libxml-c14n.html

xml开源解析代码.版本为libxml2-2.6.29,可支持GB3212.网络消息发送XML时很有用.

int	<a href="#xmlC14NIsVisibleCallback">xmlC14NIsVisibleCallback</a>	(void * user_data, <br />					 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> node, <br />					 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> parent)
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<h2>Description</h2>
<h3><a name="xmlC14NDocDumpMemory" id="xmlC14NDocDumpMemory"></a>Function: xmlC14NDocDumpMemory</h3><pre class="programlisting">int	xmlC14NDocDumpMemory		(<a href="libxml-tree.html#xmlDocPtr">xmlDocPtr</a> doc, <br />					 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes, <br />					 int exclusive, <br />					 <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> ** inclusive_ns_prefixes, <br />					 int with_comments, <br />					 <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> ** doc_txt_ptr)<br />
</pre><p>Dumps the canonized image of given XML document into memory. For details see "Canonical XML" (http://www.w3.org/TR/xml-c14n) or "Exclusive XML Canonicalization" (http://www.w3.org/TR/xml-exc-c14n)</p>
<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>doc</tt></i>:</span></td><td>the XML document for canonization</td></tr><tr><td><span class="term"><i><tt>nodes</tt></i>:</span></td><td>the nodes set to be included in the canonized image or NULL if all document nodes should be included</td></tr><tr><td><span class="term"><i><tt>exclusive</tt></i>:</span></td><td>the exclusive flag (0 - non-exclusive canonicalization; otherwise - exclusive canonicalization)</td></tr><tr><td><span class="term"><i><tt>inclusive_ns_prefixes</tt></i>:</span></td><td>the list of inclusive namespace prefixes ended with a NULL or NULL if there is no inclusive namespaces (only for exclusive canonicalization, ignored otherwise)</td></tr><tr><td><span class="term"><i><tt>with_comments</tt></i>:</span></td><td>include comments in the result (!=0) or not (==0)</td></tr><tr><td><span class="term"><i><tt>doc_txt_ptr</tt></i>:</span></td><td>the memory pointer for allocated canonical XML text; the caller of this functions is responsible for calling xmlFree() to free allocated memory</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of bytes written on success or a negative value on fail</td></tr></tbody></table></div><h3><a name="xmlC14NDocSave" id="xmlC14NDocSave"></a>Function: xmlC14NDocSave</h3><pre class="programlisting">int	xmlC14NDocSave			(<a href="libxml-tree.html#xmlDocPtr">xmlDocPtr</a> doc, <br />					 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes, <br />					 int exclusive, <br />					 <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> ** inclusive_ns_prefixes, <br />					 int with_comments, <br />					 const char * filename, <br />					 int compression)<br />
</pre><p>Dumps the canonized image of given XML document into the file. For details see "Canonical XML" (http://www.w3.org/TR/xml-c14n) or "Exclusive XML Canonicalization" (http://www.w3.org/TR/xml-exc-c14n)</p>
<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>doc</tt></i>:</span></td><td>the XML document for canonization</td></tr><tr><td><span class="term"><i><tt>nodes</tt></i>:</span></td><td>the nodes set to be included in the canonized image or NULL if all document nodes should be included</td></tr><tr><td><span class="term"><i><tt>exclusive</tt></i>:</span></td><td>the exclusive flag (0 - non-exclusive canonicalization; otherwise - exclusive canonicalization)</td></tr><tr><td><span class="term"><i><tt>inclusive_ns_prefixes</tt></i>:</span></td><td>the list of inclusive namespace prefixes ended with a NULL or NULL if there is no inclusive namespaces (only for exclusive canonicalization, ignored otherwise)</td></tr><tr><td><span class="term"><i><tt>with_comments</tt></i>:</span></td><td>include comments in the result (!=0) or not (==0)</td></tr><tr><td><span class="term"><i><tt>filename</tt></i>:</span></td><td>the filename to store canonical XML image</td></tr><tr><td><span class="term"><i><tt>compression</tt></i>:</span></td><td>the compression level (zlib requred): -1 - libxml default, 0 - uncompressed, &gt;0 - compression level</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of bytes written success or a negative value on fail</td></tr></tbody></table></div><h3><a name="xmlC14NDocSaveTo" id="xmlC14NDocSaveTo"></a>Function: xmlC14NDocSaveTo</h3><pre class="programlisting">int	xmlC14NDocSaveTo		(<a href="libxml-tree.html#xmlDocPtr">xmlDocPtr</a> doc, <br />					 <a href="libxml-xpath.html#xmlNodeSetPtr">xmlNodeSetPtr</a> nodes, <br />					 int exclusive, <br />					 <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> ** inclusive_ns_prefixes, <br />					 int with_comments, <br />					 <a href="libxml-tree.html#xmlOutputBufferPtr">xmlOutputBufferPtr</a> buf)<br />
</pre><p>Dumps the canonized image of given XML document into the provided buffer. For details see "Canonical XML" (http://www.w3.org/TR/xml-c14n) or "Exclusive XML Canonicalization" (http://www.w3.org/TR/xml-exc-c14n)</p>
<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>doc</tt></i>:</span></td><td>the XML document for canonization</td></tr><tr><td><span class="term"><i><tt>nodes</tt></i>:</span></td><td>the nodes set to be included in the canonized image or NULL if all document nodes should be included</td></tr><tr><td><span class="term"><i><tt>exclusive</tt></i>:</span></td><td>the exclusive flag (0 - non-exclusive canonicalization; otherwise - exclusive canonicalization)</td></tr><tr><td><span class="term"><i><tt>inclusive_ns_prefixes</tt></i>:</span></td><td>the list of inclusive namespace prefixes ended with a NULL or NULL if there is no inclusive namespaces (only for exclusive canonicalization, ignored otherwise)</td></tr><tr><td><span class="term"><i><tt>with_comments</tt></i>:</span></td><td>include comments in the result (!=0) or not (==0)</td></tr><tr><td><span class="term"><i><tt>buf</tt></i>:</span></td><td>the output buffer to store canonical XML; this buffer MUST have encoder==NULL because C14N requires UTF-8 output</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>non-negative value on success or a negative value on fail</td></tr></tbody></table></div><h3><a name="xmlC14NExecute" id="xmlC14NExecute"></a>Function: xmlC14NExecute</h3><pre class="programlisting">int	xmlC14NExecute			(<a href="libxml-tree.html#xmlDocPtr">xmlDocPtr</a> doc, <br />					 <a href="libxml-c14n.html#xmlC14NIsVisibleCallback">xmlC14NIsVisibleCallback</a> is_visible_callback, <br />					 void * user_data, <br />					 int exclusive, <br />					 <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> ** inclusive_ns_prefixes, <br />					 int with_comments, <br />					 <a href="libxml-tree.html#xmlOutputBufferPtr">xmlOutputBufferPtr</a> buf)<br />
</pre><p>Dumps the canonized image of given XML document into the provided buffer. For details see "Canonical XML" (http://www.w3.org/TR/xml-c14n) or "Exclusive XML Canonicalization" (http://www.w3.org/TR/xml-exc-c14n)</p>
<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>doc</tt></i>:</span></td><td>the XML document for canonization</td></tr><tr><td><span class="term"><i><tt>is_visible_callback</tt></i>:</span></td><td>the function to use to determine is node visible or not</td></tr><tr><td><span class="term"><i><tt>user_data</tt></i>:</span></td><td>the first parameter for @is_visible_callback function (in most cases, it is nodes set)</td></tr><tr><td><span class="term"><i><tt>exclusive</tt></i>:</span></td><td>the exclusive flag (0 - non-exclusive canonicalization; otherwise - exclusive canonicalization)</td></tr><tr><td><span class="term"><i><tt>inclusive_ns_prefixes</tt></i>:</span></td><td>the list of inclusive namespace prefixes ended with a NULL or NULL if there is no inclusive namespaces (only for exclusive canonicalization, ignored otherwise)</td></tr><tr><td><span class="term"><i><tt>with_comments</tt></i>:</span></td><td>include comments in the result (!=0) or not (==0)</td></tr><tr><td><span class="term"><i><tt>buf</tt></i>:</span></td><td>the output buffer to store canonical XML; this buffer MUST have encoder==NULL because C14N requires UTF-8 output</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>non-negative value on success or a negative value on fail</td></tr></tbody></table></div><h3><a name="xmlC14NIsVisibleCallback" id="xmlC14NIsVisibleCallback"></a>Function type: xmlC14NIsVisibleCallback</h3><pre class="programlisting">Function type: xmlC14NIsVisibleCallback
int	xmlC14NIsVisibleCallback	(void * user_data, <br />					 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> node, <br />					 <a href="libxml-tree.html#xmlNodePtr">xmlNodePtr</a> parent)
</pre><p></p><div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>user_data</tt></i>:</span></td><td></td></tr><tr><td><span class="term"><i><tt>node</tt></i>:</span></td><td></td></tr><tr><td><span class="term"><i><tt>parent</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><br />
<p><a href="../bugs.html">Daniel Veillard</a></p></td></tr></table></td></tr></table></td></tr></table></td></tr></table></td></tr></table></body></html>