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<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>HTMLparser: interface for an HTML 4.0 non-verifying parser</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="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-HTMLtree.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">HTMLparser</span></h2> <p>HTMLparser - interface for an HTML 4.0 non-verifying parser</p> <p>this module implements an HTML 4.0 non-verifying parser with API compatible with the XML parser ones. It should be able to parse "real world" HTML, even if severely broken from a specification point of view. </p> <p>Author(s): Daniel Veillard </p> <div class="refsynopsisdiv"> <h2>Synopsis</h2> <pre class="synopsis">#define <a href="#htmlDefaultSubelement">htmlDefaultSubelement</a>(elt); #define <a href="#htmlElementAllowedHereDesc">htmlElementAllowedHereDesc</a>(parent, elt); #define <a href="#htmlRequiredAttrs">htmlRequiredAttrs</a>(elt); typedef <a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> <a href="#htmlDocPtr">htmlDocPtr</a>; typedef struct _htmlElemDesc <a href="#htmlElemDesc">htmlElemDesc</a>; typedef <a href="libxml2-HTMLparser.html#htmlElemDesc">htmlElemDesc</a> * <a href="#htmlElemDescPtr">htmlElemDescPtr</a>; typedef struct _htmlEntityDesc <a href="#htmlEntityDesc">htmlEntityDesc</a>; typedef <a href="libxml2-HTMLparser.html#htmlEntityDesc">htmlEntityDesc</a> * <a href="#htmlEntityDescPtr">htmlEntityDescPtr</a>; typedef <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> <a href="#htmlNodePtr">htmlNodePtr</a>; typedef <a href="libxml2-tree.html#xmlParserCtxt">xmlParserCtxt</a> <a href="#htmlParserCtxt">htmlParserCtxt</a>; typedef <a href="libxml2-tree.html#xmlParserCtxtPtr">xmlParserCtxtPtr</a> <a href="#htmlParserCtxtPtr">htmlParserCtxtPtr</a>; typedef <a href="libxml2-tree.html#xmlParserInput">xmlParserInput</a> <a href="#htmlParserInput">htmlParserInput</a>; typedef <a href="libxml2-tree.html#xmlParserInputPtr">xmlParserInputPtr</a> <a href="#htmlParserInputPtr">htmlParserInputPtr</a>; typedef <a href="libxml2-parser.html#xmlParserNodeInfo">xmlParserNodeInfo</a> <a href="#htmlParserNodeInfo">htmlParserNodeInfo</a>; typedef enum <a href="#htmlParserOption">htmlParserOption</a>; typedef <a href="libxml2-tree.html#xmlSAXHandler">xmlSAXHandler</a> <a href="#htmlSAXHandler">htmlSAXHandler</a>; typedef <a href="libxml2-tree.html#xmlSAXHandlerPtr">xmlSAXHandlerPtr</a> <a href="#htmlSAXHandlerPtr">htmlSAXHandlerPtr</a>; typedef enum <a href="#htmlStatus">htmlStatus</a>; int <a href="#UTF8ToHtml">UTF8ToHtml</a> (unsigned char * out, <br> int * outlen, <br> const unsigned char * in, <br> int * inlen); <a href="libxml2-HTMLparser.html#htmlStatus">htmlStatus</a> <a href="#htmlAttrAllowed">htmlAttrAllowed</a> (const <a href="libxml2-HTMLparser.html#htmlElemDesc">htmlElemDesc</a> * elt, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * attr, <br> int legacy); int <a href="#htmlAutoCloseTag">htmlAutoCloseTag</a> (<a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> doc, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br> <a href="libxml2-HTMLparser.html#htmlNodePtr">htmlNodePtr</a> elem); <a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> <a href="#htmlCreateMemoryParserCtxt">htmlCreateMemoryParserCtxt</a> (const char * buffer, <br> int size); <a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> <a href="#htmlCreatePushParserCtxt">htmlCreatePushParserCtxt</a> (<a href="libxml2-HTMLparser.html#htmlSAXHandlerPtr">htmlSAXHandlerPtr</a> sax, <br> void * user_data, <br> const char * chunk, <br> int size, <br> const char * filename, <br> <a href="libxml2-encoding.html#xmlCharEncoding">xmlCharEncoding</a> enc); <a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> <a href="#htmlCtxtReadDoc">htmlCtxtReadDoc</a> (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * cur, <br> const char * URL, <br> const char * encoding, <br> int options); <a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> <a href="#htmlCtxtReadFd">htmlCtxtReadFd</a> (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> int fd, <br> const char * URL, <br> const char * encoding, <br> int options); <a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> <a href="#htmlCtxtReadFile">htmlCtxtReadFile</a> (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> const char * filename, <br> const char * encoding, <br> int options); <a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> <a href="#htmlCtxtReadIO">htmlCtxtReadIO</a> (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> <a href="libxml2-xmlIO.html#xmlInputReadCallback">xmlInputReadCallback</a> ioread, <br> <a href="libxml2-xmlIO.html#xmlInputCloseCallback">xmlInputCloseCallback</a> ioclose, <br> void * ioctx, <br> const char * URL, <br> const char * encoding, <br> int options); <a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> <a href="#htmlCtxtReadMemory">htmlCtxtReadMemory</a> (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> const char * buffer, <br> int size, <br> const char * URL, <br> const char * encoding, <br> int options); void <a href="#htmlCtxtReset">htmlCtxtReset</a> (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt); int <a href="#htmlCtxtUseOptions">htmlCtxtUseOptions</a> (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> int options); int <a href="#htmlElementAllowedHere">htmlElementAllowedHere</a> (const <a href="libxml2-HTMLparser.html#htmlElemDesc">htmlElemDesc</a> * parent, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * elt); <a href="libxml2-HTMLparser.html#htmlStatus">htmlStatus</a> <a href="#htmlElementStatusHere">htmlElementStatusHere</a> (const <a href="libxml2-HTMLparser.html#htmlElemDesc">htmlElemDesc</a> * parent, <br> const <a href="libxml2-HTMLparser.html#htmlElemDesc">htmlElemDesc</a> * elt); int <a href="#htmlEncodeEntities">htmlEncodeEntities</a> (unsigned char * out, <br> int * outlen, <br> const unsigned char * in, <br> int * inlen, <br> int quoteChar); const <a href="libxml2-HTMLparser.html#htmlEntityDesc">htmlEntityDesc</a> * <a href="#htmlEntityLookup">htmlEntityLookup</a> (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name); const <a href="libxml2-HTMLparser.html#htmlEntityDesc">htmlEntityDesc</a> * <a href="#htmlEntityValueLookup">htmlEntityValueLookup</a> (unsigned int value); void <a href="#htmlFreeParserCtxt">htmlFreeParserCtxt</a> (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt); int <a href="#htmlHandleOmittedElem">htmlHandleOmittedElem</a> (int val); int <a href="#htmlIsAutoClosed">htmlIsAutoClosed</a> (<a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> doc, <br> <a href="libxml2-HTMLparser.html#htmlNodePtr">htmlNodePtr</a> elem); int <a href="#htmlIsScriptAttribute">htmlIsScriptAttribute</a> (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name); <a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> <a href="#htmlNewParserCtxt">htmlNewParserCtxt</a> (void); <a href="libxml2-HTMLparser.html#htmlStatus">htmlStatus</a> <a href="#htmlNodeStatus">htmlNodeStatus</a> (const <a href="libxml2-HTMLparser.html#htmlNodePtr">htmlNodePtr</a> node, <br> int legacy); int <a href="#htmlParseCharRef">htmlParseCharRef</a> (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt); int <a href="#htmlParseChunk">htmlParseChunk</a> (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> const char * chunk, <br> int size, <br> int terminate); <a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> <a href="#htmlParseDoc">htmlParseDoc</a> (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * cur, <br> const char * encoding); int <a href="#htmlParseDocument">htmlParseDocument</a> (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt); void <a href="#htmlParseElement">htmlParseElement</a> (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt); const <a href="libxml2-HTMLparser.html#htmlEntityDesc">htmlEntityDesc</a> * <a href="#htmlParseEntityRef">htmlParseEntityRef</a> (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** str); <a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> <a href="#htmlParseFile">htmlParseFile</a> (const char * filename, <br> const char * encoding); <a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> <a href="#htmlReadDoc">htmlReadDoc</a> (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * cur, <br> const char * URL, <br> const char * encoding, <br> int options); <a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> <a href="#htmlReadFd">htmlReadFd</a> (int fd, <br> const char * URL, <br> const char * encoding, <br> int options); <a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> <a href="#htmlReadFile">htmlReadFile</a> (const char * filename, <br> const char * encoding, <br> int options); <a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> <a href="#htmlReadIO">htmlReadIO</a> (<a href="libxml2-xmlIO.html#xmlInputReadCallback">xmlInputReadCallback</a> ioread, <br> <a href="libxml2-xmlIO.html#xmlInputCloseCallback">xmlInputCloseCallback</a> ioclose, <br> void * ioctx, <br> const char * URL, <br> const char * encoding, <br> int options); <a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> <a href="#htmlReadMemory">htmlReadMemory</a> (const char * buffer, <br> int size, <br> const char * URL, <br> const char * encoding, <br> int options); <a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> <a href="#htmlSAXParseDoc">htmlSAXParseDoc</a> (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * cur, <br> const char * encoding, <br> <a href="libxml2-HTMLparser.html#htmlSAXHandlerPtr">htmlSAXHandlerPtr</a> sax, <br> void * userData); <a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> <a href="#htmlSAXParseFile">htmlSAXParseFile</a> (const char * filename, <br> const char * encoding, <br> <a href="libxml2-HTMLparser.html#htmlSAXHandlerPtr">htmlSAXHandlerPtr</a> sax, <br> void * userData); const <a href="libxml2-HTMLparser.html#htmlElemDesc">htmlElemDesc</a> * <a href="#htmlTagLookup">htmlTagLookup</a> (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * tag); </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="htmlDefaultSubelement">Macro </a>htmlDefaultSubelement</h3> <pre class="programlisting">#define <a href="#htmlDefaultSubelement">htmlDefaultSubelement</a>(elt); </pre> <p>Returns the default subelement for this element</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>elt</tt></i>:</span></td> <td>HTML element</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlElementAllowedHereDesc">Macro </a>htmlElementAllowedHereDesc</h3> <pre class="programlisting">#define <a href="#htmlElementAllowedHereDesc">htmlElementAllowedHereDesc</a>(parent, elt); </pre> <p>Checks whether an HTML element description may be a direct child of the specified element. Returns 1 if allowed; 0 otherwise.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>parent</tt></i>:</span></td> <td>HTML parent element</td> </tr> <tr> <td><span class="term"><i><tt>elt</tt></i>:</span></td> <td>HTML element</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlRequiredAttrs">Macro </a>htmlRequiredAttrs</h3> <pre class="programlisting">#define <a href="#htmlRequiredAttrs">htmlRequiredAttrs</a>(elt); </pre> <p>Returns the attributes required for the specified element.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>elt</tt></i>:</span></td> <td>HTML element</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlDocPtr">Typedef </a>htmlDocPtr</h3> <pre class="programlisting"><a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> htmlDocPtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlElemDesc">Structure </a>htmlElemDesc</h3> <pre class="programlisting">struct _htmlElemDesc { const char * name : The tag name char startTag : Whether the start tag can be implied char endTag : Whether the end tag can be implied char saveEndTag : Whether the end tag should be saved char empty : Is this an empty element ? char depr : Is this a deprecated element ? char dtd : 1: only in Loose DTD, 2: only Frameset one char isinline : is this a block 0 or inline 1 element const char * desc : the description NRK Jan.2003 * New fields encapsulating HTML structur const char ** subelts : allowed sub-elements of this element const char * defaultsubelt : subelement for suggested auto-repair if necessary or NULL const char ** attrs_opt : Optional Attributes const char ** attrs_depr : Additional deprecated attributes const char ** attrs_req : Required attributes } htmlElemDesc; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlElemDescPtr">Typedef </a>htmlElemDescPtr</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlElemDesc">htmlElemDesc</a> * htmlElemDescPtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlEntityDesc">Structure </a>htmlEntityDesc</h3> <pre class="programlisting">struct _htmlEntityDesc { unsigned int value : the UNICODE value for the character const char * name : The entity name const char * desc : the description } htmlEntityDesc; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlEntityDescPtr">Typedef </a>htmlEntityDescPtr</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlEntityDesc">htmlEntityDesc</a> * htmlEntityDescPtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlNodePtr">Typedef </a>htmlNodePtr</h3> <pre class="programlisting"><a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> htmlNodePtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlParserCtxt">Typedef </a>htmlParserCtxt</h3> <pre class="programlisting"><a href="libxml2-tree.html#xmlParserCtxt">xmlParserCtxt</a> htmlParserCtxt; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlParserCtxtPtr">Typedef </a>htmlParserCtxtPtr</h3> <pre class="programlisting"><a href="libxml2-tree.html#xmlParserCtxtPtr">xmlParserCtxtPtr</a> htmlParserCtxtPtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlParserInput">Typedef </a>htmlParserInput</h3> <pre class="programlisting"><a href="libxml2-tree.html#xmlParserInput">xmlParserInput</a> htmlParserInput; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlParserInputPtr">Typedef </a>htmlParserInputPtr</h3> <pre class="programlisting"><a href="libxml2-tree.html#xmlParserInputPtr">xmlParserInputPtr</a> htmlParserInputPtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlParserNodeInfo">Typedef </a>htmlParserNodeInfo</h3> <pre class="programlisting"><a href="libxml2-parser.html#xmlParserNodeInfo">xmlParserNodeInfo</a> htmlParserNodeInfo; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlParserOption">Enum </a>htmlParserOption</h3> <pre class="programlisting">enum <a href="#htmlParserOption">htmlParserOption</a> { <a name="HTML_PARSE_RECOVER">HTML_PARSE_RECOVER</a> = 1 /* Relaxed parsing */ <a name="HTML_PARSE_NODEFDTD">HTML_PARSE_NODEFDTD</a> = 4 /* do not default a doctype if not found */ <a name="HTML_PARSE_NOERROR">HTML_PARSE_NOERROR</a> = 32 /* suppress error reports */ <a name="HTML_PARSE_NOWARNING">HTML_PARSE_NOWARNING</a> = 64 /* suppress warning reports */ <a name="HTML_PARSE_PEDANTIC">HTML_PARSE_PEDANTIC</a> = 128 /* pedantic error reporting */ <a name="HTML_PARSE_NOBLANKS">HTML_PARSE_NOBLANKS</a> = 256 /* remove blank nodes */ <a name="HTML_PARSE_NONET">HTML_PARSE_NONET</a> = 2048 /* Forbid network access */ <a name="HTML_PARSE_NOIMPLIED">HTML_PARSE_NOIMPLIED</a> = 8192 /* Do not add implied html/body... elements */ <a name="HTML_PARSE_COMPACT">HTML_PARSE_COMPACT</a> = 65536 /* compact small text nodes */ <a name="HTML_PARSE_IGNORE_ENC">HTML_PARSE_IGNORE_ENC</a> = 2097152 /* ignore internal document encoding hint */ }; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlSAXHandler">Typedef </a>htmlSAXHandler</h3> <pre class="programlisting"><a href="libxml2-tree.html#xmlSAXHandler">xmlSAXHandler</a> htmlSAXHandler; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlSAXHandlerPtr">Typedef </a>htmlSAXHandlerPtr</h3> <pre class="programlisting"><a href="libxml2-tree.html#xmlSAXHandlerPtr">xmlSAXHandlerPtr</a> htmlSAXHandlerPtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlStatus">Enum </a>htmlStatus</h3> <pre class="programlisting">enum <a href="#htmlStatus">htmlStatus</a> { <a name="HTML_NA">HTML_NA</a> = 0 /* something we don't check at all */ <a name="HTML_INVALID">HTML_INVALID</a> = 1 <a name="HTML_DEPRECATED">HTML_DEPRECATED</a> = 2 <a name="HTML_VALID">HTML_VALID</a> = 4 <a name="HTML_REQUIRED">HTML_REQUIRED</a> = 12 /* VALID bit set so ( & HTML_VALID ) is TRUE */ }; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="UTF8ToHtml"></a>UTF8ToHtml ()</h3> <pre class="programlisting">int UTF8ToHtml (unsigned char * out, <br> int * outlen, <br> const unsigned char * in, <br> int * inlen)<br> </pre> <p>Take a block of UTF-8 chars in and try to convert it to an ASCII plus HTML entities block of chars out.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>out</tt></i>:</span></td> <td>a pointer to an array of bytes to store the result</td> </tr> <tr> <td><span class="term"><i><tt>outlen</tt></i>:</span></td> <td>the length of @out</td> </tr> <tr> <td><span class="term"><i><tt>in</tt></i>:</span></td> <td>a pointer to an array of UTF-8 chars</td> </tr> <tr> <td><span class="term"><i><tt>inlen</tt></i>:</span></td> <td>the length of @in</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>0 if success, -2 if the transcoding fails, or -1 otherwise The value of @inlen after return is the number of octets consumed as the return value is positive, else unpredictable. The value of @outlen after return is the number of octets consumed.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlAttrAllowed"></a>htmlAttrAllowed ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlStatus">htmlStatus</a> htmlAttrAllowed (const <a href="libxml2-HTMLparser.html#htmlElemDesc">htmlElemDesc</a> * elt, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * attr, <br> int legacy)<br> </pre> <p>Checks whether an <a href="libxml2-SAX.html#attribute">attribute</a> is valid for an element Has full knowledge of Required and Deprecated attributes</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>elt</tt></i>:</span></td> <td>HTML element</td> </tr> <tr> <td><span class="term"><i><tt>attr</tt></i>:</span></td> <td>HTML <a href="libxml2-SAX.html#attribute">attribute</a> </td> </tr> <tr> <td><span class="term"><i><tt>legacy</tt></i>:</span></td> <td>whether to allow deprecated attributes</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>one of HTML_REQUIRED, HTML_VALID, HTML_DEPRECATED, <a href="libxml2-HTMLparser.html#HTML_INVALID">HTML_INVALID</a> </td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlAutoCloseTag"></a>htmlAutoCloseTag ()</h3> <pre class="programlisting">int htmlAutoCloseTag (<a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> doc, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br> <a href="libxml2-HTMLparser.html#htmlNodePtr">htmlNodePtr</a> elem)<br> </pre> <p>The HTML DTD allows a tag to implicitly close other tags. The list is kept in htmlStartClose array. This function checks if the element or one of it's children would autoclose the given tag.</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 HTML document</td> </tr> <tr> <td><span class="term"><i><tt>name</tt></i>:</span></td> <td>The tag name</td> </tr> <tr> <td><span class="term"><i><tt>elem</tt></i>:</span></td> <td>the HTML element</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>1 if autoclose, 0 otherwise</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlCreateMemoryParserCtxt"></a>htmlCreateMemoryParserCtxt ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> htmlCreateMemoryParserCtxt (const char * buffer, <br> int size)<br> </pre> <p>Create a parser context for an HTML in-memory document.</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 pointer to a char array</td> </tr> <tr> <td><span class="term"><i><tt>size</tt></i>:</span></td> <td>the size of the array</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the new parser context or NULL</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlCreatePushParserCtxt"></a>htmlCreatePushParserCtxt ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> htmlCreatePushParserCtxt (<a href="libxml2-HTMLparser.html#htmlSAXHandlerPtr">htmlSAXHandlerPtr</a> sax, <br> void * user_data, <br> const char * chunk, <br> int size, <br> const char * filename, <br> <a href="libxml2-encoding.html#xmlCharEncoding">xmlCharEncoding</a> enc)<br> </pre> <p>Create a parser context for using the HTML parser in push mode The value of @filename is used for fetching external entities and error/warning reports.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>sax</tt></i>:</span></td> <td>a SAX handler</td> </tr> <tr> <td><span class="term"><i><tt>user_data</tt></i>:</span></td> <td>The user data returned on SAX callbacks</td> </tr> <tr> <td><span class="term"><i><tt>chunk</tt></i>:</span></td> <td>a pointer to an array of chars</td> </tr> <tr> <td><span class="term"><i><tt>size</tt></i>:</span></td> <td>number of chars in the array</td> </tr> <tr> <td><span class="term"><i><tt>filename</tt></i>:</span></td> <td>an optional file name or URI</td> </tr> <tr> <td><span class="term"><i><tt>enc</tt></i>:</span></td> <td>an optional encoding</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the new parser context or NULL</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlCtxtReadDoc"></a>htmlCtxtReadDoc ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> htmlCtxtReadDoc (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * cur, <br> const char * URL, <br> const char * encoding, <br> int options)<br> </pre> <p>parse an XML in-memory document and build a tree. This reuses the existing @ctxt parser context</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>an HTML parser context</td> </tr> <tr> <td><span class="term"><i><tt>cur</tt></i>:</span></td> <td>a pointer to a zero terminated string</td> </tr> <tr> <td><span class="term"><i><tt>URL</tt></i>:</span></td> <td>the base URL to use for the document</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>the document encoding, or NULL</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a combination of htmlParserOption(s)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the resulting document tree</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlCtxtReadFd"></a>htmlCtxtReadFd ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> htmlCtxtReadFd (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> int fd, <br> const char * URL, <br> const char * encoding, <br> int options)<br> </pre> <p>parse an XML from a file descriptor and build a tree. This reuses the existing @ctxt parser context</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>an HTML parser context</td> </tr> <tr> <td><span class="term"><i><tt>fd</tt></i>:</span></td> <td>an open file descriptor</td> </tr> <tr> <td><span class="term"><i><tt>URL</tt></i>:</span></td> <td>the base URL to use for the document</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>the document encoding, or NULL</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a combination of htmlParserOption(s)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the resulting document tree</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlCtxtReadFile"></a>htmlCtxtReadFile ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> htmlCtxtReadFile (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> const char * filename, <br> const char * encoding, <br> int options)<br> </pre> <p>parse an XML file from the filesystem or the network. This reuses the existing @ctxt parser context</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>an HTML parser context</td> </tr> <tr> <td><span class="term"><i><tt>filename</tt></i>:</span></td> <td>a file or URL</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>the document encoding, or NULL</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a combination of htmlParserOption(s)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the resulting document tree</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlCtxtReadIO"></a>htmlCtxtReadIO ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> htmlCtxtReadIO (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> <a href="libxml2-xmlIO.html#xmlInputReadCallback">xmlInputReadCallback</a> ioread, <br> <a href="libxml2-xmlIO.html#xmlInputCloseCallback">xmlInputCloseCallback</a> ioclose, <br> void * ioctx, <br> const char * URL, <br> const char * encoding, <br> int options)<br> </pre> <p>parse an HTML document from I/O functions and source and build a tree. This reuses the existing @ctxt parser context</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>an HTML parser context</td> </tr> <tr> <td><span class="term"><i><tt>ioread</tt></i>:</span></td> <td>an I/O read 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>URL</tt></i>:</span></td> <td>the base URL to use for the document</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>the document encoding, or NULL</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a combination of htmlParserOption(s)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the resulting document tree</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlCtxtReadMemory"></a>htmlCtxtReadMemory ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> htmlCtxtReadMemory (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> const char * buffer, <br> int size, <br> const char * URL, <br> const char * encoding, <br> int options)<br> </pre> <p>parse an XML in-memory document and build a tree. This reuses the existing @ctxt parser context</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>an HTML parser context</td> </tr> <tr> <td><span class="term"><i><tt>buffer</tt></i>:</span></td> <td>a pointer to a char array</td> </tr> <tr> <td><span class="term"><i><tt>size</tt></i>:</span></td> <td>the size of the array</td> </tr> <tr> <td><span class="term"><i><tt>URL</tt></i>:</span></td> <td>the base URL to use for the document</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>the document encoding, or NULL</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a combination of htmlParserOption(s)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the resulting document tree</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlCtxtReset"></a>htmlCtxtReset ()</h3> <pre class="programlisting">void htmlCtxtReset (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt)<br> </pre> <p>Reset a parser context</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>an HTML parser context</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlCtxtUseOptions"></a>htmlCtxtUseOptions ()</h3> <pre class="programlisting">int htmlCtxtUseOptions (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> int options)<br> </pre> <p>Applies the options to the parser context</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>an HTML parser context</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a combination of htmlParserOption(s)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>0 in case of success, the set of unknown or unimplemented options in case of error.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlElementAllowedHere"></a>htmlElementAllowedHere ()</h3> <pre class="programlisting">int htmlElementAllowedHere (const <a href="libxml2-HTMLparser.html#htmlElemDesc">htmlElemDesc</a> * parent, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * elt)<br> </pre> <p>Checks whether an HTML element may be a direct child of a parent element. Note - doesn't check for deprecated elements</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>parent</tt></i>:</span></td> <td>HTML parent element</td> </tr> <tr> <td><span class="term"><i><tt>elt</tt></i>:</span></td> <td>HTML element</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>1 if allowed; 0 otherwise.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlElementStatusHere"></a>htmlElementStatusHere ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlStatus">htmlStatus</a> htmlElementStatusHere (const <a href="libxml2-HTMLparser.html#htmlElemDesc">htmlElemDesc</a> * parent, <br> const <a href="libxml2-HTMLparser.html#htmlElemDesc">htmlElemDesc</a> * elt)<br> </pre> <p>Checks whether an HTML element may be a direct child of a parent element. and if so whether it is valid or deprecated.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>parent</tt></i>:</span></td> <td>HTML parent element</td> </tr> <tr> <td><span class="term"><i><tt>elt</tt></i>:</span></td> <td>HTML element</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>one of HTML_VALID, HTML_DEPRECATED, <a href="libxml2-HTMLparser.html#HTML_INVALID">HTML_INVALID</a> </td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlEncodeEntities"></a>htmlEncodeEntities ()</h3> <pre class="programlisting">int htmlEncodeEntities (unsigned char * out, <br> int * outlen, <br> const unsigned char * in, <br> int * inlen, <br> int quoteChar)<br> </pre> <p>Take a block of UTF-8 chars in and try to convert it to an ASCII plus HTML entities block of chars out.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>out</tt></i>:</span></td> <td>a pointer to an array of bytes to store the result</td> </tr> <tr> <td><span class="term"><i><tt>outlen</tt></i>:</span></td> <td>the length of @out</td> </tr> <tr> <td><span class="term"><i><tt>in</tt></i>:</span></td> <td>a pointer to an array of UTF-8 chars</td> </tr> <tr> <td><span class="term"><i><tt>inlen</tt></i>:</span></td> <td>the length of @in</td> </tr> <tr> <td><span class="term"><i><tt>quoteChar</tt></i>:</span></td> <td>the quote character to escape (' or ") or zero.</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>0 if success, -2 if the transcoding fails, or -1 otherwise The value of @inlen after return is the number of octets consumed as the return value is positive, else unpredictable. The value of @outlen after return is the number of octets consumed.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlEntityLookup"></a>htmlEntityLookup ()</h3> <pre class="programlisting">const <a href="libxml2-HTMLparser.html#htmlEntityDesc">htmlEntityDesc</a> * htmlEntityLookup (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name)<br> </pre> <p>Lookup the given entity in EntitiesTable TODO: the linear scan is really ugly, an hash table is really needed.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>name</tt></i>:</span></td> <td>the entity name</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the associated <a href="libxml2-HTMLparser.html#htmlEntityDescPtr">htmlEntityDescPtr</a> if found, NULL otherwise.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlEntityValueLookup"></a>htmlEntityValueLookup ()</h3> <pre class="programlisting">const <a href="libxml2-HTMLparser.html#htmlEntityDesc">htmlEntityDesc</a> * htmlEntityValueLookup (unsigned int value)<br> </pre> <p>Lookup the given entity in EntitiesTable TODO: the linear scan is really ugly, an hash table is really needed.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>value</tt></i>:</span></td> <td>the entity's unicode value</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the associated <a href="libxml2-HTMLparser.html#htmlEntityDescPtr">htmlEntityDescPtr</a> if found, NULL otherwise.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlFreeParserCtxt"></a>htmlFreeParserCtxt ()</h3> <pre class="programlisting">void htmlFreeParserCtxt (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt)<br> </pre> <p>Free all the memory used by a parser context. However the parsed document in ctxt->myDoc is not freed.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>an HTML parser context</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlHandleOmittedElem"></a>htmlHandleOmittedElem ()</h3> <pre class="programlisting">int htmlHandleOmittedElem (int val)<br> </pre> <p>Set and return the previous value for handling HTML omitted tags.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>val</tt></i>:</span></td> <td>int 0 or 1</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the last value for 0 for no handling, 1 for auto insertion.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlIsAutoClosed"></a>htmlIsAutoClosed ()</h3> <pre class="programlisting">int htmlIsAutoClosed (<a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> doc, <br> <a href="libxml2-HTMLparser.html#htmlNodePtr">htmlNodePtr</a> elem)<br> </pre> <p>The HTML DTD allows a tag to implicitly close other tags. The list is kept in htmlStartClose array. This function checks if a tag is autoclosed by one of it's child</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 HTML document</td> </tr> <tr> <td><span class="term"><i><tt>elem</tt></i>:</span></td> <td>the HTML element</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>1 if autoclosed, 0 otherwise</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlIsScriptAttribute"></a>htmlIsScriptAttribute ()</h3> <pre class="programlisting">int htmlIsScriptAttribute (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name)<br> </pre> <p>Check if an <a href="libxml2-SAX.html#attribute">attribute</a> is of content type Script</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>name</tt></i>:</span></td> <td>an <a href="libxml2-SAX.html#attribute">attribute</a> name</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>1 is the <a href="libxml2-SAX.html#attribute">attribute</a> is a script 0 otherwise</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlNewParserCtxt"></a>htmlNewParserCtxt ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> htmlNewParserCtxt (void)<br> </pre> <p>Allocate and initialize a new parser context.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the <a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> or NULL in case of allocation error</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlNodeStatus"></a>htmlNodeStatus ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlStatus">htmlStatus</a> htmlNodeStatus (const <a href="libxml2-HTMLparser.html#htmlNodePtr">htmlNodePtr</a> node, <br> int legacy)<br> </pre> <p>Checks whether the tree node is valid. Experimental (the author only uses the HTML enhancements in a SAX parser)</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>node</tt></i>:</span></td> <td>an <a href="libxml2-HTMLparser.html#htmlNodePtr">htmlNodePtr</a> in a tree</td> </tr> <tr> <td><span class="term"><i><tt>legacy</tt></i>:</span></td> <td>whether to allow deprecated elements (YES is faster here for Element nodes)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>for Element nodes, a return from <a href="libxml2-HTMLparser.html#htmlElementAllowedHere">htmlElementAllowedHere</a> (if legacy allowed) or <a href="libxml2-HTMLparser.html#htmlElementStatusHere">htmlElementStatusHere</a> (otherwise). for Attribute nodes, a return from <a href="libxml2-HTMLparser.html#htmlAttrAllowed">htmlAttrAllowed</a> for other nodes, <a href="libxml2-HTMLparser.html#HTML_NA">HTML_NA</a> (no checks performed)</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlParseCharRef"></a>htmlParseCharRef ()</h3> <pre class="programlisting">int htmlParseCharRef (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt)<br> </pre> <p>parse Reference declarations [66] CharRef ::= '&#' [0-9]+ ';' | '&#x' [0-9a-fA-F]+ ';'</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>an HTML parser context</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the value parsed (as an int)</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlParseChunk"></a>htmlParseChunk ()</h3> <pre class="programlisting">int htmlParseChunk (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> const char * chunk, <br> int size, <br> int terminate)<br> </pre> <p>Parse a Chunk of memory</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>an HTML parser context</td> </tr> <tr> <td><span class="term"><i><tt>chunk</tt></i>:</span></td> <td>an char array</td> </tr> <tr> <td><span class="term"><i><tt>size</tt></i>:</span></td> <td>the size in byte of the chunk</td> </tr> <tr> <td><span class="term"><i><tt>terminate</tt></i>:</span></td> <td>last chunk indicator</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>zero if no error, the <a href="libxml2-xmlerror.html#xmlParserErrors">xmlParserErrors</a> otherwise.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlParseDoc"></a>htmlParseDoc ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> htmlParseDoc (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * cur, <br> const char * encoding)<br> </pre> <p>parse an HTML in-memory document and build a tree.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>cur</tt></i>:</span></td> <td>a pointer to an array of <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> </td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>a free form C string describing the HTML document encoding, or NULL</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the resulting document tree</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlParseDocument"></a>htmlParseDocument ()</h3> <pre class="programlisting">int htmlParseDocument (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt)<br> </pre> <p>parse an HTML document (and build a tree if using the standard SAX interface).</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>an HTML parser context</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>0, -1 in case of error. the parser context is augmented as a result of the parsing.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlParseElement"></a>htmlParseElement ()</h3> <pre class="programlisting">void htmlParseElement (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt)<br> </pre> <p>parse an HTML element, this is highly recursive this is kept for compatibility with previous code versions [39] element ::= EmptyElemTag | STag content ETag [41] Attribute ::= Name Eq AttValue</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>an HTML parser context</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlParseEntityRef"></a>htmlParseEntityRef ()</h3> <pre class="programlisting">const <a href="libxml2-HTMLparser.html#htmlEntityDesc">htmlEntityDesc</a> * htmlParseEntityRef (<a href="libxml2-HTMLparser.html#htmlParserCtxtPtr">htmlParserCtxtPtr</a> ctxt, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** str)<br> </pre> <p>parse an HTML ENTITY references [68] EntityRef ::= '&' Name ';'</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>an HTML parser context</td> </tr> <tr> <td><span class="term"><i><tt>str</tt></i>:</span></td> <td>location to store the entity name</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the associated <a href="libxml2-HTMLparser.html#htmlEntityDescPtr">htmlEntityDescPtr</a> if found, or NULL otherwise, if non-NULL *str will have to be freed by the caller.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlParseFile"></a>htmlParseFile ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> htmlParseFile (const char * filename, <br> const char * encoding)<br> </pre> <p>parse an HTML file and build a tree. Automatic support for ZLIB/Compress compressed document is provided by default if found at compile-time.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>filename</tt></i>:</span></td> <td>the filename</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>a free form C string describing the HTML document encoding, or NULL</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the resulting document tree</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlReadDoc"></a>htmlReadDoc ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> htmlReadDoc (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * cur, <br> const char * URL, <br> const char * encoding, <br> int options)<br> </pre> <p>parse an XML in-memory document and build a tree.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>cur</tt></i>:</span></td> <td>a pointer to a zero terminated string</td> </tr> <tr> <td><span class="term"><i><tt>URL</tt></i>:</span></td> <td>the base URL to use for the document</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>the document encoding, or NULL</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a combination of htmlParserOption(s)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the resulting document tree</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlReadFd"></a>htmlReadFd ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> htmlReadFd (int fd, <br> const char * URL, <br> const char * encoding, <br> int options)<br> </pre> <p>parse an HTML from a file descriptor and build a tree. NOTE that the file descriptor will not be closed when the reader is closed or reset.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>fd</tt></i>:</span></td> <td>an open file descriptor</td> </tr> <tr> <td><span class="term"><i><tt>URL</tt></i>:</span></td> <td>the base URL to use for the document</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>the document encoding, or NULL</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a combination of htmlParserOption(s)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the resulting document tree</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlReadFile"></a>htmlReadFile ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> htmlReadFile (const char * filename, <br> const char * encoding, <br> int options)<br> </pre> <p>parse an XML file from the filesystem or the network.</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 or URL</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>the document encoding, or NULL</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a combination of htmlParserOption(s)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the resulting document tree</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlReadIO"></a>htmlReadIO ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> htmlReadIO (<a href="libxml2-xmlIO.html#xmlInputReadCallback">xmlInputReadCallback</a> ioread, <br> <a href="libxml2-xmlIO.html#xmlInputCloseCallback">xmlInputCloseCallback</a> ioclose, <br> void * ioctx, <br> const char * URL, <br> const char * encoding, <br> int options)<br> </pre> <p>parse an HTML document from I/O functions and source and build a tree.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ioread</tt></i>:</span></td> <td>an I/O read 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>URL</tt></i>:</span></td> <td>the base URL to use for the document</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>the document encoding, or NULL</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a combination of htmlParserOption(s)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the resulting document tree</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlReadMemory"></a>htmlReadMemory ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> htmlReadMemory (const char * buffer, <br> int size, <br> const char * URL, <br> const char * encoding, <br> int options)<br> </pre> <p>parse an XML in-memory document and build a tree.</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 pointer to a char array</td> </tr> <tr> <td><span class="term"><i><tt>size</tt></i>:</span></td> <td>the size of the array</td> </tr> <tr> <td><span class="term"><i><tt>URL</tt></i>:</span></td> <td>the base URL to use for the document</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>the document encoding, or NULL</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a combination of htmlParserOption(s)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the resulting document tree</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlSAXParseDoc"></a>htmlSAXParseDoc ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> htmlSAXParseDoc (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * cur, <br> const char * encoding, <br> <a href="libxml2-HTMLparser.html#htmlSAXHandlerPtr">htmlSAXHandlerPtr</a> sax, <br> void * userData)<br> </pre> <p>Parse an HTML in-memory document. If sax is not NULL, use the SAX callbacks to handle parse events. If sax is NULL, fallback to the default DOM behavior and return a tree.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>cur</tt></i>:</span></td> <td>a pointer to an array of <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> </td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>a free form C string describing the HTML document encoding, or NULL</td> </tr> <tr> <td><span class="term"><i><tt>sax</tt></i>:</span></td> <td>the SAX handler block</td> </tr> <tr> <td><span class="term"><i><tt>userData</tt></i>:</span></td> <td>if using SAX, this pointer will be provided on callbacks.</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the resulting document tree unless SAX is NULL or the document is not well formed.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlSAXParseFile"></a>htmlSAXParseFile ()</h3> <pre class="programlisting"><a href="libxml2-HTMLparser.html#htmlDocPtr">htmlDocPtr</a> htmlSAXParseFile (const char * filename, <br> const char * encoding, <br> <a href="libxml2-HTMLparser.html#htmlSAXHandlerPtr">htmlSAXHandlerPtr</a> sax, <br> void * userData)<br> </pre> <p>parse an HTML file and build a tree. Automatic support for ZLIB/Compress compressed document is provided by default if found at compile-time. It use the given SAX function block to handle the parsing callback. If sax is NULL, fallback to the default DOM tree building routines.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>filename</tt></i>:</span></td> <td>the filename</td> </tr> <tr> <td><span class="term"><i><tt>encoding</tt></i>:</span></td> <td>a free form C string describing the HTML document encoding, or NULL</td> </tr> <tr> <td><span class="term"><i><tt>sax</tt></i>:</span></td> <td>the SAX handler block</td> </tr> <tr> <td><span class="term"><i><tt>userData</tt></i>:</span></td> <td>if using SAX, this pointer will be provided on callbacks.</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the resulting document tree unless SAX is NULL or the document is not well formed.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="htmlTagLookup"></a>htmlTagLookup ()</h3> <pre class="programlisting">const <a href="libxml2-HTMLparser.html#htmlElemDesc">htmlElemDesc</a> * htmlTagLookup (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * tag)<br> </pre> <p>Lookup the HTML tag in the ElementTable</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>tag</tt></i>:</span></td> <td>The tag name in lowercase</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the related <a href="libxml2-HTMLparser.html#htmlElemDescPtr">htmlElemDescPtr</a> or NULL if not found.</td> </tr> </tbody> </table></div> </div> <hr> </div> </div> </body> </html>
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