aboutsummaryrefslogtreecommitdiffstats
path: root/vendor/ezyang/htmlpurifier/extras/ConfigDoc/HTMLXSLTProcessor.php
blob: 1cfec5d76274848479ef69678b734f847a9a56c0 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
<?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