2 files changed, 0 insertions, 92 deletions

diff --git a/core/qthelper.cpp b/core/qthelper.cpp
index c58811c14..a6125526b 100644
--- a/core/qthelper.cpp
+++ b/core/qthelper.cpp
@@ -1217,97 +1217,6 @@ QStringList imageExtensionFilters() {
 	return filters;
 }
 
-// Compare two full paths and return the number of matching levels, starting from the filename.
-// String comparison is case-insensitive.
-static int matchFilename(const QString &path1, const QString &path2)
-{
-	QFileInfo f1(path1);
-	QFileInfo f2(path2);
-
-	int score = 0;
-	for (;;) {
-		QString fn1 = f1.fileName();
-		QString fn2 = f2.fileName();
-		if (fn1.isEmpty() || fn2.isEmpty())
-			break;
-		if (fn1 == ".") {
-			f1 = QFileInfo(f1.path());
-			continue;
-		}
-		if (fn2 == ".") {
-			f2 = QFileInfo(f2.path());
-			continue;
-		}
-		if (QString::compare(fn1, fn2, Qt::CaseInsensitive) != 0)
-			break;
-		f1 = QFileInfo(f1.path());
-		f2 = QFileInfo(f2.path());
-		++score;
-	}
-	return score;
-}
-
-struct ImageMatch {
-	QString localFilename;
-	int score;
-};
-
-static void learnImage(const QString &filename, QMap<QString, ImageMatch> &matches, const QVector<QString> &imageFilenames)
-{
-	// Find the original filenames with the highest match-score
-	QStringList newMatches;
-	int bestScore = 1;
-
-	for (const QString &originalFilename: imageFilenames) {
-		int score = matchFilename(filename, originalFilename);
-		if (score < bestScore)
-			continue;
-		if (score > bestScore)
-			newMatches.clear();
-		newMatches.append(originalFilename);
-		bestScore = score;
-	}
-
-	// Add the new original filenames to the list of matches, if the score is higher than previously
-	for (const QString &originalFilename: newMatches) {
-		auto it = matches.find(originalFilename);
-		if (it == matches.end())
-			matches.insert(originalFilename, { filename, bestScore });
-		else if (it->score < bestScore)
-			*it = { filename, bestScore };
-	}
-}
-
-void learnImages(const QStringList &dirNames, int max_recursions, const QVector<QString> &imageFilenames)
-{
-	QStringList filters = imageExtensionFilters();
-	QMap<QString, ImageMatch> matches;
-
-	QVector<QStringList> stack; // Use a stack to recurse into directories
-	stack.reserve(max_recursions + 1);
-	stack.append(dirNames);
-	while (!stack.isEmpty()) {
-		if (stack.last().isEmpty()) {
-			stack.removeLast();
-			continue;
-		}
-		QDir dir(stack.last().takeLast());
-
-		for (const QString &file: dir.entryList(filters, QDir::Files))
-			learnImage(dir.absoluteFilePath(file), matches, imageFilenames);
-		if (stack.size() <= max_recursions) {
-			stack.append(QStringList());
-			for (const QString &dirname: dir.entryList(QStringList(), QDir::NoDotAndDotDot | QDir::Dirs))
-				stack.last().append(dir.filePath(dirname));
-		}
-	}
-
-	for (auto it = matches.begin(); it != matches.end(); ++it)
-		learnPictureFilename(it.key(), it->localFilename);
-
-	write_hashes();
-}
-
 extern "C" const char *local_file_path(struct picture *picture)
 {
 	return copy_qstring(localFilePath(picture->filename));
diff --git a/core/qthelper.h b/core/qthelper.h
index b20763a3c..2bd933e0f 100644
--- a/core/qthelper.h
+++ b/core/qthelper.h
@@ -28,7 +28,6 @@ QString get_taglist_string(struct tag_entry *tag_list);
 void read_hashes();
 void write_hashes();
 QString thumbnailFileName(const QString &filename);
-void learnImages(const QStringList &dirNames, int max_recursions, const QVector<QString> &imageFilenames);
 void learnPictureFilename(const QString &originalName, const QString &localName);
 QString localFilePath(const QString &originalFilename);
 weight_t string_to_weight(const char *str);