diff --git a/library/smarty/libs/sysplugins/smarty_internal_compile_foreach.php b/library/smarty/libs/sysplugins/smarty_internal_compile_foreach.php new file mode 100644 --- /dev/null +++ b/library/smarty/libs/sysplugins/smarty_internal_compile_foreach.php @@ -0,0 +1,282 @@ +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, true)); + // maybe nocache because of nocache variables + $compiler->nocache = $compiler->nocache | $compiler->tag_nocache; + + if (isset($_attr['name'])) { + $name = trim($_attr['name'], '\'"'); + $has_name = true; + $SmartyVarName = "\$smarty.foreach.{$name}."; + } else { + $has_name = false; + } + $ItemVarName = '$' . trim($item, '\'"') . '@'; + // evaluates which Smarty variables and properties have to be computed + + if ($has_name) { + $useSmartyForeach = $usesSmartyFirst = strpos($compiler->lex->data, $SmartyVarName . 'first') !== false; + $useSmartyForeach = ($usesSmartyLast = strpos($compiler->lex->data, $SmartyVarName . 'last') !== false) || $useSmartyForeach; + $useSmartyForeach = ($usesSmartyIndex = strpos($compiler->lex->data, $SmartyVarName . 'index') !== false) || $useSmartyForeach; + $useSmartyForeach = ($usesSmartyIteration = (!$usesSmartyIndex && ($usesSmartyFirst || $usesSmartyLast)) || strpos($compiler->lex->data, $SmartyVarName . 'iteration') !== false) || $useSmartyForeach; + $useSmartyForeach = ($usesSmartyShow = strpos($compiler->lex->data, $SmartyVarName . 'show') !== false) || $useSmartyForeach; + $useSmartyForeach = ($usesSmartyTotal = $usesSmartyLast || strpos($compiler->lex->data, $SmartyVarName . 'total') !== false) || $useSmartyForeach; + } else { + $usesSmartyFirst = false; + $usesSmartyLast = false; + $usesSmartyTotal = false; + $usesSmartyShow = false; + $useSmartyForeach = false; + } + + $usesPropKey = strpos($compiler->lex->data, $ItemVarName . 'key') !== false; + $usesPropFirst = strpos($compiler->lex->data, $ItemVarName . 'first') !== false; + $usesPropLast = strpos($compiler->lex->data, $ItemVarName . 'last') !== false; + $usesPropIndex = strpos($compiler->lex->data, $ItemVarName . 'index') !== false; + $usesPropIteration = (!$usesPropIndex && ($usesPropFirst || $usesPropLast)) || strpos($compiler->lex->data, $ItemVarName . 'iteration') !== false; + $usesPropShow = strpos($compiler->lex->data, $ItemVarName . 'show') !== false; + $usesPropTotal = $usesPropLast || strpos($compiler->lex->data, $ItemVarName . 'total') !== false; + + $keyTerm = ''; + if ($usesPropKey) { + $keyTerm = "\$_smarty_tpl->tpl_vars[$item]->key => "; + } elseif ($key != null) { + $keyTerm = "\$_smarty_tpl->tpl_vars[$key]->value => "; + } + // generate output code + $output = "tpl_vars[$item] = new Smarty_Variable;\n"; + $output .= "\$_smarty_tpl->tpl_vars[$item]->_loop = false;\n"; + if ($key != null) { + $output .= "\$_smarty_tpl->tpl_vars[$key] = new Smarty_Variable;\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 ($usesPropShow) { + if ($usesPropTotal) { + $output .= "\$_smarty_tpl->tpl_vars[$item]->show = (\$_smarty_tpl->tpl_vars[$item]->total > 0);\n"; + } else { + $output .= "\$_smarty_tpl->tpl_vars[$item]->show = (\$_smarty_tpl->_count(\$_from) > 0);\n"; + } + } + if ($has_name) { + $prop = array(); + if ($usesSmartyTotal) { + $prop['total'] = "'total' => "; + $prop['total'] .= $usesSmartyShow ? '$total = ' : ''; + $prop['total'] .= '$_smarty_tpl->_count($_from)'; + } + if ($usesSmartyIteration) { + $prop['iteration'] = "'iteration' => 0"; + } + if ($usesSmartyIndex) { + $prop['index'] = "'index' => -1"; + } + if ($usesSmartyShow) { + $prop['show'] = "'show' => "; + if ($usesSmartyTotal) { + $prop['show'] .= "(\$total > 0)"; + } else { + $prop['show'] .= "(\$_smarty_tpl->_count(\$_from) > 0)"; + } + } + if ($useSmartyForeach) { + $_vars = 'array(' . join(', ', $prop) . ')'; + $foreachVar = "'__foreach_{$name}'"; + $output .= "\$_smarty_tpl->tpl_vars[$foreachVar] = new Smarty_Variable({$_vars});\n"; + } + } + $output .= "foreach (\$_from as {$keyTerm}\$_smarty_tpl->tpl_vars[$item]->value) {\n"; + $output .= "\$_smarty_tpl->tpl_vars[$item]->_loop = true;\n"; + if ($key != null && $usesPropKey) { + $output .= "\$_smarty_tpl->tpl_vars[$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 ($usesPropFirst) { + if ($usesPropIndex) { + $output .= "\$_smarty_tpl->tpl_vars[$item]->first = \$_smarty_tpl->tpl_vars[$item]->index == 0;\n"; + } else { + $output .= "\$_smarty_tpl->tpl_vars[$item]->first = \$_smarty_tpl->tpl_vars[$item]->iteration == 1;\n"; + } + } + if ($usesPropLast) { + if ($usesPropIndex) { + $output .= "\$_smarty_tpl->tpl_vars[$item]->last = \$_smarty_tpl->tpl_vars[$item]->index + 1 == \$_smarty_tpl->tpl_vars[$item]->total;\n"; + } else { + $output .= "\$_smarty_tpl->tpl_vars[$item]->last = \$_smarty_tpl->tpl_vars[$item]->iteration == \$_smarty_tpl->tpl_vars[$item]->total;\n"; + } + } + if ($has_name) { + if ($usesSmartyIteration) { + $output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['iteration']++;\n"; + } + if ($usesSmartyIndex) { + $output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['index']++;\n"; + } + if ($usesSmartyFirst) { + if ($usesSmartyIndex) { + $output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['first'] = \$_smarty_tpl->tpl_vars[$foreachVar]->value['index'] == 0;\n"; + } else { + $output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['first'] = \$_smarty_tpl->tpl_vars[$foreachVar]->value['iteration'] == 1;\n"; + } + } + if ($usesSmartyLast) { + if ($usesSmartyIndex) { + $output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['last'] = \$_smarty_tpl->tpl_vars[$foreachVar]->value['index'] + 1 == \$_smarty_tpl->tpl_vars[$foreachVar]->value['total'];\n"; + } else { + $output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['last'] = \$_smarty_tpl->tpl_vars[$foreachVar]->value['iteration'] == \$_smarty_tpl->tpl_vars[$foreachVar]->value['total'];\n"; + } + } + } + $itemName = trim($item, "'\""); + $output .= "\$foreach_{$itemName}_Sav = \$_smarty_tpl->tpl_vars[$item];\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, $foo) = $this->closeTag($compiler, array('foreach')); + $this->openTag($compiler, 'foreachelse', array('foreachelse', $nocache, $item, $key, false)); + $itemName = trim($item, "'\""); + $output = "tpl_vars[$item] = \$foreach_{$itemName}_Sav;\n"; + $output .= "}\n"; + $output .= "if (!\$_smarty_tpl->tpl_vars[$item]->_loop) {\n?>"; + return $output; + } +} + +/** + * 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, $restore) = $this->closeTag($compiler, array('foreach', 'foreachelse')); + $itemName = trim($item, "'\""); + $output = "tpl_vars[$item] = \$foreach_{$itemName}_Sav;\n"; + } + $output .= "}\n?>"; + + return $output; + } +}