/**
* Load and return some specific config or it's part
*
* @param string $path <config_name>[.<name1>[.<name2>[...]]]
* @oaram mixed $default Value to return if no data is found
*
* @return mixed
*/
function us_config($path, $default = NULL)
{
global $us_template_directory;
// Caching configuration values in a inner static value within the same request
static $configs = array();
// Defined paths to configuration files
$configs_paths = apply_filters('us_configs_paths', array());
$path = explode('.', $path);
$config_name = $path[0];
if (!isset($configs[$config_name])) {
if (!isset($configs_paths[$config_name])) {
$configs_paths[$config_name] = $us_template_directory . '/framework/config/' . $config_name . '.php';
}
us_maybe_load_theme_textdomain();
$configs[$config_name] = (require $configs_paths[$config_name]);
$configs[$config_name] = apply_filters('us_config_' . $config_name, $configs[$config_name]);
}
$value = $configs[$config_name];
for ($i = 1; $i < count($path); $i++) {
if (is_array($value) and isset($value[$path[$i]])) {
$value = $value[$path[$i]];
} else {
$value = $default;
break;
}
}
return $value;
}
function us_theme_setup()
{
global $content_width;
if (!isset($content_width)) {
$content_width = 1500;
}
add_theme_support('automatic-feed-links');
add_theme_support('post-formats', array('quote', 'image', 'gallery', 'video'));
// Add post thumbnail functionality
add_theme_support('post-thumbnails');
/**
* Dev note: you can overload theme's image sizes config using filter 'us_config_image-sizes'
*/
$tnail_sizes = us_config('image-sizes');
foreach ($tnail_sizes as $size_name => $size) {
add_image_size($size_name, $size['width'], $size['height'], $size['crop']);
}
// Excerpt length
add_filter('excerpt_length', 'us_excerpt_length', 100);
function us_excerpt_length($length)
{
$excerpt_length = us_get_option('excerpt_length');
if ($excerpt_length === NULL) {
return $length;
} elseif ($excerpt_length === '') {
// If not set, showing the full excerpt
return 9999;
} else {
return intval($excerpt_length);
}
}
// Remove [...] from excerpt
add_filter('excerpt_more', 'us_excerpt_more');
function us_excerpt_more($more)
{
return '...';
}
// Theme localization
us_maybe_load_theme_textdomain();
}
