示例#1
0
 public function resolve($imported_files = array())
 {
     if (empty($imported_files)) {
         $imported_files[] = $this->stylesheet->getHref();
     }
     $encoding = $this->stylesheet->getCharset();
     $lexer = new Lexer();
     $parser = new Parser($lexer);
     $url_resolver = new UrlResolver($this->stylesheet, $this->base_url);
     $url_resolver->resolve();
     foreach ($this->stylesheet->getRuleList()->getRules() as $rule) {
         if ($rule instanceof Rule\Import) {
             $url = $rule->getHref()->getUrl()->getString();
             // Take care of circular imports !
             if (in_array($url, $imported_files)) {
                 continue;
             } else {
                 $imported_files[] = $url;
             }
             try {
                 $source = Loader::load($url, $encoding);
             } catch (StyleSheetNotFoundException $e) {
                 // FIXME: should we remove the rule ?
                 continue;
             }
             // Do the parsing
             $lexer->setSource($source);
             $stylesheet = $parser->parseStyleSheet();
             // Remove charset rules
             $rule_list = $stylesheet->getRuleList();
             foreach ($rule_list->getItems() as $sub_rule) {
                 if ($sub_rule instanceof Rule\Charset) {
                     $stylesheet->getRuleList()->remove($sub_rule);
                     // Only one charset is allowed, so we can
                     break;
                 }
             }
             $rule_list->resetKeys();
             // Do the recurse
             $resolver = new ImportResolver($stylesheet);
             $resolver->resolve($imported_files);
             // Wrap into media query if needed
             if ($rule->getMediaQueryList() !== null && !$rule->getMediaQueryList()->isEmpty()) {
                 $media_query = new Rule\Media($rule->getMediaQueryList(), $rule_list);
                 $this->stylesheet->getRuleList()->replace($rule, $media_query);
             } else {
                 $this->stylesheet->getRuleList()->replace($rule, $rule_list->getItems());
             }
         }
     }
 }
示例#2
0
/* Discards the rule til end of stylesheet, since no matching bracket can be found */
/*p{ foo:bar; foo{;bar("baz)};"; baz:boo }
h1{}*/
EOS;
$timer = new Benchmark_Timer();
//$nb_iterations = 1;
$timer->start();
$source = new Source\String($css);
$timer->setMarker(sprintf("Source init: %s", $source->getEncoding()));
$lexer = new Css\Lexer();
$lexer->setSource($source);
$timer->setMarker("Lexer init");
//$token = $lexer->nextToken();
//while ($token->type !== Css\Lexer::T_EOF) {
//echo $lexer->getLiteral($token) . PHP_EOL;
//$token = $lexer->nextToken();
//}
//echo $lexer->getLiteral($token) . PHP_EOL;
//$timer->setMarker("Tokenization end");
$parser = new Css\Parser($lexer);
$parser->setStrict(false);
$stylesheet = $parser->parseStyleSheet();
$timer->setMarker("Parsing end");
foreach ($parser->errors as $error) {
    echo "Start: " . $lexer->getLiteral($error['start']) . "\n";
    echo "End: " . $lexer->getLiteral($error['end']) . "\n";
}
var_dump($stylesheet->getCssText());
//printf("Memory: %s\n", memory_get_usage(true));
//printf("Memory peak: %s\n", memory_get_peak_usage(true));
//echo $timer->getOutput();
示例#3
0
<?php

require_once __DIR__ . '/../../vendor/autoload.php';
use ju1ius\Css;
$lexer = new Css\Lexer();
$parser = new Css\Parser($lexer);
$css = <<<EOS
div {
  background: url(foo.png) top left / 12% 25% no-repeat fixed;
  border-radius: 1px 2px 3px / 1px 2px 3px;
}
EOS;
$lexer->setSource(Css\Loader::loadString($css));
$stylesheet = $parser->parseStyleSheet();
$value_list = $stylesheet->getFirstRule()->getStyleDeclaration()->getAppliedProperty('background')->getValueList();
var_dump($value_list);
$values = array('foo', ' ', 'bar', ' ', 'baz', '/', 'bidule', ',', 'boom', ' ', 'truc');
$delimiters = array('/' => 0, ',' => 2, ' ' => 1);
//$result = reduce($values, $delimiters);
//var_dump($result);
function reduce($values, $delimiters)
{
    if (count($values) === 1) {
        return $values[0];
    }
    foreach ($delimiters as $delimiter => $binds) {
        $start = null;
        $indexes = array_keys($values, $delimiter, true);
        if ($binds === 0) {
            foreach ($indexes as $idx) {
            }
示例#4
0
$css = <<<EOS
h1:not(.foo)
EOS;
$timer = new Benchmark_Timer();
//$nb_iterations = 1;
$timer->start();
$source = new Source\String($css);
$timer->setMarker("Source init");
$lexer = new Css\Lexer();
$lexer->setSource($source);
$timer->setMarker("Lexer init");
$token = $lexer->nextToken();
while ($token->type !== Css\Lexer::T_EOF) {
    echo $lexer->getLiteral($token) . PHP_EOL;
    $token = $lexer->nextToken();
}
echo $lexer->getLiteral($token) . PHP_EOL;
$timer->setMarker("Tokenization end");
$parser = new Css\Parser($lexer);
$selector = $parser->parseSelector();
$timer->setMarker("Parsing end");
//var_dump($selector);
//echo $selector->toXpath() . PHP_EOL;
$dom = \DOMDocument::loadXML($xml);
$xpath = new \DOMXPath($dom);
$query = $selector->toXpath();
$elements = $xpath->query($query);
var_dump((string) $query);
foreach ($elements as $element) {
    var_dump($element->textContent);
}