| 1 |
<?php |
| 2 |
namespace MaxButtons; |
| 3 |
defined('ABSPATH') or die('No direct access permitted'); |
| 4 |
/* Class to Parse CSS. Load as array with diffent pseudo-types, |
| 5 |
ability to add nested and new root blocks |
| 6 |
parses via scss |
| 7 |
ability to use complicated css stuff via scss mixins parsing like gradient |
| 8 |
auto-discovery for -unit field types to set units (like px, or %) |
| 9 |
auto-discovery of fields via domobj. |
| 10 |
|
| 11 |
*/ |
| 12 |
|
| 13 |
use \Exception as Exception; |
| 14 |
|
| 15 |
class maxCSSParser |
| 16 |
{ |
| 17 |
protected $struct = array(); |
| 18 |
protected $domObj = ''; |
| 19 |
protected $pseudo = array("hover","active","responsive"); |
| 20 |
|
| 21 |
protected $data; |
| 22 |
protected $output_css; |
| 23 |
|
| 24 |
protected $inline = array(); |
| 25 |
protected $responsive = array(); |
| 26 |
|
| 27 |
public $anchor_class = '.maxbutton'; // used for matching buttons in parse_part |
| 28 |
|
| 29 |
// settings |
| 30 |
protected $elements_ignore_zero = array( |
| 31 |
'text-shadow-left', |
| 32 |
'text_shadow-top', |
| 33 |
'text-shadow-width', |
| 34 |
'box-shadow-offset-left', |
| 35 |
'box-shadow-offset-top', |
| 36 |
'box-shadow-width', |
| 37 |
'box-shadow-spread', |
| 38 |
); // items to ignore if value is zero, otherwise they become unremovable ( where 0 is still something on display) |
| 39 |
|
| 40 |
protected $important = false; |
| 41 |
|
| 42 |
// log possible problems and incidents for debugging; |
| 43 |
protected $parse_log = array(); |
| 44 |
|
| 45 |
function __construct() |
| 46 |
{ |
| 47 |
//$root[] = array("a" => array("hover","active","responsive")); |
| 48 |
|
| 49 |
} |
| 50 |
|
| 51 |
function loadDom($domObj) |
| 52 |
{ |
| 53 |
$this->domObj = $domObj; |
| 54 |
|
| 55 |
$root = $domObj->find(0,0); |
| 56 |
$struct[$root->tag] = array(); |
| 57 |
|
| 58 |
$children = $root->children(); |
| 59 |
|
| 60 |
if (count($children) > 0) |
| 61 |
$struct[$root->tag] = $this->loadRecursive(array(), $children); |
| 62 |
|
| 63 |
$this->struct = $struct; |
| 64 |
|
| 65 |
|
| 66 |
} |
| 67 |
|
| 68 |
function loadRecursive($struct, $children) |
| 69 |
{ |
| 70 |
foreach($children as $domChild) |
| 71 |
{ |
| 72 |
|
| 73 |
$class = $domChild->class; |
| 74 |
$class = str_replace(" ",".", $class); // combine seperate classes |
| 75 |
|
| 76 |
$struct[$class]["tag"] = $domChild->tag; |
| 77 |
|
| 78 |
$child_children = $domChild->children(); |
| 79 |
|
| 80 |
if (count($child_children) > 0) |
| 81 |
{ |
| 82 |
|
| 83 |
$struct[$class]["children"] = $this->loadRecursive(array(), $child_children); |
| 84 |
} |
| 85 |
} |
| 86 |
|
| 87 |
return $struct; |
| 88 |
} |
| 89 |
|
| 90 |
|
| 91 |
function parse($data) |
| 92 |
{ |
| 93 |
$this->clear(); |
| 94 |
|
| 95 |
$struct = $this->struct; |
| 96 |
|
| 97 |
$this->data = $data; |
| 98 |
|
| 99 |
|
| 100 |
if (isset($data["settings"])) // room for settings in parser |
| 101 |
{ |
| 102 |
$settings = $data["settings"]; |
| 103 |
$this->important = (isset($settings["important"])) ? $settings["important"] : false; |
| 104 |
|
| 105 |
unset($this->data["settings"]); |
| 106 |
} |
| 107 |
|
| 108 |
$elements = array_shift($struct); // first element is a 'stub' root. |
| 109 |
|
| 110 |
if ( is_null($elements) ) |
| 111 |
return; |
| 112 |
|
| 113 |
foreach($elements as $el => $el_data) |
| 114 |
{ |
| 115 |
|
| 116 |
$this->parse_part($el,$el_data); |
| 117 |
} |
| 118 |
|
| 119 |
|
| 120 |
$this->parse_responsive(); |
| 121 |
|
| 122 |
maxUtils::startTime('compile CSS'); |
| 123 |
$css = $this->compile($this->output_css); |
| 124 |
maxUtils::endTime('compile CSS'); |
| 125 |
|
| 126 |
|
| 127 |
return $css; |
| 128 |
|
| 129 |
} |
| 130 |
|
| 131 |
// reset output values. |
| 132 |
protected function clear() |
| 133 |
{ |
| 134 |
$this->data = ''; |
| 135 |
$this->output_css = ''; |
| 136 |
$this->inline = array(); |
| 137 |
//$this->struct = array(); |
| 138 |
$this->responsive = array(); |
| 139 |
|
| 140 |
} |
| 141 |
|
| 142 |
protected function compile($css) |
| 143 |
{ |
| 144 |
$scss = new \Leafo\ScssPhp\Compiler(); |
| 145 |
$scss->setImportPaths(MB()->get_plugin_path() . "assets/scss"); |
| 146 |
|
| 147 |
$minify = get_option("maxbuttons_minify", 1); |
| 148 |
if ($minify == 1) |
| 149 |
$scss->setFormatter('\Leafo\ScssPhp\Formatter\Compressed'); |
| 150 |
|
| 151 |
$compile = " @import '_mixins.scss'; " . $css; |
| 152 |
//maxUtils::addTime("CSSParser: Compile start "); |
| 153 |
|
| 154 |
try |
| 155 |
{ |
| 156 |
$css = $scss->compile($compile); |
| 157 |
} catch (Exception $e) { |
| 158 |
|
| 159 |
$css = $this->output_css; |
| 160 |
} |
| 161 |
|
| 162 |
//maxUtils::addTime("CSSParser: Compile end "); |
| 163 |
|
| 164 |
return $css; |
| 165 |
} |
| 166 |
|
| 167 |
function parse_part($element, $el_data, $el_add = '') |
| 168 |
{ |
| 169 |
maxUtils::addTime("CSSParser: Parse $element "); |
| 170 |
|
| 171 |
$tag = $el_data["tag"]; |
| 172 |
$element_data = $this->findData($this->data, $element); |
| 173 |
|
| 174 |
// not using scss selectors here since there is trouble w/ the :pseudo selector, which should be put on the maxbutton / a tag. |
| 175 |
if ($element != '') |
| 176 |
{ $el_add .= " ." . $element; |
| 177 |
|
| 178 |
} |
| 179 |
|
| 180 |
if (isset($element_data["responsive"])) |
| 181 |
{ |
| 182 |
$responsive = $element_data["responsive"]; // doing that at the end |
| 183 |
unset($element_data["responsive"]); |
| 184 |
|
| 185 |
$this->responsive[$el_add] = $responsive; |
| 186 |
} |
| 187 |
|
| 188 |
foreach($element_data as $pseudo => $values) |
| 189 |
{ |
| 190 |
|
| 191 |
if ($pseudo != 'normal') |
| 192 |
{ |
| 193 |
// select the maxbutton case, ending with either space or next class -dot. |
| 194 |
// Anchor class in default situation should be .maxbutton |
| 195 |
$anchor_class = $this->anchor_class; |
| 196 |
|
| 197 |
$ps_selector = preg_replace('/' . $anchor_class . '$|' . $anchor_class . '([.| ])/i',"$anchor_class:$pseudo\$1",$el_add); |
| 198 |
$this->output_css .= " $ps_selector { "; |
| 199 |
} |
| 200 |
else { |
| 201 |
$this->output_css .= " $el_add { "; |
| 202 |
} |
| 203 |
|
| 204 |
$values = $this->doMixins($values); |
| 205 |
|
| 206 |
foreach($values as $cssTag => $cssVal) |
| 207 |
{ |
| 208 |
|
| 209 |
$statement = $this->parse_cssline($values, $cssTag,$cssVal); ///"$cssTag $css_sep $cssVal$unit$css_end "; |
| 210 |
|
| 211 |
if ($statement) |
| 212 |
{ |
| 213 |
$this->output_css .= $statement ; |
| 214 |
|
| 215 |
if (! isset($this->inline[$pseudo][$element])) $this->inline[$pseudo][$element] = ''; |
| 216 |
$this->inline[$pseudo][$element] .= $statement; |
| 217 |
} |
| 218 |
} |
| 219 |
|
| 220 |
$this->output_css .= " } "; |
| 221 |
} |
| 222 |
if (isset($el_data["children"])) |
| 223 |
{ |
| 224 |
foreach($el_data["children"] as $child_id => $child_data) |
| 225 |
{ |
| 226 |
|
| 227 |
$this->parse_part($child_id, $child_data, $el_add); |
| 228 |
} |
| 229 |
} |
| 230 |
|
| 231 |
} |
| 232 |
|
| 233 |
function parse_cssline($values, $cssTag, $cssVal, $css_end = ';') |
| 234 |
{ |
| 235 |
|
| 236 |
// unit check - two ways; either unitable items is first or unit declaration. |
| 237 |
if (isset($values[$cssTag . "_unit"])) |
| 238 |
{ |
| 239 |
$unit = $values[$cssTag . "_unit"]; |
| 240 |
} |
| 241 |
elseif(strpos($cssTag, "_unit") !== false) |
| 242 |
{ |
| 243 |
return false; // no print, should be found under first def. |
| 244 |
} |
| 245 |
else $unit = ''; |
| 246 |
|
| 247 |
|
| 248 |
$important = ($this->is_important()) ? " !important" : ""; |
| 249 |
$important = ($cssTag == '@include') ? "" : $important; // mixin's problem, no checking here. |
| 250 |
|
| 251 |
$css_sep = ($cssTag == '@include') ? $css_sep = '' : ':'; |
| 252 |
|
| 253 |
if ($cssVal == 0 && in_array($cssTag, $this->elements_ignore_zero)) |
| 254 |
return false; |
| 255 |
|
| 256 |
if($cssVal !== '' && $cssTag !== '') |
| 257 |
{ |
| 258 |
$statement = "$cssTag $css_sep $cssVal$unit$important$css_end "; |
| 259 |
return $statement; |
| 260 |
} |
| 261 |
return false; |
| 262 |
|
| 263 |
} |
| 264 |
|
| 265 |
function parse_responsive() |
| 266 |
{ |
| 267 |
|
| 268 |
$responsive = $this->responsive; |
| 269 |
if (! is_array($responsive) || count($responsive) == 0) |
| 270 |
return; |
| 271 |
|
| 272 |
$media_queries = maxUtils::get_media_query(2); // query names |
| 273 |
|
| 274 |
$output = ''; |
| 275 |
|
| 276 |
$query_array = array(); |
| 277 |
|
| 278 |
|
| 279 |
foreach($responsive as $element => $queries) |
| 280 |
{ |
| 281 |
foreach($queries as $query => $qdata) |
| 282 |
foreach($qdata as $index => $data) |
| 283 |
{{ |
| 284 |
$query_array[$query][$index][$element] = $data; |
| 285 |
|
| 286 |
}} |
| 287 |
} |
| 288 |
|
| 289 |
|
| 290 |
|
| 291 |
foreach($query_array as $query => $vdata): |
| 292 |
|
| 293 |
if ($query == 'custom') |
| 294 |
{ |
| 295 |
|
| 296 |
// first discover the custom size properties. |
| 297 |
foreach($vdata as $index => $data): |
| 298 |
foreach($data as $element => $values): |
| 299 |
|
| 300 |
if (isset($values["custom_maxwidth"]) || isset($values["custom_minwidth"]) ) |
| 301 |
{ |
| 302 |
|
| 303 |
$minwidth = (isset($values["custom_minwidth"])) ? intval($values["custom_minwidth"]) : -1; |
| 304 |
$maxwidth = (isset($values["custom_maxwidth"])) ? intval($values["custom_maxwidth"]) : -1; |
| 305 |
|
| 306 |
|
| 307 |
unset($vdata[$index][$element]["custom_minwidth"]); |
| 308 |
unset($vdata[$index][$element]["custom_maxwidth"]); |
| 309 |
|
| 310 |
|
| 311 |
// make it always an integer |
| 312 |
if ($minwidth == '') $minwidth = 0; |
| 313 |
if ($maxwidth == '') $maxwidth = 0; |
| 314 |
|
| 315 |
// if minwidth is not set and maxwidth zero or not set - ignore since it would result in an empty media line. |
| 316 |
//if ($minwidth <= 0 && $maxwidth <= 0) |
| 317 |
//{ |
| 318 |
//continue; |
| 319 |
//} |
| 320 |
|
| 321 |
if ($minwidth > 0 && $maxwidth > 0) |
| 322 |
$qdef = "only screen and (min-width: $minwidth" . "px) and (max-width: $maxwidth" . "px)"; |
| 323 |
if ($minwidth >= 0 && $maxwidth <= 0) |
| 324 |
$qdef = "only screen and (min-width: $minwidth" . "px) "; |
| 325 |
if ($minwidth <= 0 && $maxwidth > 0) |
| 326 |
$qdef = "only screen and (max-width: $maxwidth" . "px) "; |
| 327 |
|
| 328 |
//break; |
| 329 |
|
| 330 |
} |
| 331 |
endforeach; //foreach data |
| 332 |
|
| 333 |
// The problem is that every 'custom' query needs to run with a different qdef unlike other queries. |
| 334 |
|
| 335 |
$qdata = array($vdata[$index]); |
| 336 |
|
| 337 |
$output = $this->parse_responsive_definition($output, $qdef, $qdata); |
| 338 |
endforeach; // foreach vdata |
| 339 |
} |
| 340 |
else |
| 341 |
{ |
| 342 |
|
| 343 |
$qdef = $media_queries[$query]; |
| 344 |
$output = $this->parse_responsive_definition($output, $qdef, $vdata); |
| 345 |
} |
| 346 |
|
| 347 |
endforeach; |
| 348 |
|
| 349 |
|
| 350 |
$this->output_css .= $output; |
| 351 |
} |
| 352 |
|
| 353 |
protected function parse_responsive_definition($output, $qdef, $vdata) |
| 354 |
{ |
| 355 |
|
| 356 |
if (! isset($qdef) || $qdef == '') { |
| 357 |
|
| 358 |
return; // no definition. |
| 359 |
} |
| 360 |
|
| 361 |
|
| 362 |
$output .= "@media ". $qdef . " { "; |
| 363 |
|
| 364 |
|
| 365 |
foreach($vdata as $index => $data) |
| 366 |
{ |
| 367 |
|
| 368 |
foreach($data as $element => $values) { |
| 369 |
//foreach($vdat as $index => $values): |
| 370 |
$output .= $element . " { "; |
| 371 |
$css_end = ';'; |
| 372 |
|
| 373 |
// same as parse part, maybe merge in future |
| 374 |
foreach($values as $cssTag => $cssVal) |
| 375 |
{ |
| 376 |
// unit check - two ways; either unitable items is first or unit declaration. |
| 377 |
$statement = $this->parse_cssline($values, $cssTag,$cssVal); |
| 378 |
if($statement) |
| 379 |
$output .= $statement; |
| 380 |
|
| 381 |
} |
| 382 |
|
| 383 |
$output .= " } "; |
| 384 |
// endforeach; |
| 385 |
} |
| 386 |
|
| 387 |
|
| 388 |
} |
| 389 |
$output .= " } "; |
| 390 |
|
| 391 |
//endforeach; |
| 392 |
|
| 393 |
return $output; |
| 394 |
} |
| 395 |
|
| 396 |
private function is_important() |
| 397 |
{ |
| 398 |
|
| 399 |
if ($this->important == 1) |
| 400 |
return true; |
| 401 |
else |
| 402 |
return false; |
| 403 |
} |
| 404 |
|
| 405 |
function findData($data, $el) |
| 406 |
{ |
| 407 |
$classes = explode(".", $el); |
| 408 |
|
| 409 |
foreach($data as $part => $values) |
| 410 |
{ |
| 411 |
if (in_array($part, $classes)) |
| 412 |
return $data[$part]; |
| 413 |
} |
| 414 |
return array(); |
| 415 |
} |
| 416 |
|
| 417 |
function doMixins($values) |
| 418 |
{ |
| 419 |
$mixins = array("gradient", "box-shadow", "text-shadow"); |
| 420 |
|
| 421 |
foreach($mixins as $mixin) |
| 422 |
{ |
| 423 |
|
| 424 |
$results = preg_grep("/^$mixin/i",array_keys($values) ); |
| 425 |
if (count($results) === 0) |
| 426 |
continue; // no mixins. |
| 427 |
|
| 428 |
$mixin_array = array(); |
| 429 |
foreach($results as $result) |
| 430 |
{ |
| 431 |
$mixin_array[$result] = $values[$result]; |
| 432 |
} |
| 433 |
|
| 434 |
if (count($mixin_array) > 0) |
| 435 |
{ |
| 436 |
switch($mixin) |
| 437 |
{ |
| 438 |
case "gradient": |
| 439 |
$values = $this->mixin_gradient($mixin_array, $values); |
| 440 |
|
| 441 |
break; |
| 442 |
case "box-shadow": |
| 443 |
$values = $this->mixin_boxshadow($mixin_array, $values); |
| 444 |
break; |
| 445 |
case "text-shadow": |
| 446 |
$values = $this->mixin_textshadow($mixin_array, $values); |
| 447 |
break; |
| 448 |
} |
| 449 |
} |
| 450 |
|
| 451 |
|
| 452 |
} |
| 453 |
return $values; |
| 454 |
} |
| 455 |
|
| 456 |
function mixin_gradient($results, $values) |
| 457 |
{ |
| 458 |
|
| 459 |
$start = isset($results["gradient-start-color"]) ? $results["gradient-start-color"] : ''; |
| 460 |
$end = isset( $results["gradient-end-color"] ) ? $results["gradient-end-color"] : ''; |
| 461 |
$start_opacity = isset( $results["gradient-start-opacity"] ) ? $results["gradient-start-opacity"] : ''; |
| 462 |
$end_opacity = isset( $results["gradient-end-opacity"] ) ? $results["gradient-end-opacity"] : ''; |
| 463 |
$stop = (isset( $results["gradient-stop"]) && $results["gradient-stop"] != '') ? $results["gradient-stop"] . "%" : '45%'; |
| 464 |
// default to use ( old situation ) |
| 465 |
$use_gradient = (isset($results['gradient-use-gradient']) && $results['gradient-use-gradient'] != '') ? $results['gradient-use-gradient'] : 1; |
| 466 |
|
| 467 |
$start = maxUtils::hex2rgba($start, $start_opacity); |
| 468 |
$end = maxUtils::hex2rgba($end, $end_opacity); |
| 469 |
|
| 470 |
$important = ($this->is_important()) ? "!important" : ""; |
| 471 |
//$values = $this->add_include($values, "linear-gradient($start,$end,$stop,$important)"); |
| 472 |
|
| 473 |
if ($use_gradient == 1) |
| 474 |
{ |
| 475 |
$values = $this->add_include($values, "linear-gradient($start,$end,$stop,$important)"); |
| 476 |
} |
| 477 |
else { |
| 478 |
$values['background-color'] = $start; |
| 479 |
} |
| 480 |
|
| 481 |
// remove the non-css keys from the value array ( field names ) |
| 482 |
$values = array_diff_key($values, $results); |
| 483 |
|
| 484 |
return $values; |
| 485 |
|
| 486 |
} |
| 487 |
|
| 488 |
function mixin_boxshadow($results, $values) |
| 489 |
{ |
| 490 |
$width = $results["box-shadow-width"]; |
| 491 |
$left = $results["box-shadow-offset-left"]; |
| 492 |
$top = $results["box-shadow-offset-top"]; |
| 493 |
$spread = isset($results['box-shadow-spread']) ? $results['box-shadow-spread'] : 0; |
| 494 |
$color = isset($results["box-shadow-color"]) ? $results["box-shadow-color"] : ''; |
| 495 |
|
| 496 |
$important = ($this->is_important()) ? "!important" : ""; |
| 497 |
|
| 498 |
if ($width == 0 && $left == 0 && $top == 0) |
| 499 |
return $values; |
| 500 |
|
| 501 |
$values = $this->add_include($values, "box-shadow($left, $top, $width, $color,$spread, false, $important) "); |
| 502 |
$values = array_diff_key($values, $results); |
| 503 |
|
| 504 |
return $values; |
| 505 |
} |
| 506 |
|
| 507 |
function mixin_textshadow($results, $values) |
| 508 |
{ |
| 509 |
$width = isset($results["text-shadow-width"]) ? $results["text-shadow-width"] : 0; |
| 510 |
$left = isset($results["text-shadow-left"]) ? $results["text-shadow-left"] : 0; |
| 511 |
$top = isset($results["text-shadow-top"]) ? $results["text-shadow-top"] : 0; |
| 512 |
$color = isset($results["text-shadow-color"]) ? $results["text-shadow-color"] : ''; |
| 513 |
$important = ($this->is_important()) ? "!important" : ""; |
| 514 |
|
| 515 |
if ($width == 0 && $left == 0 && $top == 0) |
| 516 |
{ |
| 517 |
$values = array_diff_key($values, $results); // remove them from the values, prevent incorrect output. |
| 518 |
return $values; |
| 519 |
} |
| 520 |
|
| 521 |
$values = $this->add_include($values, "text-shadow ($left,$top,$width,$color $important)"); |
| 522 |
|
| 523 |
$values = array_diff_key($values, $results); |
| 524 |
|
| 525 |
return $values; |
| 526 |
} |
| 527 |
|
| 528 |
private function add_include($values, $include) |
| 529 |
{ |
| 530 |
if (isset($values["@include"])) |
| 531 |
$values["@include"] .= "; @include " . $include; |
| 532 |
else |
| 533 |
$values["@include"] = $include; |
| 534 |
return $values; |
| 535 |
} |
| 536 |
|
| 537 |
function outputInline($domObj, $pseudo = 'normal') |
| 538 |
{ |
| 539 |
$domObj = $domObj->load($domObj->save()); |
| 540 |
|
| 541 |
$inline = $this->inline; |
| 542 |
|
| 543 |
// ISSUE #43 Sometimes this breaks |
| 544 |
if (! isset($inline[$pseudo])) |
| 545 |
return $domObj; |
| 546 |
|
| 547 |
$elements = array_keys($inline[$pseudo]); |
| 548 |
if ($pseudo != 'normal') // gather all elements |
| 549 |
$elements = array_merge($elements, array_keys($inline["normal"])); |
| 550 |
|
| 551 |
foreach($elements as $element ) |
| 552 |
{ |
| 553 |
$styles = isset($inline[$pseudo][$element]) ? $inline[$pseudo][$element] : ''; |
| 554 |
|
| 555 |
if ($pseudo != 'normal') // parse all possible missing styles from pseudo el. |
| 556 |
$normstyle = $this->compile($inline['normal'][$element]); |
| 557 |
|
| 558 |
$normstyle = ''; |
| 559 |
if ($pseudo != 'normal') // parse all possible missing styles from pseudo el. |
| 560 |
$normstyle = $this->compile($inline['normal'][$element]); |
| 561 |
|
| 562 |
maxUtils::addTime("CSSParser: Parse inline done"); |
| 563 |
|
| 564 |
$styles = $normstyle . $this->compile($styles); |
| 565 |
|
| 566 |
$element = trim(str_replace("."," ", $element)); // molten css class, seperator. |
| 567 |
|
| 568 |
$el = $domObj->find('[class*="' . $element . '"]', 0); |
| 569 |
if (is_null($el)) echo "NULL"; |
| 570 |
$el->style = $styles; |
| 571 |
|
| 572 |
} |
| 573 |
|
| 574 |
return $domObj; |
| 575 |
|
| 576 |
} |
| 577 |
|
| 578 |
function output() |
| 579 |
{ |
| 580 |
|
| 581 |
|
| 582 |
} |
| 583 |
|
| 584 |
} |
| 585 |
|
| 586 |
class compileException extends Exception { |
| 587 |
protected $code = -1; |
| 588 |
|
| 589 |
} |
| 590 |
|
