a34fd72449
3.1.12 has minor bug fixes and improvements. Smarty also received a security fix regarding the escapement of Smarty error messages. ie. an unrealistic but testable case where you call $smarty->display($_GET['id']); and the GET value is passed directly to the error message. To resolve any probable concern, error messages are now escaped. For details please read the Smarty 3.1.12 Change Log.
88 lines
4.0 KiB
PHP
88 lines
4.0 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin Compile Assign
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*
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* Compiles the {assign} tag
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*
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* @package Smarty
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* @subpackage Compiler
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* @author Uwe Tews
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*/
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/**
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* Smarty Internal Plugin Compile Assign Class
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*
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* @package Smarty
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* @subpackage Compiler
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*/
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class Smarty_Internal_Compile_Assign extends Smarty_Internal_CompileBase {
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/**
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* Compiles code for the {assign} tag
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*
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* @param array $args array with attributes from parser
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* @param object $compiler compiler object
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* @param array $parameter array with compilation parameter
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* @return string compiled code
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*/
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public function compile($args, $compiler, $parameter)
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{
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// the following must be assigned at runtime because it will be overwritten in Smarty_Internal_Compile_Append
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$this->required_attributes = array('var', 'value');
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$this->shorttag_order = array('var', 'value');
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$this->optional_attributes = array('scope');
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$_nocache = 'null';
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$_scope = Smarty::SCOPE_LOCAL;
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// check and get attributes
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$_attr = $this->getAttributes($compiler, $args);
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// nocache ?
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if ($compiler->tag_nocache || $compiler->nocache) {
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$_nocache = 'true';
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// create nocache var to make it know for further compiling
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if (isset($compiler->template->tpl_vars[trim($_attr['var'], "'")])) {
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$compiler->template->tpl_vars[trim($_attr['var'], "'")]->nocache = true;
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} else {
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$compiler->template->tpl_vars[trim($_attr['var'], "'")] = new Smarty_variable(null, true);
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}
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}
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// scope setup
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if (isset($_attr['scope'])) {
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$_attr['scope'] = trim($_attr['scope'], "'\"");
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if ($_attr['scope'] == 'parent') {
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$_scope = Smarty::SCOPE_PARENT;
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} elseif ($_attr['scope'] == 'root') {
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$_scope = Smarty::SCOPE_ROOT;
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} elseif ($_attr['scope'] == 'global') {
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$_scope = Smarty::SCOPE_GLOBAL;
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} else {
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$compiler->trigger_template_error('illegal value for "scope" attribute', $compiler->lex->taglineno);
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}
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}
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// compiled output
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if (isset($parameter['smarty_internal_index'])) {
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$output = "<?php \$_smarty_tpl->createLocalArrayVariable($_attr[var], $_nocache, $_scope);\n\$_smarty_tpl->tpl_vars[$_attr[var]]->value$parameter[smarty_internal_index] = $_attr[value];";
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} else {
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// implement Smarty2's behaviour of variables assigned by reference
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if ($compiler->template->smarty instanceof SmartyBC) {
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$output = "<?php if (isset(\$_smarty_tpl->tpl_vars[$_attr[var]])) {\$_smarty_tpl->tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]];";
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$output .= "\n\$_smarty_tpl->tpl_vars[$_attr[var]]->value = $_attr[value]; \$_smarty_tpl->tpl_vars[$_attr[var]]->nocache = $_nocache; \$_smarty_tpl->tpl_vars[$_attr[var]]->scope = $_scope;";
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$output .= "\n} else \$_smarty_tpl->tpl_vars[$_attr[var]] = new Smarty_variable($_attr[value], $_nocache, $_scope);";
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} else {
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$output = "<?php \$_smarty_tpl->tpl_vars[$_attr[var]] = new Smarty_variable($_attr[value], $_nocache, $_scope);";
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}
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}
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if ($_scope == Smarty::SCOPE_PARENT) {
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$output .= "\nif (\$_smarty_tpl->parent != null) \$_smarty_tpl->parent->tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]];";
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} elseif ($_scope == Smarty::SCOPE_ROOT || $_scope == Smarty::SCOPE_GLOBAL) {
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$output .= "\n\$_ptr = \$_smarty_tpl->parent; while (\$_ptr != null) {\$_ptr->tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]]; \$_ptr = \$_ptr->parent; }";
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}
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if ( $_scope == Smarty::SCOPE_GLOBAL) {
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$output .= "\nSmarty::\$global_tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]];";
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}
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$output .= '?>';
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return $output;
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}
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}
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?>
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