Reorganizing file analysis source code.

src/file_analysis/Action.h

@@ -0,0 +1,49 @@
+#ifndef FILE_ANALYSIS_ACTION_H
+#define FILE_ANALYSIS_ACTION_H
+
+#include "Val.h"
+
+namespace file_analysis {
+
+class Info;
+
+/**
+ * Base class for actions that can be attached to a file_analysis::Info object.
+ */
+class Action {
+public:
+
+	virtual ~Action() {}
+
+	/**
+	 * Subclasses may override this to receive file data non-sequentially.
+	 */
+	virtual void DeliverChunk(const u_char* data, uint64 len, uint64 offset) {}
+
+	/**
+	 * Subclasses may override this to receive file sequentially.
+	 */
+	virtual void DeliverStream(const u_char* data, uint64 len) {}
+
+	/**
+	 * Subclasses may override this to specifically handle the end of a file.
+	 */
+	virtual void EndOfFile() {}
+
+	/**
+	 * Subclasses may override this to handle missing data in a file stream.
+	 */
+	virtual void Undelivered(uint64 offset, uint64 len) {}
+
+protected:
+
+	Action(Info* arg_info) {}
+
+	Info* info;
+};
+
+typedef Action* (*ActionInstantiator)(const RecordVal* args, Info* info);
+
+} // namespace file_analysis
+
+#endif