| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Project: Smarty: the PHP compiling template engine |
| 5 | * File: Smarty_Compiler.class.php |
| 6 | * |
| 7 | * This library is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Lesser General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2.1 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This library is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Lesser General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Lesser General Public |
| 18 | * License along with this library; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | * |
| 21 | * @link http://smarty.php.net/ |
| 22 | * @author Monte Ohrt <monte at ohrt dot com> |
| 23 | * @author Andrei Zmievski <andrei@php.net> |
| 24 | * @version 2.6.10 |
| 25 | * @copyright 2001-2005 New Digital Group, Inc. |
| 26 | * @package Smarty |
| 27 | */ |
| 28 | |
| 29 | /* $Id: Smarty_Compiler.class.php,v 1.370 2005/08/04 19:43:21 messju Exp $ */ |
| 30 | |
| 31 | /** |
| 32 | * Template compiling class |
| 33 | * @package Smarty |
| 34 | */ |
| 35 | class Smarty_Compiler extends Smarty { |
| 36 | |
| 37 | // internal vars |
| 38 | /**#@+ |
| 39 | * @access private |
| 40 | */ |
| 41 | var $_folded_blocks = array(); // keeps folded template blocks |
| 42 | var $_current_file = null; // the current template being compiled |
| 43 | var $_current_line_no = 1; // line number for error messages |
| 44 | var $_capture_stack = array(); // keeps track of nested capture buffers |
| 45 | var $_plugin_info = array(); // keeps track of plugins to load |
| 46 | var $_init_smarty_vars = false; |
| 47 | var $_permitted_tokens = array('true','false','yes','no','on','off','null'); |
| 48 | var $_db_qstr_regexp = null; // regexps are setup in the constructor |
| 49 | var $_si_qstr_regexp = null; |
| 50 | var $_qstr_regexp = null; |
| 51 | var $_func_regexp = null; |
| 52 | var $_reg_obj_regexp = null; |
| 53 | var $_var_bracket_regexp = null; |
| 54 | var $_num_const_regexp = null; |
| 55 | var $_dvar_guts_regexp = null; |
| 56 | var $_dvar_regexp = null; |
| 57 | var $_cvar_regexp = null; |
| 58 | var $_svar_regexp = null; |
| 59 | var $_avar_regexp = null; |
| 60 | var $_mod_regexp = null; |
| 61 | var $_var_regexp = null; |
| 62 | var $_parenth_param_regexp = null; |
| 63 | var $_func_call_regexp = null; |
| 64 | var $_obj_ext_regexp = null; |
| 65 | var $_obj_start_regexp = null; |
| 66 | var $_obj_params_regexp = null; |
| 67 | var $_obj_call_regexp = null; |
| 68 | var $_cacheable_state = 0; |
| 69 | var $_cache_attrs_count = 0; |
| 70 | var $_nocache_count = 0; |
| 71 | var $_cache_serial = null; |
| 72 | var $_cache_include = null; |
| 73 | |
| 74 | var $_strip_depth = 0; |
| 75 | var $_additional_newline = "\n"; |
| 76 | |
| 77 | /**#@-*/ |
| 78 | /** |
| 79 | * The class constructor. |
| 80 | */ |
| 81 | function Smarty_Compiler() |
| 82 | { |
| 83 | // matches double quoted strings: |
| 84 | // "foobar" |
| 85 | // "foo\"bar" |
| 86 | $this->_db_qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"'; |
| 87 | |
| 88 | // matches single quoted strings: |
| 89 | // 'foobar' |
| 90 | // 'foo\'bar' |
| 91 | $this->_si_qstr_regexp = '\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\''; |
| 92 | |
| 93 | // matches single or double quoted strings |
| 94 | $this->_qstr_regexp = '(?:' . $this->_db_qstr_regexp . '|' . $this->_si_qstr_regexp . ')'; |
| 95 | |
| 96 | // matches bracket portion of vars |
| 97 | // [0] |
| 98 | // [foo] |
| 99 | // [$bar] |
| 100 | $this->_var_bracket_regexp = '\[\$?[\w\.]+\]'; |
| 101 | |
| 102 | // matches numerical constants |
| 103 | // 30 |
| 104 | // -12 |
| 105 | // 13.22 |
| 106 | $this->_num_const_regexp = '(?:\-?\d+(?:\.\d+)?)'; |
| 107 | |
| 108 | // matches $ vars (not objects): |
| 109 | // $foo |
| 110 | // $foo.bar |
| 111 | // $foo.bar.foobar |
| 112 | // $foo[0] |
| 113 | // $foo[$bar] |
| 114 | // $foo[5][blah] |
| 115 | // $foo[5].bar[$foobar][4] |
| 116 | $this->_dvar_math_regexp = '(?:[\+\*\/\%]|(?:-(?!>)))'; |
| 117 | $this->_dvar_math_var_regexp = '[\$\w\.\+\-\*\/\%\d\>\[\]]'; |
| 118 | $this->_dvar_guts_regexp = '\w+(?:' . $this->_var_bracket_regexp |
| 119 | . ')*(?:\.\$?\w+(?:' . $this->_var_bracket_regexp . ')*)*(?:' . $this->_dvar_math_regexp . '(?:' . $this->_num_const_regexp . '|' . $this->_dvar_math_var_regexp . ')*)?'; |
| 120 | $this->_dvar_regexp = '\$' . $this->_dvar_guts_regexp; |
| 121 | |
| 122 | // matches config vars: |
| 123 | // #foo# |
| 124 | // #foobar123_foo# |
| 125 | $this->_cvar_regexp = '\#\w+\#'; |
| 126 | |
| 127 | // matches section vars: |
| 128 | // %foo.bar% |
| 129 | $this->_svar_regexp = '\%\w+\.\w+\%'; |
| 130 | |
| 131 | // matches all valid variables (no quotes, no modifiers) |
| 132 | $this->_avar_regexp = '(?:' . $this->_dvar_regexp . '|' |
| 133 | . $this->_cvar_regexp . '|' . $this->_svar_regexp . ')'; |
| 134 | |
| 135 | // matches valid variable syntax: |
| 136 | // $foo |
| 137 | // $foo |
| 138 | // #foo# |
| 139 | // #foo# |
| 140 | // "text" |
| 141 | // "text" |
| 142 | $this->_var_regexp = '(?:' . $this->_avar_regexp . '|' . $this->_qstr_regexp . ')'; |
| 143 | |
| 144 | // matches valid object call (one level of object nesting allowed in parameters): |
| 145 | // $foo->bar |
| 146 | // $foo->bar() |
| 147 | // $foo->bar("text") |
| 148 | // $foo->bar($foo, $bar, "text") |
| 149 | // $foo->bar($foo, "foo") |
| 150 | // $foo->bar->foo() |
| 151 | // $foo->bar->foo->bar() |
| 152 | // $foo->bar($foo->bar) |
| 153 | // $foo->bar($foo->bar()) |
| 154 | // $foo->bar($foo->bar($blah,$foo,44,"foo",$foo[0].bar)) |
| 155 | $this->_obj_ext_regexp = '\->(?:\$?' . $this->_dvar_guts_regexp . ')'; |
| 156 | $this->_obj_restricted_param_regexp = '(?:' |
| 157 | . '(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')(?:' . $this->_obj_ext_regexp . '(?:\((?:(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')' |
| 158 | . '(?:\s*,\s*(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . '))*)?\))?)*)'; |
| 159 | $this->_obj_single_param_regexp = '(?:\w+|' . $this->_obj_restricted_param_regexp . '(?:\s*,\s*(?:(?:\w+|' |
| 160 | . $this->_var_regexp . $this->_obj_restricted_param_regexp . ')))*)'; |
| 161 | $this->_obj_params_regexp = '\((?:' . $this->_obj_single_param_regexp |
| 162 | . '(?:\s*,\s*' . $this->_obj_single_param_regexp . ')*)?\)'; |
| 163 | $this->_obj_start_regexp = '(?:' . $this->_dvar_regexp . '(?:' . $this->_obj_ext_regexp . ')+)'; |
| 164 | $this->_obj_call_regexp = '(?:' . $this->_obj_start_regexp . '(?:' . $this->_obj_params_regexp . ')?(?:' . $this->_dvar_math_regexp . '(?:' . $this->_num_const_regexp . '|' . $this->_dvar_math_var_regexp . ')*)?)'; |
| 165 | |
| 166 | // matches valid modifier syntax: |
| 167 | // |foo |
| 168 | // |@foo |
| 169 | // |foo:"bar" |
| 170 | // |foo:$bar |
| 171 | // |foo:"bar":$foobar |
| 172 | // |foo|bar |
| 173 | // |foo:$foo->bar |
| 174 | $this->_mod_regexp = '(?:\|@?\w+(?::(?:\w+|' . $this->_num_const_regexp . '|' |
| 175 | . $this->_obj_call_regexp . '|' . $this->_avar_regexp . '|' . $this->_qstr_regexp .'))*)'; |
| 176 | |
| 177 | // matches valid function name: |
| 178 | // foo123 |
| 179 | // _foo_bar |
| 180 | $this->_func_regexp = '[a-zA-Z_]\w*'; |
| 181 | |
| 182 | // matches valid registered object: |
| 183 | // foo->bar |
| 184 | $this->_reg_obj_regexp = '[a-zA-Z_]\w*->[a-zA-Z_]\w*'; |
| 185 | |
| 186 | // matches valid parameter values: |
| 187 | // true |
| 188 | // $foo |
| 189 | // $foo|bar |
| 190 | // #foo# |
| 191 | // #foo#|bar |
| 192 | // "text" |
| 193 | // "text"|bar |
| 194 | // $foo->bar |
| 195 | $this->_param_regexp = '(?:\s*(?:' . $this->_obj_call_regexp . '|' |
| 196 | . $this->_var_regexp . '|' . $this->_num_const_regexp . '|\w+)(?>' . $this->_mod_regexp . '*)\s*)'; |
| 197 | |
| 198 | // matches valid parenthesised function parameters: |
| 199 | // |
| 200 | // "text" |
| 201 | // $foo, $bar, "text" |
| 202 | // $foo|bar, "foo"|bar, $foo->bar($foo)|bar |
| 203 | $this->_parenth_param_regexp = '(?:\((?:\w+|' |
| 204 | . $this->_param_regexp . '(?:\s*,\s*(?:(?:\w+|' |
| 205 | . $this->_param_regexp . ')))*)?\))'; |
| 206 | |
| 207 | // matches valid function call: |
| 208 | // foo() |
| 209 | // foo_bar($foo) |
| 210 | // _foo_bar($foo,"bar") |
| 211 | // foo123($foo,$foo->bar(),"foo") |
| 212 | $this->_func_call_regexp = '(?:' . $this->_func_regexp . '\s*(?:' |
| 213 | . $this->_parenth_param_regexp . '))'; |
| 214 | } |
| 215 | |
| 216 | /** |
| 217 | * compile a resource |
| 218 | * |
| 219 | * sets $compiled_content to the compiled source |
| 220 | * @param string $resource_name |
| 221 | * @param string $source_content |
| 222 | * @param string $compiled_content |
| 223 | * @return true |
| 224 | */ |
| 225 | function _compile_file($resource_name, $source_content, &$compiled_content) |
| 226 | { |
| 227 | |
| 228 | if ($this->security) { |
| 229 | // do not allow php syntax to be executed unless specified |
| 230 | if ($this->php_handling == SMARTY_PHP_ALLOW && |
| 231 | !$this->security_settings['PHP_HANDLING']) { |
| 232 | $this->php_handling = SMARTY_PHP_PASSTHRU; |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | $this->_load_filters(); |
| 237 | |
| 238 | $this->_current_file = $resource_name; |
| 239 | $this->_current_line_no = 1; |
| 240 | $ldq = preg_quote($this->left_delimiter, '~'); |
| 241 | $rdq = preg_quote($this->right_delimiter, '~'); |
| 242 | |
| 243 | // run template source through prefilter functions |
| 244 | if (count($this->_plugins['prefilter']) > 0) { |
| 245 | foreach ($this->_plugins['prefilter'] as $filter_name => $prefilter) { |
| 246 | if ($prefilter === false) continue; |
| 247 | if ($prefilter[3] || is_callable($prefilter[0])) { |
| 248 | $source_content = call_user_func_array($prefilter[0], |
| 249 | array($source_content, &$this)); |
| 250 | $this->_plugins['prefilter'][$filter_name][3] = true; |
| 251 | } else { |
| 252 | $this->_trigger_fatal_error("[plugin] prefilter '$filter_name' is not implemented"); |
| 253 | } |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | /* fetch all special blocks */ |
| 258 | $search = "~{$ldq}\*(.*?)\*{$rdq}|{$ldq}\s*literal\s*{$rdq}(.*?){$ldq}\s*/literal\s*{$rdq}|{$ldq}\s*php\s*{$rdq}(.*?){$ldq}\s*/php\s*{$rdq}~s"; |
| 259 | |
| 260 | preg_match_all($search, $source_content, $match, PREG_SET_ORDER); |
| 261 | $this->_folded_blocks = $match; |
| 262 | reset($this->_folded_blocks); |
| 263 | |
| 264 | /* replace special blocks by "{php}" */ |
| 265 | $source_content = preg_replace($search.'e', "'" |
| 266 | . $this->_quote_replace($this->left_delimiter) . 'php' |
| 267 | . "' . str_repeat(\"\n\", substr_count('\\0', \"\n\")) .'" |
| 268 | . $this->_quote_replace($this->right_delimiter) |
| 269 | . "'" |
| 270 | , $source_content); |
| 271 | |
| 272 | /* Gather all template tags. */ |
| 273 | preg_match_all("~{$ldq}\s*(.*?)\s*{$rdq}~s", $source_content, $_match); |
| 274 | $template_tags = $_match[1]; |
| 275 | /* Split content by template tags to obtain non-template content. */ |
| 276 | $text_blocks = preg_split("~{$ldq}.*?{$rdq}~s", $source_content); |
| 277 | |
| 278 | /* loop through text blocks */ |
| 279 | for ($curr_tb = 0, $for_max = count($text_blocks); $curr_tb < $for_max; $curr_tb++) { |
| 280 | /* match anything resembling php tags */ |
| 281 | if (preg_match_all('~(<\?(?:\w+|=)?|\?>|language\s*=\s*[\"\']?php[\"\']?)~is', $text_blocks[$curr_tb], $sp_match)) { |
| 282 | /* replace tags with placeholders to prevent recursive replacements */ |
| 283 | $sp_match[1] = array_unique($sp_match[1]); |
| 284 | usort($sp_match[1], '_smarty_sort_length'); |
| 285 | for ($curr_sp = 0, $for_max2 = count($sp_match[1]); $curr_sp < $for_max2; $curr_sp++) { |
| 286 | $text_blocks[$curr_tb] = str_replace($sp_match[1][$curr_sp],'%%%SMARTYSP'.$curr_sp.'%%%',$text_blocks[$curr_tb]); |
| 287 | } |
| 288 | /* process each one */ |
| 289 | for ($curr_sp = 0, $for_max2 = count($sp_match[1]); $curr_sp < $for_max2; $curr_sp++) { |
| 290 | if ($this->php_handling == SMARTY_PHP_PASSTHRU) { |
| 291 | /* echo php contents */ |
| 292 | $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', '<?php echo \''.str_replace("'", "\'", $sp_match[1][$curr_sp]).'\'; ?>'."\n", $text_blocks[$curr_tb]); |
| 293 | } else if ($this->php_handling == SMARTY_PHP_QUOTE) { |
| 294 | /* quote php tags */ |
| 295 | $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', htmlspecialchars($sp_match[1][$curr_sp]), $text_blocks[$curr_tb]); |
| 296 | } else if ($this->php_handling == SMARTY_PHP_REMOVE) { |
| 297 | /* remove php tags */ |
| 298 | $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', '', $text_blocks[$curr_tb]); |
| 299 | } else { |
| 300 | /* SMARTY_PHP_ALLOW, but echo non php starting tags */ |
| 301 | $sp_match[1][$curr_sp] = preg_replace('~(<\?(?!php|=|$))~i', '<?php echo \'\\1\'?>'."\n", $sp_match[1][$curr_sp]); |
| 302 | $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', $sp_match[1][$curr_sp], $text_blocks[$curr_tb]); |
| 303 | } |
| 304 | } |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | /* Compile the template tags into PHP code. */ |
| 309 | $compiled_tags = array(); |
| 310 | for ($i = 0, $for_max = count($template_tags); $i < $for_max; $i++) { |
| 311 | $this->_current_line_no += substr_count($text_blocks[$i], "\n"); |
| 312 | $compiled_tags[] = $this->_compile_tag($template_tags[$i]); |
| 313 | $this->_current_line_no += substr_count($template_tags[$i], "\n"); |
| 314 | } |
| 315 | if (count($this->_tag_stack)>0) { |
| 316 | list($_open_tag, $_line_no) = end($this->_tag_stack); |
| 317 | $this->_syntax_error("unclosed tag \{$_open_tag} (opened line $_line_no).", E_USER_ERROR, __FILE__, __LINE__); |
| 318 | return; |
| 319 | } |
| 320 | |
| 321 | /* Reformat $text_blocks between 'strip' and '/strip' tags, |
| 322 | removing spaces, tabs and newlines. */ |
| 323 | $strip = false; |
| 324 | for ($i = 0, $for_max = count($compiled_tags); $i < $for_max; $i++) { |
| 325 | if ($compiled_tags[$i] == '{strip}') { |
| 326 | $compiled_tags[$i] = ''; |
| 327 | $strip = true; |
| 328 | /* remove leading whitespaces */ |
| 329 | $text_blocks[$i + 1] = ltrim($text_blocks[$i + 1]); |
| 330 | } |
| 331 | if ($strip) { |
| 332 | /* strip all $text_blocks before the next '/strip' */ |
| 333 | for ($j = $i + 1; $j < $for_max; $j++) { |
| 334 | /* remove leading and trailing whitespaces of each line */ |
| 335 | $text_blocks[$j] = preg_replace('![\t ]*[\r\n]+[\t ]*!', '', $text_blocks[$j]); |
| 336 | if ($compiled_tags[$j] == '{/strip}') { |
| 337 | /* remove trailing whitespaces from the last text_block */ |
| 338 | $text_blocks[$j] = rtrim($text_blocks[$j]); |
| 339 | } |
| 340 | $text_blocks[$j] = "<?php echo '" . strtr($text_blocks[$j], array("'"=>"\'", "\\"=>"\\\\")) . "'; ?>"; |
| 341 | if ($compiled_tags[$j] == '{/strip}') { |
| 342 | $compiled_tags[$j] = "\n"; /* slurped by php, but necessary |
| 343 | if a newline is following the closing strip-tag */ |
| 344 | $strip = false; |
| 345 | $i = $j; |
| 346 | break; |
| 347 | } |
| 348 | } |
| 349 | } |
| 350 | } |
| 351 | $compiled_content = ''; |
| 352 | |
| 353 | /* Interleave the compiled contents and text blocks to get the final result. */ |
| 354 | for ($i = 0, $for_max = count($compiled_tags); $i < $for_max; $i++) { |
| 355 | if ($compiled_tags[$i] == '') { |
| 356 | // tag result empty, remove first newline from following text block |
| 357 | $text_blocks[$i+1] = preg_replace('~^(\r\n|\r|\n)~', '', $text_blocks[$i+1]); |
| 358 | } |
| 359 | $compiled_content .= $text_blocks[$i].$compiled_tags[$i]; |
| 360 | } |
| 361 | $compiled_content .= $text_blocks[$i]; |
| 362 | |
| 363 | // remove \n from the end of the file, if any |
| 364 | if (($_len=strlen($compiled_content)) && ($compiled_content{$_len - 1} == "\n" )) { |
| 365 | $compiled_content = substr($compiled_content, 0, -1); |
| 366 | } |
| 367 | |
| 368 | if (!empty($this->_cache_serial)) { |
| 369 | $compiled_content = "<?php \$this->_cache_serials['".$this->_cache_include."'] = '".$this->_cache_serial."'; ?>" . $compiled_content; |
| 370 | } |
| 371 | |
| 372 | // remove unnecessary close/open tags |
| 373 | $compiled_content = preg_replace('~\?>\n?<\?php~', '', $compiled_content); |
| 374 | |
| 375 | // run compiled template through postfilter functions |
| 376 | if (count($this->_plugins['postfilter']) > 0) { |
| 377 | foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) { |
| 378 | if ($postfilter === false) continue; |
| 379 | if ($postfilter[3] || is_callable($postfilter[0])) { |
| 380 | $compiled_content = call_user_func_array($postfilter[0], |
| 381 | array($compiled_content, &$this)); |
| 382 | $this->_plugins['postfilter'][$filter_name][3] = true; |
| 383 | } else { |
| 384 | $this->_trigger_fatal_error("Smarty plugin error: postfilter '$filter_name' is not implemented"); |
| 385 | } |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | // put header at the top of the compiled template |
| 390 | $template_header = "<?php /* Smarty version ".$this->_version.", created on ".strftime("%Y-%m-%d %H:%M:%S")."\n"; |
| 391 | $template_header .= " compiled from ".strtr(urlencode($resource_name), array('%2F'=>'/', '%3A'=>':'))." */ ?>\n"; |
| 392 | |
| 393 | /* Emit code to load needed plugins. */ |
| 394 | $this->_plugins_code = ''; |
| 395 | if (count($this->_plugin_info)) { |
| 396 | $_plugins_params = "array('plugins' => array("; |
| 397 | foreach ($this->_plugin_info as $plugin_type => $plugins) { |
| 398 | foreach ($plugins as $plugin_name => $plugin_info) { |
| 399 | $_plugins_params .= "array('$plugin_type', '$plugin_name', '" . strtr($plugin_info[0], array("'" => "\\'", "\\" => "\\\\")) . "', $plugin_info[1], "; |
| 400 | $_plugins_params .= $plugin_info[2] ? 'true),' : 'false),'; |
| 401 | } |
| 402 | } |
| 403 | $_plugins_params .= '))'; |
| 404 | $plugins_code = "<?php require_once(SMARTY_CORE_DIR . 'core.load_plugins.php');\nsmarty_core_load_plugins($_plugins_params, \$this); ?>\n"; |
| 405 | $template_header .= $plugins_code; |
| 406 | $this->_plugin_info = array(); |
| 407 | $this->_plugins_code = $plugins_code; |
| 408 | } |
| 409 | |
| 410 | if ($this->_init_smarty_vars) { |
| 411 | $template_header .= "<?php require_once(SMARTY_CORE_DIR . 'core.assign_smarty_interface.php');\nsmarty_core_assign_smarty_interface(null, \$this); ?>\n"; |
| 412 | $this->_init_smarty_vars = false; |
| 413 | } |
| 414 | |
| 415 | $compiled_content = $template_header . $compiled_content; |
| 416 | return true; |
| 417 | } |
| 418 | |
| 419 | /** |
| 420 | * Compile a template tag |
| 421 | * |
| 422 | * @param string $template_tag |
| 423 | * @return string |
| 424 | */ |
| 425 | function _compile_tag($template_tag) |
| 426 | { |
| 427 | /* Matched comment. */ |
| 428 | if ($template_tag{0} == '*' && $template_tag{strlen($template_tag) - 1} == '*') |
| 429 | return ''; |
| 430 | |
| 431 | /* Split tag into two three parts: command, command modifiers and the arguments. */ |
| 432 | if(! preg_match('~^(?:(' . $this->_num_const_regexp . '|' . $this->_obj_call_regexp . '|' . $this->_var_regexp |
| 433 | . '|\/?' . $this->_reg_obj_regexp . '|\/?' . $this->_func_regexp . ')(' . $this->_mod_regexp . '*)) |
| 434 | (?:\s+(.*))?$ |
| 435 | ~xs', $template_tag, $match)) { |
| 436 | $this->_syntax_error("unrecognized tag: $template_tag", E_USER_ERROR, __FILE__, __LINE__); |
| 437 | } |
| 438 | |
| 439 | $tag_command = $match[1]; |
| 440 | $tag_modifier = isset($match[2]) ? $match[2] : null; |
| 441 | $tag_args = isset($match[3]) ? $match[3] : null; |
| 442 | |
| 443 | if (preg_match('~^' . $this->_num_const_regexp . '|' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '$~', $tag_command)) { |
| 444 | /* tag name is a variable or object */ |
| 445 | $_return = $this->_parse_var_props($tag_command . $tag_modifier); |
| 446 | return "<?php echo $_return; ?>" . $this->_additional_newline; |
| 447 | } |
| 448 | |
| 449 | /* If the tag name is a registered object, we process it. */ |
| 450 | if (preg_match('~^\/?' . $this->_reg_obj_regexp . '$~', $tag_command)) { |
| 451 | return $this->_compile_registered_object_tag($tag_command, $this->_parse_attrs($tag_args), $tag_modifier); |
| 452 | } |
| 453 | |
| 454 | switch ($tag_command) { |
| 455 | case 'include': |
| 456 | return $this->_compile_include_tag($tag_args); |
| 457 | |
| 458 | case 'include_php': |
| 459 | return $this->_compile_include_php_tag($tag_args); |
| 460 | |
| 461 | case 'if': |
| 462 | $this->_push_tag('if'); |
| 463 | return $this->_compile_if_tag($tag_args); |
| 464 | |
| 465 | case 'else': |
| 466 | list($_open_tag) = end($this->_tag_stack); |
| 467 | if ($_open_tag != 'if' && $_open_tag != 'elseif') |
| 468 | $this->_syntax_error('unexpected {else}', E_USER_ERROR, __FILE__, __LINE__); |
| 469 | else |
| 470 | $this->_push_tag('else'); |
| 471 | return '<?php else: ?>'; |
| 472 | |
| 473 | case 'elseif': |
| 474 | list($_open_tag) = end($this->_tag_stack); |
| 475 | if ($_open_tag != 'if' && $_open_tag != 'elseif') |
| 476 | $this->_syntax_error('unexpected {elseif}', E_USER_ERROR, __FILE__, __LINE__); |
| 477 | if ($_open_tag == 'if') |
| 478 | $this->_push_tag('elseif'); |
| 479 | return $this->_compile_if_tag($tag_args, true); |
| 480 | |
| 481 | case '/if': |
| 482 | $this->_pop_tag('if'); |
| 483 | return '<?php endif; ?>'; |
| 484 | |
| 485 | case 'capture': |
| 486 | return $this->_compile_capture_tag(true, $tag_args); |
| 487 | |
| 488 | case '/capture': |
| 489 | return $this->_compile_capture_tag(false); |
| 490 | |
| 491 | case 'ldelim': |
| 492 | return $this->left_delimiter; |
| 493 | |
| 494 | case 'rdelim': |
| 495 | return $this->right_delimiter; |
| 496 | |
| 497 | case 'section': |
| 498 | $this->_push_tag('section'); |
| 499 | return $this->_compile_section_start($tag_args); |
| 500 | |
| 501 | case 'sectionelse': |
| 502 | $this->_push_tag('sectionelse'); |
| 503 | return "<?php endfor; else: ?>"; |
| 504 | break; |
| 505 | |
| 506 | case '/section': |
| 507 | $_open_tag = $this->_pop_tag('section'); |
| 508 | if ($_open_tag == 'sectionelse') |
| 509 | return "<?php endif; ?>"; |
| 510 | else |
| 511 | return "<?php endfor; endif; ?>"; |
| 512 | |
| 513 | case 'foreach': |
| 514 | $this->_push_tag('foreach'); |
| 515 | return $this->_compile_foreach_start($tag_args); |
| 516 | break; |
| 517 | |
| 518 | case 'foreachelse': |
| 519 | $this->_push_tag('foreachelse'); |
| 520 | return "<?php endforeach; else: ?>"; |
| 521 | |
| 522 | case '/foreach': |
| 523 | $_open_tag = $this->_pop_tag('foreach'); |
| 524 | if ($_open_tag == 'foreachelse') |
| 525 | return "<?php endif; unset(\$_from); ?>"; |
| 526 | else |
| 527 | return "<?php endforeach; endif; unset(\$_from); ?>"; |
| 528 | break; |
| 529 | |
| 530 | case 'strip': |
| 531 | case '/strip': |
| 532 | if ($tag_command{0}=='/') { |
| 533 | $this->_pop_tag('strip'); |
| 534 | if (--$this->_strip_depth==0) { /* outermost closing {/strip} */ |
| 535 | $this->_additional_newline = "\n"; |
| 536 | return '{' . $tag_command . '}'; |
| 537 | } |
| 538 | } else { |
| 539 | $this->_push_tag('strip'); |
| 540 | if ($this->_strip_depth++==0) { /* outermost opening {strip} */ |
| 541 | $this->_additional_newline = ""; |
| 542 | return '{' . $tag_command . '}'; |
| 543 | } |
| 544 | } |
| 545 | return ''; |
| 546 | |
| 547 | case 'php': |
| 548 | /* handle folded tags replaced by {php} */ |
| 549 | list(, $block) = each($this->_folded_blocks); |
| 550 | $this->_current_line_no += substr_count($block[0], "\n"); |
| 551 | /* the number of matched elements in the regexp in _compile_file() |
| 552 | determins the type of folded tag that was found */ |
| 553 | switch (count($block)) { |
| 554 | case 2: /* comment */ |
| 555 | return ''; |
| 556 | |
| 557 | case 3: /* literal */ |
| 558 | return "<?php echo '" . strtr($block[2], array("'"=>"\'", "\\"=>"\\\\")) . "'; ?>" . $this->_additional_newline; |
| 559 | |
| 560 | case 4: /* php */ |
| 561 | if ($this->security && !$this->security_settings['PHP_TAGS']) { |
| 562 | $this->_syntax_error("(secure mode) php tags not permitted", E_USER_WARNING, __FILE__, __LINE__); |
| 563 | return; |
| 564 | } |
| 565 | return '<?php ' . $block[3] .' ?>'; |
| 566 | } |
| 567 | break; |
| 568 | |
| 569 | case 'insert': |
| 570 | return $this->_compile_insert_tag($tag_args); |
| 571 | |
| 572 | default: |
| 573 | if ($this->_compile_compiler_tag($tag_command, $tag_args, $output)) { |
| 574 | return $output; |
| 575 | } else if ($this->_compile_block_tag($tag_command, $tag_args, $tag_modifier, $output)) { |
| 576 | return $output; |
| 577 | } else if ($this->_compile_custom_tag($tag_command, $tag_args, $tag_modifier, $output)) { |
| 578 | return $output; |
| 579 | } else { |
| 580 | $this->_syntax_error("unrecognized tag '$tag_command'", E_USER_ERROR, __FILE__, __LINE__); |
| 581 | } |
| 582 | |
| 583 | } |
| 584 | } |
| 585 | |
| 586 | |
| 587 | /** |
| 588 | * compile the custom compiler tag |
| 589 | * |
| 590 | * sets $output to the compiled custom compiler tag |
| 591 | * @param string $tag_command |
| 592 | * @param string $tag_args |
| 593 | * @param string $output |
| 594 | * @return boolean |
| 595 | */ |
| 596 | function _compile_compiler_tag($tag_command, $tag_args, &$output) |
| 597 | { |
| 598 | $found = false; |
| 599 | $have_function = true; |
| 600 | |
| 601 | /* |
| 602 | * First we check if the compiler function has already been registered |
| 603 | * or loaded from a plugin file. |
| 604 | */ |
| 605 | if (isset($this->_plugins['compiler'][$tag_command])) { |
| 606 | $found = true; |
| 607 | $plugin_func = $this->_plugins['compiler'][$tag_command][0]; |
| 608 | if (!is_callable($plugin_func)) { |
| 609 | $message = "compiler function '$tag_command' is not implemented"; |
| 610 | $have_function = false; |
| 611 | } |
| 612 | } |
| 613 | /* |
| 614 | * Otherwise we need to load plugin file and look for the function |
| 615 | * inside it. |
| 616 | */ |
| 617 | else if ($plugin_file = $this->_get_plugin_filepath('compiler', $tag_command)) { |
| 618 | $found = true; |
| 619 | |
| 620 | include_once $plugin_file; |
| 621 | |
| 622 | $plugin_func = 'smarty_compiler_' . $tag_command; |
| 623 | if (!is_callable($plugin_func)) { |
| 624 | $message = "plugin function $plugin_func() not found in $plugin_file\n"; |
| 625 | $have_function = false; |
| 626 | } else { |
| 627 | $this->_plugins['compiler'][$tag_command] = array($plugin_func, null, null, null, true); |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | /* |
| 632 | * True return value means that we either found a plugin or a |
| 633 | * dynamically registered function. False means that we didn't and the |
| 634 | * compiler should now emit code to load custom function plugin for this |
| 635 | * tag. |
| 636 | */ |
| 637 | if ($found) { |
| 638 | if ($have_function) { |
| 639 | $output = call_user_func_array($plugin_func, array($tag_args, &$this)); |
| 640 | if($output != '') { |
| 641 | $output = '<?php ' . $this->_push_cacheable_state('compiler', $tag_command) |
| 642 | . $output |
| 643 | . $this->_pop_cacheable_state('compiler', $tag_command) . ' ?>'; |
| 644 | } |
| 645 | } else { |
| 646 | $this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__); |
| 647 | } |
| 648 | return true; |
| 649 | } else { |
| 650 | return false; |
| 651 | } |
| 652 | } |
| 653 | |
| 654 | |
| 655 | /** |
| 656 | * compile block function tag |
| 657 | * |
| 658 | * sets $output to compiled block function tag |
| 659 | * @param string $tag_command |
| 660 | * @param string $tag_args |
| 661 | * @param string $tag_modifier |
| 662 | * @param string $output |
| 663 | * @return boolean |
| 664 | */ |
| 665 | function _compile_block_tag($tag_command, $tag_args, $tag_modifier, &$output) |
| 666 | { |
| 667 | if ($tag_command{0} == '/') { |
| 668 | $start_tag = false; |
| 669 | $tag_command = substr($tag_command, 1); |
| 670 | } else |
| 671 | $start_tag = true; |
| 672 | |
| 673 | $found = false; |
| 674 | $have_function = true; |
| 675 | |
| 676 | /* |
| 677 | * First we check if the block function has already been registered |
| 678 | * or loaded from a plugin file. |
| 679 | */ |
| 680 | if (isset($this->_plugins['block'][$tag_command])) { |
| 681 | $found = true; |
| 682 | $plugin_func = $this->_plugins['block'][$tag_command][0]; |
| 683 | if (!is_callable($plugin_func)) { |
| 684 | $message = "block function '$tag_command' is not implemented"; |
| 685 | $have_function = false; |
| 686 | } |
| 687 | } |
| 688 | /* |
| 689 | * Otherwise we need to load plugin file and look for the function |
| 690 | * inside it. |
| 691 | */ |
| 692 | else if ($plugin_file = $this->_get_plugin_filepath('block', $tag_command)) { |
| 693 | $found = true; |
| 694 | |
| 695 | include_once $plugin_file; |
| 696 | |
| 697 | $plugin_func = 'smarty_block_' . $tag_command; |
| 698 | if (!function_exists($plugin_func)) { |
| 699 | $message = "plugin function $plugin_func() not found in $plugin_file\n"; |
| 700 | $have_function = false; |
| 701 | } else { |
| 702 | $this->_plugins['block'][$tag_command] = array($plugin_func, null, null, null, true); |
| 703 | |
| 704 | } |
| 705 | } |
| 706 | |
| 707 | if (!$found) { |
| 708 | return false; |
| 709 | } else if (!$have_function) { |
| 710 | $this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__); |
| 711 | return true; |
| 712 | } |
| 713 | |
| 714 | /* |
| 715 | * Even though we've located the plugin function, compilation |
| 716 | * happens only once, so the plugin will still need to be loaded |
| 717 | * at runtime for future requests. |
| 718 | */ |
| 719 | $this->_add_plugin('block', $tag_command); |
| 720 | |
| 721 | if ($start_tag) |
| 722 | $this->_push_tag($tag_command); |
| 723 | else |
| 724 | $this->_pop_tag($tag_command); |
| 725 | |
| 726 | if ($start_tag) { |
| 727 | $output = '<?php ' . $this->_push_cacheable_state('block', $tag_command); |
| 728 | $attrs = $this->_parse_attrs($tag_args); |
| 729 | $arg_list = $this->_compile_arg_list('block', $tag_command, $attrs, $_cache_attrs=''); |
| 730 | $output .= "$_cache_attrs\$this->_tag_stack[] = array('$tag_command', array(".implode(',', $arg_list).')); '; |
| 731 | $output .= $this->_compile_plugin_call('block', $tag_command).'($this->_tag_stack[count($this->_tag_stack)-1][1], null, $this, $_block_repeat=true);'; |
| 732 | $output .= 'while ($_block_repeat) { ob_start(); ?>'; |
| 733 | } else { |
| 734 | $output = '<?php $_block_content = ob_get_contents(); ob_end_clean(); '; |
| 735 | $_out_tag_text = $this->_compile_plugin_call('block', $tag_command).'($this->_tag_stack[count($this->_tag_stack)-1][1], $_block_content, $this, $_block_repeat=false)'; |
| 736 | if ($tag_modifier != '') { |
| 737 | $this->_parse_modifiers($_out_tag_text, $tag_modifier); |
| 738 | } |
| 739 | $output .= 'echo '.$_out_tag_text.'; } '; |
| 740 | $output .= " array_pop(\$this->_tag_stack); " . $this->_pop_cacheable_state('block', $tag_command) . '?>'; |
| 741 | } |
| 742 | |
| 743 | return true; |
| 744 | } |
| 745 | |
| 746 | |
| 747 | /** |
| 748 | * compile custom function tag |
| 749 | * |
| 750 | * @param string $tag_command |
| 751 | * @param string $tag_args |
| 752 | * @param string $tag_modifier |
| 753 | * @return string |
| 754 | */ |
| 755 | function _compile_custom_tag($tag_command, $tag_args, $tag_modifier, &$output) |
| 756 | { |
| 757 | $found = false; |
| 758 | $have_function = true; |
| 759 | |
| 760 | /* |
| 761 | * First we check if the custom function has already been registered |
| 762 | * or loaded from a plugin file. |
| 763 | */ |
| 764 | if (isset($this->_plugins['function'][$tag_command])) { |
| 765 | $found = true; |
| 766 | $plugin_func = $this->_plugins['function'][$tag_command][0]; |
| 767 | if (!is_callable($plugin_func)) { |
| 768 | $message = "custom function '$tag_command' is not implemented"; |
| 769 | $have_function = false; |
| 770 | } |
| 771 | } |
| 772 | /* |
| 773 | * Otherwise we need to load plugin file and look for the function |
| 774 | * inside it. |
| 775 | */ |
| 776 | else if ($plugin_file = $this->_get_plugin_filepath('function', $tag_command)) { |
| 777 | $found = true; |
| 778 | |
| 779 | include_once $plugin_file; |
| 780 | |
| 781 | $plugin_func = 'smarty_function_' . $tag_command; |
| 782 | if (!function_exists($plugin_func)) { |
| 783 | $message = "plugin function $plugin_func() not found in $plugin_file\n"; |
| 784 | $have_function = false; |
| 785 | } else { |
| 786 | $this->_plugins['function'][$tag_command] = array($plugin_func, null, null, null, true); |
| 787 | |
| 788 | } |
| 789 | } |
| 790 | |
| 791 | if (!$found) { |
| 792 | return false; |
| 793 | } else if (!$have_function) { |
| 794 | $this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__); |
| 795 | return true; |
| 796 | } |
| 797 | |
| 798 | /* declare plugin to be loaded on display of the template that |
| 799 | we compile right now */ |
| 800 | $this->_add_plugin('function', $tag_command); |
| 801 | |
| 802 | $_cacheable_state = $this->_push_cacheable_state('function', $tag_command); |
| 803 | $attrs = $this->_parse_attrs($tag_args); |
| 804 | $arg_list = $this->_compile_arg_list('function', $tag_command, $attrs, $_cache_attrs=''); |
| 805 | |
| 806 | $output = $this->_compile_plugin_call('function', $tag_command).'(array('.implode(',', $arg_list)."), \$this)"; |
| 807 | if($tag_modifier != '') { |
| 808 | $this->_parse_modifiers($output, $tag_modifier); |
| 809 | } |
| 810 | |
| 811 | if($output != '') { |
| 812 | $output = '<?php ' . $_cacheable_state . $_cache_attrs . 'echo ' . $output . ';' |
| 813 | . $this->_pop_cacheable_state('function', $tag_command) . "?>" . $this->_additional_newline; |
| 814 | } |
| 815 | |
| 816 | return true; |
| 817 | } |
| 818 | |
| 819 | /** |
| 820 | * compile a registered object tag |
| 821 | * |
| 822 | * @param string $tag_command |
| 823 | * @param array $attrs |
| 824 | * @param string $tag_modifier |
| 825 | * @return string |
| 826 | */ |
| 827 | function _compile_registered_object_tag($tag_command, $attrs, $tag_modifier) |
| 828 | { |
| 829 | if ($tag_command{0} == '/') { |
| 830 | $start_tag = false; |
| 831 | $tag_command = substr($tag_command, 1); |
| 832 | } else { |
| 833 | $start_tag = true; |
| 834 | } |
| 835 | |
| 836 | list($object, $obj_comp) = explode('->', $tag_command); |
| 837 | |
| 838 | $arg_list = array(); |
| 839 | if(count($attrs)) { |
| 840 | $_assign_var = false; |
| 841 | foreach ($attrs as $arg_name => $arg_value) { |
| 842 | if($arg_name == 'assign') { |
| 843 | $_assign_var = $arg_value; |
| 844 | unset($attrs['assign']); |
| 845 | continue; |
| 846 | } |
| 847 | if (is_bool($arg_value)) |
| 848 | $arg_value = $arg_value ? 'true' : 'false'; |
| 849 | $arg_list[] = "'$arg_name' => $arg_value"; |
| 850 | } |
| 851 | } |
| 852 | |
| 853 | if($this->_reg_objects[$object][2]) { |
| 854 | // smarty object argument format |
| 855 | $args = "array(".implode(',', (array)$arg_list)."), \$this"; |
| 856 | } else { |
| 857 | // traditional argument format |
| 858 | $args = implode(',', array_values($attrs)); |
| 859 | if (empty($args)) { |
| 860 | $args = 'null'; |
| 861 | } |
| 862 | } |
| 863 | |
| 864 | $prefix = ''; |
| 865 | $postfix = ''; |
| 866 | $newline = ''; |
| 867 | if(!is_object($this->_reg_objects[$object][0])) { |
| 868 | $this->_trigger_fatal_error("registered '$object' is not an object" , $this->_current_file, $this->_current_line_no, __FILE__, __LINE__); |
| 869 | } elseif(!empty($this->_reg_objects[$object][1]) && !in_array($obj_comp, $this->_reg_objects[$object][1])) { |
| 870 | $this->_trigger_fatal_error("'$obj_comp' is not a registered component of object '$object'", $this->_current_file, $this->_current_line_no, __FILE__, __LINE__); |
| 871 | } elseif(method_exists($this->_reg_objects[$object][0], $obj_comp)) { |
| 872 | // method |
| 873 | if(in_array($obj_comp, $this->_reg_objects[$object][3])) { |
| 874 | // block method |
| 875 | if ($start_tag) { |
| 876 | $prefix = "\$this->_tag_stack[] = array('$obj_comp', $args); "; |
| 877 | $prefix .= "\$this->_reg_objects['$object'][0]->$obj_comp(\$this->_tag_stack[count(\$this->_tag_stack)-1][1], null, \$this, \$_block_repeat=true); "; |
| 878 | $prefix .= "while (\$_block_repeat) { ob_start();"; |
| 879 | $return = null; |
| 880 | $postfix = ''; |
| 881 | } else { |
| 882 | $prefix = "\$_obj_block_content = ob_get_contents(); ob_end_clean(); "; |
| 883 | $return = "\$this->_reg_objects['$object'][0]->$obj_comp(\$this->_tag_stack[count(\$this->_tag_stack)-1][1], \$_obj_block_content, \$this, \$_block_repeat=false)"; |
| 884 | $postfix = "} array_pop(\$this->_tag_stack);"; |
| 885 | } |
| 886 | } else { |
| 887 | // non-block method |
| 888 | $return = "\$this->_reg_objects['$object'][0]->$obj_comp($args)"; |
| 889 | } |
| 890 | } else { |
| 891 | // property |
| 892 | $return = "\$this->_reg_objects['$object'][0]->$obj_comp"; |
| 893 | } |
| 894 | |
| 895 | if($return != null) { |
| 896 | if($tag_modifier != '') { |
| 897 | $this->_parse_modifiers($return, $tag_modifier); |
| 898 | } |
| 899 | |
| 900 | if(!empty($_assign_var)) { |
| 901 | $output = "\$this->assign('" . $this->_dequote($_assign_var) ."', $return);"; |
| 902 | } else { |
| 903 | $output = 'echo ' . $return . ';'; |
| 904 | $newline = $this->_additional_newline; |
| 905 | } |
| 906 | } else { |
| 907 | $output = ''; |
| 908 | } |
| 909 | |
| 910 | return '<?php ' . $prefix . $output . $postfix . "?>" . $newline; |
| 911 | } |
| 912 | |
| 913 | /** |
| 914 | * Compile {insert ...} tag |
| 915 | * |
| 916 | * @param string $tag_args |
| 917 | * @return string |
| 918 | */ |
| 919 | function _compile_insert_tag($tag_args) |
| 920 | { |
| 921 | $attrs = $this->_parse_attrs($tag_args); |
| 922 | $name = $this->_dequote($attrs['name']); |
| 923 | |
| 924 | if (empty($name)) { |
| 925 | $this->_syntax_error("missing insert name", E_USER_ERROR, __FILE__, __LINE__); |
| 926 | } |
| 927 | |
| 928 | if (!empty($attrs['script'])) { |
| 929 | $delayed_loading = true; |
| 930 | } else { |
| 931 | $delayed_loading = false; |
| 932 | } |
| 933 | |
| 934 | foreach ($attrs as $arg_name => $arg_value) { |
| 935 | if (is_bool($arg_value)) |
| 936 | $arg_value = $arg_value ? 'true' : 'false'; |
| 937 | $arg_list[] = "'$arg_name' => $arg_value"; |
| 938 | } |
| 939 | |
| 940 | $this->_add_plugin('insert', $name, $delayed_loading); |
| 941 | |
| 942 | $_params = "array('args' => array(".implode(', ', (array)$arg_list)."))"; |
| 943 | |
| 944 | return "<?php require_once(SMARTY_CORE_DIR . 'core.run_insert_handler.php');\necho smarty_core_run_insert_handler($_params, \$this); ?>" . $this->_additional_newline; |
| 945 | } |
| 946 | |
| 947 | /** |
| 948 | * Compile {include ...} tag |
| 949 | * |
| 950 | * @param string $tag_args |
| 951 | * @return string |
| 952 | */ |
| 953 | function _compile_include_tag($tag_args) |
| 954 | { |
| 955 | $attrs = $this->_parse_attrs($tag_args); |
| 956 | $arg_list = array(); |
| 957 | |
| 958 | if (empty($attrs['file'])) { |
| 959 | $this->_syntax_error("missing 'file' attribute in include tag", E_USER_ERROR, __FILE__, __LINE__); |
| 960 | } |
| 961 | |
| 962 | foreach ($attrs as $arg_name => $arg_value) { |
| 963 | if ($arg_name == 'file') { |
| 964 | $include_file = $arg_value; |
| 965 | continue; |
| 966 | } else if ($arg_name == 'assign') { |
| 967 | $assign_var = $arg_value; |
| 968 | continue; |
| 969 | } |
| 970 | if (is_bool($arg_value)) |
| 971 | $arg_value = $arg_value ? 'true' : 'false'; |
| 972 | $arg_list[] = "'$arg_name' => $arg_value"; |
| 973 | } |
| 974 | |
| 975 | $output = '<?php '; |
| 976 | |
| 977 | if (isset($assign_var)) { |
| 978 | $output .= "ob_start();\n"; |
| 979 | } |
| 980 | |
| 981 | $output .= |
| 982 | "\$_smarty_tpl_vars = \$this->_tpl_vars;\n"; |
| 983 | |
| 984 | |
| 985 | $_params = "array('smarty_include_tpl_file' => " . $include_file . ", 'smarty_include_vars' => array(".implode(',', (array)$arg_list)."))"; |
| 986 | $output .= "\$this->_smarty_include($_params);\n" . |
| 987 | "\$this->_tpl_vars = \$_smarty_tpl_vars;\n" . |
| 988 | "unset(\$_smarty_tpl_vars);\n"; |
| 989 | |
| 990 | if (isset($assign_var)) { |
| 991 | $output .= "\$this->assign(" . $assign_var . ", ob_get_contents()); ob_end_clean();\n"; |
| 992 | } |
| 993 | |
| 994 | $output .= ' ?>'; |
| 995 | |
| 996 | return $output; |
| 997 | |
| 998 | } |
| 999 | |
| 1000 | /** |
| 1001 | * Compile {include ...} tag |
| 1002 | * |
| 1003 | * @param string $tag_args |
| 1004 | * @return string |
| 1005 | */ |
| 1006 | function _compile_include_php_tag($tag_args) |
| 1007 | { |
| 1008 | $attrs = $this->_parse_attrs($tag_args); |
| 1009 | |
| 1010 | if (empty($attrs['file'])) { |
| 1011 | $this->_syntax_error("missing 'file' attribute in include_php tag", E_USER_ERROR, __FILE__, __LINE__); |
| 1012 | } |
| 1013 | |
| 1014 | $assign_var = (empty($attrs['assign'])) ? '' : $this->_dequote($attrs['assign']); |
| 1015 | $once_var = (empty($attrs['once']) || $attrs['once']=='false') ? 'false' : 'true'; |
| 1016 | |
| 1017 | $arg_list = array(); |
| 1018 | foreach($attrs as $arg_name => $arg_value) { |
| 1019 | if($arg_name != 'file' AND $arg_name != 'once' AND $arg_name != 'assign') { |
| 1020 | if(is_bool($arg_value)) |
| 1021 | $arg_value = $arg_value ? 'true' : 'false'; |
| 1022 | $arg_list[] = "'$arg_name' => $arg_value"; |
| 1023 | } |
| 1024 | } |
| 1025 | |
| 1026 | $_params = "array('smarty_file' => " . $attrs['file'] . ", 'smarty_assign' => '$assign_var', 'smarty_once' => $once_var, 'smarty_include_vars' => array(".implode(',', $arg_list)."))"; |
| 1027 | |
| 1028 | return "<?php require_once(SMARTY_CORE_DIR . 'core.smarty_include_php.php');\nsmarty_core_smarty_include_php($_params, \$this); ?>" . $this->_additional_newline; |
| 1029 | } |
| 1030 | |
| 1031 | |
| 1032 | /** |
| 1033 | * Compile {section ...} tag |
| 1034 | * |
| 1035 | * @param string $tag_args |
| 1036 | * @return string |
| 1037 | */ |
| 1038 | function _compile_section_start($tag_args) |
| 1039 | { |
| 1040 | $attrs = $this->_parse_attrs($tag_args); |
| 1041 | $arg_list = array(); |
| 1042 | |
| 1043 | $output = '<?php '; |
| 1044 | $section_name = $attrs['name']; |
| 1045 | if (empty($section_name)) { |
| 1046 | $this->_syntax_error("missing section name", E_USER_ERROR, __FILE__, __LINE__); |
| 1047 | } |
| 1048 | |
| 1049 | $output .= "unset(\$this->_sections[$section_name]);\n"; |
| 1050 | $section_props = "\$this->_sections[$section_name]"; |
| 1051 | |
| 1052 | foreach ($attrs as $attr_name => $attr_value) { |
| 1053 | switch ($attr_name) { |
| 1054 | case 'loop': |
| 1055 | $output .= "{$section_props}['loop'] = is_array(\$_loop=$attr_value) ? count(\$_loop) : max(0, (int)\$_loop); unset(\$_loop);\n"; |
| 1056 | break; |
| 1057 | |
| 1058 | case 'show': |
| 1059 | if (is_bool($attr_value)) |
| 1060 | $show_attr_value = $attr_value ? 'true' : 'false'; |
| 1061 | else |
| 1062 | $show_attr_value = "(bool)$attr_value"; |
| 1063 | $output .= "{$section_props}['show'] = $show_attr_value;\n"; |
| 1064 | break; |
| 1065 | |
| 1066 | case 'name': |
| 1067 | $output .= "{$section_props}['$attr_name'] = $attr_value;\n"; |
| 1068 | break; |
| 1069 | |
| 1070 | case 'max': |
| 1071 | case 'start': |
| 1072 | $output .= "{$section_props}['$attr_name'] = (int)$attr_value;\n"; |
| 1073 | break; |
| 1074 | |
| 1075 | case 'step': |
| 1076 | $output .= "{$section_props}['$attr_name'] = ((int)$attr_value) == 0 ? 1 : (int)$attr_value;\n"; |
| 1077 | break; |
| 1078 | |
| 1079 | default: |
| 1080 | $this->_syntax_error("unknown section attribute - '$attr_name'", E_USER_ERROR, __FILE__, __LINE__); |
| 1081 | break; |
| 1082 | } |
| 1083 | } |
| 1084 | |
| 1085 | if (!isset($attrs['show'])) |
| 1086 | $output .= "{$section_props}['show'] = true;\n"; |
| 1087 | |
| 1088 | if (!isset($attrs['loop'])) |
| 1089 | $output .= "{$section_props}['loop'] = 1;\n"; |
| 1090 | |
| 1091 | if (!isset($attrs['max'])) |
| 1092 | $output .= "{$section_props}['max'] = {$section_props}['loop'];\n"; |
| 1093 | else |
| 1094 | $output .= "if ({$section_props}['max'] < 0)\n" . |
| 1095 | " {$section_props}['max'] = {$section_props}['loop'];\n"; |
| 1096 | |
| 1097 | if (!isset($attrs['step'])) |
| 1098 | $output .= "{$section_props}['step'] = 1;\n"; |
| 1099 | |
| 1100 | if (!isset($attrs['start'])) |
| 1101 | $output .= "{$section_props}['start'] = {$section_props}['step'] > 0 ? 0 : {$section_props}['loop']-1;\n"; |
| 1102 | else { |
| 1103 | $output .= "if ({$section_props}['start'] < 0)\n" . |
| 1104 | " {$section_props}['start'] = max({$section_props}['step'] > 0 ? 0 : -1, {$section_props}['loop'] + {$section_props}['start']);\n" . |
| 1105 | "else\n" . |
| 1106 | " {$section_props}['start'] = min({$section_props}['start'], {$section_props}['step'] > 0 ? {$section_props}['loop'] : {$section_props}['loop']-1);\n"; |
| 1107 | } |
| 1108 | |
| 1109 | $output .= "if ({$section_props}['show']) {\n"; |
| 1110 | if (!isset($attrs['start']) && !isset($attrs['step']) && !isset($attrs['max'])) { |
| 1111 | $output .= " {$section_props}['total'] = {$section_props}['loop'];\n"; |
| 1112 | } else { |
| 1113 | $output .= " {$section_props}['total'] = min(ceil(({$section_props}['step'] > 0 ? {$section_props}['loop'] - {$section_props}['start'] : {$section_props}['start']+1)/abs({$section_props}['step'])), {$section_props}['max']);\n"; |
| 1114 | } |
| 1115 | $output .= " if ({$section_props}['total'] == 0)\n" . |
| 1116 | " {$section_props}['show'] = false;\n" . |
| 1117 | "} else\n" . |
| 1118 | " {$section_props}['total'] = 0;\n"; |
| 1119 | |
| 1120 | $output .= "if ({$section_props}['show']):\n"; |
| 1121 | $output .= " |
| 1122 | for ({$section_props}['index'] = {$section_props}['start'], {$section_props}['iteration'] = 1; |
| 1123 | {$section_props}['iteration'] <= {$section_props}['total']; |
| 1124 | {$section_props}['index'] += {$section_props}['step'], {$section_props}['iteration']++):\n"; |
| 1125 | $output .= "{$section_props}['rownum'] = {$section_props}['iteration'];\n"; |
| 1126 | $output .= "{$section_props}['index_prev'] = {$section_props}['index'] - {$section_props}['step'];\n"; |
| 1127 | $output .= "{$section_props}['index_next'] = {$section_props}['index'] + {$section_props}['step'];\n"; |
| 1128 | $output .= "{$section_props}['first'] = ({$section_props}['iteration'] == 1);\n"; |
| 1129 | $output .= "{$section_props}['last'] = ({$section_props}['iteration'] == {$section_props}['total']);\n"; |
| 1130 | |
| 1131 | $output .= "?>"; |
| 1132 | |
| 1133 | return $output; |
| 1134 | } |
| 1135 | |
| 1136 | |
| 1137 | /** |
| 1138 | * Compile {foreach ...} tag. |
| 1139 | * |
| 1140 | * @param string $tag_args |
| 1141 | * @return string |
| 1142 | */ |
| 1143 | function _compile_foreach_start($tag_args) |
| 1144 | { |
| 1145 | $attrs = $this->_parse_attrs($tag_args); |
| 1146 | $arg_list = array(); |
| 1147 | |
| 1148 | if (empty($attrs['from'])) { |
| 1149 | return $this->_syntax_error("foreach: missing 'from' attribute", E_USER_ERROR, __FILE__, __LINE__); |
| 1150 | } |
| 1151 | $from = $attrs['from']; |
| 1152 | |
| 1153 | if (empty($attrs['item'])) { |
| 1154 | return $this->_syntax_error("foreach: missing 'item' attribute", E_USER_ERROR, __FILE__, __LINE__); |
| 1155 | } |
| 1156 | $item = $this->_dequote($attrs['item']); |
| 1157 | if (!preg_match('~^\w+$~', $item)) { |
| 1158 | return $this->_syntax_error("'foreach: item' must be a variable name (literal string)", E_USER_ERROR, __FILE__, __LINE__); |
| 1159 | } |
| 1160 | |
| 1161 | if (isset($attrs['key'])) { |
| 1162 | $key = $this->_dequote($attrs['key']); |
| 1163 | if (!preg_match('~^\w+$~', $key)) { |
| 1164 | return $this->_syntax_error("foreach: 'key' must to be a variable name (literal string)", E_USER_ERROR, __FILE__, __LINE__); |
| 1165 | } |
| 1166 | $key_part = "\$this->_tpl_vars['$key'] => "; |
| 1167 | } else { |
| 1168 | $key = null; |
| 1169 | $key_part = ''; |
| 1170 | } |
| 1171 | |
| 1172 | if (isset($attrs['name'])) { |
| 1173 | $name = $attrs['name']; |
| 1174 | } else { |
| 1175 | $name = null; |
| 1176 | } |
| 1177 | |
| 1178 | $output = '<?php '; |
| 1179 | $output .= "\$_from = $from; if (!is_array(\$_from) && !is_object(\$_from)) { settype(\$_from, 'array'); }"; |
| 1180 | if (isset($name)) { |
| 1181 | $foreach_props = "\$this->_foreach[$name]"; |
| 1182 | $output .= "{$foreach_props} = array('total' => count(\$_from), 'iteration' => 0);\n"; |
| 1183 | $output .= "if ({$foreach_props}['total'] > 0):\n"; |
| 1184 | $output .= " foreach (\$_from as $key_part\$this->_tpl_vars['$item']):\n"; |
| 1185 | $output .= " {$foreach_props}['iteration']++;\n"; |
| 1186 | } else { |
| 1187 | $output .= "if (count(\$_from)):\n"; |
| 1188 | $output .= " foreach (\$_from as $key_part\$this->_tpl_vars['$item']):\n"; |
| 1189 | } |
| 1190 | $output .= '?>'; |
| 1191 | |
| 1192 | return $output; |
| 1193 | } |
| 1194 | |
| 1195 | |
| 1196 | /** |
| 1197 | * Compile {capture} .. {/capture} tags |
| 1198 | * |
| 1199 | * @param boolean $start true if this is the {capture} tag |
| 1200 | * @param string $tag_args |
| 1201 | * @return string |
| 1202 | */ |
| 1203 | |
| 1204 | function _compile_capture_tag($start, $tag_args = '') |
| 1205 | { |
| 1206 | $attrs = $this->_parse_attrs($tag_args); |
| 1207 | |
| 1208 | if ($start) { |
| 1209 | if (isset($attrs['name'])) |
| 1210 | $buffer = $attrs['name']; |
| 1211 | else |
| 1212 | $buffer = "'default'"; |
| 1213 | |
| 1214 | if (isset($attrs['assign'])) |
| 1215 | $assign = $attrs['assign']; |
| 1216 | else |
| 1217 | $assign = null; |
| 1218 | $output = "<?php ob_start(); ?>"; |
| 1219 | $this->_capture_stack[] = array($buffer, $assign); |
| 1220 | } else { |
| 1221 | list($buffer, $assign) = array_pop($this->_capture_stack); |
| 1222 | $output = "<?php \$this->_smarty_vars['capture'][$buffer] = ob_get_contents(); "; |
| 1223 | if (isset($assign)) { |
| 1224 | $output .= " \$this->assign($assign, ob_get_contents());"; |
| 1225 | } |
| 1226 | $output .= "ob_end_clean(); ?>"; |
| 1227 | } |
| 1228 | |
| 1229 | return $output; |
| 1230 | } |
| 1231 | |
| 1232 | /** |
| 1233 | * Compile {if ...} tag |
| 1234 | * |
| 1235 | * @param string $tag_args |
| 1236 | * @param boolean $elseif if true, uses elseif instead of if |
| 1237 | * @return string |
| 1238 | */ |
| 1239 | function _compile_if_tag($tag_args, $elseif = false) |
| 1240 | { |
| 1241 | |
| 1242 | /* Tokenize args for 'if' tag. */ |
| 1243 | preg_match_all('~(?> |
| 1244 | ' . $this->_obj_call_regexp . '(?:' . $this->_mod_regexp . '*)? | # valid object call |
| 1245 | ' . $this->_var_regexp . '(?:' . $this->_mod_regexp . '*)? | # var or quoted string |
| 1246 | \-?0[xX][0-9a-fA-F]+|\-?\d+(?:\.\d+)?|\.\d+|!==|===|==|!=|<>|<<|>>|<=|>=|\&\&|\|\||\(|\)|,|\!|\^|=|\&|\~|<|>|\||\%|\+|\-|\/|\*|\@ | # valid non-word token |
| 1247 | \b\w+\b | # valid word token |
| 1248 | \S+ # anything else |
| 1249 | )~x', $tag_args, $match); |
| 1250 | |
| 1251 | $tokens = $match[0]; |
| 1252 | |
| 1253 | if(empty($tokens)) { |
| 1254 | $_error_msg .= $elseif ? "'elseif'" : "'if'"; |
| 1255 | $_error_msg .= ' statement requires arguments'; |
| 1256 | $this->_syntax_error($_error_msg, E_USER_ERROR, __FILE__, __LINE__); |
| 1257 | } |
| 1258 | |
| 1259 | |
| 1260 | // make sure we have balanced parenthesis |
| 1261 | $token_count = array_count_values($tokens); |
| 1262 | if(isset($token_count['(']) && $token_count['('] != $token_count[')']) { |
| 1263 | $this->_syntax_error("unbalanced parenthesis in if statement", E_USER_ERROR, __FILE__, __LINE__); |
| 1264 | } |
| 1265 | |
| 1266 | $is_arg_stack = array(); |
| 1267 | |
| 1268 | for ($i = 0; $i < count($tokens); $i++) { |
| 1269 | |
| 1270 | $token = &$tokens[$i]; |
| 1271 | |
| 1272 | switch (strtolower($token)) { |
| 1273 | case '!': |
| 1274 | case '%': |
| 1275 | case '!==': |
| 1276 | case '==': |
| 1277 | case '===': |
| 1278 | case '>': |
| 1279 | case '<': |
| 1280 | case '!=': |
| 1281 | case '<>': |
| 1282 | case '<<': |
| 1283 | case '>>': |
| 1284 | case '<=': |
| 1285 | case '>=': |
| 1286 | case '&&': |
| 1287 | case '||': |
| 1288 | case '|': |
| 1289 | case '^': |
| 1290 | case '&': |
| 1291 | case '~': |
| 1292 | case ')': |
| 1293 | case ',': |
| 1294 | case '+': |
| 1295 | case '-': |
| 1296 | case '*': |
| 1297 | case '/': |
| 1298 | case '@': |
| 1299 | break; |
| 1300 | |
| 1301 | case 'eq': |
| 1302 | $token = '=='; |
| 1303 | break; |
| 1304 | |
| 1305 | case 'ne': |
| 1306 | case 'neq': |
| 1307 | $token = '!='; |
| 1308 | break; |
| 1309 | |
| 1310 | case 'lt': |
| 1311 | $token = '<'; |
| 1312 | break; |
| 1313 | |
| 1314 | case 'le': |
| 1315 | case 'lte': |
| 1316 | $token = '<='; |
| 1317 | break; |
| 1318 | |
| 1319 | case 'gt': |
| 1320 | $token = '>'; |
| 1321 | break; |
| 1322 | |
| 1323 | case 'ge': |
| 1324 | case 'gte': |
| 1325 | $token = '>='; |
| 1326 | break; |
| 1327 | |
| 1328 | case 'and': |
| 1329 | $token = '&&'; |
| 1330 | break; |
| 1331 | |
| 1332 | case 'or': |
| 1333 | $token = '||'; |
| 1334 | break; |
| 1335 | |
| 1336 | case 'not': |
| 1337 | $token = '!'; |
| 1338 | break; |
| 1339 | |
| 1340 | case 'mod': |
| 1341 | $token = '%'; |
| 1342 | break; |
| 1343 | |
| 1344 | case '(': |
| 1345 | array_push($is_arg_stack, $i); |
| 1346 | break; |
| 1347 | |
| 1348 | case 'is': |
| 1349 | /* If last token was a ')', we operate on the parenthesized |
| 1350 | expression. The start of the expression is on the stack. |
| 1351 | Otherwise, we operate on the last encountered token. */ |
| 1352 | if ($tokens[$i-1] == ')') |
| 1353 | $is_arg_start = array_pop($is_arg_stack); |
| 1354 | else |
| 1355 | $is_arg_start = $i-1; |
| 1356 | /* Construct the argument for 'is' expression, so it knows |
| 1357 | what to operate on. */ |
| 1358 | $is_arg = implode(' ', array_slice($tokens, $is_arg_start, $i - $is_arg_start)); |
| 1359 | |
| 1360 | /* Pass all tokens from next one until the end to the |
| 1361 | 'is' expression parsing function. The function will |
| 1362 | return modified tokens, where the first one is the result |
| 1363 | of the 'is' expression and the rest are the tokens it |
| 1364 | didn't touch. */ |
| 1365 | $new_tokens = $this->_parse_is_expr($is_arg, array_slice($tokens, $i+1)); |
| 1366 | |
| 1367 | /* Replace the old tokens with the new ones. */ |
| 1368 | array_splice($tokens, $is_arg_start, count($tokens), $new_tokens); |
| 1369 | |
| 1370 | /* Adjust argument start so that it won't change from the |
| 1371 | current position for the next iteration. */ |
| 1372 | $i = $is_arg_start; |
| 1373 | break; |
| 1374 | |
| 1375 | default: |
| 1376 | if(preg_match('~^' . $this->_func_regexp . '$~', $token) ) { |
| 1377 | // function call |
| 1378 | if($this->security && |
| 1379 | !in_array($token, $this->security_settings['IF_FUNCS'])) { |
| 1380 | $this->_syntax_error("(secure mode) '$token' not allowed in if statement", E_USER_ERROR, __FILE__, __LINE__); |
| 1381 | } |
| 1382 | } elseif(preg_match('~^' . $this->_var_regexp . '$~', $token) && isset($tokens[$i+1]) && $tokens[$i+1] == '(') { |
| 1383 | // variable function call |
| 1384 | $this->_syntax_error("variable function call '$token' not allowed in if statement", E_USER_ERROR, __FILE__, __LINE__); |
| 1385 | } elseif(preg_match('~^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '(?:' . $this->_mod_regexp . '*)$~', $token)) { |
| 1386 | // object or variable |
| 1387 | $token = $this->_parse_var_props($token); |
| 1388 | } elseif(is_numeric($token)) { |
| 1389 | // number, skip it |
| 1390 | } else { |
| 1391 | $this->_syntax_error("unidentified token '$token'", E_USER_ERROR, __FILE__, __LINE__); |
| 1392 | } |
| 1393 | break; |
| 1394 | } |
| 1395 | } |
| 1396 | |
| 1397 | if ($elseif) |
| 1398 | return '<?php elseif ('.implode(' ', $tokens).'): ?>'; |
| 1399 | else |
| 1400 | return '<?php if ('.implode(' ', $tokens).'): ?>'; |
| 1401 | } |
| 1402 | |
| 1403 | |
| 1404 | function _compile_arg_list($type, $name, $attrs, &$cache_code) { |
| 1405 | $arg_list = array(); |
| 1406 | |
| 1407 | if (isset($type) && isset($name) |
| 1408 | && isset($this->_plugins[$type]) |
| 1409 | && isset($this->_plugins[$type][$name]) |
| 1410 | && empty($this->_plugins[$type][$name][4]) |
| 1411 | && is_array($this->_plugins[$type][$name][5]) |
| 1412 | ) { |
| 1413 | /* we have a list of parameters that should be cached */ |
| 1414 | $_cache_attrs = $this->_plugins[$type][$name][5]; |
| 1415 | $_count = $this->_cache_attrs_count++; |
| 1416 | $cache_code = "\$_cache_attrs =& \$this->_smarty_cache_attrs('$this->_cache_serial','$_count');"; |
| 1417 | |
| 1418 | } else { |
| 1419 | /* no parameters are cached */ |
| 1420 | $_cache_attrs = null; |
| 1421 | } |
| 1422 | |
| 1423 | foreach ($attrs as $arg_name => $arg_value) { |
| 1424 | if (is_bool($arg_value)) |
| 1425 | $arg_value = $arg_value ? 'true' : 'false'; |
| 1426 | if (is_null($arg_value)) |
| 1427 | $arg_value = 'null'; |
| 1428 | if ($_cache_attrs && in_array($arg_name, $_cache_attrs)) { |
| 1429 | $arg_list[] = "'$arg_name' => (\$this->_cache_including) ? \$_cache_attrs['$arg_name'] : (\$_cache_attrs['$arg_name']=$arg_value)"; |
| 1430 | } else { |
| 1431 | $arg_list[] = "'$arg_name' => $arg_value"; |
| 1432 | } |
| 1433 | } |
| 1434 | return $arg_list; |
| 1435 | } |
| 1436 | |
| 1437 | /** |
| 1438 | * Parse is expression |
| 1439 | * |
| 1440 | * @param string $is_arg |
| 1441 | * @param array $tokens |
| 1442 | * @return array |
| 1443 | */ |
| 1444 | function _parse_is_expr($is_arg, $tokens) |
| 1445 | { |
| 1446 | $expr_end = 0; |
| 1447 | $negate_expr = false; |
| 1448 | |
| 1449 | if (($first_token = array_shift($tokens)) == 'not') { |
| 1450 | $negate_expr = true; |
| 1451 | $expr_type = array_shift($tokens); |
| 1452 | } else |
| 1453 | $expr_type = $first_token; |
| 1454 | |
| 1455 | switch ($expr_type) { |
| 1456 | case 'even': |
| 1457 | if (isset($tokens[$expr_end]) && $tokens[$expr_end] == 'by') { |
| 1458 | $expr_end++; |
| 1459 | $expr_arg = $tokens[$expr_end++]; |
| 1460 | $expr = "!(1 & ($is_arg / " . $this->_parse_var_props($expr_arg) . "))"; |
| 1461 | } else |
| 1462 | $expr = "!(1 & $is_arg)"; |
| 1463 | break; |
| 1464 | |
| 1465 | case 'odd': |
| 1466 | if (isset($tokens[$expr_end]) && $tokens[$expr_end] == 'by') { |
| 1467 | $expr_end++; |
| 1468 | $expr_arg = $tokens[$expr_end++]; |
| 1469 | $expr = "(1 & ($is_arg / " . $this->_parse_var_props($expr_arg) . "))"; |
| 1470 | } else |
| 1471 | $expr = "(1 & $is_arg)"; |
| 1472 | break; |
| 1473 | |
| 1474 | case 'div': |
| 1475 | if (@$tokens[$expr_end] == 'by') { |
| 1476 | $expr_end++; |
| 1477 | $expr_arg = $tokens[$expr_end++]; |
| 1478 | $expr = "!($is_arg % " . $this->_parse_var_props($expr_arg) . ")"; |
| 1479 | } else { |
| 1480 | $this->_syntax_error("expecting 'by' after 'div'", E_USER_ERROR, __FILE__, __LINE__); |
| 1481 | } |
| 1482 | break; |
| 1483 | |
| 1484 | default: |
| 1485 | $this->_syntax_error("unknown 'is' expression - '$expr_type'", E_USER_ERROR, __FILE__, __LINE__); |
| 1486 | break; |
| 1487 | } |
| 1488 | |
| 1489 | if ($negate_expr) { |
| 1490 | $expr = "!($expr)"; |
| 1491 | } |
| 1492 | |
| 1493 | array_splice($tokens, 0, $expr_end, $expr); |
| 1494 | |
| 1495 | return $tokens; |
| 1496 | } |
| 1497 | |
| 1498 | |
| 1499 | /** |
| 1500 | * Parse attribute string |
| 1501 | * |
| 1502 | * @param string $tag_args |
| 1503 | * @return array |
| 1504 | */ |
| 1505 | function _parse_attrs($tag_args) |
| 1506 | { |
| 1507 | |
| 1508 | /* Tokenize tag attributes. */ |
| 1509 | preg_match_all('~(?:' . $this->_obj_call_regexp . '|' . $this->_qstr_regexp . ' | (?>[^"\'=\s]+) |
| 1510 | )+ | |
| 1511 | [=] |
| 1512 | ~x', $tag_args, $match); |
| 1513 | $tokens = $match[0]; |
| 1514 | |
| 1515 | $attrs = array(); |
| 1516 | /* Parse state: |
| 1517 | 0 - expecting attribute name |
| 1518 | 1 - expecting '=' |
| 1519 | 2 - expecting attribute value (not '=') */ |
| 1520 | $state = 0; |
| 1521 | |
| 1522 | foreach ($tokens as $token) { |
| 1523 | switch ($state) { |
| 1524 | case 0: |
| 1525 | /* If the token is a valid identifier, we set attribute name |
| 1526 | and go to state 1. */ |
| 1527 | if (preg_match('~^\w+$~', $token)) { |
| 1528 | $attr_name = $token; |
| 1529 | $state = 1; |
| 1530 | } else |
| 1531 | $this->_syntax_error("invalid attribute name: '$token'", E_USER_ERROR, __FILE__, __LINE__); |
| 1532 | break; |
| 1533 | |
| 1534 | case 1: |
| 1535 | /* If the token is '=', then we go to state 2. */ |
| 1536 | if ($token == '=') { |
| 1537 | $state = 2; |
| 1538 | } else |
| 1539 | $this->_syntax_error("expecting '=' after attribute name '$last_token'", E_USER_ERROR, __FILE__, __LINE__); |
| 1540 | break; |
| 1541 | |
| 1542 | case 2: |
| 1543 | /* If token is not '=', we set the attribute value and go to |
| 1544 | state 0. */ |
| 1545 | if ($token != '=') { |
| 1546 | /* We booleanize the token if it's a non-quoted possible |
| 1547 | boolean value. */ |
| 1548 | if (preg_match('~^(on|yes|true)$~', $token)) { |
| 1549 | $token = 'true'; |
| 1550 | } else if (preg_match('~^(off|no|false)$~', $token)) { |
| 1551 | $token = 'false'; |
| 1552 | } else if ($token == 'null') { |
| 1553 | $token = 'null'; |
| 1554 | } else if (preg_match('~^' . $this->_num_const_regexp . '|0[xX][0-9a-fA-F]+$~', $token)) { |
| 1555 | /* treat integer literally */ |
| 1556 | } else if (!preg_match('~^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '(?:' . $this->_mod_regexp . ')*$~', $token)) { |
| 1557 | /* treat as a string, double-quote it escaping quotes */ |
| 1558 | $token = '"'.addslashes($token).'"'; |
| 1559 | } |
| 1560 | |
| 1561 | $attrs[$attr_name] = $token; |
| 1562 | $state = 0; |
| 1563 | } else |
| 1564 | $this->_syntax_error("'=' cannot be an attribute value", E_USER_ERROR, __FILE__, __LINE__); |
| 1565 | break; |
| 1566 | } |
| 1567 | $last_token = $token; |
| 1568 | } |
| 1569 | |
| 1570 | if($state != 0) { |
| 1571 | if($state == 1) { |
| 1572 | $this->_syntax_error("expecting '=' after attribute name '$last_token'", E_USER_ERROR, __FILE__, __LINE__); |
| 1573 | } else { |
| 1574 | $this->_syntax_error("missing attribute value", E_USER_ERROR, __FILE__, __LINE__); |
| 1575 | } |
| 1576 | } |
| 1577 | |
| 1578 | $this->_parse_vars_props($attrs); |
| 1579 | |
| 1580 | return $attrs; |
| 1581 | } |
| 1582 | |
| 1583 | /** |
| 1584 | * compile multiple variables and section properties tokens into |
| 1585 | * PHP code |
| 1586 | * |
| 1587 | * @param array $tokens |
| 1588 | */ |
| 1589 | function _parse_vars_props(&$tokens) |
| 1590 | { |
| 1591 | foreach($tokens as $key => $val) { |
| 1592 | $tokens[$key] = $this->_parse_var_props($val); |
| 1593 | } |
| 1594 | } |
| 1595 | |
| 1596 | /** |
| 1597 | * compile single variable and section properties token into |
| 1598 | * PHP code |
| 1599 | * |
| 1600 | * @param string $val |
| 1601 | * @param string $tag_attrs |
| 1602 | * @return string |
| 1603 | */ |
| 1604 | function _parse_var_props($val) |
| 1605 | { |
| 1606 | $val = trim($val); |
| 1607 | |
| 1608 | if(preg_match('~^(' . $this->_obj_call_regexp . '|' . $this->_dvar_regexp . ')(' . $this->_mod_regexp . '*)$~', $val, $match)) { |
| 1609 | // $ variable or object |
| 1610 | $return = $this->_parse_var($match[1]); |
| 1611 | $modifiers = $match[2]; |
| 1612 | if (!empty($this->default_modifiers) && !preg_match('~(^|\|)smarty:nodefaults($|\|)~',$modifiers)) { |
| 1613 | $_default_mod_string = implode('|',(array)$this->default_modifiers); |
| 1614 | $modifiers = empty($modifiers) ? $_default_mod_string : $_default_mod_string . '|' . $modifiers; |
| 1615 | } |
| 1616 | $this->_parse_modifiers($return, $modifiers); |
| 1617 | return $return; |
| 1618 | } elseif (preg_match('~^' . $this->_db_qstr_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { |
| 1619 | // double quoted text |
| 1620 | preg_match('~^(' . $this->_db_qstr_regexp . ')('. $this->_mod_regexp . '*)$~', $val, $match); |
| 1621 | $return = $this->_expand_quoted_text($match[1]); |
| 1622 | if($match[2] != '') { |
| 1623 | $this->_parse_modifiers($return, $match[2]); |
| 1624 | } |
| 1625 | return $return; |
| 1626 | } |
| 1627 | elseif(preg_match('~^' . $this->_num_const_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { |
| 1628 | // numerical constant |
| 1629 | preg_match('~^(' . $this->_num_const_regexp . ')('. $this->_mod_regexp . '*)$~', $val, $match); |
| 1630 | if($match[2] != '') { |
| 1631 | $this->_parse_modifiers($match[1], $match[2]); |
| 1632 | return $match[1]; |
| 1633 | } |
| 1634 | } |
| 1635 | elseif(preg_match('~^' . $this->_si_qstr_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { |
| 1636 | // single quoted text |
| 1637 | preg_match('~^(' . $this->_si_qstr_regexp . ')('. $this->_mod_regexp . '*)$~', $val, $match); |
| 1638 | if($match[2] != '') { |
| 1639 | $this->_parse_modifiers($match[1], $match[2]); |
| 1640 | return $match[1]; |
| 1641 | } |
| 1642 | } |
| 1643 | elseif(preg_match('~^' . $this->_cvar_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { |
| 1644 | // config var |
| 1645 | return $this->_parse_conf_var($val); |
| 1646 | } |
| 1647 | elseif(preg_match('~^' . $this->_svar_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { |
| 1648 | // section var |
| 1649 | return $this->_parse_section_prop($val); |
| 1650 | } |
| 1651 | elseif(!in_array($val, $this->_permitted_tokens) && !is_numeric($val)) { |
| 1652 | // literal string |
| 1653 | return $this->_expand_quoted_text('"' . strtr($val, array('\\' => '\\\\', '"' => '\\"')) .'"'); |
| 1654 | } |
| 1655 | return $val; |
| 1656 | } |
| 1657 | |
| 1658 | /** |
| 1659 | * expand quoted text with embedded variables |
| 1660 | * |
| 1661 | * @param string $var_expr |
| 1662 | * @return string |
| 1663 | */ |
| 1664 | function _expand_quoted_text($var_expr) |
| 1665 | { |
| 1666 | // if contains unescaped $, expand it |
| 1667 | if(preg_match_all('~(?:\`(?<!\\\\)\$' . $this->_dvar_guts_regexp . '(?:' . $this->_obj_ext_regexp . ')*\`)|(?:(?<!\\\\)\$\w+(\[[a-zA-Z0-9]+\])*)~', $var_expr, $_match)) { |
| 1668 | $_match = $_match[0]; |
| 1669 | rsort($_match); |
| 1670 | reset($_match); |
| 1671 | foreach($_match as $_var) { |
| 1672 | $var_expr = str_replace ($_var, '".(' . $this->_parse_var(str_replace('`','',$_var)) . ')."', $var_expr); |
| 1673 | } |
| 1674 | $_return = preg_replace('~\.""|(?<!\\\\)""\.~', '', $var_expr); |
| 1675 | } else { |
| 1676 | $_return = $var_expr; |
| 1677 | } |
| 1678 | // replace double quoted literal string with single quotes |
| 1679 | $_return = preg_replace('~^"([\s\w]+)"$~',"'\\1'",$_return); |
| 1680 | return $_return; |
| 1681 | } |
| 1682 | |
| 1683 | /** |
| 1684 | * parse variable expression into PHP code |
| 1685 | * |
| 1686 | * @param string $var_expr |
| 1687 | * @param string $output |
| 1688 | * @return string |
| 1689 | */ |
| 1690 | function _parse_var($var_expr) |
| 1691 | { |
| 1692 | $_has_math = false; |
| 1693 | $_math_vars = preg_split('~('.$this->_dvar_math_regexp.'|'.$this->_qstr_regexp.')~', $var_expr, -1, PREG_SPLIT_DELIM_CAPTURE); |
| 1694 | |
| 1695 | if(count($_math_vars) > 1) { |
| 1696 | $_first_var = ""; |
| 1697 | $_complete_var = ""; |
| 1698 | $_output = ""; |
| 1699 | // simple check if there is any math, to stop recursion (due to modifiers with "xx % yy" as parameter) |
| 1700 | foreach($_math_vars as $_k => $_math_var) { |
| 1701 | $_math_var = $_math_vars[$_k]; |
| 1702 | |
| 1703 | if(!empty($_math_var) || is_numeric($_math_var)) { |
| 1704 | // hit a math operator, so process the stuff which came before it |
| 1705 | if(preg_match('~^' . $this->_dvar_math_regexp . '$~', $_math_var)) { |
| 1706 | $_has_math = true; |
| 1707 | if(!empty($_complete_var) || is_numeric($_complete_var)) { |
| 1708 | $_output .= $this->_parse_var($_complete_var); |
| 1709 | } |
| 1710 | |
| 1711 | // just output the math operator to php |
| 1712 | $_output .= $_math_var; |
| 1713 | |
| 1714 | if(empty($_first_var)) |
| 1715 | $_first_var = $_complete_var; |
| 1716 | |
| 1717 | $_complete_var = ""; |
| 1718 | } else { |
| 1719 | $_complete_var .= $_math_var; |
| 1720 | } |
| 1721 | } |
| 1722 | } |
| 1723 | if($_has_math) { |
| 1724 | if(!empty($_complete_var) || is_numeric($_complete_var)) |
| 1725 | $_output .= $this->_parse_var($_complete_var); |
| 1726 | |
| 1727 | // get the modifiers working (only the last var from math + modifier is left) |
| 1728 | $var_expr = $_complete_var; |
| 1729 | } |
| 1730 | } |
| 1731 | |
| 1732 | // prevent cutting of first digit in the number (we _definitly_ got a number if the first char is a digit) |
| 1733 | if(is_numeric($var_expr{0})) |
| 1734 | $_var_ref = $var_expr; |
| 1735 | else |
| 1736 | $_var_ref = substr($var_expr, 1); |
| 1737 | |
| 1738 | if(!$_has_math) { |
| 1739 | |
| 1740 | // get [foo] and .foo and ->foo and (...) pieces |
| 1741 | preg_match_all('~(?:^\w+)|' . $this->_obj_params_regexp . '|(?:' . $this->_var_bracket_regexp . ')|->\$?\w+|\.\$?\w+|\S+~', $_var_ref, $match); |
| 1742 | |
| 1743 | $_indexes = $match[0]; |
| 1744 | $_var_name = array_shift($_indexes); |
| 1745 | |
| 1746 | /* Handle $smarty.* variable references as a special case. */ |
| 1747 | if ($_var_name == 'smarty') { |
| 1748 | /* |
| 1749 | * If the reference could be compiled, use the compiled output; |
| 1750 | * otherwise, fall back on the $smarty variable generated at |
| 1751 | * run-time. |
| 1752 | */ |
| 1753 | if (($smarty_ref = $this->_compile_smarty_ref($_indexes)) !== null) { |
| 1754 | $_output = $smarty_ref; |
| 1755 | } else { |
| 1756 | $_var_name = substr(array_shift($_indexes), 1); |
| 1757 | $_output = "\$this->_smarty_vars['$_var_name']"; |
| 1758 | } |
| 1759 | } elseif(is_numeric($_var_name) && is_numeric($var_expr{0})) { |
| 1760 | // because . is the operator for accessing arrays thru inidizes we need to put it together again for floating point numbers |
| 1761 | if(count($_indexes) > 0) |
| 1762 | { |
| 1763 | $_var_name .= implode("", $_indexes); |
| 1764 | $_indexes = array(); |
| 1765 | } |
| 1766 | $_output = $_var_name; |
| 1767 | } else { |
| 1768 | $_output = "\$this->_tpl_vars['$_var_name']"; |
| 1769 | } |
| 1770 | |
| 1771 | foreach ($_indexes as $_index) { |
| 1772 | if ($_index{0} == '[') { |
| 1773 | $_index = substr($_index, 1, -1); |
| 1774 | if (is_numeric($_index)) { |
| 1775 | $_output .= "[$_index]"; |
| 1776 | } elseif ($_index{0} == '$') { |
| 1777 | if (strpos($_index, '.') !== false) { |
| 1778 | $_output .= '[' . $this->_parse_var($_index) . ']'; |
| 1779 | } else { |
| 1780 | $_output .= "[\$this->_tpl_vars['" . substr($_index, 1) . "']]"; |
| 1781 | } |
| 1782 | } else { |
| 1783 | $_var_parts = explode('.', $_index); |
| 1784 | $_var_section = $_var_parts[0]; |
| 1785 | $_var_section_prop = isset($_var_parts[1]) ? $_var_parts[1] : 'index'; |
| 1786 | $_output .= "[\$this->_sections['$_var_section']['$_var_section_prop']]"; |
| 1787 | } |
| 1788 | } else if ($_index{0} == '.') { |
| 1789 | if ($_index{1} == '$') |
| 1790 | $_output .= "[\$this->_tpl_vars['" . substr($_index, 2) . "']]"; |
| 1791 | else |
| 1792 | $_output .= "['" . substr($_index, 1) . "']"; |
| 1793 | } else if (substr($_index,0,2) == '->') { |
| 1794 | if(substr($_index,2,2) == '__') { |
| 1795 | $this->_syntax_error('call to internal object members is not allowed', E_USER_ERROR, __FILE__, __LINE__); |
| 1796 | } elseif($this->security && substr($_index, 2, 1) == '_') { |
| 1797 | $this->_syntax_error('(secure) call to private object member is not allowed', E_USER_ERROR, __FILE__, __LINE__); |
| 1798 | } elseif ($_index{2} == '$') { |
| 1799 | if ($this->security) { |
| 1800 | $this->_syntax_error('(secure) call to dynamic object member is not allowed', E_USER_ERROR, __FILE__, __LINE__); |
| 1801 | } else { |
| 1802 | $_output .= '->{(($_var=$this->_tpl_vars[\''.substr($_index,3).'\']) && substr($_var,0,2)!=\'__\') ? $_var : $this->trigger_error("cannot access property \\"$_var\\"")}'; |
| 1803 | } |
| 1804 | } else { |
| 1805 | $_output .= $_index; |
| 1806 | } |
| 1807 | } elseif ($_index{0} == '(') { |
| 1808 | $_index = $this->_parse_parenth_args($_index); |
| 1809 | $_output .= $_index; |
| 1810 | } else { |
| 1811 | $_output .= $_index; |
| 1812 | } |
| 1813 | } |
| 1814 | } |
| 1815 | |
| 1816 | return $_output; |
| 1817 | } |
| 1818 | |
| 1819 | /** |
| 1820 | * parse arguments in function call parenthesis |
| 1821 | * |
| 1822 | * @param string $parenth_args |
| 1823 | * @return string |
| 1824 | */ |
| 1825 | function _parse_parenth_args($parenth_args) |
| 1826 | { |
| 1827 | preg_match_all('~' . $this->_param_regexp . '~',$parenth_args, $match); |
| 1828 | $orig_vals = $match = $match[0]; |
| 1829 | $this->_parse_vars_props($match); |
| 1830 | $replace = array(); |
| 1831 | for ($i = 0, $count = count($match); $i < $count; $i++) { |
| 1832 | $replace[$orig_vals[$i]] = $match[$i]; |
| 1833 | } |
| 1834 | return strtr($parenth_args, $replace); |
| 1835 | } |
| 1836 | |
| 1837 | /** |
| 1838 | * parse configuration variable expression into PHP code |
| 1839 | * |
| 1840 | * @param string $conf_var_expr |
| 1841 | */ |
| 1842 | function _parse_conf_var($conf_var_expr) |
| 1843 | { |
| 1844 | $parts = explode('|', $conf_var_expr, 2); |
| 1845 | $var_ref = $parts[0]; |
| 1846 | $modifiers = isset($parts[1]) ? $parts[1] : ''; |
| 1847 | |
| 1848 | $var_name = substr($var_ref, 1, -1); |
| 1849 | |
| 1850 | $output = "\$this->_config[0]['vars']['$var_name']"; |
| 1851 | |
| 1852 | $this->_parse_modifiers($output, $modifiers); |
| 1853 | |
| 1854 | return $output; |
| 1855 | } |
| 1856 | |
| 1857 | /** |
| 1858 | * parse section property expression into PHP code |
| 1859 | * |
| 1860 | * @param string $section_prop_expr |
| 1861 | * @return string |
| 1862 | */ |
| 1863 | function _parse_section_prop($section_prop_expr) |
| 1864 | { |
| 1865 | $parts = explode('|', $section_prop_expr, 2); |
| 1866 | $var_ref = $parts[0]; |
| 1867 | $modifiers = isset($parts[1]) ? $parts[1] : ''; |
| 1868 | |
| 1869 | preg_match('!%(\w+)\.(\w+)%!', $var_ref, $match); |
| 1870 | $section_name = $match[1]; |
| 1871 | $prop_name = $match[2]; |
| 1872 | |
| 1873 | $output = "\$this->_sections['$section_name']['$prop_name']"; |
| 1874 | |
| 1875 | $this->_parse_modifiers($output, $modifiers); |
| 1876 | |
| 1877 | return $output; |
| 1878 | } |
| 1879 | |
| 1880 | |
| 1881 | /** |
| 1882 | * parse modifier chain into PHP code |
| 1883 | * |
| 1884 | * sets $output to parsed modified chain |
| 1885 | * @param string $output |
| 1886 | * @param string $modifier_string |
| 1887 | */ |
| 1888 | function _parse_modifiers(&$output, $modifier_string) |
| 1889 | { |
| 1890 | preg_match_all('~\|(@?\w+)((?>:(?:'. $this->_qstr_regexp . '|[^|]+))*)~', '|' . $modifier_string, $_match); |
| 1891 | list(, $_modifiers, $modifier_arg_strings) = $_match; |
| 1892 | |
| 1893 | for ($_i = 0, $_for_max = count($_modifiers); $_i < $_for_max; $_i++) { |
| 1894 | $_modifier_name = $_modifiers[$_i]; |
| 1895 | |
| 1896 | if($_modifier_name == 'smarty') { |
| 1897 | // skip smarty modifier |
| 1898 | continue; |
| 1899 | } |
| 1900 | |
| 1901 | preg_match_all('~:(' . $this->_qstr_regexp . '|[^:]+)~', $modifier_arg_strings[$_i], $_match); |
| 1902 | $_modifier_args = $_match[1]; |
| 1903 | |
| 1904 | if ($_modifier_name{0} == '@') { |
| 1905 | $_map_array = false; |
| 1906 | $_modifier_name = substr($_modifier_name, 1); |
| 1907 | } else { |
| 1908 | $_map_array = true; |
| 1909 | } |
| 1910 | |
| 1911 | if (empty($this->_plugins['modifier'][$_modifier_name]) |
| 1912 | && !$this->_get_plugin_filepath('modifier', $_modifier_name) |
| 1913 | && function_exists($_modifier_name)) { |
| 1914 | if ($this->security && !in_array($_modifier_name, $this->security_settings['MODIFIER_FUNCS'])) { |
| 1915 | $this->_trigger_fatal_error("[plugin] (secure mode) modifier '$_modifier_name' is not allowed" , $this->_current_file, $this->_current_line_no, __FILE__, __LINE__); |
| 1916 | } else { |
| 1917 | $this->_plugins['modifier'][$_modifier_name] = array($_modifier_name, null, null, false); |
| 1918 | } |
| 1919 | } |
| 1920 | $this->_add_plugin('modifier', $_modifier_name); |
| 1921 | |
| 1922 | $this->_parse_vars_props($_modifier_args); |
| 1923 | |
| 1924 | if($_modifier_name == 'default') { |
| 1925 | // supress notifications of default modifier vars and args |
| 1926 | if($output{0} == '$') { |
| 1927 | $output = '@' . $output; |
| 1928 | } |
| 1929 | if(isset($_modifier_args[0]) && $_modifier_args[0]{0} == '$') { |
| 1930 | $_modifier_args[0] = '@' . $_modifier_args[0]; |
| 1931 | } |
| 1932 | } |
| 1933 | if (count($_modifier_args) > 0) |
| 1934 | $_modifier_args = ', '.implode(', ', $_modifier_args); |
| 1935 | else |
| 1936 | $_modifier_args = ''; |
| 1937 | |
| 1938 | if ($_map_array) { |
| 1939 | $output = "((is_array(\$_tmp=$output)) ? \$this->_run_mod_handler('$_modifier_name', true, \$_tmp$_modifier_args) : " . $this->_compile_plugin_call('modifier', $_modifier_name) . "(\$_tmp$_modifier_args))"; |
| 1940 | |
| 1941 | } else { |
| 1942 | |
| 1943 | $output = $this->_compile_plugin_call('modifier', $_modifier_name)."($output$_modifier_args)"; |
| 1944 | |
| 1945 | } |
| 1946 | } |
| 1947 | } |
| 1948 | |
| 1949 | |
| 1950 | /** |
| 1951 | * add plugin |
| 1952 | * |
| 1953 | * @param string $type |
| 1954 | * @param string $name |
| 1955 | * @param boolean? $delayed_loading |
| 1956 | */ |
| 1957 | function _add_plugin($type, $name, $delayed_loading = null) |
| 1958 | { |
| 1959 | if (!isset($this->_plugin_info[$type])) { |
| 1960 | $this->_plugin_info[$type] = array(); |
| 1961 | } |
| 1962 | if (!isset($this->_plugin_info[$type][$name])) { |
| 1963 | $this->_plugin_info[$type][$name] = array($this->_current_file, |
| 1964 | $this->_current_line_no, |
| 1965 | $delayed_loading); |
| 1966 | } |
| 1967 | } |
| 1968 | |
| 1969 | |
| 1970 | /** |
| 1971 | * Compiles references of type $smarty.foo |
| 1972 | * |
| 1973 | * @param string $indexes |
| 1974 | * @return string |
| 1975 | */ |
| 1976 | function _compile_smarty_ref(&$indexes) |
| 1977 | { |
| 1978 | /* Extract the reference name. */ |
| 1979 | $_ref = substr($indexes[0], 1); |
| 1980 | foreach($indexes as $_index_no=>$_index) { |
| 1981 | if ($_index{0} != '.' && $_index_no<2 || !preg_match('~^(\.|\[|->)~', $_index)) { |
| 1982 | $this->_syntax_error('$smarty' . implode('', array_slice($indexes, 0, 2)) . ' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__); |
| 1983 | } |
| 1984 | } |
| 1985 | |
| 1986 | switch ($_ref) { |
| 1987 | case 'now': |
| 1988 | $compiled_ref = 'time()'; |
| 1989 | $_max_index = 1; |
| 1990 | break; |
| 1991 | |
| 1992 | case 'foreach': |
| 1993 | array_shift($indexes); |
| 1994 | $_var = $this->_parse_var_props(substr($indexes[0], 1)); |
| 1995 | $_propname = substr($indexes[1], 1); |
| 1996 | $_max_index = 1; |
| 1997 | switch ($_propname) { |
| 1998 | case 'index': |
| 1999 | array_shift($indexes); |
| 2000 | $compiled_ref = "(\$this->_foreach[$_var]['iteration']-1)"; |
| 2001 | break; |
| 2002 | |
| 2003 | case 'first': |
| 2004 | array_shift($indexes); |
| 2005 | $compiled_ref = "(\$this->_foreach[$_var]['iteration'] <= 1)"; |
| 2006 | break; |
| 2007 | |
| 2008 | case 'last': |
| 2009 | array_shift($indexes); |
| 2010 | $compiled_ref = "(\$this->_foreach[$_var]['iteration'] == \$this->_foreach[$_var]['total'])"; |
| 2011 | break; |
| 2012 | |
| 2013 | case 'show': |
| 2014 | array_shift($indexes); |
| 2015 | $compiled_ref = "(\$this->_foreach[$_var]['total'] > 0)"; |
| 2016 | break; |
| 2017 | |
| 2018 | default: |
| 2019 | unset($_max_index); |
| 2020 | $compiled_ref = "\$this->_foreach[$_var]"; |
| 2021 | } |
| 2022 | break; |
| 2023 | |
| 2024 | case 'section': |
| 2025 | array_shift($indexes); |
| 2026 | $_var = $this->_parse_var_props(substr($indexes[0], 1)); |
| 2027 | $compiled_ref = "\$this->_sections[$_var]"; |
| 2028 | break; |
| 2029 | |
| 2030 | case 'get': |
| 2031 | $compiled_ref = ($this->request_use_auto_globals) ? '$_GET' : "\$GLOBALS['HTTP_GET_VARS']"; |
| 2032 | break; |
| 2033 | |
| 2034 | case 'post': |
| 2035 | $compiled_ref = ($this->request_use_auto_globals) ? '$_POST' : "\$GLOBALS['HTTP_POST_VARS']"; |
| 2036 | break; |
| 2037 | |
| 2038 | case 'cookies': |
| 2039 | $compiled_ref = ($this->request_use_auto_globals) ? '$_COOKIE' : "\$GLOBALS['HTTP_COOKIE_VARS']"; |
| 2040 | break; |
| 2041 | |
| 2042 | case 'env': |
| 2043 | $compiled_ref = ($this->request_use_auto_globals) ? '$_ENV' : "\$GLOBALS['HTTP_ENV_VARS']"; |
| 2044 | break; |
| 2045 | |
| 2046 | case 'server': |
| 2047 | $compiled_ref = ($this->request_use_auto_globals) ? '$_SERVER' : "\$GLOBALS['HTTP_SERVER_VARS']"; |
| 2048 | break; |
| 2049 | |
| 2050 | case 'session': |
| 2051 | $compiled_ref = ($this->request_use_auto_globals) ? '$_SESSION' : "\$GLOBALS['HTTP_SESSION_VARS']"; |
| 2052 | break; |
| 2053 | |
| 2054 | /* |
| 2055 | * These cases are handled either at run-time or elsewhere in the |
| 2056 | * compiler. |
| 2057 | */ |
| 2058 | case 'request': |
| 2059 | if ($this->request_use_auto_globals) { |
| 2060 | $compiled_ref = '$_REQUEST'; |
| 2061 | break; |
| 2062 | } else { |
| 2063 | $this->_init_smarty_vars = true; |
| 2064 | } |
| 2065 | return null; |
| 2066 | |
| 2067 | case 'capture': |
| 2068 | return null; |
| 2069 | |
| 2070 | case 'template': |
| 2071 | $compiled_ref = "'$this->_current_file'"; |
| 2072 | $_max_index = 1; |
| 2073 | break; |
| 2074 | |
| 2075 | case 'version': |
| 2076 | $compiled_ref = "'$this->_version'"; |
| 2077 | $_max_index = 1; |
| 2078 | break; |
| 2079 | |
| 2080 | case 'const': |
| 2081 | if ($this->security && !$this->security_settings['ALLOW_CONSTANTS']) { |
| 2082 | $this->_syntax_error("(secure mode) constants not permitted", |
| 2083 | E_USER_WARNING, __FILE__, __LINE__); |
| 2084 | return; |
| 2085 | } |
| 2086 | array_shift($indexes); |
| 2087 | if (preg_match('!^\.\w+$!', $indexes[0])) { |
| 2088 | $compiled_ref = '@' . substr($indexes[0], 1); |
| 2089 | } else { |
| 2090 | $_val = $this->_parse_var_props(substr($indexes[0], 1)); |
| 2091 | $compiled_ref = '@constant(' . $_val . ')'; |
| 2092 | } |
| 2093 | $_max_index = 1; |
| 2094 | break; |
| 2095 | |
| 2096 | case 'config': |
| 2097 | $compiled_ref = "\$this->_config[0]['vars']"; |
| 2098 | $_max_index = 3; |
| 2099 | break; |
| 2100 | |
| 2101 | case 'ldelim': |
| 2102 | $compiled_ref = "'$this->left_delimiter'"; |
| 2103 | break; |
| 2104 | |
| 2105 | case 'rdelim': |
| 2106 | $compiled_ref = "'$this->right_delimiter'"; |
| 2107 | break; |
| 2108 | |
| 2109 | default: |
| 2110 | $this->_syntax_error('$smarty.' . $_ref . ' is an unknown reference', E_USER_ERROR, __FILE__, __LINE__); |
| 2111 | break; |
| 2112 | } |
| 2113 | |
| 2114 | if (isset($_max_index) && count($indexes) > $_max_index) { |
| 2115 | $this->_syntax_error('$smarty' . implode('', $indexes) .' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__); |
| 2116 | } |
| 2117 | |
| 2118 | array_shift($indexes); |
| 2119 | return $compiled_ref; |
| 2120 | } |
| 2121 | |
| 2122 | /** |
| 2123 | * compiles call to plugin of type $type with name $name |
| 2124 | * returns a string containing the function-name or method call |
| 2125 | * without the paramter-list that would have follow to make the |
| 2126 | * call valid php-syntax |
| 2127 | * |
| 2128 | * @param string $type |
| 2129 | * @param string $name |
| 2130 | * @return string |
| 2131 | */ |
| 2132 | function _compile_plugin_call($type, $name) { |
| 2133 | if (isset($this->_plugins[$type][$name])) { |
| 2134 | /* plugin loaded */ |
| 2135 | if (is_array($this->_plugins[$type][$name][0])) { |
| 2136 | return ((is_object($this->_plugins[$type][$name][0][0])) ? |
| 2137 | "\$this->_plugins['$type']['$name'][0][0]->" /* method callback */ |
| 2138 | : (string)($this->_plugins[$type][$name][0][0]).'::' /* class callback */ |
| 2139 | ). $this->_plugins[$type][$name][0][1]; |
| 2140 | |
| 2141 | } else { |
| 2142 | /* function callback */ |
| 2143 | return $this->_plugins[$type][$name][0]; |
| 2144 | |
| 2145 | } |
| 2146 | } else { |
| 2147 | /* plugin not loaded -> auto-loadable-plugin */ |
| 2148 | return 'smarty_'.$type.'_'.$name; |
| 2149 | |
| 2150 | } |
| 2151 | } |
| 2152 | |
| 2153 | /** |
| 2154 | * load pre- and post-filters |
| 2155 | */ |
| 2156 | function _load_filters() |
| 2157 | { |
| 2158 | if (count($this->_plugins['prefilter']) > 0) { |
| 2159 | foreach ($this->_plugins['prefilter'] as $filter_name => $prefilter) { |
| 2160 | if ($prefilter === false) { |
| 2161 | unset($this->_plugins['prefilter'][$filter_name]); |
| 2162 | $_params = array('plugins' => array(array('prefilter', $filter_name, null, null, false))); |
| 2163 | require_once(SMARTY_CORE_DIR . 'core.load_plugins.php'); |
| 2164 | smarty_core_load_plugins($_params, $this); |
| 2165 | } |
| 2166 | } |
| 2167 | } |
| 2168 | if (count($this->_plugins['postfilter']) > 0) { |
| 2169 | foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) { |
| 2170 | if ($postfilter === false) { |
| 2171 | unset($this->_plugins['postfilter'][$filter_name]); |
| 2172 | $_params = array('plugins' => array(array('postfilter', $filter_name, null, null, false))); |
| 2173 | require_once(SMARTY_CORE_DIR . 'core.load_plugins.php'); |
| 2174 | smarty_core_load_plugins($_params, $this); |
| 2175 | } |
| 2176 | } |
| 2177 | } |
| 2178 | } |
| 2179 | |
| 2180 | |
| 2181 | /** |
| 2182 | * Quote subpattern references |
| 2183 | * |
| 2184 | * @param string $string |
| 2185 | * @return string |
| 2186 | */ |
| 2187 | function _quote_replace($string) |
| 2188 | { |
| 2189 | return strtr($string, array('\\' => '\\\\', '$' => '\\$')); |
| 2190 | } |
| 2191 | |
| 2192 | /** |
| 2193 | * display Smarty syntax error |
| 2194 | * |
| 2195 | * @param string $error_msg |
| 2196 | * @param integer $error_type |
| 2197 | * @param string $file |
| 2198 | * @param integer $line |
| 2199 | */ |
| 2200 | function _syntax_error($error_msg, $error_type = E_USER_ERROR, $file=null, $line=null) |
| 2201 | { |
| 2202 | $this->_trigger_fatal_error("syntax error: $error_msg", $this->_current_file, $this->_current_line_no, $file, $line, $error_type); |
| 2203 | } |
| 2204 | |
| 2205 | |
| 2206 | /** |
| 2207 | * check if the compilation changes from cacheable to |
| 2208 | * non-cacheable state with the beginning of the current |
| 2209 | * plugin. return php-code to reflect the transition. |
| 2210 | * @return string |
| 2211 | */ |
| 2212 | function _push_cacheable_state($type, $name) { |
| 2213 | $_cacheable = !isset($this->_plugins[$type][$name]) || $this->_plugins[$type][$name][4]; |
| 2214 | if ($_cacheable |
| 2215 | || 0<$this->_cacheable_state++) return ''; |
| 2216 | if (!isset($this->_cache_serial)) $this->_cache_serial = md5(uniqid('Smarty')); |
| 2217 | $_ret = 'if ($this->caching && !$this->_cache_including) { echo \'{nocache:' |
| 2218 | . $this->_cache_serial . '#' . $this->_nocache_count |
| 2219 | . '}\';}'; |
| 2220 | return $_ret; |
| 2221 | } |
| 2222 | |
| 2223 | |
| 2224 | /** |
| 2225 | * check if the compilation changes from non-cacheable to |
| 2226 | * cacheable state with the end of the current plugin return |
| 2227 | * php-code to reflect the transition. |
| 2228 | * @return string |
| 2229 | */ |
| 2230 | function _pop_cacheable_state($type, $name) { |
| 2231 | $_cacheable = !isset($this->_plugins[$type][$name]) || $this->_plugins[$type][$name][4]; |
| 2232 | if ($_cacheable |
| 2233 | || --$this->_cacheable_state>0) return ''; |
| 2234 | return 'if ($this->caching && !$this->_cache_including) { echo \'{/nocache:' |
| 2235 | . $this->_cache_serial . '#' . ($this->_nocache_count++) |
| 2236 | . '}\';}'; |
| 2237 | } |
| 2238 | |
| 2239 | |
| 2240 | /** |
| 2241 | * push opening tag-name, file-name and line-number on the tag-stack |
| 2242 | * @param string the opening tag's name |
| 2243 | */ |
| 2244 | function _push_tag($open_tag) |
| 2245 | { |
| 2246 | array_push($this->_tag_stack, array($open_tag, $this->_current_line_no)); |
| 2247 | } |
| 2248 | |
| 2249 | /** |
| 2250 | * pop closing tag-name |
| 2251 | * raise an error if this stack-top doesn't match with the closing tag |
| 2252 | * @param string the closing tag's name |
| 2253 | * @return string the opening tag's name |
| 2254 | */ |
| 2255 | function _pop_tag($close_tag) |
| 2256 | { |
| 2257 | $message = ''; |
| 2258 | if (count($this->_tag_stack)>0) { |
| 2259 | list($_open_tag, $_line_no) = array_pop($this->_tag_stack); |
| 2260 | if ($close_tag == $_open_tag) { |
| 2261 | return $_open_tag; |
| 2262 | } |
| 2263 | if ($close_tag == 'if' && ($_open_tag == 'else' || $_open_tag == 'elseif' )) { |
| 2264 | return $this->_pop_tag($close_tag); |
| 2265 | } |
| 2266 | if ($close_tag == 'section' && $_open_tag == 'sectionelse') { |
| 2267 | $this->_pop_tag($close_tag); |
| 2268 | return $_open_tag; |
| 2269 | } |
| 2270 | if ($close_tag == 'foreach' && $_open_tag == 'foreachelse') { |
| 2271 | $this->_pop_tag($close_tag); |
| 2272 | return $_open_tag; |
| 2273 | } |
| 2274 | if ($_open_tag == 'else' || $_open_tag == 'elseif') { |
| 2275 | $_open_tag = 'if'; |
| 2276 | } elseif ($_open_tag == 'sectionelse') { |
| 2277 | $_open_tag = 'section'; |
| 2278 | } elseif ($_open_tag == 'foreachelse') { |
| 2279 | $_open_tag = 'foreach'; |
| 2280 | } |
| 2281 | $message = " expected {/$_open_tag} (opened line $_line_no)."; |
| 2282 | } |
| 2283 | $this->_syntax_error("mismatched tag {/$close_tag}.$message", |
| 2284 | E_USER_ERROR, __FILE__, __LINE__); |
| 2285 | } |
| 2286 | |
| 2287 | } |
| 2288 | |
| 2289 | /** |
| 2290 | * compare to values by their string length |
| 2291 | * |
| 2292 | * @access private |
| 2293 | * @param string $a |
| 2294 | * @param string $b |
| 2295 | * @return 0|-1|1 |
| 2296 | */ |
| 2297 | function _smarty_sort_length($a, $b) |
| 2298 | { |
| 2299 | if($a == $b) |
| 2300 | return 0; |
| 2301 | |
| 2302 | if(strlen($a) == strlen($b)) |
| 2303 | return ($a > $b) ? -1 : 1; |
| 2304 | |
| 2305 | return (strlen($a) > strlen($b)) ? -1 : 1; |
| 2306 | } |
| 2307 | |
| 2308 | |
| 2309 | /* vim: set et: */ |
| 2310 | |
| 2311 | ?> |