class YamlFormTidy in YAML Form 8

Provides YAML tidy function.

Hierarchy

• class \Drupal\yamlform\Utility\YamlFormTidy

11 files declare their use of YamlFormTidy

DebugYamlFormHandler.php in tests/modules/yamlform_test/src/Plugin/YamlFormHandler/DebugYamlFormHandler.php

yamlform.drush.inc in drush/yamlform.drush.inc

YAML Form module drush commands.

yamlform.theme.inc in includes/yamlform.theme.inc

Preprocessors and helper functions to make theming easier.

yamlform.translation.inc in includes/yamlform.translation.inc

YAML Form module translation hooks.

YamlFormAdminSettingsTest.php in src/Tests/YamlFormAdminSettingsTest.php

... See full list

File

src/Utility/YamlFormTidy.php, line 10

Namespace

Drupal\yamlform\Utility

class YamlFormTidy {

  /**
   * Tidy export YAML includes tweaking array layout and multiline strings.
   *
   * @param string $yaml
   *   The output generated from \Drupal\Core\Serialization\Yaml::encode.
   *
   * @return string
   *   The encoded data.
   */
  public static function tidy($yaml) {
    static $unescaper;
    if (!isset($unescaper)) {
      $unescaper = new Unescaper();
    }

    // Remove return after array delimiter.
    $yaml = preg_replace('#(\\n[ ]+-)\\n[ ]+#', '\\1 ', $yaml);

    // Support YAML newlines preserved syntax via pipe (|).
    $lines = explode("\n", $yaml);
    foreach ($lines as $index => $line) {
      if (empty($line) || strpos($line, '\\n') === FALSE) {
        continue;
      }
      if (preg_match('/^([ ]*(?:- )?)([a-z_]+|\'[^\']+\'|"[^"]+"): (\'|")(.+)\\3$/', $line, $match)) {
        $prefix = $match[1];
        $indent = str_repeat(' ', strlen($prefix));
        $name = $match[2];
        $quote = $match[3];
        $value = $match[4];
        if ($quote == "'") {
          $value = rtrim($unescaper
            ->unescapeSingleQuotedString($value));
        }
        else {
          $value = rtrim($unescaper
            ->unescapeDoubleQuotedString($value));
        }
        if (strpos($value, '<') === FALSE) {
          $lines[$index] = $prefix . $name . ": |\n{$prefix}  " . str_replace("\n", "\n{$prefix}  ", $value);
        }
        else {
          $value = preg_replace('~\\R~u', "\n", $value);
          $value = preg_replace('#\\s*</p>#', '</p>', $value);
          $value = str_replace("\n", "\n{$indent}  ", $value);
          $lines[$index] = $prefix . $name . ": |\n{$indent}  " . $value;
        }
      }
    }
    $yaml = implode("\n", $lines);
    return trim($yaml);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
YamlFormTidy::tidy	public static	function	Tidy export YAML includes tweaking array layout and multiline strings.