<?php

App::import('Lib', 'AssetCompress.AssetFilterInterface');

class Jst extends AssetFilter {

	/**
	 * To use Handlebars.js instead of Underscore.js templates,
	 * override the template_func settings in the INI file like so:
	 *
	 * [filter_Jst]
	 * template_func = Handlebars.template
	 *
	 * The templates will be stored inside a global object called 'JST'
	 * and keyed by file path, with the extension and base bath stripped.
	 *
	 * options:
	 *
	 * - ext           : extension to strip from path when naming
	 *
	 * - base_dir_name : everything up to and including this directory
	 *                   name will be stripped when naming
	 */

	protected $_settings = array(
		'ext' => '.jst',
		'base_dir_name' => 'views',
		'template_func' => '_.template'
	);

	public function input($file, $contents) {
		extract($this->_settings);

		$name = $file;
		$name = preg_replace('/'.$ext.'$/','',$name);
		$name = preg_replace('#.*/'.$base_dir_name.'/#','',$name);

		$contents = str_replace(array("\n","'"), array('\n',"\'"), $contents);

		$out = '';
		$out .= "var JST = JST || {};\n";
		$out .= "JST['$name'] = " . $template_func . "('" . $contents . "');\n";

		return $out;
	}

}


?>