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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
<?php
/**
* Smarty Internal Plugin CompileBase
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
/**
* This class does extend all internal compile plugins
*
* @package Smarty
* @subpackage Compiler
*/
abstract class Smarty_Internal_CompileBase
{
/**
* Array of names of required attribute required by tag
*
* @var array
*/
public $required_attributes = array();
/**
* Array of names of optional attribute required by tag
* use array('_any') if there is no restriction of attributes names
*
* @var array
*/
public $optional_attributes = array();
/**
* Shorttag attribute order defined by its names
*
* @var array
*/
public $shorttag_order = array();
/**
* Array of names of valid option flags
*
* @var array
*/
public $option_flags = array('nocache');
/**
* Mapping array for boolean option value
*
* @var array
*/
public $optionMap = array(1 => true, 0 => false, 'true' => true, 'false' => false);
/**
* Mapping array with attributes as key
*
* @var array
*/
public $mapCache = array();
/**
* This function checks if the attributes passed are valid
* The attributes passed for the tag to compile are checked against the list of required and
* optional attributes. Required attributes must be present. Optional attributes are check against
* the corresponding list. The keyword '_any' specifies that any attribute will be accepted
* as valid
*
* @param object $compiler compiler object
* @param array $attributes attributes applied to the tag
*
* @return array of mapped attributes for further processing
*/
public function getAttributes($compiler, $attributes)
{
$_indexed_attr = array();
if (!isset($this->mapCache[ 'option' ])) {
$this->mapCache[ 'option' ] = array_fill_keys($this->option_flags, true);
}
foreach ($attributes as $key => $mixed) {
// shorthand ?
if (!is_array($mixed)) {
// option flag ?
if (isset($this->mapCache[ 'option' ][ trim($mixed, '\'"') ])) {
$_indexed_attr[ trim($mixed, '\'"') ] = true;
// shorthand attribute ?
} elseif (isset($this->shorttag_order[ $key ])) {
$_indexed_attr[ $this->shorttag_order[ $key ] ] = $mixed;
} else {
// too many shorthands
$compiler->trigger_template_error('too many shorthand attributes', null, true);
}
// named attribute
} else {
foreach ($mixed as $k => $v) {
// option flag?
if (isset($this->mapCache[ 'option' ][ $k ])) {
if (is_bool($v)) {
$_indexed_attr[ $k ] = $v;
} else {
if (is_string($v)) {
$v = trim($v, '\'" ');
}
if (isset($this->optionMap[ $v ])) {
$_indexed_attr[ $k ] = $this->optionMap[ $v ];
} else {
$compiler->trigger_template_error(
"illegal value '" . var_export($v, true) .
"' for option flag '{$k}'",
null,
true
);
}
}
// must be named attribute
} else {
$_indexed_attr[ $k ] = $v;
}
}
}
}
// check if all required attributes present
foreach ($this->required_attributes as $attr) {
if (!isset($_indexed_attr[ $attr ])) {
$compiler->trigger_template_error("missing '{$attr}' attribute", null, true);
}
}
// check for not allowed attributes
if ($this->optional_attributes !== array('_any')) {
if (!isset($this->mapCache[ 'all' ])) {
$this->mapCache[ 'all' ] =
array_fill_keys(
array_merge(
$this->required_attributes,
$this->optional_attributes,
$this->option_flags
),
true
);
}
foreach ($_indexed_attr as $key => $dummy) {
if (!isset($this->mapCache[ 'all' ][ $key ]) && $key !== 0) {
$compiler->trigger_template_error("unexpected '{$key}' attribute", null, true);
}
}
}
// default 'false' for all option flags not set
foreach ($this->option_flags as $flag) {
if (!isset($_indexed_attr[ $flag ])) {
$_indexed_attr[ $flag ] = false;
}
}
if (isset($_indexed_attr[ 'nocache' ]) && $_indexed_attr[ 'nocache' ]) {
$compiler->tag_nocache = true;
}
return $_indexed_attr;
}
/**
* Push opening tag name on stack
* Optionally additional data can be saved on stack
*
* @param object $compiler compiler object
* @param string $openTag the opening tag's name
* @param mixed $data optional data saved
*/
public function openTag($compiler, $openTag, $data = null)
{
array_push($compiler->_tag_stack, array($openTag, $data));
}
/**
* Pop closing tag
* Raise an error if this stack-top doesn't match with expected opening tags
*
* @param object $compiler compiler object
* @param array|string $expectedTag the expected opening tag names
*
* @return mixed any type the opening tag's name or saved data
*/
public function closeTag($compiler, $expectedTag)
{
if (count($compiler->_tag_stack) > 0) {
// get stacked info
list($_openTag, $_data) = array_pop($compiler->_tag_stack);
// open tag must match with the expected ones
if (in_array($_openTag, (array)$expectedTag)) {
if (is_null($_data)) {
// return opening tag
return $_openTag;
} else {
// return restored data
return $_data;
}
}
// wrong nesting of tags
$compiler->trigger_template_error("unclosed '{$compiler->smarty->left_delimiter}{$_openTag}{$compiler->smarty->right_delimiter}' tag");
return;
}
// wrong nesting of tags
$compiler->trigger_template_error('unexpected closing tag', null, true);
return;
}
}
|
