friendica/library/ezyang/htmlpurifier/extras/ConfigDoc/HTMLXSLTProcessor.php

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2016-02-09 11:06:17 +01:00
<?php
/**
* Decorator/extender XSLT processor specifically for HTML documents.
*/
class ConfigDoc_HTMLXSLTProcessor
{
/**
* Instance of XSLTProcessor
*/
protected $xsltProcessor;
public function __construct($proc = false)
{
if ($proc === false) $proc = new XSLTProcessor();
$this->xsltProcessor = $proc;
}
/**
* @note Allows a string $xsl filename to be passed
*/
public function importStylesheet($xsl)
{
if (is_string($xsl)) {
$xsl_file = $xsl;
$xsl = new DOMDocument();
$xsl->load($xsl_file);
}
return $this->xsltProcessor->importStylesheet($xsl);
}
/**
* Transforms an XML file into compatible XHTML based on the stylesheet
* @param $xml XML DOM tree, or string filename
* @return string HTML output
* @todo Rename to transformToXHTML, as transformToHTML is misleading
*/
public function transformToHTML($xml)
{
if (is_string($xml)) {
$dom = new DOMDocument();
$dom->load($xml);
} else {
$dom = $xml;
}
$out = $this->xsltProcessor->transformToXML($dom);
// fudges for HTML backwards compatibility
// assumes that document is XHTML
$out = str_replace('/>', ' />', $out); // <br /> not <br/>
$out = str_replace(' xmlns=""', '', $out); // rm unnecessary xmlns
if (class_exists('Tidy')) {
// cleanup output
$config = array(
'indent' => true,
'output-xhtml' => true,
'wrap' => 80
);
$tidy = new Tidy;
$tidy->parseString($out, $config, 'utf8');
$tidy->cleanRepair();
$out = (string) $tidy;
}
return $out;
}
/**
* Bulk sets parameters for the XSL stylesheet
* @param array $options Associative array of options to set
*/
public function setParameters($options)
{
foreach ($options as $name => $value) {
$this->xsltProcessor->setParameter('', $name, $value);
}
}
/**
* Forward any other calls to the XSLT processor
*/
public function __call($name, $arguments)
{
call_user_func_array(array($this->xsltProcessor, $name), $arguments);
}
}
// vim: et sw=4 sts=4