Viewing file:  CSSString.php (2.96 KB) -rw-r--r--
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<?php
namespace Sabberworm\CSS\Value;
use Sabberworm\CSS\OutputFormat;
use Sabberworm\CSS\Parsing\ParserState;
use Sabberworm\CSS\Parsing\SourceException;
use Sabberworm\CSS\Parsing\UnexpectedEOFException;
use Sabberworm\CSS\Parsing\UnexpectedTokenException;
/**
* This class is a wrapper for quoted strings to distinguish them from keywords.
*
* `CSSString`s always output with double quotes.
*/
class CSSString extends PrimitiveValue
{
/**
* @var string
*/
private $sString;
/**
* @param string $sString
* @param int $iLineNo
*/
public function __construct($sString, $iLineNo = 0)
{
$this->sString = $sString;
parent::__construct($iLineNo);
}
/**
* @return CSSString
*
* @throws SourceException
* @throws UnexpectedEOFException
* @throws UnexpectedTokenException
*
* @internal since V8.8.0
*/
public static function parse(ParserState $oParserState)
{
$sBegin = $oParserState->peek();
$sQuote = null;
if ($sBegin === "'") {
$sQuote = "'";
} elseif ($sBegin === '"') {
$sQuote = '"';
}
if ($sQuote !== null) {
$oParserState->consume($sQuote);
}
$sResult = "";
$sContent = null;
if ($sQuote === null) {
// Unquoted strings end in whitespace or with braces, brackets, parentheses
while (!preg_match('/[\\s{}()<>\\[\\]]/isu', $oParserState->peek())) {
$sResult .= $oParserState->parseCharacter(false);
}
} else {
while (!$oParserState->comes($sQuote)) {
$sContent = $oParserState->parseCharacter(false);
if ($sContent === null) {
throw new SourceException(
"Non-well-formed quoted string {$oParserState->peek(3)}",
$oParserState->currentLine()
);
}
$sResult .= $sContent;
}
$oParserState->consume($sQuote);
}
return new CSSString($sResult, $oParserState->currentLine());
}
/**
* @param string $sString
*
* @return void
*/
public function setString($sString)
{
$this->sString = $sString;
}
/**
* @return string
*/
public function getString()
{
return $this->sString;
}
/**
* @return string
*
* @deprecated in V8.8.0, will be removed in V9.0.0. Use `render` instead.
*/
public function __toString()
{
return $this->render(new OutputFormat());
}
/**
* @param OutputFormat|null $oOutputFormat
*
* @return string
*/
public function render($oOutputFormat)
{
$sString = addslashes($this->sString);
$sString = str_replace("\n", '\A', $sString);
return $oOutputFormat->getStringQuotingType() . $sString . $oOutputFormat->getStringQuotingType();
}
}
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