feat: QLOPML extension

QLOPML/Base.lproj/PreviewViewController.xib

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="11762" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+    <dependencies>
+        <deployment identifier="macosx"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="11762"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <customObject id="-2" userLabel="File's Owner" customClass="PreviewViewController" customModuleProvider="">
+            <connections>
+                <outlet property="view" destination="c22-O7-iKe" id="NRM-P4-wb6"/>
+            </connections>
+        </customObject>
+        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <customView id="c22-O7-iKe" userLabel="Preview View">
+            <rect key="frame" x="0.0" y="0.0" width="480" height="272"/>
+            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+        </customView>
+    </objects>
+</document>

QLOPML/Info.plist

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleDisplayName</key>
+	<string>QLOPML</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(MARKETING_VERSION)</string>
+	<key>CFBundleVersion</key>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+	<key>NSExtension</key>
+	<dict>
+		<key>NSExtensionAttributes</key>
+		<dict>
+			<key>QLSupportedContentTypes</key>
+			<array>
+				<string>org.opml.opml</string>
+			</array>
+			<key>QLSupportsSearchableItems</key>
+			<false/>
+		</dict>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.quicklook.preview</string>
+		<key>NSExtensionPrincipalClass</key>
+		<string>PreviewViewController</string>
+	</dict>
+	<key>NSHumanReadableCopyright</key>
+	<string>Copyright © 2025 relikd.</string>
+</dict>
+</plist>

QLOPML/PreviewViewController.h

@@ -0,0 +1,5 @@
+#import <Cocoa/Cocoa.h>
+
+@interface PreviewViewController : NSViewController
+
+@end

QLOPML/PreviewViewController.m

@@ -0,0 +1,27 @@
+#import "PreviewViewController.h"
+#import <Quartz/Quartz.h>
+#import <WebKit/WebKit.h>
+#include "opml-lib.h"
+
+@interface PreviewViewController () <QLPreviewingController>
+@end
+
+@implementation PreviewViewController
+
+- (NSString *)nibName {
+	return @"PreviewViewController";
+}
+
+- (void)preparePreviewOfFileAtURL:(NSURL *)url completionHandler:(void (^)(NSError * _Nullable))handler {
+	NSData *data = generateHTMLData(url, [NSBundle mainBundle], NO);
+	// sure, we could use `WKWebView`, but that requires the `com.apple.security.network.client` entitlement
+	WebView *web = [[WebView alloc] initWithFrame:self.view.bounds];
+	web.autoresizingMask = NSViewWidthSizable | NSViewHeightSizable;
+	[self.view addSubview:web];
+//	[web.mainFrame loadHTMLString:html baseURL:nil];
+	[web.mainFrame loadData:data MIMEType:@"text/html" textEncodingName:@"UTF-8" baseURL:nil];
+	handler(nil);
+}
+
+@end
+

QLOPML/QLOPML.entitlements

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>com.apple.security.app-sandbox</key>
+    <true/>
+    <key>com.apple.security.files.user-selected.read-only</key>
+    <true/>
+</dict>
+</plist>

QLOPML/opml-lib.h

@@ -0,0 +1,7 @@
+#ifndef opml_lib_h
+#define opml_lib_h
+
+NSData* generateHTMLData(NSURL *url, NSBundle *bundle, BOOL thumb);
+//void renderThumbnail(CFURLRef url, CFBundleRef bundle, CGContextRef context, CGSize maxSize);
+
+#endif /* opml_lib_h */

QLOPML/opml-lib.m

@@ -0,0 +1,116 @@
+#import <Foundation/Foundation.h>
+#import <AppKit/AppKit.h>
+//#import <WebKit/WebKit.h>
+
+//  ---------------------------------------------------------------
+// |
+// |  OPML renderer
+// |
+//  ---------------------------------------------------------------
+
+NSXMLElement* make(NSString *tag, NSString *text, NSXMLElement *parent) {
+	NSXMLElement *div = [NSXMLElement elementWithName:tag];
+	if (text) div.stringValue = text;
+	[parent addChild:div];
+	return div;
+}
+
+void attribute(NSXMLElement *parent, NSString *key, NSString *value) {
+	[parent addAttribute:[NSXMLElement attributeWithName:key stringValue:value]];
+}
+
+NSXMLElement* section(NSString *title, NSString *container, NSXMLElement *parent) {
+	make(@"h3", title, parent);
+	NSXMLElement *div = make(container, nil, parent);
+	attribute(div, @"class", @"section");
+	return div;
+}
+
+void appendNode(NSXMLElement *child, NSXMLElement *parent, Boolean thumb) {
+	
+	if ([child.name isEqualToString:@"head"]) {
+		if (thumb)
+			return;
+		NSXMLElement *dl = section(@"Metadata:", @"dl", parent);
+		for (NSXMLElement *head in child.children) {
+			make(@"dt", head.name, dl);
+			make(@"dd", head.stringValue, dl);
+		}
+		return;
+	}
+	
+	if ([child.name isEqualToString:@"body"]) {
+		parent = thumb ? make(@"ul", nil, parent) : section(@"Content:", @"ul", parent);
+		
+	} else if ([child.name isEqualToString:@"outline"]) {
+		if ([child attributeForName:@"separator"].stringValue) {
+			make(@"hr", nil, parent);
+		} else {
+			NSString *desc = [child attributeForName:@"title"].stringValue;
+			if (!desc || desc.length == 0)
+				desc = [child attributeForName:@"text"].stringValue;
+			// refreshInterval
+			NSXMLElement *li = make(@"li", desc, parent);
+			if (!thumb) {
+				NSString *xmlUrl = [child attributeForName:@"xmlUrl"].stringValue;
+				if (xmlUrl && xmlUrl.length > 0) {
+					[li addChild:[NSXMLNode textWithStringValue:@" — "]];
+					attribute(make(@"a", xmlUrl, li), @"href", xmlUrl);
+				}
+			}
+		}
+		if (child.childCount > 0) {
+			parent = make(@"ul", nil, parent);
+		}
+	}
+	for (NSXMLElement *c in child.children) {
+		appendNode(c, parent, thumb);
+	}
+}
+
+NSData* generateHTMLData(NSURL *url, NSBundle *bundle, BOOL thumb) {
+	NSError *err;
+	NSXMLDocument *doc = [[NSXMLDocument alloc] initWithContentsOfURL:url options:0 error:&err];
+	if (err || !doc) {
+		printf("ERROR: %s\n", err.description.UTF8String);
+		return nil;
+	}
+	
+	NSXMLElement *html = [NSXMLElement elementWithName:@"html"];
+	NSXMLElement *head = make(@"head", nil, html);
+	make(@"title", @"OPML file", head);
+	
+	NSString *cssPath = [bundle pathForResource:thumb ? @"style-thumb" : @"style" ofType:@"css"];
+	NSString *data = [NSString stringWithContentsOfFile:cssPath encoding:NSUTF8StringEncoding error:nil];
+	make(@"style", data, head);
+	
+	NSXMLElement *body = make(@"body", nil, html);
+	
+	for (NSXMLElement *child in doc.children) {
+		appendNode(child, body, thumb);
+	}
+	NSXMLDocument *xml = [NSXMLDocument documentWithRootElement:html];
+	return [xml XMLDataWithOptions:NSXMLNodePrettyPrint | NSXMLNodeCompactEmptyElement];
+}
+
+
+/*void renderThumbnail(CFURLRef url, CFBundleRef bundle, CGContextRef context, CGSize maxSize) {
+	NSData *data = generateHTMLData((__bridge NSURL*)url, bundle, true);
+	if (data) {
+		CGRect rect = CGRectMake(0, 0, 600, 800);
+		float scale = maxSize.height / rect.size.height;
+		
+		WebView *webView = [[WebView alloc] initWithFrame:rect];
+		[webView.mainFrame.frameView scaleUnitSquareToSize:CGSizeMake(scale, scale)];
+		[webView.mainFrame.frameView setAllowsScrolling:NO];
+		[webView.mainFrame loadData:data MIMEType:@"text/html" textEncodingName:@"utf-8" baseURL:nil];
+		
+		while ([webView isLoading])
+		  CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, true);
+		[webView display];
+		
+		NSGraphicsContext *gc = [NSGraphicsContext graphicsContextWithGraphicsPort:(void *)context
+																		   flipped:webView.isFlipped];
+		[webView displayRectIgnoringOpacity:webView.bounds inContext:gc];
+	}
+}*/

QLOPML/style.css

@@ -0,0 +1,12 @@
+
+* { font-family: Courier; }
+body { padding: 30px; background-color: #AAA; color: black; }
+dd, li, hr { font-weight: bold; line-height: 1.5em; }
+ul { list-style-type: none; padding-bottom: 1em; }
+a { font-size: 0.75em; color: #FBA43A; }
+.section { padding: 1em 1.5em; border-radius: 7px; background-color: #EEE; }
+
+@media (prefers-color-scheme: dark) {
+body { background-color: #555; color: white; }
+.section { background-color: #222; }
+}

baRSS.xcodeproj/project.pbxproj

@@ -19,6 +19,8 @@
 		54253C952C49BFE400742695 /* RegexConverterView.m in Sources */ = {isa = PBXBuildFile; fileRef = 54253C842C47369000742695 /* RegexConverterView.m */; };
 		544B011A2114B41200386E5C /* ModalSheet.m in Sources */ = {isa = PBXBuildFile; fileRef = 544B01192114B41200386E5C /* ModalSheet.m */; };
 		544B011D2114EE9100386E5C /* AppHook.m in Sources */ = {isa = PBXBuildFile; fileRef = 544B011C2114EE9100386E5C /* AppHook.m */; };
+		544F5A752E30EFC700674F81 /* style.css in Resources */ = {isa = PBXBuildFile; fileRef = 544F5A722E30EFC700674F81 /* style.css */; };
+		544F5A762E30EFC700674F81 /* opml-lib.m in Sources */ = {isa = PBXBuildFile; fileRef = 544F5A702E30EFC700674F81 /* opml-lib.m */; };
 		54501010230E9C8600F0B165 /* FeedDownload.m in Sources */ = {isa = PBXBuildFile; fileRef = 5450100F230E9C8600F0B165 /* FeedDownload.m */; };
 		546A6A2922C583390034E806 /* SettingsGeneralView.m in Sources */ = {isa = PBXBuildFile; fileRef = 54D857D122802309001BA1C8 /* SettingsGeneralView.m */; };
 		546A6A2C22C584AF0034E806 /* SettingsAppearanceView.m in Sources */ = {isa = PBXBuildFile; fileRef = 546A6A2A22C584AF0034E806 /* SettingsAppearanceView.m */; };
@@ -40,6 +42,10 @@
 		54ACC29821061FBA0020715F /* Preferences.m in Sources */ = {isa = PBXBuildFile; fileRef = 54ACC29721061FBA0020715F /* Preferences.m */; };
 		54AD4E0C2301853D000AE386 /* NSString+Ext.m in Sources */ = {isa = PBXBuildFile; fileRef = 54AD4E0B2301853D000AE386 /* NSString+Ext.m */; };
 		54AD4EE72305B17D000AE386 /* container-migration.plist in Resources */ = {isa = PBXBuildFile; fileRef = 54AD4EE62305B17D000AE386 /* container-migration.plist */; };
+		54AD90EA2E30C48400160925 /* Quartz.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 54AD90E92E30C48400160925 /* Quartz.framework */; };
+		54AD90EE2E30C48400160925 /* PreviewViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 54AD90ED2E30C48400160925 /* PreviewViewController.m */; };
+		54AD90F12E30C48400160925 /* PreviewViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = 54AD90EF2E30C48400160925 /* PreviewViewController.xib */; };
+		54AD90F72E30C48400160925 /* QLOPML.appex in Embed App Extensions */ = {isa = PBXBuildFile; fileRef = 54AD90E72E30C48400160925 /* QLOPML.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
 		54B51704226DC339006C1B29 /* ModalFeedEditView.m in Sources */ = {isa = PBXBuildFile; fileRef = 54B51703226DC339006C1B29 /* ModalFeedEditView.m */; };
 		54B517072270E990006C1B29 /* NSView+Ext.m in Sources */ = {isa = PBXBuildFile; fileRef = 54B517062270E92A006C1B29 /* NSView+Ext.m */; };
 		54B6F14A231551B3002C94C9 /* FaviconDownload.m in Sources */ = {isa = PBXBuildFile; fileRef = 54B6F149231551B3002C94C9 /* FaviconDownload.m */; };
@@ -77,6 +83,13 @@
 			remoteGlobalIDString = 84F22C171B52DDEA000060CE;
 			remoteInfo = RSXML2Tests;
 		};
+		54AD90F42E30C48400160925 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 54ACC27421061B3B0020715F /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 54AD90E62E30C48400160925;
+			remoteInfo = QLOPML;
+		};
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -91,6 +104,17 @@
 			name = "Embed Frameworks";
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		54AD90F62E30C48400160925 /* Embed App Extensions */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 13;
+			files = (
+				54AD90F72E30C48400160925 /* QLOPML.appex in Embed App Extensions */,
+			);
+			name = "Embed App Extensions";
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
@@ -120,6 +144,9 @@
 		544B01192114B41200386E5C /* ModalSheet.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ModalSheet.m; sourceTree = "<group>"; };
 		544B011B2114EE9100386E5C /* AppHook.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AppHook.h; sourceTree = "<group>"; };
 		544B011C2114EE9100386E5C /* AppHook.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = AppHook.m; sourceTree = "<group>"; };
+		544F5A6F2E30EFC700674F81 /* opml-lib.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "opml-lib.h"; sourceTree = "<group>"; };
+		544F5A702E30EFC700674F81 /* opml-lib.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = "opml-lib.m"; sourceTree = "<group>"; };
+		544F5A722E30EFC700674F81 /* style.css */ = {isa = PBXFileReference; lastKnownFileType = text.css; path = style.css; sourceTree = "<group>"; };
 		5450100E230E9C8600F0B165 /* FeedDownload.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = FeedDownload.h; sourceTree = "<group>"; };
 		5450100F230E9C8600F0B165 /* FeedDownload.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = FeedDownload.m; sourceTree = "<group>"; };
 		546A6A2A22C584AF0034E806 /* SettingsAppearanceView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SettingsAppearanceView.m; sourceTree = "<group>"; };
@@ -160,6 +187,13 @@
 		54AD4E0B2301853D000AE386 /* NSString+Ext.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = "NSString+Ext.m"; sourceTree = "<group>"; };
 		54AD4EE42305AF60000AE386 /* baRSS.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = baRSS.entitlements; sourceTree = "<group>"; };
 		54AD4EE62305B17D000AE386 /* container-migration.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "container-migration.plist"; sourceTree = "<group>"; };
+		54AD90E72E30C48400160925 /* QLOPML.appex */ = {isa = PBXFileReference; explicitFileType = "wrapper.app-extension"; includeInIndex = 0; path = QLOPML.appex; sourceTree = BUILT_PRODUCTS_DIR; };
+		54AD90E92E30C48400160925 /* Quartz.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Quartz.framework; path = System/Library/Frameworks/Quartz.framework; sourceTree = SDKROOT; };
+		54AD90EC2E30C48400160925 /* PreviewViewController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = PreviewViewController.h; sourceTree = "<group>"; };
+		54AD90ED2E30C48400160925 /* PreviewViewController.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = PreviewViewController.m; sourceTree = "<group>"; };
+		54AD90F02E30C48400160925 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/PreviewViewController.xib; sourceTree = "<group>"; };
+		54AD90F22E30C48400160925 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+		54AD90F32E30C48400160925 /* QLOPML.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = QLOPML.entitlements; sourceTree = "<group>"; };
 		54B51702226DC339006C1B29 /* ModalFeedEditView.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ModalFeedEditView.h; sourceTree = "<group>"; };
 		54B51703226DC339006C1B29 /* ModalFeedEditView.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = ModalFeedEditView.m; sourceTree = "<group>"; };
 		54B517052270E8C6006C1B29 /* NSView+Ext.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "NSView+Ext.h"; sourceTree = "<group>"; };
@@ -209,6 +243,14 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		54AD90E42E30C48400160925 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				54AD90EA2E30C48400160925 /* Quartz.framework in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
@@ -315,6 +357,8 @@
 				54892F1D2235285700271CBA /* CHANGELOG.md */,
 				54ACC27E21061B3B0020715F /* baRSS */,
 				5483295E2A3CDB22000688B9 /* RSXML2.xcodeproj */,
+				54AD90EB2E30C48400160925 /* QLOPML */,
+				54AD90E82E30C48400160925 /* Frameworks */,
 				54ACC27D21061B3B0020715F /* Products */,
 			);
 			sourceTree = "<group>";
@@ -323,6 +367,7 @@
 			isa = PBXGroup;
 			children = (
 				54ACC27C21061B3B0020715F /* baRSS Beta.app */,
+				54AD90E72E30C48400160925 /* QLOPML.appex */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -367,6 +412,29 @@
 			path = "Feed Import";
 			sourceTree = "<group>";
 		};
+		54AD90E82E30C48400160925 /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				54AD90E92E30C48400160925 /* Quartz.framework */,
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
+		54AD90EB2E30C48400160925 /* QLOPML */ = {
+			isa = PBXGroup;
+			children = (
+				544F5A6F2E30EFC700674F81 /* opml-lib.h */,
+				544F5A702E30EFC700674F81 /* opml-lib.m */,
+				54AD90EC2E30C48400160925 /* PreviewViewController.h */,
+				54AD90ED2E30C48400160925 /* PreviewViewController.m */,
+				54AD90EF2E30C48400160925 /* PreviewViewController.xib */,
+				54AD90F22E30C48400160925 /* Info.plist */,
+				54AD90F32E30C48400160925 /* QLOPML.entitlements */,
+				544F5A722E30EFC700674F81 /* style.css */,
+			);
+			path = QLOPML;
+			sourceTree = "<group>";
+		};
 		54D857CF228022AB001BA1C8 /* General Tab */ = {
 			isa = PBXGroup;
 			children = (
@@ -455,16 +523,35 @@
 				54ACC27A21061B3B0020715F /* Resources */,
 				544DCCBB212A2B4D002DBC46 /* Embed Frameworks */,
 				54FB05D12305BFAB00A088AD /* dynamic app name in db migration */,
+				54AD90F62E30C48400160925 /* Embed App Extensions */,
 			);
 			buildRules = (
 			);
 			dependencies = (
+				54AD90F52E30C48400160925 /* PBXTargetDependency */,
 			);
 			name = baRSS;
 			productName = baRRS;
 			productReference = 54ACC27C21061B3B0020715F /* baRSS Beta.app */;
 			productType = "com.apple.product-type.application";
 		};
+		54AD90E62E30C48400160925 /* QLOPML */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 54AD90F82E30C48400160925 /* Build configuration list for PBXNativeTarget "QLOPML" */;
+			buildPhases = (
+				54AD90E32E30C48400160925 /* Sources */,
+				54AD90E42E30C48400160925 /* Frameworks */,
+				54AD90E52E30C48400160925 /* Resources */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = QLOPML;
+			productName = QLOPML;
+			productReference = 54AD90E72E30C48400160925 /* QLOPML.appex */;
+			productType = "com.apple.product-type.app-extension";
+		};
 /* End PBXNativeTarget section */
 
 /* Begin PBXProject section */
@@ -490,6 +577,9 @@
 							};
 						};
 					};
+					54AD90E62E30C48400160925 = {
+						CreatedOnToolsVersion = 12.4;
+					};
 				};
 			};
 			buildConfigurationList = 54ACC27721061B3B0020715F /* Build configuration list for PBXProject "baRSS" */;
@@ -512,6 +602,7 @@
 			projectRoot = "";
 			targets = (
 				54ACC27B21061B3B0020715F /* baRSS */,
+				54AD90E62E30C48400160925 /* QLOPML */,
 			);
 		};
 /* End PBXProject section */
@@ -544,6 +635,15 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		54AD90E52E30C48400160925 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				54AD90F12E30C48400160925 /* PreviewViewController.xib in Resources */,
+				544F5A752E30EFC700674F81 /* style.css in Resources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXResourcesBuildPhase section */
 
 /* Begin PBXShellScriptBuildPhase section */
@@ -625,8 +725,36 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		54AD90E32E30C48400160925 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				544F5A762E30EFC700674F81 /* opml-lib.m in Sources */,
+				54AD90EE2E30C48400160925 /* PreviewViewController.m in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXSourcesBuildPhase section */
 
+/* Begin PBXTargetDependency section */
+		54AD90F52E30C48400160925 /* PBXTargetDependency */ = {
+			isa = PBXTargetDependency;
+			target = 54AD90E62E30C48400160925 /* QLOPML */;
+			targetProxy = 54AD90F42E30C48400160925 /* PBXContainerItemProxy */;
+		};
+/* End PBXTargetDependency section */
+
+/* Begin PBXVariantGroup section */
+		54AD90EF2E30C48400160925 /* PreviewViewController.xib */ = {
+			isa = PBXVariantGroup;
+			children = (
+				54AD90F02E30C48400160925 /* Base */,
+			);
+			name = PreviewViewController.xib;
+			sourceTree = "<group>";
+		};
+/* End PBXVariantGroup section */
+
 /* Begin XCBuildConfiguration section */
 		54ACC28E21061B3C0020715F /* Debug */ = {
 			isa = XCBuildConfiguration;
@@ -791,7 +919,6 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = de.relikd.baRSS.beta;
 				PRODUCT_NAME = "$(TARGET_NAME) Beta";
-				PROVISIONING_PROFILE_SPECIFIER = "";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 			};
 			name = Debug;
@@ -842,7 +969,47 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = de.relikd.baRSS;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				PROVISIONING_PROFILE_SPECIFIER = "";
+			};
+			name = Release;
+		};
+		54AD90F92E30C48400160925 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_ENTITLEMENTS = QLOPML/QLOPML.entitlements;
+				ENABLE_HARDENED_RUNTIME = YES;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				INFOPLIST_FILE = QLOPML/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+					"@executable_path/../../../../Frameworks",
+				);
+				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
+				MTL_FAST_MATH = YES;
+				PRODUCT_BUNDLE_IDENTIFIER = de.relikd.baRSS.beta.QLOPML;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SKIP_INSTALL = YES;
+			};
+			name = Debug;
+		};
+		54AD90FA2E30C48400160925 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_ENTITLEMENTS = QLOPML/QLOPML.entitlements;
+				ENABLE_HARDENED_RUNTIME = YES;
+				INFOPLIST_FILE = QLOPML/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+					"@executable_path/../../../../Frameworks",
+				);
+				MTL_FAST_MATH = YES;
+				PRODUCT_BUNDLE_IDENTIFIER = de.relikd.baRSS.QLOPML;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SKIP_INSTALL = YES;
 			};
 			name = Release;
 		};
@@ -867,6 +1034,15 @@
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
+		54AD90F82E30C48400160925 /* Build configuration list for PBXNativeTarget "QLOPML" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				54AD90F92E30C48400160925 /* Debug */,
+				54AD90FA2E30C48400160925 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
 /* End XCConfigurationList section */
 
 /* Begin XCVersionGroup section */