<?php /** * Smarty Internal Plugin Compile For * Compiles the {for} {forelse} {/for} tags * * @package Smarty * @subpackage Compiler * @author Uwe Tews */ /** * Smarty Internal Plugin Compile For Class * * @package Smarty * @subpackage Compiler */ class Smarty_Internal_Compile_For extends Smarty_Internal_CompileBase { /** * Compiles code for the {for} tag * Smarty 3 does implement two different syntax's: * - {for $var in $array} * For looping over arrays or iterators * - {for $x=0; $x<$y; $x++} * For general loops * The parser is generating different sets of attribute by which this compiler can * determine which syntax is used. * * @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, $parameter) { if ($parameter == 0) { $this->required_attributes = array('start', 'to'); $this->optional_attributes = array('max', 'step'); } else { $this->required_attributes = array('start', 'ifexp', 'var', 'step'); $this->optional_attributes = array(); } // check and get attributes $_attr = $this->getAttributes($compiler, $args); $output = "<?php "; if ($parameter == 1) { foreach ($_attr['start'] as $_statement) { $output .= " \$_smarty_tpl->tpl_vars[$_statement[var]] = new Smarty_Variable;"; $output .= " \$_smarty_tpl->tpl_vars[$_statement[var]]->value = $_statement[value];\n"; } $output .= " if ($_attr[ifexp]) { for (\$_foo=true;$_attr[ifexp]; \$_smarty_tpl->tpl_vars[$_attr[var]]->value$_attr[step]) {\n"; } else { $_statement = $_attr['start']; $output .= "\$_smarty_tpl->tpl_vars[$_statement[var]] = new Smarty_Variable;"; if (isset($_attr['step'])) { $output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->step = $_attr[step];"; } else { $output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->step = 1;"; } if (isset($_attr['max'])) { $output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->total = (int) min(ceil((\$_smarty_tpl->tpl_vars[$_statement[var]]->step > 0 ? $_attr[to]+1 - ($_statement[value]) : $_statement[value]-($_attr[to])+1)/abs(\$_smarty_tpl->tpl_vars[$_statement[var]]->step)),$_attr[max]);\n"; } else { $output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->total = (int) ceil((\$_smarty_tpl->tpl_vars[$_statement[var]]->step > 0 ? $_attr[to]+1 - ($_statement[value]) : $_statement[value]-($_attr[to])+1)/abs(\$_smarty_tpl->tpl_vars[$_statement[var]]->step));\n"; } $output .= "if (\$_smarty_tpl->tpl_vars[$_statement[var]]->total > 0) {\n"; $output .= "for (\$_smarty_tpl->tpl_vars[$_statement[var]]->value = $_statement[value], \$_smarty_tpl->tpl_vars[$_statement[var]]->iteration = 1;\$_smarty_tpl->tpl_vars[$_statement[var]]->iteration <= \$_smarty_tpl->tpl_vars[$_statement[var]]->total;\$_smarty_tpl->tpl_vars[$_statement[var]]->value += \$_smarty_tpl->tpl_vars[$_statement[var]]->step, \$_smarty_tpl->tpl_vars[$_statement[var]]->iteration++) {\n"; $output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->first = \$_smarty_tpl->tpl_vars[$_statement[var]]->iteration == 1;"; $output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->last = \$_smarty_tpl->tpl_vars[$_statement[var]]->iteration == \$_smarty_tpl->tpl_vars[$_statement[var]]->total;"; } $output .= "?>"; $this->openTag($compiler, 'for', array('for', $compiler->nocache)); // maybe nocache because of nocache variables $compiler->nocache = $compiler->nocache | $compiler->tag_nocache; // return compiled code return $output; } } /** * Smarty Internal Plugin Compile Forelse Class * * @package Smarty * @subpackage Compiler */ class Smarty_Internal_Compile_Forelse extends Smarty_Internal_CompileBase { /** * Compiles code for the {forelse} 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) = $this->closeTag($compiler, array('for')); $this->openTag($compiler, 'forelse', array('forelse', $nocache)); return "<?php }} else { ?>"; } } /** * Smarty Internal Plugin Compile Forclose Class * * @package Smarty * @subpackage Compiler */ class Smarty_Internal_Compile_Forclose extends Smarty_Internal_CompileBase { /** * Compiles code for the {/for} 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) = $this->closeTag($compiler, array('for', 'forelse')); if ($openTag == 'forelse') { return "<?php } ?>"; } else { return "<?php }} ?>"; } } }