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Edit File: smarty_internal_compile_section.php

<?php
/**
 * Smarty Internal Plugin Compile Section
 *
 * Compiles the {section} {sectionelse} {/section} tags
 *
 * @package Smarty
 * @subpackage Compiler
 * @author Uwe Tews
 */

/**
 * Smarty Internal Plugin Compile Section Class
 *
 * @package Smarty
 * @subpackage Compiler
 */
class Smarty_Internal_Compile_Section extends Smarty_Internal_CompileBase
{
    /**
     * Attribute definition: Overwrites base class.
     *
     * @var array
     * @see Smarty_Internal_CompileBase
     */
    public $required_attributes = array('name', 'loop');
    /**
     * Attribute definition: Overwrites base class.
     *
     * @var array
     * @see Smarty_Internal_CompileBase
     */
    public $shorttag_order = array('name', 'loop');
    /**
     * Attribute definition: Overwrites base class.
     *
     * @var array
     * @see Smarty_Internal_CompileBase
     */
    public $optional_attributes = array('start', 'step', 'max', 'show');

/**
     * Compiles code for the {section} 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);

$this->openTag($compiler, 'section', array('section', $compiler->nocache));
        // maybe nocache because of nocache variables
        $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;

$output = "<?php ";

$section_name = $_attr['name'];

$output .= "if (isset(\$_smarty_tpl->tpl_vars['smarty']->value['section'][$section_name])) unset(\$_smarty_tpl->tpl_vars['smarty']->value['section'][$section_name]);\n";
        $section_props = "\$_smarty_tpl->tpl_vars['smarty']->value['section'][$section_name]";

foreach ($_attr as $attr_name => $attr_value) {
            switch ($attr_name) {
                case 'loop':
                    $output .= "{$section_props}['loop'] = is_array(\$_loop=$attr_value) ? count(\$_loop) : max(0, (int) \$_loop); unset(\$_loop);\n";
                    break;

case 'show':
                    if (is_bool($attr_value))
                        $show_attr_value = $attr_value ? 'true' : 'false';
                    else
                        $show_attr_value = "(bool) $attr_value";
                    $output .= "{$section_props}['show'] = $show_attr_value;\n";
                    break;

case 'name':
                    $output .= "{$section_props}['$attr_name'] = $attr_value;\n";
                    break;

case 'max':
                case 'start':
                    $output .= "{$section_props}['$attr_name'] = (int) $attr_value;\n";
                    break;

case 'step':
                    $output .= "{$section_props}['$attr_name'] = ((int) $attr_value) == 0 ? 1 : (int) $attr_value;\n";
                    break;
            }
        }

if (!isset($_attr['show']))
            $output .= "{$section_props}['show'] = true;\n";

if (!isset($_attr['loop']))
            $output .= "{$section_props}['loop'] = 1;\n";

if (!isset($_attr['max']))
            $output .= "{$section_props}['max'] = {$section_props}['loop'];\n";
        else
            $output .= "if ({$section_props}['max'] < 0)\n" . "    {$section_props}['max'] = {$section_props}['loop'];\n";

if (!isset($_attr['step']))
            $output .= "{$section_props}['step'] = 1;\n";

if (!isset($_attr['start']))
            $output .= "{$section_props}['start'] = {$section_props}['step'] > 0 ? 0 : {$section_props}['loop']-1;\n";
        else {
            $output .= "if ({$section_props}['start'] < 0)\n" . "    {$section_props}['start'] = max({$section_props}['step'] > 0 ? 0 : -1, {$section_props}['loop'] + {$section_props}['start']);\n" . "else\n" . "    {$section_props}['start'] = min({$section_props}['start'], {$section_props}['step'] > 0 ? {$section_props}['loop'] : {$section_props}['loop']-1);\n";
        }

$output .= "if ({$section_props}['show']) {\n";
        if (!isset($_attr['start']) && !isset($_attr['step']) && !isset($_attr['max'])) {
            $output .= "    {$section_props}['total'] = {$section_props}['loop'];\n";
        } else {
            $output .= "    {$section_props}['total'] = min(ceil(({$section_props}['step'] > 0 ? {$section_props}['loop'] - {$section_props}['start'] : {$section_props}['start']+1)/abs({$section_props}['step'])), {$section_props}['max']);\n";
        }
        $output .= "    if ({$section_props}['total'] == 0)\n" . "        {$section_props}['show'] = false;\n" . "} else\n" . "    {$section_props}['total'] = 0;\n";

$output .= "if ({$section_props}['show']):\n";
        $output .= "
            for ({$section_props}['index'] = {$section_props}['start'], {$section_props}['iteration'] = 1;
                 {$section_props}['iteration'] <= {$section_props}['total'];
                 {$section_props}['index'] += {$section_props}['step'], {$section_props}['iteration']++):\n";
        $output .= "{$section_props}['rownum'] = {$section_props}['iteration'];\n";
        $output .= "{$section_props}['index_prev'] = {$section_props}['index'] - {$section_props}['step'];\n";
        $output .= "{$section_props}['index_next'] = {$section_props}['index'] + {$section_props}['step'];\n";
        $output .= "{$section_props}['first']      = ({$section_props}['iteration'] == 1);\n";
        $output .= "{$section_props}['last']       = ({$section_props}['iteration'] == {$section_props}['total']);\n";

$output .= "?>";

return $output;
    }

}

/**
 * Smarty Internal Plugin Compile Sectionelse Class
 *
 * @package Smarty
 * @subpackage Compiler
 */
class Smarty_Internal_Compile_Sectionelse extends Smarty_Internal_CompileBase
{
    /**
     * Compiles code for the {sectionelse} 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);

list($openTag, $nocache) = $this->closeTag($compiler, array('section'));
        $this->openTag($compiler, 'sectionelse', array('sectionelse', $nocache));

return "<?php endfor; else: ?>";
    }

}

/**
 * Smarty Internal Plugin Compile Sectionclose Class
 *
 * @package Smarty
 * @subpackage Compiler
 */
class Smarty_Internal_Compile_Sectionclose extends Smarty_Internal_CompileBase
{
    /**
     * Compiles code for the {/section} 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);

// must endblock be nocache?
        if ($compiler->nocache) {
            $compiler->tag_nocache = true;
        }

list($openTag, $compiler->nocache) = $this->closeTag($compiler, array('section', 'sectionelse'));

if ($openTag == 'sectionelse') {
            return "<?php endif; ?>";
        } else {
            return "<?php endfor; endif; ?>";
        }
    }

}

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