Support for overriding all contents and rules

Author: Frederic Massart

lib/Sabberworm/CSS/CSSList/CSSList.php

@@ -45,6 +45,17 @@ public function remove($oItemToRemove) {
 		return false;
 	}
 
+	/**
+	 * Set the contents.
+	 * @param array $aContents Objects to set as content.
+	 */
+	public function setContents(array $aContents) {
+		$this->aContents = array();
+		foreach ($aContents as $content) {
+			$this->append($content);
+		}
+	}
+
 	/**
 	 * Removes a declaration block from the CSS list if it matches all given selectors.
 	 * @param array|string $mSelector The selectors to match.

lib/Sabberworm/CSS/RuleSet/RuleSet.php

@@ -53,7 +53,18 @@ public function getRules($mRule = null) {
 		}
 		return $aResult;
 	}
-	
+
+	/**
+	 * Override all the rules of this set.
+	 * @param array $aRules The rules to override with.
+	 */
+	public function setRules(array $aRules) {
+		$this->aRules = array();
+		foreach ($aRules as $rule) {
+			$this->addRule($rule);
+		}
+	}
+
 	/**
 	 * Returns all rules matching the given pattern and returns them in an associative array with the rule’s name as keys. This method exists mainly for backwards-compatibility and is really only partially useful.
 	 * @param (string) $mRule pattern to search for. If null, returns all rules. if the pattern ends with a dash, all rules starting with the pattern are returned as well as one matching the pattern with the dash excluded. passing a Rule behaves like calling getRules($mRule->getRule()).

tests/Sabberworm/CSS/CSSList/DocumentTest.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Sabberworm\CSS\CSSList;
+
+use Sabberworm\CSS\Parser;
+
+class DocumentTest extends \PHPUnit_Framework_TestCase {
+
+	public function testOverrideContents() {
+		$sCss = '.thing { left: 10px; }';
+		$oParser = new Parser($sCss);
+		$oDoc = $oParser->parse();
+		$aContents = $oDoc->getContents();
+		$this->assertCount(1, $aContents);
+
+		$sCss2 = '.otherthing { right: 10px; }';
+		$oParser2 = new Parser($sCss);
+		$oDoc2 = $oParser2->parse();
+		$aContents2 = $oDoc2->getContents();
+
+		$oDoc->setContents(array($aContents[0], $aContents2[0]));
+		$aFinalContents = $oDoc->getContents();
+		$this->assertCount(2, $aFinalContents);
+	}
+
+}

tests/Sabberworm/CSS/RuleSet/DeclarationBlockTest.php

@@ -3,6 +3,7 @@
 namespace Sabberworm\CSS\RuleSet;
 
 use Sabberworm\CSS\Parser;
+use Sabberworm\CSS\Rule\Rule;
 
 class DeclarationBlockTest extends \PHPUnit_Framework_TestCase {
 
@@ -205,4 +206,22 @@ public function createBackgroundShorthandProvider() {
 		);
 	}
 
+	public function testOverrideRules() {
+		$sCss = '.wrapper { left: 10px; text-align: left; }';
+		$oParser = new Parser($sCss);
+		$oDoc = $oParser->parse();
+		$oRule = new Rule('right');
+		$oRule->setValue('-10px');
+		$aContents = $oDoc->getContents();
+		$oWrapper = $aContents[0];
+
+		$this->assertCount(2, $oWrapper->getRules());
+		$aContents[0]->setRules(array($oRule));
+
+		$aRules = $oWrapper->getRules();
+		$this->assertCount(1, $aRules);
+		$this->assertEquals('right', $aRules[0]->getRule());
+		$this->assertEquals('-10px', $aRules[0]->getValue());
+	}
+
 }