<?php
function check_plain($text) {
static $php525;
if (!isset($php525)) {
$php525 = version_compare(PHP_VERSION, '5.2.5', '>=');
}
// We duplicate the preg_match() to validate strings as UTF-8 from
// drupal_validate_utf8() here. This avoids the overhead of an additional
// function call, since check_plain() may be called hundreds of times during
// a request. For PHP 5.2.5+, this check for valid UTF-8 should be handled
// internally by PHP in htmlspecialchars().
// @see http://www.php.net/releases/5_2_5.php
// @todo remove this when support for either IE6 or PHP < 5.2.5 is dropped.
if ($php525) {
return htmlspecialchars($text, ENT_QUOTES, 'UTF-8');
}
return (preg_match('/^./us', $text) == 1) ? htmlspecialchars($text, ENT_QUOTES, 'UTF-8') : '';
}
function t($string, $args = array(), $langcode = NULL) {
global $language;
static $custom_strings;
$langcode = isset($langcode) ? $langcode : $language->language;
// First, check for an array of customized strings. If present, use the array
// *instead of* database lookups. This is a high performance way to provide a
// handful of string replacements. See settings.php for examples.
// Cache the $custom_strings variable to improve performance.
if (!isset($custom_strings[$langcode])) {
$custom_strings[$langcode] = variable_get('locale_custom_strings_'. $langcode, array());
}
// Custom strings work for English too, even if locale module is disabled.
if (isset($custom_strings[$langcode][$string])) {
$string = $custom_strings[$langcode][$string];
}
// Translate with locale module if enabled.
elseif (function_exists('locale') && $langcode != 'en') {
$string = locale($string, $langcode);
}
if (empty($args)) {
return $string;
}
else {
// Transform arguments before inserting them.
foreach ($args as $key => $value) {
switch ($key[0]) {
case '@':
// Escaped only.
$args[$key] = check_plain($value);
break;
case '%':
default:
// Escaped and placeholder.
$args[$key] = theme('placeholder', $value);
break;
case '!':
// Pass-through.
}
}
return strtr($string, $args);
}
}
function format_plural($count, $singular, $plural, $args = array(), $langcode = NULL) {
$args['@count'] = $count;
if ($count == 1) {
return t($singular, $args, $langcode);
}
// Get the plural index through the gettext formula.
$index = (function_exists('locale_get_plural')) ? locale_get_plural($count, $langcode) : -1;
// Backwards compatibility.
if ($index < 0) {
return t($plural, $args, $langcode);
}
else {
switch ($index) {
case "0":
return t($singular, $args, $langcode);
case "1":
return t($plural, $args, $langcode);
default:
unset($args['@count']);
$args['@count['. $index .']'] = $count;
return t(strtr($plural, array('@count' => '@count['. $index .']')), $args, $langcode);
}
}
}
function drupal_add_css($path = NULL, $type = 'module', $media = 'all', $preprocess = TRUE) {
static $css = array();
global $language;
// Create an array of CSS files for each media type first, since each type needs to be served
// to the browser differently.
if (isset($path)) {
// This check is necessary to ensure proper cascading of styles and is faster than an asort().
if (!isset($css[$media])) {
$css[$media] = array('module' => array(), 'theme' => array());
}
$css[$media][$type][$path] = $preprocess;
// If the current language is RTL, add the CSS file with RTL overrides.
if ($language->direction == LANGUAGE_RTL) {
$rtl_path = str_replace('.css', '-rtl.css', $path);
if (file_exists($rtl_path)) {
$css[$media][$type][$rtl_path] = $preprocess;
}
}
}
return $css;
}
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