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smarty_internal_compile_foreach.php
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smarty_internal_compile_foreach.php
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<?php
/**
* Smarty Internal Plugin Compile Foreach
*
* Compiles the {foreach} {foreachelse} {/foreach} tags
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
/**
* Smarty Internal Plugin Compile Foreach Class
*/
class Smarty_Internal_Compile_Foreach extends Smarty_Internal_CompileBase {
/**
* Compiles code for the {foreach} tag
*
* @param array $args array with attributes from parser
* @param object $compiler compiler object
* @return string compiled code
*/
public function compile($args, $compiler)
{
$this->compiler = $compiler;
$this->required_attributes = array('from', 'item');
$this->optional_attributes = array('name', 'key');
$tpl = $compiler->template;
// check and get attributes
$_attr = $this->_get_attributes($args);
$this->_open_tag('foreach', array('foreach',$this->compiler->nocache));
// maybe nocache because of nocache variables
$this->compiler->nocache = $this->compiler->nocache | $this->compiler->tag_nocache;
$from = $_attr['from'];
$item = $_attr['item'];
if (isset($_attr['key'])) {
$key = $_attr['key'];
} else {
$key = null;
}
if (isset($_attr['name'])) {
$name = $_attr['name'];
$has_name = true;
$SmartyVarName = '$smarty.foreach.' . trim($name,'\'"') . '.';
} else {
$name = null;
$has_name = false;
}
$ItemVarName = '$' . trim($item,'\'"') . '@';
// evaluates which Smarty variables and properties have to be computed
if ($has_name) {
$usesSmartyFirst = strpos($tpl->template_source, $SmartyVarName . 'first') !== false;
$usesSmartyLast = strpos($tpl->template_source, $SmartyVarName . 'last') !== false;
$usesSmartyIndex = strpos($tpl->template_source, $SmartyVarName . 'index') !== false;
$usesSmartyIteration = strpos($tpl->template_source, $SmartyVarName . 'iteration') !== false;
$usesSmartyShow = strpos($tpl->template_source, $SmartyVarName . 'show') !== false;
$usesSmartyTotal = $usesSmartyLast || strpos($tpl->template_source, $SmartyVarName . 'total') !== false;
} else {
$usesSmartyFirst = false;
$usesSmartyLast = false;
$usesSmartyTotal = false;
}
$usesPropFirst = $usesSmartyFirst || strpos($tpl->template_source, $ItemVarName . 'first') !== false;
$usesPropLast = $usesSmartyLast || strpos($tpl->template_source, $ItemVarName . 'last') !== false;
$usesPropIndex = $usesPropFirst || strpos($tpl->template_source, $ItemVarName . 'index') !== false;
$usesPropIteration = $usesPropLast || strpos($tpl->template_source, $ItemVarName . 'iteration') !== false;
$usesPropShow = strpos($tpl->template_source, $ItemVarName . 'show') !== false;
$usesPropTotal = $usesSmartyTotal || $usesPropLast || strpos($tpl->template_source, $ItemVarName . 'total') !== false;
// generate output code
$output = "<?php ";
$output .= " \$_smarty_tpl->tpl_vars[$item] = new Smarty_Variable;\n";
if ($key != null) {
$output .= " \$_smarty_tpl->tpl_vars[$key] = new Smarty_Variable;\n";
}
$output .= " \$_from = $from; if (!is_array(\$_from) && !is_object(\$_from)) { settype(\$_from, 'array');}\n";
if ($usesPropTotal) {
$output .= " \$_smarty_tpl->tpl_vars[$item]->total=count(\$_from);\n";
}
if ($usesPropIteration) {
$output .= " \$_smarty_tpl->tpl_vars[$item]->iteration=0;\n";
}
if ($usesPropIndex) {
$output .= " \$_smarty_tpl->tpl_vars[$item]->index=-1;\n";
}
if ($has_name) {
if ($usesSmartyTotal) {
$output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['total'] = \$_smarty_tpl->tpl_vars[$item]->total;\n";
}
if ($usesSmartyIteration) {
$output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['iteration']=0;\n";
}
if ($usesSmartyIndex) {
$output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['index']=-1;\n";
}
}
$output .= "if (count(\$_from) > 0){\n";
$output .= " foreach (\$_from as \$_smarty_tpl->tpl_vars[$item]->key => \$_smarty_tpl->tpl_vars[$item]->value){\n";
if ($key != null) {
$output .= " \$_smarty_tpl->tpl_vars[$key]->value = \$_smarty_tpl->tpl_vars[$item]->key;\n";
}
if ($usesPropIteration) {
$output .= " \$_smarty_tpl->tpl_vars[$item]->iteration++;\n";
}
if ($usesPropIndex) {
$output .= " \$_smarty_tpl->tpl_vars[$item]->index++;\n";
}
if ($usesPropFirst) {
$output .= " \$_smarty_tpl->tpl_vars[$item]->first = \$_smarty_tpl->tpl_vars[$item]->index === 0;\n";
}
if ($usesPropLast) {
$output .= " \$_smarty_tpl->tpl_vars[$item]->last = \$_smarty_tpl->tpl_vars[$item]->iteration === \$_smarty_tpl->tpl_vars[$item]->total;\n";
}
if ($has_name) {
if ($usesSmartyFirst) {
$output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['first'] = \$_smarty_tpl->tpl_vars[$item]->first;\n";
}
if ($usesSmartyIteration) {
$output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['iteration']++;\n";
}
if ($usesSmartyIndex) {
$output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['index']++;\n";
}
if ($usesSmartyLast) {
$output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['last'] = \$_smarty_tpl->tpl_vars[$item]->last;\n";
}
}
$output .= "?>";
return $output;
}
}
/**
* Smarty Internal Plugin Compile Foreachelse Class
*/
class Smarty_Internal_Compile_Foreachelse extends Smarty_Internal_CompileBase {
/**
* Compiles code for the {foreachelse} tag
*
* @param array $args array with attributes from parser
* @param object $compiler compiler object
* @return string compiled code
*/
public function compile($args, $compiler)
{
$this->compiler = $compiler;
// check and get attributes
$_attr = $this->_get_attributes($args);
list($_open_tag, $nocache) = $this->_close_tag(array('foreach'));
$this->_open_tag('foreachelse',array('foreachelse', $nocache));
return "<?php }} else { ?>";
}
}
/**
* Smarty Internal Plugin Compile Foreachclose Class
*/
class Smarty_Internal_Compile_Foreachclose extends Smarty_Internal_CompileBase {
/**
* Compiles code for the {/foreach} tag
*
* @param array $args array with attributes from parser
* @param object $compiler compiler object
* @return string compiled code
*/
public function compile($args, $compiler)
{
$this->compiler = $compiler;
// check and get attributes
$_attr = $this->_get_attributes($args);
// must endblock be nocache?
if ($this->compiler->nocache) {
$this->compiler->tag_nocache = true;
}
list($_open_tag, $this->compiler->nocache) = $this->_close_tag(array('foreach', 'foreachelse'));
if ($_open_tag == 'foreachelse')
return "<?php } ?>";
else
return "<?php }} ?>";
}
}
?>

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Sat, Feb 22, 20:21 (23 h, 39 m ago)
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smarty_internal_compile_foreach.php (7 KB)

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