New MIME Sniffer files

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@529 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/storage/sniffer/Expr.h

@@ -0,0 +1,25 @@
+//----------------------------------------------------------------------
+//  This software is part of the OpenBeOS distribution and is covered 
+//  by the OpenBeOS license.
+//---------------------------------------------------------------------
+/*!
+	\file sniffer/Expr.h
+	Mime Sniffer Expression declarations
+*/
+#ifndef _sk_sniffer_expr_h_
+#define _sk_sniffer_expr_h_
+
+namespace Sniffer {
+
+class BFile;
+
+//! Abstract class definining an interface for sniffing BFile objects
+class Expr {
+public:
+	virtual ~Expr() {}
+	virtual bool Sniff(BFile *file) = 0;
+};
+
+}
+
+#endif	// _sk_sniffer_expr_h_

headers/private/storage/sniffer/Range.h

@@ -0,0 +1,31 @@
+//----------------------------------------------------------------------
+//  This software is part of the OpenBeOS distribution and is covered 
+//  by the OpenBeOS license.
+//---------------------------------------------------------------------
+/*!
+	\file sniffer/Range.h
+	MIME sniffer range declarations
+*/
+#ifndef _sk_sniffer_range_h_
+#define _sk_sniffer_range_h_
+
+#include <SupportDefs.h>
+
+namespace Sniffer {
+
+class Range {
+public:
+	Range(int32 start, int32 end);
+
+	int32 Start() const;
+	int32 End() const;
+	
+	void SetTo(int32 start, int32 end);
+private:
+	int32 fStart;
+	int32 fEnd;
+};
+
+}
+
+#endif	// _sk_sniffer_range_h_