Foundation of VFS capabilities

1 files changed, 11 insertions, 2 deletions

diff --git a/vfs/UVFSCore.pas b/vfs/UVFSCore.pas
index 3e14618..cf3e36a 100644
--- a/vfs/UVFSCore.pas
+++ b/vfs/UVFSCore.pas
@@ -68,6 +68,7 @@ type
     FVFSResetPassword: TVFSResetPassword;
     FVFSStartCopyOperation: TVFSStartCopyOperation;
     FVFSStopCopyOperation: TVFSStopCopyOperation;
+    FVFSGetCapabilities: TVFSGetCapabilities;
     function GetHandlesArchives: boolean;
     function GetHandlesNetwork: boolean;
   public
@@ -98,6 +99,7 @@ type
     FArchivePath: string;
     function GetPluginID: string;
     function GetDataItemFromVFSItem(P: PVFSItem): PDataItem;
+    function GetArchiveStreamingType: boolean;
   public
     Password: string;
     PasswordUsed: boolean;
@@ -160,11 +162,10 @@ type
     function CopyFileInEx(Sender: Pointer; const SourceFile, DestFile: string; ErrorFunc: TEngineErrorFunc; Append: boolean): boolean;
     function CopyFileOutEx(Sender: Pointer; const SourceFile, DestFile: string; ErrorFunc: TEngineErrorFunc; Append: boolean): boolean;
   published
-    property Path: string read GetPath write SetPath;
-    property BlockSize: Cardinal read GetBlockSize write SetBlockSize;
     property PluginID: string read GetPluginID;
     property ArchiveMode: boolean read FArchiveMode;
     property ArchivePath: string read FArchivePath;
+    property ArchiveStreamingType: boolean read GetArchiveStreamingType;
   end;
 
 
@@ -246,6 +247,7 @@ begin
   @FVFSResetPassword := dlsym(ModuleHandle, 'VFSResetPassword');
   @FVFSStartCopyOperation := dlsym(ModuleHandle, 'VFSStartCopyOperation');
   @FVFSStopCopyOperation := dlsym(ModuleHandle, 'VFSStopCopyOperation');
+  @FVFSGetCapabilities := dlsym(ModuleHandle, 'VFSGetCapabilities');
 
   //  Initialize the extensions list
   SetLength(Extensions, 0);
@@ -917,6 +919,13 @@ begin
                           else Result := '';
 end;
 
+function TVFSEngine.GetArchiveStreamingType: boolean;
+begin
+  Result := False;
+  if (@FSourcePlugin.FVFSGetCapabilities <> nil) then
+    Result := (FSourcePlugin.FVFSGetCapabilities() and VFS_CAP_ARCHIVE_STREAMING) = VFS_CAP_ARCHIVE_STREAMING;
+end;
+
 (********************************************************************************************************************************)
 (********************************************************************************************************************************)
 function GetBinaryPath: string;