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Support for inserting an item in a CSSList #115

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Support for inserting an item in a CSSList #115

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14 changes: 14 additions & 0 deletions lib/Sabberworm/CSS/CSSList/CSSList.php
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,20 @@ public function append($oItem) {
$this->aContents[] = $oItem;
}

/**
* Insert an item before its sibling.
*
* @param mixed $oItem The item.
* @param mixed $oSibling The sibling.
*/
public function insert($oItem, $oSibling) {
$iIndex = array_search($oSibling, $this->aContents);
if ($iIndex === false) {
return $this->append($oItem);
}
array_splice($this->aContents, $iIndex, 0, array($oItem));
}

/**
* Removes an item from the CSS list.
* @param RuleSet|Import|Charset|CSSList $oItemToRemove May be a RuleSet (most likely a DeclarationBlock), a Import, a Charset or another CSSList (most likely a MediaQuery)
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33 changes: 33 additions & 0 deletions tests/Sabberworm/CSS/CSSList/DocumentTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

namespace Sabberworm\CSS\CSSList;

use Sabberworm\CSS\RuleSet\DeclarationBlock;
use Sabberworm\CSS\Parser;

class DocumentTest extends \PHPUnit_Framework_TestCase {
Expand All @@ -23,4 +24,36 @@ public function testOverrideContents() {
$this->assertCount(2, $aFinalContents);
}

public function testInsertContent() {
$sCss = '.thing { left: 10px; } .stuff { margin: 1px; } ';
$oParser = new Parser($sCss);
$oDoc = $oParser->parse();
$aContents = $oDoc->getContents();
$this->assertCount(2, $aContents);

$oThing = $aContents[0];
$oStuff = $aContents[1];

$oFirst = new DeclarationBlock();
$oFirst->setSelectors('.first');
$oBetween = new DeclarationBlock();
$oBetween->setSelectors('.between');
$oOrphan = new DeclarationBlock();
$oOrphan->setSelectors('.forever-alone');
$oNotFound = new DeclarationBlock();
$oNotFound->setSelectors('.not-found');

$oDoc->insert($oFirst, $oThing);
$oDoc->insert($oBetween, $oStuff);
$oDoc->insert($oOrphan, $oNotFound);

$aContents = $oDoc->getContents();
$this->assertCount(5, $aContents);
$this->assertSame($oFirst, $aContents[0]);
$this->assertSame($oThing, $aContents[1]);
$this->assertSame($oBetween, $aContents[2]);
$this->assertSame($oStuff, $aContents[3]);
$this->assertSame($oOrphan, $aContents[4]);
}

}