function Tokenizer::processingInstruction

Handle a processing instruction.

XML processing instructions are supposed to be ignored in HTML5, treated as "bogus comments". However, since we're not a user agent, we allow them. We consume until ?> and then issue a EventListener::processingInstruction() event.

Return value

bool

1 call to Tokenizer::processingInstruction()

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

Consume a character and make a move. HTML5 8.2.4.1.

File

vendor/masterminds/html5/src/HTML5/Parser/Tokenizer.php, line 940

Class

Tokenizer

The HTML5 tokenizer.

Namespace

Masterminds\HTML5\Parser

Code

protected function processingInstruction() {
    if ('?' != $this->scanner
        ->current()) {
        return false;
    }
    $tok = $this->scanner
        ->next();
    $procName = $this->scanner
        ->getAsciiAlpha();
    $white = $this->scanner
        ->whitespace();
    // If not a PI, send to bogusComment.
    if (0 == strlen($procName) || 0 == $white || false == $this->scanner
        ->current()) {
        $this->parseError("Expected processing instruction name, got {$tok}");
        $this->bogusComment('<?' . $tok . $procName);
        return true;
    }
    $data = '';
    // As long as it's not the case that the next two chars are ? and >.
    while (!('?' == $this->scanner
        ->current() && '>' == $this->scanner
        ->peek())) {
        $data .= $this->scanner
            ->current();
        $tok = $this->scanner
            ->next();
        if (false === $tok) {
            $this->parseError('Unexpected EOF in processing instruction.');
            $this->events
                ->processingInstruction($procName, $data);
            return true;
        }
    }
    $this->scanner
        ->consume(2);
    // Consume the closing tag
    $this->events
        ->processingInstruction($procName, $data);
    return true;
}