<?php

/**

 * Smarty Internal Plugin Compile While

 * Compiles the {while} tag

 *

 * @package    Smarty

 * @subpackage Compiler

 * @author     Uwe Tews

 */

/**

 * Smarty Internal Plugin Compile While Class

 *

 * @package    Smarty

 * @subpackage Compiler

 */

class Smarty_Internal_Compile_While extends Smarty_Internal_CompileBase {

    /**

     * Compiles code for the {while} 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) {

        // check and get attributes

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

        $this->openTag($compiler, 'while', $compiler->nocache);

        if (!array_key_exists("if condition", $parameter)) {

            $compiler->trigger_template_error("missing while condition", $compiler->lex->taglineno);

        }

        // maybe nocache because of nocache variables

        $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;

        if (is_array($parameter['if condition'])) {

            if ($compiler->nocache) {

                $_nocache = ',true';

                // create nocache var to make it know for further compiling

                if (is_array($parameter['if condition']['var'])) {

                    $var = trim($parameter['if condition']['var']['var'], "'");

                } else {

                    $var = trim($parameter['if condition']['var'], "'");

                }

                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);

                }

            } else {

                $_nocache = '';

            }

            if (is_array($parameter['if condition']['var'])) {

                $_output = "<?php if (!isset(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]) || !is_array(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]->value)) \$_smarty_tpl->createLocalArrayVariable(" . $parameter['if condition']['var']['var'] . "$_nocache);\n";

                $_output .= "while (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]->value" . $parameter['if condition']['var']['smarty_internal_index'] . " = " . $parameter['if condition']['value'] . ") {?>";

            } else {

                $_output = "<?php if (!isset(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "])) \$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "] = new Smarty_Variable(null{$_nocache});";

                $_output .= "while (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "]->value = " . $parameter['if condition']['value'] . ") {?>";

            }

            return $_output;

        } else {

            return "<?php while ({$parameter['if condition']}) {?>";

        }

    }

}

/**

 * Smarty Internal Plugin Compile Whileclose Class

 *

 * @package    Smarty

 * @subpackage Compiler

 */

class Smarty_Internal_Compile_Whileclose extends Smarty_Internal_CompileBase {

    /**

     * Compiles code for the {/while} tag

     *

     * @param  array $args array with attributes from parser

     * @param  object $compiler compiler object

     *

     * @return string compiled code

     */

    public function compile($args, $compiler) {

        // must endblock be nocache?

        if ($compiler->nocache) {

            $compiler->tag_nocache = true;

        }

        $compiler->nocache = $this->closeTag($compiler, array('while'));

        return "<?php }?>";

    }

}