1 : <?php
2 : /**
3 : * Smarty Internal Plugin Compile Assign
4 : *
5 : * Compiles the {assign} tag
6 : *
7 : * @package Smarty
8 : * @subpackage Compiler
9 : * @author Uwe Tews
10 : */
11 :
12 : /**
13 : * Smarty Internal Plugin Compile Assign Class
14 : *
15 : * @package Smarty
16 : * @subpackage Compiler
17 : */
18 : class Smarty_Internal_Compile_Assign extends Smarty_Internal_CompileBase {
19 :
20 : /**
21 : * Compiles code for the {assign} tag
22 : *
23 : * @param array $args array with attributes from parser
24 : * @param object $compiler compiler object
25 : * @param array $parameter array with compilation parameter
26 : * @return string compiled code
27 : */
28 : public function compile($args, $compiler, $parameter)
29 : {
30 : // the following must be assigned at runtime because it will be overwritten in Smarty_Internal_Compile_Append
31 0 : $this->required_attributes = array('var', 'value');
32 0 : $this->shorttag_order = array('var', 'value');
33 0 : $this->optional_attributes = array('scope');
34 0 : $_nocache = 'null';
35 0 : $_scope = Smarty::SCOPE_LOCAL;
36 : // check and get attributes
37 0 : $_attr = $this->getAttributes($compiler, $args);
38 : // nocache ?
39 0 : if ($compiler->tag_nocache || $compiler->nocache) {
40 0 : $_nocache = 'true';
41 : // create nocache var to make it know for further compiling
42 0 : $compiler->template->tpl_vars[trim($_attr['var'], "'")] = new Smarty_variable(null, true);
43 0 : }
44 : // scope setup
45 0 : if (isset($_attr['scope'])) {
46 0 : $_attr['scope'] = trim($_attr['scope'], "'\"");
47 0 : if ($_attr['scope'] == 'parent') {
48 0 : $_scope = Smarty::SCOPE_PARENT;
49 0 : } elseif ($_attr['scope'] == 'root') {
50 0 : $_scope = Smarty::SCOPE_ROOT;
51 0 : } elseif ($_attr['scope'] == 'global') {
52 0 : $_scope = Smarty::SCOPE_GLOBAL;
53 0 : } else {
54 0 : $compiler->trigger_template_error('illegal value for "scope" attribute', $compiler->lex->taglineno);
55 : }
56 0 : }
57 : // compiled output
58 0 : if (isset($parameter['smarty_internal_index'])) {
59 0 : $output = "<?php \$_smarty_tpl->createLocalArrayVariable($_attr[var], $_nocache, $_scope);\n\$_smarty_tpl->tpl_vars[$_attr[var]]->value$parameter[smarty_internal_index] = $_attr[value];";
60 0 : } else {
61 0 : $output = "<?php \$_smarty_tpl->tpl_vars[$_attr[var]] = new Smarty_variable($_attr[value], $_nocache, $_scope);";
62 : }
63 0 : if ($_scope == Smarty::SCOPE_PARENT) {
64 0 : $output .= "\nif (\$_smarty_tpl->parent != null) \$_smarty_tpl->parent->tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]];";
65 0 : } elseif ($_scope == Smarty::SCOPE_ROOT || $_scope == Smarty::SCOPE_GLOBAL) {
66 0 : $output .= "\n\$_ptr = \$_smarty_tpl->parent; while (\$_ptr != null) {\$_ptr->tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]]; \$_ptr = \$_ptr->parent; }";
67 0 : }
68 0 : if ( $_scope == Smarty::SCOPE_GLOBAL) {
69 0 : $output .= "\nSmarty::\$global_tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]];";
70 0 : }
71 0 : $output .= '?>';
72 0 : return $output;
73 : }
74 :
75 : }
76 :
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