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public/vendor/sabberworm/php-css-parser/src/Value/CSSString.php 2.8 KB
86143e36f   Андрей Ларионов   Коммит вторник
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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
       */
      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
       */
      public function __toString()
      {
          return $this->render(new OutputFormat());
      }
  
      /**
       * @return string
       */
      public function render(OutputFormat $oOutputFormat)
      {
          $sString = addslashes($this->sString);
          $sString = str_replace("
  ", '\A', $sString);
          return $oOutputFormat->getStringQuotingType() . $sString . $oOutputFormat->getStringQuotingType();
      }
  }