<?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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