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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
- *
- * @package Smarty
- * @subpackage Compiler
- */
- class Smarty_Internal_Compile_Foreach extends Smarty_Internal_CompileBase {
- /**
- * Attribute definition: Overwrites base class.
- *
- * @var array
- * @see Smarty_Internal_CompileBase
- */
- public $required_attributes = array('from', 'item');
- /**
- * Attribute definition: Overwrites base class.
- *
- * @var array
- * @see Smarty_Internal_CompileBase
- */
- public $optional_attributes = array('name', 'key');
- /**
- * Attribute definition: Overwrites base class.
- *
- * @var array
- * @see Smarty_Internal_CompileBase
- */
- public $shorttag_order = array('from','item','key','name');
- /**
- * Compiles code for the {foreach} 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)
- {
- $tpl = $compiler->template;
- // check and get attributes
- $_attr = $this->getAttributes($compiler, $args);
- $from = $_attr['from'];
- $item = $_attr['item'];
- if (!strncmp("\$_smarty_tpl->tpl_vars[$item]", $from, strlen($item) + 24)) {
- $compiler->trigger_template_error("item variable {$item} may not be the same variable as at 'from'", $compiler->lex->taglineno);
- }
- if (isset($_attr['key'])) {
- $key = $_attr['key'];
- } else {
- $key = null;
- }
- $this->openTag($compiler, 'foreach', array('foreach', $compiler->nocache, $item, $key));
- // maybe nocache because of nocache variables
- $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
- if (isset($_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->source->content, $SmartyVarName . 'first') !== false;
- $usesSmartyLast = strpos($tpl->source->content, $SmartyVarName . 'last') !== false;
- $usesSmartyIndex = strpos($tpl->source->content, $SmartyVarName . 'index') !== false;
- $usesSmartyIteration = strpos($tpl->source->content, $SmartyVarName . 'iteration') !== false;
- $usesSmartyShow = strpos($tpl->source->content, $SmartyVarName . 'show') !== false;
- $usesSmartyTotal = strpos($tpl->source->content, $SmartyVarName . 'total') !== false;
- } else {
- $usesSmartyFirst = false;
- $usesSmartyLast = false;
- $usesSmartyTotal = false;
- $usesSmartyShow = false;
- }
- $usesPropFirst = $usesSmartyFirst || strpos($tpl->source->content, $ItemVarName . 'first') !== false;
- $usesPropLast = $usesSmartyLast || strpos($tpl->source->content, $ItemVarName . 'last') !== false;
- $usesPropIndex = $usesPropFirst || strpos($tpl->source->content, $ItemVarName . 'index') !== false;
- $usesPropIteration = $usesPropLast || strpos($tpl->source->content, $ItemVarName . 'iteration') !== false;
- $usesPropShow = strpos($tpl->source->content, $ItemVarName . 'show') !== false;
- $usesPropTotal = $usesSmartyTotal || $usesSmartyShow || $usesPropShow || $usesPropLast || strpos($tpl->source->content, $ItemVarName . 'total') !== false;
- // generate output code
- $output = "<?php ";
- $output .= " \$_smarty_tpl->tpl_vars[$item] = new Smarty_Variable; \$_smarty_tpl->tpl_vars[$item]->_loop = false;\n";
- if ($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= \$_smarty_tpl->_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 ($usesPropShow) {
- $output .= " \$_smarty_tpl->tpl_vars[$item]->show = (\$_smarty_tpl->tpl_vars[$item]->total > 0);\n";
- }
- if ($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";
- }
- if ($usesSmartyShow) {
- $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['show']=(\$_smarty_tpl->tpl_vars[$item]->total > 0);\n";
- }
- }
- $output .= "foreach (\$_from as \$_smarty_tpl->tpl_vars[$item]->key => \$_smarty_tpl->tpl_vars[$item]->value){\n\$_smarty_tpl->tpl_vars[$item]->_loop = true;\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
- *
- * @package Smarty
- * @subpackage Compiler
- */
- 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
- * @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, $args);
- list($openTag, $nocache, $item, $key) = $this->closeTag($compiler, array('foreach'));
- $this->openTag($compiler, 'foreachelse', array('foreachelse', $nocache, $item, $key));
- return "<?php }\nif (!\$_smarty_tpl->tpl_vars[$item]->_loop) {\n?>";
- }
- }
- /**
- * Smarty Internal Plugin Compile Foreachclose Class
- *
- * @package Smarty
- * @subpackage Compiler
- */
- 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
- * @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, $args);
- // must endblock be nocache?
- if ($compiler->nocache) {
- $compiler->tag_nocache = true;
- }
- list($openTag, $compiler->nocache, $item, $key) = $this->closeTag($compiler, array('foreach', 'foreachelse'));
- return "<?php } ?>";
- }
- }
- ?>
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