protected function Tokenizer::attributeValue in Zircon Profile 8.0

Same name and namespace in other branches

1. 8 vendor/masterminds/html5/src/HTML5/Parser/Tokenizer.php \Masterminds\HTML5\Parser\Tokenizer::attributeValue()

Consume an attribute value. 8.2.4.37 and after.

1 call to Tokenizer::attributeValue()

Tokenizer::attribute in vendor/masterminds/html5/src/HTML5/Parser/Tokenizer.php

Parse attributes from inside of a tag.

File

vendor/masterminds/html5/src/HTML5/Parser/Tokenizer.php, line 489

Class

Tokenizer

The HTML5 tokenizer.

Namespace

Masterminds\HTML5\Parser

Code

protected function attributeValue() {
  if ($this->scanner
    ->current() != '=') {
    return null;
  }
  $this->scanner
    ->next();

  // 8.1.2.3
  $this->scanner
    ->whitespace();
  $tok = $this->scanner
    ->current();
  switch ($tok) {
    case "\n":
    case "\f":
    case " ":
    case "\t":

      // Whitespace here indicates an empty value.
      return null;
    case '"':
    case "'":
      $this->scanner
        ->next();
      return $this
        ->quotedAttributeValue($tok);
    case '>':

      // case '/': // 8.2.4.37 seems to allow foo=/ as a valid attr.
      $this
        ->parseError("Expected attribute value, got tag end.");
      return null;
    case '=':
    case '`':
      $this
        ->parseError("Expecting quotes, got %s.", $tok);
      return $this
        ->unquotedAttributeValue();
    default:
      return $this
        ->unquotedAttributeValue();
  }
}