Proyectos de Subversion Moodle

Rev

| Ultima modificación | Ver Log |

Rev Autor Línea Nro. Línea
1441 ariadna 1 
<?php
2 
 
3 
namespace Sabberworm\CSS\Value;
4 
 
5 
use Sabberworm\CSS\OutputFormat;
6 
use Sabberworm\CSS\Parsing\ParserState;
7 
use Sabberworm\CSS\Parsing\SourceException;
8 
use Sabberworm\CSS\Parsing\UnexpectedEOFException;
9 
use Sabberworm\CSS\Parsing\UnexpectedTokenException;
10 
 
11 
/**
12 
 * This class represents URLs in CSS. `URL`s always output in `URL("")` notation.
13 
 */
14 
class URL extends PrimitiveValue
15 
{
16 
    /**
17 
     * @var CSSString
18 
     */
19 
    private $oURL;
20 
 
21 
    /**
22 
     * @param int $iLineNo
23 
     */
24 
    public function __construct(CSSString $oURL, $iLineNo = 0)
25 
    {
26 
        parent::__construct($iLineNo);
27 
        $this->oURL = $oURL;
28 
    }
29 
 
30 
    /**
31 
     * @return URL
32 
     *
33 
     * @throws SourceException
34 
     * @throws UnexpectedEOFException
35 
     * @throws UnexpectedTokenException
36 
     */
37 
    public static function parse(ParserState $oParserState)
38 
    {
39 
        $oAnchor = $oParserState->anchor();
40 
        $sIdentifier = '';
41 
        for ($i = 0; $i < 3; $i++) {
42 
            $sChar = $oParserState->parseCharacter(true);
43 
            if ($sChar === null) {
44 
                break;
45 
            }
46 
            $sIdentifier .= $sChar;
47 
        }
48 
        $bUseUrl = $oParserState->streql($sIdentifier, 'url');
49 
        if ($bUseUrl) {
50 
            $oParserState->consumeWhiteSpace();
51 
            $oParserState->consume('(');
52 
        } else {
53 
            $oAnchor->backtrack();
54 
        }
55 
        $oParserState->consumeWhiteSpace();
56 
        $oResult = new URL(CSSString::parse($oParserState), $oParserState->currentLine());
57 
        if ($bUseUrl) {
58 
            $oParserState->consumeWhiteSpace();
59 
            $oParserState->consume(')');
60 
        }
61 
        return $oResult;
62 
    }
63 
 
64 
    /**
65 
     * @return void
66 
     */
67 
    public function setURL(CSSString $oURL)
68 
    {
69 
        $this->oURL = $oURL;
70 
    }
71 
 
72 
    /**
73 
     * @return CSSString
74 
     */
75 
    public function getURL()
76 
    {
77 
        return $this->oURL;
78 
    }
79 
 
80 
    /**
81 
     * @return string
82 
     */
83 
    public function __toString()
84 
    {
85 
        return $this->render(new OutputFormat());
86 
    }
87 
 
88 
    /**
89 
     * @param OutputFormat|null $oOutputFormat
90 
     *
91 
     * @return string
92 
     */
93 
    public function render($oOutputFormat)
94 
    {
95 
        return "url({$this->oURL->render($oOutputFormat)})";
96 
    }
97 
}