fs/Path: add method GetSuffix()

Type-safe wrapper for uri_get_suffix().

src/TagFile.cxx

@@ -87,7 +87,7 @@ tag_file_scan(Path path_fs, const tag_handler &handler, void *handler_ctx)
 
 	/* check if there's a suffix and a plugin */
 
-	const char *suffix = uri_get_suffix(path_fs.c_str());
+	const char *suffix = path_fs.GetSuffix();
 	if (suffix == nullptr)
 		return false;
 

src/fs/Path.cxx

@@ -20,9 +20,16 @@
 #include "config.h"
 #include "Path.hxx"
 #include "Charset.hxx"
+#include "util/UriUtil.hxx"
 
 std::string
 Path::ToUTF8() const
 {
 	return ::PathToUTF8(c_str());
 }
+
+const char *
+Path::GetSuffix() const
+{
+	return uri_get_suffix(c_str());
+}

src/fs/Path.hxx

@@ -161,6 +161,9 @@ public:
 	bool IsAbsolute() const {
 		return PathTraitsFS::IsAbsolute(c_str());
 	}
+
+	gcc_pure
+	const char *GetSuffix() const;
 };
 
 #endif

src/playlist/PlaylistStream.cxx

@@ -35,7 +35,7 @@ playlist_open_path_suffix(Path path, Mutex &mutex, Cond &cond)
 {
 	assert(!path.IsNull());
 
-	const char *suffix = uri_get_suffix(path.c_str());
+	const char *suffix = path.GetSuffix();
 	if (suffix == nullptr || !playlist_suffix_supported(suffix))
 		return nullptr;