protected function Minifier::processMultiLineComments in Advanced CSS/JS Aggregation 8.4

Same name and namespace in other branches

1. 8.2 advagg_js_minify/jshrink.inc \JShrink\Minifier::processMultiLineComments()
2. 8.3 advagg_js_minify/jshrink.inc \JShrink\Minifier::processMultiLineComments()
3. 7.2 advagg_js_compress/jshrink.inc \JShrink\Minifier::processMultiLineComments()

Skips multiline comments where appropriate, and includes them where needed. Conditional comments and "license" style blocks are preserved.

Parameters

int $startIndex The index point where "getReal" function started:

Return value

bool|string False if there's no character

Throws

\RuntimeException Unclosed comments will throw an error

1 call to Minifier::processMultiLineComments()

Minifier::getReal in advagg_js_minify/jshrink.inc

This function gets the next "real" character. It is essentially a wrapper around the getChar function that skips comments. This has significant performance benefits as the skipping is done using native functions (ie, c code) rather than in…

File

advagg_js_minify/jshrink.inc, line 401

Class

Minifier

Minifier

Namespace

JShrink

Code

protected function processMultiLineComments($startIndex) {
  $this
    ->getChar();

  // current C
  $thirdCommentString = $this
    ->getChar();

  // kill everything up to the next */ if it's there
  if ($this
    ->getNext('*/')) {
    $this
      ->getChar();

    // get *
    $this
      ->getChar();

    // get /
    $char = $this
      ->getChar();

    // get next real character
    // Now we reinsert conditional comments and YUI-style licensing comments
    if ($this->options['flaggedComments'] && $thirdCommentString === '!' || $thirdCommentString === '@') {

      // If conditional comments or flagged comments are not the first thing in the script
      // we need to echo a and fill it with a space before moving on.
      if ($startIndex > 0) {
        echo $this->a;
        $this->a = " ";

        // If the comment started on a new line we let it stay on the new line
        if ($this->input[$startIndex - 1] === "\n") {
          echo "\n";
        }
      }
      $endPoint = $this->index - 1 - $startIndex;
      echo substr($this->input, $startIndex, $endPoint);
      return $char;
    }
  }
  else {
    $char = false;
  }
  if ($char === false) {
    throw new \RuntimeException('Unclosed multiline comment at position: ' . ($this->index - 2));
  }

  // if we're here c is part of the comment and therefore tossed
  if (isset($this->c)) {
    unset($this->c);
  }
  return $char;
}