WordPressを読む 85 /blog/wp-content/plugins/crayon-syntax-highlighter/crayon_resource.class.php
/blog/wp-content/plugins/crayon-syntax-highlighter/crayon_resource.class.php
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 | <?php require_once ('global.php'); require_once (CRAYON_LANGS_PHP); require_once (CRAYON_THEMES_PHP); require_once (CRAYON_FONTS_PHP); class CrayonResources { private static $langs = NULL; private static $themes = NULL; private static $fonts = NULL; private function __construct() {} public static function langs() { if (self::$langs == NULL) { self::$langs = new CrayonLangs(); } return self::$langs; } public static function themes() { if (self::$themes == NULL) { self::$themes = new CrayonThemes(); } return self::$themes; } public static function fonts() { if (self::$fonts == NULL) { self::$fonts = new CrayonFonts(); } return self::$fonts; } } class CrayonResourceCollection { // Properties and Constants =============================================== // Loaded resources private $collection = array(); // Loading state private $state = self::UNLOADED; // Directory containing resources private $dir = ''; private $default_id = ''; private $default_name = ''; const UNLOADED = -1; const LOADING = 0; const LOADED = 1; // Methods ================================================================ /* Override in subclasses. Returns the absolute path for a given resource. Does not check for its existence. */ public function path($id) { return ''; } /* Verifies a resource exists. */ public function exists($id) { return file_exists($this->path($id)); } /* Load all the available languages. Doesn't parse them for their names and regex. */ public function load() { // Load only once if (!$this->is_state_unloaded()) { return; } $this->state = self::LOADING; $this->load_process(); $this->state = self::LOADED; } public function load_resources($dir = NULL) { if ($dir === NULL) { $dir = $this->dir; } if (!$this->is_state_loading()) { // Load only once return; } try { // Look in directory for resources if (!is_dir($dir)) { CrayonLog::syslog('The resource directory is missing, should be at \'' . $dir . '\'.'); } else if (($handle = @opendir($dir)) != FALSE) { // Loop over directory contents while (($file = readdir($handle)) !== FALSE) { if ($file != "." && $file != "..") { // Check if $file is directory, remove extension when checking for existence. if (!is_dir($dir . $file)) { $file = CrayonUtil::path_rem_ext($file); } if ($this->exists($file)) { $this->add_resource($this->resource_instance($file)); } } } closedir($handle); } } catch (Exception $e) { CrayonLog::syslog('An error occured when trying to load resources: ' . $e->getFile() . $e->getLine()); } } /* Override in subclasses. */ public function load_process() { if (!$this->is_state_loading()) { return; } $this->load_resources(); $this->add_default(); } /* Override in subclasses */ public function add_default() { if (!$this->is_state_loading()) { return FALSE; } else if (!$this->is_loaded($this->default_id)) { CrayonLog::syslog('The default resource could not be loaded from \'' . $this->dir . '\'.'); // Add the default, but it will not be functionable $default = $this->resource_instance($this->default_id, $this->default_name); $this->add($this->default_id, $default); return TRUE; } return FALSE; } /* Returns the default resource */ public function set_default($id, $name) { $this->default_id = $id; $this->default_name = $name; } /* Returns the default resource */ public function get_default() { return $this->get($this->default_id); } /* Override in subclasses to create subclass object if needed */ public function resource_instance($id, $name = NULL) { return new CrayonResource($id, $name); } public function add($id, $resource) { if (is_string($id) && !empty($id)) { $this->collection[$id] = $resource; asort($this->collection); CrayonLog::debug('Added resource: ' . $this->path($id)); } else { CrayonLog::syslog('Could not add resource: ', $id); } } public function add_resource($resource) { $this->add($resource->id(), $resource); } public function remove($name) { if (is_string($name) && !empty($name) && array_key_exists($name, $this->collection)) { unset($this->collection[$name]); } } public function remove_all() { $this->collection = array(); } /* Returns the resource for the given id or NULL if it can't be found */ public function get($id = NULL) { $this->load(); if ($id === NULL) { return $this->collection; } else if (is_string($id) && $this->is_loaded($id)) { return $this->collection[$id]; } return NULL; } public function get_array() { $array = array(); foreach ($this->get() as $resource) { $array[$resource->id()] = $resource->name(); } return $array; } public function is_loaded($id) { if (is_string($id)) { return array_key_exists($id, $this->collection); } return FALSE; } public function get_state() { return $this->state; } public function is_state_loaded() { return $this->state == self::LOADED; } public function is_state_loading() { return $this->state == self::LOADING; } public function is_state_unloaded() { return $this->state == self::UNLOADED; } public function directory($dir = NULL) { if ($dir === NULL) { return $this->dir; } else { $this->dir = CrayonUtil::path_slash($dir); } } public function url($id) { return ''; } public function get_css($id, $ver = NULL) { $resource = $this->get($id); return '<link rel="stylesheet" type="text/css" href="' . $this->url($resource->id()) . ($ver ? "?ver=$ver" : '') . '" />' . CRAYON_NL; } } class CrayonUsedResourceCollection extends CrayonResourceCollection { // Checks if any resoruces are being used public function is_used($id = NULL) { if ($id === NULL) { foreach ($this->get() as $resource) { if ($resource->used()) { return TRUE; } } return FALSE; } else { $resource = $this->get($id); if (!$resource) { return FALSE; } else { return $resource->used(); } } } public function set_used($id, $value = TRUE) { $resource = $this->get($id); if ($resource !== NULL && !$resource->used()) { $resource->used($value == TRUE); return TRUE; } return FALSE; } public function get_used() { $used = array(); foreach ($this->get() as $resource) { if ($resource->used()) { $used[] = $resource; } } return $used; } // XXX Override public function resource_instance($id, $name = NULL) { return new CrayonUsedResource($id, $name); } public function get_used_css() { $used = $this->get_used(); $css = array(); foreach ($used as $resource) { $url = $this->url($resource->id()); $css[$resource->id()] = $url; } return $css; } } class CrayonUserResourceCollection extends CrayonUsedResourceCollection { private $user_dir = ''; private $curr_dir = NULL; // TODO better to use a base dir and relative private $relative_directory = NULL; // TODO move this higher up inheritance private $extension = ''; // XXX Override public function resource_instance($id, $name = NULL) { $resource = $this->create_user_resource_instance($id, $name); $resource->user($this->curr_dir == $this->user_directory()); return $resource; } public function create_user_resource_instance($id, $name = NULL) { return new CrayonUserResource($id, $name); } public function user_directory($dir = NULL) { if ($dir === NULL) { return $this->user_dir; } else { $this->user_dir = CrayonUtil::path_slash($dir); } } public function relative_directory($relative_directory = NULL) { if ($relative_directory == NULL) { return $this->relative_directory; } $this->relative_directory = $relative_directory; } public function extension($extension = NULL) { if ($extension == NULL) { return $this->extension; } $this->extension = $extension; } public function load_resources($dir = NULL) { $this->curr_dir = $this->directory(); parent::load_resources($this->curr_dir); $this->curr_dir = $this->user_directory(); parent::load_resources($this->curr_dir); $this->curr_dir = NULL; } public function current_directory() { return $this->curr_dir; } public function dir_is_user($id, $user = NULL) { if ($user === NULL) { if ($this->is_state_loading()) { // We seem to be loading resources - use current directory $user = $this->current_directory() == $this->user_directory(); } else { $theme = $this->get($id); if ($theme) { $user = $theme->user(); } else { $user = FALSE; } } } return $user; } public function dirpath($user = NULL) { $path = $user ? $this->user_directory() : $this->directory(); return CrayonUtil::path_slash($path); } public function dirpath_for_id($id, $user = NULL) { $user = $this->dir_is_user($id, $user); return $this->dirpath($user) . $id; } public function dirurl($user = NULL) { $path = $user ? CrayonGlobalSettings::upload_url() : CrayonGlobalSettings::plugin_path(); return CrayonUtil::path_slash($path . $this->relative_directory()); } // XXX Override public function path($id, $user = NULL) { $user = $this->dir_is_user($id, $user); return $this->dirpath($user) . $this->filename($id, $user); } // XXX Override public function url($id, $user = NULL) { $user = $this->dir_is_user($id, $user); return $this->dirurl($user) . $this->filename($id, $user); } public function filename($id, $user = NULL) { return "$id.$this->extension"; } } class CrayonResource { private $id = ''; private $name = ''; function __construct($id, $name = NULL) { $id = $this->clean_id($id); CrayonUtil::str($this->id, $id); ( empty($name) ) ? $this->name( $this->clean_name($this->id) ) : $this->name($name); } function __tostring() { return $this->name; } function id() { return $this->id; } function name($name = NULL) { if ($name === NULL) { return $this->name; } else { $this->name = $name; } } function clean_id($id) { $id = CrayonUtil::space_to_hyphen( strtolower(trim($id)) ); return preg_replace('#[^\w-]#msi', '', $id); } function clean_name($id) { $id = CrayonUtil::hyphen_to_space( strtolower(trim($id)) ); return CrayonUtil::ucwords($id); } } class CrayonUsedResource extends CrayonResource { // Keeps track of usage private $used = FALSE; function used($used = NULL) { if ($used === NULL) { return $this->used; } else { $this->used = ($used ? TRUE : FALSE); } } } class CrayonUserResource extends CrayonUsedResource { // Keeps track of user modifications private $user = FALSE; function user($user = NULL) { if ($user === NULL) { return $this->user; } else { $this->user = ($user ? TRUE : FALSE); } } } class CrayonVersionResource extends CrayonUserResource { // Adds version private $version = ''; function __construct($id, $name = NULL, $version = NULL) { parent::__construct($id, $name); $this->version($version); } function version($version = NULL) { if ($version === NULL) { return $this->version; } else if (is_string($version)) { $this->version = $version; } } } ?> |