1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
<?php
/**
* Smarty Internal Plugin Compile Assign
* Compiles the {assign} tag
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
/**
* Smarty Internal Plugin Compile Assign Class
*
* @package Smarty
* @subpackage Compiler
*/
class Smarty_Internal_Compile_Assign extends Smarty_Internal_CompileBase
{
/**
* Valid scope names
*
* @var array
*/
public $valid_scopes = array('local' => true, 'parent' => true, 'root' => true, 'global' => true,
'smarty' => true, 'tpl_root' => true);
/**
* Compiles code for the {assign} tag
*
* @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, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
{
// the following must be assigned at runtime because it will be overwritten in Smarty_Internal_Compile_Append
$this->required_attributes = array('var', 'value');
$this->shorttag_order = array('var', 'value');
$this->optional_attributes = array('scope', 'bubble_up');
$_nocache = 'null';
// check and get attributes
$_attr = $this->getAttributes($compiler, $args);
// nocache ?
if ($compiler->tag_nocache || $compiler->nocache) {
$_nocache = 'true';
// create nocache var to make it know for further compiling
if (isset($compiler->template->tpl_vars[trim($_attr['var'], "'")])) {
$compiler->template->tpl_vars[trim($_attr['var'], "'")]->nocache = true;
} else {
$compiler->template->tpl_vars[trim($_attr['var'], "'")] = new Smarty_Variable(null, true);
}
}
// scope setup
$_scope = Smarty::SCOPE_LOCAL;
if (isset($_attr['scope'])) {
$_attr['scope'] = trim($_attr['scope'], "'\"");
if (!isset($this->valid_scopes[$_attr['scope']])) {
$compiler->trigger_template_error("illegal value '{$_attr['scope']}' for \"scope\" attribute", null, true);
}
if ($_attr['scope'] != 'local') {
if ($_attr['scope'] == 'parent') {
$_scope = Smarty::SCOPE_PARENT;
} elseif ($_attr['scope'] == 'root') {
$_scope = Smarty::SCOPE_ROOT;
} elseif ($_attr['scope'] == 'global') {
$_scope = Smarty::SCOPE_GLOBAL;
} elseif ($_attr['scope'] == 'smarty') {
$_scope = Smarty::SCOPE_SMARTY;
} elseif ($_attr['scope'] == 'tpl_root') {
$_scope = Smarty::SCOPE_TPL_ROOT;
}
$_scope += (isset($_attr['bubble_up']) && $_attr['bubble_up'] == 'false') ? 0 : Smarty::SCOPE_BUBBLE_UP;
}
}
// compiled output
if (isset($parameter['smarty_internal_index'])) {
$output =
"<?php \$_smarty_tpl->smarty->ext->_var->createLocalArrayVariable(\$_smarty_tpl, $_attr[var], $_nocache);\n\$_smarty_tpl->tpl_vars[$_attr[var]]->value$parameter[smarty_internal_index] = $_attr[value];";
} else {
// implement Smarty2's behaviour of variables assigned by reference
if ($compiler->template->smarty instanceof SmartyBC) {
$output =
"<?php if (isset(\$_smarty_tpl->tpl_vars[$_attr[var]])) {\$_smarty_tpl->tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]];";
$output .= "\n\$_smarty_tpl->tpl_vars[$_attr[var]]->value = $_attr[value]; \$_smarty_tpl->tpl_vars[$_attr[var]]->nocache = $_nocache;";
$output .= "\n} else \$_smarty_tpl->tpl_vars[$_attr[var]] = new Smarty_Variable($_attr[value], $_nocache);";
} else {
$output = "<?php \$_smarty_tpl->tpl_vars[$_attr[var]] = new Smarty_Variable($_attr[value], $_nocache);";
}
}
$output .= "\n\$_smarty_tpl->ext->_updateScope->updateScope(\$_smarty_tpl, $_attr[var], $_scope);";
$output .= '?>';
return $output;
}
}
|
