1 <?php
2 /**
3 * Smarty Internal Plugin Compile Foreach
4 *
5 * Compiles the {foreach} {foreachelse} {/foreach} tags
6 *
7 * @package Smarty
8 * @subpackage Compiler
9 * @author Uwe Tews
10 */
11 /**
12 * Smarty Internal Plugin Compile Foreach Class
13 */
14 class Smarty_Internal_Compile_Foreach extends Smarty_Internal_CompileBase {
15 /**
16 * Compiles code for the {foreach} tag
17 *
18 * @param array $args array with attributes from parser
19 * @param object $compiler compiler object
20 * @return string compiled code
21 */
22 public function compile($args, $compiler)
23 {
24 $this->compiler = $compiler;
25 $this->required_attributes = array('from', 'item');
26 $this->optional_attributes = array('name', 'key');
27 $tpl = $compiler->template;
28 // check and get attributes
29 $_attr = $this->_get_attributes($args);
31 $this->_open_tag('foreach', array('foreach',$this->compiler->nocache));
32 // maybe nocache because of nocache variables
33 $this->compiler->nocache = $this->compiler->nocache | $this->compiler->tag_nocache;
35 $from = $_attr['from'];
36 $item = $_attr['item'];
38 if (isset($_attr['key'])) {
39 $key = $_attr['key'];
40 } else {
41 $key = null;
42 }
44 if (isset($_attr['name'])) {
45 $name = $_attr['name'];
46 $has_name = true;
47 $SmartyVarName = '$smarty.foreach.' . trim($name,'\'"') . '.';
48 } else {
49 $name = null;
50 $has_name = false;
51 }
52 $ItemVarName = '$' . trim($item,'\'"') . '@';
53 // evaluates which Smarty variables and properties have to be computed
54 if ($has_name) {
55 $usesSmartyFirst = strpos($tpl->template_source, $SmartyVarName . 'first') !== false;
56 $usesSmartyLast = strpos($tpl->template_source, $SmartyVarName . 'last') !== false;
57 $usesSmartyIndex = strpos($tpl->template_source, $SmartyVarName . 'index') !== false;
58 $usesSmartyIteration = strpos($tpl->template_source, $SmartyVarName . 'iteration') !== false;
59 $usesSmartyShow = strpos($tpl->template_source, $SmartyVarName . 'show') !== false;
60 $usesSmartyTotal = $usesSmartyLast || strpos($tpl->template_source, $SmartyVarName . 'total') !== false;
61 } else {
62 $usesSmartyFirst = false;
63 $usesSmartyLast = false;
64 $usesSmartyTotal = false;
65 }
67 $usesPropFirst = $usesSmartyFirst || strpos($tpl->template_source, $ItemVarName . 'first') !== false;
68 $usesPropLast = $usesSmartyLast || strpos($tpl->template_source, $ItemVarName . 'last') !== false;
69 $usesPropIndex = $usesPropFirst || strpos($tpl->template_source, $ItemVarName . 'index') !== false;
70 $usesPropIteration = $usesPropLast || strpos($tpl->template_source, $ItemVarName . 'iteration') !== false;
71 $usesPropShow = strpos($tpl->template_source, $ItemVarName . 'show') !== false;
72 $usesPropTotal = $usesSmartyTotal || $usesPropLast || strpos($tpl->template_source, $ItemVarName . 'total') !== false;
73 // generate output code
74 $output = "<?php ";
75 $output .= " \$_smarty_tpl->tpl_vars[$item] = new Smarty_Variable;\n";
76 if ($key != null) {
77 $output .= " \$_smarty_tpl->tpl_vars[$key] = new Smarty_Variable;\n";
78 }
79 $output .= " \$_from = $from; if (!is_array(\$_from) && !is_object(\$_from)) { settype(\$_from, 'array');}\n";
80 if ($usesPropTotal) {
81 $output .= " \$_smarty_tpl->tpl_vars[$item]->total=count(\$_from);\n";
82 }
83 if ($usesPropIteration) {
84 $output .= " \$_smarty_tpl->tpl_vars[$item]->iteration=0;\n";
85 }
86 if ($usesPropIndex) {
87 $output .= " \$_smarty_tpl->tpl_vars[$item]->index=-1;\n";
88 }
89 if ($has_name) {
90 if ($usesSmartyTotal) {
91 $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['total'] = \$_smarty_tpl->tpl_vars[$item]->total;\n";
92 }
93 if ($usesSmartyIteration) {
94 $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['iteration']=0;\n";
95 }
96 if ($usesSmartyIndex) {
97 $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['index']=-1;\n";
98 }
99 }
100 $output .= "if (count(\$_from) > 0){\n";
101 $output .= " foreach (\$_from as \$_smarty_tpl->tpl_vars[$item]->key => \$_smarty_tpl->tpl_vars[$item]->value){\n";
102 if ($key != null) {
103 $output .= " \$_smarty_tpl->tpl_vars[$key]->value = \$_smarty_tpl->tpl_vars[$item]->key;\n";
104 }
105 if ($usesPropIteration) {
106 $output .= " \$_smarty_tpl->tpl_vars[$item]->iteration++;\n";
107 }
108 if ($usesPropIndex) {
109 $output .= " \$_smarty_tpl->tpl_vars[$item]->index++;\n";
110 }
111 if ($usesPropFirst) {
112 $output .= " \$_smarty_tpl->tpl_vars[$item]->first = \$_smarty_tpl->tpl_vars[$item]->index === 0;\n";
113 }
114 if ($usesPropLast) {
115 $output .= " \$_smarty_tpl->tpl_vars[$item]->last = \$_smarty_tpl->tpl_vars[$item]->iteration === \$_smarty_tpl->tpl_vars[$item]->total;\n";
116 }
117 if ($has_name) {
118 if ($usesSmartyFirst) {
119 $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['first'] = \$_smarty_tpl->tpl_vars[$item]->first;\n";
120 }
121 if ($usesSmartyIteration) {
122 $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['iteration']++;\n";
123 }
124 if ($usesSmartyIndex) {
125 $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['index']++;\n";
126 }
127 if ($usesSmartyLast) {
128 $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['last'] = \$_smarty_tpl->tpl_vars[$item]->last;\n";
129 }
130 }
131 $output .= "?>";
133 return $output;
134 }
135 }
137 /**
138 * Smarty Internal Plugin Compile Foreachelse Class
139 */
140 class Smarty_Internal_Compile_Foreachelse extends Smarty_Internal_CompileBase {
141 /**
142 * Compiles code for the {foreachelse} tag
143 *
144 * @param array $args array with attributes from parser
145 * @param object $compiler compiler object
146 * @return string compiled code
147 */
148 public function compile($args, $compiler)
149 {
150 $this->compiler = $compiler;
151 // check and get attributes
152 $_attr = $this->_get_attributes($args);
154 list($_open_tag, $nocache) = $this->_close_tag(array('foreach'));
155 $this->_open_tag('foreachelse',array('foreachelse', $nocache));
157 return "<?php }} else { ?>";
158 }
159 }
161 /**
162 * Smarty Internal Plugin Compile Foreachclose Class
163 */
164 class Smarty_Internal_Compile_Foreachclose extends Smarty_Internal_CompileBase {
165 /**
166 * Compiles code for the {/foreach} tag
167 *
168 * @param array $args array with attributes from parser
169 * @param object $compiler compiler object
170 * @return string compiled code
171 */
172 public function compile($args, $compiler)
173 {
174 $this->compiler = $compiler;
175 // check and get attributes
176 $_attr = $this->_get_attributes($args);
178 // must endblock be nocache?
179 if ($this->compiler->nocache) {
180 $this->compiler->tag_nocache = true;
181 }
183 list($_open_tag, $this->compiler->nocache) = $this->_close_tag(array('foreach', 'foreachelse'));
185 if ($_open_tag == 'foreachelse')
186 return "<?php } ?>";
187 else
188 return "<?php }} ?>";
189 }
190 }
192 ?>