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115 lines
3.9 KiB
115 lines
3.9 KiB
<?php |
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/** |
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* Runtime Extension updateScope |
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* |
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* @package Smarty |
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* @subpackage PluginsInternal |
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* @author Uwe Tews |
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**/ |
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class Smarty_Internal_Runtime_UpdateScope |
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{ |
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/** |
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* Update new assigned template or config variable in other effected scopes |
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* |
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* @param Smarty_Internal_Template $tpl data object |
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* @param string|null $varName variable name |
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* @param int $tagScope tag scope to which bubble up variable value |
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*/ |
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public function _updateScope(Smarty_Internal_Template $tpl, $varName, $tagScope = 0) |
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{ |
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if ($tagScope) { |
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$this->_updateVarStack($tpl, $varName); |
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$tagScope = $tagScope & ~Smarty::SCOPE_LOCAL; |
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if (!$tpl->scope && !$tagScope) { |
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return; |
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} |
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} |
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$mergedScope = $tagScope | $tpl->scope; |
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if ($mergedScope) { |
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if ($mergedScope & Smarty::SCOPE_GLOBAL && $varName) { |
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Smarty::$global_tpl_vars[ $varName ] = $tpl->tpl_vars[ $varName ]; |
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} |
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// update scopes |
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foreach ($this->_getAffectedScopes($tpl, $mergedScope) as $ptr) { |
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$this->_updateVariableInOtherScope($ptr->tpl_vars, $tpl, $varName); |
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if ($tagScope && $ptr->_isTplObj() && isset($tpl->_cache[ 'varStack' ])) { |
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$this->_updateVarStack($ptr, $varName); |
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} |
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} |
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} |
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} |
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/** |
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* Get array of objects which needs to be updated by given scope value |
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* |
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* @param Smarty_Internal_Template $tpl |
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* @param int $mergedScope merged tag and template scope to which bubble up variable value |
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* |
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* @return array |
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*/ |
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public function _getAffectedScopes(Smarty_Internal_Template $tpl, $mergedScope) |
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{ |
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$_stack = array(); |
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$ptr = $tpl->parent; |
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if ($mergedScope && isset($ptr) && $ptr->_isTplObj()) { |
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$_stack[] = $ptr; |
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$mergedScope = $mergedScope & ~Smarty::SCOPE_PARENT; |
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if (!$mergedScope) { |
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// only parent was set, we are done |
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return $_stack; |
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} |
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$ptr = $ptr->parent; |
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} |
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while (isset($ptr) && $ptr->_isTplObj()) { |
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$_stack[] = $ptr; |
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$ptr = $ptr->parent; |
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} |
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if ($mergedScope & Smarty::SCOPE_SMARTY) { |
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if (isset($tpl->smarty)) { |
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$_stack[] = $tpl->smarty; |
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} |
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} elseif ($mergedScope & Smarty::SCOPE_ROOT) { |
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while (isset($ptr)) { |
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if (!$ptr->_isTplObj()) { |
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$_stack[] = $ptr; |
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break; |
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} |
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$ptr = $ptr->parent; |
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} |
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} |
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return $_stack; |
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} |
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/** |
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* Update variable in other scope |
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* |
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* @param array $tpl_vars template variable array |
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* @param \Smarty_Internal_Template $from |
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* @param string $varName variable name |
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*/ |
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public function _updateVariableInOtherScope(&$tpl_vars, Smarty_Internal_Template $from, $varName) |
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{ |
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if (!isset($tpl_vars[ $varName ])) { |
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$tpl_vars[ $varName ] = clone $from->tpl_vars[ $varName ]; |
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} else { |
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$tpl_vars[ $varName ] = clone $tpl_vars[ $varName ]; |
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$tpl_vars[ $varName ]->value = $from->tpl_vars[ $varName ]->value; |
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} |
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} |
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/** |
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* Update variable in template local variable stack |
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* |
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* @param \Smarty_Internal_Template $tpl |
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* @param string|null $varName variable name or null for config variables |
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*/ |
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public function _updateVarStack(Smarty_Internal_Template $tpl, $varName) |
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{ |
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$i = 0; |
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while (isset($tpl->_cache[ 'varStack' ][ $i ])) { |
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$this->_updateVariableInOtherScope($tpl->_cache[ 'varStack' ][ $i ][ 'tpl' ], $tpl, $varName); |
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$i++; |
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} |
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} |
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}
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