From a0088ccce1749dbef6503fbf489f7096d824c11d Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Wed, 5 Feb 2014 19:23:02 +0100
Subject: storage: add struct StoragePlugin and a plugin registry

---
 src/storage/plugins/LocalStorage.cxx     |  6 ++++++
 src/storage/plugins/LocalStorage.hxx     |  3 +++
 src/storage/plugins/SmbclientStorage.cxx | 13 +++++++++++--
 src/storage/plugins/SmbclientStorage.hxx |  6 ++----
 4 files changed, 22 insertions(+), 6 deletions(-)

(limited to 'src/storage/plugins')

diff --git a/src/storage/plugins/LocalStorage.cxx b/src/storage/plugins/LocalStorage.cxx
index 2bf430b2e..34d11569c 100644
--- a/src/storage/plugins/LocalStorage.cxx
+++ b/src/storage/plugins/LocalStorage.cxx
@@ -19,6 +19,7 @@
 
 #include "config.h"
 #include "LocalStorage.hxx"
+#include "storage/StoragePlugin.hxx"
 #include "storage/StorageInterface.hxx"
 #include "storage/FileInfo.hxx"
 #include "util/Error.hxx"
@@ -210,3 +211,8 @@ CreateLocalStorage(Path base_fs)
 {
 	return new LocalStorage(base_fs);
 }
+
+const StoragePlugin local_storage_plugin = {
+	"local",
+	nullptr,
+};
diff --git a/src/storage/plugins/LocalStorage.hxx b/src/storage/plugins/LocalStorage.hxx
index e80fd8276..7295d38e7 100644
--- a/src/storage/plugins/LocalStorage.hxx
+++ b/src/storage/plugins/LocalStorage.hxx
@@ -23,9 +23,12 @@
 #include "check.h"
 #include "Compiler.h"
 
+struct StoragePlugin;
 class Storage;
 class Path;
 
+extern const StoragePlugin local_storage_plugin;
+
 gcc_malloc gcc_nonnull_all
 Storage *
 CreateLocalStorage(Path base_fs);
diff --git a/src/storage/plugins/SmbclientStorage.cxx b/src/storage/plugins/SmbclientStorage.cxx
index 6d61ab75e..a73c8d65c 100644
--- a/src/storage/plugins/SmbclientStorage.cxx
+++ b/src/storage/plugins/SmbclientStorage.cxx
@@ -19,6 +19,7 @@
 
 #include "config.h"
 #include "SmbclientStorage.hxx"
+#include "storage/StoragePlugin.hxx"
 #include "storage/StorageInterface.hxx"
 #include "storage/FileInfo.hxx"
 #include "lib/smbclient/Init.hxx"
@@ -178,9 +179,12 @@ SmbclientDirectoryReader::GetInfo(gcc_unused bool follow, FileInfo &info,
 	return ::GetInfo(path.c_str(), info, error);
 }
 
-Storage *
-CreateSmbclientStorage(const char *base, Error &error)
+static Storage *
+CreateSmbclientStorageURI(const char *base, Error &error)
 {
+	if (memcmp(base, "smb://", 6) != 0)
+		return nullptr;
+
 	if (!SmbclientInit(error))
 		return nullptr;
 
@@ -200,3 +204,8 @@ CreateSmbclientStorage(const char *base, Error &error)
 
 	return new SmbclientStorage(base, ctx2);
 }
+
+const StoragePlugin smbclient_storage_plugin = {
+	"smbclient",
+	CreateSmbclientStorageURI,
+};
diff --git a/src/storage/plugins/SmbclientStorage.hxx b/src/storage/plugins/SmbclientStorage.hxx
index 3a77ebf1d..7c198d920 100644
--- a/src/storage/plugins/SmbclientStorage.hxx
+++ b/src/storage/plugins/SmbclientStorage.hxx
@@ -22,10 +22,8 @@
 
 #include "check.h"
 
-class Error;
-class Storage;
+struct StoragePlugin;
 
-Storage *
-CreateSmbclientStorage(const char *base, Error &error);
+extern const StoragePlugin smbclient_storage_plugin;
 
 #endif
-- 
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