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<?xml version="1.0" encoding="UTF-8"?><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> <title>tree: interfaces for tree manipulation</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-threads.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-uri.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">tree</span> </h2> <p>tree - interfaces for tree manipulation</p> <p>this module describes the structures found in an tree resulting from an XML or HTML parsing, as well as the API provided for various processing on that tree </p> <p>Author(s): Daniel Veillard </p> <div class="refsynopsisdiv"> <h2>Synopsis</h2> <pre class="synopsis">#define <a href="#XML_LOCAL_NAMESPACE">XML_LOCAL_NAMESPACE</a>;#define <a href="#XML_XML_NAMESPACE">XML_XML_NAMESPACE</a>;#define <a href="#XML_XML_ID">XML_XML_ID</a>;#define <a href="#xmlRootNode">xmlRootNode</a>;#define <a href="#XML_GET_LINE">XML_GET_LINE</a>;#define <a href="#XML_GET_CONTENT">XML_GET_CONTENT</a>;#define <a href="#xmlChildrenNode">xmlChildrenNode</a>;#define <a href="#BASE_BUFFER_SIZE">BASE_BUFFER_SIZE</a>;typedef struct _xmlNs <a href="#xmlNs">xmlNs</a>;typedef <a href="libxml2-tree.html#xmlBuffer">xmlBuffer</a> * <a href="#xmlBufferPtr">xmlBufferPtr</a>;typedef <a href="libxml2-tree.html#xmlEnumeration">xmlEnumeration</a> * <a href="#xmlEnumerationPtr">xmlEnumerationPtr</a>;typedef struct _xmlBuffer <a href="#xmlBuffer">xmlBuffer</a>;typedef <a href="libxml2-tree.html#xmlParserInput">xmlParserInput</a> * <a href="#xmlParserInputPtr">xmlParserInputPtr</a>;typedef <a href="libxml2-tree.html#xmlSAXLocator">xmlSAXLocator</a> * <a href="#xmlSAXLocatorPtr">xmlSAXLocatorPtr</a>;typedef struct _xmlParserInput <a href="#xmlParserInput">xmlParserInput</a>;typedef struct _xmlElement <a href="#xmlElement">xmlElement</a>;typedef <a href="libxml2-tree.html#xmlElementType">xmlElementType</a> <a href="#xmlNsType">xmlNsType</a>;typedef enum <a href="#xmlBufferAllocationScheme">xmlBufferAllocationScheme</a>;typedef struct _xmlNode <a href="#xmlNode">xmlNode</a>;typedef <a href="libxml2-tree.html#xmlDoc">xmlDoc</a> * <a href="#xmlDocPtr">xmlDocPtr</a>;typedef struct _xmlElementContent <a href="#xmlElementContent">xmlElementContent</a>;typedef <a href="libxml2-tree.html#xmlDOMWrapCtxt">xmlDOMWrapCtxt</a> * <a href="#xmlDOMWrapCtxtPtr">xmlDOMWrapCtxtPtr</a>;typedef <a href="libxml2-tree.html#xmlRef">xmlRef</a> * <a href="#xmlRefPtr">xmlRefPtr</a>;typedef struct _xmlParserInputBuffer <a href="#xmlParserInputBuffer">xmlParserInputBuffer</a>;typedef struct _xmlRef <a href="#xmlRef">xmlRef</a>;typedef struct _xmlDOMWrapCtxt <a href="#xmlDOMWrapCtxt">xmlDOMWrapCtxt</a>;typedef <a href="libxml2-tree.html#xmlNode">xmlNode</a> * <a href="#xmlNodePtr">xmlNodePtr</a>;typedef struct _xmlParserCtxt <a href="#xmlParserCtxt">xmlParserCtxt</a>;typedef <a href="libxml2-tree.html#xmlDtd">xmlDtd</a> * <a href="#xmlDtdPtr">xmlDtdPtr</a>;typedef enum <a href="#xmlAttributeDefault">xmlAttributeDefault</a>;typedef struct _xmlNotation <a href="#xmlNotation">xmlNotation</a>;typedef enum <a href="#xmlElementType">xmlElementType</a>;typedef struct _xmlEntity <a href="#xmlEntity">xmlEntity</a>;typedef struct _xmlAttr <a href="#xmlAttr">xmlAttr</a>;typedef <a href="libxml2-tree.html#xmlAttribute">xmlAttribute</a> * <a href="#xmlAttributePtr">xmlAttributePtr</a>;typedef enum <a href="#xmlElementTypeVal">xmlElementTypeVal</a>;typedef <a href="libxml2-tree.html#xmlNotation">xmlNotation</a> * <a href="#xmlNotationPtr">xmlNotationPtr</a>;typedef <a href="libxml2-tree.html#xmlElement">xmlElement</a> * <a href="#xmlElementPtr">xmlElementPtr</a>;typedef enum <a href="#xmlElementContentOccur">xmlElementContentOccur</a>;typedef <a href="libxml2-tree.html#xmlAttr">xmlAttr</a> * <a href="#xmlAttrPtr">xmlAttrPtr</a>;typedef struct _xmlDoc <a href="#xmlDoc">xmlDoc</a>;typedef struct _xmlID <a href="#xmlID">xmlID</a>;typedef <a href="libxml2-tree.html#xmlParserCtxt">xmlParserCtxt</a> * <a href="#xmlParserCtxtPtr">xmlParserCtxtPtr</a>;typedef <a href="libxml2-tree.html#xmlEntity">xmlEntity</a> * <a href="#xmlEntityPtr">xmlEntityPtr</a>;typedef struct _xmlEnumeration <a href="#xmlEnumeration">xmlEnumeration</a>;typedef enum <a href="#xmlAttributeType">xmlAttributeType</a>;typedef <a href="libxml2-tree.html#xmlNs">xmlNs</a> * <a href="#xmlNsPtr">xmlNsPtr</a>;typedef <a href="libxml2-tree.html#xmlParserInputBuffer">xmlParserInputBuffer</a> * <a href="#xmlParserInputBufferPtr">xmlParserInputBufferPtr</a>;typedef struct _xmlSAXHandler <a href="#xmlSAXHandler">xmlSAXHandler</a>;typedef struct _xmlOutputBuffer <a href="#xmlOutputBuffer">xmlOutputBuffer</a>;typedef struct _xmlSAXLocator <a href="#xmlSAXLocator">xmlSAXLocator</a>;typedef <a href="libxml2-tree.html#xmlElementContent">xmlElementContent</a> * <a href="#xmlElementContentPtr">xmlElementContentPtr</a>;typedef enum <a href="#xmlElementContentType">xmlElementContentType</a>;typedef <a href="libxml2-tree.html#xmlID">xmlID</a> * <a href="#xmlIDPtr">xmlIDPtr</a>;typedef struct _xmlDtd <a href="#xmlDtd">xmlDtd</a>;typedef struct _xmlAttribute <a href="#xmlAttribute">xmlAttribute</a>;typedef <a href="libxml2-tree.html#xmlOutputBuffer">xmlOutputBuffer</a> * <a href="#xmlOutputBufferPtr">xmlOutputBufferPtr</a>;typedef <a href="libxml2-tree.html#xmlSAXHandler">xmlSAXHandler</a> * <a href="#xmlSAXHandlerPtr">xmlSAXHandlerPtr</a>;<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlDocCopyNode">xmlDocCopyNode</a> (const <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> node, <br/> <a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc, <br/> int extended);<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlNewDocRawNode">xmlNewDocRawNode</a> (<a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc, <br/> <a href="libxml2-tree.html#xmlNsPtr">xmlNsPtr</a> ns, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * content);<a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlGetProp">xmlGetProp</a> (<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> node, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name);<a href="libxml2-tree.html#xmlAttrPtr">xmlAttrPtr</a> <a href="#xmlNewNsPropEatName">xmlNewNsPropEatName</a> (<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> node, <br/> <a href="libxml2-tree.html#xmlNsPtr">xmlNsPtr</a> ns, <br/> <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * value);<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlNewCDataBlock">xmlNewCDataBlock</a> (<a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * content, <br/> int len);void <a href="#xmlBufferWriteCHAR">xmlBufferWriteCHAR</a> (<a href="libxml2-tree.html#xmlBufferPtr">xmlBufferPtr</a> buf, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * string);<a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlNodeGetBase">xmlNodeGetBase</a> (<a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> cur);void <a href="#xmlBufferEmpty">xmlBufferEmpty</a> (<a href="libxml2-tree.html#xmlBufferPtr">xmlBufferPtr</a> buf);<a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlBuildQName">xmlBuildQName</a> (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * ncname, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * prefix, <br/> <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * memory, <br/> int len);int <a href="#xmlSaveFormatFileEnc">xmlSaveFormatFileEnc</a> (const char * filename, <br/> <a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> cur, <br/> const char * encoding, <br/> int format);<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlAddSibling">xmlAddSibling</a> (<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> cur, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> elem);<a href="libxml2-tree.html#xmlBufferPtr">xmlBufferPtr</a> <a href="#xmlBufferCreate">xmlBufferCreate</a> (void);<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlNewDocFragment">xmlNewDocFragment</a> (<a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc);<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlDocGetRootElement">xmlDocGetRootElement</a> (<a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc);<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlStringGetNodeList">xmlStringGetNodeList</a> (<a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * value);int <a href="#xmlValidateName">xmlValidateName</a> (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * value, <br/> int space);void <a href="#xmlSetBufferAllocationScheme">xmlSetBufferAllocationScheme</a> (<a href="libxml2-tree.html#xmlBufferAllocationScheme">xmlBufferAllocationScheme</a> scheme);int <a href="#xmlValidateQName">xmlValidateQName</a> (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * value, <br/> int space);<a href="libxml2-tree.html#xmlAttrPtr">xmlAttrPtr</a> <a href="#xmlHasNsProp">xmlHasNsProp</a> (<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> node, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * nameSpace);<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlAddPrevSibling">xmlAddPrevSibling</a> (<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> cur, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> elem);int <a href="#xmlBufferAddHead">xmlBufferAddHead</a> (<a href="libxml2-tree.html#xmlBufferPtr">xmlBufferPtr</a> buf, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * str, <br/> int len);<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlNewPI">xmlNewPI</a> (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * content);void <a href="#xmlDocDumpFormatMemoryEnc">xmlDocDumpFormatMemoryEnc</a> (<a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> out_doc, <br/> <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** doc_txt_ptr, <br/> int * doc_txt_len, <br/> const char * txt_encoding, <br/> int format);int <a href="#xmlUnsetNsProp">xmlUnsetNsProp</a> (<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> node, <br/> <a href="libxml2-tree.html#xmlNsPtr">xmlNsPtr</a> ns, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name);void <a href="#xmlElemDump">xmlElemDump</a> (FILE * f, <br/> <a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> cur);int <a href="#xmlSaveFormatFileTo">xmlSaveFormatFileTo</a> (<a href="libxml2-tree.html#xmlOutputBufferPtr">xmlOutputBufferPtr</a> buf, <br/> <a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> cur, <br/> const char * encoding, <br/> int format);<a href="libxml2-tree.html#xmlDtdPtr">xmlDtdPtr</a> <a href="#xmlGetIntSubset">xmlGetIntSubset</a> (<a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc);int <a href="#xmlNodeBufGetContent">xmlNodeBufGetContent</a> (<a href="libxml2-tree.html#xmlBufferPtr">xmlBufferPtr</a> buffer, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> cur);void <a href="#xmlBufferWriteChar">xmlBufferWriteChar</a> (<a href="libxml2-tree.html#xmlBufferPtr">xmlBufferPtr</a> buf, <br/> const char * string);void <a href="#xmlBufferFree">xmlBufferFree</a> (<a href="libxml2-tree.html#xmlBufferPtr">xmlBufferPtr</a> buf);int <a href="#xmlDOMWrapCloneNode">xmlDOMWrapCloneNode</a> (<a href="libxml2-tree.html#xmlDOMWrapCtxtPtr">xmlDOMWrapCtxtPtr</a> ctxt, <br/> <a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> sourceDoc, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> node, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> * resNode, <br/> <a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> destDoc, <br/> <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> destParent, <br/> int deep, <br/> int options);<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlNewNode">xmlNewNode</a> (<a href="libxml2-tree.html#xmlNsPtr">xmlNsPtr</a> ns, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name);int <a href="#xmlSaveFileTo">xmlSaveFileTo</a> (<a href="libxml2-tree.html#xmlOutputBufferPtr">xmlOutputBufferPtr</a> buf, <br/> <a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> cur, <br/> const char * encoding);<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlNewTextLen">xmlNewTextLen</a> (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * content, <br/> int len);<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#xmlNewTextChild">xmlNewTextChild</a> (<a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> parent, <br/> <a href="libxml2-tree.html#xmlNsPtr">xmlNsPtr</a> ns, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * content);⌨️ 快捷键说明
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