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<?php
namespace Sabberworm\CSS\Value;
use Sabberworm\CSS\Parsing\ParserState;
use Sabberworm\CSS\Parsing\SourceException;
class CSSString extends PrimitiveValue {
private $sString;
public function __construct($sString, $iLineNo = 0) {
$this->sString = $sString;
parent::__construct($iLineNo);
}
public static function parse(ParserState $oParserState) {
$sBegin = $oParserState->peek();
$sQuote = null;
if ($sBegin === "'") {
$sQuote = "'";
} else if ($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, $oParserState->currentLine());
}
public function setString($sString) {
$this->sString = $sString;
}
public function getString() {
return $this->sString;
}
public function __toString() {
return $this->render(new \Sabberworm\CSS\OutputFormat());
}
public function render(\Sabberworm\CSS\OutputFormat $oOutputFormat) {
$sString = addslashes($this->sString);
$sString = str_replace("\n", '\A', $sString);
return $oOutputFormat->getStringQuotingType() . $sString . $oOutputFormat->getStringQuotingType();
}
}