diff options
Diffstat (limited to 'include/smarty/libs/sysplugins/smarty_internal_compile_foreach.php')
| -rw-r--r-- | include/smarty/libs/sysplugins/smarty_internal_compile_foreach.php | 354 |
1 files changed, 234 insertions, 120 deletions
diff --git a/include/smarty/libs/sysplugins/smarty_internal_compile_foreach.php b/include/smarty/libs/sysplugins/smarty_internal_compile_foreach.php index 1354c89d5..876ed026a 100644 --- a/include/smarty/libs/sysplugins/smarty_internal_compile_foreach.php +++ b/include/smarty/libs/sysplugins/smarty_internal_compile_foreach.php @@ -1,21 +1,21 @@ <?php /** * Smarty Internal Plugin Compile Foreach - * * Compiles the {foreach} {foreachelse} {/foreach} tags * - * @package Smarty + * @package Smarty * @subpackage Compiler - * @author Uwe Tews + * @author Uwe Tews */ /** * Smarty Internal Plugin Compile Foreach Class * - * @package Smarty + * @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. * @@ -30,137 +31,238 @@ class Smarty_Internal_Compile_Foreach extends Smarty_Internal_CompileBase { * @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'); + 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) { - $tpl = $compiler->template; + $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'] = $key; + } + if (isset($_attr['name'])) { + $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); + } + } } - $this->openTag($compiler, 'foreach', array('foreach', $compiler->nocache, $item, $key)); + $itemVar = "\$_smarty_tpl->tpl_vars['{$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; + } + + $keyTerm = ''; + if (isset($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 | $compiler->tag_nocache; - if (isset($_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"; + $output = "<?php\n"; + $output .= "\$_from = $from;\n"; + $output .= "if (!is_array(\$_from) && !is_object(\$_from)) {\n"; + $output .= "settype(\$_from, 'array');\n"; + $output .= "}\n"; + foreach ($saveVars as $k => $code) { + $output .= "{$local}{$k} = {$code}\n"; } - if ($usesPropIndex) { - $output .= " \$_smarty_tpl->tpl_vars[$item]->index=-1;\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 = ({$local}total > 0);\n"; } - if ($usesPropShow) { - $output .= " \$_smarty_tpl->tpl_vars[$item]->show = (\$_smarty_tpl->tpl_vars[$item]->total > 0);\n"; + if (isset($itemAttr['total'])) { + $output .= "{$itemVar}->total= {$local}total;\n"; } - if ($has_name) { - if ($usesSmartyTotal) { - $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['total'] = \$_smarty_tpl->tpl_vars[$item]->total;\n"; + if ($this->isNamed) { + $prop = array(); + if (isset($namedAttr['total'])) { + $prop['total'] = "'total' => {$local}total"; } - if ($usesSmartyIteration) { - $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['iteration']=0;\n"; + if (isset($namedAttr['iteration'])) { + $prop['iteration'] = "'iteration' => 0"; } - if ($usesSmartyIndex) { - $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['index']=-1;\n"; + if (isset($namedAttr['index'])) { + $prop['index'] = "'index' => -1"; } - if ($usesSmartyShow) { - $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['show']=(\$_smarty_tpl->tpl_vars[$item]->total > 0);\n"; + if (isset($namedAttr['show'])) { + $prop['show'] = "'show' => ({$local}total > 0)"; } + if (!empty($namedAttr)) { + $_vars = 'array(' . join(', ', $prop) . ')'; + $output .= "{$foreachVar} = new Smarty_Variable({$_vars});\n"; + } + } + $output .= "if ({$local}total) {\n"; + if (isset($attributes['key'])) { + $output .= "\$_smarty_tpl->tpl_vars['{$key}'] = new Smarty_Variable();\n"; + } + if (isset($namedAttr['first']) || isset($itemAttr['first'])) { + $output .= "{$local}first = true;\n"; + } + if (isset($itemAttr['iteration'])) { + $output .= "{$itemVar}->iteration=0;\n"; + } + if (isset($itemAttr['index'])) { + $output .= "{$itemVar}->index=-1;\n"; + } + if ($needIteration) { + $output .= "{$local}iteration=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"; + $output .= "foreach (\$_from as {$keyTerm}{$itemVar}->value) {\n"; + if (isset($attributes['key']) && isset($itemAttr['key'])) { + $output .= "\$_smarty_tpl->tpl_vars['{$key}']->value = {$itemVar}->key;\n"; } - if ($usesPropIteration) { - $output .= " \$_smarty_tpl->tpl_vars[$item]->iteration++;\n"; + if (isset($itemAttr['iteration'])) { + $output .= "{$itemVar}->iteration++;\n"; } - if ($usesPropIndex) { - $output .= " \$_smarty_tpl->tpl_vars[$item]->index++;\n"; + if (isset($itemAttr['index'])) { + $output .= "{$itemVar}->index++;\n"; } - if ($usesPropFirst) { - $output .= " \$_smarty_tpl->tpl_vars[$item]->first = \$_smarty_tpl->tpl_vars[$item]->index === 0;\n"; + if ($needIteration) { + $output .= "{$local}iteration++;\n"; } - if ($usesPropLast) { - $output .= " \$_smarty_tpl->tpl_vars[$item]->last = \$_smarty_tpl->tpl_vars[$item]->iteration === \$_smarty_tpl->tpl_vars[$item]->total;\n"; + if (isset($itemAttr['first'])) { + $output .= "{$itemVar}->first = {$local}first;\n"; } - if ($has_name) { - if ($usesSmartyFirst) { - $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['first'] = \$_smarty_tpl->tpl_vars[$item]->first;\n"; + if (isset($itemAttr['last'])) { + $output .= "{$itemVar}->last = {$local}iteration == {$local}total;\n"; + } + if ($this->isNamed) { + if (isset($namedAttr['iteration'])) { + $output .= "{$foreachVar}->value['iteration']++;\n"; } - if ($usesSmartyIteration) { - $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['iteration']++;\n"; + if (isset($namedAttr['index'])) { + $output .= "{$foreachVar}->value['index']++;\n"; } - if ($usesSmartyIndex) { - $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['index']++;\n"; + if (isset($namedAttr['first'])) { + $output .= "{$foreachVar}->value['first'] = {$local}first;\n"; } - if ($usesSmartyLast) { - $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['last'] = \$_smarty_tpl->tpl_vars[$item]->last;\n"; + if (isset($namedAttr['last'])) { + $output .= "{$foreachVar}->value['last'] = {$local}iteration == {$local}total;\n"; } } + if (isset($namedAttr['first']) || isset($itemAttr['first'])) { + $output .= "{$local}first = false;\n"; + } + $output .= "{$local}saved_local_item = {$itemVar};\n"; $output .= "?>"; return $output; @@ -170,62 +272,74 @@ class Smarty_Internal_Compile_Foreach extends Smarty_Internal_CompileBase { /** * Smarty Internal Plugin Compile Foreachelse Class * - * @package Smarty + * @package Smarty * @subpackage Compiler */ -class Smarty_Internal_Compile_Foreachelse extends Smarty_Internal_CompileBase { - +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) = $this->closeTag($compiler, array('foreach')); - $this->openTag($compiler, 'foreachelse', array('foreachelse', $nocache, $item, $key)); - - return "<?php }\nif (!\$_smarty_tpl->tpl_vars[$item]->_loop) {\n?>"; + 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"; + $output .= "{$itemVar} = {$local}saved_local_item;\n"; + $output .= "}\n"; + $output .= "} else {\n?>"; + return $output; } - } /** * Smarty Internal Plugin Compile Foreachclose Class * - * @package Smarty + * @package Smarty * @subpackage Compiler */ -class Smarty_Internal_Compile_Foreachclose extends Smarty_Internal_CompileBase { - +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) = $this->closeTag($compiler, array('foreach', 'foreachelse')); + list($openTag, $compiler->nocache, $local, $restoreVars, $itemVar, $restore) = + $this->closeTag($compiler, array('foreach', 'foreachelse')); + $output = "<?php\n"; - return "<?php } ?>"; - } + if ($restore) { + $output .= "{$itemVar} = {$local}saved_local_item;\n"; + $output .= "}\n"; + } + $output .= "}\n"; + foreach ($restoreVars as $restore) { + $output .= $restore; + } + $output .= "?>"; + return $output; + } } - -?>
\ No newline at end of file |