function codefilter_process_code in Code Filter 7

Same name and namespace in other branches

1. 5 codefilter.module \codefilter_process_code()
2. 6 codefilter.module \codefilter_process_code()

Processes chunks of escaped code into HTML.

1 call to codefilter_process_code()

_codefilter_process_code_callback in ./codefilter.module

Callback to replace content of the <code> elements.

File

./codefilter.module, line 48

Text filter for highlighting PHP source code.

Code

function codefilter_process_code($text, $attributes = NULL) {

  // Undo linebreak escaping.
  $text = str_replace('
', "\n", $text);

  // Inline or block level piece?
  $multiline = strpos($text, "\n") !== FALSE;

  // Note, pay attention to odd preg_replace-with-/e behaviour on slashes.
  $text = preg_replace("/^\n/", '', preg_replace('@</?(br|p)\\s*/?>@', '', str_replace('\\"', '"', $text)));

  // Trim leading and trailing linebreaks.
  $text = trim($text, "\n");

  // Escape newlines.
  $text = nl2br($text);

  // PHP code in regular code.
  $text = preg_replace_callback('/&lt;\\?php.+?\\?&gt;/s', 'codefilter_process_php_inline', $text);
  $text = '<code' . $attributes . '>' . codefilter_fix_spaces(str_replace(' ', '&nbsp;', $text)) . '</code>';
  $text = $multiline ? '<div class="codeblock">' . $text . '</div>' : $text;

  // Remove newlines to avoid clashing with the linebreak filter.
  return str_replace("\n", '', $text);
}