Proper qlmanage debugging + dark mode with media query instead of NSAppearance

QLOPML.xcodeproj/project.pbxproj

@@ -8,18 +8,23 @@
 
 /* Begin PBXBuildFile section */
 		540A649C22EE78B200470937 /* GenerateThumbnailForURL.c in Sources */ = {isa = PBXBuildFile; fileRef = 540A649B22EE78B200470937 /* GenerateThumbnailForURL.c */; };
-		540A649E22EE78B200470937 /* GeneratePreviewForURL.m in Sources */ = {isa = PBXBuildFile; fileRef = 540A649D22EE78B200470937 /* GeneratePreviewForURL.m */; };
+		540A649E22EE78B200470937 /* GeneratePreviewForURL.c in Sources */ = {isa = PBXBuildFile; fileRef = 540A649D22EE78B200470937 /* GeneratePreviewForURL.c */; };
 		540A64A022EE78B200470937 /* main.c in Sources */ = {isa = PBXBuildFile; fileRef = 540A649F22EE78B200470937 /* main.c */; };
 		541EF8B322EEFBEA00C415AA /* style.css in Resources */ = {isa = PBXBuildFile; fileRef = 541EF8B122EEFB2300C415AA /* style.css */; };
+		54BFFC1123D09E7300012FBB /* opml-lib.h in Headers */ = {isa = PBXBuildFile; fileRef = 54BFFC0F23D09E7300012FBB /* opml-lib.h */; };
+		54BFFC1223D09E7300012FBB /* opml-lib.m in Sources */ = {isa = PBXBuildFile; fileRef = 54BFFC1023D09E7300012FBB /* opml-lib.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
 		540A649822EE78B200470937 /* QLOPML.qlgenerator */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = QLOPML.qlgenerator; sourceTree = BUILT_PRODUCTS_DIR; };
 		540A649B22EE78B200470937 /* GenerateThumbnailForURL.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = GenerateThumbnailForURL.c; sourceTree = "<group>"; };
-		540A649D22EE78B200470937 /* GeneratePreviewForURL.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = GeneratePreviewForURL.m; sourceTree = "<group>"; };
+		540A649D22EE78B200470937 /* GeneratePreviewForURL.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = GeneratePreviewForURL.c; sourceTree = "<group>"; };
 		540A649F22EE78B200470937 /* main.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = main.c; sourceTree = "<group>"; };
 		540A64A122EE78B200470937 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		541EF8B122EEFB2300C415AA /* style.css */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.css; path = style.css; sourceTree = "<group>"; };
+		54BFFC0423D0988A00012FBB /* sample.opml */ = {isa = PBXFileReference; lastKnownFileType = file; path = sample.opml; sourceTree = SOURCE_ROOT; };
+		54BFFC0F23D09E7300012FBB /* opml-lib.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "opml-lib.h"; sourceTree = "<group>"; };
+		54BFFC1023D09E7300012FBB /* opml-lib.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = "opml-lib.m"; sourceTree = "<group>"; };
 		54FB05D22305C8F400A088AD /* QLOPML.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = QLOPML.entitlements; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
@@ -54,11 +59,14 @@
 			isa = PBXGroup;
 			children = (
 				54FB05D22305C8F400A088AD /* QLOPML.entitlements */,
+				54BFFC0F23D09E7300012FBB /* opml-lib.h */,
+				54BFFC1023D09E7300012FBB /* opml-lib.m */,
 				540A649B22EE78B200470937 /* GenerateThumbnailForURL.c */,
-				540A649D22EE78B200470937 /* GeneratePreviewForURL.m */,
+				540A649D22EE78B200470937 /* GeneratePreviewForURL.c */,
 				540A649F22EE78B200470937 /* main.c */,
 				540A64A122EE78B200470937 /* Info.plist */,
 				541EF8B122EEFB2300C415AA /* style.css */,
+				54BFFC0423D0988A00012FBB /* sample.opml */,
 			);
 			path = QLOPML;
 			sourceTree = "<group>";
@@ -70,6 +78,7 @@
 			isa = PBXHeadersBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				54BFFC1123D09E7300012FBB /* opml-lib.h in Headers */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -150,7 +159,8 @@
 			buildActionMask = 2147483647;
 			files = (
 				540A649C22EE78B200470937 /* GenerateThumbnailForURL.c in Sources */,
-				540A649E22EE78B200470937 /* GeneratePreviewForURL.m in Sources */,
+				54BFFC1223D09E7300012FBB /* opml-lib.m in Sources */,
+				540A649E22EE78B200470937 /* GeneratePreviewForURL.c in Sources */,
 				540A64A022EE78B200470937 /* main.c in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -281,7 +291,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				INFOPLIST_FILE = QLOPML/Info.plist;
-				INSTALL_PATH = /Library/QuickLook;
 				PRODUCT_BUNDLE_IDENTIFIER = de.relikd.QLOPML;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				WRAPPER_EXTENSION = qlgenerator;
@@ -292,7 +301,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				INFOPLIST_FILE = QLOPML/Info.plist;
-				INSTALL_PATH = /Library/QuickLook;
 				PRODUCT_BUNDLE_IDENTIFIER = de.relikd.QLOPML;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				WRAPPER_EXTENSION = qlgenerator;

QLOPML.xcodeproj/xcshareddata/xcschemes/QLOPML.xcscheme

@@ -29,8 +29,6 @@
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -42,6 +40,10 @@
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
       allowLocationSimulation = "YES">
+      <PathRunnable
+         runnableDebuggingMode = "0"
+         FilePath = "/usr/bin/qlmanage">
+      </PathRunnable>
       <MacroExpansion>
          <BuildableReference
             BuildableIdentifier = "primary"
@@ -51,8 +53,24 @@
             ReferencedContainer = "container:QLOPML.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
+      <CommandLineArguments>
-      </AdditionalOptions>
+         <CommandLineArgument
+            argument = "-g &apos;${TARGET_BUILD_DIR}/${WRAPPER_NAME}&apos; -c &apos;org.opml.ompl&apos;"
+            isEnabled = "YES">
+         </CommandLineArgument>
+         <CommandLineArgument
+            argument = "-p &apos;${PROJECT_DIR}/sample.opml&apos;"
+            isEnabled = "YES">
+         </CommandLineArgument>
+         <CommandLineArgument
+            argument = "-t &apos;${PROJECT_DIR}/sample.opml&apos; -s 512"
+            isEnabled = "NO">
+         </CommandLineArgument>
+         <CommandLineArgument
+            argument = "-o &quot;$HOME/Downloads&quot;"
+            isEnabled = "NO">
+         </CommandLineArgument>
+      </CommandLineArguments>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

QLOPML/GeneratePreviewForURL.c

@@ -0,0 +1,30 @@
+#include <CoreFoundation/CoreFoundation.h>
+#include <CoreServices/CoreServices.h>
+#include <QuickLook/QuickLook.h>
+#include "opml-lib.h"
+
+OSStatus GeneratePreviewForURL(void *thisInterface, QLPreviewRequestRef preview, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options);
+void CancelPreviewGeneration(void *thisInterface, QLPreviewRequestRef preview);
+
+/* -----------------------------------------------------------------------------
+   Generate a preview for file
+
+   This function's job is to create preview for designated file
+   ----------------------------------------------------------------------------- */
+
+OSStatus GeneratePreviewForURL(void *thisInterface, QLPreviewRequestRef preview, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options)
+{
+	// qlmanage -r && qlmanage -p test.opml -o tmp/ && edit tmp/test.opml.qlpreview/Preview.html
+	CFBundleRef bundle = QLPreviewRequestGetGeneratorBundle(preview);
+	CFDataRef data = renderOPML(url, bundle);
+	if (data) {
+		QLPreviewRequestSetDataRepresentation(preview, data, kUTTypeHTML, NULL);
+		CFRelease(data);
+	}
+    return noErr;
+}
+
+void CancelPreviewGeneration(void *thisInterface, QLPreviewRequestRef preview)
+{
+    // Implement only if supported
+}

QLOPML/opml-lib.h

@@ -0,0 +1,6 @@
+#ifndef opml_lib_h
+#define opml_lib_h
+
+CFDataRef renderOPML(CFURLRef url, CFBundleRef bundle);
+
+#endif /* opml_lib_h */

QLOPML/opml-lib.m

@@ -1,36 +1,8 @@
-#include <CoreFoundation/CoreFoundation.h>
+//#import <CoreFoundation/CoreFoundation.h>
-#include <CoreServices/CoreServices.h>
+//#import <CoreServices/CoreServices.h>
-#include <QuickLook/QuickLook.h>
+//#import <QuickLook/QuickLook.h>
-#include <Foundation/Foundation.h>
+#import <Foundation/Foundation.h>
-#include <AppKit/AppKit.h>
+#import <AppKit/AppKit.h>
-
-NSData* renderOPML(NSURL* url, CFBundleRef bundle);
-
-OSStatus GeneratePreviewForURL(void *thisInterface, QLPreviewRequestRef preview, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options);
-void CancelPreviewGeneration(void *thisInterface, QLPreviewRequestRef preview);
-
-/* -----------------------------------------------------------------------------
-   Generate a preview for file
-
-   This function's job is to create preview for designated file
-   ----------------------------------------------------------------------------- */
-
-OSStatus GeneratePreviewForURL(void *thisInterface, QLPreviewRequestRef preview, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options)
-{
-	// qlmanage -r && qlmanage -p test.opml -o tmp/ && edit tmp/test.opml.qlpreview/Preview.html
-	CFBundleRef bundle = QLPreviewRequestGetGeneratorBundle(preview);
-	CFDataRef data = CFBridgingRetain(renderOPML((__bridge NSURL*)url, bundle));
-	if (data) {
-		QLPreviewRequestSetDataRepresentation(preview, data, kUTTypeHTML, NULL);
-	}
-    return noErr;
-}
-
-void CancelPreviewGeneration(void *thisInterface, QLPreviewRequestRef preview)
-{
-    // Implement only if supported
-}
-
 
 //  ---------------------------------------------------------------
 // |
@@ -52,7 +24,7 @@ void attribute(NSXMLElement *parent, NSString *key, NSString *value) {
 NSXMLElement* section(NSString *title, NSString *container, NSXMLElement *parent) {
 	make(@"h3", title, parent);
 	NSXMLElement *div = make(container, nil, parent);
-	attribute(div, @"class", @"first");
+	attribute(div, @"class", @"section");
 	return div;
 }
 
@@ -94,9 +66,9 @@ void appendNode(NSXMLElement *child, NSXMLElement *parent) {
 	}
 }
 
-NSData* renderOPML(NSURL* url, CFBundleRef bundle) {
+CFDataRef renderOPML(CFURLRef url, CFBundleRef bundle) {
 	NSError *err;
-	NSXMLDocument *doc = [[NSXMLDocument alloc] initWithContentsOfURL:url options:0 error:&err];
+	NSXMLDocument *doc = [[NSXMLDocument alloc] initWithContentsOfURL:(__bridge NSURL*)url options:0 error:&err];
 	if (err || !doc) {
 		printf("ERROR: %s\n", err.description.UTF8String);
 		return nil;
@@ -112,16 +84,9 @@ NSData* renderOPML(NSURL* url, CFBundleRef bundle) {
 	
 	NSXMLElement *body = make(@"body", nil, html);
 	
-	NSString *appearance = @"light";
-	if (@available(macOS 10.14, *)) {
-		if ([NSAppearance.currentAppearance.name isEqualToString:NSAppearanceNameDarkAqua])
-			appearance = @"dark";
-	}
-	attribute(body, @"class", appearance);
-	
 	for (NSXMLElement *child in doc.children) {
 		appendNode(child, body);
 	}
 	NSXMLDocument *xml = [NSXMLDocument documentWithRootElement:html];
-	return [xml XMLDataWithOptions:NSXMLNodePrettyPrint | NSXMLNodeCompactEmptyElement];
+	return CFBridgingRetain([xml XMLDataWithOptions:NSXMLNodePrettyPrint | NSXMLNodeCompactEmptyElement]);
 }

QLOPML/style.css

@@ -1,11 +1,12 @@
 
 * { font-family: Courier; }
-body { padding: 30px; }
+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; }
-.light { background-color: #AAA; color: black; }
+.section { padding: 1em 1.5em; border-radius: 7px; background-color: #EEE; }
-.dark  { background-color: #555; color: white; }
+
-.first { padding: 1em 1.5em; border-radius: 7px; }
+@media (prefers-color-scheme: dark) {
-.light .first { background-color: #EEE; }
+body { background-color: #555; color: white; }
-.dark  .first { background-color: #222; }
+.section { background-color: #222; }
+}

sample.opml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<opml version="1.0">
+    <head>
+        <title>Sample OPML file for RSSReader</title>
+    </head>
+    <body>
+        <outline title="News" text="News">
+            <outline text="Big News Finland" title="Big News Finland" type="rss" xmlUrl="http://www.bignewsnetwork.com/?rss=37e8860164ce009a"/>
+            <outline text="Euronews" title="Euronews" type="rss" xmlUrl="http://feeds.feedburner.com/euronews/en/news/"/>
+            <outline text="Reuters Top News" title="Reuters Top News" type="rss" xmlUrl="http://feeds.reuters.com/reuters/topNews"/>
+            <outline text="Yahoo Europe" title="Yahoo Europe" type="rss" xmlUrl="http://rss.news.yahoo.com/rss/europe"/>
+        </outline>
+
+        <outline title="Leisure" text="Leisure">
+            <outline text="CNN Entertainment" title="CNN Entertainment" type="rss" xmlUrl="http://rss.cnn.com/rss/edition_entertainment.rss"/>
+            <outline text="E! News" title="E! News" type="rss" xmlUrl="http://uk.eonline.com/syndication/feeds/rssfeeds/topstories.xml"/>
+            <outline text="Hollywood Reporter" title="Hollywood Reporter" type="rss" xmlUrl="http://feeds.feedburner.com/thr/news"/>
+            <outline text="Reuters Entertainment" title="Reuters Entertainment" type="rss"  xmlUrl="http://feeds.reuters.com/reuters/entertainment"/>
+            <outline text="Reuters Music News" title="Reuters Music News" type="rss" xmlUrl="http://feeds.reuters.com/reuters/musicNews"/>
+            <outline text="Yahoo Entertainment" title="Yahoo Entertainment" type="rss" xmlUrl="http://rss.news.yahoo.com/rss/entertainment"/>
+        </outline>
+
+        <outline title="Sports" text="Sports">
+            <outline text="Formula 1" title="Formula 1" type="rss" xmlUrl="http://www.formula1.com/rss/news/latest.rss"/>
+            <outline text="MotoGP" title="MotoGP" type="rss" xmlUrl="http://rss.crash.net/crash_motogp.xml"/>
+            <outline text="N.Y.Times Track And Field" title="N.Y.Times Track And Field" type="rss" xmlUrl="http://topics.nytimes.com/topics/reference/timestopics/subjects/t/track_and_field/index.html?rss=1"/>
+            <outline text="Reuters Sports" title="Reuters Sports" type="rss" xmlUrl="http://feeds.reuters.com/reuters/sportsNews"/>
+            <outline text="Yahoo Sports NHL" title="Yahoo Sports NHL" type="rss" xmlUrl="http://sports.yahoo.com/nhl/rss.xml"/>
+            <outline text="Yahoo Sports" title="Yahoo Sports" type="rss" xmlUrl="http://rss.news.yahoo.com/rss/sports"/>
+        </outline>
+
+        <outline title="Tech" text="Tech">
+            <outline text="Coding Horror" title="Coding Horror" type="rss" xmlUrl="http://feeds.feedburner.com/codinghorror/"/>
+            <outline text="Gadget Lab" title="Gadget Lab" type="rss" xmlUrl="http://www.wired.com/gadgetlab/feed/"/>
+            <outline text="Gizmodo" title="Gizmodo" type="rss" xmlUrl="http://gizmodo.com/index.xml"/>
+            <outline text="Reuters Technology" title="Reuters Technology" type="rss" xmlUrl="http://feeds.reuters.com/reuters/technologyNews"/>
+        </outline>
+    </body>
+</opml>