Implement redlinks and fix another issue with the parser

Changelog.md

@@ -21,6 +21,7 @@
  - Fixed an issue with the recent changes page and redirects causing a large number of warnings
  - Fixed a number of issues with the image syntax
 	- Image urls may now contain ampersands ('&')
+    - Several warnings that were cropping up here and there due to bugs have been squashed
  - Fixed a number of issues with the image preview generator
 	- Requests for a previews of pages that don't have an associated file won't break anymore. An error image will now be returned instead.
     - A number of things that were not compatible with PHP 7 have been updated to ensure compatibility.

build/index.php

@@ -330,6 +330,9 @@ h1 { text-align: center; }
 .logo.small { max-width: 2rem; max-height: 2rem; }
 main:not(.printable) { padding: 2rem; background: #faf8fb; box-shadow: 0 0.1rem 1rem 0.3rem rgba(50, 50, 50, 0.5); }
 
+a.redlink:link { color: rgb(230, 7, 7); }
+a.redlink:visited { color: rgb(130, 15, 15); #8b1a1a }
+
 .search-result { position: relative; }
 .search-result::before { content: attr(data-result-number); position: relative; top: 3.2rem; color: rgba(33, 33, 33, 0.3); font-size: 2rem; }
 .search-result::after { content: \"Rank: \" attr(data-rank); position: absolute; top: 3.8rem; right: 0.7rem; color: rgba(50, 50, 50, 0.3); }
@@ -4330,7 +4333,9 @@ class PeppermintParsedown extends ParsedownExtra
 	
 	protected function inlineInternalLink($fragment)
 	{
-		if(preg_match('/^\[\[(.*)\]\]/', $fragment["text"], $matches))
+		global $pageindex;
+		
+		if(preg_match('/^\[\[([^\]]*)\]\]/', $fragment["text"], $matches))
 		{
 			$display = $linkPage = $matches[1];
 			if(strpos($matches[1], "|"))
@@ -4347,7 +4352,7 @@ class PeppermintParsedown extends ParsedownExtra
 				$this->internalLinkBase
 			);
 			
-			return [
+			$result = [
 				"extent" => strlen($matches[0]),
 				"element" => [
 					"name" => "a",
@@ -4357,6 +4362,11 @@ class PeppermintParsedown extends ParsedownExtra
 					]
 				]
 			];
+			
+			if(empty($pageindex->$linkPage))
+				$result["element"]["attributes"]["class"] = "redlink";
+			
+			return $result;
 		}
 		return;
 	}

module_index.json

@@ -194,7 +194,7 @@
         "author": "Emanuil Rusev & Starbeamrainbowlabs",
         "description": "An upgraded (now default!) parser based on Emanuil Rusev's Parsedown Extra PHP library (https:\/\/github.com\/erusev\/parsedown-extra), which is licensed MIT. Please be careful, as this module adds a some weight to your installation, and also *requires* write access to the disk on first load.",
         "id": "parser-parsedown",
-        "lastupdate": 1460102415,
+        "lastupdate": 1460104064,
         "optional": false
     }
 ]

modules/parser-parsedown.php

@@ -212,7 +212,9 @@ class PeppermintParsedown extends ParsedownExtra
 	
 	protected function inlineInternalLink($fragment)
 	{
-		if(preg_match('/^\[\[(.*)\]\]/', $fragment["text"], $matches))
+		global $pageindex;
+		
+		if(preg_match('/^\[\[([^\]]*)\]\]/', $fragment["text"], $matches))
 		{
 			$display = $linkPage = $matches[1];
 			if(strpos($matches[1], "|"))
@@ -229,7 +231,7 @@ class PeppermintParsedown extends ParsedownExtra
 				$this->internalLinkBase
 			);
 			
-			return [
+			$result = [
 				"extent" => strlen($matches[0]),
 				"element" => [
 					"name" => "a",
@@ -239,6 +241,11 @@ class PeppermintParsedown extends ParsedownExtra
 					]
 				]
 			];
+			
+			if(empty($pageindex->$linkPage))
+				$result["element"]["attributes"]["class"] = "redlink";
+			
+			return $result;
 		}
 		return;
 	}

settings.fragment.php

@@ -327,6 +327,9 @@ h1 { text-align: center; }
 .logo.small { max-width: 2rem; max-height: 2rem; }
 main:not(.printable) { padding: 2rem; background: #faf8fb; box-shadow: 0 0.1rem 1rem 0.3rem rgba(50, 50, 50, 0.5); }
 
+a.redlink:link { color: rgb(230, 7, 7); }
+a.redlink:visited { color: rgb(130, 15, 15); #8b1a1a }
+
 .search-result { position: relative; }
 .search-result::before { content: attr(data-result-number); position: relative; top: 3.2rem; color: rgba(33, 33, 33, 0.3); font-size: 2rem; }
 .search-result::after { content: \"Rank: \" attr(data-rank); position: absolute; top: 3.8rem; right: 0.7rem; color: rgba(50, 50, 50, 0.3); }