3 * Smarty Internal Plugin Compile Function
5 * Compiles the {function} {/function} tags
13 * Smarty Internal Plugin Compile Function Class
15 class Smarty_Internal_Compile_Function extends Smarty_Internal_CompileBase {
16 // attribute definitions
17 public $required_attributes = array('name');
18 public $shorttag_order = array('name');
19 public $optional_attributes = array('_any');
22 * Compiles code for the {function} tag
24 * @param array $args array with attributes from parser
25 * @param object $compiler compiler object
26 * @param array $parameter array with compilation parameter
27 * @return boolean true
29 public function compile($args, $compiler, $parameter)
31 $this->compiler = $compiler;
32 // check and get attributes
33 $_attr = $this->_get_attributes($args);
35 if ($_attr['nocache'] === true) {
36 $this->compiler->trigger_template_error('nocache option not allowed', $this->compiler->lex->taglineno);
38 unset($_attr['nocache']);
39 $save = array($_attr, $compiler->parser->current_buffer,
40 $compiler->template->has_nocache_code, $compiler->template->required_plugins);
41 $this->_open_tag('function', $save);
42 $_name = trim($_attr['name'], "'\"");
43 unset($_attr['name']);
44 $compiler->template->properties['function'][$_name]['parameter'] = array();
45 $_smarty_tpl = $compiler->template;
46 foreach ($_attr as $_key => $_data) {
47 eval ('$tmp='.$_data.';');
48 $compiler->template->properties['function'][$_name]['parameter'][$_key] = $tmp;
50 $compiler->smarty->template_functions[$_name]['parameter'] = $compiler->template->properties['function'][$_name]['parameter'];
51 if ($compiler->template->caching) {
54 $output = "<?php if (!function_exists('smarty_template_function_{$_name}')) {
55 function smarty_template_function_{$_name}(\$_smarty_tpl,\$params) {
56 \$saved_tpl_vars = \$_smarty_tpl->tpl_vars;
57 foreach (\$_smarty_tpl->template_functions['{$_name}']['parameter'] as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);};
58 foreach (\$params as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);}?>";
60 // Init temporay context
61 $compiler->template->required_plugins = array('compiled' => array(), 'nocache' => array());
62 $compiler->parser->current_buffer = new _smarty_template_buffer($compiler->parser);
63 $compiler->parser->current_buffer->append_subtree(new _smarty_tag($compiler->parser, $output));
64 $compiler->template->has_nocache_code = false;
65 $compiler->has_code = false;
66 $compiler->template->properties['function'][$_name]['compiled'] = '';
72 * Smarty Internal Plugin Compile Functionclose Class
74 class Smarty_Internal_Compile_Functionclose extends Smarty_Internal_CompileBase {
76 * Compiles code for the {/function} tag
78 * @param array $args array with attributes from parser
79 * @param object $compiler compiler object
80 * @param array $parameter array with compilation parameter
81 * @return boolean true
83 public function compile($args, $compiler, $parameter)
85 $this->compiler = $compiler;
86 $_attr = $this->_get_attributes($args);
87 $saved_data = $this->_close_tag(array('function'));
88 $_name = trim($saved_data[0]['name'], "'\"");
89 // build plugin include code
91 if (!empty($compiler->template->required_plugins['compiled'])) {
92 $plugins_string = '<?php ';
93 foreach($compiler->template->required_plugins['compiled'] as $tmp) {
94 foreach($tmp as $data) {
95 $plugins_string .= "if (!is_callable('{$data['function']}')) include '{$data['file']}';\n";
98 $plugins_string .= '?>';
100 if (!empty($compiler->template->required_plugins['nocache'])) {
101 $plugins_string .= "<?php echo '/*%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/<?php ";
102 foreach($compiler->template->required_plugins['nocache'] as $tmp) {
103 foreach($tmp as $data) {
104 $plugins_string .= "if (!is_callable(\'{$data['function']}\')) include \'{$data['file']}\';\n";
107 $plugins_string .= "?>/*/%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/';?>\n";
109 // remove last line break from function definition
110 $last = count($compiler->parser->current_buffer->subtrees) - 1;
111 if ($compiler->parser->current_buffer->subtrees[$last] instanceof _smarty_linebreak) {
112 unset($compiler->parser->current_buffer->subtrees[$last]);
114 // if caching save template function for possible nocache call
115 if ($compiler->template->caching) {
116 $compiler->template->properties['function'][$_name]['compiled'] .= $plugins_string
117 . $compiler->parser->current_buffer->to_smarty_php();
118 $compiler->template->properties['function'][$_name]['nocache_hash'] = $compiler->template->properties['nocache_hash'];
119 $compiler->template->properties['function'][$_name]['has_nocache_code'] = $compiler->template->has_nocache_code;
120 $compiler->smarty->template_functions[$_name] = $compiler->template->properties['function'][$_name];
121 $compiler->has_code = false;
124 $output = $plugins_string . $compiler->parser->current_buffer->to_smarty_php() . "<?php \$_smarty_tpl->tpl_vars = \$saved_tpl_vars;}}?>\n";
126 // restore old compiler status
127 $compiler->parser->current_buffer = $saved_data[1];
128 $compiler->template->has_nocache_code = $compiler->template->has_nocache_code | $saved_data[2];
129 $compiler->template->required_plugins = $saved_data[3];