Subversion-Projekte lars-tiefland.laravel_shop

Revision

Details | Letzte Änderung | Log anzeigen | RSS feed

Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
2 
 
3 
namespace TijsVerkoyen\CssToInlineStyles\Css\Property;
4 
 
5 
use Symfony\Component\CssSelector\Node\Specificity;
6 
 
7 
class Processor
8 
{
9 
    /**
10 
     * Split a string into separate properties
11 
     *
12 
     * @param string $propertiesString
13 
     *
14 
     * @return string[]
15 
     */
16 
    public function splitIntoSeparateProperties($propertiesString)
17 
    {
18 
        $propertiesString = $this->cleanup($propertiesString);
19 
 
20 
        $properties = (array) explode(';', $propertiesString);
21 
        $keysToRemove = array();
22 
        $numberOfProperties = count($properties);
23 
 
24 
        for ($i = 0; $i < $numberOfProperties; $i++) {
25 
            $properties[$i] = trim($properties[$i]);
26 
 
27 
            // if the new property begins with base64 it is part of the current property
28 
            if (isset($properties[$i + 1]) && strpos(trim($properties[$i + 1]), 'base64,') === 0) {
29 
                $properties[$i] .= ';' . trim($properties[$i + 1]);
30 
                $keysToRemove[] = $i + 1;
31 
            }
32 
        }
33 
 
34 
        if (!empty($keysToRemove)) {
35 
            foreach ($keysToRemove as $key) {
36 
                unset($properties[$key]);
37 
            }
38 
        }
39 
 
40 
        return array_values($properties);
41 
    }
42 
 
43 
    /**
44 
     * @param string $string
45 
     *
46 
     * @return string
47 
     */
48 
    private function cleanup($string)
49 
    {
50 
        $string = str_replace(array("\r", "\n"), '', $string);
51 
        $string = str_replace(array("\t"), ' ', $string);
52 
        $string = str_replace('"', '\'', $string);
53 
        $string = preg_replace('|/\*.*?\*/|', '', $string);
54 
        $string = preg_replace('/\s\s+/', ' ', $string);
55 
 
56 
        $string = trim($string);
57 
        $string = rtrim($string, ';');
58 
 
59 
        return $string;
60 
    }
61 
 
62 
    /**
63 
     * Converts a property-string into an object
64 
     *
65 
     * @param string $property
66 
     *
67 
     * @return Property|null
68 
     */
69 
    public function convertToObject($property, Specificity $specificity = null)
70 
    {
71 
        if (strpos($property, ':') === false) {
72 
            return null;
73 
        }
74 
 
75 
        list($name, $value) = explode(':', $property, 2);
76 
 
77 
        $name = trim($name);
78 
        $value = trim($value);
79 
 
80 
        if ($value === '') {
81 
            return null;
82 
        }
83 
 
84 
        return new Property($name, $value, $specificity);
85 
    }
86 
 
87 
    /**
88 
     * Converts an array of property-strings into objects
89 
     *
90 
     * @param string[] $properties
91 
     *
92 
     * @return Property[]
93 
     */
94 
    public function convertArrayToObjects(array $properties, Specificity $specificity = null)
95 
    {
96 
        $objects = array();
97 
 
98 
        foreach ($properties as $property) {
99 
            $object = $this->convertToObject($property, $specificity);
100 
            if ($object === null) {
101 
                continue;
102 
            }
103 
 
104 
            $objects[] = $object;
105 
        }
106 
 
107 
        return $objects;
108 
    }
109 
 
110 
    /**
111 
     * Build the property-string for multiple properties
112 
     *
113 
     * @param Property[] $properties
114 
     *
115 
     * @return string
116 
     */
117 
    public function buildPropertiesString(array $properties)
118 
    {
119 
        $chunks = array();
120 
 
121 
        foreach ($properties as $property) {
122 
            $chunks[] = $property->toString();
123 
        }
124 
 
125 
        return implode(' ', $chunks);
126 
    }
127 
}