From fa6c14d530a4c00e64d232efd9902fe17322bd93 Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Wed, 29 Jun 2016 16:43:23 +0200
Subject: [PATCH] Improved implementation of objectID handling

---
 .../lib/system/html/IHtmlProcessor.class.php  |  9 -------
 .../html/input/HtmlInputProcessor.class.php   | 10 ++++----
 .../html/output/HtmlOutputProcessor.class.php | 24 ++++++++++++++-----
 3 files changed, 24 insertions(+), 19 deletions(-)

diff --git a/wcfsetup/install/files/lib/system/html/IHtmlProcessor.class.php b/wcfsetup/install/files/lib/system/html/IHtmlProcessor.class.php
index 7233cc082f..577ef30804 100644
--- a/wcfsetup/install/files/lib/system/html/IHtmlProcessor.class.php
+++ b/wcfsetup/install/files/lib/system/html/IHtmlProcessor.class.php
@@ -11,15 +11,6 @@ namespace wcf\system\html;
  * @since       3.0
  */
 interface IHtmlProcessor {
-	/**
-	 * Processes the input html string.
-	 * 
-	 * @param       string          $html           html string
-	 * @param       string          $objectType     object type identifier
-	 * @param       integer         $objectID       object id
-	 */
-	public function process($html, $objectType, $objectID = 0);
-	
 	/**
 	 * Returns the parsed html.
 	 * 
diff --git a/wcfsetup/install/files/lib/system/html/input/HtmlInputProcessor.class.php b/wcfsetup/install/files/lib/system/html/input/HtmlInputProcessor.class.php
index be243403e2..0ab678ae1b 100644
--- a/wcfsetup/install/files/lib/system/html/input/HtmlInputProcessor.class.php
+++ b/wcfsetup/install/files/lib/system/html/input/HtmlInputProcessor.class.php
@@ -34,12 +34,14 @@ class HtmlInputProcessor extends AbstractHtmlProcessor {
 	protected $htmlInputNodeProcessor;
 	
 	/**
-	 * @inheritDoc
+	 * Processes the input html string.
+	 *
+	 * @param       string          $html           html string
+	 * @param       string          $objectType     object type identifier
+	 * @param       integer         $objectID       object id
 	 */
 	public function process($html, $objectType, $objectID = 0) {
-		// object id is always `0` during input processing but is set
-		// before saving embedded objects
-		$this->setContext($objectType, 0);
+		$this->setContext($objectType, $objectID);
 		
 		// enforce consistent newlines
 		$html = StringUtil::unifyNewlines($html);
diff --git a/wcfsetup/install/files/lib/system/html/output/HtmlOutputProcessor.class.php b/wcfsetup/install/files/lib/system/html/output/HtmlOutputProcessor.class.php
index b0daa4b875..4e05849298 100644
--- a/wcfsetup/install/files/lib/system/html/output/HtmlOutputProcessor.class.php
+++ b/wcfsetup/install/files/lib/system/html/output/HtmlOutputProcessor.class.php
@@ -26,13 +26,13 @@ class HtmlOutputProcessor extends AbstractHtmlProcessor {
 	protected $outputType = 'text/html';
 	
 	/**
-	 * @inheritDoc
+	 * Processes the input html string.
+	 *
+	 * @param       string          $html           html string
+	 * @param       string          $objectType     object type identifier
+	 * @param       integer         $objectID       object id
 	 */
-	public function process($html, $objectType, $objectID = 0) {
-		if ($objectID === 0) {
-			throw new \UnexpectedValueException('Object id cannot be 0 for output processing.');
-		}
-		
+	public function process($html, $objectType, $objectID) {
 		$this->setContext($objectType, $objectID);
 		
 		$this->getHtmlOutputNodeProcessor()->setOutputType($this->outputType);
@@ -61,6 +61,18 @@ class HtmlOutputProcessor extends AbstractHtmlProcessor {
 		return $this->getHtmlOutputNodeProcessor()->getHtml();
 	}
 	
+	/**
+	 * @inheritdoc
+	 * @throws \InvalidArgumentException
+	 */
+	public function setContext($objectType, $objectID) {
+		if (!$objectID) {
+			throw new \InvalidArgumentException("Output processor requires a valid objectID.");
+		}
+		
+		parent::setContext($objectType, $objectID);
+	}
+	
 	/**
 	 * Returns the output node processor instance.
 	 * 
-- 
2.20.1