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>xslt_set_sax_handlers</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN247065"
></A
><P
> (PHP 4 >= 4.0.6, PECL)</P
>xslt_set_sax_handlers --
Set the SAX handlers to be called when the XML document gets processed
</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN247068"
></A
><H2
>Description</H2
>void <B
CLASS="methodname"
>xslt_set_sax_handlers</B
> ( resource processor, array handlers )<BR
></BR
><P
> <B
CLASS="function"
>xslt_set_sax_handlers()</B
> registers the SAX
<CODE
CLASS="parameter"
>handlers</CODE
> for the document, given a XSLT
<CODE
CLASS="parameter"
>processor</CODE
> resource.
</P
><P
> <CODE
CLASS="parameter"
>handlers</CODE
> should be an array in the following format:
<DIV
CLASS="informalexample"
><P
></P
><A
NAME="AEN247085"
></A
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB"><?php<br /><br />$handlers </font><font color="#007700">= array(<br /><br /> </font><font color="#DD0000">"document" </font><font color="#007700">=> array(<br /> </font><font color="#DD0000">"start_doc"</font><font color="#007700">,<br /> </font><font color="#DD0000">"end_doc"</font><font color="#007700">),<br /><br /> </font><font color="#DD0000">"element" </font><font color="#007700">=> array(<br /> </font><font color="#DD0000">"start_element"</font><font color="#007700">,<br /> </font><font color="#DD0000">"end_element"</font><font color="#007700">),<br /><br /> </font><font color="#DD0000">"namespace" </font><font color="#007700">=> array(<br /> </font><font color="#DD0000">"start_namespace"</font><font color="#007700">,<br /> </font><font color="#DD0000">"end_namespace"</font><font color="#007700">),<br /><br /> </font><font color="#DD0000">"comment" </font><font color="#007700">=> </font><font color="#DD0000">"comment"</font><font color="#007700">,<br /><br /> </font><font color="#DD0000">"pi" </font><font color="#007700">=> </font><font color="#DD0000">"pi"</font><font color="#007700">,<br /><br /> </font><font color="#DD0000">"character" </font><font color="#007700">=> </font><font color="#DD0000">"characters"<br /><br /></font><font color="#007700">);<br /></font><font color="#0000BB">?></font>
</font>
</code></TD
></TR
></TABLE
><P
></P
></DIV
>
Where the functions follow the syntax described for the scheme handler
functions.
</P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
The given array does not need to contain all of the different sax
handler elements (although it can), but it only needs to conform to
"handler" => "function" format described above.
</P
></BLOCKQUOTE
></DIV
><P
> Each of the individual SAX handler functions are in the format below:
<P
></P
><UL
><LI
><P
> <B
CLASS="methodname"
><TT
CLASS="replaceable"
><I
>start_doc</I
></TT
></B
> ( resource processor )<BR
></BR
>
</P
></LI
><LI
><P
> <B
CLASS="methodname"
><TT
CLASS="replaceable"
><I
>end_doc</I
></TT
></B
> ( resource processor )<BR
></BR
>
</P
></LI
><LI
><P
> <B
CLASS="methodname"
><TT
CLASS="replaceable"
><I
>start_element</I
></TT
></B
> ( resource processor, string name, array attributes )<BR
></BR
>
</P
></LI
><LI
><P
> <B
CLASS="methodname"
><TT
CLASS="replaceable"
><I
>end_element</I
></TT
></B
> ( resource processor, string name )<BR
></BR
>
</P
></LI
><LI
><P
> <B
CLASS="methodname"
><TT
CLASS="replaceable"
><I
>start_namespace</I
></TT
></B
> ( resource processor, string prefix, string uri )<BR
></BR
>
</P
></LI
><LI
><P
> <B
CLASS="methodname"
><TT
CLASS="replaceable"
><I
>end_namespace</I
></TT
></B
> ( resource processor, string prefix )<BR
></BR
>
</P
></LI
><LI
><P
> <B
CLASS="methodname"
><TT
CLASS="replaceable"
><I
>comment</I
></TT
></B
> ( resource processor, string contents )<BR
></BR
>
</P
></LI
><LI
><P
> <B
CLASS="methodname"
><TT
CLASS="replaceable"
><I
>pi</I
></TT
></B
> ( resource processor, string target, string contents )<BR
></BR
>
</P
></LI
><LI
><P
> <B
CLASS="methodname"
><TT
CLASS="replaceable"
><I
>characters</I
></TT
></B
> ( resource processor, string contents )<BR
></BR
>
</P
></LI
></UL
>
</P
><P
> Using <B
CLASS="function"
>xslt_set_sax_handlers()</B
> doesn't look very different than
running a SAX parser like <A
HREF="function.xml-parse.html"
><B
CLASS="function"
>xml_parse()</B
></A
> on the result of an
<A
HREF="function.xslt-process.html"
><B
CLASS="function"
>xslt_process()</B
></A
> transformation.
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN247197"
></A
><H2
>范例</H2
><TABLE
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><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN247199"
></A
><P
><B
>例 1. <B
CLASS="function"
>xslt_set_sax_handlers()</B
> Example</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB"><?php<br /></font><font color="#FF8000">// From ohlesbeauxjours at yahoo dot fr<br />// Here's a simple example that applies strtoupper() on <br />// the content of every <auteur> tag and then displays the <br />// resulting XML tree:<br /><br /></font><font color="#0000BB">$xml</font><font color="#007700">=</font><font color="#DD0000">'<?xml version="1.0"?><br /><books><br /> <book><br /> <title>Mme Bovary</title><br /> <author>Gustave Flaubert</author><br /> </book><br /> <book><br /> <title>Mrs Dalloway</title><br /> <author>Virginia Woolf</author><br /> </book><br /></books>'</font><font color="#007700">;<br /><br /></font><font color="#0000BB">$xsl</font><font color="#007700">=</font><font color="#DD0000">'<?xml version="1.0"?><br /><xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"><br /><xsl:output method="html" encoding="ISO-8859-1" indent="no" omit-xml-declaration="yes"/><br /><xsl:template match="/"><br /> <xsl:for-each select="books/book"><br /> <livre><br /> <auteur><xsl:value-of select="author/text()"/></auteur><br /> </livre><br /> </xsl:for-each><br /></xsl:template><br /></xsl:stylesheet>'</font><font color="#007700">;<br /><br /></font><font color="#FF8000">// Handlers :<br /></font><font color="#007700">function </font><font color="#0000BB">start_document</font><font color="#007700">() <br />{<br /> </font><font color="#FF8000">// start reading the document<br /></font><font color="#007700">}<br /><br />function </font><font color="#0000BB">end_document</font><font color="#007700">() <br />{<br /> </font><font color="#FF8000">// end reading the document<br /></font><font color="#007700">}<br /><br />function </font><font color="#0000BB">start_element</font><font color="#007700">(</font><font color="#0000BB">$parser</font><font color="#007700">, </font><font color="#0000BB">$name</font><font color="#007700">, </font><font color="#0000BB">$attributes</font><font color="#007700">) <br />{<br /> global </font><font color="#0000BB">$result</font><font color="#007700">,</font><font color="#0000BB">$tag</font><font color="#007700">;<br /> </font><font color="#0000BB">$result </font><font color="#007700">.= </font><font color="#DD0000">"<"</font><font color="#007700">. </font><font color="#0000BB">$name </font><font color="#007700">. </font><font color="#DD0000">">"</font><font color="#007700">;<br /> </font><font color="#0000BB">$tag </font><font color="#007700">= </font><font color="#0000BB">$name</font><font color="#007700">;<br />}<br /><br />function </font><font color="#0000BB">end_element</font><font color="#007700">(</font><font color="#0000BB">$parser</font><font color="#007700">, </font><font color="#0000BB">$name</font><font color="#007700">) <br />{<br /> global </font><font color="#0000BB">$result</font><font color="#007700">;<br /> </font><font color="#0000BB">$result </font><font color="#007700">.= </font><font color="#DD0000">"</" </font><font color="#007700">. </font><font color="#0000BB">$name </font><font color="#007700">. </font><font color="#DD0000">">"</font><font color="#007700">;<br />}<br /><br />function </font><font color="#0000BB">characters</font><font color="#007700">(</font><font color="#0000BB">$parser</font><font color="#007700">, </font><font color="#0000BB">$data</font><font color="#007700">) <br />{<br /> global </font><font color="#0000BB">$result</font><font color="#007700">,</font><font color="#0000BB">$tag</font><font color="#007700">;<br /> if (</font><font color="#0000BB">$tag </font><font color="#007700">== </font><font color="#DD0000">"auteur" </font><font color="#007700">) {<br /> </font><font color="#0000BB">$data </font><font color="#007700">= </font><font color="#0000BB">strtoupper</font><font color="#007700">(</font><font color="#0000BB">$data</font><font color="#007700">);<br /> }<br /> </font><font color="#0000BB">$result </font><font color="#007700">.= </font><font color="#0000BB">$data</font><font color="#007700">;<br />}<br /><br /></font><font color="#FF8000">// Transformation :<br /></font><font color="#0000BB">$xh </font><font color="#007700">= </font><font color="#0000BB">xslt_create</font><font color="#007700">();<br /></font><font color="#0000BB">$handlers </font><font color="#007700">= array(</font><font color="#DD0000">"document" </font><font color="#007700">=> array(</font><font color="#DD0000">"start_document"</font><font color="#007700">,</font><font color="#DD0000">"end_document"</font><font color="#007700">),<br /> </font><font color="#DD0000">"element" </font><font color="#007700">=> array(</font><font color="#DD0000">"start_element"</font><font color="#007700">,</font><font color="#DD0000">"end_element"</font><font color="#007700">),<br /> </font><font color="#DD0000">"character" </font><font color="#007700">=> </font><font color="#DD0000">"characters"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">xslt_set_sax_handlers</font><font color="#007700">(</font><font color="#0000BB">$xh</font><font color="#007700">, </font><font color="#0000BB">$handlers</font><font color="#007700">);<br /></font><font color="#0000BB">xslt_process</font><font color="#007700">(</font><font color="#0000BB">$xh</font><font color="#007700">, </font><font color="#DD0000">'arg:/_xml'</font><font color="#007700">, </font><font color="#DD0000">'arg:/_xsl'</font><font color="#007700">, </font><font color="#0000BB">NULL</font><font color="#007700">, array(</font><font color="#DD0000">"/_xml"</font><font color="#007700">=></font><font color="#0000BB">$xml</font><font color="#007700">, </font><font color="#DD0000">"/_xsl"</font><font color="#007700">=></font><font color="#0000BB">$xsl</font><font color="#007700">));<br /></font><font color="#0000BB">xslt_free</font><font color="#007700">(</font><font color="#0000BB">$xh</font><font color="#007700">);<br /></font><font color="#0000BB">?></font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
><P
> You can also use <A
HREF="function.xslt-set-object.html"
><B
CLASS="function"
>xslt_set_object()</B
></A
> if you want to
implement your handlers in an object.
</P
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN247205"
></A
><P
><B
>例 2. Object oriented handler</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB"><?php<br /></font><font color="#FF8000">// This is the object oriented version of the previous example<br /></font><font color="#007700">class </font><font color="#0000BB">data_sax_handler </font><font color="#007700">{<br /><br /> var </font><font color="#0000BB">$buffer</font><font color="#007700">, </font><font color="#0000BB">$tag</font><font color="#007700">, </font><font color="#0000BB">$attrs</font><font color="#007700">;<br /><br /> var </font><font color="#0000BB">$_xh</font><font color="#007700">;<br /><br /> function </font><font color="#0000BB">data_sax_handler</font><font color="#007700">(</font><font color="#0000BB">$xml</font><font color="#007700">, </font><font color="#0000BB">$xsl</font><font color="#007700">)<br /> {<br /> </font><font color="#FF8000">// our xslt resource<br /> </font><font color="#0000BB">$this</font><font color="#007700">-></font><font color="#0000BB">_xh </font><font color="#007700">= </font><font color="#0000BB">xslt_create</font><font color="#007700">();<br /><br /> </font><font color="#0000BB">xslt_set_object</font><font color="#007700">(</font><font color="#0000BB">$this</font><font color="#007700">-></font><font color="#0000BB">_xs</font><font color="#007700">, </font><font color="#0000BB">$this</font><font color="#007700">);<br /><br /> </font><font color="#FF8000">// configure sax handlers<br /> </font><font color="#0000BB">$handlers </font><font color="#007700">= array(<br /> </font><font color="#DD0000">"document" </font><font color="#007700">=> array(</font><font color="#DD0000">'start_document'</font><font color="#007700">, </font><font color="#DD0000">'end_document'</font><font color="#007700">),<br /> </font><font color="#DD0000">"element" </font><font color="#007700">=> array(</font><font color="#DD0000">'start_element'</font><font color="#007700">, </font><font color="#DD0000">'end_element'</font><font color="#007700">),<br /> </font><font color="#DD0000">"character" </font><font color="#007700">=> </font><font color="#DD0000">'characters'<br /> </font><font color="#007700">);<br /><br /> </font><font color="#0000BB">xslt_set_sax_handlers</font><font color="#007700">(</font><font color="#0000BB">$this</font><font color="#007700">-></font><font color="#0000BB">_xh</font><font color="#007700">, </font><font color="#0000BB">$handlers</font><font color="#007700">);<br /> <br /> </font><font color="#0000BB">xslt_process</font><font color="#007700">(</font><font color="#0000BB">$this</font><font color="#007700">-></font><font color="#0000BB">_xh</font><font color="#007700">, </font><font color="#DD0000">'arg:/_xml'</font><font color="#007700">, </font><font color="#DD0000">'arg:/_xsl'</font><font color="#007700">, </font><font color="#0000BB">NULL</font><font color="#007700">, array(</font><font color="#DD0000">"/_xml"</font><font color="#007700">=></font><font color="#0000BB">$xml</font><font color="#007700">, </font><font color="#DD0000">"/_xsl"</font><font color="#007700">=></font><font color="#0000BB">$xsl</font><font color="#007700">));<br /> </font><font color="#0000BB">xslt_free</font><font color="#007700">(</font><font color="#0000BB">$this</font><font color="#007700">-></font><font color="#0000BB">_xh</font><font color="#007700">);<br /><br /><br /> }<br /><br /> function </font><font color="#0000BB">start_document</font><font color="#007700">() <br /> {<br /> </font><font color="#FF8000">// start reading the document<br /> </font><font color="#007700">}<br /><br /> function </font><font color="#0000BB">end_document</font><font color="#007700">() {<br /> </font><font color="#FF8000">// complete reading the document<br /> </font><font color="#007700">}<br /><br /> function </font><font color="#0000BB">start_element</font><font color="#007700">(</font><font color="#0000BB">$parser</font><font color="#007700">, </font><font color="#0000BB">$name</font><font color="#007700">, </font><font color="#0000BB">$attributes</font><font color="#007700">) {<br /> </font><font color="#0000BB">$this</font><font color="#007700">-></font><font color="#0000BB">tag </font><font color="#007700">= </font><font color="#0000BB">$name</font><font color="#007700">;<br /> </font><font color="#0000BB">$this</font><font color="#007700">-></font><font color="#0000BB">buffer </font><font color="#007700">.= </font><font color="#DD0000">"<" </font><font color="#007700">. </font><font color="#0000BB">$name </font><font color="#007700">. </font><font color="#DD0000">">"</font><font color="#007700">;<br /> </font><font color="#0000BB">$this</font><font color="#007700">-></font><font color="#0000BB">attrs </font><font color="#007700">= </font><font color="#0000BB">$attributes</font><font color="#007700">;<br /> }<br /><br /> function </font><font color="#0000BB">end_element</font><font color="#007700">(</font><font color="#0000BB">$parser</font><font color="#007700">, </font><font color="#0000BB">$name</font><font color="#007700">)<br /> {<br /> </font><font color="#0000BB">$this</font><font color="#007700">-></font><font color="#0000BB">tag </font><font color="#007700">= </font><font color="#DD0000">''</font><font color="#007700">;<br /> </font><font color="#0000BB">$this</font><font color="#007700">-></font><font color="#0000BB">buffer </font><font color="#007700">.= </font><font color="#DD0000">"</" </font><font color="#007700">. </font><font color="#0000BB">$name </font><font color="#007700">. </font><font color="#DD0000">">"</font><font color="#007700">;<br /> }<br /><br /> function </font><font color="#0000BB">characters</font><font color="#007700">(</font><font color="#0000BB">$parser</font><font color="#007700">, </font><font color="#0000BB">$data</font><font color="#007700">)<br /> {<br /> if (</font><font color="#0000BB">$this</font><font color="#007700">-></font><font color="#0000BB">tag </font><font color="#007700">== </font><font color="#DD0000">'auteur'</font><font color="#007700">) {<br /> </font><font color="#0000BB">$data </font><font color="#007700">= </font><font color="#0000BB">strtoupper</font><font color="#007700">(</font><font color="#0000BB">$data</font><font color="#007700">);<br /> }<br /> </font><font color="#0000BB">$this</font><font color="#007700">-></font><font color="#0000BB">buffer </font><font color="#007700">.= </font><font color="#0000BB">$data</font><font color="#007700">;<br /> }<br /> <br /> function </font><font color="#0000BB">get_buffer</font><font color="#007700">() {<br /> return </font><font color="#0000BB">$this</font><font color="#007700">-></font><font color="#0000BB">buffer</font><font color="#007700">;<br /> }<br /><br />}<br /><br /></font><font color="#0000BB">$exec </font><font color="#007700">= new </font><font color="#0000BB">data_sax_handler</font><font color="#007700">(</font><font color="#0000BB">$xml</font><font color="#007700">, </font><font color="#0000BB">$xsl</font><font color="#007700">);<br /><br /></font><font color="#0000BB">?></font>
</font>
</code></TD
></TR
></TABLE
><P
> Both examples will output:
</P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="xml"
><livre>
<auteur>GUSTAVE FLAUBERT</auteur>
</livre>
<livre>
<auteur>VIRGINIA WOOLF</auteur>
</livre></PRE
></TD
></TR
></TABLE
></DIV
></TD
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