Initial checkin. BPrivate::Storage::Mime::AssociatedTypes class, which

is responsible for managing associations between mime types and
file extensions.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1146 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/storage/mime/AssociatedTypes.h

@@ -0,0 +1,58 @@
+//----------------------------------------------------------------------
+//  This software is part of the OpenBeOS distribution and is covered 
+//  by the OpenBeOS license.
+//---------------------------------------------------------------------
+/*!
+	\file AssociatedTypes.h
+	AssociatedTypes class declarations
+*/
+
+#ifndef _MIME_ASSOCIATED_TYPES_H
+#define _MIME_ASSOCIATED_TYPES_H
+
+#include <SupportDefs.h>
+
+#include <map>
+#include <set>
+#include <string>
+
+class BMessage;
+class BString;
+
+namespace BPrivate {
+namespace Storage {
+namespace Mime {
+
+class AssociatedTypes {
+public:
+	AssociatedTypes();
+	~AssociatedTypes();
+		
+	status_t GetAssociatedTypes(const char *extension, BMessage *types);	
+	status_t GuessMimeType(const char *filename, BString *result);
+	status_t GuessMimeType(const entry_ref *ref, BString *result);
+
+	status_t SetFileExtensions(const char *type, const BMessage *extensions);
+	status_t DeleteFileExtensions(const char *type);
+	
+	void PrintToStream() const;	
+private:
+	status_t AddAssociatedType(const char *extension, const char *type);
+	status_t RemoveAssociatedType(const char *extension, const char *type);
+
+	status_t BuildAssociatedTypesTable();
+	
+	status_t ProcessType(const char *type);
+	std::string PrepExtension(const char *extension) const;
+
+	std::map<std::string, std::set<std::string> > fFileExtensions;	// mime type => set of associated file extensions
+	std::map<std::string, std::set<std::string> > fAssociatedTypes;	// file extension => set of associated mime types
+	
+	bool fHaveDoneFullBuild;
+};
+
+} // namespace Mime
+} // namespace Storage
+} // namespace BPrivate
+
+#endif	// _MIME_ASSOCIATED_TYPES_H