<?php
/**
 * Smarty Internal Plugin Compile Registered Block
 * Compiles code for the execution of a registered block function
 *
 * @package    Smarty
 * @subpackage Compiler
 * @author     Uwe Tews
 */

/**
 * Smarty Internal Plugin Compile Registered Block Class
 *
 * @package    Smarty
 * @subpackage Compiler
 */
class Smarty_Internal_Compile_Private_Registered_Block extends Smarty_Internal_CompileBase
{
    /**
     * Attribute definition: Overwrites base class.
     *
     * @var array
     * @see Smarty_Internal_CompileBase
     */
    public $optional_attributes = array('_any');

    /**
     * Compiles code for the execution of a block function
     *
     * @param  array                                       $args      array with attributes from parser
     * @param \Smarty_Internal_TemplateCompilerBase $compiler  compiler object
     * @param  array                                       $parameter array with compilation parameter
     * @param  string                                      $tag       name of block function
     *
     * @return string compiled code
     */
    public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter, $tag)
    {
        if (!isset($tag[5]) || substr($tag, - 5) != 'close') {
            // opening tag of block plugin
            // check and get attributes
            $_attr = $this->getAttributes($compiler, $args);
            if ($_attr['nocache']) {
                $compiler->tag_nocache = true;
            }
            unset($_attr['nocache']);
            if (isset($compiler->smarty->registered_plugins[Smarty::PLUGIN_BLOCK][$tag])) {
                $tag_info = $compiler->smarty->registered_plugins[Smarty::PLUGIN_BLOCK][$tag];
            } else {
                $tag_info = $compiler->default_handler_plugins[Smarty::PLUGIN_BLOCK][$tag];
            }
            // convert attributes into parameter array string
            $_paramsArray = array();
            foreach ($_attr as $_key => $_value) {
                if (is_int($_key)) {
                    $_paramsArray[] = "$_key=>$_value";
                } elseif ($compiler->template->caching && in_array($_key, $tag_info[2])) {
                    $_value = str_replace("'", "^#^", $_value);
                    $_paramsArray[] = "'$_key'=>^#^.var_export($_value,true).^#^";
                } else {
                    $_paramsArray[] = "'$_key'=>$_value";
                }
            }
            $_params = 'array(' . implode(",", $_paramsArray) . ')';

            $this->openTag($compiler, $tag, array($_params, $compiler->nocache));
            // maybe nocache because of nocache variables or nocache plugin
            $compiler->nocache = !$tag_info[1] | $compiler->nocache | $compiler->tag_nocache;
            $function = $tag_info[0];
            // compile code
            if (!is_array($function)) {
                $output = "<?php \$_smarty_tpl->smarty->_cache['tag_stack'][] = array('{$tag}', {$_params}); \$_block_repeat=true; echo {$function}({$_params}, null, \$_smarty_tpl, \$_block_repeat);while (\$_block_repeat) { ob_start();?>";
            } elseif (is_object($function[0])) {
                $output = "<?php \$_smarty_tpl->smarty->_cache['tag_stack'][] = array('{$tag}', {$_params}); \$_block_repeat=true; echo \$_smarty_tpl->smarty->registered_plugins['block']['{$tag}'][0][0]->{$function[1]}({$_params}, null, \$_smarty_tpl, \$_block_repeat);while (\$_block_repeat) { ob_start();?>";
            } else {
                $output = "<?php \$_smarty_tpl->smarty->_cache['tag_stack'][] = array('{$tag}', {$_params}); \$_block_repeat=true; echo {$function[0]}::{$function[1]}({$_params}, null, \$_smarty_tpl, \$_block_repeat);while (\$_block_repeat) { ob_start();?>";
            }
        } else {
            // must endblock be nocache?
            if ($compiler->nocache) {
                $compiler->tag_nocache = true;
            }
            $base_tag = substr($tag, 0, - 5);
            // closing tag of block plugin, restore nocache
            list($_params, $compiler->nocache) = $this->closeTag($compiler, $base_tag);
            // This tag does create output
            $compiler->has_output = true;
            if (isset($compiler->smarty->registered_plugins[Smarty::PLUGIN_BLOCK][$base_tag])) {
                $function = $compiler->smarty->registered_plugins[Smarty::PLUGIN_BLOCK][$base_tag][0];
            } else {
                $function = $compiler->default_handler_plugins[Smarty::PLUGIN_BLOCK][$base_tag][0];
            }
            // compile code
            if (!isset($parameter['modifier_list'])) {
                $mod_pre = $mod_post = '';
            } else {
                $mod_pre = ' ob_start(); ';
                $mod_post = 'echo ' .
                    $compiler->compileTag('private_modifier', array(), array('modifierlist' => $parameter['modifier_list'],
                                                                             'value'        => 'ob_get_clean()')) . ';';
            }
            if (!is_array($function)) {
                $output = "<?php \$_block_content = ob_get_clean(); \$_block_repeat=false;" . $mod_pre .
                    " echo {$function}({$_params}, \$_block_content, \$_smarty_tpl, \$_block_repeat);" . $mod_post .
                    " } array_pop(\$_smarty_tpl->smarty->_cache['tag_stack']);?>";
            } elseif (is_object($function[0])) {
                $output = "<?php \$_block_content = ob_get_clean(); \$_block_repeat=false;" . $mod_pre .
                    " echo \$_smarty_tpl->smarty->registered_plugins['block']['{$base_tag}'][0][0]->{$function[1]}({$_params}, \$_block_content, \$_smarty_tpl, \$_block_repeat); " .
                    $mod_post . "} array_pop(\$_smarty_tpl->smarty->_cache['tag_stack']);?>";
            } else {
                $output = "<?php \$_block_content = ob_get_clean(); \$_block_repeat=false;" . $mod_pre .
                    " echo {$function[0]}::{$function[1]}({$_params}, \$_block_content, \$_smarty_tpl, \$_block_repeat); " .
                    $mod_post . "} array_pop(\$_smarty_tpl->smarty->_cache['tag_stack']);?>";
            }
        }

        return $output . "\n";
    }
}
