| 1 |
<?php |
| 2 |
|
| 3 |
/* |
| 4 |
* Project: Smarty: the PHP compiling template engine |
| 5 |
* File: Smarty_Compiler.class.php |
| 6 |
* Author: Monte Ohrt <monte@ispi.net> |
| 7 |
* Andrei Zmievski <andrei@php.net> |
| 8 |
* |
| 9 |
* Version: 2.3.0 |
| 10 |
* Copyright: 2001,2002 ispi of Lincoln, Inc. |
| 11 |
* |
| 12 |
* This library is free software; you can redistribute it and/or |
| 13 |
* modify it under the terms of the GNU Lesser General Public |
| 14 |
* License as published by the Free Software Foundation; either |
| 15 |
* version 2.1 of the License, or (at your option) any later version. |
| 16 |
* |
| 17 |
* This library is distributed in the hope that it will be useful, |
| 18 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 20 |
* Lesser General Public License for more details. |
| 21 |
* |
| 22 |
* You should have received a copy of the GNU Lesser General Public |
| 23 |
* License along with this library; if not, write to the Free Software |
| 24 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 25 |
* |
| 26 |
* You may contact the authors of Smarty by e-mail at: |
| 27 |
* monte@ispi.net |
| 28 |
* andrei@php.net |
| 29 |
* |
| 30 |
* Or, write to: |
| 31 |
* Monte Ohrt |
| 32 |
* Director of Technology, ispi |
| 33 |
* 237 S. 70th suite 220 |
| 34 |
* Lincoln, NE 68510 |
| 35 |
* |
| 36 |
* The latest version of Smarty can be obtained from: |
| 37 |
* http://www.phpinsider.com/ |
| 38 |
* |
| 39 |
*/ |
| 40 |
|
| 41 |
class Smarty_Compiler extends Smarty { |
| 42 |
|
| 43 |
// internal vars |
| 44 |
var $_sectionelse_stack = array(); // keeps track of whether section had 'else' part |
| 45 |
var $_foreachelse_stack = array(); // keeps track of whether foreach had 'else' part |
| 46 |
var $_literal_blocks = array(); // keeps literal template blocks |
| 47 |
var $_php_blocks = array(); // keeps php code blocks |
| 48 |
var $_current_file = null; // the current template being compiled |
| 49 |
var $_current_line_no = 1; // line number for error messages |
| 50 |
var $_capture_stack = array(); // keeps track of nested capture buffers |
| 51 |
var $_plugin_info = array(); // keeps track of plugins to load |
| 52 |
var $_init_smarty_vars = false; |
| 53 |
|
| 54 |
|
| 55 |
/*======================================================================*\ |
| 56 |
Function: _compile_file() |
| 57 |
Input: compile a template file |
| 58 |
\*======================================================================*/ |
| 59 |
function _compile_file($tpl_file, $template_source, &$template_compiled) |
| 60 |
{ |
| 61 |
if ($this->security) { |
| 62 |
// do not allow php syntax to be executed unless specified |
| 63 |
if ($this->php_handling == SMARTY_PHP_ALLOW && |
| 64 |
!$this->security_settings['PHP_HANDLING']) { |
| 65 |
$this->php_handling = SMARTY_PHP_PASSTHRU; |
| 66 |
} |
| 67 |
} |
| 68 |
|
| 69 |
$this->_load_filters(); |
| 70 |
|
| 71 |
$this->_current_file = $tpl_file; |
| 72 |
$this->_current_line_no = 1; |
| 73 |
$ldq = preg_quote($this->left_delimiter, '!'); |
| 74 |
$rdq = preg_quote($this->right_delimiter, '!'); |
| 75 |
|
| 76 |
// run template source through prefilter functions |
| 77 |
if (count($this->_plugins['prefilter']) > 0) { |
| 78 |
foreach ($this->_plugins['prefilter'] as $filter_name => $prefilter) { |
| 79 |
if ($prefilter === false) continue; |
| 80 |
if ($prefilter[3] || function_exists($prefilter[0])) { |
| 81 |
$template_source = $prefilter[0]($template_source, $this); |
| 82 |
$this->_plugins['prefilter'][$filter_name][3] = true; |
| 83 |
} else { |
| 84 |
$this->_trigger_plugin_error("Smarty plugin error: prefilter '$filter_name' is not implemented"); |
| 85 |
} |
| 86 |
} |
| 87 |
} |
| 88 |
|
| 89 |
/* Annihilate the comments. */ |
| 90 |
$template_source = preg_replace("!({$ldq})\*(.*?)\*({$rdq})!se", |
| 91 |
"'\\1*'.str_repeat(\"\n\", substr_count('\\2', \"\n\")) .'*\\3'", |
| 92 |
$template_source); |
| 93 |
|
| 94 |
/* Pull out the literal blocks. */ |
| 95 |
preg_match_all("!{$ldq}literal{$rdq}(.*?){$ldq}/literal{$rdq}!s", $template_source, $match); |
| 96 |
$this->_literal_blocks = $match[1]; |
| 97 |
$template_source = preg_replace("!{$ldq}literal{$rdq}(.*?){$ldq}/literal{$rdq}!s", |
| 98 |
$this->quote_replace($this->left_delimiter.'literal'.$this->right_delimiter), $template_source); |
| 99 |
|
| 100 |
/* Pull out the php code blocks. */ |
| 101 |
preg_match_all("!{$ldq}php{$rdq}(.*?){$ldq}/php{$rdq}!s", $template_source, $match); |
| 102 |
$this->_php_blocks = $match[1]; |
| 103 |
$template_source = preg_replace("!{$ldq}php{$rdq}(.*?){$ldq}/php{$rdq}!s", |
| 104 |
$this->quote_replace($this->left_delimiter.'php'.$this->right_delimiter), $template_source); |
| 105 |
|
| 106 |
/* Gather all template tags. */ |
| 107 |
preg_match_all("!{$ldq}\s*(.*?)\s*{$rdq}!s", $template_source, $match); |
| 108 |
$template_tags = $match[1]; |
| 109 |
/* Split content by template tags to obtain non-template content. */ |
| 110 |
$text_blocks = preg_split("!{$ldq}.*?{$rdq}!s", $template_source); |
| 111 |
|
| 112 |
/* loop through text blocks */ |
| 113 |
for ($curr_tb = 0, $for_max = count($text_blocks); $curr_tb < $for_max; $curr_tb++) { |
| 114 |
/* match anything within <? ?> */ |
| 115 |
if (preg_match_all('!(<\?[^?]*?\?>|<script\s+language\s*=\s*[\"\']?php[\"\']?\s*>)!is', $text_blocks[$curr_tb], $sp_match)) { |
| 116 |
/* found at least one match, loop through each one */ |
| 117 |
for ($curr_sp = 0, $for_max2 = count($sp_match[0]); $curr_sp < $for_max2; $curr_sp++) { |
| 118 |
if (preg_match('!^(<\?(php\s|\s|=\s)|<script\s*language\s*=\s*[\"\']?php[\"\']?\s*>)!is', $sp_match[0][$curr_sp])) { |
| 119 |
/* php tag */ |
| 120 |
if ($this->php_handling == SMARTY_PHP_PASSTHRU) { |
| 121 |
/* echo php contents */ |
| 122 |
$text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], '<?php echo \''.str_replace("'", "\'", $sp_match[0][$curr_sp]).'\'; ?>'."\n", $text_blocks[$curr_tb]); |
| 123 |
} else if ($this->php_handling == SMARTY_PHP_QUOTE) { |
| 124 |
/* quote php tags */ |
| 125 |
$text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], htmlspecialchars($sp_match[0][$curr_sp]), $text_blocks[$curr_tb]); |
| 126 |
} else if ($this->php_handling == SMARTY_PHP_REMOVE) { |
| 127 |
/* remove php tags */ |
| 128 |
if (substr($sp_match[0][$curr_sp], 0, 2) == '<?') |
| 129 |
$text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], '', $text_blocks[$curr_tb]); |
| 130 |
else |
| 131 |
/* attempt to remove everything between <script ...> and </script> */ |
| 132 |
$text_blocks[$curr_tb] = preg_replace('!'.preg_quote($sp_match[0][$curr_sp], '!').'.*?</script\s*>!is', '', $text_blocks[$curr_tb]); |
| 133 |
} |
| 134 |
} else |
| 135 |
/* echo the non-php tags */ |
| 136 |
$text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], '<?php echo \''.str_replace("'", "\'", $sp_match[0][$curr_sp]).'\'; ?>'."\n", $text_blocks[$curr_tb]); |
| 137 |
} |
| 138 |
} |
| 139 |
} |
| 140 |
|
| 141 |
/* Compile the template tags into PHP code. */ |
| 142 |
$compiled_tags = array(); |
| 143 |
for ($i = 0, $for_max = count($template_tags); $i < $for_max; $i++) { |
| 144 |
$this->_current_line_no += substr_count($text_blocks[$i], "\n"); |
| 145 |
$compiled_tags[] = $this->_compile_tag($template_tags[$i]); |
| 146 |
$this->_current_line_no += substr_count($template_tags[$i], "\n"); |
| 147 |
} |
| 148 |
|
| 149 |
$template_compiled = ''; |
| 150 |
|
| 151 |
/* Interleave the compiled contents and text blocks to get the final result. */ |
| 152 |
for ($i = 0, $for_max = count($compiled_tags); $i < $for_max; $i++) { |
| 153 |
$template_compiled .= $text_blocks[$i].$compiled_tags[$i]; |
| 154 |
} |
| 155 |
$template_compiled .= $text_blocks[$i]; |
| 156 |
|
| 157 |
/* Reformat data between 'strip' and '/strip' tags, removing spaces, tabs and newlines. */ |
| 158 |
if (preg_match_all("!{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}!s", $template_compiled, $match)) { |
| 159 |
$strip_tags = $match[0]; |
| 160 |
$strip_tags_modified = preg_replace("!{$ldq}/?strip{$rdq}|[\t ]+$|^[\t ]+!m", '', $strip_tags); |
| 161 |
$strip_tags_modified = preg_replace('![\r\n]+!m', '', $strip_tags_modified); |
| 162 |
for ($i = 0, $for_max = count($strip_tags); $i < $for_max; $i++) |
| 163 |
$template_compiled = preg_replace("!{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}!s", |
| 164 |
$this->quote_replace($strip_tags_modified[$i]), |
| 165 |
$template_compiled, 1); |
| 166 |
} |
| 167 |
|
| 168 |
// remove \n from the end of the file, if any |
| 169 |
if ($template_compiled{strlen($template_compiled) - 1} == "\n" ) { |
| 170 |
$template_compiled = substr($template_compiled, 0, -1); |
| 171 |
} |
| 172 |
|
| 173 |
// run compiled template through postfilter functions |
| 174 |
if (count($this->_plugins['postfilter']) > 0) { |
| 175 |
foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) { |
| 176 |
if ($postfilter === false) continue; |
| 177 |
if ($postfilter[3] || function_exists($postfilter[0])) { |
| 178 |
$template_compiled = $postfilter[0]($template_compiled, $this); |
| 179 |
$this->_plugins['postfilter'][$filter_name][3] = true; |
| 180 |
} else { |
| 181 |
$this->_trigger_plugin_error("Smarty plugin error: postfilter '$filter_name' is not implemented"); |
| 182 |
} |
| 183 |
} |
| 184 |
} |
| 185 |
|
| 186 |
// put header at the top of the compiled template |
| 187 |
$template_header = "<?php /* Smarty version ".$this->_version.", created on ".strftime("%Y-%m-%d %H:%M:%S")."\n"; |
| 188 |
$template_header .= " compiled from ".$tpl_file." */ ?>\n"; |
| 189 |
|
| 190 |
/* Emit code to load needed plugins. */ |
| 191 |
if (count($this->_plugin_info)) { |
| 192 |
$plugins_code = '<?php $this->_load_plugins(array('; |
| 193 |
foreach ($this->_plugin_info as $plugin_type => $plugins) { |
| 194 |
foreach ($plugins as $plugin_name => $plugin_info) { |
| 195 |
$plugins_code .= "\narray('$plugin_type', '$plugin_name', '$plugin_info[0]', $plugin_info[1], "; |
| 196 |
$plugins_code .= $plugin_info[2] ? 'true),' : 'false),'; |
| 197 |
} |
| 198 |
} |
| 199 |
$plugins_code .= ")); ?>"; |
| 200 |
$template_header .= $plugins_code; |
| 201 |
$this->_plugin_info = array(); |
| 202 |
} |
| 203 |
|
| 204 |
if ($this->_init_smarty_vars) { |
| 205 |
$template_header .= "<?php \$this->_assign_smarty_interface(); ?>\n"; |
| 206 |
$this->_init_smarty_vars = false; |
| 207 |
} |
| 208 |
|
| 209 |
$template_compiled = $template_header . $template_compiled; |
| 210 |
|
| 211 |
return true; |
| 212 |
} |
| 213 |
|
| 214 |
|
| 215 |
/*======================================================================*\ |
| 216 |
Function: _compile_tag |
| 217 |
Purpose: Compile a template tag |
| 218 |
\*======================================================================*/ |
| 219 |
function _compile_tag($template_tag) |
| 220 |
{ |
| 221 |
/* Matched comment. */ |
| 222 |
if ($template_tag{0} == '*' && $template_tag{strlen($template_tag) - 1} == '*') |
| 223 |
return ''; |
| 224 |
|
| 225 |
$qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\''; |
| 226 |
|
| 227 |
/* Split tag into two parts: command and the arguments. */ |
| 228 |
preg_match('/^( |
| 229 |
(?: ' . $qstr_regexp . ' | (?>[^"\'\s]+))+ |
| 230 |
) |
| 231 |
(?:\s+(.*))? |
| 232 |
/xs', $template_tag, $match); |
| 233 |
$tag_command = $match[1]; |
| 234 |
$tag_args = isset($match[2]) ? $match[2] : ''; |
| 235 |
|
| 236 |
/* If the tag name matches a variable or section property definition, |
| 237 |
we simply process it. */ |
| 238 |
if (preg_match('!^\$\w+(?>(\[(\d+|\$\w+|\w+(\.\w+)?)\])|((\.|->)\$?\w+))*(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tag_command) || // if a variable |
| 239 |
preg_match('!^#(\w+)#(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tag_command) || // or a configuration variable |
| 240 |
preg_match('!^%\w+\.\w+%(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tag_command)) { // or a section property |
| 241 |
settype($tag_command, 'array'); |
| 242 |
$this->_parse_vars_props($tag_command); |
| 243 |
return "<?php echo $tag_command[0]; ?>\n"; |
| 244 |
} |
| 245 |
|
| 246 |
switch ($tag_command) { |
| 247 |
case 'include': |
| 248 |
return $this->_compile_include_tag($tag_args); |
| 249 |
|
| 250 |
case 'include_php': |
| 251 |
return $this->_compile_include_php_tag($tag_args); |
| 252 |
|
| 253 |
case 'if': |
| 254 |
return $this->_compile_if_tag($tag_args); |
| 255 |
|
| 256 |
case 'else': |
| 257 |
return '<?php else: ?>'; |
| 258 |
|
| 259 |
case 'elseif': |
| 260 |
return $this->_compile_if_tag($tag_args, true); |
| 261 |
|
| 262 |
case '/if': |
| 263 |
return '<?php endif; ?>'; |
| 264 |
|
| 265 |
case 'capture': |
| 266 |
return $this->_compile_capture_tag(true, $tag_args); |
| 267 |
|
| 268 |
case '/capture': |
| 269 |
return $this->_compile_capture_tag(false); |
| 270 |
|
| 271 |
case 'ldelim': |
| 272 |
return $this->left_delimiter; |
| 273 |
|
| 274 |
case 'rdelim': |
| 275 |
return $this->right_delimiter; |
| 276 |
|
| 277 |
case 'section': |
| 278 |
array_push($this->_sectionelse_stack, false); |
| 279 |
return $this->_compile_section_start($tag_args); |
| 280 |
|
| 281 |
case 'sectionelse': |
| 282 |
$this->_sectionelse_stack[count($this->_sectionelse_stack)-1] = true; |
| 283 |
return "<?php endfor; else: ?>"; |
| 284 |
|
| 285 |
case '/section': |
| 286 |
if (array_pop($this->_sectionelse_stack)) |
| 287 |
return "<?php endif; ?>"; |
| 288 |
else |
| 289 |
return "<?php endfor; endif; ?>"; |
| 290 |
|
| 291 |
case 'foreach': |
| 292 |
array_push($this->_foreachelse_stack, false); |
| 293 |
return $this->_compile_foreach_start($tag_args); |
| 294 |
break; |
| 295 |
|
| 296 |
case 'foreachelse': |
| 297 |
$this->_foreachelse_stack[count($this->_foreachelse_stack)-1] = true; |
| 298 |
return "<?php endforeach; else: ?>"; |
| 299 |
|
| 300 |
case '/foreach': |
| 301 |
if (array_pop($this->_foreachelse_stack)) |
| 302 |
return "<?php endif; ?>"; |
| 303 |
else |
| 304 |
return "<?php endforeach; endif; ?>"; |
| 305 |
|
| 306 |
case 'config_load': |
| 307 |
return $this->_compile_config_load_tag($tag_args); |
| 308 |
|
| 309 |
case 'strip': |
| 310 |
case '/strip': |
| 311 |
return $this->left_delimiter.$tag_command.$this->right_delimiter; |
| 312 |
|
| 313 |
case 'literal': |
| 314 |
list (,$literal_block) = each($this->_literal_blocks); |
| 315 |
$this->_current_line_no += substr_count($literal_block, "\n"); |
| 316 |
return "<?php echo '".str_replace("'", "\'", str_replace("\\", "\\\\", $literal_block))."'; ?>\n"; |
| 317 |
|
| 318 |
case 'php': |
| 319 |
if ($this->security && !$this->security_settings['PHP_TAGS']) { |
| 320 |
$this->_syntax_error("(secure mode) php tags not permitted", E_USER_WARNING); |
| 321 |
return; |
| 322 |
} |
| 323 |
list (,$php_block) = each($this->_php_blocks); |
| 324 |
$this->_current_line_no += substr_count($php_block, "\n"); |
| 325 |
return '<?php '.$php_block.' ?>'; |
| 326 |
|
| 327 |
case 'insert': |
| 328 |
return $this->_compile_insert_tag($tag_args); |
| 329 |
|
| 330 |
default: |
| 331 |
if ($this->_compile_compiler_tag($tag_command, $tag_args, $output)) { |
| 332 |
return $output; |
| 333 |
} else if ($this->_compile_block_tag($tag_command, $tag_args, $output)) { |
| 334 |
return $output; |
| 335 |
} else { |
| 336 |
return $this->_compile_custom_tag($tag_command, $tag_args); |
| 337 |
} |
| 338 |
} |
| 339 |
} |
| 340 |
|
| 341 |
|
| 342 |
/*======================================================================*\ |
| 343 |
Function: _compile_compiler_tag |
| 344 |
Purpose: compile the custom compiler tag |
| 345 |
\*======================================================================*/ |
| 346 |
function _compile_compiler_tag($tag_command, $tag_args, &$output) |
| 347 |
{ |
| 348 |
$found = false; |
| 349 |
$have_function = true; |
| 350 |
|
| 351 |
/* |
| 352 |
* First we check if the compiler function has already been registered |
| 353 |
* or loaded from a plugin file. |
| 354 |
*/ |
| 355 |
if (isset($this->_plugins['compiler'][$tag_command])) { |
| 356 |
$found = true; |
| 357 |
$plugin_func = $this->_plugins['compiler'][$tag_command][0]; |
| 358 |
if (!function_exists($plugin_func)) { |
| 359 |
$message = "compiler function '$tag_command' is not implemented"; |
| 360 |
$have_function = false; |
| 361 |
} |
| 362 |
} |
| 363 |
/* |
| 364 |
* Otherwise we need to load plugin file and look for the function |
| 365 |
* inside it. |
| 366 |
*/ |
| 367 |
else if ($plugin_file = $this->_get_plugin_filepath('compiler', $tag_command)) { |
| 368 |
$found = true; |
| 369 |
|
| 370 |
include_once $plugin_file; |
| 371 |
|
| 372 |
$plugin_func = 'smarty_compiler_' . $tag_command; |
| 373 |
if (!function_exists($plugin_func)) { |
| 374 |
$message = "plugin function $plugin_func() not found in $plugin_file\n"; |
| 375 |
$have_function = false; |
| 376 |
} else { |
| 377 |
$this->_plugins['compiler'][$tag_command] = array($plugin_func, null, null); |
| 378 |
} |
| 379 |
} |
| 380 |
|
| 381 |
/* |
| 382 |
* True return value means that we either found a plugin or a |
| 383 |
* dynamically registered function. False means that we didn't and the |
| 384 |
* compiler should now emit code to load custom function plugin for this |
| 385 |
* tag. |
| 386 |
*/ |
| 387 |
if ($found) { |
| 388 |
if ($have_function) { |
| 389 |
$output = '<?php ' . $plugin_func($tag_args, $this) . ' ?>'; |
| 390 |
} else { |
| 391 |
$this->_syntax_error($message, E_USER_WARNING); |
| 392 |
} |
| 393 |
return true; |
| 394 |
} else { |
| 395 |
return false; |
| 396 |
} |
| 397 |
} |
| 398 |
|
| 399 |
|
| 400 |
/*======================================================================*\ |
| 401 |
Function: _compile_block_tag |
| 402 |
Purpose: compile block function tag |
| 403 |
\*======================================================================*/ |
| 404 |
function _compile_block_tag($tag_command, $tag_args, &$output) |
| 405 |
{ |
| 406 |
if ($tag_command{0} == '/') { |
| 407 |
$start_tag = false; |
| 408 |
$tag_command = substr($tag_command, 1); |
| 409 |
} else |
| 410 |
$start_tag = true; |
| 411 |
|
| 412 |
$found = false; |
| 413 |
$have_function = true; |
| 414 |
|
| 415 |
/* |
| 416 |
* First we check if the block function has already been registered |
| 417 |
* or loaded from a plugin file. |
| 418 |
*/ |
| 419 |
if (isset($this->_plugins['block'][$tag_command])) { |
| 420 |
$found = true; |
| 421 |
$plugin_func = $this->_plugins['block'][$tag_command][0]; |
| 422 |
if (!function_exists($plugin_func)) { |
| 423 |
$message = "block function '$tag_command' is not implemented"; |
| 424 |
$have_function = false; |
| 425 |
} |
| 426 |
} |
| 427 |
/* |
| 428 |
* Otherwise we need to load plugin file and look for the function |
| 429 |
* inside it. |
| 430 |
*/ |
| 431 |
else if ($plugin_file = $this->_get_plugin_filepath('block', $tag_command)) { |
| 432 |
$found = true; |
| 433 |
|
| 434 |
include_once $plugin_file; |
| 435 |
|
| 436 |
$plugin_func = 'smarty_block_' . $tag_command; |
| 437 |
if (!function_exists($plugin_func)) { |
| 438 |
$message = "plugin function $plugin_func() not found in $plugin_file\n"; |
| 439 |
$have_function = false; |
| 440 |
} else { |
| 441 |
$this->_plugins['block'][$tag_command] = array($plugin_func, null, null); |
| 442 |
} |
| 443 |
} |
| 444 |
|
| 445 |
if (!$found) { |
| 446 |
return false; |
| 447 |
} else if (!$have_function) { |
| 448 |
$this->_syntax_error($message, E_USER_WARNING); |
| 449 |
return true; |
| 450 |
} |
| 451 |
|
| 452 |
/* |
| 453 |
* Even though we've located the plugin function, compilation |
| 454 |
* happens only once, so the plugin will still need to be loaded |
| 455 |
* at runtime for future requests. |
| 456 |
*/ |
| 457 |
$this->_add_plugin('block', $tag_command); |
| 458 |
|
| 459 |
if ($start_tag) { |
| 460 |
$arg_list = array(); |
| 461 |
$attrs = $this->_parse_attrs($tag_args); |
| 462 |
foreach ($attrs as $arg_name => $arg_value) { |
| 463 |
if (is_bool($arg_value)) |
| 464 |
$arg_value = $arg_value ? 'true' : 'false'; |
| 465 |
$arg_list[] = "'$arg_name' => $arg_value"; |
| 466 |
} |
| 467 |
|
| 468 |
$output = "<?php \$this->_tag_stack[] = array('$tag_command', array(".implode(',', (array)$arg_list).")); \$this->_plugins['block']['$tag_command'][0](array(".implode(',', (array)$arg_list)."), null, \$this); ob_start(); ?>"; |
| 469 |
} else { |
| 470 |
$output = "<?php \$this->_block_content = ob_get_contents(); ob_end_clean(); \$this->_plugins['block']['$tag_command'][0](\$this->_tag_stack[count(\$this->_tag_stack)-1][1], \$this->_block_content, \$this); array_pop(\$this->_tag_stack); ?>"; |
| 471 |
} |
| 472 |
|
| 473 |
return true; |
| 474 |
} |
| 475 |
|
| 476 |
|
| 477 |
/*======================================================================*\ |
| 478 |
Function: _compile_custom_tag |
| 479 |
Purpose: compile custom function tag |
| 480 |
\*======================================================================*/ |
| 481 |
function _compile_custom_tag($tag_command, $tag_args) |
| 482 |
{ |
| 483 |
$this->_add_plugin('function', $tag_command); |
| 484 |
|
| 485 |
$arg_list = array(); |
| 486 |
$attrs = $this->_parse_attrs($tag_args); |
| 487 |
foreach ($attrs as $arg_name => $arg_value) { |
| 488 |
if (is_bool($arg_value)) |
| 489 |
$arg_value = $arg_value ? 'true' : 'false'; |
| 490 |
$arg_list[] = "'$arg_name' => $arg_value"; |
| 491 |
} |
| 492 |
|
| 493 |
return "<?php \$this->_plugins['function']['$tag_command'][0](array(".implode(',', (array)$arg_list)."), \$this); if(\$this->_extract) { extract(\$this->_tpl_vars); \$this->_extract=false; } ?>"; |
| 494 |
} |
| 495 |
|
| 496 |
|
| 497 |
/*======================================================================*\ |
| 498 |
Function: _compile_insert_tag |
| 499 |
Purpose: Compile {insert ...} tag |
| 500 |
\*======================================================================*/ |
| 501 |
function _compile_insert_tag($tag_args) |
| 502 |
{ |
| 503 |
$attrs = $this->_parse_attrs($tag_args); |
| 504 |
$name = $this->_dequote($attrs['name']); |
| 505 |
|
| 506 |
if (empty($name)) { |
| 507 |
$this->_syntax_error("missing insert name"); |
| 508 |
} |
| 509 |
|
| 510 |
if (!empty($attrs['script'])) { |
| 511 |
$delayed_loading = true; |
| 512 |
} |
| 513 |
|
| 514 |
foreach ($attrs as $arg_name => $arg_value) { |
| 515 |
if (is_bool($arg_value)) |
| 516 |
$arg_value = $arg_value ? 'true' : 'false'; |
| 517 |
$arg_list[] = "'$arg_name' => $arg_value"; |
| 518 |
} |
| 519 |
|
| 520 |
$this->_add_plugin('insert', $name, $delayed_loading); |
| 521 |
|
| 522 |
return "<?php echo \$this->_run_insert_handler(array(".implode(', ', (array)$arg_list).")); ?>\n"; |
| 523 |
} |
| 524 |
|
| 525 |
|
| 526 |
/*======================================================================*\ |
| 527 |
Function: _compile_config_load_tag |
| 528 |
Purpose: Compile {config_load ...} tag |
| 529 |
\*======================================================================*/ |
| 530 |
function _compile_config_load_tag($tag_args) |
| 531 |
{ |
| 532 |
$attrs = $this->_parse_attrs($tag_args); |
| 533 |
|
| 534 |
if (empty($attrs['file'])) { |
| 535 |
$this->_syntax_error("missing 'file' attribute in config_load tag"); |
| 536 |
} |
| 537 |
|
| 538 |
if (empty($attrs['section'])) { |
| 539 |
$attrs['section'] = 'null'; |
| 540 |
} |
| 541 |
|
| 542 |
$scope = @$this->_dequote($attrs['scope']); |
| 543 |
if (!empty($scope)) { |
| 544 |
if ($scope != 'local' && |
| 545 |
$scope != 'parent' && |
| 546 |
$scope != 'global') { |
| 547 |
$this->_syntax_error("invalid 'scope' attribute value"); |
| 548 |
} |
| 549 |
} else { |
| 550 |
if (!empty($attrs['global']) && $attrs['global']) |
| 551 |
$scope = 'parent'; |
| 552 |
else |
| 553 |
$scope = 'local'; |
| 554 |
} |
| 555 |
|
| 556 |
$output = '<?php $this->_config_load(' . $attrs['file'] . ', ' . $attrs['section'] . ", '$scope'); ?>"; |
| 557 |
|
| 558 |
return $output; |
| 559 |
} |
| 560 |
|
| 561 |
|
| 562 |
/*======================================================================*\ |
| 563 |
Function: _compile_include_tag |
| 564 |
Purpose: Compile {include ...} tag |
| 565 |
\*======================================================================*/ |
| 566 |
function _compile_include_tag($tag_args) |
| 567 |
{ |
| 568 |
$attrs = $this->_parse_attrs($tag_args); |
| 569 |
$arg_list = array(); |
| 570 |
|
| 571 |
if (empty($attrs['file'])) { |
| 572 |
$this->_syntax_error("missing 'file' attribute in include tag"); |
| 573 |
} |
| 574 |
|
| 575 |
foreach ($attrs as $arg_name => $arg_value) { |
| 576 |
if ($arg_name == 'file') { |
| 577 |
$include_file = $arg_value; |
| 578 |
continue; |
| 579 |
} else if ($arg_name == 'assign') { |
| 580 |
$assign_var = $arg_value; |
| 581 |
continue; |
| 582 |
} |
| 583 |
if (is_bool($arg_value)) |
| 584 |
$arg_value = $arg_value ? 'true' : 'false'; |
| 585 |
$arg_list[] = "'$arg_name' => $arg_value"; |
| 586 |
} |
| 587 |
|
| 588 |
$output = '<?php '; |
| 589 |
|
| 590 |
if (isset($assign_var)) { |
| 591 |
$output .= "ob_start();\n"; |
| 592 |
} |
| 593 |
|
| 594 |
$output .= |
| 595 |
"\$_smarty_tpl_vars = \$this->_tpl_vars;\n" . |
| 596 |
"\$this->_smarty_include(".$include_file.", array(".implode(',', (array)$arg_list)."));\n" . |
| 597 |
"\$this->_tpl_vars = \$_smarty_tpl_vars;\n" . |
| 598 |
"unset(\$_smarty_tpl_vars);\n"; |
| 599 |
|
| 600 |
if (isset($assign_var)) { |
| 601 |
$output .= "\$this->assign(" . $assign_var . ", ob_get_contents()); ob_end_clean();\n"; |
| 602 |
} |
| 603 |
|
| 604 |
$output .= ' ?>'; |
| 605 |
|
| 606 |
return $output; |
| 607 |
|
| 608 |
} |
| 609 |
|
| 610 |
/*======================================================================*\ |
| 611 |
Function: _compile_include_php_tag |
| 612 |
Purpose: Compile {include ...} tag |
| 613 |
\*======================================================================*/ |
| 614 |
function _compile_include_php_tag($tag_args) |
| 615 |
{ |
| 616 |
$attrs = $this->_parse_attrs($tag_args); |
| 617 |
|
| 618 |
if (empty($attrs['file'])) { |
| 619 |
$this->_syntax_error("missing 'file' attribute in include_php tag"); |
| 620 |
} |
| 621 |
|
| 622 |
$assign_var = $this->_dequote($attrs['assign']); |
| 623 |
|
| 624 |
$once_var = ( $attrs['once'] === false ) ? 'false' : 'true'; |
| 625 |
|
| 626 |
return "<?php \$this->_smarty_include_php($attrs[file], '$assign_var', $once_var); ?>"; |
| 627 |
} |
| 628 |
|
| 629 |
|
| 630 |
/*======================================================================*\ |
| 631 |
Function: _compile_section_start |
| 632 |
Purpose: Compile {section ...} tag |
| 633 |
\*======================================================================*/ |
| 634 |
function _compile_section_start($tag_args) |
| 635 |
{ |
| 636 |
$attrs = $this->_parse_attrs($tag_args); |
| 637 |
$arg_list = array(); |
| 638 |
|
| 639 |
$output = "<?php "; |
| 640 |
$section_name = $attrs['name']; |
| 641 |
if (empty($section_name)) { |
| 642 |
$this->_syntax_error("missing section name"); |
| 643 |
} |
| 644 |
|
| 645 |
$output .= "if (isset(\$this->_sections[$section_name])) unset(\$this->_sections[$section_name]);\n"; |
| 646 |
$section_props = "\$this->_sections[$section_name]"; |
| 647 |
|
| 648 |
foreach ($attrs as $attr_name => $attr_value) { |
| 649 |
switch ($attr_name) { |
| 650 |
case 'loop': |
| 651 |
$output .= "{$section_props}['loop'] = is_array($attr_value) ? count($attr_value) : max(0, (int)$attr_value);\n"; |
| 652 |
break; |
| 653 |
|
| 654 |
case 'show': |
| 655 |
if (is_bool($attr_value)) |
| 656 |
$show_attr_value = $attr_value ? 'true' : 'false'; |
| 657 |
else |
| 658 |
$show_attr_value = "(bool)$attr_value"; |
| 659 |
$output .= "{$section_props}['show'] = $show_attr_value;\n"; |
| 660 |
break; |
| 661 |
|
| 662 |
case 'name': |
| 663 |
$output .= "{$section_props}['$attr_name'] = $attr_value;\n"; |
| 664 |
break; |
| 665 |
|
| 666 |
case 'max': |
| 667 |
case 'start': |
| 668 |
$output .= "{$section_props}['$attr_name'] = (int)$attr_value;\n"; |
| 669 |
break; |
| 670 |
|
| 671 |
case 'step': |
| 672 |
$output .= "{$section_props}['$attr_name'] = ((int)$attr_value) == 0 ? 1 : (int)$attr_value;\n"; |
| 673 |
break; |
| 674 |
|
| 675 |
default: |
| 676 |
$this->_syntax_error("unknown section attribute - '$attr_name'"); |
| 677 |
break; |
| 678 |
} |
| 679 |
} |
| 680 |
|
| 681 |
if (!isset($attrs['show'])) |
| 682 |
$output .= "{$section_props}['show'] = true;\n"; |
| 683 |
|
| 684 |
if (!isset($attrs['loop'])) |
| 685 |
$output .= "{$section_props}['loop'] = 1;\n"; |
| 686 |
|
| 687 |
if (!isset($attrs['max'])) |
| 688 |
$output .= "{$section_props}['max'] = {$section_props}['loop'];\n"; |
| 689 |
else |
| 690 |
$output .= "if ({$section_props}['max'] < 0)\n" . |
| 691 |
" {$section_props}['max'] = {$section_props}['loop'];\n"; |
| 692 |
|
| 693 |
if (!isset($attrs['step'])) |
| 694 |
$output .= "{$section_props}['step'] = 1;\n"; |
| 695 |
|
| 696 |
if (!isset($attrs['start'])) |
| 697 |
$output .= "{$section_props}['start'] = {$section_props}['step'] > 0 ? 0 : {$section_props}['loop']-1;\n"; |
| 698 |
else { |
| 699 |
$output .= "if ({$section_props}['start'] < 0)\n" . |
| 700 |
" {$section_props}['start'] = max({$section_props}['step'] > 0 ? 0 : -1, {$section_props}['loop'] + {$section_props}['start']);\n" . |
| 701 |
"else\n" . |
| 702 |
" {$section_props}['start'] = min({$section_props}['start'], {$section_props}['step'] > 0 ? {$section_props}['loop'] : {$section_props}['loop']-1);\n"; |
| 703 |
} |
| 704 |
|
| 705 |
$output .= "if ({$section_props}['show']) {\n"; |
| 706 |
if (!isset($attrs['start']) && !isset($attrs['step']) && !isset($attrs['max'])) { |
| 707 |
$output .= " {$section_props}['total'] = {$section_props}['loop'];\n"; |
| 708 |
} else { |
| 709 |
$output .= " {$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"; |
| 710 |
} |
| 711 |
$output .= " if ({$section_props}['total'] == 0)\n" . |
| 712 |
" {$section_props}['show'] = false;\n" . |
| 713 |
"} else\n" . |
| 714 |
" {$section_props}['total'] = 0;\n"; |
| 715 |
|
| 716 |
$output .= "if ({$section_props}['show']):\n"; |
| 717 |
$output .= " |
| 718 |
for ({$section_props}['index'] = {$section_props}['start'], {$section_props}['iteration'] = 1; |
| 719 |
{$section_props}['iteration'] <= {$section_props}['total']; |
| 720 |
{$section_props}['index'] += {$section_props}['step'], {$section_props}['iteration']++):\n"; |
| 721 |
$output .= "{$section_props}['rownum'] = {$section_props}['iteration'];\n"; |
| 722 |
$output .= "{$section_props}['index_prev'] = {$section_props}['index'] - {$section_props}['step'];\n"; |
| 723 |
$output .= "{$section_props}['index_next'] = {$section_props}['index'] + {$section_props}['step'];\n"; |
| 724 |
$output .= "{$section_props}['first'] = ({$section_props}['iteration'] == 1);\n"; |
| 725 |
$output .= "{$section_props}['last'] = ({$section_props}['iteration'] == {$section_props}['total']);\n"; |
| 726 |
|
| 727 |
$output .= "?>"; |
| 728 |
|
| 729 |
return $output; |
| 730 |
} |
| 731 |
|
| 732 |
|
| 733 |
/*======================================================================*\ |
| 734 |
Function: _compile_foreach_start |
| 735 |
Purpose: Compile {foreach ...} tag |
| 736 |
\*======================================================================*/ |
| 737 |
function _compile_foreach_start($tag_args) |
| 738 |
{ |
| 739 |
$attrs = $this->_parse_attrs($tag_args); |
| 740 |
$arg_list = array(); |
| 741 |
|
| 742 |
if (empty($attrs['from'])) { |
| 743 |
$this->_syntax_error("missing 'from' attribute"); |
| 744 |
} |
| 745 |
|
| 746 |
if (empty($attrs['item'])) { |
| 747 |
$this->_syntax_error("missing 'item' attribute"); |
| 748 |
} |
| 749 |
|
| 750 |
$from = $attrs['from']; |
| 751 |
$item = $this->_dequote($attrs['item']); |
| 752 |
if (isset($attrs['name'])) |
| 753 |
$name = $attrs['name']; |
| 754 |
|
| 755 |
$output = '<?php '; |
| 756 |
if (isset($name)) { |
| 757 |
$output .= "if (isset(\$this->_foreach[$name])) unset(\$this->_foreach[$name]);\n"; |
| 758 |
$foreach_props = "\$this->_foreach[$name]"; |
| 759 |
} |
| 760 |
|
| 761 |
$key_part = ''; |
| 762 |
|
| 763 |
foreach ($attrs as $attr_name => $attr_value) { |
| 764 |
switch ($attr_name) { |
| 765 |
case 'key': |
| 766 |
$key = $this->_dequote($attrs['key']); |
| 767 |
$key_part = "\$this->_tpl_vars['$key'] => "; |
| 768 |
break; |
| 769 |
|
| 770 |
case 'name': |
| 771 |
$output .= "{$foreach_props}['$attr_name'] = $attr_value;\n"; |
| 772 |
break; |
| 773 |
} |
| 774 |
} |
| 775 |
|
| 776 |
if (isset($name)) { |
| 777 |
$output .= "{$foreach_props}['total'] = count((array)$from);\n"; |
| 778 |
$output .= "{$foreach_props}['show'] = {$foreach_props}['total'] > 0;\n"; |
| 779 |
$output .= "if ({$foreach_props}['show']):\n"; |
| 780 |
$output .= "{$foreach_props}['iteration'] = 0;\n"; |
| 781 |
$output .= " foreach ((array)$from as $key_part\$this->_tpl_vars['$item']):\n"; |
| 782 |
$output .= " {$foreach_props}['iteration']++;\n"; |
| 783 |
$output .= " {$foreach_props}['first'] = ({$foreach_props}['iteration'] == 1);\n"; |
| 784 |
$output .= " {$foreach_props}['last'] = ({$foreach_props}['iteration'] == {$foreach_props}['total']);\n"; |
| 785 |
} else { |
| 786 |
$output .= "if (count((array)$from)):\n"; |
| 787 |
$output .= " foreach ((array)$from as $key_part\$this->_tpl_vars['$item']):\n"; |
| 788 |
} |
| 789 |
$output .= '?>'; |
| 790 |
|
| 791 |
return $output; |
| 792 |
} |
| 793 |
|
| 794 |
|
| 795 |
/*======================================================================*\ |
| 796 |
Function: _compile_capture_tag |
| 797 |
Purpose: Compile {capture} .. {/capture} tags |
| 798 |
\*======================================================================*/ |
| 799 |
function _compile_capture_tag($start, $tag_args = '') |
| 800 |
{ |
| 801 |
$attrs = $this->_parse_attrs($tag_args); |
| 802 |
|
| 803 |
if ($start) { |
| 804 |
if (isset($attrs['name'])) |
| 805 |
$buffer = $attrs['name']; |
| 806 |
else |
| 807 |
$buffer = "'default'"; |
| 808 |
|
| 809 |
$output = "<?php ob_start(); ?>"; |
| 810 |
$this->_capture_stack[] = $buffer; |
| 811 |
} else { |
| 812 |
$buffer = array_pop($this->_capture_stack); |
| 813 |
$output = "<?php \$this->_smarty_vars['capture'][$buffer] = ob_get_contents(); ob_end_clean(); ?>"; |
| 814 |
} |
| 815 |
|
| 816 |
return $output; |
| 817 |
} |
| 818 |
|
| 819 |
|
| 820 |
/*======================================================================*\ |
| 821 |
Function: _compile_if_tag |
| 822 |
Purpose: Compile {if ...} tag |
| 823 |
\*======================================================================*/ |
| 824 |
function _compile_if_tag($tag_args, $elseif = false) |
| 825 |
{ |
| 826 |
/* Tokenize args for 'if' tag. */ |
| 827 |
preg_match_all('/(?: |
| 828 |
"[^"\\\\]*(?:\\\\.[^"\\\\]*)*" | # match all double quoted strings allowing escaped double quotes |
| 829 |
\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\' | # match all single quoted strings allowing escaped single quotes |
| 830 |
[(),] | # match parentheses and commas |
| 831 |
[^\s(),]+ # match any other token that is not any of the above |
| 832 |
)/x', $tag_args, $match); |
| 833 |
$tokens = $match[0]; |
| 834 |
|
| 835 |
$this->_parse_vars_props($tokens); |
| 836 |
|
| 837 |
$is_arg_stack = array(); |
| 838 |
|
| 839 |
for ($i = 0, $for_max = count($tokens); $i < $for_max; $i++) { |
| 840 |
|
| 841 |
$token = &$tokens[$i]; |
| 842 |
switch ($token) { |
| 843 |
case 'eq': |
| 844 |
$token = '=='; |
| 845 |
break; |
| 846 |
|
| 847 |
case 'ne': |
| 848 |
case 'neq': |
| 849 |
$token = '!='; |
| 850 |
break; |
| 851 |
|
| 852 |
case 'lt': |
| 853 |
$token = '<'; |
| 854 |
break; |
| 855 |
|
| 856 |
case 'le': |
| 857 |
case 'lte': |
| 858 |
$token = '<='; |
| 859 |
break; |
| 860 |
|
| 861 |
case 'gt': |
| 862 |
$token = '>'; |
| 863 |
break; |
| 864 |
|
| 865 |
case 'ge': |
| 866 |
case 'gte': |
| 867 |
$token = '>='; |
| 868 |
break; |
| 869 |
|
| 870 |
case 'and': |
| 871 |
$token = '&&'; |
| 872 |
break; |
| 873 |
|
| 874 |
case 'or': |
| 875 |
$token = '||'; |
| 876 |
break; |
| 877 |
|
| 878 |
case 'not': |
| 879 |
$token = '!'; |
| 880 |
break; |
| 881 |
|
| 882 |
case 'mod': |
| 883 |
$token = '%'; |
| 884 |
break; |
| 885 |
|
| 886 |
case '(': |
| 887 |
array_push($is_arg_stack, $i); |
| 888 |
break; |
| 889 |
|
| 890 |
case 'is': |
| 891 |
/* If last token was a ')', we operate on the parenthesized |
| 892 |
expression. The start of the expression is on the stack. |
| 893 |
Otherwise, we operate on the last encountered token. */ |
| 894 |
if ($tokens[$i-1] == ')') |
| 895 |
$is_arg_start = array_pop($is_arg_stack); |
| 896 |
else |
| 897 |
$is_arg_start = $i-1; |
| 898 |
/* Construct the argument for 'is' expression, so it knows |
| 899 |
what to operate on. */ |
| 900 |
$is_arg = implode(' ', array_slice($tokens, $is_arg_start, $i - $is_arg_start)); |
| 901 |
|
| 902 |
/* Pass all tokens from next one until the end to the |
| 903 |
'is' expression parsing function. The function will |
| 904 |
return modified tokens, where the first one is the result |
| 905 |
of the 'is' expression and the rest are the tokens it |
| 906 |
didn't touch. */ |
| 907 |
$new_tokens = $this->_parse_is_expr($is_arg, array_slice($tokens, $i+1)); |
| 908 |
|
| 909 |
/* Replace the old tokens with the new ones. */ |
| 910 |
array_splice($tokens, $is_arg_start, count($tokens), $new_tokens); |
| 911 |
|
| 912 |
/* Adjust argument start so that it won't change from the |
| 913 |
current position for the next iteration. */ |
| 914 |
$i = $is_arg_start; |
| 915 |
break; |
| 916 |
|
| 917 |
default: |
| 918 |
if($this->security && |
| 919 |
$i+1 < count($tokens) && |
| 920 |
$tokens[$i+1] == '(' && |
| 921 |
preg_match('!^[a-zA-Z_]\w+$!', $tokens[$i]) && |
| 922 |
!in_array($tokens[$i], $this->security_settings['IF_FUNCS'])) { |
| 923 |
$this->_syntax_error("(secure mode) '".$tokens[$i]."' not allowed in if statement"); |
| 924 |
} |
| 925 |
break; |
| 926 |
} |
| 927 |
} |
| 928 |
|
| 929 |
if ($elseif) |
| 930 |
return '<?php elseif ('.implode(' ', $tokens).'): ?>'; |
| 931 |
else |
| 932 |
return '<?php if ('.implode(' ', $tokens).'): ?>'; |
| 933 |
} |
| 934 |
|
| 935 |
|
| 936 |
/*======================================================================*\ |
| 937 |
Function: _parse_is_expr |
| 938 |
Purpose: Parse is expression |
| 939 |
\*======================================================================*/ |
| 940 |
function _parse_is_expr($is_arg, $tokens) |
| 941 |
{ |
| 942 |
$expr_end = 0; |
| 943 |
$negate_expr = false; |
| 944 |
|
| 945 |
if (($first_token = array_shift($tokens)) == 'not') { |
| 946 |
$negate_expr = true; |
| 947 |
$expr_type = array_shift($tokens); |
| 948 |
} else |
| 949 |
$expr_type = $first_token; |
| 950 |
|
| 951 |
switch ($expr_type) { |
| 952 |
case 'even': |
| 953 |
if (@$tokens[$expr_end] == 'by') { |
| 954 |
$expr_end++; |
| 955 |
$expr_arg = $tokens[$expr_end++]; |
| 956 |
$expr = "!(($is_arg / $expr_arg) % $expr_arg)"; |
| 957 |
} else |
| 958 |
$expr = "!($is_arg % 2)"; |
| 959 |
break; |
| 960 |
|
| 961 |
case 'odd': |
| 962 |
if (@$tokens[$expr_end] == 'by') { |
| 963 |
$expr_end++; |
| 964 |
$expr_arg = $tokens[$expr_end++]; |
| 965 |
$expr = "(($is_arg / $expr_arg) % $expr_arg)"; |
| 966 |
} else |
| 967 |
$expr = "($is_arg % 2)"; |
| 968 |
break; |
| 969 |
|
| 970 |
case 'div': |
| 971 |
if (@$tokens[$expr_end] == 'by') { |
| 972 |
$expr_end++; |
| 973 |
$expr_arg = $tokens[$expr_end++]; |
| 974 |
$expr = "!($is_arg % $expr_arg)"; |
| 975 |
} else { |
| 976 |
$this->_syntax_error("expecting 'by' after 'div'"); |
| 977 |
} |
| 978 |
break; |
| 979 |
|
| 980 |
default: |
| 981 |
$this->_syntax_error("unknown 'is' expression - '$expr_type'"); |
| 982 |
break; |
| 983 |
} |
| 984 |
|
| 985 |
if ($negate_expr) { |
| 986 |
$expr = "!($expr)"; |
| 987 |
} |
| 988 |
|
| 989 |
array_splice($tokens, 0, $expr_end, $expr); |
| 990 |
|
| 991 |
return $tokens; |
| 992 |
} |
| 993 |
|
| 994 |
|
| 995 |
/*======================================================================*\ |
| 996 |
Function: _parse_attrs |
| 997 |
Purpose: Parse attribute string |
| 998 |
\*======================================================================*/ |
| 999 |
function _parse_attrs($tag_args, $quote = true) |
| 1000 |
{ |
| 1001 |
/* Tokenize tag attributes. */ |
| 1002 |
preg_match_all('/(?:"[^"\\\\]*(?:\\\\.[^"\\\\]*)*" | |
| 1003 |
\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\' | (?>[^"\'=\s]+) |
| 1004 |
)+ | |
| 1005 |
[=] |
| 1006 |
/x', $tag_args, $match); |
| 1007 |
$tokens = $match[0]; |
| 1008 |
$var_delims = array('$', '#', '%'); |
| 1009 |
|
| 1010 |
$attrs = array(); |
| 1011 |
/* Parse state: |
| 1012 |
0 - expecting attribute name |
| 1013 |
1 - expecting '=' |
| 1014 |
2 - expecting attribute value (not '=') */ |
| 1015 |
$state = 0; |
| 1016 |
|
| 1017 |
foreach ($tokens as $token) { |
| 1018 |
switch ($state) { |
| 1019 |
case 0: |
| 1020 |
/* If the token is a valid identifier, we set attribute name |
| 1021 |
and go to state 1. */ |
| 1022 |
if (preg_match('!^\w+$!', $token)) { |
| 1023 |
$attr_name = $token; |
| 1024 |
$state = 1; |
| 1025 |
} else |
| 1026 |
$this->_syntax_error("invalid attribute name - '$token'"); |
| 1027 |
break; |
| 1028 |
|
| 1029 |
case 1: |
| 1030 |
/* If the token is '=', then we go to state 2. */ |
| 1031 |
if ($token == '=') { |
| 1032 |
$state = 2; |
| 1033 |
} else |
| 1034 |
$this->_syntax_error("expecting '=' after attribute name"); |
| 1035 |
break; |
| 1036 |
|
| 1037 |
case 2: |
| 1038 |
/* If token is not '=', we set the attribute value and go to |
| 1039 |
state 0. */ |
| 1040 |
if ($token != '=') { |
| 1041 |
/* We booleanize the token if it's a non-quoted possible |
| 1042 |
boolean value. */ |
| 1043 |
if (preg_match('!^(on|yes|true)$!', $token)) |
| 1044 |
$token = true; |
| 1045 |
else if (preg_match('!^(off|no|false)$!', $token)) |
| 1046 |
$token = false; |
| 1047 |
/* If the token is not variable (doesn't start with |
| 1048 |
'$', '#', or '%') and not enclosed in single or |
| 1049 |
double quotes we single-quote it. */ |
| 1050 |
else if ($quote && !in_array($token{0}, $var_delims) && |
| 1051 |
!(($token{0} == '"' || $token{0} == "'") && |
| 1052 |
$token{strlen($token)-1} == $token{0})) |
| 1053 |
$token = '"'.$token.'"'; |
| 1054 |
|
| 1055 |
$attrs[$attr_name] = $token; |
| 1056 |
$state = 0; |
| 1057 |
} else |
| 1058 |
$this->_syntax_error("'=' cannot be an attribute value"); |
| 1059 |
break; |
| 1060 |
} |
| 1061 |
} |
| 1062 |
|
| 1063 |
$this->_parse_vars_props($attrs); |
| 1064 |
|
| 1065 |
return $attrs; |
| 1066 |
} |
| 1067 |
|
| 1068 |
|
| 1069 |
/*======================================================================*\ |
| 1070 |
Function: _parse_vars_props |
| 1071 |
Purpose: compile variables and section properties tokens into |
| 1072 |
PHP code |
| 1073 |
\*======================================================================*/ |
| 1074 |
function _parse_vars_props(&$tokens) |
| 1075 |
{ |
| 1076 |
$qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\''; |
| 1077 |
|
| 1078 |
$var_exprs = preg_grep('!^\$\w+(?>(\[(\d+|\$\w+|\w+(\.\w+)?)\])|((\.|->)\$?\w+))*(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens); |
| 1079 |
$conf_var_exprs = preg_grep('!^#(\w+)#(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens); |
| 1080 |
$sect_prop_exprs = preg_grep('!^%\w+\.\w+%(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens); |
| 1081 |
|
| 1082 |
if (count($var_exprs)) { |
| 1083 |
foreach ($var_exprs as $expr_index => $var_expr) { |
| 1084 |
$tokens[$expr_index] = $this->_parse_var($var_expr); |
| 1085 |
} |
| 1086 |
} |
| 1087 |
|
| 1088 |
if (count($conf_var_exprs)) { |
| 1089 |
foreach ($conf_var_exprs as $expr_index => $var_expr) { |
| 1090 |
$tokens[$expr_index] = $this->_parse_conf_var($var_expr); |
| 1091 |
} |
| 1092 |
} |
| 1093 |
|
| 1094 |
if (count($sect_prop_exprs)) { |
| 1095 |
foreach ($sect_prop_exprs as $expr_index => $section_prop_expr) { |
| 1096 |
$tokens[$expr_index] = $this->_parse_section_prop($section_prop_expr); |
| 1097 |
} |
| 1098 |
} |
| 1099 |
} |
| 1100 |
|
| 1101 |
|
| 1102 |
/*======================================================================*\ |
| 1103 |
Function: _parse_var |
| 1104 |
Purpose: parse variable expression into PHP code |
| 1105 |
\*======================================================================*/ |
| 1106 |
function _parse_var($var_expr) |
| 1107 |
{ |
| 1108 |
$parts = explode('|', substr($var_expr, 1), 2); |
| 1109 |
$var_ref = $parts[0]; |
| 1110 |
$modifiers = isset($parts[1]) ? $parts[1] : ''; |
| 1111 |
|
| 1112 |
if(!empty($this->default_modifiers) && !preg_match('!(^|\|)smarty:nodefaults($|\|)!',$modifiers)) { |
| 1113 |
$_default_mod_string = implode('|',(array)$this->default_modifiers); |
| 1114 |
$modifiers = empty($modifiers) ? $_default_mod_string : $_default_mod_string . '|' . $modifiers; |
| 1115 |
} |
| 1116 |
|
| 1117 |
preg_match_all('!\[(?:\$\w+|\w+(\.\w+)?)\]|(->|\.)\$?\w+|^\w+!', $var_ref, $match); |
| 1118 |
$indexes = $match[0]; |
| 1119 |
$var_name = array_shift($indexes); |
| 1120 |
|
| 1121 |
/* Handle $smarty.* variable references as a special case. */ |
| 1122 |
if ($var_name == 'smarty') { |
| 1123 |
/* |
| 1124 |
* If the reference could be compiled, use the compiled output; |
| 1125 |
* otherwise, fall back on the $smarty variable generated at |
| 1126 |
* run-time. |
| 1127 |
*/ |
| 1128 |
if (($smarty_ref = $this->_compile_smarty_ref($indexes)) !== null) { |
| 1129 |
$output = $smarty_ref; |
| 1130 |
} else { |
| 1131 |
$var_name = substr(array_shift($indexes), 1); |
| 1132 |
$output = "\$this->_smarty_vars['$var_name']"; |
| 1133 |
} |
| 1134 |
} else { |
| 1135 |
$output = "\$this->_tpl_vars['$var_name']"; |
| 1136 |
} |
| 1137 |
|
| 1138 |
foreach ($indexes as $index) { |
| 1139 |
if ($index{0} == '[') { |
| 1140 |
$index = substr($index, 1, -1); |
| 1141 |
if (is_numeric($index)) { |
| 1142 |
$output .= "[$index]"; |
| 1143 |
} elseif ($index{0} == '$') { |
| 1144 |
$output .= "[\$this->_tpl_vars['" . substr($index, 1) . "']]"; |
| 1145 |
} else { |
| 1146 |
$parts = explode('.', $index); |
| 1147 |
$section = $parts[0]; |
| 1148 |
$section_prop = isset($parts[1]) ? $parts[1] : 'index'; |
| 1149 |
$output .= "[\$this->_sections['$section']['$section_prop']]"; |
| 1150 |
} |
| 1151 |
} else if ($index{0} == '.') { |
| 1152 |
if ($index{1} == '$') |
| 1153 |
$output .= "[\$this->_tpl_vars['" . substr($index, 2) . "']]"; |
| 1154 |
else |
| 1155 |
$output .= "['" . substr($index, 1) . "']"; |
| 1156 |
} else { |
| 1157 |
$output .= $index; |
| 1158 |
} |
| 1159 |
} |
| 1160 |
|
| 1161 |
$this->_parse_modifiers($output, $modifiers); |
| 1162 |
|
| 1163 |
return $output; |
| 1164 |
} |
| 1165 |
|
| 1166 |
|
| 1167 |
/*======================================================================*\ |
| 1168 |
Function: _parse_conf_var |
| 1169 |
Purpose: parse configuration variable expression into PHP code |
| 1170 |
\*======================================================================*/ |
| 1171 |
function _parse_conf_var($conf_var_expr) |
| 1172 |
{ |
| 1173 |
$parts = explode('|', $conf_var_expr, 2); |
| 1174 |
$var_ref = $parts[0]; |
| 1175 |
$modifiers = isset($parts[1]) ? $parts[1] : ''; |
| 1176 |
|
| 1177 |
$var_name = substr($var_ref, 1, -1); |
| 1178 |
|
| 1179 |
$output = "\$this->_config[0]['vars']['$var_name']"; |
| 1180 |
|
| 1181 |
$this->_parse_modifiers($output, $modifiers); |
| 1182 |
|
| 1183 |
return $output; |
| 1184 |
} |
| 1185 |
|
| 1186 |
|
| 1187 |
/*======================================================================*\ |
| 1188 |
Function: _parse_section_prop |
| 1189 |
Purpose: parse section property expression into PHP code |
| 1190 |
\*======================================================================*/ |
| 1191 |
function _parse_section_prop($section_prop_expr) |
| 1192 |
{ |
| 1193 |
$parts = explode('|', $section_prop_expr, 2); |
| 1194 |
$var_ref = $parts[0]; |
| 1195 |
$modifiers = isset($parts[1]) ? $parts[1] : ''; |
| 1196 |
|
| 1197 |
preg_match('!%(\w+)\.(\w+)%!', $var_ref, $match); |
| 1198 |
$section_name = $match[1]; |
| 1199 |
$prop_name = $match[2]; |
| 1200 |
|
| 1201 |
$output = "\$this->_sections['$section_name']['$prop_name']"; |
| 1202 |
|
| 1203 |
$this->_parse_modifiers($output, $modifiers); |
| 1204 |
|
| 1205 |
return $output; |
| 1206 |
} |
| 1207 |
|
| 1208 |
|
| 1209 |
/*======================================================================*\ |
| 1210 |
Function: _parse_modifiers |
| 1211 |
Purpose: parse modifier chain into PHP code |
| 1212 |
\*======================================================================*/ |
| 1213 |
function _parse_modifiers(&$output, $modifier_string) |
| 1214 |
{ |
| 1215 |
$qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\''; |
| 1216 |
preg_match_all('!\|(@?\w+)((?>:(?:'. $qstr_regexp . '|[^|]+))*)!', '|' . $modifier_string, $match); |
| 1217 |
list(, $modifiers, $modifier_arg_strings) = $match; |
| 1218 |
|
| 1219 |
for ($i = 0, $for_max = count($modifiers); $i < $for_max; $i++) { |
| 1220 |
$modifier_name = $modifiers[$i]; |
| 1221 |
|
| 1222 |
if($modifier_name == 'smarty') { |
| 1223 |
// skip smarty modifier |
| 1224 |
continue; |
| 1225 |
} |
| 1226 |
|
| 1227 |
preg_match_all('!:(' . $qstr_regexp . '|[^:]+)!', $modifier_arg_strings[$i], $match); |
| 1228 |
$modifier_args = $match[1]; |
| 1229 |
|
| 1230 |
if ($modifier_name{0} == '@') { |
| 1231 |
$map_array = 'false'; |
| 1232 |
$modifier_name = substr($modifier_name, 1); |
| 1233 |
} else { |
| 1234 |
$map_array = 'true'; |
| 1235 |
} |
| 1236 |
|
| 1237 |
$this->_add_plugin('modifier', $modifier_name); |
| 1238 |
|
| 1239 |
$this->_parse_vars_props($modifier_args); |
| 1240 |
|
| 1241 |
if (count($modifier_args) > 0) |
| 1242 |
$modifier_args = ', '.implode(', ', $modifier_args); |
| 1243 |
else |
| 1244 |
$modifier_args = ''; |
| 1245 |
|
| 1246 |
$output = "\$this->_run_mod_handler('$modifier_name', $map_array, $output$modifier_args)"; |
| 1247 |
} |
| 1248 |
} |
| 1249 |
|
| 1250 |
|
| 1251 |
/*======================================================================*\ |
| 1252 |
Function: _add_plugin |
| 1253 |
Purpose: |
| 1254 |
\*======================================================================*/ |
| 1255 |
function _add_plugin($type, $name, $delayed_loading = null) |
| 1256 |
{ |
| 1257 |
if (!isset($this->_plugin_info[$type])) { |
| 1258 |
$this->_plugin_info[$type] = array(); |
| 1259 |
} |
| 1260 |
if (!isset($this->_plugin_info[$type][$name])) { |
| 1261 |
$this->_plugin_info[$type][$name] = array($this->_current_file, |
| 1262 |
$this->_current_line_no, |
| 1263 |
$delayed_loading); |
| 1264 |
} |
| 1265 |
} |
| 1266 |
|
| 1267 |
|
| 1268 |
/*======================================================================*\ |
| 1269 |
Function: _compile_smarty_ref |
| 1270 |
Purpose: Compiles references of type $smarty.foo |
| 1271 |
\*======================================================================*/ |
| 1272 |
function _compile_smarty_ref(&$indexes) |
| 1273 |
{ |
| 1274 |
/* Extract the reference name. */ |
| 1275 |
$ref = substr($indexes[0], 1); |
| 1276 |
|
| 1277 |
switch ($ref) { |
| 1278 |
case 'now': |
| 1279 |
$compiled_ref = 'time()'; |
| 1280 |
if (count($indexes) > 1) { |
| 1281 |
$this->_syntax_error('$smarty' . implode('', $indexes) .' is an invalid reference'); |
| 1282 |
} |
| 1283 |
break; |
| 1284 |
|
| 1285 |
case 'foreach': |
| 1286 |
case 'section': |
| 1287 |
if ($indexes[1]{0} != '.') { |
| 1288 |
$this->_syntax_error('$smarty' . implode('', array_slice($indexes, 0, 2)) . ' is an invalid reference'); |
| 1289 |
} |
| 1290 |
$name = substr($indexes[1], 1); |
| 1291 |
array_shift($indexes); |
| 1292 |
if ($ref == 'foreach') |
| 1293 |
$compiled_ref = "\$this->_foreach['$name']"; |
| 1294 |
else |
| 1295 |
$compiled_ref = "\$this->_sections['$name']"; |
| 1296 |
break; |
| 1297 |
|
| 1298 |
case 'get': |
| 1299 |
array_shift($indexes); |
| 1300 |
$name = substr($indexes[0], 1); |
| 1301 |
$compiled_ref = "\$GLOBALS['HTTP_GET_VARS']['$name']"; |
| 1302 |
break; |
| 1303 |
|
| 1304 |
case 'post': |
| 1305 |
array_shift($indexes); |
| 1306 |
$name = substr($indexes[0], 1); |
| 1307 |
$compiled_ref = "\$GLOBALS['HTTP_POST_VARS']['$name']"; |
| 1308 |
break; |
| 1309 |
|
| 1310 |
case 'cookies': |
| 1311 |
array_shift($indexes); |
| 1312 |
$name = substr($indexes[0], 1); |
| 1313 |
$compiled_ref = "\$GLOBALS['HTTP_COOKIE_VARS']['$name']"; |
| 1314 |
break; |
| 1315 |
|
| 1316 |
case 'env': |
| 1317 |
array_shift($indexes); |
| 1318 |
$name = substr($indexes[0], 1); |
| 1319 |
$compiled_ref = "\$GLOBALS['HTTP_ENV_VARS']['$name']"; |
| 1320 |
break; |
| 1321 |
|
| 1322 |
case 'server': |
| 1323 |
array_shift($indexes); |
| 1324 |
$name = substr($indexes[0], 1); |
| 1325 |
$compiled_ref = "\$GLOBALS['HTTP_SERVER_VARS']['$name']"; |
| 1326 |
break; |
| 1327 |
|
| 1328 |
case 'session': |
| 1329 |
array_shift($indexes); |
| 1330 |
$name = substr($indexes[0], 1); |
| 1331 |
$compiled_ref = "\$GLOBALS['HTTP_SESSION_VARS']['$name']"; |
| 1332 |
break; |
| 1333 |
|
| 1334 |
/* |
| 1335 |
* These cases are handled either at run-time or elsewhere in the |
| 1336 |
* compiler. |
| 1337 |
*/ |
| 1338 |
case 'request': |
| 1339 |
$this->_init_smarty_vars = true; |
| 1340 |
return null; |
| 1341 |
|
| 1342 |
case 'capture': |
| 1343 |
return null; |
| 1344 |
|
| 1345 |
case 'template': |
| 1346 |
$compiled_ref = "'$this->_current_file'"; |
| 1347 |
if (count($indexes) > 1) { |
| 1348 |
$this->_syntax_error('$smarty' . implode('', $indexes) .' is an invalid reference'); |
| 1349 |
} |
| 1350 |
break; |
| 1351 |
|
| 1352 |
case 'version': |
| 1353 |
$compiled_ref = "'$this->_version'"; |
| 1354 |
break; |
| 1355 |
|
| 1356 |
default: |
| 1357 |
$this->_syntax_error('$smarty.' . $ref . ' is an unknown reference'); |
| 1358 |
break; |
| 1359 |
} |
| 1360 |
|
| 1361 |
array_shift($indexes); |
| 1362 |
return $compiled_ref; |
| 1363 |
} |
| 1364 |
|
| 1365 |
|
| 1366 |
/*======================================================================*\ |
| 1367 |
Function: _load_filters |
| 1368 |
Purpose: load pre- and post-filters |
| 1369 |
\*======================================================================*/ |
| 1370 |
function _load_filters() |
| 1371 |
{ |
| 1372 |
if (count($this->_plugins['prefilter']) > 0) { |
| 1373 |
foreach ($this->_plugins['prefilter'] as $filter_name => $prefilter) { |
| 1374 |
if ($prefilter === false) { |
| 1375 |
unset($this->_plugins['prefilter'][$filter_name]); |
| 1376 |
$this->_load_plugins(array(array('prefilter', $filter_name, null, null, false))); |
| 1377 |
} |
| 1378 |
} |
| 1379 |
} |
| 1380 |
if (count($this->_plugins['postfilter']) > 0) { |
| 1381 |
foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) { |
| 1382 |
if ($postfilter === false) { |
| 1383 |
unset($this->_plugins['postfilter'][$filter_name]); |
| 1384 |
$this->_load_plugins(array(array('postfilter', $filter_name, null, null, false))); |
| 1385 |
} |
| 1386 |
} |
| 1387 |
} |
| 1388 |
} |
| 1389 |
|
| 1390 |
|
| 1391 |
/*======================================================================*\ |
| 1392 |
Function: _syntax_error |
| 1393 |
Purpose: display Smarty syntax error |
| 1394 |
\*======================================================================*/ |
| 1395 |
function _syntax_error($error_msg, $error_type = E_USER_ERROR) |
| 1396 |
{ |
| 1397 |
trigger_error("Smarty: [in " . $this->_current_file . " line " . |
| 1398 |
$this->_current_line_no . "]: syntax error: $error_msg", $error_type); |
| 1399 |
} |
| 1400 |
} |
| 1401 |
|
| 1402 |
/* vim: set et: */ |
| 1403 |
|
| 1404 |
?> |
Parent Directory
| 
Revision Log
