxml2-xmlregexp.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td> <td><a accesskey="u" href="general.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td> <td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td> <td><a accesskey="n" href="libxml2-xmlschemas.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td> <th width="100%" align="center">libxml2 Reference Manual</th> </tr></table> <h2><span class="refentrytitle">xmlsave</span></h2> <p>xmlsave - the XML document serializer</p> <p>API to save document or subtree of document </p> <p>Author(s): Daniel Veillard </p> <div class="refsynopsisdiv"> <h2>Synopsis</h2> <pre class="synopsis">typedef struct _xmlSaveCtxt <a href="#xmlSaveCtxt">xmlSaveCtxt</a>; typedef <a href="libxml2-xmlsave.html#xmlSaveCtxt">xmlSaveCtxt</a> * <a href="#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a>; typedef enum <a href="#xmlSaveOption">xmlSaveOption</a>; int <a href="#xmlSaveClose">xmlSaveClose</a> (<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt); long <a href="#xmlSaveDoc">xmlSaveDoc</a> (<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br> <a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc); int <a href="#xmlSaveFinish">xmlSaveFinish</a> (<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt); int <a href="#xmlSaveFlush">xmlSaveFlush</a> (<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt); int <a href="#xmlSaveSetAttrEscape">xmlSaveSetAttrEscape</a> (<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br> <a href="libxml2-encoding.html#xmlCharEncodingOutputFunc">xmlCharEncodingOutputFunc</a> escape); int <a href="#xmlSaveSetEscape">xmlSaveSetEscape</a> (<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br> <a href="libxml2-encoding.html#xmlCharEncodingOutputFunc">xmlCharEncodingOutputFunc</a> escape); <a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> <a href="#xmlSaveToBuffer">xmlSaveToBuffer</a> (<a href="libxml2-tree.html#xmlBufferPtr">xmlBufferPtr</a> buffer, <br> const char * encoding, <br> int options); <a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> <a href="#xmlSaveToFd">xmlSaveToFd</a> (int fd, <br> const char * encoding, <br> int options); <a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> <a href="#xmlSaveToFilename">xmlSaveToFilename</a> (const char * filename, <br> const char * encoding, <br> int options); <a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> <a href="#xmlSaveToIO">xmlSaveToIO</a> (<a href="libxml2-xmlIO.html#xmlOutputWriteCallback">xmlOutputWriteCallback</a> iowrite, <br> <a href="libxml2-xmlIO.html#xmlOutputCloseCallback">xmlOutputCloseCallback</a> ioclose, <br> void * ioctx, <br> const char * encoding, <br> int options); long <a href="#xmlSaveTree">xmlSaveTree</a> (<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> cur); int <a href="#xmlThrDefIndentTreeOutput">xmlThrDefIndentTreeOutput</a> (int v); int <a href="#xmlThrDefSaveNoEmptyTags">xmlThrDefSaveNoEmptyTags</a> (int v); const char * <a href="#xmlThrDefTreeIndentString">xmlThrDefTreeIndentString</a> (const char * v); </pre> </div> <div class="refsect1" lang="en"><h2>Description</h2></div> <div class="refsect1" lang="en"> <h2>Details</h2> <div class="refsect2" lang="en"> <div class="refsect2" lang="en"> <h3> <a name="xmlSaveCtxt">Structure </a>xmlSaveCtxt</h3> <pre class="programlisting">struct _xmlSaveCtxt { The content of this structure is not made public by the API. } xmlSaveCtxt; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSaveCtxtPtr">Typedef </a>xmlSaveCtxtPtr</h3> <pre class="programlisting"><a href="libxml2-xmlsave.html#xmlSaveCtxt">xmlSaveCtxt</a> * xmlSaveCtxtPtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSaveOption">Enum </a>xmlSaveOption</h3> <pre class="programlisting">enum <a href="#xmlSaveOption">xmlSaveOption</a> { <a name="XML_SAVE_FORMAT">XML_SAVE_FORMAT</a> = 1 /* format save output */ <a name="XML_SAVE_NO_DECL">XML_SAVE_NO_DECL</a> = 2 /* drop the xml declaration */ <a name="XML_SAVE_NO_EMPTY">XML_SAVE_NO_EMPTY</a> = 4 /* no empty tags */ <a name="XML_SAVE_NO_XHTML">XML_SAVE_NO_XHTML</a> = 8 /* disable XHTML1 specific rules */ <a name="XML_SAVE_XHTML">XML_SAVE_XHTML</a> = 16 /* force XHTML1 specific rules */ <a name="XML_SAVE_AS_XML">XML_SAVE_AS_XML</a> = 32 /* force XML serialization on HTML doc */ <a name="XML_SAVE_AS_HTML">XML_SAVE_AS_HTML</a> = 64 /* force HTML serialization on XML doc */ <a name="XML_SAVE_WSNONSIG">XML_SAVE_WSNONSIG</a> = 128 /* format with non-significant whitespace */ }; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSaveClose"></a>xmlSaveClose ()</h3> <pre class="programlisting">int xmlSaveClose (<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt)<br> </pre> <p>Close a document saving context, i.e. make sure that all bytes have been output and free the associated data.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>a document saving context</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the number of byte written or -1 in case of error.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSaveDoc"></a>xmlSaveDoc ()</h3> <pre class="programlisting">long xmlSaveDoc (<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br> <a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc)<br> </pre> <p>Save a full document to a saving context TODO: The function is not fully implemented yet as it does not return the byte count but 0 instead</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>a document saving context</td> </tr> <tr> <td><span class="term"><i><tt>doc</tt></i>:</span></td> <td>a document</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the number of byte written or -1 in case of error</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSaveFinish"></a>xmlSaveFinish ()</h3> <pre class="programlisting">int xmlSaveFinish (<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt)<br> </pre> <p>Close a document saving context, i.e. make sure that all bytes have been output and free the associated data. Available since 2.13.0.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>a document saving context</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>an <a href="libxml2-xmlerror.html#xmlParserErrors">xmlParserErrors</a> code.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSaveFlush"></a>xmlSaveFlush ()</h3> <pre class="programlisting">int xmlSaveFlush (<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt)<br> </pre> <p>Flush a document saving context, i.e. make sure that all bytes have been output.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>a document saving context</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the number of byte written or -1 in case of error.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSaveSetAttrEscape"></a>xmlSaveSetAttrEscape ()</h3> <pre class="programlisting">int xmlSaveSetAttrEscape (<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br> <a href="libxml2-encoding.html#xmlCharEncodingOutputFunc">xmlCharEncodingOutputFunc</a> escape)<br> </pre> <p>Set a custom escaping function to be used for text in <a href="libxml2-SAX.html#attribute">attribute</a> content</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>a document saving context</td> </tr> <tr> <td><span class="term"><i><tt>escape</tt></i>:</span></td> <td>the escaping function</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>0 if successful or -1 in case of error.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSaveSetEscape"></a>xmlSaveSetEscape ()</h3> <pre class="programlisting">int xmlSaveSetEscape (<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br> <a href="libxml2-encoding.html#xmlCharEncodingOutputFunc">xmlCharEncodingOutputFunc</a> escape)<br> </pre> <p>Set a custom escaping function to be used for text in element content</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>a document saving context</td> </tr> <tr> <td><span class="term"><i><tt>escape</tt></i>:</span></td> <td>the escaping function</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>0 if successful or -1 in case of error.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSaveToBuffer"></a>xmlSaveToBuffer ()</h3> <pre class="programlisting"><a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> xmlSaveToBuffer (<a href="libxml2-tree.html#xmlBufferPtr">xmlBufferPtr</a> buffer, <br> const char * encoding, <br> int options)<br> </pre> <p>Create a document saving context serializing to a buffer with the encoding and the options given</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>buffer</tt></i>:</span></td> <td>a buffer</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>the encoding name to use or NULL</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a set of xmlSaveOptions</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>a new serialization context or NULL in case of error.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSaveToFd"></a>xmlSaveToFd ()</h3> <pre class="programlisting"><a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> xmlSaveToFd (int fd, <br> const char * encoding, <br> int options)<br> </pre> <p>Create a document saving context serializing to a file descriptor with the encoding and the options given.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>fd</tt></i>:</span></td> <td>a file descriptor number</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>the encoding name to use or NULL</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a set of xmlSaveOptions</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>a new serialization context or NULL in case of error.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSaveToFilename"></a>xmlSaveToFilename ()</h3> <pre class="programlisting"><a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> xmlSaveToFilename (const char * filename, <br> const char * encoding, <br> int options)<br> </pre> <p>Create a document saving context serializing to a filename or possibly to an URL (but this is less reliable) with the encoding and the options given.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>filename</tt></i>:</span></td> <td>a file name or an URL</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>the encoding name to use or NULL</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a set of xmlSaveOptions</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>a new serialization context or NULL in case of error.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSaveToIO"></a>xmlSaveToIO ()</h3> <pre class="programlisting"><a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> xmlSaveToIO (<a href="libxml2-xmlIO.html#xmlOutputWriteCallback">xmlOutputWriteCallback</a> iowrite, <br> <a href="libxml2-xmlIO.html#xmlOutputCloseCallback">xmlOutputCloseCallback</a> ioclose, <br> void * ioctx, <br> const char * encoding, <br> int options)<br> </pre> <p>Create a document saving context serializing to a file descriptor with the encoding and the options given</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>iowrite</tt></i>:</span></td> <td>an I/O write function</td> </tr> <tr> <td><span class="term"><i><tt>ioclose</tt></i>:</span></td> <td>an I/O close function</td> </tr> <tr> <td><span class="term"><i><tt>ioctx</tt></i>:</span></td> <td>an I/O handler</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>the encoding name to use or NULL</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a set of xmlSaveOptions</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>a new serialization context or NULL in case of error.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSaveTree"></a>xmlSaveTree ()</h3> <pre class="programlisting">long xmlSaveTree (<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> cur)<br> </pre> <p>Save a subtree starting at the node parameter to a saving context TODO: The function is not fully implemented yet as it does not return the byte count but 0 instead</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>a document saving context</td> </tr> <tr> <td><span class="term"><i><tt>cur</tt></i>:</span></td> <td>the top node of the subtree to save</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the number of byte written or -1 in case of error</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlThrDefIndentTreeOutput"></a>xmlThrDefIndentTreeOutput ()</h3> <pre class="programlisting">int xmlThrDefIndentTreeOutput (int v)<br> </pre> <p></p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>v</tt></i>:</span></td> <td></td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td></td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlThrDefSaveNoEmptyTags"></a>xmlThrDefSaveNoEmptyTags ()</h3> <pre class="programlisting">int xmlThrDefSaveNoEmptyTags (int v)<br> </pre> <p></p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>v</tt></i>:</span></td> <td></td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td></td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlThrDefTreeIndentString"></a>xmlThrDefTreeIndentString ()</h3> <pre class="programlisting">const char * xmlThrDefTreeIndentString (const char * v)<br> </pre> <p></p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>v</tt></i>:</span></td> <td></td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td></td> </tr> </tbody> </table></div> </div> <hr> </div> </div> </body> </html>
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