<?php
/**
 * Smarty Internal Plugin Compile Setfilter
 * Compiles code for setfilter tag
 *
 * @package    Smarty
 * @subpackage Compiler
 * @author     Uwe Tews
 */

/**
 * Smarty Internal Plugin Compile Setfilter Class
 *
 * @package    Smarty
 * @subpackage Compiler
 */
class Smarty_Internal_Compile_Setfilter extends Smarty_Internal_CompileBase {
	/**
	 * Compiles code for setfilter tag
	 *
	 * @param  array $args array with attributes from parser
	 * @param  object $compiler compiler object
	 * @param  array $parameter array with compilation parameter
	 *
	 * @return string compiled code
	 */
	public function compile( $args, $compiler, $parameter ) {
		$compiler->variable_filter_stack[]    = $compiler->template->variable_filters;
		$compiler->template->variable_filters = $parameter['modifier_list'];
		// this tag does not return compiled code
		$compiler->has_code = false;
		
		return true;
	}
}

/**
 * Smarty Internal Plugin Compile Setfilterclose Class
 *
 * @package    Smarty
 * @subpackage Compiler
 */
class Smarty_Internal_Compile_Setfilterclose extends Smarty_Internal_CompileBase {
	/**
	 * Compiles code for the {/setfilter} tag
	 * This tag does not generate compiled output. It resets variable filter.
	 *
	 * @param  array $args array with attributes from parser
	 * @param  object $compiler compiler object
	 *
	 * @return string compiled code
	 */
	public function compile( $args, $compiler ) {
		$_attr = $this->getAttributes( $compiler, $args );
		// reset variable filter to previous state
		if ( count( $compiler->variable_filter_stack ) ) {
			$compiler->template->variable_filters = array_pop( $compiler->variable_filter_stack );
		} else {
			$compiler->template->variable_filters = [];
		}
		// this tag does not return compiled code
		$compiler->has_code = false;
		
		return true;
	}
}
