[jnimarshalmethod-gen] Add -p|--profile option

The new option allows to specify which types are processed by a
*profile* with the list of types (regex patterns) to process.

It is similar to specify multiple `-t` options.

Author: radekdoulik

tools/jnimarshalmethod-gen/App.cs

@@ -93,6 +93,9 @@ List<string> ProcessArguments (string [] args)
 				{ "h|help|?",
 				  "Show this message and exit",
 				  v => help = v != null },
+				{ "p|profile=",
+					"Generate marshaling methods only for types whose names match regex patterns listed in the {PROFILE} file. One pattern per line. Empty lines and lines starting with '#' character are ignored (comments).",
+				  v => LoadProfile (v) },
 				{ "t|type=",
 				  "Generate marshaling methods only for types whose names match {TYPE-REGEX}.",
 				  v => typeNameRegexes.Add (new Regex (v)) },
@@ -116,6 +119,24 @@ List<string> ProcessArguments (string [] args)
 			return assemblies;
 		}
 
+		void LoadProfile (string profilePath)
+		{
+			try {
+				foreach (var line in File.ReadLines (profilePath)) {
+					if (string.IsNullOrWhiteSpace (line))
+						continue;
+
+					if (line [0] == '#')
+						continue;
+
+					typeNameRegexes.Add (new Regex (line));
+				}
+			} catch (Exception e) {
+				Error ($"Unable to read profile '{profilePath}'.\n{e}");
+				Environment.Exit (4);
+			}
+		}
+
 		void ProcessAssemblies (List<string> assemblies)
 		{
 			CreateJavaVM (jvmDllPath);