diff options
Diffstat (limited to 'library/Smarty/libs/sysplugins/smarty_internal_compile_foreach.php')
| -rw-r--r-- | library/Smarty/libs/sysplugins/smarty_internal_compile_foreach.php | 345 |
1 files changed, 201 insertions, 144 deletions
diff --git a/library/Smarty/libs/sysplugins/smarty_internal_compile_foreach.php b/library/Smarty/libs/sysplugins/smarty_internal_compile_foreach.php index 82ea49637..876ed026a 100644 --- a/library/Smarty/libs/sysplugins/smarty_internal_compile_foreach.php +++ b/library/Smarty/libs/sysplugins/smarty_internal_compile_foreach.php @@ -14,7 +14,7 @@ * @package Smarty * @subpackage Compiler */ -class Smarty_Internal_Compile_Foreach extends Smarty_Internal_CompileBase +class Smarty_Internal_Compile_Foreach extends Smarty_Internal_Compile_Private_ForeachSection { /** * Attribute definition: Overwrites base class. @@ -23,6 +23,7 @@ class Smarty_Internal_Compile_Foreach extends Smarty_Internal_CompileBase * @see Smarty_Internal_CompileBase */ public $required_attributes = array('from', 'item'); + /** * Attribute definition: Overwrites base class. * @@ -30,6 +31,7 @@ class Smarty_Internal_Compile_Foreach extends Smarty_Internal_CompileBase * @see Smarty_Internal_CompileBase */ public $optional_attributes = array('name', 'key'); + /** * Attribute definition: Overwrites base class. * @@ -39,177 +41,228 @@ class Smarty_Internal_Compile_Foreach extends Smarty_Internal_CompileBase public $shorttag_order = array('from', 'item', 'key', 'name'); /** + * counter + * + * @var int + */ + public $counter = 0; + + /** + * Name of this tag + * + * @var string + */ + public $tagName = 'foreach'; + + /** + * Valid properties of $smarty.foreach.name.xxx variable + * + * @var array + */ + public static $nameProperties = array('first', 'last', 'index', 'iteration', 'show', 'total'); + + /** + * Valid properties of $item@xxx variable + * + * @var array + */ + public $itemProperties = array('first', 'last', 'index', 'iteration', 'show', 'total', 'key'); + + /** + * Flag if tag had name attribute + * + * @var bool + */ + public $isNamed = false; + + /** * 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 + * @param array $args array with attributes from parser + * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object + * @param array $parameter array with compilation parameter * * @return string compiled code + * @throws \SmartyCompilerException */ - public function compile($args, $compiler, $parameter) + public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter) { + $compiler->loopNesting ++; + // init + $this->isNamed = false; // 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); + $item = $compiler->getId($_attr['item']); + if ($item === false) { + $item = $compiler->getVariableName($_attr['item']); } - + $attributes = array('item' => $item); if (isset($_attr['key'])) { - $key = $_attr['key']; - } else { - $key = null; + $key = $compiler->getId($_attr['key']); + if ($key === false) { + $key = $compiler->getVariableName($_attr['key']); + } + $attributes['key'] = $key; } - - $this->openTag($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; + $this->isNamed = true; + $attributes['name'] = $compiler->getId($_attr['name']); + } + foreach ($attributes as $a => $v) { + if ($v === false) { + $compiler->trigger_template_error("'{$a}' attribute/variable has illegal value", null, true); + } + } + $fromName = $compiler->getVariableName($_attr['from']); + if ($fromName) { + foreach (array('item', 'key') as $a) { + if (isset($attributes[$a]) && $attributes[$a] == $fromName) { + $compiler->trigger_template_error("'{$a}' and 'from' may not have same variable name '{$fromName}'", + null, true); + } + } } - $usesPropKey = strpos($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; + $itemVar = "\$_smarty_tpl->tpl_vars['{$item}']"; + $local = '$__foreach_' . (isset($attributes['name']) ? $attributes['name'] : $attributes['item']) . '_' . + $this->counter ++ . '_'; + $needIteration = false; + // search for used tag attributes + $itemAttr = array(); + $namedAttr = array(); + $this->scanForProperties($attributes, $compiler); + if (!empty($this->matchResults['item'])) { + $itemAttr = $this->matchResults['item']; + } + if (!empty($this->matchResults['named'])) { + $namedAttr = $this->matchResults['named']; + } + if (isset($itemAttr['last'])) { + $needIteration = true; + } + if (isset($namedAttr['last'])) { + $needIteration = true; + } $keyTerm = ''; - if ($usesPropKey) { - $keyTerm = "\$_smarty_tpl->tpl_vars[$item]->key => "; - } elseif ($key != null) { - $keyTerm = "\$_smarty_tpl->tpl_vars[$key]->value => "; + if (isset($itemAttr['key'])) { + $keyTerm = "{$itemVar}->key => "; + } elseif (isset($attributes['key'])) { + $keyTerm = "\$_smarty_tpl->tpl_vars['{$key}']->value => "; } + + $saveVars = array(); + $restoreVars = array(); + if ($this->isNamed) { + $foreachVar = "\$_smarty_tpl->tpl_vars['__smarty_foreach_{$attributes['name']}']"; + if (!empty($namedAttr)) { + $saveVars['saved'] = "isset({$foreachVar}) ? {$foreachVar} : false;"; + $restoreVars[] = "if ({$local}saved) {\n{$foreachVar} = {$local}saved;\n}\n"; + } + } + foreach (array('item', 'key') as $a) { + if (isset($attributes[$a])) { + $saveVars['saved_' . $a] = + "isset(\$_smarty_tpl->tpl_vars['{$attributes[$a]}']) ? \$_smarty_tpl->tpl_vars['{$attributes[$a]}'] : false;"; + $restoreVars[] = + "if ({$local}saved_{$a}) {\n\$_smarty_tpl->tpl_vars['{$attributes[$a]}'] = {$local}saved_{$a};\n}\n"; + } + } + $this->openTag($compiler, 'foreach', + array('foreach', $compiler->nocache, $local, $restoreVars, $itemVar, true)); + // maybe nocache because of nocache variables + $compiler->nocache = $compiler->nocache | $compiler->tag_nocache; + // generate output code $output = "<?php\n"; $output .= "\$_from = $from;\n"; $output .= "if (!is_array(\$_from) && !is_object(\$_from)) {\n"; $output .= "settype(\$_from, 'array');\n"; $output .= "}\n"; - $output .= "\$_smarty_tpl->tpl_vars[$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"; + foreach ($saveVars as $k => $code) { + $output .= "{$local}{$k} = {$code}\n"; } - if ($usesPropTotal) { - $output .= "\$_smarty_tpl->tpl_vars[$item]->total= \$_smarty_tpl->_count(\$_from);\n"; + $output .= "{$itemVar} = new Smarty_Variable();\n"; + $output .= "{$local}total = \$_smarty_tpl->smarty->ext->_foreach->count(\$_from);\n"; + if (isset($itemAttr['show'])) { + $output .= "{$itemVar}->show = ({$local}total > 0);\n"; } - if ($usesPropIteration) { - $output .= "\$_smarty_tpl->tpl_vars[$item]->iteration=0;\n"; + if (isset($itemAttr['total'])) { + $output .= "{$itemVar}->total= {$local}total;\n"; } - if ($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 ($has_name) { + if ($this->isNamed) { $prop = array(); - if ($usesSmartyTotal) { - $prop['total'] = "'total' => "; - $prop['total'] .= $usesSmartyShow ? '$total = ' : ''; - $prop['total'] .= '$_smarty_tpl->_count($_from)'; + if (isset($namedAttr['total'])) { + $prop['total'] = "'total' => {$local}total"; } - if ($usesSmartyIteration) { + if (isset($namedAttr['iteration'])) { $prop['iteration'] = "'iteration' => 0"; } - if ($usesSmartyIndex) { + if (isset($namedAttr['index'])) { $prop['index'] = "'index' => -1"; } - if ($usesSmartyShow) { - $prop['show'] = "'show' => "; - if ($usesSmartyTotal) { - $prop['show'] .= "(\$total > 0)"; - } else { - $prop['show'] .= "(\$_smarty_tpl->_count(\$_from) > 0)"; - } + if (isset($namedAttr['show'])) { + $prop['show'] = "'show' => ({$local}total > 0)"; } - if ($useSmartyForeach) { + if (!empty($namedAttr)) { $_vars = 'array(' . join(', ', $prop) . ')'; - $foreachVar = "'__foreach_{$name}'"; - $output .= "\$_smarty_tpl->tpl_vars[$foreachVar] = new Smarty_Variable({$_vars});\n"; + $output .= "{$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"; + $output .= "if ({$local}total) {\n"; + if (isset($attributes['key'])) { + $output .= "\$_smarty_tpl->tpl_vars['{$key}'] = new Smarty_Variable();\n"; } - if ($usesPropIteration) { - $output .= "\$_smarty_tpl->tpl_vars[$item]->iteration++;\n"; + if (isset($namedAttr['first']) || isset($itemAttr['first'])) { + $output .= "{$local}first = true;\n"; } - if ($usesPropIndex) { - $output .= "\$_smarty_tpl->tpl_vars[$item]->index++;\n"; + if (isset($itemAttr['iteration'])) { + $output .= "{$itemVar}->iteration=0;\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[$item]->iteration == 1;\n"; - } + if (isset($itemAttr['index'])) { + $output .= "{$itemVar}->index=-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 ($needIteration) { + $output .= "{$local}iteration=0;\n"; + } + $output .= "foreach (\$_from as {$keyTerm}{$itemVar}->value) {\n"; + if (isset($attributes['key']) && isset($itemAttr['key'])) { + $output .= "\$_smarty_tpl->tpl_vars['{$key}']->value = {$itemVar}->key;\n"; + } + if (isset($itemAttr['iteration'])) { + $output .= "{$itemVar}->iteration++;\n"; + } + if (isset($itemAttr['index'])) { + $output .= "{$itemVar}->index++;\n"; } - if ($has_name) { - if ($usesSmartyIteration) { - $output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['iteration']++;\n"; + if ($needIteration) { + $output .= "{$local}iteration++;\n"; + } + if (isset($itemAttr['first'])) { + $output .= "{$itemVar}->first = {$local}first;\n"; + } + if (isset($itemAttr['last'])) { + $output .= "{$itemVar}->last = {$local}iteration == {$local}total;\n"; + } + if ($this->isNamed) { + if (isset($namedAttr['iteration'])) { + $output .= "{$foreachVar}->value['iteration']++;\n"; } - if ($usesSmartyIndex) { - $output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['index']++;\n"; + if (isset($namedAttr['index'])) { + $output .= "{$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[$foreachVar]->value['iteration'] == 1;\n"; - } + if (isset($namedAttr['first'])) { + $output .= "{$foreachVar}->value['first'] = {$local}first;\n"; } - if ($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"; - } + if (isset($namedAttr['last'])) { + $output .= "{$foreachVar}->value['last'] = {$local}iteration == {$local}total;\n"; } } - $itemName = trim($item,"'\""); - $output .= "\$foreach_{$itemName}_Sav = \$_smarty_tpl->tpl_vars[$item];\n"; + if (isset($namedAttr['first']) || isset($itemAttr['first'])) { + $output .= "{$local}first = false;\n"; + } + $output .= "{$local}saved_local_item = {$itemVar};\n"; $output .= "?>"; return $output; @@ -227,24 +280,23 @@ 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 + * @param array $args array with attributes from parser + * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object + * @param array $parameter array with compilation parameter * * @return string compiled code */ - public function compile($args, $compiler, $parameter) + public function compile($args, Smarty_Internal_TemplateCompilerBase $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,"'\""); + list($openTag, $nocache, $local, $restoreVars, $itemVar, $foo) = $this->closeTag($compiler, array('foreach')); + $this->openTag($compiler, 'foreachelse', array('foreachelse', $nocache, $local, $restoreVars, $itemVar, false)); $output = "<?php\n"; - $output .= "\$_smarty_tpl->tpl_vars[$item] = \$foreach_{$itemName}_Sav;\n"; + $output .= "{$itemVar} = {$local}saved_local_item;\n"; $output .= "}\n"; - $output .= "if (!\$_smarty_tpl->tpl_vars[$item]->_loop) {\n?>"; + $output .= "} else {\n?>"; return $output; } } @@ -260,28 +312,33 @@ 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 + * @param array $args array with attributes from parser + * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object + * @param array $parameter array with compilation parameter * * @return string compiled code */ - public function compile($args, $compiler, $parameter) + public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter) { - // check and get attributes - $_attr = $this->getAttributes($compiler, $args); + $compiler->loopNesting --; // must endblock be nocache? if ($compiler->nocache) { $compiler->tag_nocache = true; } - list($openTag, $compiler->nocache, $item, $key, $restore) = $this->closeTag($compiler, array('foreach', 'foreachelse')); - $itemName = trim($item,"'\""); + list($openTag, $compiler->nocache, $local, $restoreVars, $itemVar, $restore) = + $this->closeTag($compiler, array('foreach', 'foreachelse')); $output = "<?php\n"; + if ($restore) { - $output .= "\$_smarty_tpl->tpl_vars[$item] = \$foreach_{$itemName}_Sav;\n"; + $output .= "{$itemVar} = {$local}saved_local_item;\n"; + $output .= "}\n"; + } + $output .= "}\n"; + foreach ($restoreVars as $restore) { + $output .= $restore; } - $output .= "}\n?>"; + $output .= "?>"; return $output; } |