<?php
/**
 * Smarty Internal Plugin Compile Object Block Function
 * Compiles code for registered objects as block function
 *
 * @package    Smarty
 * @subpackage Compiler
 * @author     Uwe Tews
 */

/**
 * Smarty Internal Plugin Compile Object Block Function Class
 *
 * @package    Smarty
 * @subpackage Compiler
 */
class Smarty_Internal_Compile_Private_Object_Block_Function extends Smarty_Internal_CompileBase {
	/**
	 * Attribute definition: Overwrites base class.
	 *
	 * @var array
	 * @see Smarty_Internal_CompileBase
	 */
	public $optional_attributes = [ '_any' ];
	
	/**
	 * Compiles code for the execution of block plugin
	 *
	 * @param  array $args array with attributes from parser
	 * @param  object $compiler compiler object
	 * @param  array $parameter array with compilation parameter
	 * @param  string $tag name of block object
	 * @param  string $method name of method to call
	 *
	 * @return string compiled code
	 */
	public function compile( $args, $compiler, $parameter, $tag, $method ) {
		if ( ! isset( $tag[5] ) || substr( $tag, - 5 ) != 'close' ) {
			// opening tag of block plugin
			// check and get attributes
			$_attr = $this->getAttributes( $compiler, $args );
			if ( $_attr['nocache'] === true ) {
				$compiler->tag_nocache = true;
			}
			unset( $_attr['nocache'] );
			// convert attributes into parameter array string
			$_paramsArray = [];
			foreach ( $_attr as $_key => $_value ) {
				if ( is_int( $_key ) ) {
					$_paramsArray[] = "$_key=>$_value";
				} else {
					$_paramsArray[] = "'$_key'=>$_value";
				}
			}
			$_params = 'array(' . implode( ",", $_paramsArray ) . ')';
			
			$this->openTag( $compiler, $tag . '->' . $method, [ $_params, $compiler->nocache ] );
			// maybe nocache because of nocache variables or nocache plugin
			$compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
			// compile code
			$output = "<?php \$_smarty_tpl->smarty->_tag_stack[] = array('{$tag}->{$method}', {$_params}); \$_block_repeat=true; echo \$_smarty_tpl->smarty->registered_objects['{$tag}'][0]->{$method}({$_params}, null, \$_smarty_tpl, \$_block_repeat);while (\$_block_repeat) { ob_start();?>";
		} else {
			$base_tag = substr( $tag, 0, - 5 );
			// must endblock be nocache?
			if ( $compiler->nocache ) {
				$compiler->tag_nocache = true;
			}
			// closing tag of block plugin, restore nocache
			list( $_params, $compiler->nocache ) = $this->closeTag( $compiler, $base_tag . '->' . $method );
			// This tag does create output
			$compiler->has_output = true;
			// compile code
			if ( ! isset( $parameter['modifier_list'] ) ) {
				$mod_pre = $mod_post = '';
			} else {
				$mod_pre = ' ob_start(); ';
				$mod_post = 'echo ' . $compiler->compileTag( 'private_modifier', [], [
						'modifierlist' => $parameter['modifier_list'],
						'value'        => 'ob_get_clean()'
					] ) . ';';
			}
			$output = "<?php \$_block_content = ob_get_contents(); ob_end_clean(); \$_block_repeat=false;" . $mod_pre . " echo \$_smarty_tpl->smarty->registered_objects['{$base_tag}'][0]->{$method}({$_params}, \$_block_content, \$_smarty_tpl, \$_block_repeat); " . $mod_post . "  } array_pop(\$_smarty_tpl->smarty->_tag_stack);?>";
		}
		
		return $output . "\n";
	}
}
