Prettify file analysis IDs to be more like connection uids.

src/file_analysis/FileID.h

@@ -0,0 +1,32 @@
+#ifndef FILE_ANALYSIS_FILEID_H
+#define FILE_ANALYSIS_FILEID_H
+
+namespace file_analysis {
+
+/**
+ * A simple string wrapper class to help enforce some type safety between
+ * methods of FileAnalysis::Manager, some of which use a unique string to
+ * identify files, and others which use a pretty hash (the FileID) to identify
+ * files.  A FileID is primarily used in methods which interface with the
+ * script-layer, while the unique strings are used for methods which interface
+ * with protocol analyzers (to better accomodate the possibility that a file
+ * can be distributed over different connections and thus analyzer instances).
+ */
+struct FileID {
+	string id;
+
+	explicit FileID(const string arg_id) : id(arg_id) {}
+	FileID(const FileID& other) : id(other.id) {}
+
+	const char* c_str() const { return id.c_str(); }
+
+	bool operator==(const FileID& rhs) const { return id == rhs.id; }
+	bool operator<(const FileID& rhs) const { return id < rhs.id; }
+
+	FileID& operator=(const FileID& rhs) { id = rhs.id; return *this; }
+	FileID& operator=(const string& rhs) { id = rhs; return *this; }
+};
+
+} // namespace file_analysis
+
+#endif