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[CssSelector] fixed CssSelector::toXPath() when the CSS selector is an empty string

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This commit is contained in:
Fabien Potencier 2012-03-11 10:18:25 +01:00
parent 1b9b42893f
commit a82737528c
2 changed files with 5 additions and 0 deletions
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4
src/Symfony/Component/CssSelector/CssSelector.php
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@ -45,6 +45,10 @@ class CssSelector
static public function toXPath($cssExpr, $prefix = 'descendant-or-self::')
{
if (is_string($cssExpr)) {
if (!$cssExpr) {
return $prefix.'*';
}
if (preg_match('#^\w+\s*$#u', $cssExpr, $match)) {
return $prefix.trim($match[0]);
}

1
tests/Symfony/Tests/Component/CssSelector/CssSelectorTest.php
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@ -17,6 +17,7 @@ class CssSelectorTest extends \PHPUnit_Framework_TestCase
{
public function testCsstoXPath()
{
$this->assertEquals('descendant-or-self::*', CssSelector::toXPath(''));
$this->assertEquals('descendant-or-self::h1', CssSelector::toXPath('h1'));
$this->assertEquals("descendant-or-self::h1[@id = 'foo']", CssSelector::toXPath('h1#foo'));
$this->assertEquals("descendant-or-self::h1[contains(concat(' ', normalize-space(@class), ' '), ' foo ')]", CssSelector::toXPath('h1.foo'));