mirror of
https://github.com/smarty-php/smarty.git
synced 2025-10-31 12:21:36 +01:00
455 lines
17 KiB
PHP
455 lines
17 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin Compile Section
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* Compiles the {section} {sectionelse} {/section} tags
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*
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* @package Smarty
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* @subpackage Compiler
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* @author Uwe Tews
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*/
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/**
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* Smarty Internal Plugin Compile Section Class
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*
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* @package Smarty
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* @subpackage Compiler
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*/
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class Smarty_Internal_Compile_Section extends Smarty_Internal_Compile_Private_ForeachSection
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{
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/**
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* Attribute definition: Overwrites base class.
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*
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* @var array
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* @see Smarty_Internal_CompileBase
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*/
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public $required_attributes = array('name', 'loop');
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/**
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* Attribute definition: Overwrites base class.
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*
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* @var array
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* @see Smarty_Internal_CompileBase
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*/
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public $shorttag_order = array('name', 'loop');
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/**
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* Attribute definition: Overwrites base class.
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*
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* @var array
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* @see Smarty_Internal_CompileBase
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*/
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public $optional_attributes = array('start', 'step', 'max', 'show');
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/**
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* counter
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*
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* @var int
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*/
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public $counter = 0;
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/**
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* Name of this tag
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*
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* @var string
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*/
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public $tagName = 'section';
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/**
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* Valid properties of $smarty.section.name.xxx variable
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*
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* @var array
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*/
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public static $nameProperties = array('first', 'last', 'index', 'iteration', 'show', 'total', 'rownum',
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'index_prev', 'index_next');
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/**
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* {section} tag has no item properties
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*
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* @var array
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*/
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public $itemProperties = null;
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/**
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* {section} tag has always name attribute
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*
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* @var bool
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*/
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public $isNamed = true;
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/**
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* Compiles code for the {section} tag
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*
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* @param array $args array with attributes from parser
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* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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*
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* @return string compiled code
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* @throws \SmartyCompilerException
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*/
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public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
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{
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$compiler->loopNesting++;
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// check and get attributes
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$_attr = $this->getAttributes($compiler, $args);
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$attributes = array('name' => $compiler->getId($_attr['name']));
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unset($_attr['name']);
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foreach ($attributes as $a => $v) {
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if ($v === false) {
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$compiler->trigger_template_error("'{$a}' attribute/variable has illegal value", null, true);
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}
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}
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$local = "\$__section_{$attributes['name']}_" . $this->counter ++ . '_';
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$sectionVar = "\$_smarty_tpl->tpl_vars['__smarty_section_{$attributes['name']}']";
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$this->openTag($compiler, 'section', array('section', $compiler->nocache, $local, $sectionVar));
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// maybe nocache because of nocache variables
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$compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
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$initLocal = array('saved' => "isset(\$_smarty_tpl->tpl_vars['__smarty_section_{$attributes['name']}']) ? \$_smarty_tpl->tpl_vars['__section_{$attributes['name']}'] : false",);
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$initNamedProperty = array();
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$initFor = array();
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$incFor = array();
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$cmpFor = array();
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$propValue = array('index' => "{$sectionVar}->value['index']", 'show' => 'true', 'step' => 1,
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'iteration' => "{$local}iteration",
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);
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$propType = array('index' => 2, 'iteration' => 2, 'show' => 0, 'step' => 0,);
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// search for used tag attributes
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$this->scanForProperties($attributes, $compiler);
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if (!empty($this->matchResults['named'])) {
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$namedAttr = $this->matchResults['named'];
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}
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$namedAttr['index'] = true;
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$output = "<?php\n";
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foreach ($_attr as $attr_name => $attr_value) {
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switch ($attr_name) {
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case 'loop':
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if (is_numeric($attr_value)) {
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$v = (int) $attr_value;
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$t = 0;
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} else {
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$v = "(is_array(@\$_loop=$attr_value) ? count(\$_loop) : max(0, (int) \$_loop))";
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$t = 1;
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}
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if (isset($namedAttr['loop'])) {
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$initNamedProperty['loop'] = "'loop' => {$v}";
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if ($t == 1) {
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$v = "{$sectionVar}->value['loop']";
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}
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} elseif ($t == 1) {
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$initLocal['loop'] = $v;
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$v = "{$local}loop";
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}
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break;
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case 'show':
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if (is_bool($attr_value)) {
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$v = $attr_value ? 'true' : 'false';
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$t = 0;
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} else {
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$v = "(bool) $attr_value";
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$t = 3;
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}
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break;
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case 'step':
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if (is_numeric($attr_value)) {
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$v = (int) $attr_value;
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$v = ($v == 0) ? 1 : $v;
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$t = 0;
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break;
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}
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$initLocal['step'] = "((int)@$attr_value) == 0 ? 1 : (int)@$attr_value";
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$v = "{$local}step";
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$t = 2;
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break;
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case 'max':
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case 'start':
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if (is_numeric($attr_value)) {
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$v = (int) $attr_value;
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$t = 0;
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break;
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}
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$v = "(int)@$attr_value";
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$t = 3;
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break;
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}
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if ($t == 3 && $compiler->getId($attr_value)) {
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$t = 1;
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}
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$propValue[$attr_name] = $v;
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$propType[$attr_name] = $t;
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}
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if (isset($namedAttr['step'])) {
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$initNamedProperty['step'] = $propValue['step'];
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}
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if (isset($namedAttr['iteration'])) {
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$propValue['iteration'] = "{$sectionVar}->value['iteration']";
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}
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$incFor['iteration'] = "{$propValue['iteration']}++";
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$initFor['iteration'] = "{$propValue['iteration']} = 1";
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if ($propType['step'] == 0) {
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if ($propValue['step'] == 1) {
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$incFor['index'] = "{$sectionVar}->value['index']++";
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} elseif ($propValue['step'] > 1) {
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$incFor['index'] = "{$sectionVar}->value['index'] += {$propValue['step']}";
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} else {
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$incFor['index'] = "{$sectionVar}->value['index'] -= " . - $propValue['step'];
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}
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} else {
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$incFor['index'] = "{$sectionVar}->value['index'] += {$propValue['step']}";
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}
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if (!isset($propValue['max'])) {
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$propValue['max'] = $propValue['loop'];
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$propType['max'] = $propType['loop'];
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} elseif ($propType['max'] != 0) {
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$propValue['max'] = "{$propValue['max']} < 0 ? {$propValue['loop']} : {$propValue['max']}";
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$propType['max'] = 1;
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} else {
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if ($propValue['max'] < 0) {
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$propValue['max'] = $propValue['loop'];
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$propType['max'] = $propType['loop'];
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}
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}
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if (!isset($propValue['start'])) {
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$start_code = array(1 => "{$propValue['step']} > 0 ? ", 2 => '0', 3 => ' : ', 4 => $propValue['loop'],
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5 => ' - 1');
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if ($propType['loop'] == 0) {
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$start_code[5] = '';
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$start_code[4] = $propValue['loop'] - 1;
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}
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if ($propType['step'] == 0) {
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if ($propValue['step'] > 0) {
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$start_code = array(1 => '0');
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$propType['start'] = 0;
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} else {
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$start_code[1] = $start_code[2] = $start_code[3] = '';
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$propType['start'] = $propType['loop'];
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}
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} else {
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$propType['start'] = 1;
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}
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$propValue['start'] = join('', $start_code);
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} else {
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$start_code = array(1 => "{$propValue['start']} < 0 ? ", 2 => 'max(', 3 => "{$propValue['step']} > 0 ? ",
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4 => '0', 5 => ' : ', 6 => '-1', 7 => ', ',
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8 => "{$propValue['start']} + {$propValue['loop']}", 10 => ')', 11 => ' : ',
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12 => 'min(', 13 => $propValue['start'], 14 => ', ',
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15 => "{$propValue['step']} > 0 ? ", 16 => $propValue['loop'], 17 => ' : ',
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18 => $propType['loop'] == 0 ? $propValue['loop'] - 1 : "{$propValue['loop']} - 1",
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19 => ')');
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if ($propType['step'] == 0) {
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$start_code[3] = $start_code[5] = $start_code[15] = $start_code[17] = '';
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if ($propValue['step'] > 0) {
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$start_code[6] = $start_code[18] = '';
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} else {
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$start_code[4] = $start_code[16] = '';
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}
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}
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if ($propType['start'] == 0) {
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if ($propType['loop'] == 0) {
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$start_code[8] = $propValue['start'] + $propValue['loop'];
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}
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$propType['start'] = $propType['step'] + $propType['loop'];
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$start_code[1] = '';
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if ($propValue['start'] < 0) {
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for ($i = 11; $i <= 19; $i ++) {
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$start_code[$i] = '';
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}
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if ($propType['start'] == 0) {
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$start_code = array(max($propValue['step'] > 0 ? 0 : - 1, $propValue['start'] +
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$propValue['loop']));
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}
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} else {
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for ($i = 1; $i <= 11; $i ++) {
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$start_code[$i] = '';
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}
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if ($propType['start'] == 0) {
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$start_code = array(min($propValue['step'] > 0 ? $propValue['loop'] : $propValue['loop'] -
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1, $propValue['start']));
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}
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}
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}
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$propValue['start'] = join('', $start_code);
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}
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if ($propType['start'] != 0) {
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$initLocal['start'] = $propValue['start'];
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$propValue['start'] = "{$local}start";
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}
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$initFor['index'] = "{$sectionVar}->value['index'] = {$propValue['start']}";
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if (!isset($_attr['start']) && !isset($_attr['step']) && !isset($_attr['max'])) {
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$propValue['total'] = $propValue['loop'];
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$propType['total'] = $propType['loop'];
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} else {
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$propType['total'] = $propType['start'] + $propType['loop'] + $propType['step'] + $propType['max'];
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if ($propType['total'] == 0) {
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$propValue['total'] = min(ceil(($propValue['step'] > 0 ? $propValue['loop'] -
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$propValue['start'] : (int) $propValue['start'] + 1) /
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abs($propValue['step'])), $propValue['max']);
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} else {
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$total_code = array(1 => 'min(', 2 => 'ceil(', 3 => '(', 4 => "{$propValue['step']} > 0 ? ",
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5 => $propValue['loop'], 6 => ' - ', 7 => $propValue['start'], 8 => ' : ',
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9 => $propValue['start'], 10 => '+ 1', 11 => ')', 12 => '/ ', 13 => 'abs(',
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14 => $propValue['step'], 15 => ')', 16 => ')', 17 => ", {$propValue['max']})",);
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if (!isset($propValue['max'])) {
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$total_code[1] = $total_code[17] = '';
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}
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if ($propType['loop'] + $propType['start'] == 0) {
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$total_code[5] = $propValue['loop'] - $propValue['start'];
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$total_code[6] = $total_code[7] = '';
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}
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if ($propType['start'] == 0) {
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$total_code[9] = (int) $propValue['start'] + 1;
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$total_code[10] = '';
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}
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if ($propType['step'] == 0) {
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$total_code[13] = $total_code[15] = '';
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if ($propValue['step'] == 1 || $propValue['step'] == - 1) {
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$total_code[2] = $total_code[12] = $total_code[14] = $total_code[16] = '';
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} elseif ($propValue['step'] < 0) {
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$total_code[14] = - $propValue['step'];
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}
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$total_code[4] = '';
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if ($propValue['step'] > 0) {
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$total_code[8] = $total_code[9] = $total_code[10] = '';
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} else {
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$total_code[5] = $total_code[6] = $total_code[7] = $total_code[8] = '';
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}
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}
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$propValue['total'] = join('', $total_code);
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}
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}
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if (isset($namedAttr['total'])) {
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$initNamedProperty['total'] = "'total' => {$propValue['total']}";
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if ($propType['total'] > 0) {
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$propValue['total'] = "{$sectionVar}->value['total']";
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}
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} elseif ($propType['total'] > 0) {
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$initLocal['total'] = $propValue['total'];
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$propValue['total'] = "{$local}total";
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}
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$cmpFor['iteration'] = "{$propValue['iteration']} <= {$propValue['total']}";
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foreach ($initLocal as $key => $code) {
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$output .= "{$local}{$key} = {$code};\n";
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}
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$_vars = 'array(' . join(', ', $initNamedProperty) . ')';
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$output .= "{$sectionVar} = new Smarty_Variable({$_vars});\n";
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$cond_code = "{$propValue['total']} != 0";
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if ($propType['total'] == 0) {
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if ($propValue['total'] == 0) {
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$cond_code = 'false';
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} else {
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$cond_code = 'true';
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}
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}
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if ($propType['show'] > 0) {
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$output .= "{$local}show = {$propValue['show']} ? {$cond_code} : false;\n";
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$output .= "if ({$local}show) {\n";
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} elseif ($propValue['show'] == 'true') {
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$output .= "if ({$cond_code}) {\n";
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} else {
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$output .= "if (false) {\n";
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}
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$jinit = join(', ', $initFor);
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$jcmp = join(', ', $cmpFor);
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$jinc = join(', ', $incFor);
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$output .= "for ({$jinit}; {$jcmp}; {$jinc}){\n";
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if (isset($namedAttr['rownum'])) {
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$output .= "{$sectionVar}->value['rownum'] = {$propValue['iteration']};\n";
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}
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if (isset($namedAttr['index_prev'])) {
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$output .= "{$sectionVar}->value['index_prev'] = {$propValue['index']} - {$propValue['step']};\n";
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}
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if (isset($namedAttr['index_next'])) {
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$output .= "{$sectionVar}->value['index_next'] = {$propValue['index']} + {$propValue['step']};\n";
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}
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if (isset($namedAttr['first'])) {
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$output .= "{$sectionVar}->value['first'] = ({$propValue['iteration']} == 1);\n";
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}
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if (isset($namedAttr['last'])) {
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$output .= "{$sectionVar}->value['last'] = ({$propValue['iteration']} == {$propValue['total']});\n";
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}
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$output .= "?>";
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return $output;
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}
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}
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/**
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* Smarty Internal Plugin Compile Sectionelse Class
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*
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* @package Smarty
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* @subpackage Compiler
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*/
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class Smarty_Internal_Compile_Sectionelse extends Smarty_Internal_CompileBase
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{
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/**
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* Compiles code for the {sectionelse} tag
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*
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* @param array $args array with attributes from parser
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* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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*
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* @return string compiled code
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*/
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public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
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{
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// check and get attributes
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$_attr = $this->getAttributes($compiler, $args);
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list($openTag, $nocache, $local, $sectionVar) = $this->closeTag($compiler, array('section'));
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$this->openTag($compiler, 'sectionelse', array('sectionelse', $nocache, $local, $sectionVar));
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return "<?php }} else {\n ?>";
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}
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}
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/**
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* Smarty Internal Plugin Compile Sectionclose Class
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*
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* @package Smarty
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* @subpackage Compiler
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*/
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class Smarty_Internal_Compile_Sectionclose extends Smarty_Internal_CompileBase
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{
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/**
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* Compiles code for the {/section} tag
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*
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* @param array $args array with attributes from parser
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* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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*
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* @return string compiled code
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*/
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public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
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{
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$compiler->loopNesting--;
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// must endblock be nocache?
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if ($compiler->nocache) {
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$compiler->tag_nocache = true;
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}
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list($openTag, $compiler->nocache, $local, $sectionVar) = $this->closeTag($compiler, array('section',
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'sectionelse'));
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$output = "<?php\n";
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if ($openTag == 'sectionelse') {
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$output .= "}\n";
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} else {
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$output .= "}\n}\n";
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}
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$output .= "if ({$local}saved) {\n";
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$output .= "{$sectionVar} = {$local}saved;\n";
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$output .= "}\n";
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$output .= "?>";
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return $output;
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}
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}
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