function recipe_unit_fuzzymatch in Recipe 6

Same name and namespace in other branches

1. 7.2 recipe.admin.inc \recipe_unit_fuzzymatch()
2. 7 recipe.module \recipe_unit_fuzzymatch()

Fetch a recipe_unit.

Parameters

$recipe_name_or_abbrev: A string representing a unit of measure abbreviation or a unit name.

Return value

A recipe_unit stdClass upon successful load or FALSE

3 calls to recipe_unit_fuzzymatch()

recipe_import_element_end in plugins/recipe_recipeML.module

Call-back function used by the XML parser.

recipe_mastercook4_import_single in plugins/recipe_mastercook4.module

recipe_plaintext_import in plugins/recipe_plaintext.module

Parsing instance for plain text recipes

File

./recipe.module, line 1593

recipe.module - share recipes

Code

function recipe_unit_fuzzymatch($recipe_name_or_abbrev, $reset = FALSE) {
  static $units;

  // Empty strings should use the default non-printing 'Unit'.
  if ($recipe_name_or_abbrev == '') {
    $recipe_name_or_abbrev = 'Unit';
  }
  if (!isset($units) || $reset) {

    // Get all units to prepare for fuzzy match.
    $units = array();
    $order_by = '';

    // US measure preferred.
    if (variable_get('recipe_preferred_system_of_measure', 0) == 0) {
      $order_by = 'order by metric asc';
    }
    else {
      $order_by = 'order by metric desc';
    }
    $result = db_query("SELECT id, name, abbreviation, aliases FROM {recipe_unit} {$order_by}");
    while ($row = db_fetch_object($result)) {
      $units[] = $row;
    }
  }

  // First pass unit case must match exactly( T=Tbsp, t=tsp ).
  foreach ($units as $u) {
    $pats = array();

    // Add name pattern.
    $pats[] = '^' . $u->name . 's{0,1}$';

    // Add abbreviation pattern.
    $pats[] = '^' . $u->abbreviation . 's{0,1}\\.{0,1}$';

    // Add comma separated alias patterns.
    $aliases = explode(',', $u->aliases);
    foreach ($aliases as $alias) {
      $pats[] = '^' . trim($alias) . 's{0,1}\\.{0,1}$';
    }
    $search_pat = implode('|', $pats);
    if (preg_match("/{$search_pat}/", $recipe_name_or_abbrev)) {
      return $u;
    }
  }

  // Second pass unit case doesn't matter.
  foreach ($units as $u) {
    $pats = array();

    // Add name pattern.
    $pats[] = '^' . $u->name . 's{0,1}$';

    // Add abbreviation pattern.
    $pats[] = '^' . $u->abbreviation . 's{0,1}\\.{0,1}$';

    // Add comma separated alias patterns.
    $aliases = explode(',', $u->aliases);
    foreach ($aliases as $alias) {
      $pats[] = '^' . trim($alias) . 's{0,1}\\.{0,1}$';
    }
    $search_pat = implode('|', $pats);
    if (preg_match("/{$search_pat}/i", $recipe_name_or_abbrev)) {
      return $u;
    }
  }
  return FALSE;
}