Fixed handling absent href attribute in base tag

mvdbos · fabpot · commit b1ea8e5b681c · 2013-02-26T17:49:54.000+01:00
The HTML5 spec states that the href attribute is optional for the base tag. Fixed the DomCrawler::addHtmlContent() method to support this See here and here: http://www.w3.org/TR/html-markup/base.html#base.attrs.href http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#the-base-element
diff --git a/src/Symfony/Component/DomCrawler/Crawler.php b/src/Symfony/Component/DomCrawler/Crawler.php
@@ -145,8 +145,9 @@ public function addHtmlContent($content, $charset = 'UTF-8')
 
         $base = $this->filterXPath('descendant-or-self::base')->extract(array('href'));
 
-        if (count($base)) {
-            $this->uri = current($base);
+        $baseHref = current($base);
+        if (count($base) && !empty($baseHref)) {
+            $this->uri = $baseHref;
         }
     }
 
diff --git a/src/Symfony/Component/DomCrawler/Tests/CrawlerTest.php b/src/Symfony/Component/DomCrawler/Tests/CrawlerTest.php
@@ -80,6 +80,18 @@ public function testAddHtmlContentCharset()
         $this->assertEquals('Tiếng Việt', $crawler->filterXPath('//div')->text());
     }
 
+    /**
+     * @covers Symfony\Component\DomCrawler\Crawler::addHtmlContent
+     */
+    public function testAddHtmlContentInvalidBaseTag()
+    {
+        $crawler = new Crawler(null, 'http://symfony.com');
+
+        $crawler->addHtmlContent('<html><head><base target="_top"></head><a href="/contact"></a></html>', 'UTF-8');
+
+        $this->assertEquals('http://symfony.com/contact', current($crawler->filterXPath('//a')->links())->getUri(), '->addHtmlContent() correctly handles a non-existent base tag href attribute');
+    }
+
     /**
      * @covers Symfony\Component\DomCrawler\Crawler::addHtmlContent
      */

Original file line number	Diff line number	Diff line change
`@@ -145,8 +145,9 @@ public function addHtmlContent($content, $charset = 'UTF-8')`
`145`	`145`
`146`	`146`	`$base = $this->filterXPath('descendant-or-self::base')->extract(array('href'));`
`147`	`147`
`148`		`- if (count($base)) {`
`149`		`- $this->uri = current($base);`
	`148`	`+ $baseHref = current($base);`
	`149`	`+ if (count($base) && !empty($baseHref)) {`
	`150`	`+ $this->uri = $baseHref;`
`150`	`151`	`}`
`151`	`152`	`}`
`152`	`153`