function _locale_import_parse_plural_forms in Drupal 4

Same name and namespace in other branches

1. 5 includes/locale.inc \_locale_import_parse_plural_forms()
2. 6 includes/locale.inc \_locale_import_parse_plural_forms()
3. 7 includes/locale.inc \_locale_import_parse_plural_forms()

Parses a Plural-Forms entry from a Gettext Portable Object file header

@author Jacobo Tarrio

Parameters

$pluralforms A string containing the Plural-Forms entry:

$filename A string containing the filename:

Return value

An array containing the number of plurals and a formula in PHP for computing the plural form

1 call to _locale_import_parse_plural_forms()

_locale_import_one_string in includes/locale.inc

Imports a string into the database

File

includes/locale.inc, line 775

Admin-related functions for locale.module.

Code

function _locale_import_parse_plural_forms($pluralforms, $filename) {

  // First, delete all whitespace
  $pluralforms = strtr($pluralforms, array(
    " " => "",
    "\t" => "",
  ));

  // Select the parts that define nplurals and plural
  $nplurals = strstr($pluralforms, "nplurals=");
  if (strpos($nplurals, ";")) {
    $nplurals = substr($nplurals, 9, strpos($nplurals, ";") - 9);
  }
  else {
    return FALSE;
  }
  $plural = strstr($pluralforms, "plural=");
  if (strpos($plural, ";")) {
    $plural = substr($plural, 7, strpos($plural, ";") - 7);
  }
  else {
    return FALSE;
  }

  // Get PHP version of the plural formula
  $plural = _locale_import_parse_arithmetic($plural);
  if ($plural !== FALSE) {
    return array(
      $nplurals,
      $plural,
    );
  }
  else {
    drupal_set_message(t('The translation file %filename contains an error: the plural formula could not be parsed.', array(
      '%filename' => theme('placeholder', $filename),
    )), 'error');
    return FALSE;
  }
}