mirror of
https://github.com/smarty-php/smarty.git
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81 lines
3.0 KiB
PHP
81 lines
3.0 KiB
PHP
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<?php
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/**
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* Smarty Internal Plugin Compile For
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*
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* Compiles the {for} tag
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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 For Class
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*/
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class Smarty_Internal_Compile_For extends Smarty_Internal_CompileBase {
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/**
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* Compiles code for the {for} tag
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*
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* Smarty 3 does implement two different sytaxes:
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*
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* - {for $var in $array}
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* For looping over arrays or iterators
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*
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* - {for $x=0; $x<$y; $x++}
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* For general loops
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*
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* The parser is gereration different sets of attribute by which this compiler can
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* determin which syntax is used.
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*
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* @param array $args array with attributes from parser
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* @param object $compiler compiler object
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* @return string compiled code
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*/
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public function compile($args, $compiler)
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{
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$this->compiler = $compiler;
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if (isset($args['from'])) {
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// {for $var in $array} syntax
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$this->required_attributes = array('from', 'item');
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// check and get attributes
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$_attr = $this->_get_attributes($args);
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$this->_open_tag('forarray');
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$from = $_attr['from'];
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$item = $_attr['item'];
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$output = "<?php ";
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$output .= " \$_smarty_tpl->tpl_vars[$item] = new Smarty_Variable;\n";
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$output .= " \$_from = $from; if (\$_from !== false) { if (!is_array(\$_from) && !is_object(\$_from)) { settype(\$_from, 'array');}\n";
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$output .= " \$_smarty_tpl->tpl_vars[$item]->total=count(\$_from);\n";
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$output .= " \$_smarty_tpl->tpl_vars[$item]->iteration=0;\n";
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$output .= " \$_smarty_tpl->tpl_vars[$item]->index=-1;\n";
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$output .= "if (\$_smarty_tpl->tpl_vars[$item]->total > 0){\n";
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$output .= " foreach (\$_from as \$_smarty_tpl->tpl_vars[$item]->key => \$_smarty_tpl->tpl_vars[$item]->value){\n";
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$output .= " \$_smarty_tpl->tpl_vars[$item]->iteration++;\n";
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$output .= " \$_smarty_tpl->tpl_vars[$item]->index++;\n";
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$output .= "?>";
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// return compiled code
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return $output;
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} else {
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// {for $x=0; $x<$y; $x++} syntax
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$this->required_attributes = array('ifexp', 'start', 'loop', 'varloop');
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// check and get attributes
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$_attr = $this->_get_attributes($args);
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$this->_open_tag('for');
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$output = "<?php ";
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foreach ($_attr['start'] as $_statement) {
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$output .= " \$_smarty_tpl->tpl_vars[$_statement[var]] = new Smarty_Variable;";
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$output .= " \$_smarty_tpl->tpl_vars[$_statement[var]]->value = $_statement[value];\n";
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}
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$output .= " if ($_attr[ifexp]){ for (\$_foo=true;$_attr[ifexp]; \$_smarty_tpl->tpl_vars[$_attr[varloop]]->value$_attr[loop]){\n";
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$output .= "?>";
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// return compiled code
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return $output;
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}
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}
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}
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?>
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