<?php

/**

 * Smarty Internal Plugin Compile Insert

 * Compiles the {insert} tag

 *

 * @package    Smarty

 * @subpackage Compiler

 * @author     Uwe Tews

 */

/**

 * Smarty Internal Plugin Compile Insert Class

 *

 * @package    Smarty

 * @subpackage Compiler

 */

class Smarty_Internal_Compile_Insert extends Smarty_Internal_CompileBase {

    /**

     * Attribute definition: Overwrites base class.

     *

     * @var array

     * @see Smarty_Internal_CompileBase

     */

    public $required_attributes = array('name');

    /**

     * Attribute definition: Overwrites base class.

     *

     * @var array

     * @see Smarty_Internal_CompileBase

     */

    public $shorttag_order = array('name');

    /**

     * Attribute definition: Overwrites base class.

     *

     * @var array

     * @see Smarty_Internal_CompileBase

     */

    public $optional_attributes = array('_any');

    /**

     * Compiles code for the {insert} tag

     *

     * @param  array $args array with attributes from parser

     * @param  object $compiler compiler object

     *

     * @return string compiled code

     */

    public function compile($args, $compiler) {

        // check and get attributes

        $_attr = $this->getAttributes($compiler, $args);

        $nocacheParam = $compiler->template->caching && ($compiler->tag_nocache || $compiler->nocache);

        if (!$nocacheParam) {

            // do not compile as nocache code

            $compiler->suppressNocacheProcessing = true;

        }

        $compiler->tag_nocache = true;

        $_smarty_tpl = $compiler->template;

        $_name = null;

        $_script = null;

        $_output = '<?php ';

        // save possible attributes

        eval('$_name = ' . $_attr['name'] . ';');

        if (isset($_attr['assign'])) {

            // output will be stored in a smarty variable instead of being displayed

            $_assign = $_attr['assign'];

            // create variable to make sure that the compiler knows about its nocache status

            $var = trim($_attr['assign'], "'");

            if (isset($compiler->template->tpl_vars[$var])) {

                $compiler->template->tpl_vars[$var]->nocache = true;

            } else {

                $compiler->template->tpl_vars[$var] = new Smarty_Variable(null, true);

            }

        }

        if (isset($_attr['script'])) {

            // script which must be included

            $_function = "smarty_insert_{$_name}";

            $_smarty_tpl = $compiler->template;

            $_filepath = false;

            eval('$_script = ' . $_attr['script'] . ';');

            if (!isset($compiler->smarty->security_policy) && file_exists($_script)) {

                $_filepath = $_script;

            } else {

                if (isset($compiler->smarty->security_policy)) {

                    $_dir = $compiler->smarty->security_policy->trusted_dir;

                } else {

                    $_dir = $compiler->smarty->trusted_dir;

                }

                if (!empty($_dir)) {

                    foreach ((array)$_dir as $_script_dir) {

                        $_script_dir = rtrim($_script_dir, '/\\') . DS;

                        if (file_exists($_script_dir . $_script)) {

                            $_filepath = $_script_dir . $_script;

                            break;

                        }

                    }

                }

            }

            if ($_filepath == false) {

                $compiler->trigger_template_error("{insert} missing script file '{$_script}'", $compiler->lex->taglineno);

            }

            // code for script file loading

            $_output .= "require_once '{$_filepath}' ;";

            require_once $_filepath;

            if (!is_callable($_function)) {

                $compiler->trigger_template_error(" {insert} function '{$_function}' is not callable in script file '{$_script}'", $compiler->lex->taglineno);

            }

        } else {

            $_filepath = 'null';

            $_function = "insert_{$_name}";

            // function in PHP script ?

            if (!is_callable($_function)) {

                // try plugin

                if (!$_function = $compiler->getPlugin($_name, 'insert')) {

                    $compiler->trigger_template_error("{insert} no function or plugin found for '{$_name}'", $compiler->lex->taglineno);

                }

            }

        }

        // delete {insert} standard attributes

        unset($_attr['name'], $_attr['assign'], $_attr['script'], $_attr['nocache']);

        // convert attributes into parameter array string

        $_paramsArray = array();

        foreach ($_attr as $_key => $_value) {

            $_paramsArray[] = "'$_key' => $_value";

        }

        $_params = 'array(' . implode(", ", $_paramsArray) . ')';

        // call insert

        if (isset($_assign)) {

            if ($_smarty_tpl->caching && !$nocacheParam) {

                $_output .= "echo Smarty_Internal_Nocache_Insert::compile ('{$_function}',{$_params}, \$_smarty_tpl, '{$_filepath}',{$_assign});?>";

            } else {

                $_output .= "\$_smarty_tpl->assign({$_assign} , {$_function} ({$_params},\$_smarty_tpl), true);?>";

            }

        } else {

            $compiler->has_output = true;

            if ($_smarty_tpl->caching && !$nocacheParam) {

                $_output .= "echo Smarty_Internal_Nocache_Insert::compile ('{$_function}',{$_params}, \$_smarty_tpl, '{$_filepath}');?>";

            } else {

                $_output .= "echo {$_function}({$_params},\$_smarty_tpl);?>";

            }

        }

        return $_output;

    }

}